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-rw-r--r--sysdeps/s390/Dist2
-rw-r--r--sysdeps/s390/Implies4
-rw-r--r--sysdeps/s390/Makefile11
-rw-r--r--sysdeps/s390/__longjmp.c43
-rw-r--r--sysdeps/s390/abort-instr.h2
-rw-r--r--sysdeps/s390/add_n.S63
-rw-r--r--sysdeps/s390/addmul_1.S58
-rw-r--r--sysdeps/s390/asm-syntax.h42
-rw-r--r--sysdeps/s390/atomicity.h74
-rw-r--r--sysdeps/s390/backtrace.c81
-rw-r--r--sysdeps/s390/bcopy.S69
-rw-r--r--sysdeps/s390/bits/byteswap.h86
-rw-r--r--sysdeps/s390/bits/endian.h7
-rw-r--r--sysdeps/s390/bits/huge_val.h73
-rw-r--r--sysdeps/s390/bits/setjmp.h52
-rw-r--r--sysdeps/s390/bits/string.h140
-rw-r--r--sysdeps/s390/bsd-_setjmp.S46
-rw-r--r--sysdeps/s390/bsd-setjmp.S46
-rw-r--r--sysdeps/s390/bzero.S43
-rw-r--r--sysdeps/s390/dl-machine.h464
-rw-r--r--sysdeps/s390/elf/bsd-_setjmp.S1
-rw-r--r--sysdeps/s390/elf/bsd-setjmp.S1
-rw-r--r--sysdeps/s390/elf/setjmp.S58
-rw-r--r--sysdeps/s390/elf/start.S95
-rw-r--r--sysdeps/s390/ffs.c68
-rw-r--r--sysdeps/s390/fpu/bits/fenv.h90
-rw-r--r--sysdeps/s390/fpu/fclrexcpt.c40
-rw-r--r--sysdeps/s390/fpu/fegetround.c35
-rw-r--r--sysdeps/s390/fpu/fesetround.c37
-rw-r--r--sysdeps/s390/fpu/fgetexcptflg.c46
-rw-r--r--sysdeps/s390/fpu/fpu_control.h47
-rw-r--r--sysdeps/s390/gmp-mparam.h29
-rw-r--r--sysdeps/s390/ldbl2mpn.c101
-rw-r--r--sysdeps/s390/machine-gmon.h36
-rw-r--r--sysdeps/s390/memchr.S40
-rw-r--r--sysdeps/s390/memcpy.S41
-rw-r--r--sysdeps/s390/memset.S43
-rw-r--r--sysdeps/s390/memusage.h21
-rw-r--r--sysdeps/s390/mul_1.S55
-rw-r--r--sysdeps/s390/s390-mcount.S84
-rw-r--r--sysdeps/s390/setjmp.S55
-rw-r--r--sysdeps/s390/stackinfo.h28
-rw-r--r--sysdeps/s390/strcpy.S36
-rw-r--r--sysdeps/s390/strncpy.S79
-rw-r--r--sysdeps/s390/sub_n.S62
-rw-r--r--sysdeps/s390/sys/ucontext.h95
-rw-r--r--sysdeps/s390/sysdep.h121
-rw-r--r--sysdeps/unix/sysv/linux/s390/Dist9
-rw-r--r--sysdeps/unix/sysv/linux/s390/Makefile4
-rw-r--r--sysdeps/unix/sysv/linux/s390/bits/fcntl.h151
-rw-r--r--sysdeps/unix/sysv/linux/s390/bits/mman.h93
-rw-r--r--sysdeps/unix/sysv/linux/s390/bits/resource.h205
-rw-r--r--sysdeps/unix/sysv/linux/s390/bits/time.h79
-rw-r--r--sysdeps/unix/sysv/linux/s390/brk.c57
-rw-r--r--sysdeps/unix/sysv/linux/s390/clone.S66
-rw-r--r--sysdeps/unix/sysv/linux/s390/fchown.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/getegid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/geteuid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/getgid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/getgroups.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/getmsg.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/getpmsg.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/getresgid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/getresuid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/getuid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/mmap.S60
-rw-r--r--sysdeps/unix/sysv/linux/s390/msgctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/profil-counter.h27
-rw-r--r--sysdeps/unix/sysv/linux/s390/putmsg.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/putpmsg.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/register-dump.h130
-rw-r--r--sysdeps/unix/sysv/linux/s390/semctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/setegid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/seteuid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/setfsgid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/setfsuid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/setgid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/setgroups.c2
-rw-r--r--sysdeps/unix/sysv/linux/s390/setregid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/setresgid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/setresuid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/setreuid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/setuid.c2
-rw-r--r--sysdeps/unix/sysv/linux/s390/shmctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/sigcontextinfo.h26
-rw-r--r--sysdeps/unix/sysv/linux/s390/socket.S98
-rw-r--r--sysdeps/unix/sysv/linux/s390/sys/elf.h28
-rw-r--r--sysdeps/unix/sysv/linux/s390/sys/ptrace.h138
-rw-r--r--sysdeps/unix/sysv/linux/s390/sys/ucontext.h96
-rw-r--r--sysdeps/unix/sysv/linux/s390/sys/user.h24
-rw-r--r--sysdeps/unix/sysv/linux/s390/syscall.S51
-rw-r--r--sysdeps/unix/sysv/linux/s390/sysdep.S104
-rw-r--r--sysdeps/unix/sysv/linux/s390/sysdep.h212
93 files changed, 4536 insertions, 0 deletions
diff --git a/sysdeps/s390/Dist b/sysdeps/s390/Dist
new file mode 100644
index 0000000000..49292153c4
--- /dev/null
+++ b/sysdeps/s390/Dist
@@ -0,0 +1,2 @@
+s390-mcount.S
+machine-gmon.h
diff --git a/sysdeps/s390/Implies b/sysdeps/s390/Implies
new file mode 100644
index 0000000000..71bec4de0c
--- /dev/null
+++ b/sysdeps/s390/Implies
@@ -0,0 +1,4 @@
+wordsize-32
+ieee754
+ieee754/dbl-64
+ieee754/flt-32
diff --git a/sysdeps/s390/Makefile b/sysdeps/s390/Makefile
new file mode 100644
index 0000000000..057862d91b
--- /dev/null
+++ b/sysdeps/s390/Makefile
@@ -0,0 +1,11 @@
+pic-ccflag = -fpic
+
+ifeq ($(subdir),gmon)
+sysdep_routines += s390-mcount
+endif
+
+ifeq ($(subdir),elf)
+CFLAGS-rtld.c += -Wno-uninitialized -Wno-unused
+CFLAGS-dl-load.c += -Wno-unused
+CFLAGS-dl-reloc.c += -Wno-unused
+endif
diff --git a/sysdeps/s390/__longjmp.c b/sysdeps/s390/__longjmp.c
new file mode 100644
index 0000000000..7606aefce2
--- /dev/null
+++ b/sysdeps/s390/__longjmp.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <sysdep.h>
+#include <setjmp.h>
+#include <bits/setjmp.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+/* Jump to the position specified by ENV, causing the
+ setjmp call there to return VAL, or 1 if VAL is 0. */
+void
+__longjmp (__jmp_buf env, int val)
+{
+ unsigned int result;
+
+ /* Restore registers and jump back */
+ asm volatile("lr %%r2,%0\n\t" /* put val in grp 2 */
+ "lm %%r6,%%r15,%1\n\t"
+ "br %%r14"
+ : : "r" (val == 0 ? 1 : val),
+ "m" (env->gregs[JB_GPR6]) : "2" );
+
+ /* Avoid `volatile function does return' warnings. */
+ for (;;);
+}
diff --git a/sysdeps/s390/abort-instr.h b/sysdeps/s390/abort-instr.h
new file mode 100644
index 0000000000..6544b2d618
--- /dev/null
+++ b/sysdeps/s390/abort-instr.h
@@ -0,0 +1,2 @@
+/* An op-code of 0 should crash any program. */
+#define ABORT_INSTRUCTION asm (".word 0")
diff --git a/sysdeps/s390/add_n.S b/sysdeps/s390/add_n.S
new file mode 100644
index 0000000000..4b7d8418c9
--- /dev/null
+++ b/sysdeps/s390/add_n.S
@@ -0,0 +1,63 @@
+/* Add two limb vectors of the same length > 0 and store sum in a third
+ limb vector.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU MP Library.
+
+ The GNU MP Library is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Library General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or (at your
+ option) any later version.
+
+ The GNU MP Library is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
+ License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with the GNU MP Library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
+
+/*
+ INPUT PARAMETERS
+ res_ptr %r2
+ s1_ptr %r3
+ s2_ptr %r4
+ size %r5
+*/
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY(__mpn_add_n)
+ st %r6,24(%r15) # save register 6
+ sr %r1,%r1
+ lhi %r0,1 # cannot use ahi to add carry, use alr
+.L0: l %r6,0(%r1,%r3) # .L0 -> no carry from last add
+ al %r6,0(%r1,%r4)
+ st %r6,0(%r1,%r2)
+ la %r1,4(0,%r1)
+ brc 3,.L3
+.L1: brct %r5,.L0
+ slr %r2,%r2 # no last carry to return
+ j .Lexit
+.L2: l %r6,0(%r1,%r3) # .L2 -> carry from last add
+ al %r6,0(%r1,%r4)
+ brc 3,.L4
+ alr %r6,%r0 # no carry yet, add carry from last add
+ st %r6,0(%r1,%r2)
+ la %r1,4(0,%r1)
+ brc 12,.L1 # new carry ?
+.L3: brct %r5,.L2
+ lr %r2,%r0 # return last carry
+ j .Lexit
+.L4: alr %r6,%r0 # already a carry, add carry from last add
+ st %r6,0(%r1,%r2)
+ la %r1,4(0,%r1)
+ brct %r5,.L2
+ lr %r2,%r0 # return last carry
+.Lexit: l %r6,24(%r15) # restore register 6
+ br %r14
+END(__mpn_add_n)
diff --git a/sysdeps/s390/addmul_1.S b/sysdeps/s390/addmul_1.S
new file mode 100644
index 0000000000..c98a4c1524
--- /dev/null
+++ b/sysdeps/s390/addmul_1.S
@@ -0,0 +1,58 @@
+/* S390 __mpn_addmul_1 -- Multiply a limb vector with a limb and add
+ the result to a second limb vector.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU MP Library.
+
+ The GNU MP Library is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Library General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or (at your
+ option) any later version.
+
+ The GNU MP Library is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
+ License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with the GNU MP Library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
+
+/*
+ INPUT PARAMETERS
+ res_ptr %r2
+ s1_ptr %r3
+ sizeP %r4
+ s2_limb %r5
+*/
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY(__mpn_addmul_1)
+ st %r6,24(%r15)
+ slr %r6,%r6 # cy_limb = 0
+.L0: icm %r1,15,0(%r3) # get s1_ptr[i]
+ mr %r0,%r5 # umul_ppmm(prod_high,prod_low,s1_ptr[j],s2_limb)
+ jnm .L1
+ alr %r0,%r5
+.L1: ltr %r5,%r5
+ jnm .L2
+ al %r0,0(%r3)
+.L2: alr %r1,%r6 # prod_low += cy_limb
+ lr %r6,%r0 # cy_limb = prod_high
+ brc 12,.L3
+ ahi %r6,1 # + (prod_low < cy_limb)
+.L3: al %r1,0(%r2) # prod_low += res_ptr[i]
+ brc 12,.L4
+ ahi %r6,1 # cy_limb++
+.L4: st %r1,0(%r2)
+ la %r2,4(0,%r2)
+ la %r3,4(0,%r3)
+ brct %r4,.L0
+ lr %r2,%r6 # return cy_limb
+ l %r6,24(%r15)
+.Lexit: br %r14
+END(__mpn_addmul_1)
diff --git a/sysdeps/s390/asm-syntax.h b/sysdeps/s390/asm-syntax.h
new file mode 100644
index 0000000000..5e050f77f9
--- /dev/null
+++ b/sysdeps/s390/asm-syntax.h
@@ -0,0 +1,42 @@
+/* Definitions for S/390 syntax variations.
+ Copyright (C) 1992, 1994, 1995, 1997, 2000 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library. Its master source is NOT part of
+ the C library, however. The master source lives in the GNU MP Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#undef ALIGN
+#if defined NOLOG_ALIGN || defined HAVE_ELF
+# define ALIGN(log) .align 1<<log
+#else
+# define ALIGN(log) .align log
+#endif
+
+#undef L
+#ifdef __ELF__
+# ifdef __STDC__
+# define L(body) .L##body
+# else
+# define L(body) .L/**/body
+# endif
+#else
+# ifdef __STDC__
+# define L(body) L##body
+# else
+# define L(body) L/**/body
+# endif
+#endif
diff --git a/sysdeps/s390/atomicity.h b/sysdeps/s390/atomicity.h
new file mode 100644
index 0000000000..0c97f405ef
--- /dev/null
+++ b/sysdeps/s390/atomicity.h
@@ -0,0 +1,74 @@
+/* Low-level functions for atomic operations. S390 version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _ATOMICITY_H
+#define _ATOMICITY_H 1
+
+#include <inttypes.h>
+
+static inline int
+__attribute__ ((unused))
+exchange_and_add (volatile uint32_t *mem, int val)
+{
+ int result;
+ __asm__ __volatile__(
+ " L %0,%2\n"
+ " LA 2,%1\n"
+ "0: LR 0,%0\n"
+ " AR 0,%3\n"
+ " CS %0,0,0(2)\n"
+ " JL 0b"
+ : "=&d" (result), "=m" (*mem)
+ : "1" (*mem), "d" (val) : "0", "1", "2" );
+ return result;
+}
+
+static inline void
+__attribute__ ((unused))
+atomic_add (volatile uint32_t *mem, int val)
+{
+ __asm__ __volatile__(
+ " LA 2,%0\n"
+ "0: L 0,%1\n"
+ " LR 1,0\n"
+ " AR 1,%2\n"
+ " CS 0,1,0(2)\n"
+ " JL 0b"
+ : "=m" (*mem) : "0" (*mem), "d" (val) : "0", "1", "2" );
+}
+
+static inline int
+__attribute__ ((unused))
+compare_and_swap (volatile long int *p, long int oldval, long int newval)
+{
+ int retval;
+
+ __asm__ __volatile__(
+ " cs %2,%3,%1\n"
+ " ipm %0\n"
+ " srl %0,28\n"
+ "0:"
+ : "=&r" (retval), "+m" (*p)
+ : "d" (oldval) , "d" (newval)
+ : "memory", "cc");
+ return !retval;
+}
+
+#endif /* atomicity.h */
diff --git a/sysdeps/s390/backtrace.c b/sysdeps/s390/backtrace.c
new file mode 100644
index 0000000000..5e7f802810
--- /dev/null
+++ b/sysdeps/s390/backtrace.c
@@ -0,0 +1,81 @@
+/* Return backtrace of current program state.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <execinfo.h>
+#include <stddef.h>
+
+/* This is a global variable set at program start time. It marks the
+ highest used stack address. */
+extern void *__libc_stack_end;
+
+
+/* This is the stack layout we see for every non-leaf function.
+ size offset
+ %r15 -> +------------------+
+ 4 | back chain | 0
+ 4 | end of stack | 4
+ 8 | glue | 8
+ 8 | scratch | 16
+ 40 | save area r6-r15 | 24
+ 16 | save area f4,f6 | 64
+ 16 | empty | 80
+ +------------------+
+ r14 in the save area holds the return address.
+*/
+
+struct layout
+{
+ int back_chain;
+ int end_of_stack;
+ int glue[2];
+ int scratch[2];
+ int save_grps[10];
+ int save_fp[4];
+ int empty[2];
+};
+
+int
+__backtrace (array, size)
+ void **array;
+ int size;
+{
+ /* We assume that all the code is generated with frame pointers set. */
+ struct layout *stack;
+ int cnt = 0;
+
+ asm ("LR %0,%%r15" : "=d" (stack) );
+ /* We skip the call to this function, it makes no sense to record it. */
+ stack = (struct layout *) stack->back_chain;
+ while (cnt < size)
+ {
+ if (stack == NULL || (void *) stack > __libc_stack_end)
+ /* This means the address is out of range. Note that for the
+ toplevel we see a frame pointer with value NULL which clearly is
+ out of range. */
+ break;
+
+ array[cnt++] = stack->save_grps[9];
+
+ stack = (struct layout *) stack->back_chain;
+ }
+
+ return cnt;
+}
+weak_alias (__backtrace, backtrace)
diff --git a/sysdeps/s390/bcopy.S b/sysdeps/s390/bcopy.S
new file mode 100644
index 0000000000..dafe9ee186
--- /dev/null
+++ b/sysdeps/s390/bcopy.S
@@ -0,0 +1,69 @@
+/* bcopy -- copy a block from source to destination. For IBM S390
+ This file is part of the GNU C Library.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+ The GNU C Library is free software ; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation ; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY ; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * R2 = address of source
+ * R3 = address of destination
+ * R4 = number of bytes to copy
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY(__bcopy)
+ clr %r2,%r3 # check against destructive overlap
+ jnl .L0
+ lr %r1,%r2
+ alr %r1,%r4
+ clr %r1,%r3
+ jh .L2
+.L0:
+ lr %r5,%r4 # source length
+ lr %r4,%r2 # source address
+ sr %r1,%r1 # set pad byte to zero
+ lr %r2,%r3 # set destination
+ lr %r3,%r5 # destination length = source length
+.L1: mvcle %r2,%r4,0(%r1) # thats it, MVCLE is your friend
+ jo .L1
+ br %r14
+.L2: # destructive overlay, can not use mvcle
+ lr %r1,%r2 # bcopy is called with source,dest
+ lr %r2,%r3 # memmove with dest,source! Oh, well...
+ lr %r3,%r1
+ basr %r1,0
+.L3:
+#ifdef PIC
+ al %r1,.L4-.L3(%r1) # get address of global offset table
+ # load address of memmove
+ l %r1,memmove@GOT12(%r1)
+ br %r1
+.L4: .long _GLOBAL_OFFSET_TABLE_-.L3
+#else
+ al %r1,.L4-.L3(%r1) # load address of memmove
+ br %r1 # jump to memmove
+.L4: .long memmove-.L3
+#endif
+
+END(__bcopy)
+
+#ifndef NO_WEAK_ALIAS
+weak_alias (__bcopy, bcopy)
+#endif
diff --git a/sysdeps/s390/bits/byteswap.h b/sysdeps/s390/bits/byteswap.h
new file mode 100644
index 0000000000..ad20e97dc6
--- /dev/null
+++ b/sysdeps/s390/bits/byteswap.h
@@ -0,0 +1,86 @@
+/* Macros to swap the order of bytes in integer values. s390 version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#if !defined _BYTESWAP_H && !defined _NETINET_IN_H
+# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
+#endif
+
+#define __bswap_constant_16(x) \
+ ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
+
+/* Swap bytes in 16 bit value. */
+#if defined __GNUC__ && __GNUC__ >= 2
+# define __bswap_16(x) \
+ (__extension__ \
+ ({ unsigned short int __v; \
+ if (__builtin_constant_p (x)) \
+ __v = __bswap_constant_16 (x); \
+ else { \
+ unsigned short int __tmp = (unsigned short int) (x); \
+ __asm__ __volatile__ ( \
+ "sr %0,%0\n" \
+ "la 1,%1\n" \
+ "icm %0,2,1(1)\n" \
+ "ic %0,0(1)" \
+ : "=&d" (__v) : "m" (__tmp) : "1"); \
+ } \
+ __v; }))
+#else
+/* This is better than nothing. */
+#define __bswap_16(x) __bswap_constant_16 (x)
+#endif
+
+/* Swap bytes in 32 bit value. */
+#define __bswap_constant_32(x) \
+ ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
+ (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
+
+#if defined __GNUC__ && __GNUC__ >= 2
+# define __bswap_32(x) \
+ (__extension__ \
+ ({ unsigned int __v; \
+ if (__builtin_constant_p (x)) \
+ __v = __bswap_constant_32 (x); \
+ else { \
+ unsigned int __tmp = (unsigned int) (x); \
+ __asm__ __volatile__ ( \
+ "la 1,%1\n" \
+ "icm %0,8,3(1)\n" \
+ "icm %0,4,2(1)\n" \
+ "icm %0,2,1(1)\n" \
+ "ic %0,0(1)" \
+ : "=&d" (__v) : "m" (__tmp) : "1"); \
+ } \
+ __v; }))
+#else
+# define __bswap_32(x) __bswap_constant_32 (x)
+#endif
+
+#if defined __GNUC__ && __GNUC__ >= 2
+/* Swap bytes in 64 bit value. */
+# define __bswap_64(x) \
+ __extension__ \
+ ({ union { unsigned long long int __ll; \
+ unsigned long int __l[2]; } __w, __r; \
+ __w.__ll = (x); \
+ __r.__l[0] = __bswap_32 (__w.__l[1]); \
+ __r.__l[1] = __bswap_32 (__w.__l[0]); \
+ __r.__ll; })
+#endif
diff --git a/sysdeps/s390/bits/endian.h b/sysdeps/s390/bits/endian.h
new file mode 100644
index 0000000000..ac27f0119a
--- /dev/null
+++ b/sysdeps/s390/bits/endian.h
@@ -0,0 +1,7 @@
+/* s390 is big-endian */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/sysdeps/s390/bits/huge_val.h b/sysdeps/s390/bits/huge_val.h
new file mode 100644
index 0000000000..0c8264c90f
--- /dev/null
+++ b/sysdeps/s390/bits/huge_val.h
@@ -0,0 +1,73 @@
+/* `HUGE_VAL' constants for s390 (where it is infinity).
+ Used by <stdlib.h> and <math.h> functions for overflow.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _MATH_H
+# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
+#endif
+
+#include <features.h>
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
+
+#if __GNUC_PREREQ(2,96)
+# define HUGE_VAL (__extension__ 0x1.0p2047)
+#else
+#define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
+
+#define __huge_val_t union { unsigned char __c[8]; double __d; }
+#ifdef __GNUC__
+# define HUGE_VAL (__extension__ \
+ ((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d)
+#else /* Not GCC. */
+static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+# define HUGE_VAL (__huge_val.__d)
+#endif /* GCC. */
+#endif /* GCC 2.95 */
+
+
+/* ISO C 99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */
+
+#ifdef __USE_ISOC99
+
+# if __GNUC_PREREQ(2,96)
+
+# define HUGE_VALF (__extension__ 0x1.0p255f)
+# define HUGE_VALL (__extension__ 0x1.0p255f)
+
+# else
+
+# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
+
+# define __huge_valf_t union { unsigned char __c[4]; float __f; }
+# ifdef __GNUC__
+# define HUGE_VALF (__extension__ \
+ ((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f)
+# else /* Not GCC. */
+static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
+# define HUGE_VALF (__huge_valf.__f)
+# endif /* GCC. */
+
+/* On 390 there is no 'long double' format. Make it the same as 'double' */
+# define HUGE_VALL HUGE_VAL
+
+# endif /* GCC 2.95 */
+
+#endif /* __USE_ISOC99. */
diff --git a/sysdeps/s390/bits/setjmp.h b/sysdeps/s390/bits/setjmp.h
new file mode 100644
index 0000000000..e778e9c6d5
--- /dev/null
+++ b/sysdeps/s390/bits/setjmp.h
@@ -0,0 +1,52 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* Define the machine-dependent type `jmp_buf'. IBM s390 version. */
+
+#ifndef __S390_SETJMP_H__
+#define __S390_SETJMP_H__
+
+#define JB_GPR6 0
+#define JB_GPR7 1
+#define JB_GPR8 2
+#define JB_GPR9 3
+#define JB_GPR10 4
+#define JB_GPR11 5
+#define JB_GPR12 6
+#define JB_GPR13 7
+#define JB_GPR14 8
+#define JB_GPR15 9
+
+#ifndef _ASM
+
+typedef struct {
+ /* We save registers 6-15 */
+ long int gregs[10];
+
+ /* We save fpu registers 4 and 6 */
+ long long fpregs[2];
+} __jmp_buf[1];
+
+#endif
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((int) (address) < (jmpbuf)->gregs[JB_GPR15])
+
+#endif /* __S390_SETJMP_H__ */
diff --git a/sysdeps/s390/bits/string.h b/sysdeps/s390/bits/string.h
new file mode 100644
index 0000000000..4aeb146f3e
--- /dev/null
+++ b/sysdeps/s390/bits/string.h
@@ -0,0 +1,140 @@
+/* Optimized, inlined string functions. s390 version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _STRING_H
+# error "Never use <bits/string.h> directly; include <string.h> instead."
+#endif
+
+/* The s390 processors can access unaligned multi-byte variables. */
+#define _STRING_ARCH_unaligned 1
+
+
+/* We only provide optimizations if the user selects them and if
+ GNU CC is used. */
+#if !defined __NO_STRING_INLINES && defined __USE_STRING_INLINES \
+ && defined __GNUC__ && __GNUC__ >= 2
+
+#ifdef __cplusplus
+# define __STRING_INLINE inline
+#else
+# define __STRING_INLINE extern __inline
+#endif
+
+#define _HAVE_STRING_ARCH_strlen 1
+__STRING_INLINE size_t
+strlen (__const char *__str)
+{
+ size_t __len;
+
+ __asm__ __volatile__ (" sr 0,0\n"
+ " lr %0,%1\n"
+ "0: srst 0,%0\n"
+ " jo 0b\n"
+ " lr %0,0\n"
+ " sr %0,%1"
+ : "=&a" (__len) : "a" (__str)
+ : "cc", "0" );
+ return __len;
+}
+
+/* Copy SRC to DEST. */
+#define _HAVE_STRING_ARCH_strcpy 1
+__STRING_INLINE char *
+strcpy (char *__dest, __const char *__src)
+{
+ char *tmp = __dest;
+
+ __asm__ __volatile__ (" sr 0,0\n"
+ "0: mvst %0,%1\n"
+ " jo 0b"
+ : "+&a" (__dest), "+&a" (__src) :
+ : "cc", "memory", "0" );
+ return tmp;
+}
+
+#define _HAVE_STRING_ARCH_strncpy 1
+__STRING_INLINE char *
+strncpy (char *__dest, __const char *__src, size_t __n)
+{
+ char *tmp = __dest;
+
+ if (__n <= 0)
+ return tmp;
+ __asm__ __volatile (" slr %0,%1\n"
+ "0: icm 0,1,0(%1)\n"
+ " stc 0,0(%0,%1)\n"
+ " jz 2f\n"
+ " la %1,1(%1)\n"
+ " brct %2,0b\n"
+ " j 3f\n"
+ "1: la %1,1(%1)\n"
+ " stc 0,0(%0,%1)\n"
+ "2: brct %2,1b\n"
+ "3:"
+ : "+&a" (__dest), "+&a" (__src), "+&d" (__n) :
+ : "cc", "memory", "0" );
+ return tmp;
+}
+
+/* Append SRC onto DEST. */
+#define _HAVE_STRING_ARCH_strcat 1
+__STRING_INLINE char *
+strcat(char *__dest, const char *__src)
+{
+ char *tmp = __dest;
+
+ __asm__ __volatile__ (" sr 0,0\n"
+ "0: srst 0,%0\n"
+ " jo 0b\n"
+ " lr %0,0\n"
+ " sr 0,0\n"
+ "1: mvst %0,%1\n"
+ " jo 1b"
+ : "+&a" (__dest), "+&a" (__src) :
+ : "cc", "memory", "0" );
+ return tmp;
+}
+
+/* Append no more than N characters from SRC onto DEST. */
+#define _HAVE_STRING_ARCH_strncat 1
+__STRING_INLINE char *
+strncat (char *__dest, __const char *__src, size_t __n)
+{
+ char *tmp = __dest;
+
+ if (__n <= 0)
+ return tmp;
+ __asm__ __volatile__ (" sr 0,0\n"
+ "0: srst 0,%0\n"
+ " jo 0b\n"
+ " lr %0,0\n"
+ " slr %0,%1\n"
+ "1: icm 0,1,0(%1)\n"
+ " stc 0,0(%0,%1)\n"
+ " jz 2f\n"
+ " la %1,1(%1)\n"
+ " brct %2,1b\n"
+ "2:"
+ : "+&a" (__dest), "+&a" (__src), "+&d" (__n) :
+ : "cc", "memory", "0" );
+ return tmp;
+}
+
+#endif /* Use string inlines && GNU CC. */
diff --git a/sysdeps/s390/bsd-_setjmp.S b/sysdeps/s390/bsd-_setjmp.S
new file mode 100644
index 0000000000..2b664409de
--- /dev/null
+++ b/sysdeps/s390/bsd-_setjmp.S
@@ -0,0 +1,46 @@
+/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. s390 version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software ; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation ; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY ; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* This just does a tail-call to `__sigsetjmp (ARG, 0)'.
+ We cannot do it in C because it must be a tail-call, so frame-unwinding
+ in setjmp doesn't clobber the state restored by longjmp. */
+
+#include <sysdep.h>
+
+ENTRY(_setjmp)
+#ifdef PIC
+ /* We cannot use the PLT, because it requires that %r12 be set, but
+ we can't save and restore our caller's value. Instead, we do an
+ indirect jump through the GOT. */
+ basr %r1,0
+.L0: al %r1,.L1 - .L0(0,%r1) /* get address of global offset table */
+ /* get address of __sigjmp_save from got */
+ l %r1,__sigjmp_save@GOT12(0,%r1)
+ lhi %r3,0 /* second argument of one */
+ br %r1
+.L1: .long _GLOBAL_OFFSET_TABLE_ - .L0
+#else
+ basr %r1,0
+.L0: l %r1,.L1 - .L0(0,%r1) /* load address of __sigsetjmp */
+ lhi %r3,0 /* second argument of zero */
+ br %r1 /* branch to __sigsetjmp */
+.L1: .long __sigsetjmp
+#endif
+END (_setjmp)
diff --git a/sysdeps/s390/bsd-setjmp.S b/sysdeps/s390/bsd-setjmp.S
new file mode 100644
index 0000000000..ab5aa0c663
--- /dev/null
+++ b/sysdeps/s390/bsd-setjmp.S
@@ -0,0 +1,46 @@
+/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. s390 version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software ; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation ; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY ; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
+ We cannot do it in C because it must be a tail-call, so frame-unwinding
+ in setjmp doesn't clobber the state restored by longjmp. */
+
+#include <sysdep.h>
+
+ENTRY(setjmp)
+#ifdef PIC
+ /* We cannot use the PLT, because it requires that %r12 be set, but
+ we can't save and restore our caller's value. Instead, we do an
+ indirect jump through the GOT. */
+ basr %r1,0
+.L0: al %r1,.L1 - .L0(0,%r1) /* get address of global offset table */
+ /* get address of __sigjmp_save from got */
+ l %r1,__sigjmp_save@GOT12(0,%r1)
+ lhi %r3,1 /* second argument of one */
+ br %r1
+.L1: .long _GLOBAL_OFFSET_TABLE_ - .L0
+#else
+ basr %r1,0
+.L0: l %r1,.L1 - .L0(0,%r1) /* load address of __sigsetjmp */
+ lhi %r3,1 /* second argument of zero */
+ br %r1 /* branch to __sigsetjmp */
+.L1: .long __sigsetjmp
+#endif
+END (setjmp)
diff --git a/sysdeps/s390/bzero.S b/sysdeps/s390/bzero.S
new file mode 100644
index 0000000000..4d0db82fa0
--- /dev/null
+++ b/sysdeps/s390/bzero.S
@@ -0,0 +1,43 @@
+/* bzero -- set a block of memory to zero. IBM S390 version
+ This file is part of the GNU C Library.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * R2 = address to memory area
+ * R3 = number of bytes to fill
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY(__bzero)
+ ltr %r3,%r3
+ jz .L1
+ sr %r1,%r1 # set pad byte to zero
+ sr %r4,%r4 # no source for MVCLE, only a pad byte
+ sr %r5,%r5
+.L0: mvcle %r2,%r4,0(%r1) # thats it, MVCLE is your friend
+ jo .L0
+.L1: br %r14
+END(__bzero)
+
+#ifndef NO_WEAK_ALIAS
+weak_alias (__bzero, bzero)
+#endif
diff --git a/sysdeps/s390/dl-machine.h b/sysdeps/s390/dl-machine.h
new file mode 100644
index 0000000000..3cab824ce2
--- /dev/null
+++ b/sysdeps/s390/dl-machine.h
@@ -0,0 +1,464 @@
+/* Machine-dependent ELF dynamic relocation inline functions. S390 Version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Carl Pederson & Martin Schwidefsky.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, write to the Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#ifndef dl_machine_h
+#define dl_machine_h
+
+
+#define ELF_MACHINE_NAME "s390"
+
+#include <sys/param.h>
+#include <string.h>
+#include <link.h>
+
+
+/* Return nonzero iff E_MACHINE is compatible with the running host. */
+static inline int
+elf_machine_matches_host (Elf32_Half e_machine)
+{
+ switch (e_machine)
+ {
+ case EM_S390:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+
+/* Return the link-time address of _DYNAMIC. Conveniently, this is the
+ first element of the GOT. This must be inlined in a function which
+ uses global data. */
+
+static inline Elf32_Addr
+elf_machine_dynamic (void)
+{
+ register Elf32_Addr *got;
+
+ asm( " bras %0,2f\n"
+ "1: .long _GLOBAL_OFFSET_TABLE_-1b\n"
+ "2: al %0,0(%0)"
+ : "=&a" (got) : : "0" );
+
+ return *got;
+}
+
+
+/* Return the run-time load address of the shared object. */
+static inline Elf32_Addr
+elf_machine_load_address (void)
+{
+ Elf32_Addr addr;
+
+ asm( " bras 1,2f\n"
+ "1: .long _GLOBAL_OFFSET_TABLE_ - 1b\n"
+ " .long _dl_start - 1b - 0x80000000\n"
+ "2: l %0,4(1)\n"
+ " ar %0,1\n"
+ " al 1,0(1)\n"
+ " sl %0,_dl_start@GOT12(1)"
+ : "=&d" (addr) : : "1" );
+ return addr;
+}
+
+/* Set up the loaded object described by L so its unrelocated PLT
+ entries will jump to the on-demand fixup code in dl-runtime.c. */
+
+static inline int __attribute__ ((unused))
+elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
+{
+ extern void _dl_runtime_resolve (Elf32_Word);
+ extern void _dl_runtime_profile (Elf32_Word);
+
+ if (l->l_info[DT_JMPREL] && lazy)
+ {
+ /* The GOT entries for functions in the PLT have not yet been filled
+ in. Their initial contents will arrange when called to push an
+ offset into the .rel.plt section, push _GLOBAL_OFFSET_TABLE_[1],
+ and then jump to _GLOBAL_OFFSET_TABLE[2]. */
+ Elf32_Addr *got;
+ got = (Elf32_Addr *) D_PTR (l, l_info[DT_PLTGOT]);
+ got[1] = (Elf32_Addr) l; /* Identify this shared object. */
+
+ /* The got[2] entry contains the address of a function which gets
+ called to get the address of a so far unresolved function and
+ jump to it. The profiling extension of the dynamic linker allows
+ to intercept the calls to collect information. In this case we
+ don't store the address in the GOT so that all future calls also
+ end in this function. */
+ if (__builtin_expect (profile, 0))
+ {
+ got[2] = (Elf32_Addr) &_dl_runtime_profile;
+
+ if (_dl_name_match_p (_dl_profile, l))
+ /* This is the object we are looking for. Say that we really
+ want profiling and the timers are started. */
+ _dl_profile_map = l;
+ }
+ else
+ /* This function will get called to fix up the GOT entry indicated by
+ the offset on the stack, and then jump to the resolved address. */
+ got[2] = (Elf32_Addr) &_dl_runtime_resolve;
+ }
+
+ return lazy;
+}
+
+/* This code is used in dl-runtime.c to call the `fixup' function
+ and then redirect to the address it returns. */
+
+/* s390:
+ Arguments are in register.
+ r2 - r7 holds the original parameters for the function call, fixup
+ and trampoline code use r0-r5 and r14-15. For the correct function
+ call r2-r5 and r14-15 must be restored.
+ Arguments from the PLT are stored at 24(r15) and 28(r15)
+ and must be moved to r2 and r3 for the fixup call (see elf32-s390.c
+ in the binutils for the PLT code).
+ Fixup function address in r2.
+*/
+#ifndef PROF
+#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
+ asm ( "\
+ .text\n\
+ .globl _dl_runtime_resolve\n\
+ .type _dl_runtime_resolve, @function\n\
+ .align 16\n\
+_dl_runtime_resolve:\n\
+ # save registers\n\
+ stm 2,5,32(15)\n\
+ st 14,48(15)\n\
+ lr 0,15\n\
+ ahi 15,-96\n\
+ st 0,0(15)\n\
+ # load args saved by PLT\n\
+ lm 2,3,120(15)\n\
+ basr 1,0\n\
+0: ahi 1,1f-0b\n\
+ l 14,0(1)\n\
+ bas 14,0(14,1) # call fixup\n\
+ lr 1,2 # function addr returned in r2\n\
+ # restore registers\n\
+ ahi 15,96\n\
+ l 14,48(15)\n\
+ lm 2,5,32(15)\n\
+ br 1\n\
+1: .long fixup-1b\n\
+ .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\
+\n\
+ .globl _dl_runtime_profile\n\
+ .type _dl_runtime_profile, @function\n\
+ .align 16\n\
+_dl_runtime_profile:\n\
+ # save registers\n\
+ stm 2,5,32(15)\n\
+ st 14,48(15)\n\
+ lr 0,15\n\
+ ahi 15,-96\n\
+ st 0,0(15)\n\
+ # load args saved by PLT\n\
+ lm 2,3,120(15)\n\
+ # load return address as third parameter\n\
+ lr 4,14\n\
+ basr 1,0\n\
+0: ahi 1,1f-0b\n\
+ l 14,0(1)\n\
+ bas 14,0(14,1) # call fixup\n\
+ lr 1,2 # function addr returned in r2\n\
+ # restore registers\n\
+ ahi 15,96\n\
+ l 14,48(15)\n\
+ lm 2,5,32(15)\n\
+ br 1\n\
+1: .long profile_fixup-1b\n\
+ .size _dl_runtime_profile, .-_dl_runtime_profile\n\
+");
+#else
+#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
+ asm ( "\
+ .text\n\
+ .globl _dl_runtime_resolve\n\
+ .globl _dl_runtime_profile\n\
+ .type _dl_runtime_resolve, @function\n\
+ .type _dl_runtime_profile, @function\n\
+ .align 16\n\
+_dl_runtime_resolve:\n\
+_dl_runtime_profile:\n\
+ # save registers\n\
+ stm 2,5,32(15)\n\
+ st 14,48(15)\n\
+ lr 0,15\n\
+ ahi 15,-96\n\
+ st 0,0(15)\n\
+ # load args saved by PLT\n\
+ lm 2,3,120(15)\n\
+ # load return address as third parameter\n\
+ lr 4,14\n\
+ basr 1,0\n\
+0: ahi 1,1f-0b\n\
+ l 14,0(1)\n\
+ bas 14,0(14,1) # call fixup\n\
+ lr 1,2 # function addr returned in r2\n\
+ # restore registers\n\
+ ahi 15,96\n\
+ l 14,48(15)\n\
+ lm 2,5,32(15)\n\
+ br 1\n\
+1: .long fixup-1b\n\
+ .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\
+ .size _dl_runtime_profile, .-_dl_runtime_profile\n\
+");
+#endif
+
+/* The PLT uses Elf32_Rela relocs. */
+#define elf_machine_relplt elf_machine_rela
+
+/* Mask identifying addresses reserved for the user program,
+ where the dynamic linker should not map anything. */
+#define ELF_MACHINE_USER_ADDRESS_MASK 0xf8000000UL
+
+/* Initial entry point code for the dynamic linker.
+ The C function `_dl_start' is the real entry point;
+ its return value is the user program's entry point. */
+
+#define RTLD_START asm ("\n\
+.text\n\
+.align 4\n\
+.globl _start\n\
+.globl _dl_start_user\n\
+_start:\n\
+ basr %r13,0\n\
+.L0: ahi %r13,.Llit-.L0\n\
+ lr %r2,%r15\n\
+ # Alloc stack frame\n\
+ ahi %r15,-96\n\
+ # Set the back chain to zero\n\
+ xc 0(4,%r15),0(%r15)\n\
+ # Call _dl_start with %r2 pointing to arg on stack\n\
+ l %r14,.Ladr1-.Llit(%r13)\n\
+ bas %r14,0(%r14,%r13) # call _dl_start\n\
+_dl_start_user:\n\
+ # Save the user entry point address in %r8.\n\
+ lr %r8,%r2\n\
+ # Point %r12 at the GOT.\n\
+ l %r12,.Ladr0-.Llit(%r13)\n\
+ ar %r12,%r13\n\
+ # Store the highest stack address\n\
+ l %r1,__libc_stack_end@GOT(%r12)\n\
+ st %r15, 0(%r1)\n\
+ # See if we were run as a command with the executable file\n\
+ # name as an extra leading argument.\n\
+ l %r1,_dl_skip_args@GOT12(0,%r12)\n\
+ l %r1,0(%r1) # load _dl_skip_args\n\
+ # Get the original argument count.\n\
+ l %r0,96(%r15)\n\
+ # Subtract _dl_skip_args from it.\n\
+ sr %r0,%r1\n\
+ # Adjust the stack pointer to skip _dl_skip_args words.\n\
+ sll %r1,2\n\
+ ar %r15,%r1\n\
+ # Set the back chain to zero again\n\
+ xc 0(4,%r15),0(%r15)\n\
+ # Store back the modified argument count.\n\
+ st %r0,96(%r15)\n\
+ # The special initializer gets called with the stack just\n\
+ # as the application's entry point will see it; it can\n\
+ # switch stacks if it moves these contents over.\n\
+" RTLD_START_SPECIAL_INIT "\n\
+ # Call the function to run the initializers.\n\
+ # Load the parameters:\n\
+ # (%r2, %r3, %r4, %r5) = (_dl_loaded, argc, argv, envp)\n\
+ l %r2,_dl_loaded@GOT(%r12)\n\
+ l %r2,0(%r2)\n\
+ l %r3,96(%r15)\n\
+ la %r4,100(%r15)\n\
+ lr %r5,%r3\n\
+ sll %r5,2\n\
+ la %r5,104(%r5,%r15)\n\
+ l %r1,.Ladr4-.Llit(%r13)\n\
+ bas %r14,0(%r1,%r13)\n\
+ # Pass our finalizer function to the user in %r14, as per ELF ABI.\n\
+ l %r14,_dl_fini@GOT(%r12)\n\
+ # Free stack frame\n\
+ ahi %r15,96\n\
+ # Jump to the user's entry point (saved in %r8).\n\
+ br %r8\n\
+.Llit:\n\
+.Ladr0: .long _GLOBAL_OFFSET_TABLE_-.Llit\n\
+.Ladr1: .long _dl_start-.Llit\n\
+.Ladr4: .long _dl_init@PLT-.Llit\n\
+");
+
+#ifndef RTLD_START_SPECIAL_INIT
+#define RTLD_START_SPECIAL_INIT /* nothing */
+#endif
+
+/* Nonzero iff TYPE describes relocation of a PLT entry, so
+ PLT entries should not be allowed to define the value. */
+#define elf_machine_pltrel_p(type) ((type) == R_390_JMP_SLOT)
+
+/* Nonzero iff TYPE should not be allowed to resolve to one of
+ the main executable's symbols, as for a COPY reloc. */
+#define elf_machine_lookup_noexec_p(type) ((type) == R_390_COPY)
+
+/* Nonzero iff TYPE describes relocation of a PLT entry, so
+ PLT entries should not be allowed to define the value. */
+#define elf_machine_lookup_noplt_p(type) ((type) == R_390_JMP_SLOT)
+
+/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
+#define ELF_MACHINE_JMP_SLOT R_390_JMP_SLOT
+
+/* The S390 never uses Elf32_Rel relocations. */
+#define ELF_MACHINE_NO_REL 1
+
+/* The S390 overlaps DT_RELA and DT_PLTREL. */
+#define ELF_MACHINE_PLTREL_OVERLAP 1
+
+/* We define an initialization functions. This is called very early in
+ _dl_sysdep_start. */
+#define DL_PLATFORM_INIT dl_platform_init ()
+
+extern const char *_dl_platform;
+
+static inline void __attribute__ ((unused))
+dl_platform_init (void)
+{
+ if (_dl_platform != NULL && *_dl_platform == '\0')
+ /* Avoid an empty string which would disturb us. */
+ _dl_platform = NULL;
+}
+
+static inline Elf32_Addr
+elf_machine_fixup_plt (struct link_map *map, lookup_t t,
+ const Elf32_Rela *reloc,
+ Elf32_Addr *reloc_addr, Elf32_Addr value)
+{
+ return *reloc_addr = value;
+}
+
+/* Return the final value of a plt relocation. */
+static inline Elf32_Addr
+elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
+ Elf32_Addr value)
+{
+ return value;
+}
+
+#endif /* !dl_machine_h */
+
+
+#ifdef RESOLVE
+
+/* Perform the relocation specified by RELOC and SYM (which is fully resolved).
+ MAP is the object containing the reloc. */
+
+static inline void
+elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
+ const Elf32_Sym *sym, const struct r_found_version *version,
+ Elf32_Addr *const reloc_addr)
+{
+ if (ELF32_R_TYPE (reloc->r_info) == R_390_RELATIVE) {
+#ifndef RTLD_BOOTSTRAP
+ if (map != &_dl_rtld_map) /* Already done in rtld itself. */
+#endif
+ *reloc_addr = map->l_addr + reloc->r_addend;
+ }
+ else if (ELF32_R_TYPE (reloc->r_info) != R_390_NONE)
+ {
+ const Elf32_Sym *const refsym = sym;
+ Elf32_Addr value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
+ if (sym)
+ value += sym->st_value;
+
+ switch (ELF32_R_TYPE (reloc->r_info))
+ {
+ case R_390_COPY:
+ if (sym == NULL)
+ /* This can happen in trace mode if an object could not be
+ found. */
+ break;
+ if (__builtin_expect (sym->st_size > refsym->st_size, 0)
+ || (__builtin_expect (sym->st_size < refsym->st_size, 0)
+ && __builtin_expect (_dl_verbose, 0)))
+ {
+ const char *strtab;
+
+ strtab = (const char *) D_PTR(map,l_info[DT_STRTAB]);
+ _dl_sysdep_error (_dl_argv[0] ?: "<program name unknown>",
+ ": Symbol `", strtab + refsym->st_name,
+ "' has different size in shared object, "
+ "consider re-linking\n", NULL);
+ }
+ memcpy (reloc_addr, (void *) value, MIN (sym->st_size,
+ refsym->st_size));
+ break;
+ case R_390_GLOB_DAT:
+ case R_390_JMP_SLOT:
+ *reloc_addr = value;
+ break;
+ case R_390_32:
+ {
+#ifndef RTLD_BOOTSTRAP
+ /* This is defined in rtld.c, but nowhere in the static
+ libc.a; make the reference weak so static programs can
+ still link. This declaration cannot be done when
+ compiling rtld.c (i.e. #ifdef RTLD_BOOTSTRAP) because
+ rtld.c contains the common defn for _dl_rtld_map, which
+ is incompatible with a weak decl in the same file. */
+ weak_extern (_dl_rtld_map);
+ if (map == &_dl_rtld_map)
+ /* Undo the relocation done here during bootstrapping.
+ Now we will relocate it anew, possibly using a
+ binding found in the user program or a loaded library
+ rather than the dynamic linker's built-in definitions
+ used while loading those libraries. */
+ value -= map->l_addr + refsym->st_value;
+#endif
+ *reloc_addr = value + reloc->r_addend;
+ break;
+ }
+
+ case R_390_PC32:
+ *reloc_addr = value +reloc->r_addend - (Elf32_Addr) reloc_addr;
+ break;
+ case R_390_NONE:
+ break;
+ default:
+ _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 0);
+ break;
+ }
+ }
+}
+
+
+static inline void
+elf_machine_lazy_rel (struct link_map *map,
+ Elf32_Addr l_addr, const Elf32_Rela *reloc)
+{
+ Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
+ /* Check for unexpected PLT reloc type. */
+ if (__builtin_expect (ELF32_R_TYPE (reloc->r_info), R_390_JMP_SLOT)
+ == R_390_JMP_SLOT)
+ *reloc_addr += l_addr;
+ else
+ _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 1);
+}
+
+#endif /* RESOLVE */
diff --git a/sysdeps/s390/elf/bsd-_setjmp.S b/sysdeps/s390/elf/bsd-_setjmp.S
new file mode 100644
index 0000000000..1417270201
--- /dev/null
+++ b/sysdeps/s390/elf/bsd-_setjmp.S
@@ -0,0 +1 @@
+/* We don't need any code here since the setjmp.S file contains it. */
diff --git a/sysdeps/s390/elf/bsd-setjmp.S b/sysdeps/s390/elf/bsd-setjmp.S
new file mode 100644
index 0000000000..1417270201
--- /dev/null
+++ b/sysdeps/s390/elf/bsd-setjmp.S
@@ -0,0 +1 @@
+/* We don't need any code here since the setjmp.S file contains it. */
diff --git a/sysdeps/s390/elf/setjmp.S b/sysdeps/s390/elf/setjmp.S
new file mode 100644
index 0000000000..952cba2102
--- /dev/null
+++ b/sysdeps/s390/elf/setjmp.S
@@ -0,0 +1,58 @@
+/* setjmp for s390, ELF version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sysdep.h>
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+
+ /* We include the BSD entry points here as well but we make
+ them weak. */
+ENTRY (setjmp)
+ .weak C_SYMBOL_NAME (setjmp)
+ lhi %r3,1 /* second argument of one */
+ j __sigsetjmp /* branch relativ to __sigsetjmp */
+END (setjmp)
+
+ /* Binary compatibility entry point. */
+ENTRY(_setjmp)
+ .weak C_SYMBOL_NAME (_setjmp)
+ENTRY(__setjmp)
+ lhi %r3,0 /* second argument of zero */
+
+ENTRY(__sigsetjmp)
+ stm %r6,%r15,0(%r2) /* store registers in jmp_buf */
+#ifdef PIC
+ /* We cannot use the PLT, because it requires that %r12 be set, but
+ we can't save and restore our caller's value. Instead, we do an
+ indirect jump through the GOT. */
+ basr %r1,0
+.L0: al %r1,.L1 - .L0(0,%r1) /* get address of global offset table */
+ /* get address of __sigjmp_save from got */
+ l %r1,__sigjmp_save@GOT12(0,%r1)
+ br %r1
+.L1: .long _GLOBAL_OFFSET_TABLE_ - .L0
+#else
+ basr %r1,0
+.L0: l %r1,.L1-.L0(0,%r1) /* load address of __sigjmp_save */
+ br %r1 /* tail-call __sigjmp_save */
+.L1: .long __sigjmp_save
+#endif
+END (__sigsetjmp)
diff --git a/sysdeps/s390/elf/start.S b/sysdeps/s390/elf/start.S
new file mode 100644
index 0000000000..1455572af8
--- /dev/null
+++ b/sysdeps/s390/elf/start.S
@@ -0,0 +1,95 @@
+/* Startup code compliant to the ELF s390 ABI.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ This is the canonical entry point, usually the first thing in the text
+ segment. Most registers' values are unspecified, except for:
+
+ %r14 Contains a function pointer to be registered with `atexit'.
+ This is how the dynamic linker arranges to have DT_FINI
+ functions called for shared libraries that have been loaded
+ before this code runs.
+
+ %r15 The stack contains the arguments and environment:
+ 0(%r15) argc
+ 4(%r15) argv[0]
+ ...
+ (4*argc)(%r15) NULL
+ (4*(argc+1))(%r15) envp[0]
+ ...
+ NULL
+*/
+
+ .text
+ .globl _start
+_start:
+ /* Setup pointer to literal pool of _start */
+ basr %r13,0
+.L0: ahi %r13,.Llit-.L0
+
+ /* load argc and argv from stack */
+ la %r4,4(%r15) # get argv
+ l %r3,0(%r15) # get argc
+
+ /* align the stack to a double word boundary */
+ lhi %r0,-8
+ nr %r15,%r0
+
+ /* Setup a stack frame and a parameter area */
+ ahi %r15,-104 # make room on stack
+ xc 0(4,%r15),0(%r15) # clear back-chain
+
+ /* set up arguments for __libc_start_main:
+ main, argc, argv, envp, _init, _fini, rtld_fini, stack_end
+ Note that envp will be determined later in __libc_start_main
+ */
+ stm %r14,%r15,96(%r15) # store rtld_fini/stack_end to parameter area
+ la %r7,96(%r15)
+ l %r6,.L2-.Llit(%r13) # load pointer to _fini
+ l %r5,.L1-.Llit(%r13) # load pointer to _init
+ l %r2,.L3-.Llit(%r13) # load pointer to main
+
+ /* ok, now branch to the libc main routine */
+ l %r1,.L4-.Llit(%r13)
+ basr %r14,%r1
+
+ /* crash if __libc_start_main returns */
+ .word 0
+
+.Llit:
+.L1: .long _init
+.L2: .long _fini
+.L3: .long main
+.L4: .long __libc_start_main
+
+/* FIXME: FPU flags or what ?!? */
+
+ .section .rodata
+ .globl _fp_hw
+ .long 3
+ .size _fp_hw, 4
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
diff --git a/sysdeps/s390/ffs.c b/sysdeps/s390/ffs.c
new file mode 100644
index 0000000000..b6ed821e58
--- /dev/null
+++ b/sysdeps/s390/ffs.c
@@ -0,0 +1,68 @@
+/* ffs -- find first set bit in a word, counted from least significant end.
+ This file is part of the GNU C Library.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#define ffsl __something_else
+#include <string.h>
+
+#undef ffs
+
+/*
+ * ffs: find first bit set. This is defined the same way as
+ * the libc and compiler builtin ffs routines, therefore
+ * differs in spirit from the above ffz (man ffs).
+ */
+
+int
+__ffs (x)
+ int x;
+{
+ int r;
+
+ if (x == 0)
+ return 0;
+ __asm__(" lr %%r1,%1\n"
+ " sr %0,%0\n"
+ " tml %%r1,0xFFFF\n"
+ " jnz 0f\n"
+ " ahi %0,16\n"
+ " srl %%r1,16\n"
+ "0: tml %%r1,0x00FF\n"
+ " jnz 1f\n"
+ " ahi %0,8\n"
+ " srl %%r1,8\n"
+ "1: tml %%r1,0x000F\n"
+ " jnz 2f\n"
+ " ahi %0,4\n"
+ " srl %%r1,4\n"
+ "2: tml %%r1,0x0003\n"
+ " jnz 3f\n"
+ " ahi %0,2\n"
+ " srl %%r1,2\n"
+ "3: tml %%r1,0x0001\n"
+ " jnz 4f\n"
+ " ahi %0,1\n"
+ "4:"
+ : "=&d" (r) : "d" (x) : "cc", "1" );
+ return r+1;
+}
+
+weak_alias (__ffs, ffs)
+#undef ffsl
+weak_alias (__ffs, ffsl)
diff --git a/sysdeps/s390/fpu/bits/fenv.h b/sysdeps/s390/fpu/bits/fenv.h
new file mode 100644
index 0000000000..81732b9972
--- /dev/null
+++ b/sysdeps/s390/fpu/bits/fenv.h
@@ -0,0 +1,90 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ */
+
+#ifndef _FENV_H
+# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+#endif
+
+/* Define bits representing the exception. We use the bit positions
+ of the appropriate bits in the FPU control word. */
+enum
+ {
+ FE_INVALID = 0x80,
+#define FE_INVALID FE_INVALID
+ FE_DIVBYZERO = 0x40,
+#define FE_DIVBYZERO FE_DIVBYZERO
+ FE_OVERFLOW = 0x20,
+#define FE_OVERFLOW FE_OVERFLOW
+ FE_UNDERFLOW = 0x10,
+#define FE_UNDERFLOW FE_UNDERFLOW
+ FE_INEXACT = 0x08
+#define FE_INEXACT FE_INEXACT
+ };
+/* We dont use the y bit of the DXC in the floating point control register
+ * as glibc has no FE encoding for fe inexact incremented
+ * or fe inexact truncated.
+ * We currently use the flag bits in the fpc
+ * as these are sticky for feholdenv & feupdatenv as it is defined
+ * in the HP Manpages.
+ */
+
+
+#define FE_ALL_EXCEPT \
+ (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
+
+enum
+ {
+ FE_TONEAREST = 0,
+#define FE_TONEAREST FE_TONEAREST
+ FE_DOWNWARD = 0x3,
+#define FE_DOWNWARD FE_DOWNWARD
+ FE_UPWARD = 0x2,
+#define FE_UPWARD FE_UPWARD
+ FE_TOWARDZERO = 0x1
+#define FE_TOWARDZERO FE_TOWARDZERO
+ };
+
+#define FPC_EXCEPTION_MASK_SHIFT 24
+#define FPC_FLAGS_SHIFT 16
+#define FPC_DXC_SHIFT 8
+#define FPC_NOT_FPU_EXCEPTION 0x300
+
+
+/* Type representing exception flags. */
+typedef unsigned int fexcept_t; /* size of fpc */
+
+
+/* Type representing floating-point environment. This function corresponds
+ to the layout of the block written by the `fstenv'. */
+typedef struct
+{
+ fexcept_t fpc;
+ void *ieee_instruction_pointer;
+ /* failing instruction for ieee exceptions */
+} fenv_t;
+
+/* If the default argument is used we use this value. */
+#define FE_DFL_ENV ((fenv_t *) -1)
+
+#ifdef __USE_GNU
+/* Floating-point environment where none of the exceptions are masked. */
+#define FE_NOMASK_ENV ((fenv_t *) -2)
+#endif
diff --git a/sysdeps/s390/fpu/fclrexcpt.c b/sysdeps/s390/fpu/fclrexcpt.c
new file mode 100644
index 0000000000..aa159fd282
--- /dev/null
+++ b/sysdeps/s390/fpu/fclrexcpt.c
@@ -0,0 +1,40 @@
+/* Clear given exceptions in current floating-point environment.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+feclearexcept (int excepts)
+{
+ fexcept_t temp;
+
+ /* Mask out unsupported bits/exceptions. */
+ excepts &= FE_ALL_EXCEPT;
+
+ _FPU_GETCW(temp);
+ /* Clear the relevant bits. */
+ temp &= ~((excepts<<FPC_DXC_SHIFT)|(excepts<<FPC_FLAGS_SHIFT));
+
+ /* Put the new data in effect. */
+ _FPU_SETCW(temp);
+
+ /* Success. */
+ return 0;
+}
diff --git a/sysdeps/s390/fpu/fegetround.c b/sysdeps/s390/fpu/fegetround.c
new file mode 100644
index 0000000000..3742588629
--- /dev/null
+++ b/sysdeps/s390/fpu/fegetround.c
@@ -0,0 +1,35 @@
+/* Return current rounding direction.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com)
+
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fegetround (void)
+{
+ fexcept_t cw;
+
+ _FPU_GETCW(cw);
+
+ return cw & FPC_RM_MASK;
+}
+
+
diff --git a/sysdeps/s390/fpu/fesetround.c b/sysdeps/s390/fpu/fesetround.c
new file mode 100644
index 0000000000..ba8c1b0be3
--- /dev/null
+++ b/sysdeps/s390/fpu/fesetround.c
@@ -0,0 +1,37 @@
+/* Set current rounding direction.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com)
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetround (int round)
+{
+ if ((round|FPC_RM_MASK) != FPC_RM_MASK)
+ {
+ /* ROUND is not a valid rounding mode. */
+ return 1;
+ }
+ __asm__ volatile ("srnm 0(%0)"
+ :
+ : "a" (round));
+
+ return 0;
+}
diff --git a/sysdeps/s390/fpu/fgetexcptflg.c b/sysdeps/s390/fpu/fgetexcptflg.c
new file mode 100644
index 0000000000..d4a49d6731
--- /dev/null
+++ b/sysdeps/s390/fpu/fgetexcptflg.c
@@ -0,0 +1,46 @@
+/* Store current representation for exceptions.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ Contributed by:
+ Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
+*/
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int fegetexceptflag (fexcept_t *flagp, int excepts)
+{
+ fexcept_t temp,newexcepts;
+
+ /* Get the current exceptions. */
+ _FPU_GETCW(temp);
+ newexcepts=((excepts<<FPC_DXC_SHIFT)|(excepts<<FPC_FLAGS_SHIFT));
+ *flagp = temp & newexcepts;
+
+ /* Success. */
+ return 0;
+}
+
+
+
+
+
+
+
diff --git a/sysdeps/s390/fpu/fpu_control.h b/sysdeps/s390/fpu/fpu_control.h
new file mode 100644
index 0000000000..7552cfa8ff
--- /dev/null
+++ b/sysdeps/s390/fpu/fpu_control.h
@@ -0,0 +1,47 @@
+/* FPU control word definitions. Stub version.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ Contributed by
+ Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) and
+ Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _FPU_CONTROL_H
+# define _FPU_CONTROL_H
+
+# include <features.h>
+
+/* These bits are reserved are not changed. */
+# define _FPU_RESERVED 0x070700FC
+
+/* The fdlibm code requires no interrupts for exceptions. Don't
+ change the rounding mode, it would break long double I/O! */
+#define _FPU_DEFAULT 0x00000000 /* Default value. */
+
+/* Type of the control word. */
+typedef unsigned int fpu_control_t;
+
+/* Macros for accessing the hardware control word. */
+#define _FPU_GETCW(cw) __asm__ volatile ("efpc %0,0" : "=d" (cw))
+#define _FPU_SETCW(cw) __asm__ volatile ("sfpc %0,0" : : "d" (cw))
+
+/* Default control word set at startup. */
+extern fpu_control_t __fpu_control;
+
+#endif /* _FPU_CONTROL_H */
+
+
+
diff --git a/sysdeps/s390/gmp-mparam.h b/sysdeps/s390/gmp-mparam.h
new file mode 100644
index 0000000000..8de5b8de14
--- /dev/null
+++ b/sysdeps/s390/gmp-mparam.h
@@ -0,0 +1,29 @@
+/* gmp-mparam.h -- Compiler/machine parameter header file.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+ This file is part of the GNU MP Library.
+
+ The GNU MP Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU MP Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+#define BITS_PER_MP_LIMB 32
+#define BYTES_PER_MP_LIMB 4
+#define BITS_PER_LONGINT 32
+#define BITS_PER_INT 32
+#define BITS_PER_SHORTINT 16
+#define BITS_PER_CHAR 8
+
+#define IEEE_DOUBLE_BIG_ENDIAN 0
diff --git a/sysdeps/s390/ldbl2mpn.c b/sysdeps/s390/ldbl2mpn.c
new file mode 100644
index 0000000000..631fe2eab4
--- /dev/null
+++ b/sysdeps/s390/ldbl2mpn.c
@@ -0,0 +1,101 @@
+/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "gmp.h"
+#include "gmp-impl.h"
+#include "longlong.h"
+#include "ieee754.h"
+#include <float.h>
+#include <stdlib.h>
+
+/* Convert a `long double' in IEEE854 standard double-precision format to a
+ multi-precision integer representing the significand scaled up by its
+ number of bits (64 for long double) and an integral power of two
+ (MPN frexpl). */
+
+mp_size_t
+__mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size,
+ int *expt, int *is_neg,
+ long double value)
+{
+ union ieee854_long_double u;
+ u.d = value;
+
+ *is_neg = u.ieee.negative;
+ *expt = (int) u.ieee.exponent - IEEE854_LONG_DOUBLE_BIAS;
+
+#if BITS_PER_MP_LIMB == 32
+ res_ptr[0] = u.ieee.mantissa1; /* Low-order 32 bits of fraction. */
+ res_ptr[1] = u.ieee.mantissa0; /* High-order 32 bits. */
+ #define N 2
+#elif BITS_PER_MP_LIMB == 64
+ /* Hopefully the compiler will combine the two bitfield extracts
+ and this composition into just the original quadword extract. */
+ res_ptr[0] = ((unsigned long int) u.ieee.mantissa0 << 32) | u.ieee.mantissa1;
+ #define N 1
+#else
+ #error "mp_limb size " BITS_PER_MP_LIMB "not accounted for"
+#endif
+
+ if (u.ieee.exponent == 0)
+ {
+ /* A biased exponent of zero is a special case.
+ Either it is a zero or it is a denormal number. */
+ if (res_ptr[0] == 0 && res_ptr[N - 1] == 0) /* Assumes N<=2. */
+ /* It's zero. */
+ *expt = 0;
+ else
+ {
+ /* It is a denormal number, meaning it has no implicit leading
+ one bit, and its exponent is in fact the format minimum. */
+ int cnt;
+
+ /* One problem with Intel's 80-bit format is that the explicit
+ leading one in the normalized representation has to be zero
+ for denormalized number. If it is one, the number is according
+ to Intel's specification an invalid number. We make the
+ representation unique by explicitly clearing this bit. */
+ res_ptr[N - 1] &= ~(1L << ((LDBL_MANT_DIG - 1) % BITS_PER_MP_LIMB));
+
+ if (res_ptr[N - 1] != 0)
+ {
+ count_leading_zeros (cnt, res_ptr[N - 1]);
+ if (cnt != 0)
+ {
+#if N == 2
+ res_ptr[N - 1] = res_ptr[N - 1] << cnt
+ | (res_ptr[0] >> (BITS_PER_MP_LIMB - cnt));
+ res_ptr[0] <<= cnt;
+#else
+ res_ptr[N - 1] <<= cnt;
+#endif
+ }
+ *expt = LDBL_MIN_EXP - 1 - cnt;
+ }
+ else
+ {
+ count_leading_zeros (cnt, res_ptr[0]);
+ res_ptr[N - 1] = res_ptr[0] << cnt;
+ res_ptr[0] = 0;
+ *expt = LDBL_MIN_EXP - 1 - BITS_PER_MP_LIMB - cnt;
+ }
+ }
+ }
+
+ return N;
+}
diff --git a/sysdeps/s390/machine-gmon.h b/sysdeps/s390/machine-gmon.h
new file mode 100644
index 0000000000..019baae46e
--- /dev/null
+++ b/sysdeps/s390/machine-gmon.h
@@ -0,0 +1,36 @@
+/* s390-specific implementation of profiling support.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sysdep.h>
+
+/* We need a special version of the `mcount' function since for S/390 it
+ must not clobber any register. */
+
+/* We must not pollute the global namespace. */
+#define mcount_internal __mcount_internal
+
+void mcount_internal (u_long frompc, u_long selfpc);
+
+#define _MCOUNT_DECL(frompc, selfpc) \
+void mcount_internal (u_long frompc, u_long selfpc)
+
+
+/* Define MCOUNT as empty since we have the implementation in another
+ file. */
+#define MCOUNT
diff --git a/sysdeps/s390/memchr.S b/sysdeps/s390/memchr.S
new file mode 100644
index 0000000000..72b4682745
--- /dev/null
+++ b/sysdeps/s390/memchr.S
@@ -0,0 +1,40 @@
+/* Search a character in a block of memory. For IBM S390
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * R2 = address to memory area
+ * R3 = character to find
+ * R4 = number of bytes to search
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY(memchr)
+ lhi %r0,0xff
+ nr %r0,%r3
+ lr %r1,%r2
+ la %r2,0(%r4,%r1)
+0: srst %r2,%r1
+ jo 0b
+ brc 13,1f
+ slr %r2,%r2
+1: br %r14
+END(memchr)
diff --git a/sysdeps/s390/memcpy.S b/sysdeps/s390/memcpy.S
new file mode 100644
index 0000000000..94119ea0e1
--- /dev/null
+++ b/sysdeps/s390/memcpy.S
@@ -0,0 +1,41 @@
+/* Set a block of memory to some byte value. For IBM S390
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * R2 = address to destination memory area
+ * R3 = address to source memory area
+ * R4 = number of bytes to copy
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY(memcpy)
+ ltr %r5,%r4
+ jz .L1
+ lr %r4,%r3 # %r4/%r5 = source ptr/len
+ lr %r3,%r5 # %r2/%r3 = dest ptr/len
+ lr %r0,%r2 # save source address
+.L0: mvcle %r2,%r4,0 # thats it, MVCLE is your friend
+ jo .L0
+ lr %r2,%r0 # return value is source address
+.L1:
+ br %r14
+END(memset)
diff --git a/sysdeps/s390/memset.S b/sysdeps/s390/memset.S
new file mode 100644
index 0000000000..e917fe031b
--- /dev/null
+++ b/sysdeps/s390/memset.S
@@ -0,0 +1,43 @@
+/* Set a block of memory to some byte value. For IBM S390
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * R2 = address to memory area
+ * R3 = byte to fill memory with
+ * R4 = number of bytes to fill
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY(memset)
+ ltr %r4,%r4
+ jz .L1
+ lr %r0,%r2 # save source address
+ lr %r1,%r3 # move pad byte to R1
+ lr %r3,%r4
+ sr %r4,%r4 # no source for MVCLE, only a pad byte
+ sr %r5,%r5
+.L0: mvcle %r2,%r4,0(%r1) # thats it, MVCLE is your friend
+ jo .L0
+ lr %r2,%r0 # return value is source address
+.L1:
+ br %r14
+END(memset)
diff --git a/sysdeps/s390/memusage.h b/sysdeps/s390/memusage.h
new file mode 100644
index 0000000000..d34f42c44f
--- /dev/null
+++ b/sysdeps/s390/memusage.h
@@ -0,0 +1,21 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#define GETSP() ({ register uintptr_t stack_ptr asm ("15"); stack_ptr; })
+
+#include <sysdeps/generic/memusage.h>
diff --git a/sysdeps/s390/mul_1.S b/sysdeps/s390/mul_1.S
new file mode 100644
index 0000000000..1804114741
--- /dev/null
+++ b/sysdeps/s390/mul_1.S
@@ -0,0 +1,55 @@
+/* i80386 __mpn_mul_1 -- Multiply a limb vector with a limb and store
+ the result in a second limb vector.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU MP Library.
+
+ The GNU MP Library is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Library General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or (at your
+ option) any later version.
+
+ The GNU MP Library is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
+ License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with the GNU MP Library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
+
+/*
+ INPUT PARAMETERS
+ res_ptr %r2
+ s1_ptr %r3
+ size %r4
+ s2_limb %r5
+*/
+
+#include <sysdep.h>
+#include "asm-syntax.h"
+
+ .text
+ENTRY(__mpn_mul_1)
+ st %r6,24(%r15)
+ slr %r6,%r6 # cy_limb = 0
+.L0: icm %r1,15,0(%r3) # get s1_ptr[i]
+ mr %r0,%r5 # umul_ppmm(prod_high,prod_low,s1_ptr[j],s2_limb)
+ jnm .L1
+ alr %r0,%r5
+.L1: ltr %r5,%r5
+ jnm .L2
+ al %r0,0(%r3)
+.L2: alr %r1,%r6 # prod_low += cy_limb
+ lr %r6,%r0 # cy_limb = prod_high
+ brc 12,.L3
+ ahi %r6,1 # + (prod_low < cy_limb)
+.L3: st %r1,0(%r2)
+ la %r2,4(0,%r2)
+ la %r3,4(0,%r3)
+ brct %r4,.L0
+ lr %r2,%r6 # return cy_limb
+ l %r6,24(%r15)
+.Lexit: br %r14
+END(__mpn_mul_1)
diff --git a/sysdeps/s390/s390-mcount.S b/sysdeps/s390/s390-mcount.S
new file mode 100644
index 0000000000..e7c16b7052
--- /dev/null
+++ b/sysdeps/s390/s390-mcount.S
@@ -0,0 +1,84 @@
+/* S/390-specific implemetation of profiling support.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com)
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sysdep.h>
+
+/*
+ * How profiling works on S/390:
+ * On the start of each function _mcount is called with the address of a
+ * data word in %r1 (initialized to 0, used for counting). The compiler
+ * with the option -p generates code of the form:
+ *
+ * STM 6,15,24(15)
+ * BRAS 13,.LTN0_0
+ * .LT0_0:
+ * .LC12: .long _mcount
+ * .LC13: .long .LP0
+ * .data
+ * .align 4
+ * .LP0: .long 0
+ * .text
+ * # function profiler
+ * st 14,4(15)
+ * l 14,.LC12-.LT0_0(13)
+ * l 1,.LC13-.LT0_0(13)
+ * basr 14,14
+ * l 14,4(15)
+ *
+ * The _mcount implementation now has to call __mcount_internal with the
+ * address of .LP0 as first parameter and the return address as second
+ * parameter. &.LP0 was loaded to %r1 and the return address is in %r14.
+ * _mcount may not modify any register.
+ */
+
+ ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(_mcount)
+ ASM_TYPE_DIRECTIVE(C_SYMBOL_NAME(_mcount), @function)
+ .align ALIGNARG(4)
+C_LABEL(_mcount)
+ /* Save the caller-clobbered registers. */
+ ahi %r15,-128
+ stm %r14,%r5,96(%r15)
+ l %r2,132(%r15) # callers address = first parameter
+ la %r2,0(%r2) # clear bit 0
+ la %r3,0(%r14) # callees address = second parameter
+
+#ifdef PIC
+ bras %r14,0f
+ .long _GLOBAL_OFFSET_TABLE_-.
+0: al %r14,0(%r14)
+ l %r14,__mcount_internal@GOT(%r14)
+#else
+ bras %r14,0f
+ .long __mcount_internal
+0: l %r14,0(%r14)
+#endif
+ basr %r14,%r14
+
+ /*
+ * Pop the saved registers. Please note that `mcount' has no
+ * return value.
+ */
+ lm %r14,%r5,96(%r15)
+ ahi %r15,128
+ br %r14
+ ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(_mcount))
+
+#undef mcount
+weak_alias(_mcount, mcount)
diff --git a/sysdeps/s390/setjmp.S b/sysdeps/s390/setjmp.S
new file mode 100644
index 0000000000..af3d3601f4
--- /dev/null
+++ b/sysdeps/s390/setjmp.S
@@ -0,0 +1,55 @@
+/*
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _ASM
+#define _ASM
+#endif
+
+#include <sysdep.h>
+#include <bits/setjmp.h>
+
+/* Save the current program position in ENV and return 0. */
+/* R2 = pointer to jmp_buf, R3 = savemask */
+
+/* Binary compatibility entry point. */
+
+ENTRY(__setjmp)
+ sr %r3,%r3 /* set savemask to zero */
+END (__setjmp)
+
+ENTRY(__sigsetjmp)
+ stm %r6,%r15,0(%r2) /* store registers in jmp_buf */
+#ifdef PIC
+ /* We cannot use the PLT, because it requires that %r12 be set, but
+ we can't save and restore our caller's value. Instead, we do an
+ indirect jump through the GOT. */
+ basr %r1,0
+.L0: al %r1,.L1 - .L0(0,%r1) /* get address of global offset table */
+ /* get address of __sigjmp_save from got */
+ l %r1,__sigjmp_save@GOT12(0,%r1)
+ br %r1
+.L1: .long _GLOBAL_OFFSET_TABLE_ - .L0
+#else
+ basr %r1,0
+.L0: l %r1,.L1-.L0(0,%r1) /* load address of __sigjmp_save */
+ br %r1 /* tail-call __sigjmp_save */
+.L1: .long __sigjmp_save
+#endif
+END (__sigsetjmp)
diff --git a/sysdeps/s390/stackinfo.h b/sysdeps/s390/stackinfo.h
new file mode 100644
index 0000000000..f1bd9bd5e7
--- /dev/null
+++ b/sysdeps/s390/stackinfo.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* This file contains a bit of information about the stack allocation
+ of the processor. */
+
+#ifndef _STACKINFO_H
+#define _STACKINFO_H 1
+
+/* On s390 the stack grows down. */
+#define _STACK_GROWS_DOWN 1
+
+#endif /* stackinfo.h */
diff --git a/sysdeps/s390/strcpy.S b/sysdeps/s390/strcpy.S
new file mode 100644
index 0000000000..fedefd8f31
--- /dev/null
+++ b/sysdeps/s390/strcpy.S
@@ -0,0 +1,36 @@
+/* strcpy - copy a string from source to destination. For IBM S390
+ This file is part of the GNU C Library.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+ The GNU C Library is free software ; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation ; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY ; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * R2 = address of destination
+ * R3 = address of source
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ .text
+ENTRY(strcpy)
+ slr %r0,%r0
+ lr %r1,%r2
+0: mvst %r1,%r3
+ jo 0b
+ br %r14
+END(strcpy)
diff --git a/sysdeps/s390/strncpy.S b/sysdeps/s390/strncpy.S
new file mode 100644
index 0000000000..823eeb4f5e
--- /dev/null
+++ b/sysdeps/s390/strncpy.S
@@ -0,0 +1,79 @@
+/* strncpy - copy at most n characters from a string from source to
+ destination. For IBM S390
+ This file is part of the GNU C Library.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+ The GNU C Library is free software ; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation ; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY ; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * R2 = address of destination (dst)
+ * R3 = address of source (src)
+ * R4 = max of bytes to copy
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ENTRY(strncpy)
+ .text
+ st %r2,24(%r15) # save dst pointer
+ slr %r2,%r3 # %r3 points to src, %r2+%r3 to dst
+ lhi %r1,3
+ nr %r1,%r4 # last 2 bits of # bytes
+ srl %r4,2
+ ltr %r4,%r4 # less than 4 bytes to copy ?
+ jz .L1
+ bras %r5,.L0 # enter loop & load address of a 0
+ .long 0
+.L0: icm %r0,8,0(%r3) # first byte
+ jz .L3
+ icm %r0,4,1(%r3) # second byte
+ jz .L4
+ icm %r0,2,2(%r3) # third byte
+ jz .L5
+ icm %r0,1,3(%r3) # fourth byte
+ jz .L6
+ st %r0,0(%r2,%r3) # store all four to dest.
+ la %r3,4(%r3)
+ brct %r4,.L0
+.L1: ltr %r1,%r1
+ jz .Lexit
+.L2: icm %r0,1,0(%r3)
+ stc %r0,0(%r2,%r3)
+ la %r3,1(%r3)
+ jz .L7
+ brct %r1,.L2
+ j .Lexit
+.L3: icm %r0,4,0(%r5)
+.L4: icm %r0,2,0(%r5)
+.L5: icm %r0,1,0(%r5)
+.L6: st %r0,0(%r2,%r3)
+ la %r3,4(%r3)
+ ahi %r4,-1
+ j .L8
+.L7: ahi %r1,-1
+.L8: sll %r4,2
+ alr %r4,%r1
+ alr %r2,%r3 # start of dst area to be zeroed
+ lr %r3,%r4
+ slr %r4,%r4
+ slr %r5,%r5
+.L9: mvcle %r2,%r4,0 # pad dst with zeroes
+ jo .L9
+.Lexit: l %r2,24(%r15) # return dst pointer
+ br %r14
+END(strncpy)
diff --git a/sysdeps/s390/sub_n.S b/sysdeps/s390/sub_n.S
new file mode 100644
index 0000000000..5eee0fb13d
--- /dev/null
+++ b/sysdeps/s390/sub_n.S
@@ -0,0 +1,62 @@
+/* i80386 __mpn_sub_n -- Add two limb vectors of the same length > 0 and store
+ sum in a third limb vector.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU MP Library.
+
+ The GNU MP Library is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Library General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or (at your
+ option) any later version.
+
+ The GNU MP Library is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
+ License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with the GNU MP Library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
+
+/*
+ INPUT PARAMETERS
+ res_ptr %r2
+ s1_ptr %r3
+ s2_ptr %r4
+ size %r5
+*/
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+ENTRY(__mpn_sub_n)
+ st %r6,24(%r15) # save register 6
+ sr %r1,%r1
+ lhi %r0,1 # cannot use ahi to add carry, use slr
+.L0: l %r6,0(%r1,%r3) # .L0 -> no carry from last sub
+ sl %r6,0(%r1,%r4)
+ st %r6,0(%r1,%r2)
+ la %r1,4(0,%r1)
+ brc 4,.L3
+.L1: brct %r5,.L0
+ slr %r2,%r2 # no last carry to return
+ j .Lexit
+.L2: l %r6,0(%r1,%r3) # .L2 -> carry from last sub
+ sl %r6,0(%r1,%r4)
+ brc 4,.L4
+ slr %r6,%r0 # no carry yet, add carry from last sub
+ st %r6,0(%r1,%r2)
+ la %r1,4(0,%r1)
+ brc 11,.L1 # new carry ?
+.L3: brct %r5,.L2
+ lr %r2,%r0 # return last carry
+ j .Lexit
+.L4: slr %r6,%r0 # already a carry, add carry from last sub
+ st %r6,0(%r1,%r2)
+ la %r1,4(0,%r1)
+ brct %r5,.L2
+ lr %r2,%r0 # return last carry
+.Lexit: l %r6,24(%r15) # restore register 6
+ br %r14
+END(__mpn_sub_n)
diff --git a/sysdeps/s390/sys/ucontext.h b/sysdeps/s390/sys/ucontext.h
new file mode 100644
index 0000000000..c00bb5c786
--- /dev/null
+++ b/sysdeps/s390/sys/ucontext.h
@@ -0,0 +1,95 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* System V/s390 ABI compliant context switching support. */
+
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H 1
+
+#include <features.h>
+#include <signal.h>
+
+/* Type for general register. */
+typedef int greg_t;
+
+/* Number of general registers. */
+#define NGREG 16
+
+/* Number of each register is the `greg_t gregs[NREG]' array. */
+enum
+{
+ R_GPR0 = 0,
+#define R_GPR0 R_GPR0
+ R_GPR1 = 1,
+#define R_GPR1 R_GPR1
+ R_GPR2 = 2,
+#define R_GPR2 R_GPR2
+ R_GPR3 = 3,
+#define R_GPR3 R_GPR3
+ R_GPR4 = 4,
+#define R_GPR4 R_GPR4
+ R_GPR5 = 5,
+#define R_GPR5 R_GPR5
+ R_GPR6 = 6,
+#define R_GPR6 R_GPR6
+ R_GPR7 = 7,
+#define R_GPR7 R_GPR7
+ R_GPR8 = 8,
+#define R_GPR8 R_GPR8
+ R_GPR9 = 9,
+#define R_GPR9 R_GPR9
+ R_GPRA = 10,
+#define R_GPRA R_GPRA
+ R_GPRB = 11,
+#define R_GPRB R_GPRB
+ R_GPRC = 12,
+#define R_GPRC R_GPRC
+ R_GPRD = 13,
+#define R_GPRD R_GPRD
+ R_GPRE = 14,
+#define R_GPRE R_GPRE
+ R_GPRF = 15
+#define R_GPRF R_GPRF
+};
+
+/* Structure to describe FPU registers. */
+typedef long long fpreg_t;
+
+/* Context to describe whole processor state. */
+typedef struct
+{
+ int version;
+ greg_t gregs[NGREG];
+ fpreg_t fpregs[16];
+} mcontext_t;
+
+#define MCONTEXT_VERSION 1
+
+/* Userlevel context. */
+typedef struct ucontext
+{
+ unsigned long int uc_flags;
+ struct ucontext *uc_links;
+ __sigset_t uc_sigmask;
+ stack_t uc_stack;
+ mcontext_t uc_mcontext;
+ long int uc_filler[170];
+} ucontext_t;
+
+#endif /* sys/ucontext.h */
diff --git a/sysdeps/s390/sysdep.h b/sysdeps/s390/sysdep.h
new file mode 100644
index 0000000000..6915379de4
--- /dev/null
+++ b/sysdeps/s390/sysdep.h
@@ -0,0 +1,121 @@
+/* Assembler macros for s390.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sysdeps/generic/sysdep.h>
+
+#ifdef __ASSEMBLER__
+
+/* Syntactic details of assembler. */
+
+#ifdef HAVE_ELF
+
+/* ELF uses byte-counts for .align, most others use log2 of count of bytes. */
+#define ALIGNARG(log2) 1<<log2
+/* For ELF we need the `.type' directive to make shared libs work right. */
+#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg;
+#define ASM_SIZE_DIRECTIVE(name) .size name,.-name;
+
+/* In ELF C symbols are asm symbols. */
+#undef NO_UNDERSCORES
+#define NO_UNDERSCORES
+
+#else
+
+#define ALIGNARG(log2) log2
+#define ASM_TYPE_DIRECTIVE(name,type) /* Nothing is specified. */
+#define ASM_SIZE_DIRECTIVE(name) /* Nothing is specified. */
+
+#endif
+
+
+/* Define an entry point visible from C. */
+#define ENTRY(name) \
+ ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
+ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
+ .align ALIGNARG(2); \
+ C_LABEL(name) \
+ CALL_MCOUNT
+
+#undef END
+#define END(name) \
+ ASM_SIZE_DIRECTIVE(name) \
+
+/* If compiled for profiling, call `mcount' at the start of each function. */
+#ifdef PROF
+#ifdef PIC
+#define CALL_MCOUNT \
+ lr 0,14 ; bras 14,.+12 ; .long _GLOBAL_OFFSET_TABLE_ - . ; .long 0f-. ; \
+ lr 1,14 ; al 1,4(14) ; al 14,0(14) ; l 14,_mcount@GOT(14) ; \
+ basr 14,14 ; lr 14,0 ; .data ; .align 4 ; 0: .long 0 ; .text ;
+#else
+#define CALL_MCOUNT \
+ lr 0,14 ; bras 14,.+12 ; .long _mcount ; .long 0f ; \
+ l 1,4(14) ; l 14,0(14) ; basr 14,14 ; lr 14,0 ; \
+ .data ; .align 4 ; 0: .long 0 ; .text ;
+#endif
+#else
+#define CALL_MCOUNT /* Do nothing. */
+#endif
+
+#ifdef NO_UNDERSCORES
+/* Since C identifiers are not normally prefixed with an underscore
+ on this system, the asm identifier `syscall_error' intrudes on the
+ C name space. Make sure we use an innocuous name. */
+#define syscall_error __syscall_error
+#define mcount _mcount
+#endif
+
+#define PSEUDO(name, syscall_name, args) \
+lose: SYSCALL_PIC_SETUP \
+ JUMPTARGET(syscall_error) \
+ .globl syscall_error; \
+ ENTRY (name) \
+ DO_CALL (syscall_name, args); \
+ jm lose
+
+#undef PSEUDO_END
+#define PSEUDO_END(name) \
+ END (name)
+
+#ifdef PIC
+#define JUMPTARGET(name) \
+ basr %r1,0 \
+0: al %r1,1f-0b(0,%r1) \
+ br %r1 \
+1: .long name##@PLT - 0b
+#define SYSCALL_PIC_SETUP \
+ bras %r12,1f \
+0: .long _GLOBAL_OFFSET_TABLE_-0b \
+1: al %r12,0(%r12)
+#else
+#define JUMPTARGET(name) \
+ basr %r1,0 \
+0: al %r1,1f-0b(0,%r1) \
+ br %r1 \
+1: .long name - 0b
+#define SYSCALL_PIC_SETUP /* Nothing. */
+#endif
+
+/* Local label name for asm code. */
+#ifndef L
+#define L(name) name
+#endif
+
+#endif /* __ASSEMBLER__ */
diff --git a/sysdeps/unix/sysv/linux/s390/Dist b/sysdeps/unix/sysv/linux/s390/Dist
new file mode 100644
index 0000000000..eaf8731d34
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/Dist
@@ -0,0 +1,9 @@
+clone.S
+setresuid.c
+setresgid.c
+setfsuid.c
+setfsgid.c
+sys/elf.h
+sys/perm.h
+sys/procfs.h
+sys/user.h
diff --git a/sysdeps/unix/sysv/linux/s390/Makefile b/sysdeps/unix/sysv/linux/s390/Makefile
new file mode 100644
index 0000000000..7ca98f0ebe
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/Makefile
@@ -0,0 +1,4 @@
+ifeq ($(subdir),misc)
+sysdep_routines += setfsgid setfsuid setresgid setresuid
+sysdep_headers += sys/elf.h sys/reg.h
+endif
diff --git a/sysdeps/unix/sysv/linux/s390/bits/fcntl.h b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h
new file mode 100644
index 0000000000..a54784a977
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h
@@ -0,0 +1,151 @@
+/* O_*, F_*, FD_* bit values for Linux.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _FCNTL_H
+# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+
+#include <sys/types.h>
+
+/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
+ located on an ext2 file system */
+#define O_ACCMODE 0003
+#define O_RDONLY 00
+#define O_WRONLY 01
+#define O_RDWR 02
+#define O_CREAT 0100 /* not fcntl */
+#define O_EXCL 0200 /* not fcntl */
+#define O_NOCTTY 0400 /* not fcntl */
+#define O_TRUNC 01000 /* not fcntl */
+#define O_APPEND 02000
+#define O_NONBLOCK 04000
+#define O_NDELAY O_NONBLOCK
+#define O_SYNC 010000
+#define O_FSYNC O_SYNC
+#define O_ASYNC 020000
+
+#ifdef __USE_GNU
+# define O_DIRECT 040000 /* Direct disk access. */
+# define O_DIRECTORY 0200000 /* Must be a directory. */
+# define O_NOFOLLOW 0400000 /* Do not follow links. */
+#endif
+
+/* For now Linux has synchronisity options for data and read operations.
+ We define the symbols here but let them do the same as O_SYNC since
+ this is a superset. */
+#if defined __USE_POSIX199309 || defined __USE_UNIX98
+# define O_DSYNC O_SYNC /* Synchronize data. */
+# define O_RSYNC O_SYNC /* Synchronize read operations. */
+#endif
+
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE 0100000
+#endif
+
+/* Values for the second argument to `fcntl'. */
+#define F_DUPFD 0 /* Duplicate file descriptor. */
+#define F_GETFD 1 /* Get file descriptor flags. */
+#define F_SETFD 2 /* Set file descriptor flags. */
+#define F_GETFL 3 /* Get file status flags. */
+#define F_SETFL 4 /* Set file status flags. */
+#define F_GETLK 5 /* Get record locking info. */
+#define F_SETLK 6 /* Set record locking info (non-blocking). */
+#define F_SETLKW 7 /* Set record locking info (blocking). */
+
+/* XXX missing */
+#define F_GETLK64 5 /* Get record locking info. */
+#define F_SETLK64 6 /* Set record locking info (non-blocking). */
+#define F_SETLKW64 7 /* Set record locking info (blocking). */
+
+#if defined __USE_BSD || defined __USE_XOPEN2K
+# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
+# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETSIG 10 /* Set number of signal to be sent. */
+# define F_GETSIG 11 /* Get number of signal to be sent. */
+#endif
+
+/* For F_[GET|SET]FL. */
+#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
+
+/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
+#define F_RDLCK 0 /* Read lock. */
+#define F_WRLCK 1 /* Write lock. */
+#define F_UNLCK 2 /* Remove lock. */
+
+/* for old implementation of bsd flock () */
+#define F_EXLCK 4 /* or 3 */
+#define F_SHLCK 8 /* or 4 */
+
+#ifdef __USE_BSD
+/* operations for bsd flock(), also used by the kernel implementation */
+# define LOCK_SH 1 /* shared lock */
+# define LOCK_EX 2 /* exclusive lock */
+# define LOCK_NB 4 /* or'd with one of the above to prevent
+ blocking */
+# define LOCK_UN 8 /* remove lock */
+#endif
+
+struct flock
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+#ifndef __USE_FILE_OFFSET64
+ __off_t l_start; /* Offset where the lock begins. */
+ __off_t l_len; /* Size of the locked area; zero means until EOF. */
+#else
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+#endif
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+
+#ifdef __USE_LARGEFILE64
+struct flock64
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+#endif
+
+/* Define some more compatibility macros to be backward compatible with
+ BSD systems which did not managed to hide these kernel macros. */
+#ifdef __USE_BSD
+# define FAPPEND O_APPEND
+# define FFSYNC O_FSYNC
+# define FASYNC O_ASYNC
+# define FNONBLOCK O_NONBLOCK
+# define FNDELAY O_NDELAY
+#endif /* Use BSD. */
+
+/* Advise to `posix_fadvise'. */
+#ifdef __USE_XOPEN2K
+# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
+# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
+# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
+# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
+# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
+# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
+#endif
diff --git a/sysdeps/unix/sysv/linux/s390/bits/mman.h b/sysdeps/unix/sysv/linux/s390/bits/mman.h
new file mode 100644
index 0000000000..70069e9f06
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/bits/mman.h
@@ -0,0 +1,93 @@
+/* Definitions for POSIX memory map interface. Linux/s390 version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_MMAN_H
+# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
+#endif
+
+/* The following definitions basically come from the kernel headers.
+ But the kernel header is not namespace clean. */
+
+
+/* Protections are chosen from these bits, OR'd together. The
+ implementation does not necessarily support PROT_EXEC or PROT_WRITE
+ without PROT_READ. The only guarantees are that no writing will be
+ allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */
+
+#define PROT_READ 0x1 /* Page can be read. */
+#define PROT_WRITE 0x2 /* Page can be written. */
+#define PROT_EXEC 0x4 /* Page can be executed. */
+#define PROT_NONE 0x0 /* Page can not be accessed. */
+
+/* Sharing types (must choose one and only one of these). */
+#define MAP_SHARED 0x01 /* Share changes. */
+#define MAP_PRIVATE 0x02 /* Changes are private. */
+#ifdef __USE_MISC
+# define MAP_TYPE 0x0f /* Mask for type of mapping. */
+#endif
+
+/* Other flags. */
+#define MAP_FIXED 0x10 /* Interpret addr exactly. */
+#ifdef __USE_MISC
+# define MAP_FILE 0
+# define MAP_ANONYMOUS 0x20 /* Don't use a file. */
+# define MAP_ANON MAP_ANONYMOUS
+#endif
+
+/* These are Linux-specific. */
+#ifdef __USE_MISC
+# define MAP_GROWSDOWN 0x0100 /* Stack-like segment. */
+# define MAP_DENYWRITE 0x0800 /* ETXTBSY */
+# define MAP_EXECUTABLE 0x1000 /* Mark it as an executable. */
+# define MAP_LOCKED 0x2000 /* Lock the mapping. */
+# define MAP_NORESERVE 0x4000 /* Don't check for reservations. */
+#endif
+
+/* Flags to `msync'. */
+#define MS_ASYNC 1 /* Sync memory asynchronously. */
+#define MS_SYNC 4 /* Synchronous memory sync. */
+#define MS_INVALIDATE 2 /* Invalidate the caches. */
+
+/* Flags for `mlockall'. */
+#define MCL_CURRENT 1 /* Lock all currently mapped pages. */
+#define MCL_FUTURE 2 /* Lock all additions to address
+ space. */
+
+/* Flags for `mremap'. */
+#ifdef __USE_GNU
+# define MREMAP_MAYMOVE 1
+#endif
+
+/* Advice to `madvise'. */
+#ifdef __USE_BSD
+# define MADV_NORMAL 0 /* No further special treatment. */
+# define MADV_RANDOM 1 /* Expect random page references. */
+# define MADV_SEQUENTIAL 2 /* Expect sequential page references. */
+# define MADV_WILLNEED 3 /* Will need these pages. */
+# define MADV_DONTNEED 4 /* Don't need these pages. */
+#endif
+
+/* The POSIX people had to invent similar names for the same things. */
+#ifdef __USE_XOPEN2K
+# define POSIX_MADV_NORMAL 0 /* No further special treatment. */
+# define POSIX_MADV_RANDOM 1 /* Expect random page references. */
+# define POSIX_MADV_SEQUENTIAL 2 /* Expect sequential page references. */
+# define POSIX_MADV_WILLNEED 3 /* Will need these pages. */
+# define POSIX_MADV_DONTNEED 4 /* Don't need these pages. */
+#endif
diff --git a/sysdeps/unix/sysv/linux/s390/bits/resource.h b/sysdeps/unix/sysv/linux/s390/bits/resource.h
new file mode 100644
index 0000000000..8dd3972a4b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/bits/resource.h
@@ -0,0 +1,205 @@
+/* Bit values & structures for resource limits. Linux version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_RESOURCE_H
+# error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
+#endif
+
+#include <bits/types.h>
+
+/* Transmute defines to enumerations. The macro re-definitions are
+ necessary because some programs want to test for operating system
+ features with #ifdef RUSAGE_SELF. In ISO C the reflexive
+ definition is a no-op. */
+
+/* Kinds of resource limit. */
+enum __rlimit_resource
+{
+ /* Per-process CPU limit, in seconds. */
+ RLIMIT_CPU = 0,
+#define RLIMIT_CPU RLIMIT_CPU
+
+ /* Largest file that can be created, in bytes. */
+ RLIMIT_FSIZE = 1,
+#define RLIMIT_FSIZE RLIMIT_FSIZE
+
+ /* Maximum size of data segment, in bytes. */
+ RLIMIT_DATA = 2,
+#define RLIMIT_DATA RLIMIT_DATA
+
+ /* Maximum size of stack segment, in bytes. */
+ RLIMIT_STACK = 3,
+#define RLIMIT_STACK RLIMIT_STACK
+
+ /* Largest core file that can be created, in bytes. */
+ RLIMIT_CORE = 4,
+#define RLIMIT_CORE RLIMIT_CORE
+
+ /* Largest resident set size, in bytes.
+ This affects swapping; processes that are exceeding their
+ resident set size will be more likely to have physical memory
+ taken from them. */
+ RLIMIT_RSS = 5,
+#define RLIMIT_RSS RLIMIT_RSS
+
+ /* Number of open files. */
+ RLIMIT_NOFILE = 7,
+ RLIMIT_OFILE = RLIMIT_NOFILE, /* BSD name for same. */
+#define RLIMIT_NOFILE RLIMIT_NOFILE
+#define RLIMIT_OFILE RLIMIT_OFILE
+
+ /* Address space limit. */
+ RLIMIT_AS = 9,
+#define RLIMIT_AS RLIMIT_AS
+
+ /* Number of processes. */
+ RLIMIT_NPROC = 6,
+#define RLIMIT_NPROC RLIMIT_NPROC
+
+ /* Locked-in-memory address space. */
+ RLIMIT_MEMLOCK = 8,
+#define RLIMIT_MEMLOCK RLIMIT_MEMLOCK
+
+ RLIMIT_NLIMITS = 10,
+ RLIM_NLIMITS = RLIMIT_NLIMITS
+#define RLIMIT_NLIMITS RLIMIT_NLIMITS
+#define RLIM_NLIMITS RLIM_NLIMITS
+};
+
+/* Value to indicate that there is no limit. */
+#ifndef __USE_FILE_OFFSET64
+# define RLIM_INFINITY ((unsigned long int) (~0UL))
+#else
+# define RLIM_INFINITY 0xffffffffffffffffuLL
+#endif
+
+#ifdef __USE_LARGEFILE64
+# define RLIM64_INFINITY 0xffffffffffffffffuLL
+#endif
+
+/* We can represent all limits. */
+#define RLIM_SAVED_MAX RLIM_INFINITY
+#define RLIM_SAVED_CUR RLIM_INFINITY
+
+
+/* Type for resource quantity measurement. */
+#ifndef __USE_FILE_OFFSET64
+typedef __rlim_t rlim_t;
+#else
+typedef __rlim64_t rlim_t;
+#endif
+#ifdef __USE_LARGEFILE64
+typedef __rlim64_t rlim64_t;
+#endif
+
+struct rlimit
+ {
+ /* The current (soft) limit. */
+ rlim_t rlim_cur;
+ /* The hard limit. */
+ rlim_t rlim_max;
+ };
+
+#ifdef __USE_LARGEFILE64
+struct rlimit64
+ {
+ /* The current (soft) limit. */
+ rlim64_t rlim_cur;
+ /* The hard limit. */
+ rlim64_t rlim_max;
+ };
+#endif
+
+/* Whose usage statistics do you want? */
+enum __rusage_who
+{
+ /* The calling process. */
+ RUSAGE_SELF = 0,
+#define RUSAGE_SELF RUSAGE_SELF
+
+ /* All of its terminated child processes. */
+ RUSAGE_CHILDREN = -1,
+#define RUSAGE_CHILDREN RUSAGE_CHILDREN
+
+ /* Both. */
+ RUSAGE_BOTH = -2
+#define RUSAGE_BOTH RUSAGE_BOTH
+};
+
+#define __need_timeval
+#include <bits/time.h> /* For `struct timeval'. */
+
+/* Structure which says how much of each resource has been used. */
+struct rusage
+ {
+ /* Total amount of user time used. */
+ struct timeval ru_utime;
+ /* Total amount of system time used. */
+ struct timeval ru_stime;
+ /* Maximum resident set size (in kilobytes). */
+ long int ru_maxrss;
+ /* Amount of sharing of text segment memory
+ with other processes (kilobyte-seconds). */
+ long int ru_ixrss;
+ /* Amount of data segment memory used (kilobyte-seconds). */
+ long int ru_idrss;
+ /* Amount of stack memory used (kilobyte-seconds). */
+ long int ru_isrss;
+ /* Number of soft page faults (i.e. those serviced by reclaiming
+ a page from the list of pages awaiting reallocation. */
+ long int ru_minflt;
+ /* Number of hard page faults (i.e. those that required I/O). */
+ long int ru_majflt;
+ /* Number of times a process was swapped out of physical memory. */
+ long int ru_nswap;
+ /* Number of input operations via the file system. Note: This
+ and `ru_oublock' do not include operations with the cache. */
+ long int ru_inblock;
+ /* Number of output operations via the file system. */
+ long int ru_oublock;
+ /* Number of IPC messages sent. */
+ long int ru_msgsnd;
+ /* Number of IPC messages received. */
+ long int ru_msgrcv;
+ /* Number of signals delivered. */
+ long int ru_nsignals;
+ /* Number of voluntary context switches, i.e. because the process
+ gave up the process before it had to (usually to wait for some
+ resource to be available). */
+ long int ru_nvcsw;
+ /* Number of involuntary context switches, i.e. a higher priority process
+ became runnable or the current process used up its time slice. */
+ long int ru_nivcsw;
+ };
+
+/* Priority limits. */
+#define PRIO_MIN -20 /* Minimum priority a process can have. */
+#define PRIO_MAX 20 /* Maximum priority a process can have. */
+
+/* The type of the WHICH argument to `getpriority' and `setpriority',
+ indicating what flavor of entity the WHO argument specifies. */
+enum __priority_which
+{
+ PRIO_PROCESS = 0, /* WHO is a process ID. */
+#define PRIO_PROCESS PRIO_PROCESS
+ PRIO_PGRP = 1, /* WHO is a process group ID. */
+#define PRIO_PGRP PRIO_PGRP
+ PRIO_USER = 2 /* WHO is a user ID. */
+#define PRIO_USER PRIO_USER
+};
diff --git a/sysdeps/unix/sysv/linux/s390/bits/time.h b/sysdeps/unix/sysv/linux/s390/bits/time.h
new file mode 100644
index 0000000000..dd1b0512b2
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/bits/time.h
@@ -0,0 +1,79 @@
+/* System-dependent timing definitions. Linux version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * Never include this file directly; use <time.h> instead.
+ */
+
+#ifndef __need_timeval
+# ifndef _BITS_TIME_H
+# define _BITS_TIME_H 1
+
+/* ISO/IEC 9899:1990 7.12.1: <time.h>
+ The macro `CLOCKS_PER_SEC' is the number per second of the value
+ returned by the `clock' function. */
+/* CAE XSH, Issue 4, Version 2: <time.h>
+ The value of CLOCKS_PER_SEC is required to be 1 million on all
+ XSI-conformant systems. */
+# define CLOCKS_PER_SEC 1000000
+
+# ifndef __STRICT_ANSI__
+/* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
+ presents the real value for clock ticks per second for the system. */
+# define CLK_TCK 100
+# endif
+
+/* Clock ID used in clock and timer functions. */
+typedef int __clockid_t;
+
+/* Timer ID returned by `timer_create'. */
+typedef int __timer_t;
+
+# ifdef __USE_POSIX199309
+/* Identifier for system-wide realtime clock. */
+# define CLOCK_REALTIME 0
+/* Monotonic clock. */
+# define CLOCK_MONOTONIC 1
+/* High-resolution timer from the CPU. */
+# define CLOCK_PROCESS_CPUTIME_ID 2
+/* Thread-specific CPU-time clock. */
+# define CLOCK_THREAD_CPUTIME_ID 3
+
+/* Flag to indicate time is absolute. */
+# define TIMER_ABSTIME 1
+# endif
+
+# endif /* bits/time.h */
+#endif
+
+#ifdef __need_timeval
+# undef __need_timeval
+# ifndef _STRUCT_TIMEVAL
+# define _STRUCT_TIMEVAL 1
+# include <bits/types.h>
+
+/* A time value that is accurate to the nearest
+ microsecond but also has a range of years. */
+struct timeval
+ {
+ __time_t tv_sec; /* Seconds. */
+ __suseconds_t tv_usec; /* Microseconds. */
+ };
+# endif /* struct timeval */
+#endif /* need timeval */
diff --git a/sysdeps/unix/sysv/linux/s390/brk.c b/sysdeps/unix/sysv/linux/s390/brk.c
new file mode 100644
index 0000000000..fe22f382ef
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/brk.c
@@ -0,0 +1,57 @@
+/*
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sysdep.h>
+
+void *__curbrk = 0;
+
+/* Old braindamage in GCC's crtstuff.c requires this symbol in an attempt
+ to work around different old braindamage in the old Linux/x86 ELF
+ dynamic linker. Sigh. */
+weak_alias (__curbrk, ___brk_addr)
+
+int
+__brk (void *addr)
+{
+ void *newbrk;
+
+ {
+ register long r0 asm ("2");
+ register void *__addr asm("2") = addr;
+
+ asm ("svc %b1\n\t" /* call sys_brk */
+ : "=d" (r0)
+ : "I" (SYS_ify(brk)), "r" (__addr)
+ : _svc_clobber );
+ newbrk = (void *) r0;
+ }
+ __curbrk = newbrk;
+
+ if (newbrk < addr)
+ {
+ __set_errno (ENOMEM);
+ return -1;
+ }
+
+ return 0;
+}
+weak_alias (__brk, brk)
diff --git a/sysdeps/unix/sysv/linux/s390/clone.S b/sysdeps/unix/sysv/linux/s390/clone.S
new file mode 100644
index 0000000000..bde800d3b2
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/clone.S
@@ -0,0 +1,66 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* clone is even more special than fork as it mucks with stacks
+ and invokes a function in the right context after its all over. */
+
+#include <sysdep.h>
+#define _ERRNO_H 1
+#include <bits/errno.h>
+
+/*int __clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg);*/
+/* sys_clone(void *child_stack, unsigned long flags) */
+
+ .text
+ENTRY(__clone)
+ /* Sanity check arguments & move registers */
+ ltr %r1,%r2 /* no NULL function pointers */
+ lhi %r2,-EINVAL
+ jz SYSCALL_ERROR_LABEL
+ ltr %r3,%r3 /* no NULL stack pointers */
+ jz SYSCALL_ERROR_LABEL
+ /* move child_stack and flags, then call SVC */
+ lr %r2,%r3
+ lr %r3,%r4
+ svc SYS_ify(clone)
+ ltr %r2,%r2 /* check return code */
+ jm SYSCALL_ERROR_LABEL
+ jz thread_start
+ br %r14
+
+thread_start:
+ /* fn is in gpr 1, arg in gpr 5 */
+ lr %r2,%r5 /* set first parameter to void *arg */
+ sr %r11,%r11 /* terminate the stack frame */
+ ahi %r15,-96 /* make room on the stack for the save area */
+ basr %r14,%r1 /* jump to fn */
+#ifdef PIC
+ basr %r12,0
+.L0: lr %r1,%r12
+ al %r12,.L1-.L0(%r12)
+ al %r1,.L2-.L0(%r1)
+ br %r1 /* branch to _exit -> thread termination */
+.L1: .long _GLOBAL_OFFSET_TABLE_ - .L0
+.L2: .long _exit@PLT - .L0
+#else
+ basr %r1,0
+.L0: al %r1,.L1-.L0(0,%r1)
+ br %r1 /* branch to _exit -> thread termination */
+.L1: .long _exit - .L0
+#endif
+PSEUDO_END (__clone)
diff --git a/sysdeps/unix/sysv/linux/s390/fchown.c b/sysdeps/unix/sysv/linux/s390/fchown.c
new file mode 100644
index 0000000000..3a69ecc9e7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/fchown.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/fchown.c>
diff --git a/sysdeps/unix/sysv/linux/s390/getegid.c b/sysdeps/unix/sysv/linux/s390/getegid.c
new file mode 100644
index 0000000000..37b4b4a530
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/getegid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/getegid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/geteuid.c b/sysdeps/unix/sysv/linux/s390/geteuid.c
new file mode 100644
index 0000000000..ebcb555b5e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/geteuid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/geteuid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/getgid.c b/sysdeps/unix/sysv/linux/s390/getgid.c
new file mode 100644
index 0000000000..0a4d6061f0
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/getgid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/getgid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/getgroups.c b/sysdeps/unix/sysv/linux/s390/getgroups.c
new file mode 100644
index 0000000000..20a7166103
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/getgroups.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/getgroups.c>
diff --git a/sysdeps/unix/sysv/linux/s390/getmsg.c b/sysdeps/unix/sysv/linux/s390/getmsg.c
new file mode 100644
index 0000000000..3a1fa08525
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/getmsg.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/getmsg.c>
diff --git a/sysdeps/unix/sysv/linux/s390/getpmsg.c b/sysdeps/unix/sysv/linux/s390/getpmsg.c
new file mode 100644
index 0000000000..bb65f81bf9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/getpmsg.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/getpmsg.c>
diff --git a/sysdeps/unix/sysv/linux/s390/getresgid.c b/sysdeps/unix/sysv/linux/s390/getresgid.c
new file mode 100644
index 0000000000..b703a414cc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/getresgid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/getresgid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/getresuid.c b/sysdeps/unix/sysv/linux/s390/getresuid.c
new file mode 100644
index 0000000000..0b14cefe34
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/getresuid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/getresuid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/getuid.c b/sysdeps/unix/sysv/linux/s390/getuid.c
new file mode 100644
index 0000000000..d682c79a49
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/getuid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/getuid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/mmap.S b/sysdeps/unix/sysv/linux/s390/mmap.S
new file mode 100644
index 0000000000..0ba58ccf82
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/mmap.S
@@ -0,0 +1,60 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sysdep.h>
+
+ .text
+
+ENTRY(__mmap)
+ /* Save registers and setup stack frame. */
+ stm %r6,%r15,24(%r15)
+ lr %r1,%r15
+ l %r0,4(0,%r15) /* load eos */
+ ahi %r15,-120 /* buy stack space */
+ st %r1,0(0,%r15) /* store back chain */
+ st %r0,4(0,%r15) /* store eos */
+
+ /* Store parameters on stack, because old_mmap
+ * takes only one parameter: a pointer to the parameter area
+ */
+ mvc 0x74(4,%r15),216(%r15) /* move 'offset' */
+ st %r6,0x70(0,%r15) /* store 'fd' */
+ st %r5,0x6C(0,%r15) /* store 'flags' */
+ st %r4,0x68(0,%r15) /* store 'prot' */
+ st %r3,0x64(0,%r15) /* store 'length' */
+ st %r2,0x60(0,%r15) /* store 'start' */
+
+ la %r2,0x60(0,%r15) /* load address of parameter list */
+ /* Do the system call trap. */
+ svc SYS_ify(mmap)
+
+ l %r15,0(0,%r15) /* load back chain */
+ lm %r6,%r15,24(%r15) /* load registers */
+
+ /* check gpr 2 for error */
+ lhi %r0,-4096
+ clr %r2,%r0
+ jnl SYSCALL_ERROR_LABEL
+
+ /* Successful; return the syscall's value. */
+ br %r14
+
+PSEUDO_END (__mmap)
+
+weak_alias (__mmap, mmap)
diff --git a/sysdeps/unix/sysv/linux/s390/msgctl.c b/sysdeps/unix/sysv/linux/s390/msgctl.c
new file mode 100644
index 0000000000..9f9b8431a3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/msgctl.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/msgctl.c>
diff --git a/sysdeps/unix/sysv/linux/s390/profil-counter.h b/sysdeps/unix/sysv/linux/s390/profil-counter.h
new file mode 100644
index 0000000000..33630b9384
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/profil-counter.h
@@ -0,0 +1,27 @@
+/* Low-level statistical profiling support function. Linux/s390 version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <signal.h>
+#include <sigcontextinfo.h>
+
+static void
+profil_counter (int signo, SIGCONTEXT scp)
+{
+ profil_count ((void *) GET_PC (scp));
+}
diff --git a/sysdeps/unix/sysv/linux/s390/putmsg.c b/sysdeps/unix/sysv/linux/s390/putmsg.c
new file mode 100644
index 0000000000..ebc1680ca7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/putmsg.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/putmsg.c>
diff --git a/sysdeps/unix/sysv/linux/s390/putpmsg.c b/sysdeps/unix/sysv/linux/s390/putpmsg.c
new file mode 100644
index 0000000000..fbfa59892a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/putpmsg.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/putpmsg.c>
diff --git a/sysdeps/unix/sysv/linux/s390/register-dump.h b/sysdeps/unix/sysv/linux/s390/register-dump.h
new file mode 100644
index 0000000000..3c859aae88
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/register-dump.h
@@ -0,0 +1,130 @@
+/* Dump registers.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sys/uio.h>
+#include <stdio-common/_itoa.h>
+
+/* We will print the register dump in this format:
+
+ GPR0: XXXXXXXX GPR1: XXXXXXXX GPR2: XXXXXXXX GPR3: XXXXXXXX
+ GPR4: XXXXXXXX GPR5: XXXXXXXX GPR6: XXXXXXXX GPR7: XXXXXXXX
+ GPR8: XXXXXXXX GPR9: XXXXXXXX GPRA: XXXXXXXX GPRB: XXXXXXXX
+ GPRC: XXXXXXXX GPRD: XXXXXXXX GPRE: XXXXXXXX GPRF: XXXXXXXX
+
+ PSW.MASK: XXXXXXXX PSW.ADDR: XXXXXXXX
+
+ ST(0) XXXX XXXXXXXXXXXXXXXX ST(1) XXXX XXXXXXXXXXXXXXXX
+ ST(2) XXXX XXXXXXXXXXXXXXXX ST(3) XXXX XXXXXXXXXXXXXXXX
+ ST(4) XXXX XXXXXXXXXXXXXXXX ST(5) XXXX XXXXXXXXXXXXXXXX
+ ST(6) XXXX XXXXXXXXXXXXXXXX ST(7) XXXX XXXXXXXXXXXXXXXX
+
+ */
+
+static void
+hexvalue (unsigned long int value, char *buf, size_t len)
+{
+ char *cp = _itoa_word (value, buf + len, 16, 0);
+ while (cp > buf)
+ *--cp = '0';
+}
+
+static void
+register_dump (int fd, struct sigcontext *ctx)
+{
+ char regs[19][8];
+ struct iovec iov[40];
+ size_t nr = 0;
+
+#define ADD_STRING(str) \
+ iov[nr].iov_base = (char *) str; \
+ iov[nr].iov_len = strlen (str); \
+ ++nr
+#define ADD_MEM(str, len) \
+ iov[nr].iov_base = str; \
+ iov[nr].iov_len = len; \
+ ++nr
+
+ /* Generate strings of register contents. */
+ hexvalue (ctx->sregs->regs.gprs[0], regs[0], 8);
+ hexvalue (ctx->sregs->regs.gprs[1], regs[1], 8);
+ hexvalue (ctx->sregs->regs.gprs[2], regs[2], 8);
+ hexvalue (ctx->sregs->regs.gprs[3], regs[3], 8);
+ hexvalue (ctx->sregs->regs.gprs[4], regs[4], 8);
+ hexvalue (ctx->sregs->regs.gprs[5], regs[5], 8);
+ hexvalue (ctx->sregs->regs.gprs[6], regs[6], 8);
+ hexvalue (ctx->sregs->regs.gprs[7], regs[7], 8);
+ hexvalue (ctx->sregs->regs.gprs[8], regs[8], 8);
+ hexvalue (ctx->sregs->regs.gprs[9], regs[9], 8);
+ hexvalue (ctx->sregs->regs.gprs[10], regs[10], 8);
+ hexvalue (ctx->sregs->regs.gprs[11], regs[11], 8);
+ hexvalue (ctx->sregs->regs.gprs[12], regs[12], 8);
+ hexvalue (ctx->sregs->regs.gprs[13], regs[13], 8);
+ hexvalue (ctx->sregs->regs.gprs[14], regs[14], 8);
+ hexvalue (ctx->sregs->regs.gprs[15], regs[15], 8);
+ hexvalue (ctx->sregs->regs.psw.mask, regs[16], 8);
+ hexvalue (ctx->sregs->regs.psw.addr, regs[17], 8);
+
+ /* Generate the output. */
+ ADD_STRING ("Register dump:\n\n GPR0: ");
+ ADD_MEM (regs[0], 8);
+ ADD_STRING (" GPR1: ");
+ ADD_MEM (regs[1], 8);
+ ADD_STRING (" GPR2: ");
+ ADD_MEM (regs[2], 8);
+ ADD_STRING (" GPR3: ");
+ ADD_MEM (regs[3], 8);
+ ADD_STRING ("\n GPR4: ");
+ ADD_MEM (regs[4], 8);
+ ADD_STRING (" GPR5: ");
+ ADD_MEM (regs[5], 8);
+ ADD_STRING (" GPR6: ");
+ ADD_MEM (regs[6], 8);
+ ADD_STRING (" GPR7: ");
+ ADD_MEM (regs[7], 8);
+ ADD_STRING ("\n GPR8: ");
+ ADD_MEM (regs[8], 8);
+ ADD_STRING (" GPR9: ");
+ ADD_MEM (regs[9], 8);
+ ADD_STRING (" GPRA: ");
+ ADD_MEM (regs[10], 8);
+ ADD_STRING (" GPRB: ");
+ ADD_MEM (regs[11], 8);
+ ADD_STRING ("\n GPRC: ");
+ ADD_MEM (regs[12], 8);
+ ADD_STRING (" GPRD: ");
+ ADD_MEM (regs[13], 8);
+ ADD_STRING (" GPRE: ");
+ ADD_MEM (regs[14], 8);
+ ADD_STRING (" GPRF: ");
+ ADD_MEM (regs[15], 8);
+ ADD_STRING ("\n\n PSW.MASK: ");
+ ADD_MEM (regs[16], 8);
+ ADD_STRING (" PSW.ADDR: ");
+ ADD_MEM (regs[17], 8);
+ ADD_STRING (" TRAP: ");
+ ADD_MEM (regs[18], 4);
+ ADD_STRING ("\n");
+
+ /* Write the stuff out. */
+ writev (fd, iov, nr);
+}
+
+
+#define REGISTER_DUMP register_dump (fd, &ctx)
diff --git a/sysdeps/unix/sysv/linux/s390/semctl.c b/sysdeps/unix/sysv/linux/s390/semctl.c
new file mode 100644
index 0000000000..e9b1a483c9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/semctl.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/semctl.c>
diff --git a/sysdeps/unix/sysv/linux/s390/setegid.c b/sysdeps/unix/sysv/linux/s390/setegid.c
new file mode 100644
index 0000000000..2e3a54c893
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/setegid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setegid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/seteuid.c b/sysdeps/unix/sysv/linux/s390/seteuid.c
new file mode 100644
index 0000000000..18e41d08c1
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/seteuid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/seteuid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/setfsgid.c b/sysdeps/unix/sysv/linux/s390/setfsgid.c
new file mode 100644
index 0000000000..0886712569
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/setfsgid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setfsgid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/setfsuid.c b/sysdeps/unix/sysv/linux/s390/setfsuid.c
new file mode 100644
index 0000000000..a9f22eb8ab
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/setfsuid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setfsuid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/setgid.c b/sysdeps/unix/sysv/linux/s390/setgid.c
new file mode 100644
index 0000000000..377021d9ec
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/setgid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setgid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/setgroups.c b/sysdeps/unix/sysv/linux/s390/setgroups.c
new file mode 100644
index 0000000000..0e7086278f
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/setgroups.c
@@ -0,0 +1,2 @@
+/* We also have to rewrite the kernel gid_t to the user land type. */
+#include <sysdeps/unix/sysv/linux/i386/setgroups.c>
diff --git a/sysdeps/unix/sysv/linux/s390/setregid.c b/sysdeps/unix/sysv/linux/s390/setregid.c
new file mode 100644
index 0000000000..99c57ad20f
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/setregid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setregid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/setresgid.c b/sysdeps/unix/sysv/linux/s390/setresgid.c
new file mode 100644
index 0000000000..daca1a4833
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/setresgid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setresgid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/setresuid.c b/sysdeps/unix/sysv/linux/s390/setresuid.c
new file mode 100644
index 0000000000..3aeabe9ad7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/setresuid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setresuid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/setreuid.c b/sysdeps/unix/sysv/linux/s390/setreuid.c
new file mode 100644
index 0000000000..8ad61226e9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/setreuid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setreuid.c>
diff --git a/sysdeps/unix/sysv/linux/s390/setuid.c b/sysdeps/unix/sysv/linux/s390/setuid.c
new file mode 100644
index 0000000000..c8fa23e354
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/setuid.c
@@ -0,0 +1,2 @@
+#include <sysdeps/unix/sysv/linux/i386/setuid.c>
+
diff --git a/sysdeps/unix/sysv/linux/s390/shmctl.c b/sysdeps/unix/sysv/linux/s390/shmctl.c
new file mode 100644
index 0000000000..7eac6380dd
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/shmctl.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/shmctl.c>
diff --git a/sysdeps/unix/sysv/linux/s390/sigcontextinfo.h b/sysdeps/unix/sysv/linux/s390/sigcontextinfo.h
new file mode 100644
index 0000000000..ccd5a41354
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/sigcontextinfo.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <signal.h>
+
+#define SIGCONTEXT struct sigcontext *
+#define SIGCONTEXT_EXTRA_ARGS
+#define GET_PC(ctx) ((void *)((ctx)->sregs->regs.psw.addr))
+#define GET_FRAME(ctx) (*(void **)((ctx)->sregs->regs.gprs[11]))
+#define GET_STACK(ctx) ((void *)((ctx)->sregs->regs.gprs[15]))
diff --git a/sysdeps/unix/sysv/linux/s390/socket.S b/sysdeps/unix/sysv/linux/s390/socket.S
new file mode 100644
index 0000000000..562b98f933
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/socket.S
@@ -0,0 +1,98 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sysdep.h>
+#include <socketcall.h>
+
+/* &%/$&!! preprocessor */
+#define P(a, b) P2(a, b)
+#define P2(a, b) a##b
+
+ .text
+/* The socket-oriented system calls are handled unusally in Linux.
+ They are all gated through the single `socketcall' system call number.
+ `socketcall' takes two arguments: the first is the subcode, specifying
+ which socket function is being called; and the second is a pointer to
+ the arguments to the specific function.
+
+ The .S files for the other calls just #define socket and #include this. */
+
+#ifndef __socket
+#ifndef NO_WEAK_ALIAS
+#define __socket P(__,socket)
+#else
+#define __socket socket
+#endif
+#endif
+
+#ifndef NARGS /* the socket.o object is compiled directly ... */
+#define NARGS 3
+#endif
+
+.globl __socket
+ENTRY(__socket)
+
+ /* Save registers and setup stack. */
+ stm %r6,%r15,24(%r15) /* save registers */
+ lr %r1,%r15
+ l %r0,4(0,%r15) /* load eos */
+ ahi %r15,-120 /* buy stack space */
+ st %r1,0(0,%r15) /* store back chain */
+ st %r0,4(0,%r15) /* store eos */
+
+ /* Reorder arguments */
+#if (NARGS >= 6)
+ mvc 0x74(4,%r15),216(%r15) /* move between parameter lists */
+#endif
+#if (NARGS >= 5)
+ st %r6,0x70(0,%r15) /* store into parameter list */
+#endif
+#if (NARGS >= 4)
+ st %r5,0x6C(0,%r15) /* store into parameter list */
+#endif
+#if (NARGS >= 3)
+ st %r4,0x68(0,%r15) /* store into parameter list */
+#endif
+#if (NARGS >= 2)
+ st %r3,0x64(0,%r15) /* store into parameter list */
+ st %r2,0x60(0,%r15)
+#endif
+ /* load subcode for socket syscall */
+ lhi %r2,P(SOCKOP_,socket)
+ la %r3,0x60(0,%r15) /* load address of parameter list */
+
+ /* Do the system call trap. */
+ svc SYS_ify(socketcall)
+
+ l %r15,0(0,%r15) /* load back chain */
+ lm %r6,15,24(%r15) /* load registers */
+
+ /* gpr2 is < 0 if there was an error. */
+ lhi %r0,-125
+ clr %r2,%r0
+ jnl SYSCALL_ERROR_LABEL
+
+ /* Successful; return the syscall's value. */
+ br %r14
+
+PSEUDO_END (__socket)
+
+#ifndef NO_WEAK_ALIAS
+weak_alias (__socket, socket)
+#endif
diff --git a/sysdeps/unix/sysv/linux/s390/sys/elf.h b/sysdeps/unix/sysv/linux/s390/sys/elf.h
new file mode 100644
index 0000000000..ecf6705a05
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/sys/elf.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_ELF_H
+#define _SYS_ELF_H 1
+
+/*
+ * ELF register definitions..
+ */
+
+#include <asm/elf.h>
+
+#endif /* _SYS_ELF_H */
diff --git a/sysdeps/unix/sysv/linux/s390/sys/ptrace.h b/sysdeps/unix/sysv/linux/s390/sys/ptrace.h
new file mode 100644
index 0000000000..b82730e559
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/sys/ptrace.h
@@ -0,0 +1,138 @@
+/* `ptrace' debugger support interface. Linux version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_PTRACE_H
+#define _SYS_PTRACE_H 1
+
+#include <features.h>
+
+__BEGIN_DECLS
+#ifdef _LINUX_PTRACE_H
+/* Kludge to stop stuff gdb & strace compiles from getting upset
+ */
+#undef PTRACE_TRACEME
+#undef PTRACE_PEEKTEXT
+#undef PTRACE_PEEKDATA
+#undef PTRACE_PEEKUSR
+#undef PTRACE_POKETEXT
+#undef PTRACE_POKEDATA
+#undef PTRACE_POKEUSR
+#undef PTRACE_CONT
+#undef PTRACE_KILL
+#undef PTRACE_SINGLESTEP
+
+#undef PTRACE_ATTACH
+#undef PTRACE_DETACH
+
+#undef PTRACE_SYSCALL
+#endif
+/* Type of the REQUEST argument to `ptrace.' */
+enum __ptrace_request
+{
+ /* Indicate that the process making this request should be traced.
+ All signals received by this process can be intercepted by its
+ parent, and its parent can use the other `ptrace' requests. */
+ PTRACE_TRACEME = 0,
+#define PT_TRACE_ME PTRACE_TRACEME
+
+ /* Return the word in the process's text space at address ADDR. */
+ PTRACE_PEEKTEXT = 1,
+#define PT_READ_I PTRACE_PEEKTEXT
+
+ /* Return the word in the process's data space at address ADDR. */
+ PTRACE_PEEKDATA = 2,
+#define PT_READ_D PTRACE_PEEKDATA
+
+ /* Return the word in the process's user area at offset ADDR. */
+ PTRACE_PEEKUSER = 3,
+#define PT_READ_U PTRACE_PEEKUSER
+
+ /* Write the word DATA into the process's text space at address ADDR. */
+ PTRACE_POKETEXT = 4,
+#define PT_WRITE_I PTRACE_POKETEXT
+
+ /* Write the word DATA into the process's data space at address ADDR. */
+ PTRACE_POKEDATA = 5,
+#define PT_WRITE_D PTRACE_POKEDATA
+
+ /* Write the word DATA into the process's user area at offset ADDR. */
+ PTRACE_POKEUSER = 6,
+#define PT_WRITE_U PTRACE_POKEUSER
+
+ /* Continue the process. */
+ PTRACE_CONT = 7,
+#define PT_CONTINUE PTRACE_CONT
+
+ /* Kill the process. */
+ PTRACE_KILL = 8,
+#define PT_KILL PTRACE_KILL
+
+ /* Single step the process.
+ This is not supported on all machines. */
+ PTRACE_SINGLESTEP = 9,
+#define PT_STEP PTRACE_SINGLESTEP
+
+ /* Get all general purpose registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_GETREGS = 12,
+#define PT_GETREGS PTRACE_GETREGS
+
+ /* Set all general purpose registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_SETREGS = 13,
+#define PT_SETREGS PTRACE_SETREGS
+
+ /* Get all floating point registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_GETFPREGS = 14,
+#define PT_GETFPREGS PTRACE_GETFPREGS
+
+ /* Set all floating point registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_SETFPREGS = 15,
+#define PT_SETFPREGS PTRACE_SETFPREGS
+
+ /* Attach to a process that is already running. */
+ PTRACE_ATTACH = 16,
+#define PT_ATTACH PTRACE_ATTACH
+
+ /* Detach from a process attached to with PTRACE_ATTACH. */
+ PTRACE_DETACH = 17,
+#define PT_DETACH PTRACE_DETACH
+
+ /* Continue and stop at the next (return from) syscall. */
+ PTRACE_SYSCALL = 24
+#define PT_SYSCALL PTRACE_SYSCALL
+};
+
+/* Perform process tracing functions. REQUEST is one of the values
+ above, and determines the action to be taken.
+ For all requests except PTRACE_TRACEME, PID specifies the process to be
+ traced.
+
+ PID and the other arguments described above for the various requests should
+ appear (those that are used for the particular request) as:
+ pid_t PID, void *ADDR, int DATA, void *ADDR2
+ after REQUEST. */
+extern long int ptrace (enum __ptrace_request __request, ...);
+
+__END_DECLS
+
+#endif /* _SYS_PTRACE_H */
diff --git a/sysdeps/unix/sysv/linux/s390/sys/ucontext.h b/sysdeps/unix/sysv/linux/s390/sys/ucontext.h
new file mode 100644
index 0000000000..4723ce1810
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/sys/ucontext.h
@@ -0,0 +1,96 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H 1
+
+#include <features.h>
+#include <signal.h>
+
+/* We need the signal context definitions even if they are not used
+ included in <signal.h>. */
+#include <bits/sigcontext.h>
+
+
+/* Type for general register. */
+typedef int greg_t;
+
+/* Number of general registers. */
+#define NGREG 16
+
+/* Number of each register is the `gregset_t' array. */
+enum
+{
+ GPR0 = 0,
+#define GPR0 GPR0
+ GPR1,
+#define GPR1 GPR1
+ GPR2,
+#define GPR2 GPR2
+ GPR3,
+#define GPR3 GPR3
+ GPR4,
+#define GPR4 GPR4
+ GPR5,
+#define GPR5 GPR5
+ GPR6,
+#define GPR6 GPR6
+ GPR7,
+#define GPR7 GPR7
+ GPR8,
+#define GPR8 GPR8
+ GPR9,
+#define GPR9 GPR9
+ GPRA,
+#define GPRA GPRA
+ GPRB,
+#define GPRB GPRB
+ GPRC,
+#define GPRC GPRC
+ GPRD,
+#define GPRD GPRD
+ GPRE,
+#define GPRE GPRE
+ GPRF
+#define GPRF GPRF
+};
+
+/* Structure to describe FPU registers. */
+typedef long long fpreg_t;
+
+/* Context to describe whole processor state. */
+typedef struct
+ {
+ int version;
+ greg_t gregs[NGREG];
+ fpreg_t fpregs[16];
+ } mcontext_t;
+
+/* Userlevel context. */
+typedef struct ucontext
+ {
+ unsigned long int uc_flags;
+ struct ucontext *uc_links;
+ __sigset_t uc_sigmask;
+ stack_t uc_stack;
+ mcontext_t uc_mcontext;
+ long int uc_filler[170];
+ } ucontext_t;
+
+#endif /* sys/ucontext.h */
diff --git a/sysdeps/unix/sysv/linux/s390/sys/user.h b/sysdeps/unix/sysv/linux/s390/sys/user.h
new file mode 100644
index 0000000000..50821826e4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/sys/user.h
@@ -0,0 +1,24 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_USER_H
+#define _SYS_USER_H 1
+
+#include <asm/user.h>
+
+#endif /* _SYS_USER_H */
diff --git a/sysdeps/unix/sysv/linux/s390/syscall.S b/sysdeps/unix/sysv/linux/s390/syscall.S
new file mode 100644
index 0000000000..dbd8d6887c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/syscall.S
@@ -0,0 +1,51 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sysdep.h>
+
+/* Please consult the file sysdeps/unix/sysv/linux/s390/sysdep.h for
+ more information about the value -4095 used below.*/
+
+ENTRY (syscall)
+ /* Save registers and setup stack. */
+ stm %r6,%r15,24(%r15) /* save registers */
+ lr %r1,%r15
+ l %r0,4(0,%r15) /* load eos */
+ ahi %r15,-96 /* buy stack space */
+ st %r1,0(0,%r15) /* store back chain */
+ st %r0,4(0,%r15) /* store eos */
+
+ lr %r1,%r2 /* move syscall number */
+ lr %r2,%r3 /* first parameter */
+ lr %r3,%r4 /* second parameter */
+ lr %r4,%r5 /* third parameter */
+ lr %r5,%r6 /* fourth parameter */
+ l %r6,192(%r15) /* fifth parameter */
+ basr %r7,0
+.L0: ex %r1,.L1-.L0(%r7) /* lsb of R1 is subsituted as SVC number */
+
+ l %r15,0(0,%r15) /* load back chain */
+ lm %r6,15,24(%r15) /* load registers */
+
+ lhi %r0,-4095
+ clr %r2,%r0 /* check R2 for error */
+ jnl SYSCALL_ERROR_LABEL
+ br %r14 /* return to caller */
+.L1: .word 0x0A00 /* opcode for SVC 0 */
+PSEUDO_END (syscall)
diff --git a/sysdeps/unix/sysv/linux/s390/sysdep.S b/sysdeps/unix/sysv/linux/s390/sysdep.S
new file mode 100644
index 0000000000..5515c0f9ce
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/sysdep.S
@@ -0,0 +1,104 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sysdep.h>
+
+/* Because the Linux version is in fact m68k/ELF and the start.? file
+ for this system (sysdeps/m68k/elf/start.S) is also used by The Hurd
+ and therefore this files must not contain the definition of the
+ `errno' variable (I don't know why, ask Roland), we have to define
+ it somewhere else.
+
+ ...and this place is here. */
+ .bss
+ .globl errno
+ .type errno,@object
+ .size errno,4
+errno:
+ .space 4
+weak_alias (errno, _errno)
+
+/* The following code is only used in the shared library when we
+ compile the reentrant version. Otherwise each system call defines
+ each own version. */
+
+/* The syscall stubs jump here when they detect an error. */
+
+#undef CALL_MCOUNT
+#define CALL_MCOUNT
+
+ .text
+ENTRY(__syscall_error)
+#ifndef PIC
+#ifndef _LIBC_REENTRANT
+ lcr %r2,%r2
+ basr %r1,0
+.L0: l %r1,.L1-.L0(%r1)
+ st %r2,0(0,%r1)
+ lhi %r2,-1
+ br %r14
+.L1: .long errno
+#else
+ stm %r11,%r15,44(%r15)
+ lr %r0,%r15
+ ahi %r15,-96
+ st %r0,0(%r15)
+ lcr %r11,%r2
+ basr %r13,0
+.L0: l %r1,.L1-.L0(%r13)
+ basr %r14,%r1
+ st %r11,0(%r2)
+ lhi %r2,-1
+ l %r15,0(%r15)
+ lm %r11,%r15,44(%r15)
+ br %r14
+.L1: .long __errno_location
+#endif
+#else
+#ifndef _LIBC_REENTRANT
+ basr %r1,0
+.L0: al %r1,.L1-.L0(%r1)
+ l %r1,errno@GOT12(%r1)
+ lcr %r2,%r2
+ st %r2,0(0,%r1)
+ lhi %r2,-1
+ br %r14
+.L1: .long _GLOBAL_OFFSET_TABLE_-0b
+#else
+ stm %r11,%r15,44(%r15)
+ lr %r0,%r15
+ ahi %r15,-96
+ st %r0,0(%r15)
+ lcr %r11,%r2
+ basr %r13,0
+.L0: l %r12,.L1-.L0(%r13)
+ ar %r12,%r13
+ l %r14,.L2-.L0(%r13)
+ bas %r14,0(%r14,%r13)
+ st %r11,0(0,%r2)
+ lhi %r2,-1
+ l %r15,0(%r15)
+ lm %r11,%r15,44(%r15)
+ br %r14
+.L1: .long _GLOBAL_OFFSET_TABLE_ - .L0
+.L2: .long __errno_location@PLT - .L0
+#endif
+#endif
+
+END (__syscall_error)
diff --git a/sysdeps/unix/sysv/linux/s390/sysdep.h b/sysdeps/unix/sysv/linux/s390/sysdep.h
new file mode 100644
index 0000000000..be58e7f94d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/sysdep.h
@@ -0,0 +1,212 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _LINUX_S390_SYSDEP_H
+#define _LINUX_S390_SYSEDP_H
+
+#include <sysdeps/s390/sysdep.h>
+#include <sysdeps/unix/sysdep.h>
+
+/* For Linux we can use the system call table in the header file
+ /usr/include/asm/unistd.h
+ of the kernel. But these symbols do not follow the SYS_* syntax
+ so we have to redefine the `SYS_ify' macro here. */
+/* in newer 2.1 kernels __NR_syscall is missing so we define it here */
+#define __NR_syscall 0
+
+#undef SYS_ify
+#define SYS_ify(syscall_name) __NR_##syscall_name
+
+/* ELF-like local names start with `.L'. */
+#undef L
+#define L(name) .L##name
+
+#ifdef __ASSEMBLER__
+
+/* Linux uses a negative return value to indicate syscall errors, unlike
+ most Unices, which use the condition codes' carry flag.
+
+ Since version 2.1 the return value of a system call might be negative
+ even if the call succeeded. E.g., the `lseek' system call might return
+ a large offset. Therefore we must not anymore test for < 0, but test
+ for a real error by making sure the value in gpr2 is a real error
+ number. Linus said he will make sure the no syscall returns a value
+ in -1 .. -4095 as a valid result so we can savely test with -4095. */
+
+#define SYSCALL_ERROR_LABEL 0f
+
+#undef PSEUDO
+#define PSEUDO(name, syscall_name, args) \
+ .text; \
+ ENTRY (name) \
+ DO_CALL (args, syscall_name); \
+ lhi %r4,-4095 ; \
+ clr %r2,%r4 ; \
+ jnl SYSCALL_ERROR_LABEL ; \
+ L(pseudo_end):
+
+#undef PSEUDO_END
+#define PSEUDO_END(name) \
+ SYSCALL_ERROR_HANDLER; \
+ END (name)
+
+#ifndef _LIBC_REENTRANT
+#ifndef PIC
+#define SYSCALL_ERROR_HANDLER \
+0: lcr %r2,%r2 ; \
+ basr %r1,0 ; \
+1: l %r1,2f-1b(%r1) \
+ st %r2,0(%r1) \
+ lhi %r2,-1 \
+ br %r14 \
+2: .long errno
+#else
+#define SYSCALL_ERROR_HANDLER \
+0: basr %r1,0 ; \
+1: al %r1,2f-1b(%r1) ; \
+ l %r1,errno@GOT12(%r1) ; \
+ lcr %r2,%r2 ; \
+ st %r2,0(%r1) ; \
+ lhi %r2,-1 ; \
+ br %r14 ; \
+2: .long _GLOBAL_OFFSET_TABLE_-1b
+#endif /* PIC */
+#else
+#define SYSCALL_ERROR_HANDLER \
+0: basr %r1,0 ; \
+1: al %r1,2f-1b(%r1) ; \
+ br %r1 ; \
+2: .long __syscall_error@PLT-1b
+#endif /* _LIBC_REENTRANT */
+
+/* Linux takes system call arguments in registers:
+
+ syscall number 1 call-clobbered
+ arg 1 2 call-clobbered
+ arg 2 3 call-clobbered
+ arg 3 4 call-clobbered
+ arg 4 5 call-clobbered
+ arg 5 6 call-saved
+
+ (Of course a function with say 3 arguments does not have entries for
+ arguments 4 and 5.)
+ S390 does not need to do ANY stack operations to get its parameters
+ right.
+ */
+
+#define DO_CALL(args, syscall) \
+ svc SYS_ify (syscall)
+
+#define ret \
+ br 14
+
+#endif /* __ASSEMBLER__ */
+
+#undef INLINE_SYSCALL
+#define INLINE_SYSCALL(name, nr, args...) \
+ ({ \
+ DECLARGS_##nr(args) \
+ int err; \
+ asm volatile ( \
+ LOADARGS_##nr \
+ "svc %b1\n\t" \
+ "lr %0,%%r2\n\t" \
+ : "=d" (err) \
+ : "I" (__NR_##name) ASMFMT_##nr \
+ : "memory", "cc", "2", "3", "4", "5", "6"); \
+ if (err >= 0xfffff001) \
+ { \
+ __set_errno(-err); \
+ err = 0xffffffff; \
+ } \
+ (int) err; })
+
+#define DECLARGS_0()
+#define DECLARGS_1(arg1) \
+ unsigned int gpr2 = (unsigned int) (arg1);
+#define DECLARGS_2(arg1, arg2) \
+ DECLARGS_1(arg1) \
+ unsigned int gpr3 = (unsigned int) (arg2);
+#define DECLARGS_3(arg1, arg2, arg3) \
+ DECLARGS_2(arg1, arg2) \
+ unsigned int gpr4 = (unsigned int) (arg3);
+#define DECLARGS_4(arg1, arg2, arg3, arg4) \
+ DECLARGS_3(arg1, arg2, arg3) \
+ unsigned int gpr5 = (unsigned int) (arg4);
+#define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \
+ DECLARGS_4(arg1, arg2, arg3, arg4) \
+ unsigned int gpr6 = (unsigned int) (arg5);
+
+#define LOADARGS_0
+#define LOADARGS_1 "L 2,%2\n\t"
+#define LOADARGS_2 LOADARGS_1 "L 3,%3\n\t"
+#define LOADARGS_3 LOADARGS_2 "L 4,%4\n\t"
+#define LOADARGS_4 LOADARGS_3 "L 5,%5\n\t"
+#define LOADARGS_5 LOADARGS_4 "L 6,%6\n\t"
+
+#define ASMFMT_0
+#define ASMFMT_1 , "m" (gpr2)
+#define ASMFMT_2 , "m" (gpr2), "m" (gpr3)
+#define ASMFMT_3 , "m" (gpr2), "m" (gpr3), "m" (gpr4)
+#define ASMFMT_4 , "m" (gpr2), "m" (gpr3), "m" (gpr4), "m" (gpr5)
+#define ASMFMT_5 , "m" (gpr2), "m" (gpr3), "m" (gpr4), "m" (gpr5), "m" (gpr6)
+
+#if 0
+#undef INLINE_SYSCALL
+#define INLINE_SYSCALL(name, nr, args...) \
+ ({ \
+ DECLARGS_##nr(args) \
+ asm volatile ( \
+ "svc %b1\n\t" \
+ : "+d" (gpr2) \
+ : "I" (__NR_##name) ASMFMT_##nr : "memory", "cc"); \
+ if (gpr2 >= 0xfffff001) \
+ { \
+ __set_errno(-gpr2); \
+ gpr2 = 0xffffffff; \
+ } \
+ (int) gpr2; })
+
+#define DECLARGS_0() \
+ register unsigned int gpr2 asm("2");
+#define DECLARGS_1(arg1) \
+ register unsigned int gpr2 asm("2") = (unsigned int) (arg1);
+#define DECLARGS_2(arg1, arg2) \
+ DECLARGS_1(arg1) \
+ register unsigned int gpr3 asm("3") = (unsigned int) (arg2);
+#define DECLARGS_3(arg1, arg2, arg3) \
+ DECLARGS_2(arg1, arg2) \
+ register unsigned int gpr4 asm("4") = (unsigned int) (arg3);
+#define DECLARGS_4(arg1, arg2, arg3, arg4) \
+ DECLARGS_3(arg1, arg2, arg3) \
+ register unsigned int gpr5 asm("5") = (unsigned int) (arg4);
+#define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \
+ DECLARGS_4(arg1, arg2, arg3, arg4) \
+ register unsigned int gpr6 asm("6") = (unsigned int) (arg5);
+
+#define ASMFMT_0
+#define ASMFMT_1
+#define ASMFMT_2 , "d" (gpr3)
+#define ASMFMT_3 , "d" (gpr3), "d" (gpr4)
+#define ASMFMT_4 , "d" (gpr3), "d" (gpr4), "d" (gpr5)
+#define ASMFMT_5 , "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6)
+
+#endif /* 0 */
+
+#endif /* _LINUX_S390_SYSDEP_H */