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authorUlrich Drepper <drepper@redhat.com>2000-06-12 20:50:37 +0000
committerUlrich Drepper <drepper@redhat.com>2000-06-12 20:50:37 +0000
commit3846ef75cf3309e2e8264c81fb510cdd54bee4fd (patch)
tree45ad5244c5af4a690d56f41da4ee36d864bc4242 /sysdeps/sh/sh3
parent55985355ade2a038b567dd9b58153a98384ae703 (diff)
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Update.
2000-06-12 Kazumoto Kojima <kkojima@rr.iij4u.or.jp> Yutaka Niibe <gniibe@chroot.org> * sysdeps/sh/Dist: New file. * sysdeps/sh/Implies: New file. * sysdeps/sh/gmp-mparam.h: New file. * sysdeps/sh/init-first.c: New file. * sysdeps/sh/machine-gmon.h: New file. * sysdeps/sh/memcpy.S: New file. * sysdeps/sh/memprof.h: New file. * sysdeps/sh/memset.S: New file. * sysdeps/sh/sh3/__longjmp.S: New file. * sysdeps/sh/sh3/bits/endian.h: New file. * sysdeps/sh/sh3/bits/huge_val.h: New file. * sysdeps/sh/sh3/bits/setjmp.h: New file. * sysdeps/sh/sh3/bsd-_setjmp.S: New file. * sysdeps/sh/sh3/bsd-setjmp.S: New file. * sysdeps/sh/sh3/dl-machine.h: New file. * sysdeps/sh/sh3/elf/initfini.c: New file. * sysdeps/sh/sh3/elf/start.S: New file. * sysdeps/sh/sh3/setjmp.S: New file. * sysdeps/sh/sh3/sys/ucontext.h: New file. * sysdeps/sh/sh4/__longjmp.S: New file. * sysdeps/sh/sh4/bits/endian.h: New file. * sysdeps/sh/sh4/bits/huge_val.h: New file. * sysdeps/sh/sh4/bits/setjmp.h: New file. * sysdeps/sh/sh4/bsd-_setjmp.S: New file. * sysdeps/sh/sh4/bsd-setjmp.S: New file. * sysdeps/sh/sh4/dl-machine.h: New file. * sysdeps/sh/sh4/elf/initfini.c: New file. * sysdeps/sh/sh4/elf/start.S: New file. * sysdeps/sh/sh4/fpu/bits/fenv.h: New file. * sysdeps/sh/sh4/fpu/bits/huge_val.h: New file. * sysdeps/sh/sh4/fpu/bits/mathdef.h: New file. * sysdeps/sh/sh4/fpu/fclrexcpt.c: New file. * sysdeps/sh/sh4/fpu/fegetenv.c: New file. * sysdeps/sh/sh4/fpu/fegetround.c: New file. * sysdeps/sh/sh4/fpu/feholdexcpt.c: New file. * sysdeps/sh/sh4/fpu/fesetenv.c: New file. * sysdeps/sh/sh4/fpu/fesetround.c: New file. * sysdeps/sh/sh4/fpu/fpu_control.h: New file. * sysdeps/sh/sh4/fpu/fraiseexcpt.c: New file. * sysdeps/sh/sh4/fpu/fsetexcptflg.c: New file. * sysdeps/sh/sh4/fpu/ftestexcept.c: New file. * sysdeps/sh/sh4/fpu/libm-test-ulps: New file. * sysdeps/sh/sh4/setjmp.S: New file. * sysdeps/sh/sh4/sys/ucontext.h: New file. * sysdeps/sh/strlen.S: New file. * sysdeps/sh/sysdep.h: New file. * sysdeps/unix/sh/sysdep.S: New file. * sysdeps/unix/sh/sysdep.h: New file. * sysdeps/unix/sysv/linux/sh/Dist: New file. * sysdeps/unix/sysv/linux/sh/Makefile: New file. * sysdeps/unix/sysv/linux/sh/Versions: New file. * sysdeps/unix/sysv/linux/sh/bits/mman.h: New file. * sysdeps/unix/sysv/linux/sh/bits/resource.h: New file. * sysdeps/unix/sysv/linux/sh/brk.c: New file. * sysdeps/unix/sysv/linux/sh/chown.c: New file. * sysdeps/unix/sysv/linux/sh/clone.S: New file. * sysdeps/unix/sysv/linux/sh/fchown.c: New file. * sysdeps/unix/sysv/linux/sh/fxstat.c: New file. * sysdeps/unix/sysv/linux/sh/getegid.c: New file. * sysdeps/unix/sysv/linux/sh/geteuid.c: New file. * sysdeps/unix/sysv/linux/sh/getgroups.c: New file. * sysdeps/unix/sysv/linux/sh/getresgid.c: New file. * sysdeps/unix/sysv/linux/sh/getresuid.c: New file. * sysdeps/unix/sysv/linux/sh/getrlimit.c: New file. * sysdeps/unix/sysv/linux/sh/getrlimit64.c: New file. * sysdeps/unix/sysv/linux/sh/getuid.c: New file. * sysdeps/unix/sysv/linux/sh/lchown.c: New file. * sysdeps/unix/sysv/linux/sh/lxstat.c: New file. * sysdeps/unix/sysv/linux/sh/msgctl.c: New file. * sysdeps/unix/sysv/linux/sh/oldgetrlimit64.c: New file. * sysdeps/unix/sysv/linux/sh/pipe.S: New file. * sysdeps/unix/sysv/linux/sh/profil-counter.h: New file. * sysdeps/unix/sysv/linux/sh/semctl.c: New file. * sysdeps/unix/sysv/linux/sh/setegid.c: New file. * sysdeps/unix/sysv/linux/sh/seteuid.c: New file. * sysdeps/unix/sysv/linux/sh/setfsgid.c: New file. * sysdeps/unix/sysv/linux/sh/setfsuid.c: New file. * sysdeps/unix/sysv/linux/sh/setgid.c: New file. * sysdeps/unix/sysv/linux/sh/setgroups.c: New file. * sysdeps/unix/sysv/linux/sh/setregid.c: New file. * sysdeps/unix/sysv/linux/sh/setresgid.c: New file. * sysdeps/unix/sysv/linux/sh/setresuid.c: New file. * sysdeps/unix/sysv/linux/sh/setreuid.c: New file. * sysdeps/unix/sysv/linux/sh/setrlimit.c: New file. * sysdeps/unix/sysv/linux/sh/setuid.c: New file. * sysdeps/unix/sysv/linux/sh/sh3/register-dump.h: New file. * sysdeps/unix/sysv/linux/sh/sh4/register-dump.h: New file. * sysdeps/unix/sysv/linux/sh/shmctl.c: New file. * sysdeps/unix/sysv/linux/sh/sigcontextinfo.h: New file. * sysdeps/unix/sysv/linux/sh/socket.S: New file. * sysdeps/unix/sysv/linux/sh/sys/io.h: New file. * sysdeps/unix/sysv/linux/sh/sys/ucontext.h: New file. * sysdeps/unix/sysv/linux/sh/sys/user.h: New file. * sysdeps/unix/sysv/linux/sh/syscalls.list: New file. * sysdeps/unix/sysv/linux/sh/sysdep.S: New file. * sysdeps/unix/sysv/linux/sh/sysdep.h: New file. * sysdeps/unix/sysv/linux/sh/vfork.S: New file. * sysdeps/unix/sysv/linux/sh/xstat.c: New file.
Diffstat (limited to 'sysdeps/sh/sh3')
-rw-r--r--sysdeps/sh/sh3/__longjmp.S44
-rw-r--r--sysdeps/sh/sh3/bits/endian.h13
-rw-r--r--sysdeps/sh/sh3/bits/huge_val.h104
-rw-r--r--sysdeps/sh/sh3/bits/setjmp.h45
-rw-r--r--sysdeps/sh/sh3/bsd-_setjmp.S51
-rw-r--r--sysdeps/sh/sh3/bsd-setjmp.S51
-rw-r--r--sysdeps/sh/sh3/dl-machine.h520
-rw-r--r--sysdeps/sh/sh3/setjmp.S67
8 files changed, 895 insertions, 0 deletions
diff --git a/sysdeps/sh/sh3/__longjmp.S b/sysdeps/sh/sh3/__longjmp.S
new file mode 100644
index 0000000000..09f829ae37
--- /dev/null
+++ b/sysdeps/sh/sh3/__longjmp.S
@@ -0,0 +1,44 @@
+/* longjmp for SH.
+ Copyright (C) 1999, 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>
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+
+/* __longjmp(jmpbuf, val) */
+
+ENTRY (__longjmp)
+ mov.l @r4+, r8
+ mov.l @r4+, r9
+ mov.l @r4+, r10
+ mov.l @r4+, r11
+ mov.l @r4+, r12
+ mov.l @r4+, r13
+ mov.l @r4+, r14
+ mov.l @r4+, r15
+ mov r5, r0 /* get the return value in place */
+ tst r0, r0
+ bf.s 1f
+ lds.l @r4+, pr
+ mov #1,r0 /* can't let setjmp() return zero! */
+1:
+ rts
+ ldc.l @r4+, gbr
+END (__longjmp)
diff --git a/sysdeps/sh/sh3/bits/endian.h b/sysdeps/sh/sh3/bits/endian.h
new file mode 100644
index 0000000000..1fef1ff938
--- /dev/null
+++ b/sysdeps/sh/sh3/bits/endian.h
@@ -0,0 +1,13 @@
+/* SH is bi-endian but with a big-endian FPU. */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#ifdef __LITTLE_ENDIAN__
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#define __FLOAT_WORD_ORDER __LITTLE_ENDIAN
+#else
+#define __BYTE_ORDER __BIG_ENDIAN
+#define __FLOAT_WORD_ORDER __BIG_ENDIAN
+#endif
diff --git a/sysdeps/sh/sh3/bits/huge_val.h b/sysdeps/sh/sh3/bits/huge_val.h
new file mode 100644
index 0000000000..a058c999ae
--- /dev/null
+++ b/sysdeps/sh/sh3/bits/huge_val.h
@@ -0,0 +1,104 @@
+/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity).
+ Used by <stdlib.h> and <math.h> functions for overflow.
+ SH version.
+ Copyright (C) 1992, 95, 96, 97, 98, 99, 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 _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). */
+
+#ifdef __GNUC__
+
+# if __GNUC_PREREQ(2,96)
+
+# define HUGE_VAL (__extension__ 0x1.0p2047)
+
+# else
+
+# define HUGE_VAL \
+ (__extension__ \
+ ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
+ { __l: 0x000000007ff00000ULL }).__d)
+
+# endif
+
+#else /* not GCC */
+
+# include <endian.h>
+
+typedef union { unsigned char __c[8]; double __d; } __huge_val_t;
+
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 }
+# endif
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __HUGE_VAL_bytes { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 }
+# endif
+
+static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+# define HUGE_VAL (__huge_val.__d)
+
+#endif /* GCC. */
+
+
+/* ISO C99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */
+
+#ifdef __USE_ISOC99
+
+# ifdef __GNUC__
+
+# if __GNUC_PREREQ(2,96)
+
+# define HUGE_VALF (__extension__ 0x1.0p255f)
+
+# else
+
+# define HUGE_VALF \
+ (__extension__ \
+ ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \
+ { __l: 0x7f800000UL }).__d)
+
+# endif
+
+# else /* not GCC */
+
+typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;
+
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
+# endif
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
+# endif
+
+static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
+# define HUGE_VALF (__huge_valf.__f)
+
+# endif /* GCC. */
+
+
+/* Generally there is no separate `long double' format and it is the
+ same as `double'. */
+# define HUGE_VALL HUGE_VAL
+
+#endif /* __USE_ISOC99. */
diff --git a/sysdeps/sh/sh3/bits/setjmp.h b/sysdeps/sh/sh3/bits/setjmp.h
new file mode 100644
index 0000000000..d2c4a420cd
--- /dev/null
+++ b/sysdeps/sh/sh3/bits/setjmp.h
@@ -0,0 +1,45 @@
+/* Copyright (C) 1999, 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'. SH version. */
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+typedef struct
+ {
+ /* Callee-saved registers r8 through r15. */
+ int __regs[8];
+
+ /* Program counter. */
+ void * __pc;
+
+ /* The global pointer. */
+ void * __gbr;
+
+ } __jmp_buf[1];
+#endif
+
+#define JB_SIZE (4 * 10)
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((void *) (address) < &(jmpbuf)[0].__regs[7])
diff --git a/sysdeps/sh/sh3/bsd-_setjmp.S b/sysdeps/sh/sh3/bsd-_setjmp.S
new file mode 100644
index 0000000000..d787cd23d7
--- /dev/null
+++ b/sysdeps/sh/sh3/bsd-_setjmp.S
@@ -0,0 +1,51 @@
+/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. SH version.
+ Copyright (C) 1999, 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 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 SHARED
+ mova 1f, r0
+ mov.l 1f, r1
+ bra 2f
+ add r1, r0
+ .align 2
+1:
+ .long _GLOBAL_OFFSET_TABLE_
+2:
+ mov.l 3f, r1
+ mov.l @(r0,r1), r1
+ jmp @r1
+ mov #0, r0
+ .align 2
+3:
+ .long C_SYMBOL_NAME(__sigsetjmp@GOT)
+#else
+ mov.l 1f, r1
+ jmp @r1
+ mov #0, r0
+ .align 2
+1:
+ .long C_SYMBOL_NAME(__sigsetjmp)
+#endif
+END (_setjmp)
diff --git a/sysdeps/sh/sh3/bsd-setjmp.S b/sysdeps/sh/sh3/bsd-setjmp.S
new file mode 100644
index 0000000000..7ffb6919da
--- /dev/null
+++ b/sysdeps/sh/sh3/bsd-setjmp.S
@@ -0,0 +1,51 @@
+/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. SH version.
+ Copyright (C) 1999, 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 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 SHARED
+ mova 1f, r0
+ mov.l 1f, r1
+ bra 2f
+ add r1, r0
+ .align 2
+1:
+ .long _GLOBAL_OFFSET_TABLE_
+2:
+ mov.l 3f, r1
+ mov.l @(r0,r1), r1
+ jmp @r1
+ mov #1, r0
+ .align 2
+3:
+ .long C_SYMBOL_NAME(__sigsetjmp@GOT)
+#else
+ mov.l 1f, r1
+ jmp @r1
+ mov #1, r0
+ .align 2
+1:
+ .long C_SYMBOL_NAME(__sigsetjmp)
+#endif
+END (setjmp)
diff --git a/sysdeps/sh/sh3/dl-machine.h b/sysdeps/sh/sh3/dl-machine.h
new file mode 100644
index 0000000000..93a65ac03a
--- /dev/null
+++ b/sysdeps/sh/sh3/dl-machine.h
@@ -0,0 +1,520 @@
+/* Machine-dependent ELF dynamic relocation inline functions. SH-3 version.
+ Copyright (C) 1999, 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 dl_machine_h
+#define dl_machine_h
+
+/* Only dummy. This doesn't work. */
+
+#define ELF_MACHINE_NAME "SH"
+
+#include <sys/param.h>
+
+#include <assert.h>
+
+/* Return nonzero iff E_MACHINE is compatible with the running host. */
+static inline int __attribute__ ((unused))
+elf_machine_matches_host (Elf32_Half e_machine)
+{
+ switch (e_machine)
+ {
+ case EM_SH:
+ 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 __attribute__ ((unused))
+elf_machine_dynamic (void)
+{
+ register Elf32_Addr *got;
+ asm ("mov r12,%0" :"=r" (got));
+ return *got;
+}
+
+
+/* Return the run-time load address of the shared object. */
+static inline Elf32_Addr __attribute__ ((unused))
+elf_machine_load_address (void)
+{
+ Elf32_Addr addr;
+ asm ("mov.l .L1,r0
+ mov.l .L3,r2
+ add r12,r2
+ mov.l @(r0,r12),r0
+ bra .L2
+ sub r0,r2
+ .align 2
+ .L1: .long _dl_start@GOT
+ .L3: .long _dl_start@GOTOFF
+ .L2: mov r2,%0"
+ : "=r" (addr) : : "r0", "r1", "r2");
+ 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)
+{
+ Elf32_Addr *got;
+ 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 load an
+ offset into the .rela.plt section and _GLOBAL_OFFSET_TABLE_[1],
+ and then jump to _GLOBAL_OFFSET_TABLE[2]. */
+ 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 (profile)
+ {
+ got[2] = (Elf32_Addr) &_dl_runtime_profile;
+ /* 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. */
+
+#define ELF_MACHINE_RUNTIME_FIXUP_ARGS int plt_type
+
+#ifdef SHARED
+#define FUN_ADDR "\
+ mov.l 1f,r2
+ mova 1f,r0
+ bra 2f
+ add r0,r2 ! Get GOT address in r2
+0: .align 2
+1: .long _GLOBAL_OFFSET_TABLE_
+2: mov.l 3f,r0
+ add r2,r0"
+#define GOTJMP(x) #x "@GOTOFF"
+#else
+#define FUN_ADDR "\
+ mov.l 3f,r0"
+#define GOTJMP(x) #x
+#endif
+
+#if defined (KERNEL_MATH_EMULATION)
+#define FGR_SAVE "\
+ sts.l fpscr, @-r15
+ mov #8,r3
+ swap.w r3, r3
+ lds r3, fpscr
+ fmov.s fr11, @-r15
+ fmov.s fr10, @-r15
+ fmov.s fr9, @-r15
+ fmov.s fr8, @-r15
+ fmov.s fr7, @-r15
+ fmov.s fr6, @-r15
+ fmov.s fr5, @-r15
+ fmov.s fr4, @-r15"
+#define FGR_LOAD "\
+ fmov.s @r15+, fr4
+ fmov.s @r15+, fr5
+ fmov.s @r15+, fr6
+ fmov.s @r15+, fr7
+ fmov.s @r15+, fr8
+ fmov.s @r15+, fr9
+ fmov.s @r15+, fr10
+ fmov.s @r15+, fr11
+ lds.l @r15+, fpscr"
+#else
+#define FGR_SAVE ""
+#define FGR_LOAD ""
+#endif
+
+#ifndef PROF
+# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
+ .text
+ .globl _dl_runtime_resolve
+ .type _dl_runtime_resolve, @function
+ .align 5
+_dl_runtime_resolve:
+ mov.l r3,@-r15
+ mov.l r4,@-r15
+ mov.l r5,@-r15
+ mov.l r6,@-r15
+ mov.l r7,@-r15
+ mov.l r12,@-r15
+ movt r3 ! Save T flag.
+ mov.l r3,@-r15
+ " FGR_SAVE "
+ sts.l pr,@-r15
+ mov r0,r4 ! PLT type
+ mov r2,r5 ! link map address
+ " FUN_ADDR "
+ jsr @r0 ! Call resolver.
+ mov r1,r6 ! reloc offset
+ lds.l @r15+,pr ! Get register content back.
+ " FGR_LOAD "
+ mov.l @r15+,r3
+ shal r3 ! Lode T flag.
+ mov.l @r15+,r12
+ mov.l @r15+,r7
+ mov.l @r15+,r6
+ mov.l @r15+,r5
+ mov.l @r15+,r4
+ jmp @r0 ! Jump to function address.
+ mov.l @r15+,r3
+ .align 2
+3:
+ .long " GOTJMP (fixup) "
+ .size _dl_runtime_resolve, .-_dl_runtime_resolve
+
+ .globl _dl_runtime_profile
+ .type _dl_runtime_profile, @function
+ .align 5
+_dl_runtime_profile:
+ mov.l r3,@-r15
+ mov.l r4,@-r15
+ mov.l r5,@-r15
+ mov.l r6,@-r15
+ mov.l r7,@-r15
+ mov.l r12,@-r15
+ movt r3 ! Save T flag.
+ mov.l r3,@-r15
+ " FGR_SAVE "
+ sts.l pr,@-r15
+ mov r0,r4 ! PLT type
+ mov r2,r5 ! link map address
+ sts pr,r7 ! return address
+ " FUN_ADDR "
+ jsr @r0 ! Call resolver.
+ mov r1,r6 ! reloc offset
+ lds.l @r15+,pr ! Get register content back.
+ " FGR_LOAD "
+ mov.l @r15+,r3
+ shal r3 ! Lode T flag.
+ mov.l @r15+,r12
+ mov.l @r15+,r7
+ mov.l @r15+,r6
+ mov.l @r15+,r5
+ mov.l @r15+,r4
+ jmp @r0 ! Jump to function address.
+ mov.l @r15+,r3
+ .align 2
+3:
+ .long " GOTJMP (profile_fixup) "
+ .size _dl_runtime_profile, .-_dl_runtime_profile
+ .previous
+");
+#else
+# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
+ .text
+ .globl _dl_runtime_resolve
+ .globl _dl_runtime_profile
+ .type _dl_runtime_resolve, @function
+ .type _dl_runtime_profile, @function
+ .align 5
+_dl_runtime_resolve:
+_dl_runtime_profile:
+ mov.l r3,@-r15
+ mov.l r4,@-r15
+ mov.l r5,@-r15
+ mov.l r6,@-r15
+ mov.l r7,@-r15
+ mov.l r12,@-r15
+ movt r3 ! Save T flag.
+ mov.l r3,@-r15
+ " FGR_SAVE "
+ sts.l pr,@-r15
+ mov r0,r4 ! PLT type
+ mov r2,r5 ! link map address
+ sts pr,r7 ! return address
+ " FUN_ADDR "
+ jsr @r0 ! Call resolver.
+ mov r1,r6 ! reloc offset
+ lds.l @r15+,pr ! Get register content back.
+ " FGR_LOAD "
+ mov.l @r15+,r3
+ shal r3 ! Lode T flag.
+ mov.l @r15+,r12
+ mov.l @r15+,r7
+ mov.l @r15+,r6
+ mov.l @r15+,r5
+ mov.l @r15+,r4
+ jmp @r0 ! Jump to function address.
+ mov.l @r15+,r3
+ .align 2
+3:
+ .long " GOTJMP (fixup) "
+ .size _dl_runtime_resolve, .-_dl_runtime_resolve
+ .size _dl_runtime_profile, .-_dl_runtime_profile
+ .previous
+");
+#endif
+
+/* Mask identifying addresses reserved for the user program,
+ where the dynamic linker should not map anything. */
+#define ELF_MACHINE_USER_ADDRESS_MASK 0x80000000UL
+
+/* 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 ("\
+.text\n\
+.globl _start\n\
+.globl _dl_start_user\n\
+_start:\n\
+ mov r15,r4\n\
+ mov.l .L_dl_start,r1\n\
+ mova .L_dl_start,r0\n\
+ add r1,r0\n\
+ jsr @r0\n\
+ nop\n\
+_dl_start_user:\n\
+ ! Save the user entry point address in r8.\n\
+ mov r0,r8\n\
+ ! Point r12 at the GOT.\n\
+ mov.l 1f,r12\n\
+ mova 1f,r0\n\
+ bra 2f\n\
+ add r0,r12\n\
+ .align 2\n\
+1: .long _GLOBAL_OFFSET_TABLE_\n\
+2: ! Store the highest stack address\n\
+ mov.l .L_stack_end,r0\n\
+ mov.l @(r0,r12),r0\n\
+ mov.l r15,@r0\n\
+ ! See if we were run as a command with the executable file\n\
+ ! name as an extra leading argument.\n\
+ mov.l .L_dl_skip_args,r0\n\
+ mov.l @(r0,r12),r0\n\
+ mov.l @r0,r0\n\
+ ! Get the original argument count.\n\
+ mov.l @r15,r5\n\
+ ! Subtract _dl_skip_args from it.\n\
+ sub r0,r5\n\
+ ! Adjust the stack pointer to skip _dl_skip_args words.\n\
+ shll2 r0\n\
+ add r0,r15\n\
+ ! Store back the modified argument count.\n\
+ mov.l r5,@r15\n\
+ ! Compute argv address and envp.\n\
+ mov r15,r6\n\
+ add #4,r6\n\
+ mov r5,r7\n\
+ shll2 r7\n\
+ add r15,r7\n\
+ mov.l .L_dl_loaded,r0\n\
+ mov.l @(r0,r12),r0\n\
+ mov.l @r0,r4\n\
+ ! Call _dl_init.\n\
+ mov.l .L_dl_init,r1\n\
+ mova .L_dl_init,r0\n\
+ add r1,r0\n\
+ jsr @r0\n\
+ nop\n\
+1: ! Clear the startup flag.\n\
+ mov.l .L_dl_starting_up,r0\n\
+ mov.l @(r0,r12),r0\n\
+ mov #0,r2\n\
+ mov.l r2,@r0\n\
+ ! Pass our finalizer function to the user in r4, as per ELF ABI.\n\
+ mov.l .L_dl_fini,r0\n\
+ mov.l @(r0,r12),r4\n\
+ ! Jump to the user's entry point.\n\
+ jmp @r8\n\
+ nop\n\
+ .align 2\n\
+.L_dl_start:\n\
+ .long _dl_start@PLT\n\
+.L_stack_end:\n\
+ .long __libc_stack_end@GOT\n\
+.L_dl_skip_args:\n\
+ .long _dl_skip_args@GOT\n\
+.L_dl_init:\n\
+ .long _dl_init@PLT\n\
+.L_dl_loaded:\n\
+ .long _dl_loaded@GOT\n\
+.L_dl_starting_up:\n\
+ .long _dl_starting_up@GOT\n\
+.L_dl_fini:\n\
+ .long _dl_fini@GOT\n\
+.previous\n\
+");
+
+/* 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_SH_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_SH_JMP_SLOT)
+
+/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
+#define ELF_MACHINE_JMP_SLOT R_SH_JMP_SLOT
+
+/* 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 + reloc->r_addend;
+}
+
+#endif /* !dl_machine_h */
+
+#ifdef RESOLVE
+
+/* SH never uses Elf32_Rel relocations. */
+#define ELF_MACHINE_NO_REL 1
+
+extern char **_dl_argv;
+
+/* 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_SH_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_SH_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;
+ value += reloc->r_addend;
+
+ switch (ELF32_R_TYPE (reloc->r_info))
+ {
+ case R_SH_COPY:
+ if (sym == NULL)
+ /* This can happen in trace mode if an object could not be
+ found. */
+ break;
+ if (sym->st_size > refsym->st_size
+ || (sym->st_size < refsym->st_size && _dl_verbose))
+ {
+ 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_SH_GLOB_DAT:
+ case R_SH_JMP_SLOT:
+ *reloc_addr = value;
+ break;
+ case R_SH_DIR32:
+ {
+#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 + reloc->r_addend;
+#endif
+ *reloc_addr = value;
+ break;
+ }
+ case R_SH_REL32:
+ *reloc_addr = (value - (Elf32_Addr) reloc_addr);
+ break;
+ default:
+ _dl_reloc_bad_type (map, ELF32_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 (ELF32_R_TYPE (reloc->r_info) == R_SH_JMP_SLOT)
+ *reloc_addr += l_addr;
+ else
+ _dl_reloc_bad_type (map, ELF32_R_TYPE (reloc->r_info), 1);
+}
+
+#endif /* RESOLVE */
diff --git a/sysdeps/sh/sh3/setjmp.S b/sysdeps/sh/sh3/setjmp.S
new file mode 100644
index 0000000000..ea41f459de
--- /dev/null
+++ b/sysdeps/sh/sh3/setjmp.S
@@ -0,0 +1,67 @@
+/* setjmp for SH4.
+ Copyright (C) 1999, 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>
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+
+ /* Binary compatibility entry point. */
+ENTRY (__setjmp)
+ mov #0, r5
+ENTRY (__sigsetjmp)
+ /* Save registers */
+ add #JB_SIZE, r4
+ stc.l gbr, @-r4
+ sts.l pr, @-r4
+ mov.l r15, @-r4
+ mov.l r14, @-r4
+ mov.l r13, @-r4
+ mov.l r12, @-r4
+ mov.l r11, @-r4
+ mov.l r10, @-r4
+ mov.l r9, @-r4
+ mov.l r8, @-r4
+
+ /* Make a tail call to __sigjmp_save; it takes the same args. */
+#ifdef SHARED
+ mov.l 1f, r1
+ mova 1f, r0
+ bra 2f
+ add r1, r0
+ .align 2
+1:
+ .long _GLOBAL_OFFSET_TABLE_
+2:
+ mov.l .L1, r1
+ mov.l @(r0,r1), r1
+ jmp @r1
+ nop
+ .align 2
+.L1:
+ .long C_SYMBOL_NAME(__sigjmp_save@GOT)
+#else
+ mov.l .L1, r1
+ jmp @r1
+ nop
+ .align 2
+.L1:
+ .long C_SYMBOL_NAME(__sigjmp_save)
+#endif
+END (__setjmp)