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-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/Dist7
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/chown.c4
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S2
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/lchown.c4
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c20
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S2
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S2
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/syscall.S9
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h47
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.h35
12 files changed, 66 insertions, 68 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/Dist b/sysdeps/unix/sysv/linux/s390/s390-32/Dist
new file mode 100644
index 0000000000..c0a7dc8c93
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/Dist
@@ -0,0 +1,7 @@
+clone.S
+oldgetrlimit64.c
+setresuid.c
+setresgid.c
+setfsuid.c
+setfsgid.c
+ucontext_i.h
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/chown.c b/sysdeps/unix/sysv/linux/s390/s390-32/chown.c
index 5909ba8a43..0656b396f8 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/chown.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/chown.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000,2001,2002,2003,2004,2006 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2001, 2002, 2003, 2004 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
@@ -25,7 +25,7 @@
#include <bp-checks.h>
#include <linux/posix_types.h>
-#include <kernel-features.h>
+#include "kernel-features.h"
/*
In Linux 2.1.x the chown functions have been changed. A new function lchown
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c b/sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c
deleted file mode 100644
index dfed76aeb4..0000000000
--- a/sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c
+++ /dev/null
@@ -1 +0,0 @@
-#include <sysdeps/unix/sysv/linux/i386/fchownat.c>
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c b/sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c
deleted file mode 100644
index 0f8b3135d8..0000000000
--- a/sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c
+++ /dev/null
@@ -1 +0,0 @@
-#include <sysdeps/unix/sysv/linux/i386/fxstatat.c>
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S
index 3b38d19488..2578b3ddc0 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S
@@ -72,4 +72,4 @@ ENTRY(__getcontext)
br %r14
END(__getcontext)
-weak_alias (__getcontext, getcontext)
+weak_alias(__getcontext, getcontext)
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c b/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c
index 1e64a0ef75..ccdb67b15c 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2001, 2003, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2001, 2003 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
@@ -24,7 +24,7 @@
#include <bp-checks.h>
#include <linux/posix_types.h>
-#include <kernel-features.h>
+#include "kernel-features.h"
# ifdef __NR_lchown32
# if __ASSUME_32BITUIDS == 0
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c b/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c
index 94760e0c2b..29c8640e92 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c
@@ -37,6 +37,8 @@
+-----------------------+
n | overflow parameters | 96
+-----------------------+
+ 8 | trampoline | 96+n
+ +-----------------------+
The registers are set up like this:
%r2-%r6: parameters 1 to 5
%r7 : (*func) pointer
@@ -53,16 +55,18 @@
void
__makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...)
{
- extern void __makecontext_ret (void);
unsigned long *sp;
va_list ap;
int i;
- sp = (unsigned long *) (((unsigned long) ucp->uc_stack.ss_sp
- + ucp->uc_stack.ss_size) & -8L);
+ sp = (long *) (((long) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size) & -8L);
+
+ /* Setup the trampoline. */
+ *--sp = 0x07f90000;
+ *--sp = 0x0de71828;
/* Set the return address to trampoline. */
- ucp->uc_mcontext.gregs[14] = (long) __makecontext_ret;
+ ucp->uc_mcontext.gregs[14] = (long) sp;
/* Set register parameters. */
va_start (ap, argc);
@@ -94,12 +98,4 @@ __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...)
ucp->uc_mcontext.gregs[15] = (long) sp;
}
-asm(".text\n"
- ".type __makecontext_ret,@function\n"
- "__makecontext_ret:\n"
- " basr %r14,%r7\n"
- " lr %r2,%r8\n"
- " br %r9\n"
- ".size __makecontext_ret, .-__makecontext_ret");
-
weak_alias (__makecontext, makecontext)
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S
index cce8d29735..7ad360a3a0 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S
@@ -69,4 +69,4 @@ ENTRY(__setcontext)
br %r14
END(__setcontext)
-weak_alias (__setcontext, setcontext)
+weak_alias(__setcontext, setcontext)
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S
index bf70f11cc7..d9abb62c0b 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S
@@ -105,4 +105,4 @@ ENTRY(__swapcontext)
/* Return. */
br %r14
END(__swapcontext)
-weak_alias (__swapcontext, swapcontext)
+weak_alias(__swapcontext, swapcontext)
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S b/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S
index b7e1736891..d1ce925ac3 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2001, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2001 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of the GNU C Library.
@@ -48,14 +48,13 @@ ENTRY (syscall)
lr %r4,%r5 /* third parameter */
lr %r5,%r6 /* fourth parameter */
l %r6,192(%r15) /* fifth parameter */
- l %r7,196(%r15) /* sixth parameter */
- basr %r8,0
-0: cl %r1,4f-0b(%r8) /* svc number < 256? */
+ basr %r7,0
+0: cl %r1,4f-0b(%r7) /* svc number < 256? */
jl 2f
1: svc 0
j 3f
-2: ex %r1,1b-0b(%r8) /* lsb of R1 is subsituted as SVC number */
+2: ex %r1,1b-0b(%r7) /* lsb of R1 is subsituted as SVC number */
3: l %r15,0(%r15) /* load back chain */
cfi_adjust_cfa_offset (-96)
lm %r6,15,24(%r15) /* load registers */
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
index b86072bd30..43b1b951d5 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
@@ -1,5 +1,4 @@
-/* Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006
- Free Software Foundation, Inc.
+/* Copyright (C) 2000,01,02,03,04 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of the GNU C Library.
@@ -24,7 +23,6 @@
#include <sysdeps/s390/s390-32/sysdep.h>
#include <sysdeps/unix/sysdep.h>
#include <dl-sysdep.h> /* For RTLD_PRIVATE_ERRNO. */
-#include <tls.h>
/* For Linux we can use the system call table in the header file
/usr/include/asm/unistd.h
@@ -113,8 +111,8 @@
0: lcr %r0,%r2; \
basr %r1,0; \
1: al %r1,2f-1b(%r1); \
- l %r1,SYSCALL_ERROR_ERRNO@gotntpoff(%r1); \
- ear %r2,%a0; \
+ l %r1,SYSCALL_ERROR_ERRNO@gotntpoff(%r1) \
+ ear %r2,%a0 \
st %r0,0(%r1,%r2); \
lhi %r2,-1; \
br %r14; \
@@ -149,28 +147,19 @@
arg 3 4 call-clobbered
arg 4 5 call-clobbered
arg 5 6 call-saved
- arg 6 7 call-saved
(Of course a function with say 3 arguments does not have entries for
arguments 4 and 5.)
- For system calls with 6 parameters a stack operation is required
- to load the 6th parameter to register 7. Call saved register 7 is
- moved to register 0 and back to avoid an additional stack frame.
+ S390 does not need to do ANY stack operations to get its parameters
+ right.
*/
#define DO_CALL(syscall, args) \
- .if args > 5; \
- lr %r0,%r7; \
- l %r7,96(%r15); \
- .endif; \
.if SYS_ify (syscall) < 256; \
svc SYS_ify (syscall); \
.else; \
lhi %r1,SYS_ify (syscall); \
svc 0; \
- .endif; \
- .if args > 5; \
- lr %r7,%r0; \
.endif
#define ret \
@@ -264,9 +253,6 @@
#define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \
DECLARGS_4(arg1, arg2, arg3, arg4) \
register unsigned long gpr6 asm ("6") = (unsigned long)(arg5);
-#define DECLARGS_6(arg1, arg2, arg3, arg4, arg5, arg6) \
- DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \
- register unsigned long gpr7 asm ("7") = (unsigned long)(arg6);
#define ASMFMT_0
#define ASMFMT_1 , "0" (gpr2)
@@ -274,28 +260,5 @@
#define ASMFMT_3 , "0" (gpr2), "d" (gpr3), "d" (gpr4)
#define ASMFMT_4 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5)
#define ASMFMT_5 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6)
-#define ASMFMT_6 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6), "d" (gpr7)
-
-
-/* Pointer mangling support. */
-#if defined NOT_IN_libc && defined IS_IN_rtld
-/* We cannot use the thread descriptor because in ld.so we use setjmp
- earlier than the descriptor is initialized. */
-#else
-/* For the time being just use stack_guard rather than a separate
- pointer_guard. */
-# ifdef __ASSEMBLER__
-# define PTR_MANGLE(reg, tmpreg) \
- ear tmpreg,%a0; \
- x reg,STACK_GUARD(tmpreg)
-# define PTR_MANGLE2(reg, tmpreg) \
- x reg,STACK_GUARD(tmpreg)
-# define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg)
-# else
-# define PTR_MANGLE(var) \
- (var) = (void *) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ())
-# define PTR_DEMANGLE(var) PTR_MANGLE (var)
-# endif
-#endif
#endif /* _LINUX_S390_SYSDEP_H */
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.h b/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.h
new file mode 100644
index 0000000000..2e51f04e65
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.h
@@ -0,0 +1,35 @@
+/* Copyright (C) 2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* Constants shared between setcontext() and getcontext(). Don't
+ install this header file. */
+
+#define SIG_BLOCK 0
+#define SIG_UNBLOCK 1
+#define SIG_SETMASK 2
+
+#define SC_FLGS 0x000
+#define SC_LINK 0x004
+#define SC_STCK 0x008
+#define SC_PSW 0x018
+#define SC_GPRS 0x020
+#define SC_ACRS 0x060
+#define SC_FPC 0x0A0
+#define SC_FPRS 0x0A8
+#define SC_MASK 0x128
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 20:09:11 +0000