mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
844a34a2ae
2003-12-05 Martin Schwidefsky <schwidefsky@de.ibm.com> * sysdeps/s390/s390-32/elf/setjmp.S (setjmp, __setjmp): Add END statements. * sysdeps/s390/s390-64/elf/setjmp.S (setjmp, __setjmp): Likewise. * sysdeps/s390/s390-32/sysdep.h (ENTRY): Add cfi_startproc directive. (END): Add cfi_endproc directive. * sysdeps/s390/s390-64/sysdep.h (ENTRY, END): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/socket.S (__socket): Remove cfi_startproc and cfi_endproc directive. * sysdeps/unix/sysv/linux/s390/s390-64/socket.S (__socket): Likewise. * sysdeps/s390/s390-32/addmul_1.S (__mpn_addmul_1): Add CFI directives. * sysdeps/s390/s390-32/add_n.S (__mpn_add_n): Likewise. * sysdeps/s390/s390-64/add_n.S (__mpn_add_n): Likewise. * sysdeps/s390/s390-32/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Likewise. * sysdeps/s390/s390-64/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Likewise. * sysdeps/s390/s390-32/mul_1.S (__mpn_mul_1): Likewise. * sysdeps/s390/s390-32/sub_n.S (__mpn_sub_n): Likewise. * sysdeps/s390/s390-64/sub_n.S (__mpn_sub_n): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S (__mmap64): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/mmap.S (__mmap): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/syscall.S (syscall): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/syscall.S (syscall): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Add CFI directives. Move thread_start out of ENTRY/PSEUDO_END block to make backchain terminate. * sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise. * sysdeps/s390/s390-32/backtrace.c (trace_arg): New structure. (unwind_backtrace, unwind_getip): New variables. (init, __backchain_backtrace, backtrace_helper): New functions. (__backtrace): Use unwind info for backtrace instead of backchain walking if the unwind functions can be found. * sysdeps/s390/s390-64/backtrace.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c: New file. * sysdeps/unix/sysv/linux/s390/sys/procfs.h (ELF_NGREG32): New #define. (elf_greg_t32, elf_gregset_t32, elf_fpregset_t32): New types. (elf_prstatus32, elf_prpsinfo32): New structures. (prgregset32_t, prfpregset32_t, prstatus32_t, prpsinfo32_t): New types. * scripts/data/c++-types-s390-linux-gnu.data: New file. * scripts/data/c++-types-s390x-linux-gnu.data: New file.
68 lines
2.4 KiB
ArmAsm
68 lines
2.4 KiB
ArmAsm
/* 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.
|
|
|
|
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. */
|
|
|
|
#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 */
|
|
cfi_offset (%r15, -36)
|
|
cfi_offset (%r14, -40)
|
|
cfi_offset (%r13, -44)
|
|
cfi_offset (%r12, -48)
|
|
cfi_offset (%r11, -52)
|
|
cfi_offset (%r10, -56)
|
|
cfi_offset (%r9, -60)
|
|
cfi_offset (%r8, -64)
|
|
cfi_offset (%r7, -68)
|
|
cfi_offset (%r6, -72)
|
|
lr %r1,%r15
|
|
l %r0,4(0,%r15) /* load eos */
|
|
ahi %r15,-96 /* buy stack space */
|
|
cfi_adjust_cfa_offset (96)
|
|
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
|
|
0: cl %r1,4f-0b(%r7) /* svc number < 256? */
|
|
jl 2f
|
|
1: svc 0
|
|
j 3f
|
|
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 */
|
|
|
|
lhi %r0,-4095
|
|
clr %r2,%r0 /* check R2 for error */
|
|
jnl SYSCALL_ERROR_LABEL
|
|
br %r14 /* return to caller */
|
|
4: .long 256
|
|
PSEUDO_END (syscall)
|