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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.
69 lines
2.4 KiB
ArmAsm
69 lines
2.4 KiB
ArmAsm
/* setjmp for s390, ELF version.
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Copyright (C) 2000, 2002 Free Software Foundation, Inc.
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Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#define _ASM
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#define _SETJMP_H
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#include <bits/setjmp.h>
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/* We include the BSD entry points here as well but we make
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them weak. */
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ENTRY (setjmp)
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.weak C_SYMBOL_NAME (setjmp)
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lhi %r3,1 /* second argument of one */
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j .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */
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END (setjmp)
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/* Binary compatibility entry point. */
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ENTRY(_setjmp)
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.weak C_SYMBOL_NAME (_setjmp)
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lhi %r3,0 /* second argument of zero */
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j .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */
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END (_setjmp)
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libc_hidden_def (_setjmp)
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ENTRY(__setjmp)
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lhi %r3,0 /* second argument of zero */
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j .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */
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END (__setjmp)
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ENTRY(__sigsetjmp)
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.Linternal_sigsetjmp:
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stm %r6,%r15,0(%r2) /* store registers in jmp_buf */
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std %f4,40(%r2)
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std %f6,48(%r2)
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#ifdef PIC
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/* We cannot use the PLT, because it requires that %r12 be set, but
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we can't save and restore our caller's value. Instead, we do an
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indirect jump through the GOT. */
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basr %r1,0
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.L0: al %r1,.L1 - .L0(0,%r1) /* get address of global offset table */
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/* get address of __sigjmp_save from got */
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l %r1,__sigjmp_save@GOT12(0,%r1)
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br %r1
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.L1: .long _GLOBAL_OFFSET_TABLE_ - .L0
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#else
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basr %r1,0
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.L0: l %r1,.L1-.L0(0,%r1) /* load address of __sigjmp_save */
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br %r1 /* tail-call __sigjmp_save */
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.L1: .long __sigjmp_save
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#endif
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END (__sigsetjmp)
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