diff options
Diffstat (limited to 'sysdeps/s390/elf')
| -rw-r--r-- | sysdeps/s390/elf/bsd-_setjmp.S | 1 | ||||
| -rw-r--r-- | sysdeps/s390/elf/bsd-setjmp.S | 1 | ||||
| -rw-r--r-- | sysdeps/s390/elf/setjmp.S | 56 | ||||
| -rw-r--r-- | sysdeps/s390/elf/start.S | 95 |
4 files changed, 0 insertions, 153 deletions
diff --git a/sysdeps/s390/elf/bsd-_setjmp.S b/sysdeps/s390/elf/bsd-_setjmp.S deleted file mode 100644 index 1417270201..0000000000 --- a/sysdeps/s390/elf/bsd-_setjmp.S +++ /dev/null @@ -1 +0,0 @@ -/* 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 deleted file mode 100644 index 1417270201..0000000000 --- a/sysdeps/s390/elf/bsd-setjmp.S +++ /dev/null @@ -1 +0,0 @@ -/* 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 deleted file mode 100644 index e00c903b69..0000000000 --- a/sysdeps/s390/elf/setjmp.S +++ /dev/null @@ -1,56 +0,0 @@ -/* 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) - -ENTRY(_setjmp) - .weak C_SYMBOL_NAME (_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 deleted file mode 100644 index 1455572af8..0000000000 --- a/sysdeps/s390/elf/start.S +++ /dev/null @@ -1,95 +0,0 @@ -/* 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 |