diff options
| -rw-r--r-- | sysdeps/arm/elf/setjmp.S | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/sysdeps/arm/elf/setjmp.S b/sysdeps/arm/elf/setjmp.S deleted file mode 100644 index 51572ca515..0000000000 --- a/sysdeps/arm/elf/setjmp.S +++ /dev/null @@ -1,76 +0,0 @@ -/* setjmp for arm, ELF version. - Copyright (C) 1995, 1996, 1997, 1998 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 _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) - @ call comes here with - @ lr = return pc - @ r0 = &jump_buf - - @ add a second argument into the fray - mov r1, #1 - @ call the common code - b __sigsetjmp(PLT) -END (setjmp) - - /* Binary compatibility entry point. */ -ENTRY (_setjmp) - .weak C_SYMBOL_NAME (_setjmp) -ENTRY (__setjmp) - @ call comes here with - @ lr = return pc - @ r0 = &jump_buf - - @ add a second argument into the fray - mov r1, #1 - @ fall through to the common code.... - -ENTRY (__sigsetjmp) - @ save the registers into the jmp_buf.... - stmia r0, {r1-r6, sl, fp, sp, lr} - - /* Make a tail call to __sigjmp_save; it takes the same args. */ -#ifdef PIC - /* We cannot use the PLT, because it requires that sl==r10 be set, but - we can't save and restore our caller's value. Instead, we do an - indirect jump through the GOT, using for the temporary register - ip, which is call-clobbered. */ - ldr ip, 1f - add ip, ip, pc -2: @ get the address of __sigjmp_save - ldr r1, 3f - ldr ip, [ip, r1] - @ restore r1 - ldr r1, [r0] - @ jump to *__sigjmp_save - mov pc, ip -1: .word _GLOBAL_OFFSET_TABLE_ - 2b - 4 -3: .word __sigjmp_save(GOT) - -#else - b __sigjmp_save -#endif -END (__sigsetjmp) |