diff options
Diffstat (limited to 'ports/sysdeps/arm/setjmp.S')
| -rw-r--r-- | ports/sysdeps/arm/setjmp.S | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/ports/sysdeps/arm/setjmp.S b/ports/sysdeps/arm/setjmp.S deleted file mode 100644 index b0b45ed8da..0000000000 --- a/ports/sysdeps/arm/setjmp.S +++ /dev/null @@ -1,126 +0,0 @@ -/* setjmp for ARM. - Copyright (C) 1997-2014 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 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <bits/setjmp.h> -#include <rtld-global-offsets.h> -#include <arm-features.h> - -ENTRY (__sigsetjmp) -#ifdef PTR_MANGLE - PTR_MANGLE_LOAD (a3, ip) -#endif - mov ip, r0 - - /* Save registers */ - sfi_breg ip, \ - stmia \B!, JMP_BUF_REGLIST -#ifdef PTR_MANGLE - mov a4, sp - PTR_MANGLE2 (a4, a4, a3) - str a4, [ip], #4 - PTR_MANGLE2 (a4, lr, a3) - str a4, [ip], #4 -#else - str sp, [ip], #4 - str lr, [ip], #4 -#endif - -#if !defined ARM_ASSUME_NO_IWMMXT || defined __SOFTFP__ -# define NEED_HWCAP 1 -#endif - -#ifdef NEED_HWCAP - /* Check if we have a VFP unit. */ -# ifdef IS_IN_rtld - ldr a3, 1f - ldr a4, .Lrtld_local_ro -0: add a3, pc, a3 - add a3, a3, a4 - ldr a3, [a3, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET] -# else -# ifdef PIC - ldr a3, 1f - ldr a4, .Lrtld_global_ro -0: add a3, pc, a3 - ldr a3, [a3, a4] - ldr a3, [a3, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET] -# else - ldr a3, .Lhwcap - ldr a3, [a3, #0] -# endif -# endif -#endif - -#ifdef __SOFTFP__ - tst a3, #HWCAP_ARM_VFP - beq .Lno_vfp -#endif - - /* Store the VFP registers. - Don't use VFP instructions directly because this code - is used in non-VFP multilibs. */ - /* Following instruction is vstmia ip!, {d8-d15}. */ - sfi_breg ip, \ - stc p11, cr8, [\B], #64 -.Lno_vfp: - -#ifndef ARM_ASSUME_NO_IWMMXT - tst a3, #HWCAP_ARM_IWMMXT - beq .Lno_iwmmxt - - /* Save the call-preserved iWMMXt registers. */ - /* Following instructions are wstrd wr10, [ip], #8 (etc.) */ - sfi_breg r12, \ - stcl p1, cr10, [\B], #8 - sfi_breg r12, \ - stcl p1, cr11, [\B], #8 - sfi_breg r12, \ - stcl p1, cr12, [\B], #8 - sfi_breg r12, \ - stcl p1, cr13, [\B], #8 - sfi_breg r12, \ - stcl p1, cr14, [\B], #8 - sfi_breg r12, \ - stcl p1, cr15, [\B], #8 -.Lno_iwmmxt: -#endif - - /* Make a tail call to __sigjmp_save; it takes the same args. */ - B PLTJMP(C_SYMBOL_NAME(__sigjmp_save)) - -#ifdef NEED_HWCAP -# ifdef IS_IN_rtld -1: .long _GLOBAL_OFFSET_TABLE_ - 0b - PC_OFS -.Lrtld_local_ro: - .long C_SYMBOL_NAME(_rtld_local_ro)(GOTOFF) -# else -# ifdef PIC -1: .long _GLOBAL_OFFSET_TABLE_ - 0b - PC_OFS -.Lrtld_global_ro: - .long C_SYMBOL_NAME(_rtld_global_ro)(GOT) -# else -.Lhwcap: - .long C_SYMBOL_NAME(_dl_hwcap) -# endif -# endif -#endif - -END (__sigsetjmp) - -hidden_def (__sigsetjmp) |