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Diffstat (limited to 'ports/sysdeps/arm/__longjmp.S')
| -rw-r--r-- | ports/sysdeps/arm/__longjmp.S | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/ports/sysdeps/arm/__longjmp.S b/ports/sysdeps/arm/__longjmp.S deleted file mode 100644 index 27c57a12df..0000000000 --- a/ports/sysdeps/arm/__longjmp.S +++ /dev/null @@ -1,140 +0,0 @@ -/* longjmp 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> - -/* __longjmp(jmpbuf, val) */ - -ENTRY (__longjmp) - mov ip, r0 - movs r0, r1 /* get the return value in place */ - it eq - moveq r0, #1 /* can't let setjmp() return zero! */ - -#ifdef CHECK_SP - sfi_breg ip, \ - ldr r4, [\B, #32] /* jmpbuf's sp */ - cfi_undefined (r4) -#ifdef PTR_DEMANGLE - PTR_DEMANGLE (r4, r4, a3, a4) -#endif - CHECK_SP (r4) -#endif - sfi_sp sfi_breg ip, \ - ldmia \B!, JMP_BUF_REGLIST -#ifdef PTR_DEMANGLE - ldr a4, [ip], #4 - PTR_DEMANGLE (a4, a4, a3, a2) - mov sp, a4 - ldr a4, [ip], #4 - PTR_DEMANGLE2 (lr, a4, a3) -#else - ldr sp, [ip], #4 - ldr lr, [ip], #4 -#endif - cfi_restore (v1) - cfi_restore (v2) - cfi_restore (v3) - cfi_restore (v4) - cfi_restore (v5) - cfi_restore (v6) - cfi_restore (sl) - cfi_restore (fp) - cfi_restore (sp) - cfi_restore (lr) - -#if !defined ARM_ASSUME_NO_IWMMXT || defined __SOFTFP__ -# define NEED_HWCAP 1 -#endif - -#ifdef NEED_HWCAP -# ifdef IS_IN_rtld - ldr a2, 1f - ldr a3, .Lrtld_local_ro -0: add a2, pc, a2 - add a2, a2, a3 - ldr a2, [a2, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET] -# else -# ifdef PIC - ldr a2, 1f - ldr a3, .Lrtld_global_ro -0: add a2, pc, a2 - ldr a2, [a2, a3] - ldr a2, [a2, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET] -# else - ldr a2, .Lhwcap - ldr a2, [a2, #0] -# endif -# endif -#endif - -#ifdef __SOFTFP__ - tst a2, #HWCAP_ARM_VFP - beq .Lno_vfp -#endif - - /* Restore the VFP registers. */ - /* Following instruction is vldmia ip!, {d8-d15}. */ - sfi_breg r12, \ - ldc p11, cr8, [\B], #64 -.Lno_vfp: - -#ifndef ARM_ASSUME_NO_IWMMXT - tst a2, #HWCAP_ARM_IWMMXT - beq .Lno_iwmmxt - - /* Restore the call-preserved iWMMXt registers. */ - /* Following instructions are wldrd wr10, [ip], #8 (etc.) */ - sfi_breg r12, \ - ldcl p1, cr10, [\B], #8 - sfi_breg r12, \ - ldcl p1, cr11, [\B], #8 - sfi_breg r12, \ - ldcl p1, cr12, [\B], #8 - sfi_breg r12, \ - ldcl p1, cr13, [\B], #8 - sfi_breg r12, \ - ldcl p1, cr14, [\B], #8 - sfi_breg r12, \ - ldcl p1, cr15, [\B], #8 -.Lno_iwmmxt: -#endif - - DO_RET(lr) - -#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 (__longjmp) |