diff options
Diffstat (limited to 'sysdeps/arm/setjmp.S')
| -rw-r--r-- | sysdeps/arm/setjmp.S | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/sysdeps/arm/setjmp.S b/sysdeps/arm/setjmp.S deleted file mode 100644 index 2235890936..0000000000 --- a/sysdeps/arm/setjmp.S +++ /dev/null @@ -1,101 +0,0 @@ -/* setjmp for ARM. - Copyright (C) 1997-2017 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 <stap-probe.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 - - /* setjmp probe expects sigsetjmp first argument (4@r0), second - argument (-4@r1), and target address (4@r14), respectively. */ - LIBC_PROBE (setjmp, 3, 4@r0, -4@r1, 4@r14) - - /* Save sp and lr */ -#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 - /* Save registers */ - stmia ip!, JMP_BUF_REGLIST - -#if !defined ARM_ASSUME_NO_IWMMXT || defined __SOFTFP__ -# define NEED_HWCAP 1 -#endif - -#ifdef NEED_HWCAP - /* Check if we have a VFP unit. */ -# if IS_IN (rtld) - LDST_PCREL (ldr, a3, a4, \ - C_SYMBOL_NAME(_rtld_local_ro) \ - + RTLD_GLOBAL_RO_DL_HWCAP_OFFSET) -# else -# ifdef SHARED - LDR_GLOBAL (a3, a4, C_SYMBOL_NAME(_rtld_global_ro), \ - RTLD_GLOBAL_RO_DL_HWCAP_OFFSET) -# else - LDR_GLOBAL (a3, a4, C_SYMBOL_NAME(_dl_hwcap), 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}. */ - stc p11, cr8, [ip], #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.) */ - stcl p1, cr10, [r12], #8 - stcl p1, cr11, [r12], #8 - stcl p1, cr12, [r12], #8 - stcl p1, cr13, [r12], #8 - stcl p1, cr14, [r12], #8 - stcl p1, cr15, [r12], #8 -.Lno_iwmmxt: -#endif - - /* Make a tail call to __sigjmp_save; it takes the same args. */ - B PLTJMP(C_SYMBOL_NAME(__sigjmp_save)) - -END (__sigsetjmp) - -hidden_def (__sigsetjmp) |