diff options
| author | Roland McGrath <roland@hack.frob.com> | 2012-08-09 16:17:14 -0700 |
|---|---|---|
| committer | Roland McGrath <roland@hack.frob.com> | 2012-08-09 16:37:50 -0700 |
| commit | 2aa5b9c146ae9a3efabd430b12cddb635bc29164 (patch) | |
| tree | f5f4b220d3426044daf25e74283f94c1091c1824 /ports/sysdeps/arm/__longjmp.S | |
| parent | 7f540252876b853889c9482c9086ac1c55fe6e3c (diff) | |
| download | glibc-2aa5b9c146ae9a3efabd430b12cddb635bc29164.tar.gz glibc-2aa5b9c146ae9a3efabd430b12cddb635bc29164.tar.xz glibc-2aa5b9c146ae9a3efabd430b12cddb635bc29164.zip | |
Make ARM setjmp/longjmp respect ARM_ASSUME_NO_IWMMXT macro.
Diffstat (limited to 'ports/sysdeps/arm/__longjmp.S')
| -rw-r--r-- | ports/sysdeps/arm/__longjmp.S | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/ports/sysdeps/arm/__longjmp.S b/ports/sysdeps/arm/__longjmp.S index aa5cf74ad0..b3c286083c 100644 --- a/ports/sysdeps/arm/__longjmp.S +++ b/ports/sysdeps/arm/__longjmp.S @@ -21,6 +21,7 @@ #define _ASM #include <bits/setjmp.h> #include <rtld-global-offsets.h> +#include <arm-features.h> /* __longjmp(jmpbuf, val) */ @@ -46,23 +47,29 @@ ENTRY (__longjmp) cfi_restore (sp) cfi_restore (lr) -#ifdef IS_IN_rtld +#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 +# 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 +# else ldr a2, .Lhwcap ldr a2, [a2, #0] -#endif +# endif +# endif #endif #ifdef __SOFTFP__ @@ -79,6 +86,7 @@ ENTRY (__longjmp) mcr p10, 7, a3, cr1, cr0, 0 .Lno_vfp: +#ifndef ARM_ASSUME_NO_IWMMXT tst a2, #HWCAP_ARM_IWMMXT beq .Lno_iwmmxt @@ -91,22 +99,25 @@ ENTRY (__longjmp) ldcl p1, cr14, [r12], #8 ldcl p1, cr15, [r12], #8 .Lno_iwmmxt: +#endif DO_RET(lr) -#ifdef IS_IN_rtld +#ifdef NEED_HWCAP +# ifdef IS_IN_rtld 1: .long _GLOBAL_OFFSET_TABLE_ - 0b - 8 .Lrtld_local_ro: .long C_SYMBOL_NAME(_rtld_local_ro)(GOTOFF) -#else -#ifdef PIC +# else +# ifdef PIC 1: .long _GLOBAL_OFFSET_TABLE_ - 0b - 8 .Lrtld_global_ro: .long C_SYMBOL_NAME(_rtld_global_ro)(GOT) -#else +# else .Lhwcap: .long C_SYMBOL_NAME(_dl_hwcap) -#endif +# endif +# endif #endif END (__longjmp) |