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| author | Alan Modra <amodra@gmail.com> | 2013-08-17 18:36:11 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2013-10-04 10:38:46 +0930 |
| commit | 02f04a6c7fea2b474b026bbce721d8c658d71fda (patch) | |
| tree | 3d19afaf78126459c759d3403c1bf52134389651 | |
| parent | 9b874b2f1eb2550e39d3e9c38772e64a767e9de2 (diff) | |
| download | glibc-02f04a6c7fea2b474b026bbce721d8c658d71fda.tar glibc-02f04a6c7fea2b474b026bbce721d8c658d71fda.tar.gz glibc-02f04a6c7fea2b474b026bbce721d8c658d71fda.tar.bz2 glibc-02f04a6c7fea2b474b026bbce721d8c658d71fda.zip | |
PowerPC LE _dl_hwcap access
http://sourceware.org/ml/libc-alpha/2013-08/msg00091.html
More LE support, correcting word accesses to _dl_hwcap.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S: Use
HIWORD/LOWORD.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S: Ditto.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S: Ditto.
4 files changed, 23 insertions, 16 deletions
@@ -1,5 +1,12 @@ 2013-10-04 Alan Modra <amodra@gmail.com> + * sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S: Use + HIWORD/LOWORD. + * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S: Ditto. + * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S: Ditto. + +2013-10-04 Alan Modra <amodra@gmail.com> + * sysdeps/powerpc/longjmp.c: Use proper symbol versioning macros. * sysdeps/powerpc/novmx-longjmp.c: Likewise. * sysdeps/powerpc/powerpc32/bsd-_setjmp.S: Likewise. diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S index 6330780378..14f39d6611 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S @@ -151,15 +151,15 @@ ENTRY(__CONTEXT_FUNC_NAME) # ifdef SHARED lwz r7,_rtld_global_ro@got(r7) mtlr r8 - lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(r7) + lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+LOWORD(r7) # else lwz r7,_dl_hwcap@got(r7) mtlr r8 - lwz r7,4(r7) + lwz r7,LOWORD(r7) # endif # else - lis r7,(_dl_hwcap+4)@ha - lwz r7,(_dl_hwcap+4)@l(r7) + lis r7,(_dl_hwcap+LOWORD)@ha + lwz r7,(_dl_hwcap+LOWORD)@l(r7) # endif andis. r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S index bedebf0acf..f980d282ae 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S @@ -79,15 +79,15 @@ ENTRY(__CONTEXT_FUNC_NAME) # ifdef SHARED lwz r7,_rtld_global_ro@got(r7) mtlr r8 - lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(r7) + lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+LOWORD(r7) # else lwz r7,_dl_hwcap@got(r7) mtlr r8 - lwz r7,4(r7) + lwz r7,LOWORD(r7) # endif #else - lis r7,(_dl_hwcap+4)@ha - lwz r7,(_dl_hwcap+4)@l(r7) + lis r7,(_dl_hwcap+LOWORD)@ha + lwz r7,(_dl_hwcap+LOWORD)@l(r7) #endif #ifdef __CONTEXT_ENABLE_FPRS diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S index 21c2e1fc7d..90d7d72128 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S @@ -152,15 +152,15 @@ ENTRY(__CONTEXT_FUNC_NAME) # ifdef SHARED lwz r7,_rtld_global_ro@got(r7) mtlr r8 - lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(r7) + lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+LOWORD(r7) # else lwz r7,_dl_hwcap@got(r7) mtlr r8 - lwz r7,4(r7) + lwz r7,LOWORD(r7) # endif # else - lis r7,(_dl_hwcap+4)@ha - lwz r7,(_dl_hwcap+4)@l(r7) + lis r7,(_dl_hwcap+LOWORD)@ha + lwz r7,(_dl_hwcap+LOWORD)@l(r7) # endif # ifdef __CONTEXT_ENABLE_VRS @@ -308,14 +308,14 @@ ENTRY(__CONTEXT_FUNC_NAME) mtlr r8 # ifdef SHARED lwz r7,_rtld_global_ro@got(r7) - lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(r7) + lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+LOWORD(r7) # else lwz r7,_dl_hwcap@got(r7) - lwz r7,4(r7) + lwz r7,LOWORD(r7) # endif # else - lis r7,(_dl_hwcap+4)@ha - lwz r7,(_dl_hwcap+4)@l(r7) + lis r7,(_dl_hwcap+LOWORD)@ha + lwz r7,(_dl_hwcap+LOWORD)@l(r7) # endif andis. r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16) la r10,(_UC_VREGS)(r31) |