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103 lines
3.7 KiB
103 lines
3.7 KiB
7 years ago
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# commit 02f04a6c7fea2b474b026bbce721d8c658d71fda
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# Author: Alan Modra <amodra@gmail.com>
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# Date: Sat Aug 17 18:36:11 2013 +0930
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#
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# PowerPC LE _dl_hwcap access
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# http://sourceware.org/ml/libc-alpha/2013-08/msg00091.html
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#
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# More LE support, correcting word accesses to _dl_hwcap.
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#
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# * sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S: Use
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# HIWORD/LOWORD.
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# * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S: Ditto.
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# * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S: Ditto.
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#
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diff -urN glibc-2.17-c758a686/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S glibc-2.17-c758a686/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S
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--- glibc-2.17-c758a686/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S 2014-05-27 23:25:35.000000000 -0500
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+++ glibc-2.17-c758a686/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S 2014-05-27 23:25:38.000000000 -0500
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@@ -151,15 +151,15 @@
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# ifdef SHARED
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lwz r7,_rtld_global_ro@got(r7)
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mtlr r8
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- lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(r7)
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+ lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+LOWORD(r7)
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# else
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lwz r7,_dl_hwcap@got(r7)
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mtlr r8
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- lwz r7,4(r7)
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+ lwz r7,LOWORD(r7)
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# endif
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# else
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- lis r7,(_dl_hwcap+4)@ha
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- lwz r7,(_dl_hwcap+4)@l(r7)
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+ lis r7,(_dl_hwcap+LOWORD)@ha
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+ lwz r7,(_dl_hwcap+LOWORD)@l(r7)
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# endif
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andis. r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16)
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diff -urN glibc-2.17-c758a686/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S glibc-2.17-c758a686/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S
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--- glibc-2.17-c758a686/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S 2014-05-27 23:25:35.000000000 -0500
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+++ glibc-2.17-c758a686/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S 2014-05-27 23:25:38.000000000 -0500
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@@ -79,15 +79,15 @@
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# ifdef SHARED
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lwz r7,_rtld_global_ro@got(r7)
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mtlr r8
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- lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(r7)
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+ lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+LOWORD(r7)
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# else
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lwz r7,_dl_hwcap@got(r7)
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mtlr r8
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- lwz r7,4(r7)
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+ lwz r7,LOWORD(r7)
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# endif
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#else
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- lis r7,(_dl_hwcap+4)@ha
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- lwz r7,(_dl_hwcap+4)@l(r7)
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+ lis r7,(_dl_hwcap+LOWORD)@ha
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+ lwz r7,(_dl_hwcap+LOWORD)@l(r7)
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#endif
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#ifdef __CONTEXT_ENABLE_FPRS
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diff -urN glibc-2.17-c758a686/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S glibc-2.17-c758a686/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S
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--- glibc-2.17-c758a686/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S 2014-05-27 23:25:35.000000000 -0500
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+++ glibc-2.17-c758a686/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S 2014-05-27 23:25:38.000000000 -0500
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@@ -152,15 +152,15 @@
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# ifdef SHARED
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lwz r7,_rtld_global_ro@got(r7)
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mtlr r8
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- lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(r7)
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+ lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+LOWORD(r7)
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# else
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lwz r7,_dl_hwcap@got(r7)
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mtlr r8
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- lwz r7,4(r7)
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+ lwz r7,LOWORD(r7)
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# endif
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# else
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- lis r7,(_dl_hwcap+4)@ha
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- lwz r7,(_dl_hwcap+4)@l(r7)
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+ lis r7,(_dl_hwcap+LOWORD)@ha
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+ lwz r7,(_dl_hwcap+LOWORD)@l(r7)
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# endif
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# ifdef __CONTEXT_ENABLE_VRS
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@@ -308,14 +308,14 @@
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mtlr r8
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# ifdef SHARED
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lwz r7,_rtld_global_ro@got(r7)
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- lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(r7)
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+ lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+LOWORD(r7)
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# else
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lwz r7,_dl_hwcap@got(r7)
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- lwz r7,4(r7)
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+ lwz r7,LOWORD(r7)
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# endif
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# else
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- lis r7,(_dl_hwcap+4)@ha
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- lwz r7,(_dl_hwcap+4)@l(r7)
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+ lis r7,(_dl_hwcap+LOWORD)@ha
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+ lwz r7,(_dl_hwcap+LOWORD)@l(r7)
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# endif
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andis. r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16)
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la r10,(_UC_VREGS)(r31)
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