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authorRoland McGrath <roland@hack.frob.com>2013-06-18 15:42:56 -0700
committerRoland McGrath <roland@hack.frob.com>2013-06-18 15:42:56 -0700
commit733edfb8ae0266c6a6f01ed29e6a2d2ad64a5aa6 (patch)
tree92c82573d8897c7c0f4e348124b54cd02dd649c4 /ports/ChangeLog.arm
parentd7dffa6a558cc3305cb6b51c4153da67af1f374c (diff)
downloadglibc-733edfb8ae0266c6a6f01ed29e6a2d2ad64a5aa6.tar.gz
ARM: Make armv7 memcpy implementations SFI-friendly
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diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm
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@@ -1,5 +1,13 @@
2013-06-18 Roland McGrath <roland@hack.frob.com>
+ * sysdeps/arm/arm-features.h (ARM_BX_NINSNS): New macro.
+ * sysdeps/arm/armv7/multiarch/memcpy_impl.S: Macroize the
+ computed-jump dispatch sections. Use sfi_breg throughout.
+ [ARM_ALWAYS_BX]: Define a different version of the dispatch macros
+ that uses bx rather than add-to-pc, and respects ARM_BX_ALIGN_LOG2.
+ [!USE_NEON] (D_l, D_h): Use r10, r11 rather than r8, r9.
+ (tmp2): Use r8 rather than r10.
+
* sysdeps/arm/armv7/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list)
[__ARM_NEON__]: Do not refer to HWCAP_ARM_NEON.
[!__SOFTFP__]: Do not refer to HWCAP_ARM_VFP.