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57 lines
1.9 KiB
Diff
57 lines
1.9 KiB
Diff
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From ec39b7c91facdd74fddea95128502c25ec3948a3 Mon Sep 17 00:00:00 2001
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From: ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4>
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Date: Wed, 27 May 2015 13:17:11 +0000
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Subject: [PATCH 11/12] [PATCH 4/13] arm musl support
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On behalf of szabolcs.nagy@arm.com
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2015-05-27 Gregor Richards <gregor.richards@uwaterloo.ca>
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* config/arm/linux-eabi.h (MUSL_DYNAMIC_LINKER): Define.
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@223749 138bc75d-0d04-0410-961f-82ee72b054a4
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---
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gcc/config/arm/linux-eabi.h | 17 +++++++++++++++++
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1 file changed, 17 insertions(+)
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--- a/gcc/config/arm/linux-eabi.h
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+++ b/gcc/config/arm/linux-eabi.h
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@@ -77,6 +77,23 @@
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%{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \
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%{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}"
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+/* For ARM musl currently supports four dynamic linkers:
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+ - ld-musl-arm.so.1 - for the EABI-derived soft-float ABI
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+ - ld-musl-armhf.so.1 - for the EABI-derived hard-float ABI
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+ - ld-musl-armeb.so.1 - for the EABI-derived soft-float ABI, EB
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+ - ld-musl-armebhf.so.1 - for the EABI-derived hard-float ABI, EB
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+ musl does not support the legacy OABI mode.
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+ All the dynamic linkers live in /lib.
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+ We default to soft-float, EL. */
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+#undef MUSL_DYNAMIC_LINKER
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+#if TARGET_BIG_ENDIAN_DEFAULT
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+#define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:;:eb}"
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+#else
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+#define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:eb}"
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+#endif
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+#define MUSL_DYNAMIC_LINKER \
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+ "/lib/ld-musl-arm" MUSL_DYNAMIC_LINKER_E "%{mfloat-abi=hard:hf}.so.1"
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+
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/* At this point, bpabi.h will have clobbered LINK_SPEC. We want to
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use the GNU/Linux version, not the generic BPABI version. */
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#undef LINK_SPEC
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--- a/libitm/config/arm/hwcap.cc
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+++ b/libitm/config/arm/hwcap.cc
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@@ -40,7 +40,11 @@ int GTM_hwcap HIDDEN = 0
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#ifdef __linux__
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#include <unistd.h>
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+#ifdef __GLIBC__
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#include <sys/fcntl.h>
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+#else
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+#include <fcntl.h>
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+#endif
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#include <elf.h>
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static void __attribute__((constructor))
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