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c7b9a9bd70
This gets gcc and friends working with musl-libc. GDB and Strace patches come from openwrt. Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>
46 lines
1.7 KiB
Diff
46 lines
1.7 KiB
Diff
From: ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4>
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Date: Wed, 27 May 2015 13:17:11 +0000 (+0000)
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Subject: [PATCH 4/13] arm musl support
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X-Git-Url: https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff_plain;h=de799bd087ab9a179768fea75bd195a31d3432a4
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[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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diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h
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index 2cf3ca7..d51376f 100644
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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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