blob: f39ff5246897c94eb2aed13f5b44843aae091704 (
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--- a/gcc/config/arm/linux-eabi.h
+++ b/gcc/config/arm/linux-eabi.h
@@ -77,6 +77,23 @@
%{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \
%{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}"
+/* For ARM musl currently supports four dynamic linkers:
+ - ld-musl-arm.so.1 - for the EABI-derived soft-float ABI
+ - ld-musl-armhf.so.1 - for the EABI-derived hard-float ABI
+ - ld-musl-armeb.so.1 - for the EABI-derived soft-float ABI, EB
+ - ld-musl-armebhf.so.1 - for the EABI-derived hard-float ABI, EB
+ musl does not support the legacy OABI mode.
+ All the dynamic linkers live in /lib.
+ We default to soft-float, EL. */
+#undef MUSL_DYNAMIC_LINKER
+#if TARGET_BIG_ENDIAN_DEFAULT
+#define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:;:eb}"
+#else
+#define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:eb}"
+#endif
+#define MUSL_DYNAMIC_LINKER \
+ "/lib/ld-musl-arm" MUSL_DYNAMIC_LINKER_E "%{mfloat-abi=hard:hf}.so.1"
+
/* At this point, bpabi.h will have clobbered LINK_SPEC. We want to
use the GNU/Linux version, not the generic BPABI version. */
#undef LINK_SPEC
--- a/libitm/config/arm/hwcap.cc
+++ b/libitm/config/arm/hwcap.cc
@@ -40,7 +40,11 @@ int GTM_hwcap HIDDEN = 0
#ifdef __linux__
#include <unistd.h>
+#ifdef __GLIBC__
#include <sys/fcntl.h>
+#else
+#include <fcntl.h>
+#endif
#include <elf.h>
static void __attribute__((constructor))
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