Index: gcc-4.9.0/gcc/config.gcc =================================================================== --- gcc-4.9.0.orig/gcc/config.gcc +++ gcc-4.9.0/gcc/config.gcc @@ -2323,6 +2323,10 @@ powerpc*-*-linux*) powerpc*-*-linux*paired*) tm_file="${tm_file} rs6000/750cl.h" ;; esac + case ${target} in + *-linux*-musl*) + enable_secureplt=yes ;; + esac if test x${enable_secureplt} = xyes; then tm_file="rs6000/secureplt.h ${tm_file}" fi Index: gcc-4.9.0/gcc/config/aarch64/aarch64-linux.h =================================================================== --- gcc-4.9.0.orig/gcc/config/aarch64/aarch64-linux.h +++ gcc-4.9.0/gcc/config/aarch64/aarch64-linux.h @@ -23,6 +23,8 @@ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-aarch64%{mbig-endian:_be}.so.1" +#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-aarch64.so.1" + #define CPP_SPEC "%{pthread:-D_REENTRANT}" #define LINUX_TARGET_LINK_SPEC "%{h*} \ Index: gcc-4.9.0/gcc/config/arm/linux-eabi.h =================================================================== --- gcc-4.9.0.orig/gcc/config/arm/linux-eabi.h +++ gcc-4.9.0/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 Index: gcc-4.9.0/gcc/config/i386/linux.h =================================================================== --- gcc-4.9.0.orig/gcc/config/i386/linux.h +++ gcc-4.9.0/gcc/config/i386/linux.h @@ -21,3 +21,4 @@ along with GCC; see the file COPYING3. #define GNU_USER_LINK_EMULATION "elf_i386" #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" +#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1" Index: gcc-4.9.0/gcc/config/i386/linux64.h =================================================================== --- gcc-4.9.0.orig/gcc/config/i386/linux64.h +++ gcc-4.9.0/gcc/config/i386/linux64.h @@ -30,3 +30,7 @@ see the files COPYING3 and COPYING.RUNTI #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2" #define GLIBC_DYNAMIC_LINKERX32 "/libx32/ld-linux-x32.so.2" + +#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1" +#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1" +#define MUSL_DYNAMIC_LINKERX32 "/lib/ld-musl-x32.so.1" Index: gcc-4.9.0/gcc/config/microblaze/linux.h =================================================================== --- gcc-4.9.0.orig/gcc/config/microblaze/linux.h +++ gcc-4.9.0/gcc/config/microblaze/linux.h @@ -25,7 +25,22 @@ #undef TLS_NEEDS_GOT #define TLS_NEEDS_GOT 1 -#define DYNAMIC_LINKER "/lib/ld.so.1" +#if TARGET_BIG_ENDIAN_DEFAULT == 0 /* LE */ +#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}" +#else +#define MUSL_DYNAMIC_LINKER_E "%{EL:el}" +#endif + +#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-microblaze" MUSL_DYNAMIC_LINKER_E ".so.1" +#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" + +#if DEFAULT_LIBC == LIBC_MUSL +#define DYNAMIC_LINKER MUSL_DYNAMIC_LINKER +#else +#define DYNAMIC_LINKER GLIBC_DYNAMIC_LINKER +#endif + + #undef SUBTARGET_EXTRA_SPECS #define SUBTARGET_EXTRA_SPECS \ { "dynamic_linker", DYNAMIC_LINKER } Index: gcc-4.9.0/gcc/config/mips/linux.h =================================================================== --- gcc-4.9.0.orig/gcc/config/mips/linux.h +++ gcc-4.9.0/gcc/config/mips/linux.h @@ -23,3 +23,10 @@ along with GCC; see the file COPYING3. #undef UCLIBC_DYNAMIC_LINKER #define UCLIBC_DYNAMIC_LINKER \ "%{mnan=2008:/lib/ld-uClibc-mipsn8.so.0;:/lib/ld-uClibc.so.0}" + +#if TARGET_ENDIAN_DEFAULT == 0 /* LE */ +#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}" +#else +#define MUSL_DYNAMIC_LINKER_E "%{EL:el}" +#endif +#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips" MUSL_DYNAMIC_LINKER_E ".so.1" Index: gcc-4.9.0/gcc/config/rs6000/linux64.h =================================================================== --- gcc-4.9.0.orig/gcc/config/rs6000/linux64.h +++ gcc-4.9.0/gcc/config/rs6000/linux64.h @@ -375,17 +375,21 @@ extern int dot_symbols; #endif #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0" #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0" +#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-powerpc.so.1" +#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-powerpc64.so.1" #if DEFAULT_LIBC == LIBC_UCLIBC -#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}" +#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}" #elif DEFAULT_LIBC == LIBC_GLIBC -#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}" +#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}" +#elif DEFAULT_LIBC == LIBC_MUSL +#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}" #else #error "Unsupported DEFAULT_LIBC" #endif #define GNU_USER_DYNAMIC_LINKER32 \ - CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32) + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32) #define GNU_USER_DYNAMIC_LINKER64 \ - CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64) + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64) #undef DEFAULT_ASM_ENDIAN #if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN) Index: gcc-4.9.0/gcc/config/rs6000/secureplt.h =================================================================== --- gcc-4.9.0.orig/gcc/config/rs6000/secureplt.h +++ gcc-4.9.0/gcc/config/rs6000/secureplt.h @@ -18,3 +18,4 @@ along with GCC; see the file COPYING3. . */ #define CC1_SECURE_PLT_DEFAULT_SPEC "-msecure-plt" +#define LINK_SECURE_PLT_DEFAULT_SPEC "--secure-plt" Index: gcc-4.9.0/gcc/config/rs6000/sysv4.h =================================================================== --- gcc-4.9.0.orig/gcc/config/rs6000/sysv4.h +++ gcc-4.9.0/gcc/config/rs6000/sysv4.h @@ -537,6 +537,9 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEF #ifndef CC1_SECURE_PLT_DEFAULT_SPEC #define CC1_SECURE_PLT_DEFAULT_SPEC "" #endif +#ifndef LINK_SECURE_PLT_DEFAULT_SPEC +#define LINK_SECURE_PLT_DEFAULT_SPEC "" +#endif /* Pass -G xxx to the compiler. */ #define CC1_SPEC "%{G*} %(cc1_cpu)" \ @@ -585,7 +588,8 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEF /* Override the default target of the linker. */ #define LINK_TARGET_SPEC \ - ENDIAN_SELECT("", " --oformat elf32-powerpcle", "") + ENDIAN_SELECT("", " --oformat elf32-powerpcle", "") \ + "%{!mbss-plt: %{!msecure-plt: %(link_secure_plt_default)}}" /* Any specific OS flags. */ #define LINK_OS_SPEC "\ @@ -763,15 +767,18 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEF #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0" +#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-powerpc.so.1" #if DEFAULT_LIBC == LIBC_UCLIBC -#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}" +#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}" +#elif DEFAULT_LIBC == LIBC_MUSL +#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}" #elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC -#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}" +#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}" #else #error "Unsupported DEFAULT_LIBC" #endif #define GNU_USER_DYNAMIC_LINKER \ - CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER) + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER) #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \ %{rdynamic:-export-dynamic} \ @@ -894,6 +901,7 @@ ncrtn.o%s" { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \ { "link_os_default", LINK_OS_DEFAULT_SPEC }, \ { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \ + { "link_secure_plt_default", LINK_SECURE_PLT_DEFAULT_SPEC }, \ { "cpp_os_ads", CPP_OS_ADS_SPEC }, \ { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \ { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \ Index: gcc-4.9.0/gcc/config/sh/linux.h =================================================================== --- gcc-4.9.0.orig/gcc/config/sh/linux.h +++ gcc-4.9.0/gcc/config/sh/linux.h @@ -43,7 +43,14 @@ along with GCC; see the file COPYING3. #define TARGET_ASM_FILE_END file_end_indicate_exec_stack +#if TARGET_BIG_ENDIAN_DEFAULT /* BE */ +#define MUSL_DYNAMIC_LINKER_E "eb" +#else +#define MUSL_DYNAMIC_LINKER_E +#endif + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" +#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-sh" MUSL_DYNAMIC_LINKER_E ".so.1" #undef SUBTARGET_LINK_EMUL_SUFFIX #define SUBTARGET_LINK_EMUL_SUFFIX "_linux" Index: gcc-4.9.0/libitm/config/arm/hwcap.cc =================================================================== --- gcc-4.9.0.orig/libitm/config/arm/hwcap.cc +++ gcc-4.9.0/libitm/config/arm/hwcap.cc @@ -40,7 +40,11 @@ int GTM_hwcap HIDDEN = 0 #ifdef __linux__ #include +#ifdef __GLIBC__ #include +#else +#include +#endif #include static void __attribute__((constructor)) Index: gcc-4.9.0/libitm/config/linux/x86/tls.h =================================================================== --- gcc-4.9.0.orig/libitm/config/linux/x86/tls.h +++ gcc-4.9.0/libitm/config/linux/x86/tls.h @@ -25,16 +25,19 @@ #ifndef LIBITM_X86_TLS_H #define LIBITM_X86_TLS_H 1 -#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10) +#if defined(__GLIBC_PREREQ) +#if __GLIBC_PREREQ(2, 10) /* Use slots in the TCB head rather than __thread lookups. GLIBC has reserved words 10 through 13 for TM. */ #define HAVE_ARCH_GTM_THREAD 1 #define HAVE_ARCH_GTM_THREAD_DISP 1 #endif +#endif #include "config/generic/tls.h" -#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10) +#if defined(__GLIBC_PREREQ) +#if __GLIBC_PREREQ(2, 10) namespace GTM HIDDEN { #ifdef __x86_64__ @@ -101,5 +104,6 @@ static inline void set_abi_disp(struct a } // namespace GTM #endif /* >= GLIBC 2.10 */ +#endif #endif // LIBITM_X86_TLS_H