| Add support for musl on ppc32 |
| |
| Signed-off-by: Waldemar Brodkorb <wbx@openadk.org> |
| |
| diff -Nur gcc-5.4.0.orig/gcc/config/rs6000/sysv4.h gcc-5.4.0/gcc/config/rs6000/sysv4.h |
| --- gcc-5.4.0.orig/gcc/config/rs6000/sysv4.h 2015-09-24 15:46:45.000000000 +0200 |
| +++ gcc-5.4.0/gcc/config/rs6000/sysv4.h 2016-11-27 13:12:33.226953738 +0100 |
| @@ -537,6 +537,9 @@ |
| #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. */ |
| #undef CC1_SPEC |
| @@ -757,17 +760,23 @@ |
| |
| #define LINK_START_LINUX_SPEC "" |
| |
| +#define MUSL_DYNAMIC_LINKER_E ENDIAN_SELECT("","le","") |
| + |
| #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" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.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} \ |
| @@ -889,6 +898,7 @@ |
| { "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 }, \ |
| diff -Nur gcc-5.4.0.orig/gcc/config/rs6000/sysv4le.h gcc-5.4.0/gcc/config/rs6000/sysv4le.h |
| --- gcc-5.4.0.orig/gcc/config/rs6000/sysv4le.h 2015-09-24 15:46:45.000000000 +0200 |
| +++ gcc-5.4.0/gcc/config/rs6000/sysv4le.h 2016-11-27 13:12:33.226953738 +0100 |
| @@ -31,3 +31,5 @@ |
| /* Little-endian PowerPC64 Linux uses the ELF v2 ABI by default. */ |
| #define LINUX64_DEFAULT_ABI_ELFv2 |
| |
| +#undef MUSL_DYNAMIC_LINKER_E |
| +#define MUSL_DYNAMIC_LINKER_E ENDIAN_SELECT("","le","le") |
| diff -Nur gcc-5.4.0.orig/gcc/config.gcc gcc-5.4.0/gcc/config.gcc |
| --- gcc-5.4.0.orig/gcc/config.gcc 2015-09-10 16:17:53.000000000 +0200 |
| +++ gcc-5.4.0/gcc/config.gcc 2016-11-27 13:14:17.149638148 +0100 |
| @@ -2413,6 +2413,10 @@ |
| powerpc*-*-linux*paired*) |
| tm_file="${tm_file} rs6000/750cl.h" ;; |
| esac |
| + case ${target} in |
| + powerpc*-*-linux*-musl*) |
| + enable_secureplt=yes ;; |
| + esac |
| if test x${enable_secureplt} = xyes; then |
| tm_file="rs6000/secureplt.h ${tm_file}" |
| fi |
