76 lines
3.0 KiB
Diff
76 lines
3.0 KiB
Diff
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Add support for musl on ppc32
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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diff -Nur gcc-5.4.0.orig/gcc/config/rs6000/sysv4.h gcc-5.4.0/gcc/config/rs6000/sysv4.h
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--- gcc-5.4.0.orig/gcc/config/rs6000/sysv4.h 2015-09-24 15:46:45.000000000 +0200
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+++ gcc-5.4.0/gcc/config/rs6000/sysv4.h 2016-11-27 13:12:33.226953738 +0100
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@@ -537,6 +537,9 @@
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#ifndef CC1_SECURE_PLT_DEFAULT_SPEC
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#define CC1_SECURE_PLT_DEFAULT_SPEC ""
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#endif
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+#ifndef LINK_SECURE_PLT_DEFAULT_SPEC
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+#define LINK_SECURE_PLT_DEFAULT_SPEC ""
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+#endif
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/* Pass -G xxx to the compiler. */
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#undef CC1_SPEC
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@@ -757,17 +760,23 @@
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#define LINK_START_LINUX_SPEC ""
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+#define MUSL_DYNAMIC_LINKER_E ENDIAN_SELECT("","le","")
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+
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#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
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#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
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+#define MUSL_DYNAMIC_LINKER \
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+ "/lib/ld-musl-powerpc" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1"
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#if DEFAULT_LIBC == LIBC_UCLIBC
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-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
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+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}"
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+#elif DEFAULT_LIBC == LIBC_MUSL
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+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}"
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#elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC
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-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
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+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}"
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#else
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#error "Unsupported DEFAULT_LIBC"
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#endif
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#define GNU_USER_DYNAMIC_LINKER \
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- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
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+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER)
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#define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
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%{rdynamic:-export-dynamic} \
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@@ -889,6 +898,7 @@
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{ "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \
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{ "link_os_default", LINK_OS_DEFAULT_SPEC }, \
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{ "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \
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+ { "link_secure_plt_default", LINK_SECURE_PLT_DEFAULT_SPEC }, \
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{ "cpp_os_ads", CPP_OS_ADS_SPEC }, \
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{ "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \
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{ "cpp_os_mvme", CPP_OS_MVME_SPEC }, \
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diff -Nur gcc-5.4.0.orig/gcc/config/rs6000/sysv4le.h gcc-5.4.0/gcc/config/rs6000/sysv4le.h
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--- gcc-5.4.0.orig/gcc/config/rs6000/sysv4le.h 2015-09-24 15:46:45.000000000 +0200
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+++ gcc-5.4.0/gcc/config/rs6000/sysv4le.h 2016-11-27 13:12:33.226953738 +0100
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@@ -31,3 +31,5 @@
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/* Little-endian PowerPC64 Linux uses the ELF v2 ABI by default. */
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#define LINUX64_DEFAULT_ABI_ELFv2
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+#undef MUSL_DYNAMIC_LINKER_E
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+#define MUSL_DYNAMIC_LINKER_E ENDIAN_SELECT("","le","le")
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diff -Nur gcc-5.4.0.orig/gcc/config.gcc gcc-5.4.0/gcc/config.gcc
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--- gcc-5.4.0.orig/gcc/config.gcc 2015-09-10 16:17:53.000000000 +0200
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+++ gcc-5.4.0/gcc/config.gcc 2016-11-27 13:14:17.149638148 +0100
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@@ -2413,6 +2413,10 @@
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powerpc*-*-linux*paired*)
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tm_file="${tm_file} rs6000/750cl.h" ;;
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esac
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+ case ${target} in
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+ powerpc*-*-linux*-musl*)
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+ enable_secureplt=yes ;;
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+ esac
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if test x${enable_secureplt} = xyes; then
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tm_file="rs6000/secureplt.h ${tm_file}"
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fi
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