2014-10-19 21:45:36 +00:00
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--- a/gcc/config.gcc
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+++ b/gcc/config.gcc
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2014-10-20 11:42:59 +00:00
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@@ -2334,6 +2334,10 @@ powerpc*-*-linux*)
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2014-10-19 21:45:36 +00:00
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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 ${target} in
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+ *-linux*-musl*)
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+ enable_secureplt=yes ;;
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+ esac
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if test x${enable_secureplt} = xyes; then
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tm_file="rs6000/secureplt.h ${tm_file}"
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fi
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--- a/gcc/config/rs6000/linux64.h
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+++ b/gcc/config/rs6000/linux64.h
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@@ -375,17 +375,21 @@ extern int dot_symbols;
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#endif
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#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
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#define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
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+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-powerpc.so.1"
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+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-powerpc64.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_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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+#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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#else
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#error "Unsupported DEFAULT_LIBC"
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#endif
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#define GNU_USER_DYNAMIC_LINKER32 \
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- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
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+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32)
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#define GNU_USER_DYNAMIC_LINKER64 \
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- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
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+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64)
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#undef DEFAULT_ASM_ENDIAN
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#if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN)
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--- a/gcc/config/rs6000/secureplt.h
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+++ b/gcc/config/rs6000/secureplt.h
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@@ -18,3 +18,4 @@ along with GCC; see the file COPYING3.
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<http://www.gnu.org/licenses/>. */
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#define CC1_SECURE_PLT_DEFAULT_SPEC "-msecure-plt"
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+#define LINK_SECURE_PLT_DEFAULT_SPEC "--secure-plt"
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--- a/gcc/config/rs6000/sysv4.h
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+++ b/gcc/config/rs6000/sysv4.h
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@@ -537,6 +537,9 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEF
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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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#define CC1_SPEC "%{G*} %(cc1_cpu)" \
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@@ -585,7 +588,8 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEF
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/* Override the default target of the linker. */
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#define LINK_TARGET_SPEC \
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- ENDIAN_SELECT("", " --oformat elf32-powerpcle", "")
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+ ENDIAN_SELECT("", " --oformat elf32-powerpcle", "") \
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+ "%{!mbss-plt: %{!msecure-plt: %(link_secure_plt_default)}}"
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/* Any specific OS flags. */
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#define LINK_OS_SPEC "\
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@@ -763,15 +767,18 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEF
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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 "/lib/ld-musl-powerpc.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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@@ -894,6 +901,7 @@ ncrtn.o%s"
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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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