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add patches for gcc 4.7.4

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This commit is contained in:
rofl0r 2015-11-02 15:35:54 +00:00
parent e898f5d610
commit 9d5e884281
13 changed files with 759 additions and 0 deletions
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44
patches/gcc-4.7.4/arm.diff Normal file
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@ -0,0 +1,44 @@
Support for arm-linux-musl.
diff -r 8801a3f6d050 gcc/config/arm/linux-eabi.h
--- a/gcc/config/arm/linux-eabi.h Tue Aug 27 15:47:31 2013 -0400
+++ b/gcc/config/arm/linux-eabi.h Tue Aug 27 15:47:37 2013 -0400
@@ -64,6 +64,23 @@
#undef GLIBC_DYNAMIC_LINKER
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3"
+/* 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
diff -r 8801a3f6d050 libitm/config/arm/hwcap.cc
--- a/libitm/config/arm/hwcap.cc Tue Aug 27 15:47:31 2013 -0400
+++ b/libitm/config/arm/hwcap.cc Tue Aug 27 15:47:37 2013 -0400
@@ -40,7 +40,11 @@
#ifdef __linux__
#include <unistd.h>
+#ifdef __GLIBC__
#include <sys/fcntl.h>
+#else
+#include <fcntl.h>
+#endif
#include <elf.h>
static void __attribute__((constructor))

62
patches/gcc-4.7.4/gcc-autoconf-musl.diff Normal file
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@ -0,0 +1,62 @@
diff -r 75d9c38318a7 gcc/configure
--- a/gcc/configure Tue Sep 24 06:52:49 2013 -0400
+++ b/gcc/configure Tue Sep 24 06:54:33 2013 -0400
@@ -26736,6 +26736,9 @@
else
gcc_cv_libc_provides_ssp=no
case "$target" in
+ *-*-musl*)
+ # All versions of musl provide stack protector
+ gcc_cv_libc_provides_ssp=yes;;
*-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu)
# glibc 2.4 and later provides __stack_chk_fail and
# either __stack_chk_guard, or TLS access to stack guard canary.
@@ -26769,6 +26772,7 @@
# <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now
# simply assert that glibc does provide this, which is true for all
# realistically usable GNU/Hurd configurations.
+ # All supported versions of musl provide it as well
gcc_cv_libc_provides_ssp=yes;;
*-*-darwin* | *-*-freebsd*)
ac_fn_c_check_func "$LINENO" "__stack_chk_fail" "ac_cv_func___stack_chk_fail"
@@ -26851,6 +26855,9 @@
gcc_cv_target_dl_iterate_phdr=no
fi
;;
+ *-linux-musl*)
+ gcc_cv_target_dl_iterate_phdr=yes
+ ;;
esac
if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
diff -r 75d9c38318a7 gcc/configure.ac
--- a/gcc/configure.ac Tue Sep 24 06:52:49 2013 -0400
+++ b/gcc/configure.ac Tue Sep 24 06:54:33 2013 -0400
@@ -4719,6 +4719,9 @@
gcc_cv_libc_provides_ssp,
[gcc_cv_libc_provides_ssp=no
case "$target" in
+ *-*-musl*)
+ # All versions of musl provide stack protector
+ gcc_cv_libc_provides_ssp=yes;;
*-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu)
[# glibc 2.4 and later provides __stack_chk_fail and
# either __stack_chk_guard, or TLS access to stack guard canary.
@@ -4752,6 +4755,7 @@
# <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now
# simply assert that glibc does provide this, which is true for all
# realistically usable GNU/Hurd configurations.
+ # All supported versions of musl provide it as well
gcc_cv_libc_provides_ssp=yes;;
*-*-darwin* | *-*-freebsd*)
AC_CHECK_FUNC(__stack_chk_fail,[gcc_cv_libc_provides_ssp=yes],
@@ -4817,6 +4821,9 @@
gcc_cv_target_dl_iterate_phdr=no
fi
;;
+ *-linux-musl*)
+ gcc_cv_target_dl_iterate_phdr=yes
+ ;;
esac
GCC_TARGET_TEMPLATE([TARGET_DL_ITERATE_PHDR])
if test x$gcc_cv_target_dl_iterate_phdr = xyes; then

212
patches/gcc-4.7.4/gcc-config-musl.diff Normal file
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@ -0,0 +1,212 @@
# HG changeset patch
# Parent 8cd76d5f6674f04c31523971d1dfc81c91388c38
Adding -mmusl as a musl libc specifier, and the necessary hacks for it to know how to find musl's dynamic linker.
diff -r 8cd76d5f6674 gcc/config.gcc
--- a/gcc/config.gcc Mon Sep 09 12:54:21 2013 -0400
+++ b/gcc/config.gcc Mon Sep 09 12:54:37 2013 -0400
@@ -522,7 +522,7 @@
esac
# Common C libraries.
-tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3"
+tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4"
# Common parts for widely ported systems.
case ${target} in
@@ -625,6 +625,9 @@
*-*-*uclibc*)
tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC"
;;
+ *-*-*musl*)
+ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL"
+ ;;
*)
tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC"
;;
diff -r 8cd76d5f6674 gcc/config/linux.h
--- a/gcc/config/linux.h Mon Sep 09 12:54:21 2013 -0400
+++ b/gcc/config/linux.h Mon Sep 09 12:54:37 2013 -0400
@@ -33,10 +33,12 @@
#define OPTION_GLIBC (DEFAULT_LIBC == LIBC_GLIBC)
#define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC)
#define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC)
+#define OPTION_MUSL (DEFAULT_LIBC == LIBC_MUSL)
#else
#define OPTION_GLIBC (linux_libc == LIBC_GLIBC)
#define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC)
#define OPTION_BIONIC (linux_libc == LIBC_BIONIC)
+#define OPTION_MUSL (linux_libc == LIBC_MUSL)
#endif
#define GNU_USER_TARGET_OS_CPP_BUILTINS() \
@@ -54,18 +56,21 @@
uClibc or Bionic is the default C library and whether
-muclibc or -mglibc or -mbionic has been passed to change the default. */
-#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LD1, LD2, LD3) \
- "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:" LD1 "}}"
+#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LIBC4, LD1, LD2, LD3, LD4) \
+ "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:%{" LIBC4 ":" LD4 ";:" LD1 "}}}"
#if DEFAULT_LIBC == LIBC_GLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
- CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", G, U, B)
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+ CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", "mmusl", G, U, B, M)
#elif DEFAULT_LIBC == LIBC_UCLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
- CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", U, G, B)
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+ CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", "mmusl", U, G, B, M)
#elif DEFAULT_LIBC == LIBC_BIONIC
-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
- CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", B, G, U)
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+ CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", "mmusl", B, G, U, M)
+#elif DEFAULT_LIBC == LIBC_MUSL
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+ CHOOSE_DYNAMIC_LINKER1 ("mmusl", "mglibc", "muclibc", "mbionic", M, G, U, B)
#else
#error "Unsupported DEFAULT_LIBC"
#endif /* DEFAULT_LIBC */
@@ -85,21 +90,21 @@
#define GNU_USER_DYNAMIC_LINKER \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \
- BIONIC_DYNAMIC_LINKER)
+ BIONIC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER)
#define GNU_USER_DYNAMIC_LINKER32 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \
- BIONIC_DYNAMIC_LINKER32)
+ BIONIC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32)
#define GNU_USER_DYNAMIC_LINKER64 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \
- BIONIC_DYNAMIC_LINKER64)
+ BIONIC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64)
#define GNU_USER_DYNAMIC_LINKERX32 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERX32, UCLIBC_DYNAMIC_LINKERX32, \
- BIONIC_DYNAMIC_LINKERX32)
+ BIONIC_DYNAMIC_LINKERX32, MUSL_DYNAMIC_LINKERX32)
/* Determine whether the entire c99 runtime
is present in the runtime library. */
#undef TARGET_C99_FUNCTIONS
-#define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
+#define TARGET_C99_FUNCTIONS (OPTION_GLIBC || OPTION_MUSL)
/* Whether we have sincos that follows the GNU extension. */
#undef TARGET_HAS_SINCOS
@@ -108,3 +113,74 @@
/* Whether we have Bionic libc runtime */
#undef TARGET_HAS_BIONIC
#define TARGET_HAS_BIONIC (OPTION_BIONIC)
+
+/* musl avoids problematic includes by rearranging the include directories.
+ * Unfortunately, this is mostly duplicated from cppdefault.c */
+#if DEFAULT_LIBC == LIBC_MUSL
+#define INCLUDE_DEFAULTS_MUSL_GPP \
+ { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, \
+ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, \
+ { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, \
+ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 }, \
+ { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, \
+ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 },
+
+#ifdef LOCAL_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_LOCAL \
+ { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 }, \
+ { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 },
+#else
+#define INCLUDE_DEFAULTS_MUSL_LOCAL
+#endif
+
+#ifdef PREFIX_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_PREFIX \
+ { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0},
+#else
+#define INCLUDE_DEFAULTS_MUSL_PREFIX
+#endif
+
+#ifdef CROSS_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_CROSS \
+ { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0},
+#else
+#define INCLUDE_DEFAULTS_MUSL_CROSS
+#endif
+
+#ifdef TOOL_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_TOOL \
+ { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0},
+#else
+#define INCLUDE_DEFAULTS_MUSL_TOOL
+#endif
+
+#ifdef NATIVE_SYSTEM_HEADER_DIR
+#define INCLUDE_DEFAULTS_MUSL_NATIVE \
+ { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 }, \
+ { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 },
+#else
+#define INCLUDE_DEFAULTS_MUSL_NATIVE
+#endif
+
+#if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT)
+# undef INCLUDE_DEFAULTS_MUSL_LOCAL
+# define INCLUDE_DEFAULTS_MUSL_LOCAL
+# undef INCLUDE_DEFAULTS_MUSL_NATIVE
+# define INCLUDE_DEFAULTS_MUSL_NATIVE
+#else
+# undef INCLUDE_DEFAULTS_MUSL_CROSS
+# define INCLUDE_DEFAULTS_MUSL_CROSS
+#endif
+
+#undef INCLUDE_DEFAULTS
+#define INCLUDE_DEFAULTS \
+ { \
+ INCLUDE_DEFAULTS_MUSL_GPP \
+ INCLUDE_DEFAULTS_MUSL_PREFIX \
+ INCLUDE_DEFAULTS_MUSL_CROSS \
+ INCLUDE_DEFAULTS_MUSL_TOOL \
+ INCLUDE_DEFAULTS_MUSL_NATIVE \
+ { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \
+ { 0, 0, 0, 0, 0, 0 } \
+ }
+#endif
diff -r 8cd76d5f6674 gcc/config/linux.opt
--- a/gcc/config/linux.opt Mon Sep 09 12:54:21 2013 -0400
+++ b/gcc/config/linux.opt Mon Sep 09 12:54:37 2013 -0400
@@ -30,3 +30,7 @@
muclibc
Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mbionic)
Use uClibc C library
+
+mmusl
+Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mglibc)
+Use musl C library
diff -r 8cd76d5f6674 gcc/ginclude/stddef.h
--- a/gcc/ginclude/stddef.h Mon Sep 09 12:54:21 2013 -0400
+++ b/gcc/ginclude/stddef.h Mon Sep 09 12:54:37 2013 -0400
@@ -184,6 +184,7 @@
#ifndef _GCC_SIZE_T
#ifndef _SIZET_
#ifndef __size_t
+#ifndef __DEFINED_size_t /* musl */
#define __size_t__ /* BeOS */
#define __SIZE_T__ /* Cray Unicos/Mk */
#define _SIZE_T
@@ -200,6 +201,7 @@
#define ___int_size_t_h
#define _GCC_SIZE_T
#define _SIZET_
+#define __DEFINED_size_t /* musl */
#if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \
|| defined(__FreeBSD_kernel__)
/* __size_t is a typedef on FreeBSD 5, must not trash it. */
@@ -215,6 +217,7 @@
typedef long ssize_t;
#endif /* __BEOS__ */
#endif /* !(defined (__GNUG__) && defined (size_t)) */
+#endif /* __DEFINED_size_t */
#endif /* __size_t */
#endif /* _SIZET_ */
#endif /* _GCC_SIZE_T */

11
patches/gcc-4.7.4/gcc-ssp.diff Normal file
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@ -0,0 +1,11 @@
--- gcc-4.7.4.org/gcc/gcc.c
+++ gcc-4.7.4/gcc/gcc.c
@@ -603,7 +603,7 @@
#ifndef LINK_SSP_SPEC
#ifdef TARGET_LIBC_PROVIDES_SSP
-#define LINK_SSP_SPEC "%{fstack-protector:}"
+#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all:-lssp_nonshared}"
#else
#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all:-lssp_nonshared -lssp}"
#endif

16
patches/gcc-4.7.4/gomp-posix.diff Normal file
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@ -0,0 +1,16 @@
# HG changeset patch
# Parent 2b94537ce2496c88e7e797c617e5b95e8d7e4785
A fix for libgomp to correctly request a POSIX version for time support.
diff -r 2b94537ce249 libgomp/config/posix/time.c
--- a/libgomp/config/posix/time.c Fri Mar 29 16:41:14 2013 -0400
+++ b/libgomp/config/posix/time.c Fri Mar 29 16:41:17 2013 -0400
@@ -28,6 +28,8 @@
The following implementation uses the most simple POSIX routines.
If present, POSIX 4 clocks should be used instead. */
+#define _POSIX_C_SOURCE 199309L /* for clocks */
+
#include "libgomp.h"
#include <unistd.h>
#if TIME_WITH_SYS_TIME

18
patches/gcc-4.7.4/kill-fixincludes.diff Normal file
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@ -0,0 +1,18 @@
# HG changeset patch
# Parent 94e435662aff38e86c9ca0dff4bbf451e0190b34
Get rid of ever-broken fixincludes on musl.
diff -r 94e435662aff -r e27957848dc8 fixincludes/mkfixinc.sh
--- a/fixincludes/mkfixinc.sh Sat Jul 27 23:37:20 2013 -0400
+++ b/fixincludes/mkfixinc.sh Sat Jul 27 23:43:03 2013 -0400
@@ -19,7 +19,8 @@
powerpc-*-eabi* | \
powerpc-*-rtems* | \
powerpcle-*-eabisim* | \
- powerpcle-*-eabi* )
+ powerpcle-*-eabi* | \
+ *-musl* )
# IF there is no include fixing,
# THEN create a no-op fixer and exit
(echo "#! /bin/sh" ; echo "exit 0" ) > ${target}

31
patches/gcc-4.7.4/libstdc++-generic.diff Normal file
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@ -0,0 +1,31 @@
# HG changeset patch
# Parent f50bb54f331f73405131a30b4f353cfda1c70304
Use the generic implementation of libstdc++ primitives when we're on musl, not the glibc one.
diff -r f50bb54f331f libstdc++-v3/configure.host
--- a/libstdc++-v3/configure.host Fri Mar 29 16:38:52 2013 -0400
+++ b/libstdc++-v3/configure.host Fri Mar 29 16:41:10 2013 -0400
@@ -264,6 +264,13 @@
os_include_dir="os/bsd/freebsd"
;;
gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
+ # check for musl by target
+ case "${host_os}" in
+ *-musl*)
+ os_include_dir="os/generic"
+ ;;
+ *)
+
if [ "$uclibc" = "yes" ]; then
os_include_dir="os/uclibc"
elif [ "$bionic" = "yes" ]; then
@@ -272,6 +279,9 @@
os_include_dir="os/gnu-linux"
fi
;;
+
+ esac
+ ;;
hpux*)
os_include_dir="os/hpux"
;;

12
patches/gcc-4.7.4/mips-unwind.diff Normal file
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@ -0,0 +1,12 @@
--- gcc-4.7.4.org/libgcc/config/mips/linux-unwind.h
+++ gcc-4.7.4/libgcc/config/mips/linux-unwind.h
@@ -28,7 +28,8 @@
state data appropriately. See unwind-dw2.c for the structs. */
#include <signal.h>
-#include <asm/unistd.h>
+#include <unistd.h>
+#include <sys/syscall.h>
/* The third parameter to the signal handler points to something with
* this structure defined in asm/ucontext.h, but the name clashes with

18
patches/gcc-4.7.4/mips.diff Normal file
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@ -0,0 +1,18 @@
# HG changeset patch
# Parent 4618ad6f036f1e944a5262ae5875dcdf62c41f8b
Support for mips-linux-musl.
diff -r 4618ad6f036f gcc/config/mips/linux.h
--- a/gcc/config/mips/linux.h Thu Sep 19 08:56:47 2013 -0400
+++ b/gcc/config/mips/linux.h Thu Sep 19 09:08:11 2013 -0400
@@ -18,3 +18,10 @@
<http://www.gnu.org/licenses/>. */
#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
+
+#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"

138
patches/gcc-4.7.4/powerpc.diff Normal file
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@ -0,0 +1,138 @@
# HG changeset patch
# Parent 2ffe76b215fdb082cbbc262536077627757fa9bf
Support for powerpc-linux-musl.
diff -r 2ffe76b215fd gcc/config.gcc
--- a/gcc/config.gcc Fri Mar 29 16:41:26 2013 -0400
+++ b/gcc/config.gcc Fri Mar 29 16:41:28 2013 -0400
@@ -2112,6 +2112,10 @@
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
diff -r 2ffe76b215fd gcc/config/rs6000/linux64.h
--- a/gcc/config/rs6000/linux64.h Fri Mar 29 16:41:26 2013 -0400
+++ b/gcc/config/rs6000/linux64.h Fri Mar 29 16:41:28 2013 -0400
@@ -364,17 +364,21 @@
#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld64.so.1"
#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)
#define LINK_OS_LINUX_SPEC32 "-m elf32ppclinux %{!shared: %{!static: \
diff -r 2ffe76b215fd gcc/config/rs6000/secureplt.h
--- a/gcc/config/rs6000/secureplt.h Fri Mar 29 16:41:26 2013 -0400
+++ b/gcc/config/rs6000/secureplt.h Fri Mar 29 16:41:28 2013 -0400
@@ -18,3 +18,4 @@
<http://www.gnu.org/licenses/>. */
#define CC1_SECURE_PLT_DEFAULT_SPEC "-msecure-plt"
+#define LINK_SECURE_PLT_DEFAULT_SPEC "--secure-plt"
diff -r 2ffe76b215fd gcc/config/rs6000/sysv4.h
--- a/gcc/config/rs6000/sysv4.h Fri Mar 29 16:41:26 2013 -0400
+++ b/gcc/config/rs6000/sysv4.h Fri Mar 29 16:41:28 2013 -0400
@@ -551,6 +551,9 @@
#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 and set correct endian mode. */
#define CC1_SPEC "%{G*} %(cc1_cpu) \
@@ -611,7 +614,8 @@
%{mlittle: --oformat elf32-powerpcle } %{mlittle-endian: --oformat elf32-powerpcle } \
%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
%{mcall-i960-old: --oformat elf32-powerpcle} \
- }}}}"
+ }}}} \
+%{!mbss-plt: %{!msecure-plt: %(link_secure_plt_default)}}"
/* Any specific OS flags. */
#define LINK_OS_SPEC "\
@@ -789,15 +793,18 @@
#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} \
@@ -923,6 +930,7 @@
{ "cc1_endian_little", CC1_ENDIAN_LITTLE_SPEC }, \
{ "cc1_endian_default", CC1_ENDIAN_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 }, \
--- a/libgcc/config/rs6000/linux-unwind.h Wed Nov 21 21:23:49 2012 -0500
+++ b/libgcc/config/rs6000/linux-unwind.h Wed Nov 21 21:45:58 2012 -0500
@@ -176,6 +176,7 @@
}
#endif
+#ifdef __GLIBC__
/* Find an entry in the process auxiliary vector. The canonical way to
test for VMX is to look at AT_HWCAP. */
@@ -207,6 +208,7 @@
return auxp->a_val;
return 0;
}
+#endif
/* Do code reading to identify a signal frame, and set the frame
state data appropriately. See unwind-dw2.c for the structs. */
@@ -253,7 +255,11 @@
if (hwcap == 0)
{
+#ifdef __GLIBC__
hwcap = ppc_linux_aux_vector (16);
+#else
+ hwcap = -1;
+#endif
/* These will already be set if we found AT_HWCAP. A nonzero
value stops us looking again if for some reason we couldn't
find AT_HWCAP. */

104
patches/gcc-4.7.4/universal_initializer.diff Normal file
View File

@ -0,0 +1,104 @@
Fix for https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119
wrong warning when using the universal zero initializer {0}
Backported to GCC 4.7.4
Subject: 2014-06-05 S. Gilles <sgilles@terpmail.umd.edu>
X-Git-Url: http://repo.or.cz/w/official-gcc.git/commitdiff_plain/95cdf3fdf2d440eb7775def8e35ab970651c33d9?hp=14a3093e9943937cbc63dfbf4d51ca60f8325b29
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211289 138bc75d-0d04-0410-961f-82ee72b054a4
--- gcc-4.7.4/gcc/c-typeck.c 2012-09-20 22:50:17.000000000 +0200
+++ gcc-4.7.4.patched/gcc/c-typeck.c 2014-08-03 16:26:14.515016910 +0200
@@ -68,9 +68,9 @@
/* The level of nesting inside "typeof". */
int in_typeof;
-/* Nonzero if we've already printed a "missing braces around initializer"
- message within this initializer. */
-static int missing_braces_mentioned;
+/* Nonzero if we might need to print a "missing braces around
+ initializer" message within this initializer. */
+static int found_missing_braces;
static int require_constant_value;
static int require_constant_elements;
@@ -6455,6 +6455,9 @@
/* 1 if this constructor is erroneous so far. */
static int constructor_erroneous;
+/* 1 if this constructor is the universal zero initializer { 0 }. */
+static int constructor_zeroinit;
+
/* Structure for managing pending initializer elements, organized as an
AVL tree. */
@@ -6616,7 +6619,7 @@
constructor_stack = 0;
constructor_range_stack = 0;
- missing_braces_mentioned = 0;
+ found_missing_braces = 0;
spelling_base = 0;
spelling_size = 0;
@@ -6711,6 +6714,7 @@
constructor_type = type;
constructor_incremental = 1;
constructor_designated = 0;
+ constructor_zeroinit = 1;
designator_depth = 0;
designator_erroneous = 0;
@@ -6908,11 +6912,8 @@
set_nonincremental_init (braced_init_obstack);
}
- if (implicit == 1 && warn_missing_braces && !missing_braces_mentioned)
- {
- missing_braces_mentioned = 1;
- warning_init (OPT_Wmissing_braces, "missing braces around initializer");
- }
+ if (implicit == 1)
+ found_missing_braces = 1;
if (TREE_CODE (constructor_type) == RECORD_TYPE
|| TREE_CODE (constructor_type) == UNION_TYPE)
@@ -7045,17 +7046,23 @@
}
}
+ if (VEC_length (constructor_elt, constructor_elements) != 1)
+ constructor_zeroinit = 0;
+
+ /* Warn when some structs are initialized with direct aggregation. */
+ if (!implicit && found_missing_braces && warn_missing_braces
+ && !constructor_zeroinit)
+ {
+ warning_init (OPT_Wmissing_braces,
+ "missing braces around initializer");
+ }
+
/* Warn when some struct elements are implicitly initialized to zero. */
if (warn_missing_field_initializers
&& constructor_type
&& TREE_CODE (constructor_type) == RECORD_TYPE
&& constructor_unfilled_fields)
{
- bool constructor_zeroinit =
- (VEC_length (constructor_elt, constructor_elements) == 1
- && integer_zerop
- (VEC_index (constructor_elt, constructor_elements, 0)->value));
-
/* Do not warn for flexible array members or zero-length arrays. */
while (constructor_unfilled_fields
&& (!DECL_SIZE (constructor_unfilled_fields)
@@ -8170,6 +8177,9 @@
designator_depth = 0;
designator_erroneous = 0;
+ if (!implicit && value.value && !integer_zerop (value.value))
+ constructor_zeroinit = 0;
+
/* Handle superfluous braces around string cst as in
char x[] = {"foo"}; */
if (string_flag

38
patches/gcc-4.7.4/unwind-dliterate.diff Normal file
View File

@ -0,0 +1,38 @@
diff -r 2ebb44d1e6f1 libgcc/unwind-dw2-fde-dip.c
--- a/libgcc/unwind-dw2-fde-dip.c Sun Jul 28 12:15:47 2013 -0400
+++ b/libgcc/unwind-dw2-fde-dip.c Sun Jul 28 12:17:02 2013 -0400
@@ -47,28 +47,13 @@
#include "unwind-compat.h"
#include "gthr.h"
-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
- && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
- || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
+#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR)
# define USE_PT_GNU_EH_FRAME
-#endif
-
-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
- && defined(__FreeBSD__) && __FreeBSD__ >= 7
-# define ElfW __ElfN
-# define USE_PT_GNU_EH_FRAME
-#endif
-
-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
- && defined(__OpenBSD__)
-# define ElfW(type) Elf_##type
-# define USE_PT_GNU_EH_FRAME
-#endif
-
-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
- && defined(TARGET_DL_ITERATE_PHDR) \
- && defined(__sun__) && defined(__svr4__)
-# define USE_PT_GNU_EH_FRAME
+# ifdef __OpenBSD__
+# define ElfW(type) Elf_##typ
+# elif defined(__FreeBSD__) && __FreeBSD__ >= 7
+# define ElfW __ElfN
+# endif
#endif
#if defined(USE_PT_GNU_EH_FRAME)

55
patches/gcc-4.7.4/x86.diff Normal file
View File

@ -0,0 +1,55 @@
# HG changeset patch
# Parent 3ea10cd626cb7abdfd56d3fe8d2c9ed58a82797b
Support for i386-linux-musl and x86_64-linux-musl.
diff -r 3ea10cd626cb gcc/config/i386/linux.h
--- a/gcc/config/i386/linux.h Fri Mar 29 16:41:17 2013 -0400
+++ b/gcc/config/i386/linux.h Fri Mar 29 16:41:20 2013 -0400
@@ -21,3 +21,4 @@
#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"
diff -r 3ea10cd626cb gcc/config/i386/linux64.h
--- a/gcc/config/i386/linux64.h Fri Mar 29 16:41:17 2013 -0400
+++ b/gcc/config/i386/linux64.h Fri Mar 29 16:41:20 2013 -0400
@@ -30,3 +30,7 @@
#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"
diff -r 3ea10cd626cb libitm/config/linux/x86/tls.h
--- a/libitm/config/linux/x86/tls.h Fri Mar 29 16:41:17 2013 -0400
+++ b/libitm/config/linux/x86/tls.h Fri Mar 29 16:41:20 2013 -0400
@@ -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 @@
} // namespace GTM
#endif /* >= GLIBC 2.10 */
+#endif
#endif // LIBITM_X86_TLS_H