From e14399aaa9c5f2fabff625cc9ce3a5db0400f2a4 Mon Sep 17 00:00:00 2001 From: Matthias Maier Date: Mon, 8 May 2017 19:38:07 +0000 Subject: Add patchset ver 1.0 for gcc-7.1.0 --- 7.1.0/gentoo/10_all_default-fortify-source.patch | 15 ++++ .../11_all_default-warn-format-security.patch | 22 ++++++ 7.1.0/gentoo/12_all_default-warn-trampolines.patch | 13 +++ 7.1.0/gentoo/13_all_default-ssp-fix.patch | 57 ++++++++++++++ 7.1.0/gentoo/25_all_alpha-mieee-default.patch | 39 +++++++++ 7.1.0/gentoo/29_all_arm_armv4t-default.patch | 16 ++++ 7.1.0/gentoo/34_all_ia64_note.GNU-stack.patch | 92 ++++++++++++++++++++++ 7.1.0/gentoo/42_all_superh_default-multilib.patch | 24 ++++++ 7.1.0/gentoo/50_all_libiberty-asprintf.patch | 18 +++++ 7.1.0/gentoo/51_all_libiberty-pic.patch | 10 +++ 7.1.0/gentoo/54_all_nopie-all-flags.patch | 18 +++++ 7.1.0/gentoo/55_all_extra-options.patch | 87 ++++++++++++++++++++ .../90_all_pr55930-dependency-tracking.patch | 18 +++++ 7.1.0/gentoo/README.history | 12 +++ 14 files changed, 441 insertions(+) create mode 100644 7.1.0/gentoo/10_all_default-fortify-source.patch create mode 100644 7.1.0/gentoo/11_all_default-warn-format-security.patch create mode 100644 7.1.0/gentoo/12_all_default-warn-trampolines.patch create mode 100644 7.1.0/gentoo/13_all_default-ssp-fix.patch create mode 100644 7.1.0/gentoo/25_all_alpha-mieee-default.patch create mode 100644 7.1.0/gentoo/29_all_arm_armv4t-default.patch create mode 100644 7.1.0/gentoo/34_all_ia64_note.GNU-stack.patch create mode 100644 7.1.0/gentoo/42_all_superh_default-multilib.patch create mode 100644 7.1.0/gentoo/50_all_libiberty-asprintf.patch create mode 100644 7.1.0/gentoo/51_all_libiberty-pic.patch create mode 100644 7.1.0/gentoo/54_all_nopie-all-flags.patch create mode 100644 7.1.0/gentoo/55_all_extra-options.patch create mode 100644 7.1.0/gentoo/90_all_pr55930-dependency-tracking.patch create mode 100644 7.1.0/gentoo/README.history (limited to '7.1.0') diff --git a/7.1.0/gentoo/10_all_default-fortify-source.patch b/7.1.0/gentoo/10_all_default-fortify-source.patch new file mode 100644 index 0000000..36c5762 --- /dev/null +++ b/7.1.0/gentoo/10_all_default-fortify-source.patch @@ -0,0 +1,15 @@ +Enable -D_FORTIFY_SOURCE=2 by default. + + +--- a/gcc/c-family/c-cppbuiltin.c ++++ b/gcc/c-family/c-cppbuiltin.c +@@ -951,6 +951,9 @@ c_cpp_builtins (cpp_reader *pfile) + builtin_define_with_value ("__REGISTER_PREFIX__", REGISTER_PREFIX, 0); + builtin_define_with_value ("__USER_LABEL_PREFIX__", user_label_prefix, 0); + ++ /* Fortify Source enabled by default w/optimization. */ ++ cpp_define (pfile, "_FORTIFY_SOURCE=((defined __OPTIMIZE__ && __OPTIMIZE__ > 0) ? 2 : 0)"); ++ + /* Misc. */ + if (flag_gnu89_inline) + cpp_define (pfile, "__GNUC_GNU_INLINE__"); diff --git a/7.1.0/gentoo/11_all_default-warn-format-security.patch b/7.1.0/gentoo/11_all_default-warn-format-security.patch new file mode 100644 index 0000000..8994654 --- /dev/null +++ b/7.1.0/gentoo/11_all_default-warn-format-security.patch @@ -0,0 +1,22 @@ +Enable -Wformat and -Wformat-security by default. + +--- a/gcc/c-family/c.opt 2016-03-23 18:51:56.000000000 +0100 ++++ b/gcc/c-family/c.opt 2016-04-28 23:45:54.063351272 +0200 +@@ -459,7 +459,7 @@ C ObjC C++ ObjC++ Var(warn_format_nonlit + Warn about format strings that are not literals. + + Wformat-security +-C ObjC C++ ObjC++ Var(warn_format_security) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) ++C ObjC C++ ObjC++ Var(warn_format_security) Init(1) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) + Warn about possible security problems with format functions. + + Wformat-signedness +@@ -475,7 +475,7 @@ C ObjC C++ ObjC++ Var(warn_format_zero_l + Warn about zero-length formats. + + Wformat= +-C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_format) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) ++C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_format) Init(1) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) + Warn about printf/scanf/strftime/strfmon format string anomalies. + + Wignored-qualifiers diff --git a/7.1.0/gentoo/12_all_default-warn-trampolines.patch b/7.1.0/gentoo/12_all_default-warn-trampolines.patch new file mode 100644 index 0000000..7a644cb --- /dev/null +++ b/7.1.0/gentoo/12_all_default-warn-trampolines.patch @@ -0,0 +1,13 @@ +Enable -Wtrampolines by default. + +--- a/gcc/common.opt ++++ b/gcc/common.opt +@@ -712,7 +712,7 @@ Common Var(warn_system_headers) Warning + Do not suppress warnings from system headers. + + Wtrampolines +-Common Var(warn_trampolines) Warning ++Common Var(warn_trampolines) Init(1) Warning + Warn whenever a trampoline is generated. + + Wtype-limits diff --git a/7.1.0/gentoo/13_all_default-ssp-fix.patch b/7.1.0/gentoo/13_all_default-ssp-fix.patch new file mode 100644 index 0000000..2c8280e --- /dev/null +++ b/7.1.0/gentoo/13_all_default-ssp-fix.patch @@ -0,0 +1,57 @@ +We disable ssp on -nostdlib and -ffreestanding as we did on older gcc +and change the buffer size. + +--- a/gcc/c-family/c-opts.c ++++ b/gcc/c-family/c-opts.c +@@ -450,7 +450,14 @@ + + case OPT_ffreestanding: + value = !value; ++ if (global_options.x_flag_stack_protect == -1) ++ global_options.x_flag_stack_protect = 0; + /* Fall through. */ ++ ++ case OPT_nostdlib: ++ if (global_options.x_flag_stack_protect == -1) ++ global_options.x_flag_stack_protect = 0; ++ + case OPT_fhosted: + flag_hosted = value; + flag_no_builtin = !value; +--- a/gcc/gcc.c ++++ b/gcc/gcc.c +@@ -1145,6 +1145,7 @@ + %{-help=*:--help=%*}\ + %{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\ + %{fsyntax-only:-o %j} %{-param*}\ ++ %{nostlib:-nostdlib}\ + %{coverage:-fprofile-arcs -ftest-coverage}\ + %{fprofile-arcs|fprofile-generate*|coverage:\ + %{!fprofile-update=single:\ +We disable ssp on -nostdlib and -ffreestanding as we did on older gcc +and change the buffer size. + +--- a/gcc/c-family/c.opt 2016-03-23 18:51:56.000000000 +0100 ++++ b/gcc/c-family/c.opt 2016-09-18 18:46:17.071649782 +0200 +@@ -1647,6 +1647,10 @@ nostdinc++ + C++ ObjC++ + Do not search standard system include directories for C++. + ++nostdlib ++C ObjC C++ ObjC++ ++; Documented in common.opt ++ + o + C ObjC C++ ObjC++ Joined Separate + ; Documented in common.opt +--- a/gcc/params.def 2016-03-30 09:47:40.000000000 +0200 ++++ b/gcc/params.def 2016-09-19 12:56:58.443179039 +0200 +@@ -673,7 +673,7 @@ DEFPARAM (PARAM_INTEGER_SHARE_LIMIT, + DEFPARAM (PARAM_SSP_BUFFER_SIZE, + "ssp-buffer-size", + "The lower bound for a buffer to be considered for stack smashing protection.", +- 8, 1, 0) ++ 4, 1, 0) + + DEFPARAM (PARAM_MIN_SIZE_FOR_STACK_SHARING, + "min-size-for-stack-sharing", diff --git a/7.1.0/gentoo/25_all_alpha-mieee-default.patch b/7.1.0/gentoo/25_all_alpha-mieee-default.patch new file mode 100644 index 0000000..b266d77 --- /dev/null +++ b/7.1.0/gentoo/25_all_alpha-mieee-default.patch @@ -0,0 +1,39 @@ +Set the default behavior on alpha to use -mieee since the large majority of +time we want this (bad/weird things can happen with packages built without +it). + +To satisfy those people who may not want -mieee forced on them all the time, +we also provide -mno-ieee. + +Patch by Mike Frysinger + +Note: upstream doesn't want to take this due to long standing behavior, and +because it'd make behavior across OS's inconsistent: + https://gcc.gnu.org/ml/gcc-patches/2003-07/msg02144.html + +This makes sense for upstream, but Gentoo is more concerned about packages +behaving the same across arches under Linux. + +--- a/gcc/config/alpha/alpha.h ++++ b/gcc/config/alpha/alpha.h +@@ -96,6 +96,8 @@ along with GCC; see the file COPYING3. If not see + while (0) + #endif + ++#define CPP_SPEC "%{!no-ieee:-mieee}" ++ + /* Run-time compilation parameters selecting different hardware subsets. */ + + /* Which processor to schedule for. The cpu attribute defines a list that +--- a/gcc/config/alpha/alpha.opt ++++ b/gcc/config/alpha/alpha.opt +@@ -35,7 +35,7 @@ + Request IEEE-conformant math library routines (OSF/1). + + mieee +-Target Report RejectNegative Mask(IEEE) ++Target Report Mask(IEEE) + Emit IEEE-conformant code, without inexact exceptions. + + mieee-with-inexact + diff --git a/7.1.0/gentoo/29_all_arm_armv4t-default.patch b/7.1.0/gentoo/29_all_arm_armv4t-default.patch new file mode 100644 index 0000000..4616cf9 --- /dev/null +++ b/7.1.0/gentoo/29_all_arm_armv4t-default.patch @@ -0,0 +1,16 @@ +gcc defaults to armv5t for all targets even armv4t + +http://sourceware.org/ml/crossgcc/2008-05/msg00009.html + + +--- a/gcc/config/arm/linux-eabi.h ++++ b/gcc/config/arm/linux-eabi.h +@@ -45,7 +45,7 @@ + The ARM10TDMI core is the default for armv5t, so set + SUBTARGET_CPU_DEFAULT to achieve this. */ + #undef SUBTARGET_CPU_DEFAULT +-#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi ++#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi + + /* TARGET_BIG_ENDIAN_DEFAULT is set in + config.gcc for big endian configurations. */ diff --git a/7.1.0/gentoo/34_all_ia64_note.GNU-stack.patch b/7.1.0/gentoo/34_all_ia64_note.GNU-stack.patch new file mode 100644 index 0000000..66a787e --- /dev/null +++ b/7.1.0/gentoo/34_all_ia64_note.GNU-stack.patch @@ -0,0 +1,92 @@ +http://gcc.gnu.org/PR21098 + + +2004-09-20 Jakub Jelinek + + * config/rs6000/ppc-asm.h: Add .note.GNU-stack section also + on ppc64-linux. + + * config/ia64/lib1funcs.asm: Add .note.GNU-stack section on + ia64-linux. + * config/ia64/crtbegin.asm: Likewise. + * config/ia64/crtend.asm: Likewise. + * config/ia64/crti.asm: Likewise. + * config/ia64/crtn.asm: Likewise. + +2004-05-14 Jakub Jelinek + + * config/ia64/linux.h (TARGET_ASM_FILE_END): Define. + + +--- a/gcc/config/ia64/linux.h ++++ b/gcc/config/ia64/linux.h +@@ -24,6 +24,8 @@ a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + . */ + ++#define TARGET_ASM_FILE_END file_end_indicate_exec_stack ++ + /* This is for -profile to use -lc_p instead of -lc. */ + #undef CC1_SPEC + #define CC1_SPEC "%{profile:-p} %{G*}" +--- a/gcc/config/rs6000/ppc-asm.h ++++ b/gcc/config/rs6000/ppc-asm.h +@@ -352,7 +352,7 @@ GLUE(.L,name): \ + #endif + #endif + +-#if defined __linux__ && !defined __powerpc64__ ++#if defined __linux__ + .section .note.GNU-stack + .previous + #endif +--- a/libgcc/config/ia64/crtbegin.S ++++ b/libgcc/config/ia64/crtbegin.S +@@ -252,3 +252,7 @@ __do_jv_register_classes: + .weak __cxa_finalize + #endif + .weak _Jv_RegisterClasses ++ ++#ifdef __linux__ ++.section .note.GNU-stack; .previous ++#endif +--- a/libgcc/config/ia64/crtend.S ++++ b/libgcc/config/ia64/crtend.S +@@ -119,3 +119,6 @@ __do_global_ctors_aux: + + br.ret.sptk.many rp + .endp __do_global_ctors_aux ++#ifdef __linux__ ++.section .note.GNU-stack; .previous ++#endif +--- a/libgcc/config/ia64/crti.S ++++ b/libgcc/config/ia64/crti.S +@@ -49,5 +49,8 @@ _fini: + .save rp, r33 + mov r33 = b0 + .body ++#ifdef __linux__ ++.section .note.GNU-stack; .previous ++#endif + + # end of crti.S +--- a/libgcc/config/ia64/crtn.S ++++ b/libgcc/config/ia64/crtn.S +@@ -39,5 +39,8 @@ + .restore sp + mov r12 = r35 + br.ret.sptk.many b0 ++#ifdef __linux__ ++.section .note.GNU-stack; .previous ++#endif + + # end of crtn.S +--- a/libgcc/config/ia64/lib1funcs.S ++++ b/libgcc/config/ia64/lib1funcs.S +@@ -793,3 +793,6 @@ __floattitf: + .endp __floattitf + #endif + #endif ++#ifdef __linux__ ++.section .note.GNU-stack; .previous ++#endif diff --git a/7.1.0/gentoo/42_all_superh_default-multilib.patch b/7.1.0/gentoo/42_all_superh_default-multilib.patch new file mode 100644 index 0000000..8b638d9 --- /dev/null +++ b/7.1.0/gentoo/42_all_superh_default-multilib.patch @@ -0,0 +1,24 @@ +The gcc-3.x toolchains would contain all the targets by default. With gcc-4, +you have to actually list out the multilibs you want or you will end up with +just one when using targets like 'sh4-linux-gnu'. + +The resulting toolchain can't even build a kernel as the kernel needs to build +with the nofpu flag to be sure that no fpu ops are generated. + +Here we restore the gcc-3.x behavior; the additional overhead of building all +of these multilibs by default is negligible. + +https://bugs.gentoo.org/140205 +https://bugs.gentoo.org/320251 + +--- a/gcc/config.gcc ++++ b/gcc/config.gcc +@@ -2455,7 +2455,7 @@ sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | \ + if test "$sh_multilibs" = "default" ; then + case ${target} in + sh64-superh-linux* | \ +- sh[1234]*) sh_multilibs=${sh_cpu_target} ;; ++ sh[1234]*) sh_multilibs=$(echo $(sed -n '/^[[:space:]]*case ${sh_multilib} in/,/)/{s:case ${sh_multilib} in::;s: | *:,:g;s:[\\)]::g;p}' ${srcdir}/config.gcc) | sed 's: ::g') ;; + sh64* | sh5*) sh_multilibs=m5-32media,m5-32media-nofpu,m5-compact,m5-compact-nofpu,m5-64media,m5-64media-nofpu ;; + sh-superh-*) sh_multilibs=m4,m4-single,m4-single-only,m4-nofpu ;; + sh*-*-linux*) sh_multilibs=m1,m3e,m4 ;; diff --git a/7.1.0/gentoo/50_all_libiberty-asprintf.patch b/7.1.0/gentoo/50_all_libiberty-asprintf.patch new file mode 100644 index 0000000..bee0c4c --- /dev/null +++ b/7.1.0/gentoo/50_all_libiberty-asprintf.patch @@ -0,0 +1,18 @@ +2008-07-25 Magnus Granberg + + * include/libiberty.h (asprintf): Don't declare if defined as a macro + +--- a/include/libiberty.h ++++ b/include/libiberty.h +@@ -609,8 +609,11 @@ extern int pwait (int, int *, int); + /* Like sprintf but provides a pointer to malloc'd storage, which must + be freed by the caller. */ + ++/* asprintf may be declared as a macro by glibc with __USE_FORTIFY_LEVEL. */ ++#ifndef asprintf + extern int asprintf (char **, const char *, ...) ATTRIBUTE_PRINTF_2; + #endif ++#endif + + #if !HAVE_DECL_VASPRINTF + /* Like vsprintf but provides a pointer to malloc'd storage, which diff --git a/7.1.0/gentoo/51_all_libiberty-pic.patch b/7.1.0/gentoo/51_all_libiberty-pic.patch new file mode 100644 index 0000000..b6160a7 --- /dev/null +++ b/7.1.0/gentoo/51_all_libiberty-pic.patch @@ -0,0 +1,10 @@ +--- a/libiberty/Makefile.in ++++ b/libiberty/Makefile.in +@@ -246,6 +246,7 @@ $(TARGETLIB): $(REQUIRED_OFILES) $(EXTRA_OFILES) $(LIBOBJS) + $(AR) $(AR_FLAGS) $(TARGETLIB) \ + $(REQUIRED_OFILES) $(EXTRA_OFILES) $(LIBOBJS); \ + $(RANLIB) $(TARGETLIB); \ ++ cp $(TARGETLIB) ../ ; \ + cd ..; \ + else true; fi + diff --git a/7.1.0/gentoo/54_all_nopie-all-flags.patch b/7.1.0/gentoo/54_all_nopie-all-flags.patch new file mode 100644 index 0000000..48536e6 --- /dev/null +++ b/7.1.0/gentoo/54_all_nopie-all-flags.patch @@ -0,0 +1,18 @@ +We need to pass NO_PIE_CFLAGS to ALL_* so gcc don't fail when +we compile it with older gcc and pie. + +--- a/gcc/Makefile.in 2015-06-25 19:18:12.000000000 +0200 ++++ b/gcc/Makefile.in 2016-04-22 00:12:54.029178860 +0200 +@@ -991,10 +991,10 @@ ALL_CXXFLAGS = $(T_CFLAGS) $(CFLAGS-$@) + ALL_CPPFLAGS = $(INCLUDES) $(CPPFLAGS) + + # This is the variable to use when using $(COMPILER). +-ALL_COMPILERFLAGS = $(ALL_CXXFLAGS) ++ALL_COMPILERFLAGS = $(NO_PIE_CFLAGS) $(ALL_CXXFLAGS) + + # This is the variable to use when using $(LINKER). +-ALL_LINKERFLAGS = $(ALL_CXXFLAGS) ++ALL_LINKERFLAGS = $(NO_PIE_CFLAGS) $(ALL_CXXFLAGS) + + # Build and host support libraries. + diff --git a/7.1.0/gentoo/55_all_extra-options.patch b/7.1.0/gentoo/55_all_extra-options.patch new file mode 100644 index 0000000..ff14c10 --- /dev/null +++ b/7.1.0/gentoo/55_all_extra-options.patch @@ -0,0 +1,87 @@ +On Hardened we add or remove some options like -fstack-check, +-fstack-protector-all, -fstrict_overflow and -z now + +--- a/libgcc/Makefile.in 2011-11-22 04:01:02.000000000 +0100 ++++ b/libgcc/Makefile.in 2011-12-25 15:18:22.449610631 +0100 +@@ -225,7 +225,7 @@ endif + LIBGCC2_DEBUG_CFLAGS = -g + LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \ + $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 \ +- -fbuilding-libgcc -fno-stack-protector \ ++ -fbuilding-libgcc -fno-stack-protector -fstack-check=no \ + $(INHIBIT_LIBC_CFLAGS) + + # Additional options to use when compiling libgcc2.a. +@@ -279,7 +290,7 @@ INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CF + -finhibit-size-directive -fno-inline -fno-exceptions \ + -fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \ + -fbuilding-libgcc -fno-stack-protector $(FORCE_EXPLICIT_EH_REGISTRY) \ +- $(INHIBIT_LIBC_CFLAGS) ++ -fstack-check=no $(INHIBIT_LIBC_CFLAGS) + + # Extra flags to use when compiling crt{begin,end}.o. + CRTSTUFF_T_CFLAGS = +--- a/gcc/defaults.h 2016-01-04 15:30:50.000000000 +0100 ++++ b/gcc/defaults.h 2016-05-02 22:23:43.815707806 +0200 +@@ -1398,8 +1398,12 @@ see the files COPYING3 and COPYING.RUNTI + /* Default value for flag_stack_protect when flag_stack_protect is initialized to -1: + --enable-default-ssp: Default flag_stack_protect to -fstack-protector-strong. + --disable-default-ssp: Default flag_stack_protect to 0. ++ Hardened: Default flag_stack_protect to -fstack-protector-all. + */ + #ifdef ENABLE_DEFAULT_SSP ++# ifdef EXTRA_OPTIONS ++# define DEFAULT_FLAG_SSP 2 ++# endif + # ifndef DEFAULT_FLAG_SSP + # define DEFAULT_FLAG_SSP 3 + # endif +--- a/gcc/gcc.c 2016-02-19 23:18:38.000000000 +0100 ++++ b/gcc/gcc.c 2016-05-02 22:56:10.185721270 +0200 +@@ -868,6 +868,13 @@ proper position among the other output f + #endif + #endif + ++#define STACK_CHECK_SPEC "%{fstack-check|fstack-check=*:;: -fstack-check} " ++#ifdef EXTRA_OPTIONS ++#define LINK_NOW_SPEC "%{!nonow:-z now} " ++#else ++#define LINK_NOW_SPEC "" ++#endif ++ + #ifdef ENABLE_DEFAULT_PIE + #define NO_PIE_SPEC "no-pie|static" + #define PIE_SPEC NO_PIE_SPEC "|r|shared:;" +@@ -1013,7 +1020,7 @@ proper position among the other output f + %(linker) " \ + LINK_PLUGIN_SPEC \ + "%{flto|flto=*:%