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re PR sanitizer/55374 ([asan] -static-libasan -static-libstdc++ doesn't work)

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PR sanitizer/55374
	* config/gnu-user.h (LIBTSAN_EARLY_SPEC): Define.
	(STATIC_LIBTSAN_LIBS): Likewise.
	* gcc.c (ADD_STATIC_LIBTSAN_LIBS, LIBTSAN_EARLY_SPEC): Define.
	(LIBTSAN_SPEC): Add ADD_STATIC_LIBTSAN_LIBS, if LIBTSAN_EARLY_SPEC
	is defined, don't add anything else beyond that.
	(SANITIZER_EARLY_SPEC, SANITIZER_SPEC): Define.
	(LINK_COMMAND_SPEC): Use them.

From-SVN: r195761
This commit is contained in:
Jakub Jelinek 2013-02-05 16:55:31 +01:00 committed by Jakub Jelinek
parent 11f1e3ab23
commit a74db9bd86
3 changed files with 53 additions and 11 deletions
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9
gcc/ChangeLog
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@ -1,5 +1,14 @@
2013-02-05 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/55374
* config/gnu-user.h (LIBTSAN_EARLY_SPEC): Define.
(STATIC_LIBTSAN_LIBS): Likewise.
* gcc.c (ADD_STATIC_LIBTSAN_LIBS, LIBTSAN_EARLY_SPEC): Define.
(LIBTSAN_SPEC): Add ADD_STATIC_LIBTSAN_LIBS, if LIBTSAN_EARLY_SPEC
is defined, don't add anything else beyond that.
(SANITIZER_EARLY_SPEC, SANITIZER_SPEC): Define.
(LINK_COMMAND_SPEC): Use them.
PR tree-optimization/56205
* tree-stdarg.c (check_all_va_list_escapes): Return true if
there are any PHI nodes that set non-va_list_escape_vars SSA_NAME

10
gcc/config/gnu-user.h
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@ -101,14 +101,22 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
/* Link -lasan early on the command line. For -static-libasan, don't link
it for -shared link, the executable should be compiled with -static-libasan
in that case, and for executable link link with --{,no-}whole-archive around
it to force everything into the executable. */
it to force everything into the executable. And similarly for -ltsan. */
#if defined(HAVE_LD_STATIC_DYNAMIC)
#undef LIBASAN_EARLY_SPEC
#define LIBASAN_EARLY_SPEC "%{static-libasan:%{!shared:" \
LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \
LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}"
#undef LIBTSAN_EARLY_SPEC
#define LIBTSAN_EARLY_SPEC "%{static-libtsan:%{!shared:" \
LD_STATIC_OPTION " --whole-archive -ltsan --no-whole-archive " \
LD_DYNAMIC_OPTION "}}%{!static-libtsan:-ltsan}"
#endif
/* Additional libraries needed by -static-libasan. */
#undef STATIC_LIBASAN_LIBS
#define STATIC_LIBASAN_LIBS "-ldl -lpthread"
/* Additional libraries needed by -static-libtsan. */
#undef STATIC_LIBTSAN_LIBS
#define STATIC_LIBTSAN_LIBS "-ldl -lpthread"

45
gcc/gcc.c
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@ -564,12 +564,25 @@ proper position among the other output files. */
#endif
#ifndef LIBTSAN_SPEC
#ifdef HAVE_LD_STATIC_DYNAMIC
#define LIBTSAN_SPEC "%{static-libtsan:" LD_STATIC_OPTION \
"} -ltsan %{static-libtsan:" LD_DYNAMIC_OPTION "}"
#ifdef STATIC_LIBTSAN_LIBS
#define ADD_STATIC_LIBTSAN_LIBS \
" %{static-libtsan:" STATIC_LIBTSAN_LIBS "}"
#else
#define LIBTSAN_SPEC "-ltsan"
#define ADD_STATIC_LIBTSAN_LIBS
#endif
#ifdef LIBTSAN_EARLY_SPEC
#define LIBTSAN_SPEC ADD_STATIC_LIBTSAN_LIBS
#elif defined(HAVE_LD_STATIC_DYNAMIC)
#define LIBTSAN_SPEC "%{static-libtsan:" LD_STATIC_OPTION \
"} -ltsan %{static-libtsan:" LD_DYNAMIC_OPTION "}" \
ADD_STATIC_LIBTSAN_LIBS
#else
#define LIBTSAN_SPEC "-ltsan" ADD_STATIC_LIBTSAN_LIBS
#endif
#endif
#ifndef LIBTSAN_EARLY_SPEC
#define LIBTSAN_EARLY_SPEC ""
#endif
/* config.h can define LIBGCC_SPEC to override how and when libgcc.a is
@ -691,6 +704,21 @@ proper position among the other output files. */
%e-fuse-linker-plugin is not supported in this configuration}"
#endif
/* Linker command line options for -fsanitize= early on the command line. */
#ifndef SANITIZER_EARLY_SPEC
#define SANITIZER_EARLY_SPEC "\
%{!nostdlib:%{!nodefaultlibs:%{fsanitize=address:" LIBASAN_EARLY_SPEC "} \
%{fsanitize=thread:" LIBTSAN_EARLY_SPEC "}}}"
#endif
/* Linker command line options for -fsanitize= late on the command line. */
#ifndef SANITIZER_SPEC
#define SANITIZER_SPEC "\
%{!nostdlib:%{!nodefaultlibs:%{fsanitize=address:" LIBASAN_SPEC "\
%{static:%ecannot specify -static with -fsanitize=address}}\
%{fsanitize=thread:" LIBTSAN_SPEC "\
%{!pie:%{!shared:%e-fsanitize=thread linking must be done with -pie or -shared}}}}}"
#endif
/* -u* was put back because both BSD and SysV seem to support it. */
/* %{static:} simply prevents an error message if the target machine
@ -706,19 +734,16 @@ proper position among the other output files. */
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
%(linker) " \
LINK_PLUGIN_SPEC \
"%{flto|flto=*:%<fcompare-debug*} \
"%{flto|flto=*:%<fcompare-debug*} \
%{flto} %{flto=*} %l " LINK_PIE_SPEC \
"%{fuse-ld=*:-fuse-ld=%*}\
%X %{o*} %{e*} %{N} %{n} %{r}\
%{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}}\
%{static:} %{L*} %(mfwrap) %(link_libgcc) \
%{fsanitize=address:" LIBASAN_EARLY_SPEC "} %o\
%{static:} %{L*} %(mfwrap) %(link_libgcc) " SANITIZER_EARLY_SPEC " %o\
%{fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}\
%{fgnu-tm:%:include(libitm.spec)%(link_itm)}\
%(mflib) " STACK_SPLIT_SPEC "\
%{fprofile-arcs|fprofile-generate*|coverage:-lgcov}\
%{fsanitize=address:" LIBASAN_SPEC "%{static:%ecannot specify -static with -fsanitize=address}}\
%{fsanitize=thread:" LIBTSAN_SPEC "}\
%{fprofile-arcs|fprofile-generate*|coverage:-lgcov} " SANITIZER_SPEC " \
%{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}}\
%{!nostdlib:%{!nostartfiles:%E}} %{T*} }}}}}}"
#endif