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9 Commits

Author SHA1 Message Date
Marek Polacek
85a16bf8b5 builtins.def: Change SANITIZE_FLOAT_DIVIDE to SANITIZE_NONDEFAULT. 
* builtins.def: Change SANITIZE_FLOAT_DIVIDE to SANITIZE_NONDEFAULT.
	* gcc.c (sanitize_spec_function): Likewise.
	* convert.c (convert_to_integer): Include "ubsan.h".  Add
	floating-point to integer instrumentation.
	* doc/invoke.texi: Document -fsanitize=float-cast-overflow.
	* flag-types.h (enum sanitize_code): Add SANITIZE_FLOAT_CAST and
	SANITIZE_NONDEFAULT.
	* opts.c (common_handle_option): Handle -fsanitize=float-cast-overflow.
	* sanitizer.def (BUILT_IN_UBSAN_HANDLE_FLOAT_CAST_OVERFLOW,
	BUILT_IN_UBSAN_HANDLE_FLOAT_CAST_OVERFLOW_ABORT): Add.
	* ubsan.c: Include "realmpfr.h" and "dfp.h".
	(get_ubsan_type_info_for_type): Handle REAL_TYPEs.
	(ubsan_type_descriptor): Set tkind to 0xffff for types other than
	float/double/long double.
	(ubsan_instrument_float_cast): New function.
	* ubsan.h (ubsan_instrument_float_cast): Declare.
testsuite/
	* c-c++-common/ubsan/float-cast-overflow-1.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-10.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-2.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-3.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-4.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-5.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-6.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-7.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-7.h: New file.
	* c-c++-common/ubsan/float-cast-overflow-8.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-9.c: New test.
	* c-c++-common/ubsan/float-cast.h: New file.
	* g++.dg/ubsan/float-cast-overflow-bf.C: New test.
	* gcc.dg/ubsan/float-cast-overflow-bf.c: New test.
libsanitizer/
	* ubsan/ubsan_value.cc (getFloatValue): Handle 96-bit
	floating-point types.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r210862
 2014-05-23 14:44:42 +00:00
Kostya Serebryany
dee5ea7a0b libsanitizer merge from upstream r209283 
From-SVN: r210743
 2014-05-22 07:09:21 +00:00
Jakub Jelinek
c915a58145 re PR sanitizer/59136 (llvm-symbolizer shouldn't be started always) 
PR sanitizer/59136
libsanitizer/
	* sanitizer_common/Makefile.am (AM_CXXFLAGS): If
	LIBBACKTRACE_SUPPORTED add -DSANITIZER_LIBBACKTRACE
	and -I/-include flags.
	* lsan/Makefile.am (liblsan_la_LIBADD): Add
	libsanitizer_libbacktrace.la if LIBBACKTRACE_SUPPORTED.
	* tsan/Makefile.am (libtsan_la_LIBADD): Likewise.
	* ubsan/Makefile.am (libubsan_la_LIBADD): Likewise.
	* asan/Makefile.am (libasan_la_LIBADD): Likewise.
	* Makefile.am (SUBDIRS): If LIBBACKTRACE_SUPPORTED add
	libbacktrace.
	* README.gcc: Document that also lsan and ubsan are
	maintained in compiler-rt upstream.
	* libbacktrace/Makefile.am: New file.
	* libbacktrace/backtrace-rename.h: New file.
	* libbacktrace/backtrace-supported.h.in: New file.
	* libbacktrace/bridge.cc: New file.
	* configure.ac: Add tests needed for libbacktrace build
	within libsanitizer.
	* sanitizer_common/Makefile.in: Regenerated.
	* lsan/Makefile.in: Regenerated.
	* tsan/Makefile.in: Regenerated.
	* ubsan/Makefile.in: Regenerated.
	* libbacktrace/Makefile.in: Generated.
	* config.h.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
	* interception/Makefile.in: Regenerated.
	* asan/Makefile.in: Regenerated.
	* aclocal.m4: Regenerated.
testsuite/
	* c-c++-common/asan/strip-path-prefix-1.c: Allow also the
	filename:line instead of (modulename+offset) form with stripped
	initial / from the filename.

From-SVN: r206475
 2014-01-09 19:13:39 +01:00
Kostya Serebryany
df77f0e4ec libsanitizer merge from upstream r196090 
From-SVN: r205695
 2013-12-05 09:18:38 +00:00
Jakub Jelinek
35814b0346 re PR sanitizer/59063 (ASAN: segfault in __interceptor_clock_gettime) 
gcc/
2013-11-29  Jakub Jelinek  <jakub@redhat.com>
            Yury Gribov  <y.gribov@samsung.com>

        PR sanitizer/59063
        * config/gnu-user.h: Removed old code for setting up sanitizer
        libs.
        * gcc.c: Using libsanitizer spec instead of explicit libs.

gcc/testsuite/
2013-11-29  Jakub Jelinek  <jakub@redhat.com>
            Yury Gribov  <y.gribov@samsung.com>

        PR sanitizer/59063
        * c-c++-common/asan/pr59063-1.c: New test.
        * c-c++-common/asan/pr59063-2.c: Likewise.
        * lib/asan-dg.exp: Add path to libsanitizer.spec to cflags.
        * lib/ubsan-dg.exp: Likewise.

libsanitizer/
2013-11-29  Jakub Jelinek  <jakub@redhat.com>
            Yury Gribov  <y.gribov@samsung.com>

        PR sanitizer/59063
        * libsanitizer.spec.in: Add spec file to hold link flags for
        various sanitizer libs.
        * configure.ac: Check whether clock_* routines come from librt.
        * asan/Makefile.am (libasan_la_LDFLAGS): Libs now come from
        configure.ac.
        * tsan/Makefile.am (libtsan_la_LDFLAGS): Likewise.
        * ubsan/Makefile.am (libubsan_la_LDFLAGS): Likewise.
        * lsan/Makefile.am (liblsan_la_LDFLAGS): Likewise.
        * asan/Makefile.in: Regenerate.
        * interception/Makefile.in: Regenerate.
        * lsan/Makefile.in: Regenerate.
        * sanitizer_common/Makefile.in: Regenerate.
        * tsan/Makefile.in: Regenerate.
        * ubsan/Makefile.in: Regenerate.
        * Makefile.in: Regenerate.
        * configure: Regenerate.


Co-Authored-By: Yury Gribov <y.gribov@samsung.com>

From-SVN: r205524
 2013-11-29 12:30:36 +00:00
Jakub Jelinek
049558ed48 re PR sanitizer/59106 (Failure to link against static libasan) 
2013-11-28  Jakub Jelinek  <jakub@redhat.com>
	    Yury Gribov  <y.gribov@samsung.com>

	PR sanitizer/59106
	* ubsan/Makefile.am (AM_CXXFLAGS): Disable -frtti for files that
	don't need it.
	* ubsan/Makefile.in: Regenerated.

Co-Authored-By: Yury Gribov <y.gribov@samsung.com>

From-SVN: r205482
 2013-11-28 12:20:23 +00:00
Kostya Serebryany
ef1b3fda32 libsanitizer merge from upstream r191666 
This may break gcc-asan on Mac, will follow up separately.

From-SVN: r204368
 2013-11-04 21:33:31 +00:00
Iain Sandoe
0cea211ebd darwin.h (LINK_COMMAND_SPEC_A): Revise sanitizer specs to include sanitize(undefined). 
gcc:

        * config/darwin.h (LINK_COMMAND_SPEC_A): Revise sanitizer specs to
        include sanitize(undefined).

libsanitizer:

        * ubsan/Makefile.am (libubsan_la_LIBADD): Revise to omit
        libinterception.la for Darwin.
        * ubsan/Makefile.in: Regenerate.

From-SVN: r202144
 2013-09-01 12:16:07 +00:00
Marek Polacek
de5a5fa139 Merge ubsan into trunk. 
From-SVN: r202113
 2013-08-30 16:12:58 +00:00