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3 Commits

Author SHA1 Message Date
Kuba Brecka f94bb99adc [tsan] Port tsan_rtl_amd64.S to OS X to add support for setjmp/longjmp 
This patch ports the assembly file tsan_rtl_amd64.S to OS X, where we need several changes:

* Some assembler directives are not available on OS X (.hidden, .type, .size)
* Symbol names need to start with an underscore (added a ASM_TSAN_SYMBOL macro for that).
* To make the interceptors work, we ween to name the function "_wrap_setjmp" (added ASM_TSAN_SYMBOL_INTERCEPTOR for that).
* Calling the original setjmp is done with a simple "jmp _setjmp".
* __sigsetjmp doesn't exist on OS X.

Differential Revision: http://reviews.llvm.org/D14947

llvm-svn: 254228
 2015-11-28 12:44:23 +00:00
Adhemerval Zanella 2f7f5e3535 [compiler-rt] [tsan] Enable intercept setjmp/longjmp for AArch64 
This patch adds assembly routines to enable setjmp/longjmp for aarch64
on linux.  It fixes:

 * test/tsan/longjmp2.cc
 * test/tsan/longjmp3.cc
 * test/tsan/longjmp4.cc
 * test/tsan/signal_longjmp.cc

I also checked with perlbench from specpu2006 (it fails to run
with missing setjmp/longjmp intrumentation).

llvm-svn: 253205
 2015-11-16 13:55:19 +00:00
Kostya Serebryany 14e92c2c62 [sanitizer] support toolchains that don't understand CFI directives 
Summary: Support toolchains that don't understand CFI directives.

Reviewers: dvyukov

Reviewed By: dvyukov

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2336

llvm-svn: 196480
 2013-12-05 07:44:35 +00:00