diff options
Diffstat (limited to 'V8Binding/v8/src/ia32/cpu-ia32.cc')
| -rw-r--r-- | V8Binding/v8/src/ia32/cpu-ia32.cc | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/V8Binding/v8/src/ia32/cpu-ia32.cc b/V8Binding/v8/src/ia32/cpu-ia32.cc index 82a5565..2107ad9 100644 --- a/V8Binding/v8/src/ia32/cpu-ia32.cc +++ b/V8Binding/v8/src/ia32/cpu-ia32.cc @@ -27,6 +27,10 @@ // CPU specific code for ia32 independent of OS goes here. +#ifdef __GNUC__ +#include "third_party/valgrind/valgrind.h" +#endif + #include "v8.h" #include "cpu.h" @@ -49,6 +53,15 @@ void CPU::FlushICache(void* start, size_t size) { // If flushing of the instruction cache becomes necessary Windows has the // API function FlushInstructionCache. + + // By default, valgrind only checks the stack for writes that might need to + // invalidate already cached translated code. This leads to random + // instability when code patches or moves are sometimes unnoticed. One + // solution is to run valgrind with --smc-check=all, but this comes at a big + // performance cost. We can notify valgrind to invalidate its cache. +#ifdef VALGRIND_DISCARD_TRANSLATIONS + VALGRIND_DISCARD_TRANSLATIONS(start, size); +#endif } |