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[tsan] Track external API accesses as 1-byte accesses (instead of 8-byte) 

It doesn't really make sense to track them as 8-byte accesses.

Differential Revision: https://reviews.llvm.org/D32359

llvm-svn: 301001
This commit is contained in:
Kuba Mracek 2017-04-21 17:21:18 +00:00
parent 2e4e7d04d2
commit 676d008198
1 changed files with 2 additions and 2 deletions
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4
compiler-rt/lib/tsan/rtl/tsan_external.cc
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@ -61,7 +61,7 @@ void __tsan_external_read(void *addr, void *caller_pc, void *tag) {
if (caller_pc) FuncEntry(thr, (uptr)caller_pc);
bool in_ignored_lib;
if (!caller_pc || !libignore()->IsIgnored((uptr)caller_pc, &in_ignored_lib)) {
MemoryRead(thr, CALLERPC, (uptr)addr, kSizeLog8);
MemoryRead(thr, CALLERPC, (uptr)addr, kSizeLog1);
}
if (caller_pc) FuncExit(thr);
thr->external_tag = 0;
@ -75,7 +75,7 @@ void __tsan_external_write(void *addr, void *caller_pc, void *tag) {
if (caller_pc) FuncEntry(thr, (uptr)caller_pc);
bool in_ignored_lib;
if (!caller_pc || !libignore()->IsIgnored((uptr)caller_pc, &in_ignored_lib)) {
MemoryWrite(thr, CALLERPC, (uptr)addr, kSizeLog8);
MemoryWrite(thr, CALLERPC, (uptr)addr, kSizeLog1);
}
if (caller_pc) FuncExit(thr);
thr->external_tag = 0;