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| author | Xinliang David Li <davidxl@google.com> | 2016-05-16 23:01:03 +0000 |
|---|---|---|
| committer | Xinliang David Li <davidxl@google.com> | 2016-05-16 23:01:03 +0000 |
| commit | e3e27c07259bbfe1cc4615ad518f51d143cda0cc (patch) | |
| tree | 601ce8793a7b841d774615864f7f1d38db6f464f /lib/profile/InstrProfilingUtil.c | |
| parent | c87f7410a648527864dee5c0c887a4ecaa09579a (diff) | |
[profile] Add portability macro for atomic fetch_and_add
This is another enabler patch to support value profiling
without dynamic memory allocation.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@269719 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/profile/InstrProfilingUtil.c')
| -rw-r--r-- | lib/profile/InstrProfilingUtil.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/profile/InstrProfilingUtil.c b/lib/profile/InstrProfilingUtil.c index 04bdb3e4c..eb79d4222 100644 --- a/lib/profile/InstrProfilingUtil.c +++ b/lib/profile/InstrProfilingUtil.c @@ -51,6 +51,13 @@ uint32_t lprofBoolCmpXchg(void **Ptr, void *OldV, void *NewV) { } return 0; } +COMPILER_RT_VISIBILITY +void *lprofPtrFetchAdd(void **Mem, long ByteIncr) { + void *Old = *Mem; + *((char **)Mem) += ByteIncr; + return Old; +} + #endif #ifdef COMPILER_RT_HAS_UNAME |