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| author | Xinliang David Li <davidxl@google.com> | 2016-06-08 23:43:56 +0000 |
|---|---|---|
| committer | Xinliang David Li <davidxl@google.com> | 2016-06-08 23:43:56 +0000 |
| commit | 8be0a4ba49d80b27d9a1e3906bef25f674f1c195 (patch) | |
| tree | 8272179a1ea12f96e1f507a4bddbcd1a86774421 /lib/profile/InstrProfilingInternal.h | |
| parent | ef5e5ab4ba851cacd6b4cbf3b83a27373e62badb (diff) | |
[profile] in-process merging support part-3
Differential Revision: http://reviews.llvm.org/D21056
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@272227 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/profile/InstrProfilingInternal.h')
| -rw-r--r-- | lib/profile/InstrProfilingInternal.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/profile/InstrProfilingInternal.h b/lib/profile/InstrProfilingInternal.h index 47f90ee3e..bcbe29a03 100644 --- a/lib/profile/InstrProfilingInternal.h +++ b/lib/profile/InstrProfilingInternal.h @@ -156,6 +156,13 @@ VPDataReaderType *lprofGetVPDataReader(); void lprofSetMaxValsPerSite(uint32_t MaxVals); void lprofSetupValueProfiler(); +/* Return the profile header 'signature' value associated with the current + * executable or shared library. The signature value can be used to for + * a profile name that is unique to this load module so that it does not + * collide with profiles from other binaries. It also allows shared libraries + * to dump merged profile data into its own profile file. */ +uint64_t lprofGetLoadModuleSignature(); + COMPILER_RT_VISIBILITY extern char *(*GetEnvHook)(const char *); COMPILER_RT_VISIBILITY extern void (*FreeHook)(void *); COMPILER_RT_VISIBILITY extern uint8_t *DynamicBufferIOBuffer; |