[esan|cfrag] Add the skeleton to handle the cfrag argument
Summary:
Adds the struct declaration for the cache-fragmentation tool variable
passed to the runtime library.
Updates test struct-simple.cpp.
Reviewers: aizatsky, bruening
Subscribers: filcab, kubabrecka, bruening, kcc, vitalybuka, eugenis, llvm-commits, zhaoqin
Differential Revision: http://reviews.llvm.org/D20542
llvm-svn: 271337
diff --git a/compiler-rt/lib/esan/cache_frag.cpp b/compiler-rt/lib/esan/cache_frag.cpp
index 1ab8699..da168dc 100644
--- a/compiler-rt/lib/esan/cache_frag.cpp
+++ b/compiler-rt/lib/esan/cache_frag.cpp
@@ -16,14 +16,34 @@
namespace __esan {
+// This should be kept consistent with LLVM's EfficiencySanitizer StructInfo.
+struct StructInfo {
+ const char *StructName;
+ u32 NumOfFields;
+ u64 *FieldCounters;
+ const char **FieldTypeNames;
+};
+
+// This should be kept consistent with LLVM's EfficiencySanitizer CacheFragInfo.
+// The tool-specific information per compilation unit (module).
+struct CacheFragInfo {
+ const char *UnitName;
+ u32 NumOfStructs;
+ StructInfo *Structs;
+};
+
//===-- Init/exit functions -----------------------------------------------===//
void processCacheFragCompilationUnitInit(void *Ptr) {
- VPrintf(2, "in esan::%s\n", __FUNCTION__);
+ CacheFragInfo *CacheFrag = (CacheFragInfo *)Ptr;
+ VPrintf(2, "in esan::%s: %s with %u class(es)/struct(s)\n",
+ __FUNCTION__, CacheFrag->UnitName, CacheFrag->NumOfStructs);
}
void processCacheFragCompilationUnitExit(void *Ptr) {
- VPrintf(2, "in esan::%s\n", __FUNCTION__);
+ CacheFragInfo *CacheFrag = (CacheFragInfo *)Ptr;
+ VPrintf(2, "in esan::%s: %s with %u class(es)/struct(s)\n",
+ __FUNCTION__, CacheFrag->UnitName, CacheFrag->NumOfStructs);
}
void initializeCacheFrag() {