[asan] Move the "coverage" flag to common flags.

The implementation lives in sanitizer_common and will need to access that flag.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208566 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 8 insertions, 7 deletions

diff --git a/lib/asan/asan_flags.h b/lib/asan/asan_flags.h
index cb1bcf47c..11392041b 100644
--- a/lib/asan/asan_flags.h
+++ b/lib/asan/asan_flags.h
@@ -52,7 +52,6 @@ struct Flags {
   bool print_stats;
   bool print_legend;
   bool atexit;
-  bool coverage;
   bool disable_core;
   bool allow_reexec;
   bool print_full_thread_history;
diff --git a/lib/asan/asan_rtl.cc b/lib/asan/asan_rtl.cc
index 4022bb7c1..39b186805 100644
--- a/lib/asan/asan_rtl.cc
+++ b/lib/asan/asan_rtl.cc
@@ -53,7 +53,7 @@ static void AsanDie() {
       UnmapOrDie((void*)kLowShadowBeg, kHighShadowEnd - kLowShadowBeg);
     }
   }
-  if (flags()->coverage)
+  if (common_flags()->coverage)
     __sanitizer_cov_dump();
   if (death_callback)
     death_callback();
@@ -172,9 +172,6 @@ static void ParseFlagsFromString(Flags *f, const char *str) {
   ParseFlag(str, &f->atexit, "atexit",
       "If set, prints ASan exit stats even after program terminates "
       "successfully.");
-  ParseFlag(str, &f->coverage, "coverage",
-      "If set, coverage information will be dumped at program shutdown (if the "
-      "coverage instrumentation was enabled at compile time).");
 
   ParseFlag(str, &f->disable_core, "disable_core",
       "Disable core dumping. By default, disable_core=1 on 64-bit to avoid "
@@ -240,6 +237,7 @@ void InitializeFlags(Flags *f, const char *env) {
   cf->external_symbolizer_path = GetEnv("ASAN_SYMBOLIZER_PATH");
   cf->malloc_context_size = kDefaultMallocContextSize;
   cf->intercept_tls_get_addr = true;
+  cf->coverage = false;
 
   internal_memset(f, 0, sizeof(*f));
   f->quarantine_size = (ASAN_LOW_MEMORY) ? 1UL << 26 : 1UL << 28;
@@ -266,7 +264,6 @@ void InitializeFlags(Flags *f, const char *env) {
   f->print_stats = false;
   f->print_legend = true;
   f->atexit = false;
-  f->coverage = false;
   f->disable_core = (SANITIZER_WORDSIZE == 64);
   f->allow_reexec = true;
   f->print_full_thread_history = true;
@@ -665,7 +662,7 @@ static void AsanInitInternal() {
   if (flags()->atexit)
     Atexit(asan_atexit);
 
-  if (flags()->coverage) {
+  if (common_flags()->coverage) {
     __sanitizer_cov_init();
     Atexit(__sanitizer_cov_dump);
   }
diff --git a/lib/sanitizer_common/sanitizer_flags.cc b/lib/sanitizer_common/sanitizer_flags.cc
index cb287dfe7..86d70124e 100644
--- a/lib/sanitizer_common/sanitizer_flags.cc
+++ b/lib/sanitizer_common/sanitizer_flags.cc
@@ -54,6 +54,7 @@ void SetCommonFlagsDefaults(CommonFlags *f) {
   f->color = "auto";
   f->legacy_pthread_cond = false;
   f->intercept_tls_get_addr = false;
+  f->coverage = false;
 }
 
 void ParseCommonFlagsFromString(CommonFlags *f, const char *str) {
@@ -122,6 +123,9 @@ void ParseCommonFlagsFromString(CommonFlags *f, const char *str) {
   ParseFlag(str, &f->mmap_limit_mb, "mmap_limit_mb",
             "Limit the amount of mmap-ed memory (excluding shadow) in Mb; "
             "not a user-facing flag, used mosly for testing the tools");
+  ParseFlag(str, &f->coverage, "coverage",
+      "If set, coverage information will be dumped at program shutdown (if the "
+      "coverage instrumentation was enabled at compile time).");
 
   // Do a sanity check for certain flags.
   if (f->malloc_context_size < 1)
diff --git a/lib/sanitizer_common/sanitizer_flags.h b/lib/sanitizer_common/sanitizer_flags.h
index a322eadeb..cf9afffaa 100644
--- a/lib/sanitizer_common/sanitizer_flags.h
+++ b/lib/sanitizer_common/sanitizer_flags.h
@@ -53,6 +53,7 @@ struct CommonFlags {
   bool intercept_tls_get_addr;
   bool help;
   uptr mmap_limit_mb;
+  bool coverage;
 };
 
 inline CommonFlags *common_flags() {