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[UBSan] Move all runtime flags parsing to ubsan_flags.cc. 

No functionality change.

llvm-svn: 214258
This commit is contained in:
Alexey Samsonov 2014-07-29 23:49:20 +00:00
parent 130765558b
commit 6ae5bac794
3 changed files with 19 additions and 12 deletions
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23
compiler-rt/lib/ubsan/ubsan_flags.cc
View File

@ -17,18 +17,29 @@
namespace __ubsan {
void InitializeCommonFlags() {
CommonFlags *cf = common_flags();
SetCommonFlagsDefaults(cf);
cf->print_summary = false;
// Common flags may be overriden in UBSAN_OPTIONS.
ParseCommonFlagsFromString(cf, GetEnv("UBSAN_OPTIONS"));
}
Flags ubsan_flags;
static void ParseFlagsFromString(Flags *f, const char *str) {
if (!str)
return;
ParseFlag(str, &f->print_stacktrace, "print_stacktrace",
"Include full stacktrace into an error report");
}
void InitializeFlags() {
Flags *f = flags();
// Default values.
f->print_stacktrace = false;
const char *options = GetEnv("UBSAN_OPTIONS");
if (options) {
ParseFlag(options, &f->print_stacktrace, "print_stacktrace",
"Include full stacktrace into an error report");
}
// Override from environment variable.
ParseFlagsFromString(f, GetEnv("UBSAN_OPTIONS"));
}
} // namespace __ubsan

1
compiler-rt/lib/ubsan/ubsan_flags.h
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@ -22,6 +22,7 @@ struct Flags {
extern Flags ubsan_flags;
inline Flags *flags() { return &ubsan_flags; }
void InitializeCommonFlags();
void InitializeFlags();
} // namespace __ubsan

7
compiler-rt/lib/ubsan/ubsan_init.cc
View File

@ -15,7 +15,6 @@
#include "ubsan_flags.h"
#include "sanitizer_common/sanitizer_common.h"
#include "sanitizer_common/sanitizer_libc.h"
#include "sanitizer_common/sanitizer_flags.h"
#include "sanitizer_common/sanitizer_mutex.h"
#include "sanitizer_common/sanitizer_symbolizer.h"
@ -38,11 +37,7 @@ void __ubsan::InitIfNecessary() {
// common flags. It means, that we are not allowed to *use* common flags
// in this function.
SanitizerToolName = "UndefinedBehaviorSanitizer";
CommonFlags *cf = common_flags();
SetCommonFlagsDefaults(cf);
cf->print_summary = false;
// Common flags may only be modified via UBSAN_OPTIONS.
ParseCommonFlagsFromString(cf, GetEnv("UBSAN_OPTIONS"));
InitializeCommonFlags();
Symbolizer::GetOrInit();
}
// Initialize UBSan-specific flags.