[llvm-commits] [compiler-rt] r173347 - /compiler-rt/trunk/lib/sanitizer_common/sanitizer_symbolizer.cc
Alexey Samsonov
samsonov at google.com
Thu Jan 24 06:01:59 PST 2013
Author: samsonov
Date: Thu Jan 24 08:01:59 2013
New Revision: 173347
URL: http://llvm.org/viewvc/llvm-project?rev=173347&view=rev
Log:
[Sanitizer] use stub InternalSymbolizer on platforms where we don't have weak hooks
Modified:
compiler-rt/trunk/lib/sanitizer_common/sanitizer_symbolizer.cc
Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_symbolizer.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_symbolizer.cc?rev=173347&r1=173346&r2=173347&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_symbolizer.cc (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_symbolizer.cc Thu Jan 24 08:01:59 2013
@@ -185,28 +185,23 @@
bool __sanitizer_symbolize_data(const char *ModuleName, u64 ModuleOffset,
char *Buffer, int MaxLength);
} // extern "C"
-#endif // SANITIZER_SUPPORTS_WEAK_HOOKS
class InternalSymbolizer {
public:
typedef bool (*SanitizerSymbolizeFn)(const char*, u64, char*, int);
static InternalSymbolizer *get() {
-#if SANITIZER_SUPPORTS_WEAK_HOOKS
if (__sanitizer_symbolize_code != 0 &&
__sanitizer_symbolize_data != 0) {
void *mem = symbolizer_allocator.Allocate(sizeof(InternalSymbolizer));
return new(mem) InternalSymbolizer();
}
-#endif // SANITIZER_SUPPORTS_WEAK_HOOKS
return 0;
}
char *SendCommand(bool is_data, const char *module_name, uptr module_offset) {
-#if SANITIZER_SUPPORTS_WEAK_HOOKS
SanitizerSymbolizeFn symbolize_fn = is_data ? __sanitizer_symbolize_data
: __sanitizer_symbolize_code;
if (symbolize_fn(module_name, module_offset, buffer_, kBufferSize))
return buffer_;
-#endif // SANITIZER_SUPPORTS_WEAK_HOOKS
return 0;
}
@@ -216,6 +211,17 @@
static const int kBufferSize = 16 * 1024;
char buffer_[kBufferSize];
};
+#else // SANITIZER_SUPPORTS_WEAK_HOOKS
+
+class InternalSymbolizer {
+ public:
+ static InternalSymbolizer *get() { return 0; }
+ char *SendCommand(bool is_data, const char *module_name, uptr module_offset) {
+ return 0;
+ }
+};
+
+#endif // SANITIZER_SUPPORTS_WEAK_HOOKS
class Symbolizer {
public:
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