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- Drop unnecessary dependency on libexecinfo for GCC build
https://chromium.googlesource.com/external/webrtc/+/7c4dedade158%5E!/
--- webrtc/base/checks.cc.orig 2018-07-23 14:02:57 UTC
+++ webrtc/base/checks.cc
@@ -11,16 +11,10 @@
// Most of this was borrowed (with minor modifications) from V8's and Chromium's
// src/base/logging.cc.
-// Use the C++ version to provide __GLIBCXX__.
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
-#if defined(__GLIBCXX__) && !defined(__UCLIBC__)
-#include <cxxabi.h>
-#include <execinfo.h>
-#endif
-
#if defined(WEBRTC_ANDROID)
#define LOG_TAG "rtc"
#include <android/log.h> // NOLINT
@@ -51,39 +45,6 @@ void PrintError(const char* format, ...) {
va_end(args);
}
-// TODO(ajm): This works on Mac (although the parsing fails) but I don't seem
-// to get usable symbols on Linux. This is copied from V8. Chromium has a more
-// advanced stace trace system; also more difficult to copy.
-void DumpBacktrace() {
-#if defined(__GLIBCXX__) && !defined(__UCLIBC__)
- void* trace[100];
- int size = backtrace(trace, sizeof(trace) / sizeof(*trace));
- char** symbols = backtrace_symbols(trace, size);
- PrintError("\n==== C stack trace ===============================\n\n");
- if (size == 0) {
- PrintError("(empty)\n");
- } else if (symbols == NULL) {
- PrintError("(no symbols)\n");
- } else {
- for (int i = 1; i < size; ++i) {
- char mangled[201];
- if (sscanf(symbols[i], "%*[^(]%*[(]%200[^)+]", mangled) == 1) { // NOLINT
- PrintError("%2d: ", i);
- int status;
- size_t length;
- char* demangled = abi::__cxa_demangle(mangled, NULL, &length, &status);
- PrintError("%s\n", demangled != NULL ? demangled : mangled);
- free(demangled);
- } else {
- // If parsing failed, at least print the unparsed symbol.
- PrintError("%s\n", symbols[i]);
- }
- }
- }
- free(symbols);
-#endif
-}
-
FatalMessage::FatalMessage(const char* file, int line) {
Init(file, line);
}
@@ -99,7 +60,6 @@ NO_RETURN FatalMessage::~FatalMessage() {
fflush(stderr);
stream_ << std::endl << "#" << std::endl;
PrintError(stream_.str().c_str());
- DumpBacktrace();
fflush(stderr);
abort();
}
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