dump_syms: add a -v flag
dump_syms generates a lot of warnings. This CL puts logging behind a command line flag URL=https://android-review.googlesource.com/181558 BUG=b:25460551 BUG=google-breakpad:441 R=mark@chromium.org Review URL: https://codereview.chromium.org/1437763002 .
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1 changed files with 16 additions and 1 deletions
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@ -27,7 +27,9 @@
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <paths.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <cstring>
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#include <iostream>
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@ -44,6 +46,7 @@ int usage(const char* self) {
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fprintf(stderr, "Options:\n");
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fprintf(stderr, " -c Do not generate CFI section\n");
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fprintf(stderr, " -r Do not handle inter-compilation unit references\n");
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fprintf(stderr, " -v Print all warnings to stderr\n");
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return 1;
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}
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@ -53,6 +56,7 @@ int main(int argc, char **argv) {
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bool cfi = true;
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bool handle_inter_cu_refs = true;
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bool log_to_stderr = false;
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int arg_index = 1;
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while (arg_index < argc && strlen(argv[arg_index]) > 0 &&
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argv[arg_index][0] == '-') {
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@ -60,6 +64,8 @@ int main(int argc, char **argv) {
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cfi = false;
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} else if (strcmp("-r", argv[arg_index]) == 0) {
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handle_inter_cu_refs = false;
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} else if (strcmp("-v", argv[arg_index]) == 0) {
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log_to_stderr = true;
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} else {
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return usage(argv[0]);
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}
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@ -68,6 +74,15 @@ int main(int argc, char **argv) {
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if (arg_index == argc)
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return usage(argv[0]);
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// Save stderr so it can be used below.
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FILE* saved_stderr = fdopen(dup(fileno(stderr)), "w");
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if (!log_to_stderr) {
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if (freopen(_PATH_DEVNULL, "w", stderr)) {
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// If it fails, not a lot we can (or should) do.
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// Add this brace section to silence gcc warnings.
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}
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}
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const char* binary;
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std::vector<string> debug_dirs;
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binary = argv[arg_index];
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@ -80,7 +95,7 @@ int main(int argc, char **argv) {
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SymbolData symbol_data = cfi ? ALL_SYMBOL_DATA : NO_CFI;
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google_breakpad::DumpOptions options(symbol_data, handle_inter_cu_refs);
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if (!WriteSymbolFile(binary, debug_dirs, options, std::cout)) {
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fprintf(stderr, "Failed to write symbol file.\n");
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fprintf(saved_stderr, "Failed to write symbol file.\n");
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return 1;
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}
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