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llvm-symbolizer: add --obj flag to specify a single object file that should be symbolized.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197988 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexey Samsonov
2013-12-24 19:33:22 +00:00
parent 7f7c068388
commit 42c9ecb7a4
3 changed files with 48 additions and 18 deletions
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41
tools/llvm-symbolizer/llvm-symbolizer.cpp
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@ -51,6 +51,11 @@ static cl::opt<std::string> ClDefaultArch("default-arch", cl::init(""),
cl::desc("Default architecture "
"(for multi-arch objects)"));
static cl::opt<std::string>
ClBinaryName("obj", cl::init(""),
cl::desc("Path to object file to be symbolized (if not provided, "
"object file should be specified for each input line)"));
static bool parseCommand(bool &IsData, std::string &ModuleName,
uint64_t &ModuleOffset) {
const char *kDataCmd = "DATA ";
@ -62,7 +67,6 @@ static bool parseCommand(bool &IsData, std::string &ModuleName,
return false;
IsData = false;
ModuleName = "";
std::string ModuleOffsetStr = "";
char *pos = InputString;
if (strncmp(pos, kDataCmd, strlen(kDataCmd)) == 0) {
IsData = true;
@ -74,26 +78,29 @@ static bool parseCommand(bool &IsData, std::string &ModuleName,
// If no cmd, assume it's CODE.
IsData = false;
}
// Skip delimiters and parse input filename.
pos += strspn(pos, kDelimiters);
if (*pos == '"' || *pos == '\'') {
char quote = *pos;
pos++;
char *end = strchr(pos, quote);
if (end == 0)
return false;
ModuleName = std::string(pos, end - pos);
pos = end + 1;
// Skip delimiters and parse input filename (if needed).
if (ClBinaryName == "") {
pos += strspn(pos, kDelimiters);
if (*pos == '"' || *pos == '\'') {
char quote = *pos;
pos++;
char *end = strchr(pos, quote);
if (end == 0)
return false;
ModuleName = std::string(pos, end - pos);
pos = end + 1;
} else {
int name_length = strcspn(pos, kDelimiters);
ModuleName = std::string(pos, name_length);
pos += name_length;
}
} else {
int name_length = strcspn(pos, kDelimiters);
ModuleName = std::string(pos, name_length);
pos += name_length;
ModuleName = ClBinaryName;
}
// Skip delimiters and parse module offset.
pos += strspn(pos, kDelimiters);
int offset_length = strcspn(pos, kDelimiters);
ModuleOffsetStr = std::string(pos, offset_length);
if (StringRef(ModuleOffsetStr).getAsInteger(0, ModuleOffset))
if (StringRef(pos, offset_length).getAsInteger(0, ModuleOffset))
return false;
return true;
}
@ -104,7 +111,7 @@ int main(int argc, char **argv) {
PrettyStackTraceProgram X(argc, argv);
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
cl::ParseCommandLineOptions(argc, argv, "llvm symbolizer for compiler-rt\n");
cl::ParseCommandLineOptions(argc, argv, "llvm-symbolizer\n");
LLVMSymbolizer::Options Opts(ClUseSymbolTable, ClPrintFunctions,
ClPrintInlining, ClDemangle, ClDefaultArch);
LLVMSymbolizer Symbolizer(Opts);