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Mac: add option to dump_syms to mark folded symbols

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Bug: google-breakpad:751
Change-Id: I12afcc8399fa9808aace9f465622bd074eab13f4
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/4034827
Reviewed-by: Mark Mentovai <mark@chromium.org>
This commit is contained in:
Leonard Grey 2022-12-01 15:20:03 -05:00
parent 9aa786f03d
commit 87b60390f0
3 changed files with 32 additions and 12 deletions
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22
src/tools/mac/dump_syms/dump_syms_tool.cc
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@ -50,8 +50,14 @@ using std::vector;
struct Options {
Options()
: srcPath(), dsymPath(), arch(), header_only(false),
cfi(true), handle_inter_cu_refs(true), handle_inlines(false) {}
: srcPath(),
dsymPath(),
arch(),
header_only(false),
cfi(true),
handle_inter_cu_refs(true),
handle_inlines(false),
enable_multiple(false) {}
string srcPath;
string dsymPath;
@ -60,6 +66,7 @@ struct Options {
bool cfi;
bool handle_inter_cu_refs;
bool handle_inlines;
bool enable_multiple;
};
static bool StackFrameEntryComparator(const Module::StackFrameEntry* a,
@ -139,7 +146,8 @@ static bool Start(const Options& options) {
SymbolData symbol_data =
(options.handle_inlines ? INLINES : NO_DATA) |
(options.cfi ? CFI : NO_DATA) | SYMBOLS_AND_FILES;
DumpSymbols dump_symbols(symbol_data, options.handle_inter_cu_refs);
DumpSymbols dump_symbols(symbol_data, options.handle_inter_cu_refs,
options.enable_multiple);
// For x86_64 binaries, the CFI data is in the __TEXT,__eh_frame of the
// Mach-O file, which is not copied into the dSYM. Whereas in i386, the CFI
@ -215,6 +223,9 @@ static void Usage(int argc, const char *argv[]) {
fprintf(stderr, "\t-c: Do not generate CFI section\n");
fprintf(stderr, "\t-r: Do not handle inter-compilation unit references\n");
fprintf(stderr, "\t-d: Generate INLINE and INLINE_ORIGIN records\n");
fprintf(stderr,
"\t-m: Enable writing the optional 'm' field on FUNC "
"and PUBLIC, denoting multiple symbols for the address.\n");
fprintf(stderr, "\t-h: Usage\n");
fprintf(stderr, "\t-?: Usage\n");
}
@ -224,7 +235,7 @@ static void SetupOptions(int argc, const char *argv[], Options *options) {
extern int optind;
signed char ch;
while ((ch = getopt(argc, (char * const*)argv, "ia:g:crd?h")) != -1) {
while ((ch = getopt(argc, (char* const*)argv, "ia:g:crdm?h")) != -1) {
switch (ch) {
case 'i':
options->header_only = true;
@ -252,6 +263,9 @@ static void SetupOptions(int argc, const char *argv[], Options *options) {
case 'd':
options->handle_inlines = true;
break;
case 'm':
options->enable_multiple = true;
break;
case '?':
case 'h':
Usage(argc, argv);