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Adding --dwarf-version=X option to control emitted DWARF version.

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This commit is contained in:
Dmitry Babokin
2016-07-04 16:13:06 +03:00
parent e3837dcc63
commit d8b353ac98
4 changed files with 32 additions and 7 deletions
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19
main.cpp
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@@ -104,12 +104,13 @@ usage(int ret) {
#ifdef ISPC_IS_WINDOWS
printf(" [--dllexport]\t\t\tMake non-static functions DLL exported. Windows only.\n");
#endif
printf(" [--dwarf-version={2,3,4}]\t\tGenerate source-level debug information with given DWARF version (triggers -g)\n");
printf(" [--emit-asm]\t\t\tGenerate assembly language file as output\n");
printf(" [--emit-c++]\t\t\tEmit a C++ source file as output\n");
printf(" [--emit-llvm]\t\t\tEmit LLVM bitode file as output\n");
printf(" [--emit-obj]\t\t\tGenerate object file file as output (default)\n");
printf(" [--force-alignment=<value>]\t\tForce alignment in memory allocations routine to be <value>\n");
printf(" [-g]\t\t\t\tGenerate debugging information\n");
printf(" [-g]\t\t\t\tGenerate source-level debug information\n");
printf(" [--help]\t\t\t\tPrint help\n");
printf(" [--help-dev]\t\t\tPrint help for developer options\n");
printf(" [--host-stub <filename>]\t\tEmit host-side offload stub functions to file\n");
@@ -121,12 +122,12 @@ usage(int ret) {
printf(" fast\t\t\t\tUse high-performance but lower-accuracy math functions\n");
printf(" svml\t\t\t\tUse the Intel(r) SVML math libraries\n");
printf(" system\t\t\t\tUse the system's math library (*may be quite slow*)\n");
printf(" [-MMM <filename>\t\t\t\tWrite #include dependencies to given file.\n");
printf(" [-MMM <filename>\t\t\tWrite #include dependencies to given file.\n");
printf(" [--no-omit-frame-pointer]\t\tDisable frame pointer omission. It may be useful for profiling\n");
printf(" [--nostdlib]\t\t\tDon't make the ispc standard library available\n");
printf(" [--nocpp]\t\t\t\tDon't run the C preprocessor\n");
printf(" [-o <name>/--outfile=<name>]\tOutput filename (may be \"-\" for standard output)\n");
printf(" [-O0/-O(1/2/3)]\t\t\t\tSet optimization level (off or on). Optimizations are on by default.\n");
printf(" [-O0/-O(1/2/3)]\t\t\tSet optimization level (off or on). Optimizations are on by default.\n");
printf(" [--opt=<option>]\t\t\tSet optimization option\n");
printf(" disable-assertions\t\tRemove assertion statements from final code.\n");
printf(" disable-fma\t\t\tDisable 'fused multiply-add' instructions (on targets that support them)\n");
@@ -387,7 +388,17 @@ int main(int Argc, char *Argv[]) {
else if (!strcmp(argv[i], "--dllexport"))
g->dllExport = true;
#endif
else if (!strcmp(argv[i], "--print-target"))
else if (!strncmp(argv[i], "--dwarf-version=", 16)) {
int val = atoi(argv[i] + 16);
if (2 <= val && val <=4) {
g->generateDebuggingSymbols = true;
g->generateDWARFVersion=val;
} else {
fprintf(stderr, "Invalid value for DWARF version: \"%s\" -- "
"only 2, 3 and 4 are allowed.\n", argv[i]+16);
usage(1);
}
} else if (!strcmp(argv[i], "--print-target"))
g->printTarget = true;
else if (!strcmp(argv[i], "--no-omit-frame-pointer"))
g->NoOmitFramePointer = true;