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Add a emit-llvm option to the plugin and make the path argument to also-emit-llvm optional.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105414 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2010-06-03 21:11:20 +00:00
parent 51e28e6348
commit c4b55610d8
1 changed files with 23 additions and 2 deletions
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25
tools/gold/gold-plugin.cpp
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@ -53,12 +53,15 @@ namespace {
};
lto_codegen_model output_type = LTO_CODEGEN_PIC_MODEL_STATIC;
std::string output_name = "";
std::list<claimed_file> Modules;
std::vector<sys::Path> Cleanup;
}
namespace options {
enum generate_bc { BC_NO, BC_ALSO, BC_ONLY };
static bool generate_api_file = false;
static generate_bc generate_bc_file = BC_NO;
static std::string bc_path;
static const char *as_path = NULL;
// Additional options to pass into the code generator.
@ -82,8 +85,13 @@ namespace options {
} else {
as_path = strdup(opt + 3);
}
} else if (strcmp("emit-llvm", opt) == 0) {
generate_bc_file = BC_ONLY;
} else if (strcmp("also-emit-llvm", opt) == 0) {
generate_bc_file = BC_ALSO;
} else if (llvm::StringRef(opt).startswith("also-emit-llvm=")) {
const char *path = opt + strlen("also-emit-llvm=");
generate_bc_file = BC_ALSO;
if (!bc_path.empty()) {
(*message)(LDPL_WARNING, "Path to the output IL file specified twice. "
"Discarding %s", opt);
@ -122,6 +130,9 @@ ld_plugin_status onload(ld_plugin_tv *tv) {
case LDPT_GOLD_VERSION: // major * 100 + minor
gold_version = tv->tv_u.tv_val;
break;
case LDPT_OUTPUT_NAME:
output_name = tv->tv_u.tv_string;
break;
case LDPT_LINKER_OUTPUT:
switch (tv->tv_u.tv_val) {
case LDPO_REL: // .o
@ -381,10 +392,20 @@ static ld_plugin_status all_symbols_read_hook(void) {
}
}
if (!options::bc_path.empty()) {
bool err = lto_codegen_write_merged_modules(cg, options::bc_path.c_str());
if (options::generate_bc_file != options::BC_NO) {
std::string path;
if (options::generate_bc_file == options::BC_ONLY)
path = output_name;
else if (!options::bc_path.empty())
path = options::bc_path;
else
path = output_name + ".bc";
bool err = lto_codegen_write_merged_modules(cg, path.c_str());
if (err)
(*message)(LDPL_FATAL, "Failed to write the output file.");
if (options::generate_bc_file == options::BC_ONLY)
exit(0);
}
size_t bufsize = 0;
const char *buffer = static_cast<const char *>(lto_codegen_compile(cg,