#include "llvm-c/lto.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/Errno.h"
-#include "llvm/System/Path.h"
-#include "llvm/System/Program.h"
+#include "llvm/Support/ToolOutputFile.h"
+#include "llvm/Support/Errno.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/Program.h"
#include <cerrno>
#include <cstdlib>
ld_plugin_add_symbols add_symbols = NULL;
ld_plugin_get_symbols get_symbols = NULL;
ld_plugin_add_input_file add_input_file = NULL;
+ ld_plugin_add_input_library add_input_library = NULL;
+ ld_plugin_set_extra_library_path set_extra_library_path = NULL;
ld_plugin_message message = discard_message;
int api_version = 0;
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;
+ static std::string as_path;
+ static std::vector<std::string> as_args;
+ static std::vector<std::string> pass_through;
+ static std::string extra_library_path;
+ static std::string triple;
+ static std::string mcpu;
// Additional options to pass into the code generator.
// Note: This array will contain all plugin options which are not claimed
// as plugin exclusive to pass to the code generator.
// use only and will not be passed.
static std::vector<std::string> extra;
- static void process_plugin_option(const char* opt)
+ static void process_plugin_option(const char* opt_)
{
- if (opt == NULL)
+ if (opt_ == NULL)
return;
+ llvm::StringRef opt = opt_;
- if (strcmp("generate-api-file", opt) == 0) {
+ if (opt == "generate-api-file") {
generate_api_file = true;
- } else if (strncmp("as=", opt, 3) == 0) {
- if (as_path) {
+ } else if (opt.startswith("mcpu=")) {
+ mcpu = opt.substr(strlen("mcpu="));
+ } else if (opt.startswith("as=")) {
+ if (!as_path.empty()) {
(*message)(LDPL_WARNING, "Path to as specified twice. "
- "Discarding %s", opt);
+ "Discarding %s", opt_);
} else {
- as_path = strdup(opt + 3);
+ as_path = opt.substr(strlen("as="));
}
- } else if (strcmp("emit-llvm", opt) == 0) {
+ } else if (opt.startswith("as-arg=")) {
+ llvm::StringRef item = opt.substr(strlen("as-arg="));
+ as_args.push_back(item.str());
+ } else if (opt.startswith("extra-library-path=")) {
+ extra_library_path = opt.substr(strlen("extra_library_path="));
+ } else if (opt.startswith("pass-through=")) {
+ llvm::StringRef item = opt.substr(strlen("pass-through="));
+ pass_through.push_back(item.str());
+ } else if (opt.startswith("mtriple=")) {
+ triple = opt.substr(strlen("mtriple="));
+ } else if (opt == "emit-llvm") {
generate_bc_file = BC_ONLY;
- } else if (strcmp("also-emit-llvm", opt) == 0) {
+ } else if (opt == "also-emit-llvm") {
generate_bc_file = BC_ALSO;
- } else if (llvm::StringRef(opt).startswith("also-emit-llvm=")) {
- const char *path = opt + strlen("also-emit-llvm=");
+ } else if (opt.startswith("also-emit-llvm=")) {
+ llvm::StringRef path = opt.substr(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);
+ "Discarding %s", opt_);
} else {
bc_path = path;
}
} else {
// Save this option to pass to the code generator.
- extra.push_back(std::string(opt));
+ extra.push_back(opt);
}
}
}
// for services.
bool registeredClaimFile = false;
- bool registeredAllSymbolsRead = false;
- bool registeredCleanup = false;
for (; tv->tv_tag != LDPT_NULL; ++tv) {
switch (tv->tv_tag) {
if ((*callback)(all_symbols_read_hook) != LDPS_OK)
return LDPS_ERR;
-
- registeredAllSymbolsRead = true;
} break;
case LDPT_REGISTER_CLEANUP_HOOK: {
ld_plugin_register_cleanup callback;
if ((*callback)(cleanup_hook) != LDPS_OK)
return LDPS_ERR;
-
- registeredCleanup = true;
} break;
case LDPT_ADD_SYMBOLS:
add_symbols = tv->tv_u.tv_add_symbols;
case LDPT_ADD_INPUT_FILE:
add_input_file = tv->tv_u.tv_add_input_file;
break;
+ case LDPT_ADD_INPUT_LIBRARY:
+ add_input_library = tv->tv_u.tv_add_input_file;
+ break;
+ case LDPT_SET_EXTRA_LIBRARY_PATH:
+ set_extra_library_path = tv->tv_u.tv_set_extra_library_path;
+ break;
case LDPT_MESSAGE:
message = tv->tv_u.tv_message;
break;
lto_get_error_message());
return LDPS_ERR;
}
+
+ if (!options::triple.empty())
+ lto_module_set_target_triple(cf.M, options::triple.c_str());
+
cf.handle = file->handle;
unsigned sym_count = lto_module_get_num_symbols(cf.M);
cf.syms.reserve(sym_count);
api_file << I->syms[i].name << "\n";
}
}
+ }
- if (options::generate_api_file)
- api_file.close();
+ if (options::generate_api_file)
+ api_file.close();
- if (!anySymbolsPreserved) {
- // This entire file is unnecessary!
- lto_codegen_dispose(cg);
- return LDPS_OK;
- }
+ if (!anySymbolsPreserved) {
+ // All of the IL is unnecessary!
+ lto_codegen_dispose(cg);
+ return LDPS_OK;
}
lto_codegen_set_pic_model(cg, output_type);
lto_codegen_set_debug_model(cg, LTO_DEBUG_MODEL_DWARF);
- if (options::as_path) {
+ if (!options::as_path.empty()) {
sys::Path p = sys::Program::FindProgramByName(options::as_path);
lto_codegen_set_assembler_path(cg, p.c_str());
}
+ if (!options::as_args.empty()) {
+ std::vector<const char *> as_args_p;
+ for (std::vector<std::string>::iterator I = options::as_args.begin(),
+ E = options::as_args.end(); I != E; ++I) {
+ as_args_p.push_back(I->c_str());
+ }
+ lto_codegen_set_assembler_args(cg, &as_args_p[0], as_args_p.size());
+ }
+ if (!options::mcpu.empty())
+ lto_codegen_set_cpu(cg, options::mcpu.c_str());
+
// Pass through extra options to the code generator.
if (!options::extra.empty()) {
for (std::vector<std::string>::iterator it = options::extra.begin();
(*message)(LDPL_ERROR, "%s", ErrMsg.c_str());
return LDPS_ERR;
}
- raw_fd_ostream *objFile =
- new raw_fd_ostream(uniqueObjPath.c_str(), ErrMsg,
- raw_fd_ostream::F_Binary);
+ tool_output_file objFile(uniqueObjPath.c_str(), ErrMsg,
+ raw_fd_ostream::F_Binary);
if (!ErrMsg.empty()) {
- delete objFile;
(*message)(LDPL_ERROR, "%s", ErrMsg.c_str());
return LDPS_ERR;
}
- objFile->write(buffer, bufsize);
- objFile->close();
+ objFile.os().write(buffer, bufsize);
+ objFile.os().close();
+ if (objFile.os().has_error()) {
+ (*message)(LDPL_ERROR, "Error writing output file '%s'",
+ uniqueObjPath.c_str());
+ objFile.os().clear_error();
+ return LDPS_ERR;
+ }
+ objFile.keep();
lto_codegen_dispose(cg);
- if ((*add_input_file)(const_cast<char*>(uniqueObjPath.c_str())) != LDPS_OK) {
+ if ((*add_input_file)(uniqueObjPath.c_str()) != LDPS_OK) {
(*message)(LDPL_ERROR, "Unable to add .o file to the link.");
(*message)(LDPL_ERROR, "File left behind in: %s", uniqueObjPath.c_str());
return LDPS_ERR;
}
+ if (!options::extra_library_path.empty() &&
+ set_extra_library_path(options::extra_library_path.c_str()) != LDPS_OK) {
+ (*message)(LDPL_ERROR, "Unable to set the extra library path.");
+ return LDPS_ERR;
+ }
+
+ for (std::vector<std::string>::iterator i = options::pass_through.begin(),
+ e = options::pass_through.end();
+ i != e; ++i) {
+ std::string &item = *i;
+ const char *item_p = item.c_str();
+ if (llvm::StringRef(item).startswith("-l")) {
+ if (add_input_library(item_p + 2) != LDPS_OK) {
+ (*message)(LDPL_ERROR, "Unable to add library to the link.");
+ return LDPS_ERR;
+ }
+ } else {
+ if (add_input_file(item_p) != LDPS_OK) {
+ (*message)(LDPL_ERROR, "Unable to add .o file to the link.");
+ return LDPS_ERR;
+ }
+ }
+ }
+
Cleanup.push_back(uniqueObjPath);
return LDPS_OK;
projects / oota-llvm.git / blobdiff