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authorChris Lattner <sabre@nondot.org>2009-10-22 00:52:28 +0000
committerChris Lattner <sabre@nondot.org>2009-10-22 00:52:28 +0000
commit316e3268a8ba371b92ec57952a4c1ee1ef6ae5ce (patch)
tree30b391e7eb07ed590cbc2f272678ec0886a78896 /tools
parent42a8832ff7441e4c64eabfe7d2ec09278cca8813 (diff)
downloadexternal_llvm-316e3268a8ba371b92ec57952a4c1ee1ef6ae5ce.zip
external_llvm-316e3268a8ba371b92ec57952a4c1ee1ef6ae5ce.tar.gz
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llvm-ld doesn't throw.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84819 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools')
-rw-r--r--tools/llvm-ld/CMakeLists.txt1
-rw-r--r--tools/llvm-ld/Makefile1
-rw-r--r--tools/llvm-ld/llvm-ld.cpp339
3 files changed, 167 insertions, 174 deletions
diff --git a/tools/llvm-ld/CMakeLists.txt b/tools/llvm-ld/CMakeLists.txt
index 51f0dc1..2ae4a1d 100644
--- a/tools/llvm-ld/CMakeLists.txt
+++ b/tools/llvm-ld/CMakeLists.txt
@@ -1,5 +1,4 @@
set(LLVM_LINK_COMPONENTS ipo scalaropts linker archive bitwriter)
-set(LLVM_REQUIRES_EH 1)
add_llvm_tool(llvm-ld
Optimize.cpp
diff --git a/tools/llvm-ld/Makefile b/tools/llvm-ld/Makefile
index 92cac2a..1ef9bf1 100644
--- a/tools/llvm-ld/Makefile
+++ b/tools/llvm-ld/Makefile
@@ -11,6 +11,5 @@ LEVEL = ../..
TOOLNAME = llvm-ld
LINK_COMPONENTS = ipo scalaropts linker archive bitwriter
-REQUIRES_EH := 1
include $(LEVEL)/Makefile.common
diff --git a/tools/llvm-ld/llvm-ld.cpp b/tools/llvm-ld/llvm-ld.cpp
index ef3c250..e71aefc 100644
--- a/tools/llvm-ld/llvm-ld.cpp
+++ b/tools/llvm-ld/llvm-ld.cpp
@@ -513,205 +513,200 @@ int main(int argc, char **argv, char **envp) {
LLVMContext &Context = getGlobalContext();
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
- try {
- // Initial global variable above for convenience printing of program name.
- progname = sys::Path(argv[0]).getBasename();
-
- // Parse the command line options
- cl::ParseCommandLineOptions(argc, argv, "llvm linker\n");
-
- // Construct a Linker (now that Verbose is set)
- Linker TheLinker(progname, OutputFilename, Context, Verbose);
-
- // Keep track of the native link items (versus the bitcode items)
- Linker::ItemList NativeLinkItems;
-
- // Add library paths to the linker
- TheLinker.addPaths(LibPaths);
- TheLinker.addSystemPaths();
-
- // Remove any consecutive duplicates of the same library...
- Libraries.erase(std::unique(Libraries.begin(), Libraries.end()),
- Libraries.end());
-
- if (LinkAsLibrary) {
- std::vector<sys::Path> Files;
- for (unsigned i = 0; i < InputFilenames.size(); ++i )
- Files.push_back(sys::Path(InputFilenames[i]));
- if (TheLinker.LinkInFiles(Files))
- return 1; // Error already printed
-
- // The libraries aren't linked in but are noted as "dependent" in the
- // module.
- for (cl::list<std::string>::const_iterator I = Libraries.begin(),
- E = Libraries.end(); I != E ; ++I) {
- TheLinker.getModule()->addLibrary(*I);
- }
- } else {
- // Build a list of the items from our command line
- Linker::ItemList Items;
- BuildLinkItems(Items, InputFilenames, Libraries);
-
- // Link all the items together
- if (TheLinker.LinkInItems(Items, NativeLinkItems) )
- return 1; // Error already printed
+
+ // Initial global variable above for convenience printing of program name.
+ progname = sys::Path(argv[0]).getBasename();
+
+ // Parse the command line options
+ cl::ParseCommandLineOptions(argc, argv, "llvm linker\n");
+
+ // Construct a Linker (now that Verbose is set)
+ Linker TheLinker(progname, OutputFilename, Context, Verbose);
+
+ // Keep track of the native link items (versus the bitcode items)
+ Linker::ItemList NativeLinkItems;
+
+ // Add library paths to the linker
+ TheLinker.addPaths(LibPaths);
+ TheLinker.addSystemPaths();
+
+ // Remove any consecutive duplicates of the same library...
+ Libraries.erase(std::unique(Libraries.begin(), Libraries.end()),
+ Libraries.end());
+
+ if (LinkAsLibrary) {
+ std::vector<sys::Path> Files;
+ for (unsigned i = 0; i < InputFilenames.size(); ++i )
+ Files.push_back(sys::Path(InputFilenames[i]));
+ if (TheLinker.LinkInFiles(Files))
+ return 1; // Error already printed
+
+ // The libraries aren't linked in but are noted as "dependent" in the
+ // module.
+ for (cl::list<std::string>::const_iterator I = Libraries.begin(),
+ E = Libraries.end(); I != E ; ++I) {
+ TheLinker.getModule()->addLibrary(*I);
}
+ } else {
+ // Build a list of the items from our command line
+ Linker::ItemList Items;
+ BuildLinkItems(Items, InputFilenames, Libraries);
+
+ // Link all the items together
+ if (TheLinker.LinkInItems(Items, NativeLinkItems) )
+ return 1; // Error already printed
+ }
- std::auto_ptr<Module> Composite(TheLinker.releaseModule());
+ std::auto_ptr<Module> Composite(TheLinker.releaseModule());
- // Optimize the module
- Optimize(Composite.get());
+ // Optimize the module
+ Optimize(Composite.get());
#if defined(_WIN32) || defined(__CYGWIN__)
- if (!LinkAsLibrary) {
- // Default to "a.exe" instead of "a.out".
- if (OutputFilename.getNumOccurrences() == 0)
- OutputFilename = "a.exe";
-
- // If there is no suffix add an "exe" one.
- sys::Path ExeFile( OutputFilename );
- if (ExeFile.getSuffix() == "") {
- ExeFile.appendSuffix("exe");
- OutputFilename = ExeFile.str();
- }
+ if (!LinkAsLibrary) {
+ // Default to "a.exe" instead of "a.out".
+ if (OutputFilename.getNumOccurrences() == 0)
+ OutputFilename = "a.exe";
+
+ // If there is no suffix add an "exe" one.
+ sys::Path ExeFile( OutputFilename );
+ if (ExeFile.getSuffix() == "") {
+ ExeFile.appendSuffix("exe");
+ OutputFilename = ExeFile.str();
}
+ }
#endif
- // Generate the bitcode for the optimized module.
- // If -b wasn't specified, use the name specified
- // with -o to construct BitcodeOutputFilename.
- if (BitcodeOutputFilename.empty()) {
- BitcodeOutputFilename = OutputFilename;
- if (!LinkAsLibrary) BitcodeOutputFilename += ".bc";
- }
+ // Generate the bitcode for the optimized module.
+ // If -b wasn't specified, use the name specified
+ // with -o to construct BitcodeOutputFilename.
+ if (BitcodeOutputFilename.empty()) {
+ BitcodeOutputFilename = OutputFilename;
+ if (!LinkAsLibrary) BitcodeOutputFilename += ".bc";
+ }
- GenerateBitcode(Composite.get(), BitcodeOutputFilename);
-
- // If we are not linking a library, generate either a native executable
- // or a JIT shell script, depending upon what the user wants.
- if (!LinkAsLibrary) {
- // If the user wants to run a post-link optimization, run it now.
- if (!PostLinkOpts.empty()) {
- std::vector<std::string> opts = PostLinkOpts;
- for (std::vector<std::string>::iterator I = opts.begin(),
- E = opts.end(); I != E; ++I) {
- sys::Path prog(*I);
- if (!prog.canExecute()) {
- prog = sys::Program::FindProgramByName(*I);
- if (prog.isEmpty())
- PrintAndExit(std::string("Optimization program '") + *I +
- "' is not found or not executable.");
- }
- // Get the program arguments
- sys::Path tmp_output("opt_result");
- std::string ErrMsg;
- if (tmp_output.createTemporaryFileOnDisk(true, &ErrMsg))
- PrintAndExit(ErrMsg);
-
- const char* args[4];
- args[0] = I->c_str();
- args[1] = BitcodeOutputFilename.c_str();
- args[2] = tmp_output.c_str();
- args[3] = 0;
- if (0 == sys::Program::ExecuteAndWait(prog, args, 0,0,0,0, &ErrMsg)) {
- if (tmp_output.isBitcodeFile() || tmp_output.isBitcodeFile()) {
- sys::Path target(BitcodeOutputFilename);
- target.eraseFromDisk();
- if (tmp_output.renamePathOnDisk(target, &ErrMsg))
- PrintAndExit(ErrMsg, 2);
- } else
- PrintAndExit("Post-link optimization output is not bitcode");
- } else {
- PrintAndExit(ErrMsg);
- }
+ GenerateBitcode(Composite.get(), BitcodeOutputFilename);
+
+ // If we are not linking a library, generate either a native executable
+ // or a JIT shell script, depending upon what the user wants.
+ if (!LinkAsLibrary) {
+ // If the user wants to run a post-link optimization, run it now.
+ if (!PostLinkOpts.empty()) {
+ std::vector<std::string> opts = PostLinkOpts;
+ for (std::vector<std::string>::iterator I = opts.begin(),
+ E = opts.end(); I != E; ++I) {
+ sys::Path prog(*I);
+ if (!prog.canExecute()) {
+ prog = sys::Program::FindProgramByName(*I);
+ if (prog.isEmpty())
+ PrintAndExit(std::string("Optimization program '") + *I +
+ "' is not found or not executable.");
}
- }
-
- // If the user wants to generate a native executable, compile it from the
- // bitcode file.
- //
- // Otherwise, create a script that will run the bitcode through the JIT.
- if (Native) {
- // Name of the Assembly Language output file
- sys::Path AssemblyFile ( OutputFilename);
- AssemblyFile.appendSuffix("s");
-
- // Mark the output files for removal if we get an interrupt.
- sys::RemoveFileOnSignal(AssemblyFile);
- sys::RemoveFileOnSignal(sys::Path(OutputFilename));
-
- // Determine the locations of the llc and gcc programs.
- sys::Path llc = FindExecutable("llc", argv[0],
- (void *)(intptr_t)&Optimize);
- if (llc.isEmpty())
- PrintAndExit("Failed to find llc");
-
- sys::Path gcc = sys::Program::FindProgramByName("gcc");
- if (gcc.isEmpty())
- PrintAndExit("Failed to find gcc");
-
- // Generate an assembly language file for the bitcode.
+ // Get the program arguments
+ sys::Path tmp_output("opt_result");
std::string ErrMsg;
- if (0 != GenerateAssembly(AssemblyFile.str(), BitcodeOutputFilename,
- llc, ErrMsg))
+ if (tmp_output.createTemporaryFileOnDisk(true, &ErrMsg))
PrintAndExit(ErrMsg);
- if (0 != GenerateNative(OutputFilename, AssemblyFile.str(),
- NativeLinkItems, gcc, envp, ErrMsg))
+ const char* args[4];
+ args[0] = I->c_str();
+ args[1] = BitcodeOutputFilename.c_str();
+ args[2] = tmp_output.c_str();
+ args[3] = 0;
+ if (0 == sys::Program::ExecuteAndWait(prog, args, 0,0,0,0, &ErrMsg)) {
+ if (tmp_output.isBitcodeFile() || tmp_output.isBitcodeFile()) {
+ sys::Path target(BitcodeOutputFilename);
+ target.eraseFromDisk();
+ if (tmp_output.renamePathOnDisk(target, &ErrMsg))
+ PrintAndExit(ErrMsg, 2);
+ } else
+ PrintAndExit("Post-link optimization output is not bitcode");
+ } else {
PrintAndExit(ErrMsg);
+ }
+ }
+ }
- // Remove the assembly language file.
- AssemblyFile.eraseFromDisk();
- } else if (NativeCBE) {
- sys::Path CFile (OutputFilename);
- CFile.appendSuffix("cbe.c");
-
- // Mark the output files for removal if we get an interrupt.
- sys::RemoveFileOnSignal(CFile);
- sys::RemoveFileOnSignal(sys::Path(OutputFilename));
-
- // Determine the locations of the llc and gcc programs.
- sys::Path llc = FindExecutable("llc", argv[0],
- (void *)(intptr_t)&Optimize);
- if (llc.isEmpty())
- PrintAndExit("Failed to find llc");
+ // If the user wants to generate a native executable, compile it from the
+ // bitcode file.
+ //
+ // Otherwise, create a script that will run the bitcode through the JIT.
+ if (Native) {
+ // Name of the Assembly Language output file
+ sys::Path AssemblyFile ( OutputFilename);
+ AssemblyFile.appendSuffix("s");
+
+ // Mark the output files for removal if we get an interrupt.
+ sys::RemoveFileOnSignal(AssemblyFile);
+ sys::RemoveFileOnSignal(sys::Path(OutputFilename));
+
+ // Determine the locations of the llc and gcc programs.
+ sys::Path llc = FindExecutable("llc", argv[0],
+ (void *)(intptr_t)&Optimize);
+ if (llc.isEmpty())
+ PrintAndExit("Failed to find llc");
+
+ sys::Path gcc = sys::Program::FindProgramByName("gcc");
+ if (gcc.isEmpty())
+ PrintAndExit("Failed to find gcc");
+
+ // Generate an assembly language file for the bitcode.
+ std::string ErrMsg;
+ if (0 != GenerateAssembly(AssemblyFile.str(), BitcodeOutputFilename,
+ llc, ErrMsg))
+ PrintAndExit(ErrMsg);
- sys::Path gcc = sys::Program::FindProgramByName("gcc");
- if (gcc.isEmpty())
- PrintAndExit("Failed to find gcc");
+ if (0 != GenerateNative(OutputFilename, AssemblyFile.str(),
+ NativeLinkItems, gcc, envp, ErrMsg))
+ PrintAndExit(ErrMsg);
- // Generate an assembly language file for the bitcode.
- std::string ErrMsg;
- if (GenerateCFile(CFile.str(), BitcodeOutputFilename, llc, ErrMsg))
- PrintAndExit(ErrMsg);
+ // Remove the assembly language file.
+ AssemblyFile.eraseFromDisk();
+ } else if (NativeCBE) {
+ sys::Path CFile (OutputFilename);
+ CFile.appendSuffix("cbe.c");
- if (GenerateNative(OutputFilename, CFile.str(),
- NativeLinkItems, gcc, envp, ErrMsg))
- PrintAndExit(ErrMsg);
+ // Mark the output files for removal if we get an interrupt.
+ sys::RemoveFileOnSignal(CFile);
+ sys::RemoveFileOnSignal(sys::Path(OutputFilename));
- // Remove the assembly language file.
- CFile.eraseFromDisk();
+ // Determine the locations of the llc and gcc programs.
+ sys::Path llc = FindExecutable("llc", argv[0],
+ (void *)(intptr_t)&Optimize);
+ if (llc.isEmpty())
+ PrintAndExit("Failed to find llc");
- } else {
- EmitShellScript(argv);
- }
+ sys::Path gcc = sys::Program::FindProgramByName("gcc");
+ if (gcc.isEmpty())
+ PrintAndExit("Failed to find gcc");
- // Make the script executable...
+ // Generate an assembly language file for the bitcode.
std::string ErrMsg;
- if (sys::Path(OutputFilename).makeExecutableOnDisk(&ErrMsg))
+ if (GenerateCFile(CFile.str(), BitcodeOutputFilename, llc, ErrMsg))
PrintAndExit(ErrMsg);
- // Make the bitcode file readable and directly executable in LLEE as well
- if (sys::Path(BitcodeOutputFilename).makeExecutableOnDisk(&ErrMsg))
+ if (GenerateNative(OutputFilename, CFile.str(),
+ NativeLinkItems, gcc, envp, ErrMsg))
PrintAndExit(ErrMsg);
- if (sys::Path(BitcodeOutputFilename).makeReadableOnDisk(&ErrMsg))
- PrintAndExit(ErrMsg);
+ // Remove the assembly language file.
+ CFile.eraseFromDisk();
+
+ } else {
+ EmitShellScript(argv);
}
- } catch (const std::string& msg) {
- PrintAndExit(msg,2);
- } catch (...) {
- PrintAndExit("Unexpected unknown exception occurred.", 2);
+
+ // Make the script executable...
+ std::string ErrMsg;
+ if (sys::Path(OutputFilename).makeExecutableOnDisk(&ErrMsg))
+ PrintAndExit(ErrMsg);
+
+ // Make the bitcode file readable and directly executable in LLEE as well
+ if (sys::Path(BitcodeOutputFilename).makeExecutableOnDisk(&ErrMsg))
+ PrintAndExit(ErrMsg);
+
+ if (sys::Path(BitcodeOutputFilename).makeReadableOnDisk(&ErrMsg))
+ PrintAndExit(ErrMsg);
}
// Graceful exit