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-rw-r--r--llvm/tools/llvm-objcopy/CMakeLists.txt15
-rw-r--r--llvm/tools/llvm-objcopy/ObjcopyOpts.td (renamed from llvm/tools/llvm-objcopy/Opts.td)0
-rw-r--r--llvm/tools/llvm-objcopy/StripOpts.td12
-rw-r--r--llvm/tools/llvm-objcopy/llvm-objcopy.cpp98
4 files changed, 105 insertions, 20 deletions
diff --git a/llvm/tools/llvm-objcopy/CMakeLists.txt b/llvm/tools/llvm-objcopy/CMakeLists.txt
index c2d2d798b38..b0cd66be5b3 100644
--- a/llvm/tools/llvm-objcopy/CMakeLists.txt
+++ b/llvm/tools/llvm-objcopy/CMakeLists.txt
@@ -5,18 +5,25 @@ set(LLVM_LINK_COMPONENTS
MC
)
-set(LLVM_TARGET_DEFINITIONS Opts.td)
+set(LLVM_TARGET_DEFINITIONS ObjcopyOpts.td)
+tablegen(LLVM ObjcopyOpts.inc -gen-opt-parser-defs)
+add_public_tablegen_target(ObjcopyOptsTableGen)
-tablegen(LLVM Opts.inc -gen-opt-parser-defs)
-add_public_tablegen_target(ObjcopyTableGen)
+set(LLVM_TARGET_DEFINITIONS StripOpts.td)
+tablegen(LLVM StripOpts.inc -gen-opt-parser-defs)
+add_public_tablegen_target(StripOptsTableGen)
add_llvm_tool(llvm-objcopy
llvm-objcopy.cpp
Object.cpp
DEPENDS
- ObjcopyTableGen
+ ObjcopyOptsTableGen
+ StripOptsTableGen
)
+add_llvm_tool_symlink(llvm-strip llvm-objcopy)
+
if(LLVM_INSTALL_BINUTILS_SYMLINKS)
add_llvm_tool_symlink(objcopy llvm-objcopy)
+ add_llvm_tool_symlink(strip llvm-objcopy)
endif()
diff --git a/llvm/tools/llvm-objcopy/Opts.td b/llvm/tools/llvm-objcopy/ObjcopyOpts.td
index 487a3125f00..487a3125f00 100644
--- a/llvm/tools/llvm-objcopy/Opts.td
+++ b/llvm/tools/llvm-objcopy/ObjcopyOpts.td
diff --git a/llvm/tools/llvm-objcopy/StripOpts.td b/llvm/tools/llvm-objcopy/StripOpts.td
new file mode 100644
index 00000000000..3266c89bda0
--- /dev/null
+++ b/llvm/tools/llvm-objcopy/StripOpts.td
@@ -0,0 +1,12 @@
+include "llvm/Option/OptParser.td"
+
+multiclass Eq<string name> {
+ def NAME: Separate<["--", "-"], name>;
+ def NAME # _eq: Joined<["--", "-"], name # "=">, Alias<!cast<Separate>(NAME)>;
+}
+
+def help : Flag<["-", "--"], "help">;
+
+def strip_debug : Flag<["-", "--"], "strip-debug">,
+ HelpText<"Remove debugging symbols only">;
+
diff --git a/llvm/tools/llvm-objcopy/llvm-objcopy.cpp b/llvm/tools/llvm-objcopy/llvm-objcopy.cpp
index 900a11d04a1..295c9bf9285 100644
--- a/llvm/tools/llvm-objcopy/llvm-objcopy.cpp
+++ b/llvm/tools/llvm-objcopy/llvm-objcopy.cpp
@@ -28,6 +28,7 @@
#include "llvm/Support/ErrorOr.h"
#include "llvm/Support/FileOutputBuffer.h"
#include "llvm/Support/InitLLVM.h"
+#include "llvm/Support/Path.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
@@ -45,17 +46,17 @@ using namespace ELF;
namespace {
-enum ID {
+enum ObjcopyID {
OBJCOPY_INVALID = 0, // This is not an option ID.
#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
HELPTEXT, METAVAR, VALUES) \
OBJCOPY_##ID,
-#include "Opts.inc"
+#include "ObjcopyOpts.inc"
#undef OPTION
};
#define PREFIX(NAME, VALUE) const char *const NAME[] = VALUE;
-#include "Opts.inc"
+#include "ObjcopyOpts.inc"
#undef PREFIX
static const opt::OptTable::Info ObjcopyInfoTable[] = {
@@ -65,7 +66,7 @@ static const opt::OptTable::Info ObjcopyInfoTable[] = {
METAVAR, OBJCOPY_##ID, opt::Option::KIND##Class, \
PARAM, FLAGS, OBJCOPY_##GROUP, \
OBJCOPY_##ALIAS, ALIASARGS, VALUES},
-#include "Opts.inc"
+#include "ObjcopyOpts.inc"
#undef OPTION
};
@@ -74,6 +75,31 @@ public:
ObjcopyOptTable() : OptTable(ObjcopyInfoTable, true) {}
};
+enum StripID {
+ STRIP_INVALID = 0, // This is not an option ID.
+#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
+ HELPTEXT, METAVAR, VALUES) \
+ STRIP_##ID,
+#include "StripOpts.inc"
+#undef OPTION
+};
+
+static const opt::OptTable::Info StripInfoTable[] = {
+#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
+ HELPTEXT, METAVAR, VALUES) \
+ {PREFIX, NAME, HELPTEXT, \
+ METAVAR, STRIP_##ID, opt::Option::KIND##Class, \
+ PARAM, FLAGS, STRIP_##GROUP, \
+ STRIP_##ALIAS, ALIASARGS, VALUES},
+#include "StripOpts.inc"
+#undef OPTION
+};
+
+class StripOptTable : public opt::OptTable {
+public:
+ StripOptTable() : OptTable(StripInfoTable, true) {}
+};
+
} // namespace
// The name this program was invoked as.
@@ -122,16 +148,16 @@ struct CopyConfig {
std::vector<StringRef> SymbolsToGlobalize;
std::vector<StringRef> SymbolsToWeaken;
StringMap<StringRef> SymbolsToRename;
- bool StripAll;
- bool StripAllGNU;
- bool StripDebug;
- bool StripSections;
- bool StripNonAlloc;
- bool StripDWO;
- bool ExtractDWO;
- bool LocalizeHidden;
- bool Weaken;
- bool DiscardAll;
+ bool StripAll = false;
+ bool StripAllGNU = false;
+ bool StripDebug = false;
+ bool StripSections = false;
+ bool StripNonAlloc = false;
+ bool StripDWO = false;
+ bool ExtractDWO = false;
+ bool LocalizeHidden = false;
+ bool Weaken = false;
+ bool DiscardAll = false;
};
using SectionPred = std::function<bool(const SectionBase &Sec)>;
@@ -449,10 +475,50 @@ CopyConfig ParseObjcopyOptions(ArrayRef<const char *> ArgsArr) {
return Config;
}
+// ParseStripOptions returns the config and sets the input arguments. If a
+// help flag is set then ParseStripOptions will print the help messege and
+// exit.
+CopyConfig ParseStripOptions(ArrayRef<const char *> ArgsArr) {
+ StripOptTable T;
+ unsigned MissingArgumentIndex, MissingArgumentCount;
+ llvm::opt::InputArgList InputArgs =
+ T.ParseArgs(ArgsArr, MissingArgumentIndex, MissingArgumentCount);
+
+ if (InputArgs.size() == 0 || InputArgs.hasArg(STRIP_help)) {
+ T.PrintHelp(outs(), "llvm-strip <input> [ <output> ]", "strip tool");
+ exit(0);
+ }
+
+ SmallVector<const char *, 2> Positional;
+ for (auto Arg : InputArgs.filtered(STRIP_UNKNOWN))
+ error("unknown argument '" + Arg->getAsString(InputArgs) + "'");
+ for (auto Arg : InputArgs.filtered(STRIP_INPUT))
+ Positional.push_back(Arg->getValue());
+
+ if (Positional.empty())
+ error("No input file specified");
+
+ if (Positional.size() > 2)
+ error("Support for multiple input files is not implemented yet");
+
+ CopyConfig Config;
+ Config.InputFilename = Positional[0];
+ Config.OutputFilename = Positional[0];
+
+ // Strip debug info only.
+ Config.StripDebug = InputArgs.hasArg(STRIP_strip_debug);
+ if (!Config.StripDebug)
+ Config.StripAll = true;
+ return Config;
+}
+
int main(int argc, char **argv) {
InitLLVM X(argc, argv);
ToolName = argv[0];
-
- CopyConfig Config = ParseObjcopyOptions(makeArrayRef(argv + 1, argc));
+ CopyConfig Config;
+ if (sys::path::stem(ToolName).endswith_lower("strip"))
+ Config = ParseStripOptions(makeArrayRef(argv + 1, argc));
+ else
+ Config = ParseObjcopyOptions(makeArrayRef(argv + 1, argc));
ExecuteElfObjcopy(Config);
}
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