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-rw-r--r--llvm/tools/llvm-objcopy/llvm-objcopy.cpp20
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/tools/llvm-objcopy/llvm-objcopy.cpp b/llvm/tools/llvm-objcopy/llvm-objcopy.cpp
index 54186f63c07..12d6205722f 100644
--- a/llvm/tools/llvm-objcopy/llvm-objcopy.cpp
+++ b/llvm/tools/llvm-objcopy/llvm-objcopy.cpp
@@ -81,6 +81,8 @@ static cl::list<std::string> ToRemove("remove-section",
cl::desc("Remove a specific section"));
static cl::alias ToRemoveA("R", cl::desc("Alias for remove-section"),
cl::aliasopt(ToRemove));
+static cl::opt<bool> StripAll("strip-all",
+ cl::desc("Removes symbol, relocation, and debug information"));
static cl::opt<bool> StripSections("strip-sections",
cl::desc("Remove all section headers"));
static cl::opt<bool>
@@ -170,6 +172,24 @@ void CopyBinary(const ELFObjectFile<ELF64LE> &ObjFile) {
return OnlyKeepDWOPred(*Obj, Sec) || RemovePred(Sec);
};
+ if (StripAll)
+ RemovePred = [RemovePred, &Obj](const SectionBase &Sec) {
+ if (RemovePred(Sec))
+ return true;
+ if ((Sec.Flags & SHF_ALLOC) != 0)
+ return false;
+ if (&Sec == Obj->getSectionHeaderStrTab())
+ return false;
+ switch(Sec.Type) {
+ case SHT_SYMTAB:
+ case SHT_REL:
+ case SHT_RELA:
+ case SHT_STRTAB:
+ return true;
+ }
+ return Sec.Name.startswith(".debug");
+ };
+
if (StripSections) {
RemovePred = [RemovePred](const SectionBase &Sec) {
return RemovePred(Sec) || (Sec.Flags & SHF_ALLOC) == 0;
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