--- /dev/null
+# RUN: yaml2obj %s > %t
+# RUN: llvm-objcopy --prefix-symbols prefix %t %t2
+# RUN: llvm-readobj -symbols %t2 | FileCheck %s --check-prefix=COMMON --check-prefix=BASIC
+# RUN: llvm-objcopy --redefine-sym bar=baz --prefix-symbols prefix %t %t3
+# RUN: llvm-readobj -symbols %t3 | FileCheck %s --check-prefix=COMMON --check-prefix=REDEF
+
+!ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_REL
+ Machine: EM_X86_64
+Sections:
+ - Name: .text
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
+ Address: 0x1000
+ AddressAlign: 0x0000000000000010
+ Size: 64
+Symbols:
+ Local:
+ - Name: foo
+ Type: STT_SECTION
+ Section: .text
+ - Name: bar
+ Type: STT_FILE
+ Section: .text
+ Global:
+ - Name: foobar
+ Type: STT_FUNC
+ Section: .text
+
+# COMMON: Symbols [
+# COMMON-NEXT: Symbol {
+# COMMON-NEXT: Name:
+# COMMON-NEXT: Value: 0x0
+# COMMON-NEXT: Size: 0
+# COMMON-NEXT: Binding: Local
+# COMMON-NEXT: Type: None
+# COMMON-NEXT: Other: 0
+# COMMON-NEXT: Section: Undefined
+# COMMON-NEXT: }
+# COMMON-NEXT: Symbol {
+# COMMON-NEXT: Name: foo
+# COMMON-NEXT: Value: 0x0
+# COMMON-NEXT: Size: 0
+# COMMON-NEXT: Binding: Local
+# COMMON-NEXT: Type: Section
+# COMMON-NEXT: Other: 0
+# COMMON-NEXT: Section: .text
+# COMMON-NEXT: }
+# COMMON-NEXT: Symbol {
+# BASIC-NEXT: Name: prefixbar
+# REDEF-NEXT: Name: prefixbaz
+# COMMON-NEXT: Value: 0x0
+# COMMON-NEXT: Size: 0
+# COMMON-NEXT: Binding: Local
+# COMMON-NEXT: Type: File
+# COMMON-NEXT: Other: 0
+# COMMON-NEXT: Section: .text
+# COMMON-NEXT: }
+# COMMON-NEXT: Symbol {
+# COMMON-NEXT: Name: prefixfoobar
+# COMMON-NEXT: Value: 0x0
+# COMMON-NEXT: Size: 0
+# COMMON-NEXT: Binding: Global
+# COMMON-NEXT: Type: Function
+# COMMON-NEXT: Other: 0
+# COMMON-NEXT: Section: .text
+# COMMON-NEXT: }
+# COMMON-NEXT:]
defm dump_section : Eq<"dump-section">,
MetaVarName<"section=file">,
HelpText<"Dump contents of section named <section> into file <file>">;
+defm prefix_symbols : Eq<"prefix-symbols">,
+ MetaVarName<"prefix">,
+ HelpText<"Add <prefix> to the start of every symbol name">;
StringRef SplitDWO;
StringRef AddGnuDebugLink;
+ StringRef SymbolsPrefix;
std::vector<StringRef> ToRemove;
std::vector<StringRef> Keep;
std::vector<StringRef> OnlyKeep;
const auto I = Config.SymbolsToRename.find(Sym.Name);
if (I != Config.SymbolsToRename.end())
Sym.Name = I->getValue();
+
+ if (!Config.SymbolsPrefix.empty() && Sym.Type != STT_SECTION)
+ Sym.Name = (Config.SymbolsPrefix + Sym.Name).str();
});
// The purpose of this loop is to mark symbols referenced by sections
Config.SplitDWO = InputArgs.getLastArgValue(OBJCOPY_split_dwo);
Config.AddGnuDebugLink = InputArgs.getLastArgValue(OBJCOPY_add_gnu_debuglink);
+ Config.SymbolsPrefix = InputArgs.getLastArgValue(OBJCOPY_prefix_symbols);
for (auto Arg : InputArgs.filtered(OBJCOPY_redefine_symbol)) {
if (!StringRef(Arg->getValue()).contains('='))