--- /dev/null
+# RUN: yaml2obj %s > %t
+# RUN: llvm-objcopy --strip-all-gnu %t %t2
+# RUN: llvm-readobj -file-headers -sections %t2 | FileCheck %s
+
+!ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_REL
+ Machine: EM_X86_64
+Sections:
+ - Name: .dynstr
+ Type: SHT_STRTAB
+ Flags: [ SHF_ALLOC ]
+ - Name: .symtab.dyn
+ Type: SHT_SYMTAB
+ Flags: [ SHF_ALLOC ]
+ Type: SHT_NOBITS
+ - Name: .text
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
+ Size: 4
+ - Name: .debug_info
+ Type: SHT_PROGBITS
+ Flags: [ ]
+ AddressAlign: 0x1
+ Size: 4
+ - Name: .debug_loc
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC ]
+ AddressAlign: 0x1
+ Size: 4
+ - Name: .comment
+ Type: SHT_PROGBITS
+ - Name: .random_section_name
+ Type: SHT_PROGBITS
+ - Name: .debug_not_a_real_debug_section
+ Type: SHT_PROGBITS
+ - Name: .rel.text
+ Type: SHT_REL
+ Info: .text
+ - Name: .rela.text
+ Type: SHT_RELA
+ Info: .text
+
+# CHECK: SectionHeaderCount: 8
+
+# CHECK: Name: .dynstr
+# CHECK: Name: .symtab.dyn
+# CHECK: Name: .text
+# CHECK: Name: .debug_loc
+# CHECK: Name: .comment
+# CHECK: Name: .random_section_name
+# CHECK: Name: .shstrtab
Type: ET_REL
Machine: EM_X86_64
Sections:
- - Name: .dynstr
- Type: SHT_STRTAB
- Flags: [ SHF_ALLOC ]
- - Name: .symtab.dyn
- Type: SHT_SYMTAB
- Flags: [ SHF_ALLOC ]
+ - Name: .bss
Type: SHT_NOBITS
+ Flags: [ SHF_ALLOC ]
- Name: .text
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
- Size: 4
- - Name: .debug_info
+ - Name: .blarg
Type: SHT_PROGBITS
Flags: [ ]
- AddressAlign: 0x1
- Size: 4
- - Name: .debug_loc
- Type: SHT_PROGBITS
- Flags: [ SHF_ALLOC ]
- AddressAlign: 0x1
- Size: 4
- - Name: .comment
- Type: SHT_PROGBITS
- - Name: .random_section_name
- Type: SHT_PROGBITS
- - Name: .debug_not_a_real_debug_section
+ - Name: .gnu.warning.foo
Type: SHT_PROGBITS
- - Name: .rel.text
- Type: SHT_REL
- Info: .text
- - Name: .rela.text
- Type: SHT_RELA
- Info: .text
-# CHECK: SectionHeaderCount: 8
+# CHECK: SectionHeaderCount: 5
-# CHECK: Name: .dynstr
-# CHECK: Name: .symtab.dyn
-# CHECK: Name: .text
-# CHECK: Name: .debug_loc
-# CHECK: Name: .comment
-# CHECK: Name: .random_section_name
-# CHECK: Name: .shstrtab
+# CHECK: Name: .bss
+# CHECK: Name: .text
+# CHECK: Name: .gnu.warning.foo
+# CHECK: Name: .shstrtab
cl::value_desc("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> StripAll(
+ "strip-all",
+ cl::desc(
+ "Removes non-allocated sections other than .gnu.warning* sections"));
+static cl::opt<bool>
+ StripAllGNU("strip-all-gnu",
+ cl::desc("Removes symbol, relocation, and debug information"));
static cl::opt<bool> StripDebug("strip-debug",
cl::desc("Removes all debug information"));
static cl::opt<bool> StripSections("strip-sections",
return OnlyKeepDWOPred(*Obj, Sec) || RemovePred(Sec);
};
- if (StripAll)
+ if (StripAllGNU)
RemovePred = [RemovePred, &Obj](const SectionBase &Sec) {
if (RemovePred(Sec))
return true;
return (Sec.Flags & SHF_ALLOC) == 0;
};
+ if (StripAll)
+ RemovePred = [RemovePred, &Obj](const SectionBase &Sec) {
+ if (RemovePred(Sec))
+ return true;
+ if (&Sec == Obj->getSectionHeaderStrTab())
+ return false;
+ if (Sec.Name.startswith(".gnu.warning"))
+ return false;
+ return (Sec.Flags & SHF_ALLOC) == 0;
+ };
+
Obj->removeSections(RemovePred);
Obj->finalize();
WriteObjectFile(*Obj, OutputFilename.getValue());