# RUN: yaml2obj %s > %t
# Single flags on a section with no flags:
-# RUN: llvm-objcopy --rename-section=.foo=.bar,alloc %t %t.alloc
-# RUN: llvm-readobj --sections %t.alloc | FileCheck %s --check-prefixes=CHECK,ALLOC,WRITE
-# RUN: llvm-objcopy --rename-section=.foo=.bar,load %t %t.load
-# RUN: llvm-readobj --sections %t.load | FileCheck %s --check-prefixes=CHECK,WRITE
-# RUN: llvm-objcopy --rename-section=.foo=.bar,noload %t %t.noload
-# RUN: llvm-readobj --sections %t.noload | FileCheck %s --check-prefixes=CHECK,WRITE
-# RUN: llvm-objcopy --rename-section=.foo=.bar,readonly %t %t.readonly
-# RUN: llvm-readobj --sections %t.readonly | FileCheck %s --check-prefixes=CHECK
-# RUN: llvm-objcopy --rename-section=.foo=.bar,debug %t %t.debug
-# RUN: llvm-readobj --sections %t.debug | FileCheck %s --check-prefixes=CHECK,WRITE
-# RUN: llvm-objcopy --rename-section=.foo=.bar,code %t %t.code
-# RUN: llvm-readobj --sections %t.code | FileCheck %s --check-prefixes=CHECK,EXEC,WRITE
-# RUN: llvm-objcopy --rename-section=.foo=.bar,data %t %t.data
-# RUN: llvm-readobj --sections %t.data | FileCheck %s --check-prefixes=CHECK,WRITE
-# RUN: llvm-objcopy --rename-section=.foo=.bar,rom %t %t.rom
-# RUN: llvm-readobj --sections %t.rom | FileCheck %s --check-prefixes=CHECK,WRITE
-# RUN: llvm-objcopy --rename-section=.foo=.bar,contents %t %t.contents
-# RUN: llvm-readobj --sections %t.contents | FileCheck %s --check-prefixes=CHECK,WRITE
-# RUN: llvm-objcopy --rename-section=.foo=.bar,merge %t %t.merge
-# RUN: llvm-readobj --sections %t.merge | FileCheck %s --check-prefixes=CHECK,MERGE,WRITE
-# RUN: llvm-objcopy --rename-section=.foo=.bar,strings %t %t.strings
-# RUN: llvm-readobj --sections %t.strings | FileCheck %s --check-prefixes=CHECK,STRINGS,WRITE
-# RUN: llvm-objcopy --rename-section=.foo=.bar,share %t %t.share
-# RUN: llvm-readobj --sections %t.share | FileCheck %s --check-prefixes=CHECK,WRITE
+# RUN: llvm-objcopy --rename-section=.foo=.bar,alloc \
+# RUN: --rename-section=.baz=.blah,alloc %t %t.alloc
+# RUN: llvm-readobj --sections %t.alloc | FileCheck %s --check-prefixes=CHECK,NOBITS,ALLOC,WRITE
+# RUN: llvm-objcopy --rename-section=.foo=.bar,load \
+# RUN: --rename-section=.baz=.blah,load %t %t.load
+# RUN: llvm-readobj --sections %t.load | FileCheck %s --check-prefixes=CHECK,PROGBITS,WRITE
+# RUN: llvm-objcopy --rename-section=.foo=.bar,noload \
+# RUN: --rename-section=.baz=.blah,noload %t %t.noload
+# RUN: llvm-readobj --sections %t.noload | FileCheck %s --check-prefixes=CHECK,PROGBITS,WRITE
+# RUN: llvm-objcopy --rename-section=.foo=.bar,readonly \
+# RUN: --rename-section=.baz=.blah,readonly %t %t.readonly
+# RUN: llvm-readobj --sections %t.readonly | FileCheck %s --check-prefixes=CHECK,NOBITS
+# RUN: llvm-objcopy --rename-section=.foo=.bar,debug \
+# RUN: --rename-section=.baz=.blah,debug %t %t.debug
+# RUN: llvm-readobj --sections %t.debug | FileCheck %s --check-prefixes=CHECK,PROGBITS,WRITE
+# RUN: llvm-objcopy --rename-section=.foo=.bar,code \
+# RUN: --rename-section=.baz=.blah,code %t %t.code
+# RUN: llvm-readobj --sections %t.code | FileCheck %s --check-prefixes=CHECK,PROGBITS,EXEC,WRITE
+# RUN: llvm-objcopy --rename-section=.foo=.bar,data \
+# RUN: --rename-section=.baz=.blah,data %t %t.data
+# RUN: llvm-readobj --sections %t.data | FileCheck %s --check-prefixes=CHECK,PROGBITS,WRITE
+# RUN: llvm-objcopy --rename-section=.foo=.bar,rom \
+# RUN: --rename-section=.baz=.blah,rom %t %t.rom
+# RUN: llvm-readobj --sections %t.rom | FileCheck %s --check-prefixes=CHECK,PROGBITS,WRITE
+# RUN: llvm-objcopy --rename-section=.foo=.bar,contents \
+# RUN: --rename-section=.baz=.blah,contents %t %t.contents
+# RUN: llvm-readobj --sections %t.contents | FileCheck %s --check-prefixes=CHECK,PROGBITS,WRITE
+# RUN: llvm-objcopy --rename-section=.foo=.bar,merge \
+# RUN: --rename-section=.baz=.blah,merge %t %t.merge
+# RUN: llvm-readobj --sections %t.merge | FileCheck %s --check-prefixes=CHECK,NOBITS,MERGE,WRITE
+# RUN: llvm-objcopy --rename-section=.foo=.bar,strings \
+# RUN: --rename-section=.baz=.blah,strings %t %t.strings
+# RUN: llvm-readobj --sections %t.strings | FileCheck %s --check-prefixes=CHECK,NOBITS,STRINGS,WRITE
+# RUN: llvm-objcopy --rename-section=.foo=.bar,share \
+# RUN: --rename-section=.baz=.blah,share %t %t.share
+# RUN: llvm-readobj --sections %t.share | FileCheck %s --check-prefixes=CHECK,NOBITS,WRITE
# Multiple flags:
-# RUN: llvm-objcopy --rename-section=.foo=.bar,alloc,readonly,strings %t %t.alloc_ro_strings
-# RUN: llvm-readobj --sections %t.alloc_ro_strings | FileCheck %s --check-prefixes=CHECK,ALLOC,STRINGS
-# RUN: llvm-objcopy --rename-section=.foo=.bar,alloc,code %t %t.alloc_code
-# RUN: llvm-readobj --sections %t.alloc_code | FileCheck %s --check-prefixes=CHECK,ALLOC,EXEC,WRITE
+# RUN: llvm-objcopy --rename-section=.foo=.bar,alloc,readonly,strings \
+# RUN: --rename-section=.baz=.blah,alloc,readonly,strings %t %t.alloc_ro_strings
+# RUN: llvm-readobj --sections %t.alloc_ro_strings | FileCheck %s --check-prefixes=CHECK,NOBITS,ALLOC,STRINGS
+# RUN: llvm-objcopy --rename-section=.foo=.bar,alloc,code \
+# RUN: --rename-section=.baz=.blah,alloc,code %t %t.alloc_code
+# RUN: llvm-readobj --sections %t.alloc_code | FileCheck %s --check-prefixes=CHECK,PROGBITS,ALLOC,EXEC,WRITE
# Invalid flags:
# RUN: not llvm-objcopy --rename-section=.foo=.bar,xyzzy %t %t.xyzzy 2>&1 | FileCheck %s --check-prefix=BAD-FLAG
- Name: .foo
Type: SHT_PROGBITS
Flags: [ ]
- Content: "c3c3c3c3"
+ Content: "c3c3c3c3"
+ - Name: .baz
+ Type: SHT_NOBITS
+ Flags: [ ]
+
+# CHECK: Name: .bar
+# CHECK-NEXT: Type: SHT_PROGBITS
+# CHECK-NEXT: Flags [
+# ALLOC-NEXT: SHF_ALLOC (0x2)
+# EXEC-NEXT: SHF_EXECINSTR (0x4)
+# MERGE-NEXT: SHF_MERGE (0x10)
+# STRINGS-NEXT: SHF_STRINGS (0x20)
+# WRITE-NEXT: SHF_WRITE (0x1)
+# CHECK-NEXT: ]
-# CHECK: Name: .bar
-# CHECK-NEXT: Type: SHT_PROGBITS
-# CHECK-NEXT: Flags [
-# ALLOC-NEXT: SHF_ALLOC (0x2)
-# EXEC-NEXT: SHF_EXECINSTR (0x4)
-# MERGE-NEXT: SHF_MERGE (0x10)
-# STRINGS-NEXT: SHF_STRINGS (0x20)
-# WRITE-NEXT: SHF_WRITE (0x1)
-# CHECK-NEXT: ]
+# CHECK: Name: .blah
+# NOBITS-NEXT: Type: SHT_NOBITS
+# PROGBITS-NEXT: Type: SHT_PROGBITS
+# CHECK-NEXT: Flags [
+# ALLOC-NEXT: SHF_ALLOC (0x2)
+# EXEC-NEXT: SHF_EXECINSTR (0x4)
+# MERGE-NEXT: SHF_MERGE (0x10)
+# STRINGS-NEXT: SHF_STRINGS (0x20)
+# WRITE-NEXT: SHF_WRITE (0x1)
+# CHECK-NEXT: ]
# BAD-FLAG: Unrecognized section flag 'xyzzy'. Flags supported for GNU compatibility: alloc, load, noload, readonly, debug, code, data, rom, share, contents, merge, strings
# RUN: yaml2obj %s > %t
# Single flags on a section with no flags:
-# RUN: llvm-objcopy --set-section-flags=.foo=alloc %t %t.alloc
-# RUN: llvm-readobj --sections %t.alloc | FileCheck %s --check-prefixes=CHECK,ALLOC,WRITE
-# RUN: llvm-objcopy --set-section-flags=.foo=load %t %t.load
-# RUN: llvm-readobj --sections %t.load | FileCheck %s --check-prefixes=CHECK,WRITE
-# RUN: llvm-objcopy --set-section-flags=.foo=noload %t %t.noload
-# RUN: llvm-readobj --sections %t.noload | FileCheck %s --check-prefixes=CHECK,WRITE
-# RUN: llvm-objcopy --set-section-flags=.foo=readonly %t %t.readonly
-# RUN: llvm-readobj --sections %t.readonly | FileCheck %s --check-prefixes=CHECK
-# RUN: llvm-objcopy --set-section-flags=.foo=debug %t %t.debug
-# RUN: llvm-readobj --sections %t.debug | FileCheck %s --check-prefixes=CHECK,WRITE
-# RUN: llvm-objcopy --set-section-flags=.foo=code %t %t.code
-# RUN: llvm-readobj --sections %t.code | FileCheck %s --check-prefixes=CHECK,EXEC,WRITE
-# RUN: llvm-objcopy --set-section-flags=.foo=data %t %t.data
-# RUN: llvm-readobj --sections %t.data | FileCheck %s --check-prefixes=CHECK,WRITE
-# RUN: llvm-objcopy --set-section-flags=.foo=rom %t %t.rom
-# RUN: llvm-readobj --sections %t.rom | FileCheck %s --check-prefixes=CHECK,WRITE
-# RUN: llvm-objcopy --set-section-flags=.foo=contents %t %t.contents
-# RUN: llvm-readobj --sections %t.contents | FileCheck %s --check-prefixes=CHECK,WRITE
-# RUN: llvm-objcopy --set-section-flags=.foo=merge %t %t.merge
-# RUN: llvm-readobj --sections %t.merge | FileCheck %s --check-prefixes=CHECK,MERGE,WRITE
-# RUN: llvm-objcopy --set-section-flags=.foo=strings %t %t.strings
-# RUN: llvm-readobj --sections %t.strings | FileCheck %s --check-prefixes=CHECK,STRINGS,WRITE
-# RUN: llvm-objcopy --set-section-flags=.foo=share %t %t.share
-# RUN: llvm-readobj --sections %t.share | FileCheck %s --check-prefixes=CHECK,WRITE
+# RUN: llvm-objcopy --set-section-flags=.foo=alloc \
+# RUN: --set-section-flags=.baz=alloc --set-section-flags=.rela.baz=alloc %t %t.alloc
+# RUN: llvm-readobj --sections %t.alloc | FileCheck %s --check-prefixes=CHECK,NOBITS,ALLOC,WRITE
+# RUN: llvm-objcopy --set-section-flags=.foo=load \
+# RUN: --set-section-flags=.baz=load --set-section-flags=.rela.baz=load %t %t.load
+# RUN: llvm-readobj --sections %t.load | FileCheck %s --check-prefixes=CHECK,PROGBITS,WRITE
+# RUN: llvm-objcopy --set-section-flags=.foo=noload \
+# RUN: --set-section-flags=.baz=noload --set-section-flags=.rela.baz=noload %t %t.noload
+# RUN: llvm-readobj --sections %t.noload | FileCheck %s --check-prefixes=CHECK,PROGBITS,WRITE
+# RUN: llvm-objcopy --set-section-flags=.foo=readonly \
+# RUN: --set-section-flags=.baz=readonly --set-section-flags=.rela.baz=readonly %t %t.readonly
+# RUN: llvm-readobj --sections %t.readonly | FileCheck %s --check-prefixes=CHECK,NOBITS
+# RUN: llvm-objcopy --set-section-flags=.foo=debug \
+# RUN: --set-section-flags=.baz=debug --set-section-flags=.rela.baz=debug %t %t.debug
+# RUN: llvm-readobj --sections %t.debug | FileCheck %s --check-prefixes=CHECK,PROGBITS,WRITE
+# RUN: llvm-objcopy --set-section-flags=.foo=code \
+# RUN: --set-section-flags=.baz=code --set-section-flags=.rela.baz=code %t %t.code
+# RUN: llvm-readobj --sections %t.code | FileCheck %s --check-prefixes=CHECK,PROGBITS,EXEC,WRITE
+# RUN: llvm-objcopy --set-section-flags=.foo=data \
+# RUN: --set-section-flags=.baz=data --set-section-flags=.rela.baz=data %t %t.data
+# RUN: llvm-readobj --sections %t.data | FileCheck %s --check-prefixes=CHECK,PROGBITS,WRITE
+# RUN: llvm-objcopy --set-section-flags=.foo=rom \
+# RUN: --set-section-flags=.baz=rom --set-section-flags=.rela.baz=rom %t %t.rom
+# RUN: llvm-readobj --sections %t.rom | FileCheck %s --check-prefixes=CHECK,PROGBITS,WRITE
+# RUN: llvm-objcopy --set-section-flags=.foo=contents \
+# RUN: --set-section-flags=.baz=contents --set-section-flags=.rela.baz=contents %t %t.contents
+# RUN: llvm-readobj --sections %t.contents | FileCheck %s --check-prefixes=CHECK,PROGBITS,WRITE
+# RUN: llvm-objcopy --set-section-flags=.foo=merge \
+# RUN: --set-section-flags=.baz=merge --set-section-flags=.rela.baz=merge %t %t.merge
+# RUN: llvm-readobj --sections %t.merge | FileCheck %s --check-prefixes=CHECK,MERGE,NOBITS,WRITE
+# RUN: llvm-objcopy --set-section-flags=.foo=strings \
+# RUN: --set-section-flags=.baz=strings --set-section-flags=.rela.baz=strings %t %t.strings
+# RUN: llvm-readobj --sections %t.strings | FileCheck %s --check-prefixes=CHECK,STRINGS,NOBITS,WRITE
+# RUN: llvm-objcopy --set-section-flags=.foo=share \
+# RUN: --set-section-flags=.baz=share --set-section-flags=.rela.baz=share %t %t.share
+# RUN: llvm-readobj --sections %t.share | FileCheck %s --check-prefixes=CHECK,NOBITS,WRITE
# Multiple flags:
-# RUN: llvm-objcopy --set-section-flags=.foo=alloc,readonly,strings %t %t.alloc_ro_strings
-# RUN: llvm-readobj --sections %t.alloc_ro_strings | FileCheck %s --check-prefixes=CHECK,ALLOC,STRINGS
-# RUN: llvm-objcopy --set-section-flags=.foo=alloc,code %t %t.alloc_code
-# RUN: llvm-readobj --sections %t.alloc_code | FileCheck %s --check-prefixes=CHECK,ALLOC,EXEC,WRITE
+# RUN: llvm-objcopy --set-section-flags=.foo=alloc,readonly,strings \
+# RUN: --set-section-flags=.baz=alloc,readonly,strings \
+# RUN: --set-section-flags=.rela.baz=alloc,readonly,strings %t %t.alloc_ro_strings
+# RUN: llvm-readobj --sections %t.alloc_ro_strings | FileCheck %s --check-prefixes=CHECK,NOBITS,ALLOC,STRINGS
+# RUN: llvm-objcopy --set-section-flags=.foo=alloc,code \
+# RUN: --set-section-flags=.baz=alloc,code \
+# RUN: --set-section-flags=.rela.baz=alloc,code %t %t.alloc_code
+# RUN: llvm-readobj --sections %t.alloc_code | FileCheck %s --check-prefixes=CHECK,PROGBITS,ALLOC,EXEC,WRITE
# Invalid flags:
# RUN: not llvm-objcopy --set-section-flags=.foo=xyzzy %t %t.xyzzy 2>&1 | FileCheck %s --check-prefix=BAD-FLAG
- Name: .foo
Type: SHT_PROGBITS
Flags: [ ]
+ - Name: .baz
+ Type: SHT_NOBITS
+ Flags: [ ]
+ - Name: .rela.baz
+ Type: SHT_RELA
+ Info: .baz
+
+# CHECK: Name: .foo
+# CHECK-NEXT: Type: SHT_PROGBITS
+# CHECK-NEXT: Flags [
+# ALLOC-NEXT: SHF_ALLOC (0x2)
+# EXEC-NEXT: SHF_EXECINSTR (0x4)
+# MERGE-NEXT: SHF_MERGE (0x10)
+# STRINGS-NEXT: SHF_STRINGS (0x20)
+# WRITE-NEXT: SHF_WRITE (0x1)
+# CHECK-NEXT: ]
+
+# CHECK: Name: .baz
+# NOBITS-NEXT: Type: SHT_NOBITS
+# PROGBITS-NEXT: Type: SHT_PROGBITS
+# CHECK-NEXT: Flags [
+# ALLOC-NEXT: SHF_ALLOC (0x2)
+# EXEC-NEXT: SHF_EXECINSTR (0x4)
+# MERGE-NEXT: SHF_MERGE (0x10)
+# STRINGS-NEXT: SHF_STRINGS (0x20)
+# WRITE-NEXT: SHF_WRITE (0x1)
+# CHECK-NEXT: ]
-# CHECK: Name: .foo
-# CHECK-NEXT: Type: SHT_PROGBITS
-# CHECK-NEXT: Flags [
-# ALLOC-NEXT: SHF_ALLOC (0x2)
-# EXEC-NEXT: SHF_EXECINSTR (0x4)
-# MERGE-NEXT: SHF_MERGE (0x10)
-# STRINGS-NEXT: SHF_STRINGS (0x20)
-# WRITE-NEXT: SHF_WRITE (0x1)
-# CHECK-NEXT: ]
+# CHECK: Name: .rela.baz
+# CHECK-NEXT: Type: SHT_RELA
+# CHECK-NEXT: Flags [
+# ALLOC-NEXT: SHF_ALLOC (0x2)
+# EXEC-NEXT: SHF_EXECINSTR (0x4)
+# MERGE-NEXT: SHF_MERGE (0x10)
+# STRINGS-NEXT: SHF_STRINGS (0x20)
+# WRITE-NEXT: SHF_WRITE (0x1)
+# CHECK-NEXT: ]
# BAD-FORMAT: Bad format for --set-section-flags: missing '='
# MULTIPLE-SETS: --set-section-flags set multiple times for section .foo
return NewFlags;
}
-static uint64_t setSectionFlagsPreserveMask(uint64_t OldFlags,
+static uint64_t getSectionFlagsPreserveMask(uint64_t OldFlags,
uint64_t NewFlags) {
// Preserve some flags which should not be dropped when setting flags.
// Also, preserve anything OS/processor dependant.
return (OldFlags & PreserveMask) | (NewFlags & ~PreserveMask);
}
+static void setSectionFlagsAndType(SectionBase &Sec, SectionFlag Flags) {
+ Sec.Flags = getSectionFlagsPreserveMask(Sec.Flags, getNewShfFlags(Flags));
+
+ // Certain flags also promote SHT_NOBITS to SHT_PROGBITS. Don't change other
+ // section types (RELA, SYMTAB, etc.).
+ const SectionFlag NoBitsToProgBitsMask =
+ SectionFlag::SecContents | SectionFlag::SecLoad | SectionFlag::SecNoload |
+ SectionFlag::SecCode | SectionFlag::SecData | SectionFlag::SecRom |
+ SectionFlag::SecDebug;
+ if (Sec.Type == SHT_NOBITS && (Flags & NoBitsToProgBitsMask))
+ Sec.Type = SHT_PROGBITS;
+}
+
static ElfType getOutputElfType(const Binary &Bin) {
// Infer output ELF type from the input ELF object
if (isa<ELFObjectFile<ELF32LE>>(Bin))
const SectionRename &SR = Iter->second;
Sec.Name = SR.NewName;
if (SR.NewFlags.hasValue())
- Sec.Flags = setSectionFlagsPreserveMask(
- Sec.Flags, getNewShfFlags(SR.NewFlags.getValue()));
+ setSectionFlagsAndType(Sec, SR.NewFlags.getValue());
}
}
}
const auto Iter = Config.SetSectionFlags.find(Sec.Name);
if (Iter != Config.SetSectionFlags.end()) {
const SectionFlagsUpdate &SFU = Iter->second;
- Sec.Flags = setSectionFlagsPreserveMask(Sec.Flags,
- getNewShfFlags(SFU.NewFlags));
+ setSectionFlagsAndType(Sec, SFU.NewFlags);
}
}
}