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Support MIPS64EL relocation type names

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MIPS64EL relocation entries have up to three relocation operations. Because
libObject only exposes a single relocation name, use the concatenation of
the individual relocation type names.

llvm-svn: 179357
This commit is contained in:
Nico Rieck 2013-04-12 03:59:28 +00:00
parent a4429c79f5
commit 9a59fc56ae
1 changed files with 60 additions and 41 deletions
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101
include/llvm/Object/ELF.h
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@ -689,6 +689,7 @@ public:
protected:
const Elf_Sym *getSymbol(DataRefImpl Symb) const; // FIXME: Should be private?
void validateSymbol(DataRefImpl Symb) const;
StringRef getRelocationTypeName(uint32_t Type) const;
public:
error_code getSymbolName(const Elf_Shdr *section,
@ -1607,29 +1608,14 @@ error_code ELFObjectFile<ELFT>::getRelocationType(DataRefImpl Rel,
}
#define LLVM_ELF_SWITCH_RELOC_TYPE_NAME(enum) \
case ELF::enum: res = #enum; break;
case ELF::enum: Res = #enum; break;
template<class ELFT>
error_code ELFObjectFile<ELFT>::getRelocationTypeName(
DataRefImpl Rel, SmallVectorImpl<char> &Result) const {
const Elf_Shdr *sec = getSection(Rel.w.b);
uint32_t type;
StringRef res;
switch (sec->sh_type) {
default :
return object_error::parse_failed;
case ELF::SHT_REL : {
type = getRel(Rel)->getType(isMips64EL());
break;
}
case ELF::SHT_RELA : {
type = getRela(Rel)->getType(isMips64EL());
break;
}
}
StringRef ELFObjectFile<ELFT>::getRelocationTypeName(uint32_t Type) const {
StringRef Res = "Unknown";
switch (Header->e_machine) {
case ELF::EM_X86_64:
switch (type) {
switch (Type) {
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_NONE);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_64);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC32);
@ -1662,12 +1648,11 @@ error_code ELFObjectFile<ELFT>::getRelocationTypeName(
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPC32_TLSDESC);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSDESC_CALL);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSDESC);
default:
res = "Unknown";
default: break;
}
break;
case ELF::EM_386:
switch (type) {
switch (Type) {
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_NONE);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_32);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC32);
@ -1708,12 +1693,11 @@ error_code ELFObjectFile<ELFT>::getRelocationTypeName(
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DESC_CALL);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DESC);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_IRELATIVE);
default:
res = "Unknown";
default: break;
}
break;
case ELF::EM_MIPS:
switch (type) {
switch (Type) {
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_NONE);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_16);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_32);
@ -1765,12 +1749,11 @@ error_code ELFObjectFile<ELFT>::getRelocationTypeName(
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GLOB_DAT);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_COPY);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_JUMP_SLOT);
default:
res = "Unknown";
default: break;
}
break;
case ELF::EM_AARCH64:
switch (type) {
switch (Type) {
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_NONE);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ABS64);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ABS32);
@ -1844,13 +1827,11 @@ error_code ELFObjectFile<ELFT>::getRelocationTypeName(
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_LD64_LO12_NC);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_ADD_LO12_NC);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_CALL);
default:
res = "Unknown";
default: break;
}
break;
case ELF::EM_ARM:
switch (type) {
switch (Type) {
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_NONE);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PC24);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS32);
@ -1982,12 +1963,11 @@ error_code ELFObjectFile<ELFT>::getRelocationTypeName(
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ME_TOO);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_DESCSEQ16);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_DESCSEQ32);
default:
res = "Unknown";
default: break;
}
break;
case ELF::EM_HEXAGON:
switch (type) {
switch (Type) {
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_NONE);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B22_PCREL);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B15_PCREL);
@ -2074,19 +2054,58 @@ error_code ELFObjectFile<ELFT>::getRelocationTypeName(
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_32_6_X);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_16_X);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_11_X);
default:
res = "Unknown";
default: break;
}
break;
default:
res = "Unknown";
default: break;
}
Result.append(res.begin(), res.end());
return object_error::success;
return Res;
}
#undef LLVM_ELF_SWITCH_RELOC_TYPE_NAME
template<class ELFT>
error_code ELFObjectFile<ELFT>::getRelocationTypeName(
DataRefImpl Rel, SmallVectorImpl<char> &Result) const {
const Elf_Shdr *sec = getSection(Rel.w.b);
uint32_t type;
switch (sec->sh_type) {
default :
return object_error::parse_failed;
case ELF::SHT_REL : {
type = getRel(Rel)->getType(isMips64EL());
break;
}
case ELF::SHT_RELA : {
type = getRela(Rel)->getType(isMips64EL());
break;
}
}
if (!isMips64EL()) {
StringRef Name = getRelocationTypeName(type);
Result.append(Name.begin(), Name.end());
} else {
uint8_t Type1 = (type >> 0) & 0xFF;
uint8_t Type2 = (type >> 8) & 0xFF;
uint8_t Type3 = (type >> 16) & 0xFF;
// Concat all three relocation type names.
StringRef Name = getRelocationTypeName(Type1);
Result.append(Name.begin(), Name.end());
Name = getRelocationTypeName(Type2);
Result.append(1, '/');
Result.append(Name.begin(), Name.end());
Name = getRelocationTypeName(Type3);
Result.append(1, '/');
Result.append(Name.begin(), Name.end());
}
return object_error::success;
}
template<class ELFT>
error_code ELFObjectFile<ELFT>::getRelocationAdditionalInfo(
DataRefImpl Rel, int64_t &Result) const {