This is part of the ODR checker proposal:
http://lists.llvm.org/pipermail/llvm-dev/2017-June/113820.html
Per discussion on the gnu-gabi mailing list [1] the section type range
0x6fff4c00..0x6fff4cff is reserved for LLVM.
[1] https://sourceware.org/ml/gnu-gabi/2017-q2/msg00030.html
Differential Revision: https://reviews.llvm.org/D33978
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@305407
91177308-0d34-0410-b5e6-
96231b3b80d8
SHT_GROUP = 17, // Section group.
SHT_SYMTAB_SHNDX = 18, // Indices for SHN_XINDEX entries.
SHT_LOOS = 0x60000000, // Lowest operating system-specific type.
+ SHT_LLVM_ODRTAB = 0x6fff4c00, // LLVM ODR table.
SHT_GNU_ATTRIBUTES = 0x6ffffff5, // Object attributes.
SHT_GNU_HASH = 0x6ffffff6, // GNU-style hash table.
SHT_GNU_verdef = 0x6ffffffd, // GNU version definitions.
Type = ELF::SHT_NOTE;
else if (TypeName == "unwind")
Type = ELF::SHT_X86_64_UNWIND;
+ else if (TypeName == "llvm_odrtab")
+ Type = ELF::SHT_LLVM_ODRTAB;
else if (TypeName.getAsInteger(0, Type))
return TokError("unknown section type");
}
// Print hex value of the flag while we do not have
// any standard symbolic representation of the flag.
OS << "0x7000001e";
+ else if (Type == ELF::SHT_LLVM_ODRTAB)
+ OS << "llvm_odrtab";
else
report_fatal_error("unsupported type 0x" + Twine::utohexstr(Type) +
" for section " + getSectionName());
STRINGIFY_ENUM_CASE(ELF, SHT_PREINIT_ARRAY);
STRINGIFY_ENUM_CASE(ELF, SHT_GROUP);
STRINGIFY_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX);
+ STRINGIFY_ENUM_CASE(ELF, SHT_LLVM_ODRTAB);
STRINGIFY_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES);
STRINGIFY_ENUM_CASE(ELF, SHT_GNU_HASH);
STRINGIFY_ENUM_CASE(ELF, SHT_GNU_verdef);
ECase(SHT_GROUP);
ECase(SHT_SYMTAB_SHNDX);
ECase(SHT_LOOS);
+ ECase(SHT_LLVM_ODRTAB);
ECase(SHT_GNU_ATTRIBUTES);
ECase(SHT_GNU_HASH);
ECase(SHT_GNU_verdef);
// CHECK-NEXT: SHF_TLS
// CHECK-NEXT: SHF_WRITE
// CHECK-NEXT: ]
+
+// Test SHT_LLVM_ODRTAB
+
+.section .odrtab,"e",@llvm_odrtab
+// ASM: .section .odrtab,"e",@llvm_odrtab
+
+// CHECK: Section {
+// CHECK: Name: .odrtab
+// CHECK-NEXT: Type: SHT_LLVM_ODRTAB
+// CHECK-NEXT: Flags [
+// CHECK-NEXT: SHF_EXCLUDE
+// CHECK-NEXT: ]
return "GROUP";
case SHT_SYMTAB_SHNDX:
return "SYMTAB SECTION INDICES";
+ case SHT_LLVM_ODRTAB:
+ return "LLVM_ODRTAB";
// FIXME: Parse processor specific GNU attributes
case SHT_GNU_ATTRIBUTES:
return "ATTRIBUTES";