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[COFF] Add MIPS relocation types (#107814)

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Add the MIPS COFF relocation types. They will be needed to add support
for MIPS Windows object file.

This is an extract of PR
https://github.com/llvm/llvm-project/pull/107744.
This commit is contained in:
hpoussin
2024-10-15 04:50:51 +02:00
committed by GitHub
parent c6ba7b38db
commit 97ccd868cb
2 changed files with 39 additions and 0 deletions
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18
llvm/include/llvm/BinaryFormat/COFF.h
View File

@@ -417,6 +417,24 @@ enum RelocationTypesARM64 : unsigned {
IMAGE_REL_ARM64_REL32 = 0x0011,
};
enum RelocationTypesMips : unsigned {
IMAGE_REL_MIPS_ABSOLUTE = 0x0000,
IMAGE_REL_MIPS_REFHALF = 0x0001,
IMAGE_REL_MIPS_REFWORD = 0x0002,
IMAGE_REL_MIPS_JMPADDR = 0x0003,
IMAGE_REL_MIPS_REFHI = 0x0004,
IMAGE_REL_MIPS_REFLO = 0x0005,
IMAGE_REL_MIPS_GPREL = 0x0006,
IMAGE_REL_MIPS_LITERAL = 0x0007,
IMAGE_REL_MIPS_SECTION = 0x000A,
IMAGE_REL_MIPS_SECREL = 0x000B,
IMAGE_REL_MIPS_SECRELLO = 0x000C,
IMAGE_REL_MIPS_SECRELHI = 0x000D,
IMAGE_REL_MIPS_JMPADDR16 = 0x0010,
IMAGE_REL_MIPS_REFWORDNB = 0x0022,
IMAGE_REL_MIPS_PAIR = 0x0025,
};
enum DynamicRelocationType : unsigned {
IMAGE_DYNAMIC_RELOCATION_GUARD_RF_PROLOGUE = 1,
IMAGE_DYNAMIC_RELOCATION_GUARD_RF_EPILOGUE = 2,

21
llvm/lib/Object/COFFObjectFile.cpp
View File

@@ -1465,6 +1465,27 @@ StringRef COFFObjectFile::getRelocationTypeName(uint16_t Type) const {
return "Unknown";
}
break;
case Triple::mipsel:
switch (Type) {
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_ABSOLUTE);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_REFHALF);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_REFWORD);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_JMPADDR);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_REFHI);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_REFLO);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_GPREL);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_LITERAL);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_SECTION);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_SECREL);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_SECRELLO);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_SECRELHI);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_JMPADDR16);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_REFWORDNB);
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_MIPS_PAIR);
default:
return "Unknown";
}
break;
default:
return "Unknown";
}