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https://github.com/c64scene-ar/llvm-6502.git
synced 2025-01-06 04:31:08 +00:00
Use early returns. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232813 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
parent
c09121b93b
commit
6ee46c4389
@ -44,7 +44,6 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
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// determine the type of the relocation
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MCSymbolRefExpr::VariantKind Modifier = Target.getAccessVariant();
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unsigned Type;
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if (getEMachine() == ELF::EM_X86_64) {
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if (IsPCRel) {
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switch ((unsigned)Fixup.getKind()) {
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@ -52,22 +51,16 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
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llvm_unreachable("invalid fixup kind!");
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case FK_Data_8:
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Type = ELF::R_X86_64_PC64;
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break;
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return ELF::R_X86_64_PC64;
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case FK_Data_4:
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Type = ELF::R_X86_64_PC32;
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break;
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return ELF::R_X86_64_PC32;
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case FK_Data_2:
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Type = ELF::R_X86_64_PC16;
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break;
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return ELF::R_X86_64_PC16;
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case FK_Data_1:
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Type = ELF::R_X86_64_PC8;
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break;
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return ELF::R_X86_64_PC8;
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case FK_PCRel_8:
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assert(Modifier == MCSymbolRefExpr::VK_None);
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Type = ELF::R_X86_64_PC64;
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break;
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return ELF::R_X86_64_PC64;
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case X86::reloc_signed_4byte:
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case X86::reloc_riprel_4byte_movq_load:
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case X86::reloc_riprel_4byte:
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@ -76,66 +69,50 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
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default:
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llvm_unreachable("Unimplemented");
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case MCSymbolRefExpr::VK_None:
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Type = ELF::R_X86_64_PC32;
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break;
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return ELF::R_X86_64_PC32;
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case MCSymbolRefExpr::VK_PLT:
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Type = ELF::R_X86_64_PLT32;
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break;
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return ELF::R_X86_64_PLT32;
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case MCSymbolRefExpr::VK_GOTPCREL:
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Type = ELF::R_X86_64_GOTPCREL;
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break;
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return ELF::R_X86_64_GOTPCREL;
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case MCSymbolRefExpr::VK_GOTTPOFF:
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Type = ELF::R_X86_64_GOTTPOFF;
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break;
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return ELF::R_X86_64_GOTTPOFF;
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case MCSymbolRefExpr::VK_TLSGD:
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Type = ELF::R_X86_64_TLSGD;
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break;
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return ELF::R_X86_64_TLSGD;
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case MCSymbolRefExpr::VK_TLSLD:
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Type = ELF::R_X86_64_TLSLD;
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break;
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return ELF::R_X86_64_TLSLD;
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}
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break;
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case FK_PCRel_2:
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assert(Modifier == MCSymbolRefExpr::VK_None);
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Type = ELF::R_X86_64_PC16;
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break;
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return ELF::R_X86_64_PC16;
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case FK_PCRel_1:
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assert(Modifier == MCSymbolRefExpr::VK_None);
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Type = ELF::R_X86_64_PC8;
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break;
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return ELF::R_X86_64_PC8;
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}
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} else {
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switch ((unsigned)Fixup.getKind()) {
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default:
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llvm_unreachable("invalid fixup kind!");
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case X86::reloc_global_offset_table8:
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Type = ELF::R_X86_64_GOTPC64;
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break;
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return ELF::R_X86_64_GOTPC64;
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case X86::reloc_global_offset_table:
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Type = ELF::R_X86_64_GOTPC32;
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break;
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return ELF::R_X86_64_GOTPC32;
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case FK_Data_8:
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switch (Modifier) {
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default:
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llvm_unreachable("Unimplemented");
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case MCSymbolRefExpr::VK_None:
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Type = ELF::R_X86_64_64;
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break;
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return ELF::R_X86_64_64;
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case MCSymbolRefExpr::VK_GOT:
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Type = ELF::R_X86_64_GOT64;
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break;
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return ELF::R_X86_64_GOT64;
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case MCSymbolRefExpr::VK_GOTOFF:
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Type = ELF::R_X86_64_GOTOFF64;
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break;
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return ELF::R_X86_64_GOTOFF64;
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case MCSymbolRefExpr::VK_TPOFF:
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Type = ELF::R_X86_64_TPOFF64;
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break;
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return ELF::R_X86_64_TPOFF64;
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case MCSymbolRefExpr::VK_DTPOFF:
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Type = ELF::R_X86_64_DTPOFF64;
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break;
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return ELF::R_X86_64_DTPOFF64;
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case MCSymbolRefExpr::VK_SIZE:
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Type = ELF::R_X86_64_SIZE64;
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break;
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return ELF::R_X86_64_SIZE64;
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}
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break;
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case X86::reloc_signed_4byte:
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@ -143,35 +120,26 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
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default:
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llvm_unreachable("Unimplemented");
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case MCSymbolRefExpr::VK_None:
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Type = ELF::R_X86_64_32S;
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break;
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return ELF::R_X86_64_32S;
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case MCSymbolRefExpr::VK_GOT:
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Type = ELF::R_X86_64_GOT32;
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break;
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return ELF::R_X86_64_GOT32;
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case MCSymbolRefExpr::VK_GOTPCREL:
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Type = ELF::R_X86_64_GOTPCREL;
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break;
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return ELF::R_X86_64_GOTPCREL;
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case MCSymbolRefExpr::VK_TPOFF:
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Type = ELF::R_X86_64_TPOFF32;
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break;
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return ELF::R_X86_64_TPOFF32;
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case MCSymbolRefExpr::VK_DTPOFF:
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Type = ELF::R_X86_64_DTPOFF32;
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break;
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return ELF::R_X86_64_DTPOFF32;
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case MCSymbolRefExpr::VK_SIZE:
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Type = ELF::R_X86_64_SIZE32;
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break;
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return ELF::R_X86_64_SIZE32;
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}
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break;
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case FK_Data_4:
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Type = ELF::R_X86_64_32;
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break;
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return ELF::R_X86_64_32;
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case FK_Data_2:
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Type = ELF::R_X86_64_16;
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break;
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return ELF::R_X86_64_16;
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case FK_PCRel_1:
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case FK_Data_1:
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Type = ELF::R_X86_64_8;
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break;
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return ELF::R_X86_64_8;
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}
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}
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} else {
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@ -182,17 +150,14 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
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llvm_unreachable("invalid fixup kind!");
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case X86::reloc_global_offset_table:
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Type = ELF::R_386_GOTPC;
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break;
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return ELF::R_386_GOTPC;
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case FK_PCRel_1:
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case FK_Data_1:
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switch (Modifier) {
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default:
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llvm_unreachable("Unimplemented");
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case MCSymbolRefExpr::VK_None:
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Type = ELF::R_386_PC8;
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break;
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return ELF::R_386_PC8;
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}
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break;
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@ -202,8 +167,7 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
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default:
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llvm_unreachable("Unimplemented");
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case MCSymbolRefExpr::VK_None:
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Type = ELF::R_386_PC16;
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break;
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return ELF::R_386_PC16;
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}
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break;
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@ -215,11 +179,9 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
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default:
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llvm_unreachable("Unimplemented");
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case MCSymbolRefExpr::VK_None:
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Type = ELF::R_386_PC32;
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break;
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return ELF::R_386_PC32;
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case MCSymbolRefExpr::VK_PLT:
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Type = ELF::R_386_PLT32;
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break;
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return ELF::R_386_PLT32;
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}
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break;
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}
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@ -229,7 +191,7 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
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llvm_unreachable("invalid fixup kind!");
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case X86::reloc_global_offset_table:
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Type = ELF::R_386_GOTPC;
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return ELF::R_386_GOTPC;
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break;
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// FIXME: Should we avoid selecting reloc_signed_4byte in 32 bit mode
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@ -241,55 +203,39 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
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default:
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llvm_unreachable("Unimplemented");
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case MCSymbolRefExpr::VK_None:
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Type = ELF::R_386_32;
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break;
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return ELF::R_386_32;
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case MCSymbolRefExpr::VK_GOT:
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Type = ELF::R_386_GOT32;
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break;
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return ELF::R_386_GOT32;
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case MCSymbolRefExpr::VK_PLT:
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Type = ELF::R_386_PLT32;
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break;
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return ELF::R_386_PLT32;
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case MCSymbolRefExpr::VK_GOTOFF:
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Type = ELF::R_386_GOTOFF;
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break;
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return ELF::R_386_GOTOFF;
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case MCSymbolRefExpr::VK_TLSGD:
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Type = ELF::R_386_TLS_GD;
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break;
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return ELF::R_386_TLS_GD;
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case MCSymbolRefExpr::VK_TPOFF:
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Type = ELF::R_386_TLS_LE_32;
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break;
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return ELF::R_386_TLS_LE_32;
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case MCSymbolRefExpr::VK_INDNTPOFF:
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Type = ELF::R_386_TLS_IE;
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break;
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return ELF::R_386_TLS_IE;
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case MCSymbolRefExpr::VK_NTPOFF:
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Type = ELF::R_386_TLS_LE;
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break;
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return ELF::R_386_TLS_LE;
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case MCSymbolRefExpr::VK_GOTNTPOFF:
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Type = ELF::R_386_TLS_GOTIE;
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break;
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return ELF::R_386_TLS_GOTIE;
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case MCSymbolRefExpr::VK_TLSLDM:
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Type = ELF::R_386_TLS_LDM;
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break;
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return ELF::R_386_TLS_LDM;
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case MCSymbolRefExpr::VK_DTPOFF:
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Type = ELF::R_386_TLS_LDO_32;
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break;
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return ELF::R_386_TLS_LDO_32;
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case MCSymbolRefExpr::VK_GOTTPOFF:
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Type = ELF::R_386_TLS_IE_32;
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break;
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return ELF::R_386_TLS_IE_32;
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}
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break;
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case FK_Data_2:
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Type = ELF::R_386_16;
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break;
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return ELF::R_386_16;
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case FK_PCRel_1:
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case FK_Data_1:
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Type = ELF::R_386_8;
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break;
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return ELF::R_386_8;
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}
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}
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}
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return Type;
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}
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MCObjectWriter *llvm::createX86ELFObjectWriter(raw_ostream &OS,
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