diff options
Diffstat (limited to 'lib/Target/AArch64/MCTargetDesc/AArch64WinCOFFObjectWriter.cpp')
-rw-r--r-- | lib/Target/AArch64/MCTargetDesc/AArch64WinCOFFObjectWriter.cpp | 61 |
1 files changed, 50 insertions, 11 deletions
diff --git a/lib/Target/AArch64/MCTargetDesc/AArch64WinCOFFObjectWriter.cpp b/lib/Target/AArch64/MCTargetDesc/AArch64WinCOFFObjectWriter.cpp index 7862a03e771c..31762b9e4cd5 100644 --- a/lib/Target/AArch64/MCTargetDesc/AArch64WinCOFFObjectWriter.cpp +++ b/lib/Target/AArch64/MCTargetDesc/AArch64WinCOFFObjectWriter.cpp @@ -27,8 +27,7 @@ namespace { class AArch64WinCOFFObjectWriter : public MCWinCOFFObjectTargetWriter { public: AArch64WinCOFFObjectWriter() - : MCWinCOFFObjectTargetWriter(COFF::IMAGE_FILE_MACHINE_ARM64) { - } + : MCWinCOFFObjectTargetWriter(COFF::IMAGE_FILE_MACHINE_ARM64) {} ~AArch64WinCOFFObjectWriter() override = default; @@ -36,19 +35,59 @@ public: const MCFixup &Fixup, bool IsCrossSection, const MCAsmBackend &MAB) const override; - bool recordRelocation(const MCFixup &) const override; + bool recordRelocation(const MCFixup &) const override; }; } // end anonymous namespace -unsigned -AArch64WinCOFFObjectWriter::getRelocType(MCContext &Ctx, - const MCValue &Target, - const MCFixup &Fixup, - bool IsCrossSection, - const MCAsmBackend &MAB) const { - const MCFixupKindInfo &Info = MAB.getFixupKindInfo(Fixup.getKind()); - report_fatal_error(Twine("unsupported relocation type: ") + Info.Name); +unsigned AArch64WinCOFFObjectWriter::getRelocType( + MCContext &Ctx, const MCValue &Target, const MCFixup &Fixup, + bool IsCrossSection, const MCAsmBackend &MAB) const { + auto Modifier = Target.isAbsolute() ? MCSymbolRefExpr::VK_None + : Target.getSymA()->getKind(); + + switch (static_cast<unsigned>(Fixup.getKind())) { + default: { + const MCFixupKindInfo &Info = MAB.getFixupKindInfo(Fixup.getKind()); + report_fatal_error(Twine("unsupported relocation type: ") + Info.Name); + } + + case FK_Data_4: + switch (Modifier) { + default: + return COFF::IMAGE_REL_ARM64_ADDR32; + case MCSymbolRefExpr::VK_COFF_IMGREL32: + return COFF::IMAGE_REL_ARM64_ADDR32NB; + case MCSymbolRefExpr::VK_SECREL: + return COFF::IMAGE_REL_ARM64_SECREL; + } + + case FK_Data_8: + return COFF::IMAGE_REL_ARM64_ADDR64; + + case FK_SecRel_2: + return COFF::IMAGE_REL_ARM64_SECTION; + + case FK_SecRel_4: + return COFF::IMAGE_REL_ARM64_SECREL; + + case AArch64::fixup_aarch64_add_imm12: + return COFF::IMAGE_REL_ARM64_PAGEOFFSET_12A; + + case AArch64::fixup_aarch64_ldst_imm12_scale1: + case AArch64::fixup_aarch64_ldst_imm12_scale2: + case AArch64::fixup_aarch64_ldst_imm12_scale4: + case AArch64::fixup_aarch64_ldst_imm12_scale8: + case AArch64::fixup_aarch64_ldst_imm12_scale16: + return COFF::IMAGE_REL_ARM64_PAGEOFFSET_12L; + + case AArch64::fixup_aarch64_pcrel_adrp_imm21: + return COFF::IMAGE_REL_ARM64_PAGEBASE_REL21; + + case AArch64::fixup_aarch64_pcrel_branch26: + case AArch64::fixup_aarch64_pcrel_call26: + return COFF::IMAGE_REL_ARM64_BRANCH26; + } } bool AArch64WinCOFFObjectWriter::recordRelocation(const MCFixup &Fixup) const { |