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path: root/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp
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Diffstat (limited to 'lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp')
-rw-r--r--lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp301
1 files changed, 120 insertions, 181 deletions
diff --git a/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp b/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp
index 59f31be69d58..3cd52fe1e7eb 100644
--- a/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp
+++ b/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp
@@ -14,6 +14,7 @@
#include "llvm/MC/MCELFObjectWriter.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCFixup.h"
+#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCValue.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
@@ -78,7 +79,6 @@ unsigned ARMELFObjectWriter::GetRelocTypeInner(const MCValue &Target,
MCContext &Ctx) const {
MCSymbolRefExpr::VariantKind Modifier = Target.getAccessVariant();
- unsigned Type = 0;
if (IsPCRel) {
switch ((unsigned)Fixup.getKind()) {
default:
@@ -86,220 +86,159 @@ unsigned ARMELFObjectWriter::GetRelocTypeInner(const MCValue &Target,
return ELF::R_ARM_NONE;
case FK_Data_4:
switch (Modifier) {
- default: llvm_unreachable("Unsupported Modifier");
+ default:
+ llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_None:
- Type = ELF::R_ARM_REL32;
- break;
- case MCSymbolRefExpr::VK_TLSGD:
- llvm_unreachable("unimplemented");
+ return ELF::R_ARM_REL32;
case MCSymbolRefExpr::VK_GOTTPOFF:
- Type = ELF::R_ARM_TLS_IE32;
- break;
+ return ELF::R_ARM_TLS_IE32;
case MCSymbolRefExpr::VK_ARM_GOT_PREL:
- Type = ELF::R_ARM_GOT_PREL;
- break;
+ return ELF::R_ARM_GOT_PREL;
case MCSymbolRefExpr::VK_ARM_PREL31:
- Type = ELF::R_ARM_PREL31;
- break;
+ return ELF::R_ARM_PREL31;
}
- break;
case ARM::fixup_arm_blx:
case ARM::fixup_arm_uncondbl:
switch (Modifier) {
case MCSymbolRefExpr::VK_PLT:
- Type = ELF::R_ARM_CALL;
- break;
+ return ELF::R_ARM_CALL;
case MCSymbolRefExpr::VK_TLSCALL:
- Type = ELF::R_ARM_TLS_CALL;
- break;
+ return ELF::R_ARM_TLS_CALL;
default:
- Type = ELF::R_ARM_CALL;
- break;
+ return ELF::R_ARM_CALL;
}
- break;
case ARM::fixup_arm_condbl:
case ARM::fixup_arm_condbranch:
case ARM::fixup_arm_uncondbranch:
- Type = ELF::R_ARM_JUMP24;
- break;
+ return ELF::R_ARM_JUMP24;
case ARM::fixup_t2_condbranch:
- Type = ELF::R_ARM_THM_JUMP19;
- break;
+ return ELF::R_ARM_THM_JUMP19;
case ARM::fixup_t2_uncondbranch:
- Type = ELF::R_ARM_THM_JUMP24;
- break;
+ return ELF::R_ARM_THM_JUMP24;
case ARM::fixup_arm_movt_hi16:
- Type = ELF::R_ARM_MOVT_PREL;
- break;
+ return ELF::R_ARM_MOVT_PREL;
case ARM::fixup_arm_movw_lo16:
- Type = ELF::R_ARM_MOVW_PREL_NC;
- break;
+ return ELF::R_ARM_MOVW_PREL_NC;
case ARM::fixup_t2_movt_hi16:
- Type = ELF::R_ARM_THM_MOVT_PREL;
- break;
+ return ELF::R_ARM_THM_MOVT_PREL;
case ARM::fixup_t2_movw_lo16:
- Type = ELF::R_ARM_THM_MOVW_PREL_NC;
- break;
+ return ELF::R_ARM_THM_MOVW_PREL_NC;
case ARM::fixup_arm_thumb_br:
- Type = ELF::R_ARM_THM_JUMP11;
- break;
+ return ELF::R_ARM_THM_JUMP11;
case ARM::fixup_arm_thumb_bcc:
- Type = ELF::R_ARM_THM_JUMP8;
- break;
+ return ELF::R_ARM_THM_JUMP8;
case ARM::fixup_arm_thumb_bl:
case ARM::fixup_arm_thumb_blx:
switch (Modifier) {
case MCSymbolRefExpr::VK_TLSCALL:
- Type = ELF::R_ARM_THM_TLS_CALL;
- break;
+ return ELF::R_ARM_THM_TLS_CALL;
default:
- Type = ELF::R_ARM_THM_CALL;
- break;
+ return ELF::R_ARM_THM_CALL;
}
- break;
}
- } else {
- switch ((unsigned)Fixup.getKind()) {
+ }
+ switch ((unsigned)Fixup.getKind()) {
+ default:
+ Ctx.reportFatalError(Fixup.getLoc(), "unsupported relocation on symbol");
+ return ELF::R_ARM_NONE;
+ case FK_Data_1:
+ switch (Modifier) {
default:
- Ctx.reportFatalError(Fixup.getLoc(), "unsupported relocation on symbol");
+ llvm_unreachable("unsupported Modifier");
+ case MCSymbolRefExpr::VK_None:
+ return ELF::R_ARM_ABS8;
+ }
+ case FK_Data_2:
+ switch (Modifier) {
+ default:
+ llvm_unreachable("unsupported modifier");
+ case MCSymbolRefExpr::VK_None:
+ return ELF::R_ARM_ABS16;
+ }
+ case FK_Data_4:
+ switch (Modifier) {
+ default:
+ llvm_unreachable("Unsupported Modifier");
+ case MCSymbolRefExpr::VK_ARM_NONE:
return ELF::R_ARM_NONE;
- case FK_Data_1:
- switch (Modifier) {
- default: llvm_unreachable("unsupported Modifier");
- case MCSymbolRefExpr::VK_None:
- Type = ELF::R_ARM_ABS8;
- break;
- }
- break;
- case FK_Data_2:
- switch (Modifier) {
- default: llvm_unreachable("unsupported modifier");
- case MCSymbolRefExpr::VK_None:
- Type = ELF::R_ARM_ABS16;
- break;
- }
- break;
- case FK_Data_4:
- switch (Modifier) {
- default: llvm_unreachable("Unsupported Modifier");
- case MCSymbolRefExpr::VK_ARM_NONE:
- Type = ELF::R_ARM_NONE;
- break;
- case MCSymbolRefExpr::VK_GOT:
- Type = ELF::R_ARM_GOT_BREL;
- break;
- case MCSymbolRefExpr::VK_TLSGD:
- Type = ELF::R_ARM_TLS_GD32;
- break;
- case MCSymbolRefExpr::VK_TPOFF:
- Type = ELF::R_ARM_TLS_LE32;
- break;
- case MCSymbolRefExpr::VK_GOTTPOFF:
- Type = ELF::R_ARM_TLS_IE32;
- break;
- case MCSymbolRefExpr::VK_None:
- Type = ELF::R_ARM_ABS32;
- break;
- case MCSymbolRefExpr::VK_GOTOFF:
- Type = ELF::R_ARM_GOTOFF32;
- break;
- case MCSymbolRefExpr::VK_ARM_GOT_PREL:
- Type = ELF::R_ARM_GOT_PREL;
- break;
- case MCSymbolRefExpr::VK_ARM_TARGET1:
- Type = ELF::R_ARM_TARGET1;
- break;
- case MCSymbolRefExpr::VK_ARM_TARGET2:
- Type = ELF::R_ARM_TARGET2;
- break;
- case MCSymbolRefExpr::VK_ARM_PREL31:
- Type = ELF::R_ARM_PREL31;
- break;
- case MCSymbolRefExpr::VK_ARM_SBREL:
- Type = ELF::R_ARM_SBREL32;
- break;
- case MCSymbolRefExpr::VK_ARM_TLSLDO:
- Type = ELF::R_ARM_TLS_LDO32;
- break;
- case MCSymbolRefExpr::VK_TLSCALL:
- Type = ELF::R_ARM_TLS_CALL;
- break;
- case MCSymbolRefExpr::VK_TLSDESC:
- Type = ELF::R_ARM_TLS_GOTDESC;
- break;
- case MCSymbolRefExpr::VK_TLSLDM:
- Type = ELF::R_ARM_TLS_LDM32;
- break;
- case MCSymbolRefExpr::VK_ARM_TLSDESCSEQ:
- Type = ELF::R_ARM_TLS_DESCSEQ;
- break;
- }
- break;
- case ARM::fixup_arm_ldst_pcrel_12:
- case ARM::fixup_arm_pcrel_10:
- case ARM::fixup_arm_adr_pcrel_12:
- case ARM::fixup_arm_thumb_bl:
- case ARM::fixup_arm_thumb_cb:
- case ARM::fixup_arm_thumb_cp:
- case ARM::fixup_arm_thumb_br:
- llvm_unreachable("Unimplemented");
- case ARM::fixup_arm_condbranch:
- case ARM::fixup_arm_uncondbranch:
- Type = ELF::R_ARM_JUMP24;
- break;
- case ARM::fixup_arm_movt_hi16:
- switch (Modifier) {
- default: llvm_unreachable("Unsupported Modifier");
- case MCSymbolRefExpr::VK_None:
- Type = ELF::R_ARM_MOVT_ABS;
- break;
- case MCSymbolRefExpr::VK_ARM_SBREL:
- Type = ELF:: R_ARM_MOVT_BREL;
- break;
- }
- break;
- case ARM::fixup_arm_movw_lo16:
- switch (Modifier) {
- default: llvm_unreachable("Unsupported Modifier");
- case MCSymbolRefExpr::VK_None:
- Type = ELF::R_ARM_MOVW_ABS_NC;
- break;
- case MCSymbolRefExpr::VK_ARM_SBREL:
- Type = ELF:: R_ARM_MOVW_BREL_NC;
- break;
- }
- break;
- case ARM::fixup_t2_movt_hi16:
- switch (Modifier) {
- default: llvm_unreachable("Unsupported Modifier");
- case MCSymbolRefExpr::VK_None:
- Type = ELF::R_ARM_THM_MOVT_ABS;
- break;
- case MCSymbolRefExpr::VK_ARM_SBREL:
- Type = ELF:: R_ARM_THM_MOVT_BREL;
- break;
- }
- break;
- case ARM::fixup_t2_movw_lo16:
- switch (Modifier) {
- default: llvm_unreachable("Unsupported Modifier");
- case MCSymbolRefExpr::VK_None:
- Type = ELF::R_ARM_THM_MOVW_ABS_NC;
- break;
- case MCSymbolRefExpr::VK_ARM_SBREL:
- Type = ELF:: R_ARM_THM_MOVW_BREL_NC;
- break;
- }
- break;
+ case MCSymbolRefExpr::VK_GOT:
+ return ELF::R_ARM_GOT_BREL;
+ case MCSymbolRefExpr::VK_TLSGD:
+ return ELF::R_ARM_TLS_GD32;
+ case MCSymbolRefExpr::VK_TPOFF:
+ return ELF::R_ARM_TLS_LE32;
+ case MCSymbolRefExpr::VK_GOTTPOFF:
+ return ELF::R_ARM_TLS_IE32;
+ case MCSymbolRefExpr::VK_None:
+ return ELF::R_ARM_ABS32;
+ case MCSymbolRefExpr::VK_GOTOFF:
+ return ELF::R_ARM_GOTOFF32;
+ case MCSymbolRefExpr::VK_ARM_GOT_PREL:
+ return ELF::R_ARM_GOT_PREL;
+ case MCSymbolRefExpr::VK_ARM_TARGET1:
+ return ELF::R_ARM_TARGET1;
+ case MCSymbolRefExpr::VK_ARM_TARGET2:
+ return ELF::R_ARM_TARGET2;
+ case MCSymbolRefExpr::VK_ARM_PREL31:
+ return ELF::R_ARM_PREL31;
+ case MCSymbolRefExpr::VK_ARM_SBREL:
+ return ELF::R_ARM_SBREL32;
+ case MCSymbolRefExpr::VK_ARM_TLSLDO:
+ return ELF::R_ARM_TLS_LDO32;
+ case MCSymbolRefExpr::VK_TLSCALL:
+ return ELF::R_ARM_TLS_CALL;
+ case MCSymbolRefExpr::VK_TLSDESC:
+ return ELF::R_ARM_TLS_GOTDESC;
+ case MCSymbolRefExpr::VK_TLSLDM:
+ return ELF::R_ARM_TLS_LDM32;
+ case MCSymbolRefExpr::VK_ARM_TLSDESCSEQ:
+ return ELF::R_ARM_TLS_DESCSEQ;
+ }
+ case ARM::fixup_arm_condbranch:
+ case ARM::fixup_arm_uncondbranch:
+ return ELF::R_ARM_JUMP24;
+ case ARM::fixup_arm_movt_hi16:
+ switch (Modifier) {
+ default:
+ llvm_unreachable("Unsupported Modifier");
+ case MCSymbolRefExpr::VK_None:
+ return ELF::R_ARM_MOVT_ABS;
+ case MCSymbolRefExpr::VK_ARM_SBREL:
+ return ELF::R_ARM_MOVT_BREL;
+ }
+ case ARM::fixup_arm_movw_lo16:
+ switch (Modifier) {
+ default:
+ llvm_unreachable("Unsupported Modifier");
+ case MCSymbolRefExpr::VK_None:
+ return ELF::R_ARM_MOVW_ABS_NC;
+ case MCSymbolRefExpr::VK_ARM_SBREL:
+ return ELF::R_ARM_MOVW_BREL_NC;
+ }
+ case ARM::fixup_t2_movt_hi16:
+ switch (Modifier) {
+ default:
+ llvm_unreachable("Unsupported Modifier");
+ case MCSymbolRefExpr::VK_None:
+ return ELF::R_ARM_THM_MOVT_ABS;
+ case MCSymbolRefExpr::VK_ARM_SBREL:
+ return ELF::R_ARM_THM_MOVT_BREL;
+ }
+ case ARM::fixup_t2_movw_lo16:
+ switch (Modifier) {
+ default:
+ llvm_unreachable("Unsupported Modifier");
+ case MCSymbolRefExpr::VK_None:
+ return ELF::R_ARM_THM_MOVW_ABS_NC;
+ case MCSymbolRefExpr::VK_ARM_SBREL:
+ return ELF::R_ARM_THM_MOVW_BREL_NC;
}
}
-
- return Type;
}
-MCObjectWriter *llvm::createARMELFObjectWriter(raw_pwrite_stream &OS,
- uint8_t OSABI,
- bool IsLittleEndian) {
- MCELFObjectTargetWriter *MOTW = new ARMELFObjectWriter(OSABI);
- return createELFObjectWriter(MOTW, OS, IsLittleEndian);
+std::unique_ptr<MCObjectWriter>
+llvm::createARMELFObjectWriter(raw_pwrite_stream &OS, uint8_t OSABI,
+ bool IsLittleEndian) {
+ return createELFObjectWriter(llvm::make_unique<ARMELFObjectWriter>(OSABI), OS,
+ IsLittleEndian);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 14:49:23 +0000