This is an archive of the discontinued LLVM Phabricator instance.

[ELF] Handle NONE relocations on AArch64
ClosedPublic

Authored by phosek on Mar 5 2017, 5:28 PM.

Reviewers

Commits

Test added.

This revision was automatically updated to reflect the committed changes.

Path

Size

ELF/

2 lines

test/

ELF/

24 lines

Show First 20 Lines • Show All 1,314 Lines • ▼ Show 20 Lines	RelExpr AArch64TargetInfo::getRelExpr(uint32_t Type,
case R_AARCH64_ADR_PREL_PG_HI21:		case R_AARCH64_ADR_PREL_PG_HI21:
return R_PAGE_PC;		return R_PAGE_PC;
case R_AARCH64_LD64_GOT_LO12_NC:		case R_AARCH64_LD64_GOT_LO12_NC:
case R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:		case R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
return R_GOT;		return R_GOT;
case R_AARCH64_ADR_GOT_PAGE:		case R_AARCH64_ADR_GOT_PAGE:
case R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:		case R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
return R_GOT_PAGE_PC;		return R_GOT_PAGE_PC;
		case R_AARCH64_NONE:
		return R_NONE;
}		}
}		}

RelExpr AArch64TargetInfo::adjustRelaxExpr(uint32_t Type, const uint8_t *Data,		RelExpr AArch64TargetInfo::adjustRelaxExpr(uint32_t Type, const uint8_t *Data,
RelExpr Expr) const {		RelExpr Expr) const {
if (Expr == R_RELAX_TLS_GD_TO_IE) {		if (Expr == R_RELAX_TLS_GD_TO_IE) {
if (Type == R_AARCH64_TLSDESC_ADR_PAGE21)		if (Type == R_AARCH64_TLSDESC_ADR_PAGE21)
return R_RELAX_TLS_GD_TO_IE_PAGE_PC;		return R_RELAX_TLS_GD_TO_IE_PAGE_PC;
▲ Show 20 Lines • Show All 1,089 Lines • Show Last 20 Lines

				# REQUIRES: aarch64

				# RUN: yaml2obj %s -o %t.o
				# RUN: ld.lld %t.o -o %t.out

				!ELF
				FileHeader:
				Class: ELFCLASS64
				Data: ELFDATA2LSB
				Type: ET_REL
				Machine: EM_AARCH64
				Sections:
				- Type: SHT_PROGBITS
				Name: .text
				Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
				Content: "00000000"
				- Type: SHT_RELA
				Name: .rela.text
				Link: .symtab
				Info: .text
				Relocations:
				- Offset: 0
				Symbol: ''
				Type: R_AARCH64_NONE