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[ELF][AArch64] Add aarch64_elf64_le_vec emulation

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Android AOSP has started specifying -m aarch64_elf64_le_vec as supported
by gold and BFD. This is a simple change to add the emulation so that LLD
doesn't immediately error when used as a linker in an AOSP build.

Differential Revision: https://reviews.llvm.org/D46429

llvm-svn: 331521
This commit is contained in:
Peter Smith 2018-05-04 14:28:29 +00:00
parent a61d4c959a
commit 2689d9f4f0
2 changed files with 7 additions and 2 deletions
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3
lld/ELF/Driver.cpp
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@ -118,7 +118,8 @@ static std::tuple<ELFKind, uint16_t, uint8_t> parseEmulation(StringRef Emul) {
std::pair<ELFKind, uint16_t> Ret =
StringSwitch<std::pair<ELFKind, uint16_t>>(S)
.Cases("aarch64elf", "aarch64linux", {ELF64LEKind, EM_AARCH64})
.Cases("aarch64elf", "aarch64linux", "aarch64_elf64_le_vec",
{ELF64LEKind, EM_AARCH64})
.Cases("armelf", "armelf_linux_eabi", {ELF32LEKind, EM_ARM})
.Case("elf32_x86_64", {ELF32LEKind, EM_X86_64})
.Cases("elf32btsmip", "elf32btsmipn32", {ELF32BEKind, EM_MIPS})

6
lld/test/ELF/emulation.s
View File

@ -366,8 +366,12 @@
# RUN: llvm-mc -filetype=obj -triple=aarch64-unknown-linux %s -o %taarch64
# RUN: ld.lld -m aarch64linux %taarch64 -o %t2aarch64
# RUN: llvm-readobj -file-headers %t2aarch64 | FileCheck --check-prefix=AARCH64 %s
# RUN: ld.lld %taarch64 -o %t3aarch64
# RUN: ld.lld -m aarch64elf %taarch64 -o %t3aarch64
# RUN: llvm-readobj -file-headers %t3aarch64 | FileCheck --check-prefix=AARCH64 %s
# RUN: ld.lld -m aarch64_elf64_le_vec %taarch64 -o %t4aarch64
# RUN: llvm-readobj -file-headers %t4aarch64 | FileCheck --check-prefix=AARCH64 %s
# RUN: ld.lld %taarch64 -o %t5aarch64
# RUN: llvm-readobj -file-headers %t5aarch64 | FileCheck --check-prefix=AARCH64 %s
# AARCH64: ElfHeader {
# AARCH64-NEXT: Ident {
# AARCH64-NEXT: Magic: (7F 45 4C 46)