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[Object] Add some more LoongArch support 

Add ELFObjectFileBase::getLoongArchFeatures, and return the proper ELF
relative reloc type for LoongArch.

Reviewed By: MaskRay, SixWeining

Differential Revision: https://reviews.llvm.org/D138016
This commit is contained in:
WANG Xuerui 2022-12-01 17:58:11 +08:00 committed by Weining Lu
parent 06846596eb
commit 28b4838a33
18 changed files with 52 additions and 28 deletions
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1
llvm/include/llvm/Object/ELFObjectFile.h
View File

@ -56,6 +56,7 @@ class ELFObjectFileBase : public ObjectFile {
SubtargetFeatures getMIPSFeatures() const;
SubtargetFeatures getARMFeatures() const;
SubtargetFeatures getRISCVFeatures() const;
SubtargetFeatures getLoongArchFeatures() const;
StringRef getAMDGPUCPUName() const;

2
llvm/lib/Object/ELF.cpp
View File

@ -223,6 +223,8 @@ uint32_t llvm::object::getELFRelativeRelocationType(uint32_t Machine) {
break;
case ELF::EM_BPF:
break;
case ELF::EM_LOONGARCH:
return ELF::R_LARCH_RELATIVE;
default:
break;
}

20
llvm/lib/Object/ELFObjectFile.cpp
View File

@ -342,6 +342,24 @@ SubtargetFeatures ELFObjectFileBase::getRISCVFeatures() const {
return Features;
}
SubtargetFeatures ELFObjectFileBase::getLoongArchFeatures() const {
SubtargetFeatures Features;
switch (getPlatformFlags() & ELF::EF_LOONGARCH_ABI_MODIFIER_MASK) {
case ELF::EF_LOONGARCH_ABI_SOFT_FLOAT:
break;
case ELF::EF_LOONGARCH_ABI_DOUBLE_FLOAT:
Features.AddFeature("d");
// D implies F according to LoongArch ISA spec.
[[fallthrough]];
case ELF::EF_LOONGARCH_ABI_SINGLE_FLOAT:
Features.AddFeature("f");
break;
}
return Features;
}
SubtargetFeatures ELFObjectFileBase::getFeatures() const {
switch (getEMachine()) {
case ELF::EM_MIPS:
@ -350,6 +368,8 @@ SubtargetFeatures ELFObjectFileBase::getFeatures() const {
return getARMFeatures();
case ELF::EM_RISCV:
return getRISCVFeatures();
case ELF::EM_LOONGARCH:
return getLoongArchFeatures();
default:
return SubtargetFeatures();
}

4
llvm/test/MC/LoongArch/Basic/Float/d-arith.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --show-encoding \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+d --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
## Support for the 'D' extension implies support for 'F'

4
llvm/test/MC/LoongArch/Basic/Float/d-bound-check.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --show-encoding \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+d --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
## Support for the 'D' extension implies support for 'F'

4
llvm/test/MC/LoongArch/Basic/Float/d-branch.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --show-encoding \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+d --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
## Support for the 'D' extension implies support for 'F'

4
llvm/test/MC/LoongArch/Basic/Float/d-comp.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --show-encoding \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+d --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
## Support for the 'D' extension implies support for 'F'

4
llvm/test/MC/LoongArch/Basic/Float/d-conv.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --show-encoding \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+d --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
## Support for the 'D' extension implies support for 'F'

4
llvm/test/MC/LoongArch/Basic/Float/d-memory.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --show-encoding \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+d --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
## Support for the 'D' extension implies support for 'F'

4
llvm/test/MC/LoongArch/Basic/Float/d-move.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --show-encoding --defsym=LA64=1 \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM,ASM-AND-OBJ64,ASM64 %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+d --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+d --filetype=obj --defsym=LA64=1 \
# RUN: | llvm-objdump -d --mattr=+d - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM-AND-OBJ64 %s
## Support for the 'D' extension implies support for 'F'

4
llvm/test/MC/LoongArch/Basic/Float/f-arith.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --show-encoding \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# ASM-AND-OBJ: fadd.s $fs5, $ft7, $fs1

4
llvm/test/MC/LoongArch/Basic/Float/f-bound-check.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --show-encoding \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# ASM-AND-OBJ: fldgt.s $fa3, $s4, $t1

4
llvm/test/MC/LoongArch/Basic/Float/f-branch.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --show-encoding \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# ASM-AND-OBJ: bceqz $fcc6, 12

4
llvm/test/MC/LoongArch/Basic/Float/f-comp.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --show-encoding \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# ASM-AND-OBJ: fcmp.caf.s $fcc0, $fa0, $fa1

4
llvm/test/MC/LoongArch/Basic/Float/f-conv.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --show-encoding \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# ASM-AND-OBJ: ffint.s.w $fs6, $fa5

4
llvm/test/MC/LoongArch/Basic/Float/f-memory.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --show-encoding \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# ASM-AND-OBJ: fld.s $ft15, $t3, 250

4
llvm/test/MC/LoongArch/Basic/Float/f-move.s
View File

@ -3,10 +3,10 @@
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --show-encoding \
# RUN: | FileCheck --check-prefixes=ASM-AND-OBJ,ASM %s
# RUN: llvm-mc %s --triple=loongarch32 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# RUN: llvm-mc %s --triple=loongarch64 --mattr=+f --filetype=obj \
# RUN: | llvm-objdump -d --mattr=+f - \
# RUN: | llvm-objdump -d - \
# RUN: | FileCheck --check-prefix=ASM-AND-OBJ %s
# ASM-AND-OBJ: fmov.s $ft5, $ft15

1
llvm/unittests/Object/ELFTest.cpp
View File

@ -237,6 +237,7 @@ TEST(ELFTest, getELFRelocationTypeNameForLoongArch) {
TEST(ELFTest, getELFRelativeRelocationType) {
EXPECT_EQ(ELF::R_VE_RELATIVE, getELFRelativeRelocationType(EM_VE));
EXPECT_EQ(ELF::R_LARCH_RELATIVE, getELFRelativeRelocationType(EM_LOONGARCH));
}
// This is a test for the DataRegion helper struct, defined in ELF.h header.