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[Mips] Make "emulation" option less dependent on the "-target" option.

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Now it is possible to have mips-linux-gnu-ld executable and link MIPS 64-bit
little-endian binaries providing -melf64ltsmip command line argument.

llvm-svn: 246335
This commit is contained in:
Simon Atanasyan 2015-08-28 21:39:06 +00:00
parent 6d39140b6e
commit f12120cfe9
2 changed files with 17 additions and 11 deletions
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18
lld/lib/Driver/GnuLdDriver.cpp
View File

@ -165,19 +165,15 @@ getArchType(const llvm::Triple &triple, StringRef value) {
return llvm::Triple::x86_64;
return llvm::None;
case llvm::Triple::mips:
case llvm::Triple::mips64:
if (value == "elf32btsmip")
return llvm::Triple::mips;
if (value == "elf64btsmip")
return llvm::Triple::mips64;
return llvm::None;
case llvm::Triple::mipsel:
case llvm::Triple::mips64:
case llvm::Triple::mips64el:
if (value == "elf32ltsmip")
return llvm::Triple::mipsel;
if (value == "elf64ltsmip")
return llvm::Triple::mips64el;
return llvm::None;
return llvm::StringSwitch<llvm::Optional<llvm::Triple::ArchType>>(value)
.Case("elf32btsmip", llvm::Triple::mips)
.Case("elf32ltsmip", llvm::Triple::mipsel)
.Case("elf64btsmip", llvm::Triple::mips64)
.Case("elf64ltsmip", llvm::Triple::mips64el)
.Default(llvm::None);
case llvm::Triple::aarch64:
if (value == "aarch64linux")
return llvm::Triple::aarch64;

10
lld/unittests/DriverTests/GnuLdDriverTest.cpp
View File

@ -199,6 +199,16 @@ TEST_F(GnuLdParserTest, AsNeeded) {
EXPECT_FALSE(cast<FileNode>(nodes[3].get())->asNeeded());
}
// Emulation
TEST_F(GnuLdParserTest, Emulation) {
EXPECT_TRUE(parse("mips-linux-gnu-ld", "a.o", "-m", "elf64ltsmip", nullptr));
EXPECT_EQ(Triple::mips64el, _ctx->getTriple().getArch());
EXPECT_TRUE(
parse("mips64el-linux-gnu-ld", "a.o", "-m", "elf32btsmip", nullptr));
EXPECT_EQ(Triple::mips, _ctx->getTriple().getArch());
}
// Linker script
TEST_F(LinkerScriptTest, Input) {