maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[mips] Fix handling of GNUABIN32 environment in a target triple 

The `GNUABIN32` environment in a target triple implies using the N32
ABI. This patch adds support for this environment and switches on N32
ABI if necessary.

Patch by Patch by YunQiang Su.

Differential revision: https://reviews.llvm.org/D51464

llvm-svn: 344570
This commit is contained in:
Simon Atanasyan 2018-10-15 22:43:23 +00:00
parent 6d92ca61f9
commit db81c7b9c9
10 changed files with 115 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
clang/lib/Basic/Targets/Mips.h
View File

@ -69,7 +69,12 @@ public:
UseIndirectJumpHazard(false), FPMode(FPXX) {
TheCXXABI.set(TargetCXXABI::GenericMIPS);
setABI(getTriple().isMIPS32() ? "o32" : "n64");
if (Triple.isMIPS32())
setABI("o32");
else if (Triple.getEnvironment() == llvm::Triple::GNUABIN32)
setABI("n32");
else
setABI("n64");
CPU = ABI == "o32" ? "mips32r2" : "mips64r2";

3
clang/lib/Driver/ToolChains/Arch/Mips.cpp
View File

@ -82,6 +82,9 @@ void mips::getMipsCPUAndABI(const ArgList &Args, const llvm::Triple &Triple,
}
}
if (ABIName.empty() && (Triple.getEnvironment() == llvm::Triple::GNUABIN32))
ABIName = "n32";
if (ABIName.empty() &&
(Triple.getVendor() == llvm::Triple::MipsTechnologies ||
Triple.getVendor() == llvm::Triple::ImaginationTechnologies)) {

18
clang/lib/Driver/ToolChains/Gnu.cpp
View File

@ -264,11 +264,13 @@ static const char *getLDMOption(const llvm::Triple &T, const ArgList &Args) {
case llvm::Triple::mipsel:
return "elf32ltsmip";
case llvm::Triple::mips64:
if (tools::mips::hasMipsAbiArg(Args, "n32"))
if (tools::mips::hasMipsAbiArg(Args, "n32") ||
T.getEnvironment() == llvm::Triple::GNUABIN32)
return "elf32btsmipn32";
return "elf64btsmip";
case llvm::Triple::mips64el:
if (tools::mips::hasMipsAbiArg(Args, "n32"))
if (tools::mips::hasMipsAbiArg(Args, "n32") ||
T.getEnvironment() == llvm::Triple::GNUABIN32)
return "elf32ltsmipn32";
return "elf64ltsmip";
case llvm::Triple::systemz:
@ -1855,6 +1857,10 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
"mips64el-linux-gnu", "mips-mti-linux-gnu", "mips-img-linux-gnu",
"mips64el-linux-gnuabi64"};
static const char *const MIPSN32LibDirs[] = {"/lib32"};
static const char *const MIPSN32Triples[] = {"mips64-linux-gnuabin32"};
static const char *const MIPSN32ELLibDirs[] = {"/lib32"};
static const char *const MIPSN32ELTriples[] = {"mips64el-linux-gnuabin32"};
static const char *const PPCLibDirs[] = {"/lib32", "/lib"};
static const char *const PPCTriples[] = {
@ -2051,6 +2057,8 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
TripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
BiarchLibDirs.append(begin(MIPS64LibDirs), end(MIPS64LibDirs));
BiarchTripleAliases.append(begin(MIPS64Triples), end(MIPS64Triples));
BiarchLibDirs.append(begin(MIPSN32LibDirs), end(MIPSN32LibDirs));
BiarchTripleAliases.append(begin(MIPSN32Triples), end(MIPSN32Triples));
break;
case llvm::Triple::mipsel:
LibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs));
@ -2058,18 +2066,24 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
TripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
BiarchLibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs));
BiarchTripleAliases.append(begin(MIPS64ELTriples), end(MIPS64ELTriples));
BiarchLibDirs.append(begin(MIPSN32ELLibDirs), end(MIPSN32ELLibDirs));
BiarchTripleAliases.append(begin(MIPSN32ELTriples), end(MIPSN32ELTriples));
break;
case llvm::Triple::mips64:
LibDirs.append(begin(MIPS64LibDirs), end(MIPS64LibDirs));
TripleAliases.append(begin(MIPS64Triples), end(MIPS64Triples));
BiarchLibDirs.append(begin(MIPSLibDirs), end(MIPSLibDirs));
BiarchTripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
BiarchLibDirs.append(begin(MIPSN32LibDirs), end(MIPSN32LibDirs));
BiarchTripleAliases.append(begin(MIPSN32Triples), end(MIPSN32Triples));
break;
case llvm::Triple::mips64el:
LibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs));
TripleAliases.append(begin(MIPS64ELTriples), end(MIPS64ELTriples));
BiarchLibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs));
BiarchTripleAliases.append(begin(MIPSELTriples), end(MIPSELTriples));
BiarchLibDirs.append(begin(MIPSN32ELLibDirs), end(MIPSN32ELLibDirs));
BiarchTripleAliases.append(begin(MIPSN32ELTriples), end(MIPSN32ELTriples));
BiarchTripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
break;
case llvm::Triple::ppc:

29
clang/lib/Driver/ToolChains/Linux.cpp
View File

@ -44,6 +44,9 @@ static std::string getMultiarchTriple(const Driver &D,
llvm::Triple::EnvironmentType TargetEnvironment =
TargetTriple.getEnvironment();
bool IsAndroid = TargetTriple.isAndroid();
std::string Mips64Abi = "gnuabi64";
if (TargetEnvironment == llvm::Triple::GNUABIN32)
Mips64Abi = "gnuabin32";
// For most architectures, just use whatever we have rather than trying to be
// clever.
@ -112,18 +115,14 @@ static std::string getMultiarchTriple(const Driver &D,
return "mipsel-linux-gnu";
break;
case llvm::Triple::mips64:
if (D.getVFS().exists(SysRoot + "/lib/mips64-linux-gnu"))
return "mips64-linux-gnu";
if (D.getVFS().exists(SysRoot + "/lib/mips64-linux-gnuabi64"))
return "mips64-linux-gnuabi64";
if (D.getVFS().exists(SysRoot + "/lib/mips64-linux-" + Mips64Abi))
return "mips64-linux-" + Mips64Abi;
break;
case llvm::Triple::mips64el:
if (IsAndroid)
return "mips64el-linux-android";
if (D.getVFS().exists(SysRoot + "/lib/mips64el-linux-gnu"))
return "mips64el-linux-gnu";
if (D.getVFS().exists(SysRoot + "/lib/mips64el-linux-gnuabi64"))
return "mips64el-linux-gnuabi64";
if (D.getVFS().exists(SysRoot + "/lib/mips64el-linux-" + Mips64Abi))
return "mips64el-linux-" + Mips64Abi;
break;
case llvm::Triple::ppc:
if (D.getVFS().exists(SysRoot + "/lib/powerpc-linux-gnuspe"))
@ -702,6 +701,10 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
const StringRef MIPS64ELMultiarchIncludeDirs[] = {
"/usr/include/mips64el-linux-gnu",
"/usr/include/mips64el-linux-gnuabi64"};
const StringRef MIPSN32MultiarchIncludeDirs[] = {
"/usr/include/mips64-linux-gnuabin32"};
const StringRef MIPSN32ELMultiarchIncludeDirs[] = {
"/usr/include/mips64el-linux-gnuabin32"};
const StringRef PPCMultiarchIncludeDirs[] = {
"/usr/include/powerpc-linux-gnu",
"/usr/include/powerpc-linux-gnuspe"};
@ -748,10 +751,16 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
MultiarchIncludeDirs = MIPSELMultiarchIncludeDirs;
break;
case llvm::Triple::mips64:
MultiarchIncludeDirs = MIPS64MultiarchIncludeDirs;
if (getTriple().getEnvironment() == llvm::Triple::GNUABIN32)
MultiarchIncludeDirs = MIPSN32MultiarchIncludeDirs;
else
MultiarchIncludeDirs = MIPS64MultiarchIncludeDirs;
break;
case llvm::Triple::mips64el:
MultiarchIncludeDirs = MIPS64ELMultiarchIncludeDirs;
if (getTriple().getEnvironment() == llvm::Triple::GNUABIN32)
MultiarchIncludeDirs = MIPSN32ELMultiarchIncludeDirs;
else
MultiarchIncludeDirs = MIPS64ELMultiarchIncludeDirs;
break;
case llvm::Triple::ppc:
MultiarchIncludeDirs = PPCMultiarchIncludeDirs;

1
clang/test/CodeGen/atomics-inlining.c
View File

@ -3,6 +3,7 @@
// RUN: %clang_cc1 -triple powerpc64-linux-gnu -emit-llvm %s -o - | FileCheck %s -check-prefix=PPC64
// RUN: %clang_cc1 -triple mipsel-linux-gnu -emit-llvm %s -o - | FileCheck %s -check-prefix=MIPS32
// RUN: %clang_cc1 -triple mips64el-linux-gnu -emit-llvm %s -o - | FileCheck %s -check-prefix=MIPS64
// RUN: %clang_cc1 -triple mips64el-linux-gnuabi64 -emit-llvm %s -o - | FileCheck %s -check-prefix=MIPS64
// RUN: %clang_cc1 -triple sparc-unknown-eabi -emit-llvm %s -o - | FileCheck %s -check-prefix=SPARCV8 -check-prefix=SPARC
// RUN: %clang_cc1 -triple sparcv9-unknown-eabi -emit-llvm %s -o - | FileCheck %s -check-prefix=SPARCV9 -check-prefix=SPARC

4
clang/test/CodeGen/mips-zero-sized-struct.c
View File

@ -2,8 +2,12 @@
// RUN: %clang_cc1 -triple mipsel-unknown-linux-gnu -S -emit-llvm -o - %s | FileCheck -check-prefix=O32 %s
// RUN: %clang_cc1 -triple mips64-unknown-linux-gnu -S -emit-llvm -o - %s -target-abi n32 | FileCheck -check-prefix=N32 %s
// RUN: %clang_cc1 -triple mips64el-unknown-linux-gnu -S -emit-llvm -o - %s -target-abi n32 | FileCheck -check-prefix=N32 %s
// RUN: %clang_cc1 -triple mips64-unknown-linux-gnuabin32 -S -emit-llvm -o - %s | FileCheck -check-prefix=N32 %s
// RUN: %clang_cc1 -triple mips64el-unknown-linux-gnuabin32 -S -emit-llvm -o - %s | FileCheck -check-prefix=N32 %s
// RUN: %clang_cc1 -triple mips64-unknown-linux-gnu -S -emit-llvm -o - %s | FileCheck -check-prefix=N64 %s
// RUN: %clang_cc1 -triple mips64el-unknown-linux-gnu -S -emit-llvm -o - %s | FileCheck -check-prefix=N64 %s
// RUN: %clang_cc1 -triple mips64-unknown-linux-gnuabi64 -S -emit-llvm -o - %s | FileCheck -check-prefix=N64 %s
// RUN: %clang_cc1 -triple mips64el-unknown-linux-gnuabi64 -S -emit-llvm -o - %s | FileCheck -check-prefix=N64 %s
// O32: define void @fn28(%struct.T2* noalias sret %agg.result, i8 signext %arg0)
// N32: define void @fn28(i8 signext %arg0)

12
clang/test/CodeGen/target-data.c
View File

@ -42,18 +42,30 @@
// RUN: FileCheck %s -check-prefix=MIPS-64EL
// MIPS-64EL: target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128"
// RUN: %clang_cc1 -triple mips64el-linux-gnuabi64 -o - -emit-llvm %s | \
// RUN: FileCheck %s -check-prefix=MIPS-64EL
// RUN: %clang_cc1 -triple mips64el-linux-gnu -o - -emit-llvm -target-abi n32 \
// RUN: %s | FileCheck %s -check-prefix=MIPS-64EL-N32
// MIPS-64EL-N32: target datalayout = "e-m:e-p:32:32-i8:8:32-i16:16:32-i64:64-n32:64-S128"
// RUN: %clang_cc1 -triple mips64el-linux-gnuabin32 -o - -emit-llvm \
// RUN: %s | FileCheck %s -check-prefix=MIPS-64EL-N32
// RUN: %clang_cc1 -triple mips64-linux-gnu -o - -emit-llvm %s | \
// RUN: FileCheck %s -check-prefix=MIPS-64EB
// MIPS-64EB: target datalayout = "E-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128"
// RUN: %clang_cc1 -triple mips64-linux-gnuabi64 -o - -emit-llvm %s | \
// RUN: FileCheck %s -check-prefix=MIPS-64EB
// RUN: %clang_cc1 -triple mips64-linux-gnu -o - -emit-llvm %s -target-abi n32 \
// RUN: | FileCheck %s -check-prefix=MIPS-64EB-N32
// MIPS-64EB-N32: target datalayout = "E-m:e-p:32:32-i8:8:32-i16:16:32-i64:64-n32:64-S128"
// RUN: %clang_cc1 -triple mips64-linux-gnuabin32 -o - -emit-llvm %s \
// RUN: | FileCheck %s -check-prefix=MIPS-64EB-N32
// RUN: %clang_cc1 -triple powerpc64-lv2 -o - -emit-llvm %s | \
// RUN: FileCheck %s -check-prefix=PS3
// PS3: target datalayout = "E-m:e-p:32:32-i64:64-n32:64"

8
clang/test/CodeGen/xray-attributes-supported.cpp
View File

@ -11,6 +11,14 @@
// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - \
// RUN: -triple mips64el-unknown-linux-gnu | FileCheck %s
// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - \
// RUN: -triple mips64-unknown-linux-gnuabi64 | FileCheck %s
// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - \
// RUN: -triple mips64el-unknown-linux-gnuabi64 | FileCheck %s
// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - \
// RUN: -triple mips64-unknown-linux-gnuabin32 | FileCheck %s
// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - \
// RUN: -triple mips64el-unknown-linux-gnuabin32 | FileCheck %s
// RUN: %clang_cc1 %s -fxray-instrument -std=c++11 -x c++ -emit-llvm -o - \
// RUN: -triple powerpc64le-unknown-linux-gnu | FileCheck %s
// Make sure that the LLVM attribute for XRay-annotated functions do show up.

32
clang/test/Driver/clang-translation.c
View File

@ -330,6 +330,38 @@
// MIPS64EL: "-target-cpu" "mips64r2"
// MIPS64EL: "-mfloat-abi" "hard"
// RUN: %clang -target mips64-linux-gnuabi64 -### -S %s 2>&1 | \
// RUN: FileCheck -check-prefix=MIPS64-GNUABI64 %s
// MIPS64-GNUABI64: clang
// MIPS64-GNUABI64: "-cc1"
// MIPS64-GNUABI64: "-target-cpu" "mips64r2"
// MIPS64-GNUABI64: "-target-abi" "n64"
// MIPS64-GNUABI64: "-mfloat-abi" "hard"
// RUN: %clang -target mips64el-linux-gnuabi64 -### -S %s 2>&1 | \
// RUN: FileCheck -check-prefix=MIPS64EL-GNUABI64 %s
// MIPS64EL-GNUABI64: clang
// MIPS64EL-GNUABI64: "-cc1"
// MIPS64EL-GNUABI64: "-target-cpu" "mips64r2"
// MIPS64EL-GNUABI64: "-target-abi" "n64"
// MIPS64EL-GNUABI64: "-mfloat-abi" "hard"
// RUN: %clang -target mips64-linux-gnuabin32 -### -S %s 2>&1 | \
// RUN: FileCheck -check-prefix=MIPSN32 %s
// MIPSN32: clang
// MIPSN32: "-cc1"
// MIPSN32: "-target-cpu" "mips64r2"
// MIPSN32: "-target-abi" "n32"
// MIPSN32: "-mfloat-abi" "hard"
// RUN: %clang -target mips64el-linux-gnuabin32 -### -S %s 2>&1 | \
// RUN: FileCheck -check-prefix=MIPSN32EL %s
// MIPSN32EL: clang
// MIPSN32EL: "-cc1"
// MIPSN32EL: "-target-cpu" "mips64r2"
// MIPSN32EL: "-target-abi" "n32"
// MIPSN32EL: "-mfloat-abi" "hard"
// RUN: %clang -target mips64el-linux-android -### -S %s 2>&1 | \
// RUN: FileCheck -check-prefix=MIPS64EL-ANDROID %s
// MIPS64EL-ANDROID: clang

14
clang/test/Driver/linux-ld.c
View File

@ -990,6 +990,20 @@
// CHECK-ANDROID-HASH-STYLE-M: "{{.*}}ld{{(.exe)?}}"
// CHECK-ANDROID-HASH-STYLE-M: "--hash-style=gnu"
//
// RUN: %clang %s -### -o %t.o 2>&1 --target=mips64-linux-gnuabin32 \
// RUN: | FileCheck --check-prefix=CHECK-MIPS64EL-GNUABIN32 %s
// CHECK-MIPS64EL-GNUABIN32: "{{.*}}ld{{(.exe)?}}"
// CHECK-MIPS64EL-GNUABIN32: "-m" "elf32btsmipn32"
// CHECK-MIPS64EL-GNUABIN32: "-dynamic-linker" "{{.*}}/lib{{(32)?}}/ld.so.1"
// CHECK-MIPS64EL-GNUABIN32-NOT: "--hash-style={{gnu|both}}"
//
// RUN: %clang %s -### -o %t.o 2>&1 --target=mips64-linux-gnuabi64 \
// RUN: | FileCheck --check-prefix=CHECK-MIPS64EL-GNUABI64 %s
// CHECK-MIPS64EL-GNUABI64: "{{.*}}ld{{(.exe)?}}"
// CHECK-MIPS64EL-GNUABI64: "-m" "elf64btsmip"
// CHECK-MIPS64EL-GNUABI64: "-dynamic-linker" "{{.*}}/lib{{(64)?}}/ld.so.1"
// CHECK-MIPS64EL-GNUABI64-NOT: "--hash-style={{gnu|both}}"
//
// RUN: %clang %s -### -o %t.o 2>&1 \
// RUN: --target=sparc-unknown-linux-gnu \
// RUN: | FileCheck --check-prefix=CHECK-SPARCV8 %s