diff options
Diffstat (limited to 'lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp')
| -rw-r--r-- | lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp | 238 |
1 files changed, 32 insertions, 206 deletions
diff --git a/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp b/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp index 0e7b4e5..0946326 100644 --- a/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp +++ b/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp @@ -55,143 +55,6 @@ std::string X86_MC::ParseX86Triple(StringRef TT) { return FS; } -/// GetCpuIDAndInfo - Execute the specified cpuid and return the 4 values in the -/// specified arguments. If we can't run cpuid on the host, return true. -bool X86_MC::GetCpuIDAndInfo(unsigned value, unsigned *rEAX, - unsigned *rEBX, unsigned *rECX, unsigned *rEDX) { -#if defined(__x86_64__) || defined(_M_AMD64) || defined (_M_X64) - #if defined(__GNUC__) - // gcc doesn't know cpuid would clobber ebx/rbx. Preseve it manually. - asm ("movq\t%%rbx, %%rsi\n\t" - "cpuid\n\t" - "xchgq\t%%rbx, %%rsi\n\t" - : "=a" (*rEAX), - "=S" (*rEBX), - "=c" (*rECX), - "=d" (*rEDX) - : "a" (value)); - return false; - #elif defined(_MSC_VER) - int registers[4]; - __cpuid(registers, value); - *rEAX = registers[0]; - *rEBX = registers[1]; - *rECX = registers[2]; - *rEDX = registers[3]; - return false; - #else - return true; - #endif -#elif defined(i386) || defined(__i386__) || defined(__x86__) || defined(_M_IX86) - #if defined(__GNUC__) - asm ("movl\t%%ebx, %%esi\n\t" - "cpuid\n\t" - "xchgl\t%%ebx, %%esi\n\t" - : "=a" (*rEAX), - "=S" (*rEBX), - "=c" (*rECX), - "=d" (*rEDX) - : "a" (value)); - return false; - #elif defined(_MSC_VER) - __asm { - mov eax,value - cpuid - mov esi,rEAX - mov dword ptr [esi],eax - mov esi,rEBX - mov dword ptr [esi],ebx - mov esi,rECX - mov dword ptr [esi],ecx - mov esi,rEDX - mov dword ptr [esi],edx - } - return false; - #else - return true; - #endif -#else - return true; -#endif -} - -/// GetCpuIDAndInfoEx - Execute the specified cpuid with subleaf and return the -/// 4 values in the specified arguments. If we can't run cpuid on the host, -/// return true. -bool X86_MC::GetCpuIDAndInfoEx(unsigned value, unsigned subleaf, unsigned *rEAX, - unsigned *rEBX, unsigned *rECX, unsigned *rEDX) { -#if defined(__x86_64__) || defined(_M_AMD64) || defined (_M_X64) - #if defined(__GNUC__) - // gcc desn't know cpuid would clobber ebx/rbx. Preseve it manually. - asm ("movq\t%%rbx, %%rsi\n\t" - "cpuid\n\t" - "xchgq\t%%rbx, %%rsi\n\t" - : "=a" (*rEAX), - "=S" (*rEBX), - "=c" (*rECX), - "=d" (*rEDX) - : "a" (value), - "c" (subleaf)); - return false; - #elif defined(_MSC_VER) - int registers[4]; - __cpuidex(registers, value, subleaf); - *rEAX = registers[0]; - *rEBX = registers[1]; - *rECX = registers[2]; - *rEDX = registers[3]; - return false; - #else - return true; - #endif -#elif defined(i386) || defined(__i386__) || defined(__x86__) || defined(_M_IX86) - #if defined(__GNUC__) - asm ("movl\t%%ebx, %%esi\n\t" - "cpuid\n\t" - "xchgl\t%%ebx, %%esi\n\t" - : "=a" (*rEAX), - "=S" (*rEBX), - "=c" (*rECX), - "=d" (*rEDX) - : "a" (value), - "c" (subleaf)); - return false; - #elif defined(_MSC_VER) - __asm { - mov eax,value - mov ecx,subleaf - cpuid - mov esi,rEAX - mov dword ptr [esi],eax - mov esi,rEBX - mov dword ptr [esi],ebx - mov esi,rECX - mov dword ptr [esi],ecx - mov esi,rEDX - mov dword ptr [esi],edx - } - return false; - #else - return true; - #endif -#else - return true; -#endif -} - -void X86_MC::DetectFamilyModel(unsigned EAX, unsigned &Family, - unsigned &Model) { - Family = (EAX >> 8) & 0xf; // Bits 8 - 11 - Model = (EAX >> 4) & 0xf; // Bits 4 - 7 - if (Family == 6 || Family == 0xf) { - if (Family == 0xf) - // Examine extended family ID if family ID is F. - Family += (EAX >> 20) & 0xff; // Bits 20 - 27 - // Examine extended model ID if family ID is 6 or F. - Model += ((EAX >> 16) & 0xf) << 4; // Bits 16 - 19 - } -} - unsigned X86_MC::getDwarfRegFlavour(Triple TT, bool isEH) { if (TT.getArch() == Triple::x86_64) return DWARFFlavour::X86_64; @@ -344,24 +207,6 @@ static MCCodeGenInfo *createX86MCCodeGenInfo(StringRef TT, Reloc::Model RM, return X; } -static MCStreamer *createMCStreamer(const Target &T, StringRef TT, - MCContext &Ctx, MCAsmBackend &MAB, - raw_ostream &_OS, MCCodeEmitter *_Emitter, - const MCSubtargetInfo &STI, bool RelaxAll) { - Triple TheTriple(TT); - - switch (TheTriple.getObjectFormat()) { - default: llvm_unreachable("unsupported object format"); - case Triple::MachO: - return createMachOStreamer(Ctx, MAB, _OS, _Emitter, RelaxAll); - case Triple::COFF: - assert(TheTriple.isOSWindows() && "only Windows COFF is supported"); - return createX86WinCOFFStreamer(Ctx, MAB, _Emitter, _OS, RelaxAll); - case Triple::ELF: - return createELFStreamer(Ctx, MAB, _OS, _Emitter, RelaxAll); - } -} - static MCInstPrinter *createX86MCInstPrinter(const Target &T, unsigned SyntaxVariant, const MCAsmInfo &MAI, @@ -392,61 +237,42 @@ static MCInstrAnalysis *createX86MCInstrAnalysis(const MCInstrInfo *Info) { // Force static initialization. extern "C" void LLVMInitializeX86TargetMC() { - // Register the MC asm info. - RegisterMCAsmInfoFn A(TheX86_32Target, createX86MCAsmInfo); - RegisterMCAsmInfoFn B(TheX86_64Target, createX86MCAsmInfo); - - // Register the MC codegen info. - RegisterMCCodeGenInfoFn C(TheX86_32Target, createX86MCCodeGenInfo); - RegisterMCCodeGenInfoFn D(TheX86_64Target, createX86MCCodeGenInfo); - - // Register the MC instruction info. - TargetRegistry::RegisterMCInstrInfo(TheX86_32Target, createX86MCInstrInfo); - TargetRegistry::RegisterMCInstrInfo(TheX86_64Target, createX86MCInstrInfo); - - // Register the MC register info. - TargetRegistry::RegisterMCRegInfo(TheX86_32Target, createX86MCRegisterInfo); - TargetRegistry::RegisterMCRegInfo(TheX86_64Target, createX86MCRegisterInfo); - - // Register the MC subtarget info. - TargetRegistry::RegisterMCSubtargetInfo(TheX86_32Target, - X86_MC::createX86MCSubtargetInfo); - TargetRegistry::RegisterMCSubtargetInfo(TheX86_64Target, - X86_MC::createX86MCSubtargetInfo); - - // Register the MC instruction analyzer. - TargetRegistry::RegisterMCInstrAnalysis(TheX86_32Target, - createX86MCInstrAnalysis); - TargetRegistry::RegisterMCInstrAnalysis(TheX86_64Target, - createX86MCInstrAnalysis); - - // Register the code emitter. - TargetRegistry::RegisterMCCodeEmitter(TheX86_32Target, - createX86MCCodeEmitter); - TargetRegistry::RegisterMCCodeEmitter(TheX86_64Target, - createX86MCCodeEmitter); + for (Target *T : {&TheX86_32Target, &TheX86_64Target}) { + // Register the MC asm info. + RegisterMCAsmInfoFn X(*T, createX86MCAsmInfo); + + // Register the MC codegen info. + RegisterMCCodeGenInfoFn Y(*T, createX86MCCodeGenInfo); + + // Register the MC instruction info. + TargetRegistry::RegisterMCInstrInfo(*T, createX86MCInstrInfo); + + // Register the MC register info. + TargetRegistry::RegisterMCRegInfo(*T, createX86MCRegisterInfo); + + // Register the MC subtarget info. + TargetRegistry::RegisterMCSubtargetInfo(*T, + X86_MC::createX86MCSubtargetInfo); + + // Register the MC instruction analyzer. + TargetRegistry::RegisterMCInstrAnalysis(*T, createX86MCInstrAnalysis); + + // Register the code emitter. + TargetRegistry::RegisterMCCodeEmitter(*T, createX86MCCodeEmitter); + + // Register the object streamer. + TargetRegistry::RegisterCOFFStreamer(*T, createX86WinCOFFStreamer); + + // Register the MCInstPrinter. + TargetRegistry::RegisterMCInstPrinter(*T, createX86MCInstPrinter); + + // Register the MC relocation info. + TargetRegistry::RegisterMCRelocationInfo(*T, createX86MCRelocationInfo); + } // Register the asm backend. TargetRegistry::RegisterMCAsmBackend(TheX86_32Target, createX86_32AsmBackend); TargetRegistry::RegisterMCAsmBackend(TheX86_64Target, createX86_64AsmBackend); - - // Register the object streamer. - TargetRegistry::RegisterMCObjectStreamer(TheX86_32Target, - createMCStreamer); - TargetRegistry::RegisterMCObjectStreamer(TheX86_64Target, - createMCStreamer); - - // Register the MCInstPrinter. - TargetRegistry::RegisterMCInstPrinter(TheX86_32Target, - createX86MCInstPrinter); - TargetRegistry::RegisterMCInstPrinter(TheX86_64Target, - createX86MCInstPrinter); - - // Register the MC relocation info. - TargetRegistry::RegisterMCRelocationInfo(TheX86_32Target, - createX86MCRelocationInfo); - TargetRegistry::RegisterMCRelocationInfo(TheX86_64Target, - createX86MCRelocationInfo); } |