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Diffstat (limited to 'clang/lib/Basic/Targets.cpp')
| -rw-r--r-- | clang/lib/Basic/Targets.cpp | 757 |
1 files changed, 757 insertions, 0 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp new file mode 100644 index 00000000000..e8238daeae3 --- /dev/null +++ b/clang/lib/Basic/Targets.cpp @@ -0,0 +1,757 @@ +//===--- Targets.cpp - Implement -arch option and targets -----------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file implements construction of a TargetInfo object from a +// target triple. +// +//===----------------------------------------------------------------------===// + +#include "clang/AST/Builtins.h" +#include "clang/AST/TargetBuiltins.h" +#include "clang/Basic/Diagnostic.h" +#include "clang/Basic/TargetInfo.h" +#include "llvm/ADT/STLExtras.h" + +using namespace clang; + +//===----------------------------------------------------------------------===// +// Common code shared among targets. +//===----------------------------------------------------------------------===// + +static void Define(std::vector<char> &Buf, const char *Macro, + const char *Val = "1") { + const char *Def = "#define "; + Buf.insert(Buf.end(), Def, Def+strlen(Def)); + Buf.insert(Buf.end(), Macro, Macro+strlen(Macro)); + Buf.push_back(' '); + Buf.insert(Buf.end(), Val, Val+strlen(Val)); + Buf.push_back('\n'); +} + + +namespace { +class DarwinTargetInfo : public TargetInfo { +public: + DarwinTargetInfo(const std::string& triple) : TargetInfo(triple) {} + + virtual void getTargetDefines(std::vector<char> &Defs) const { +// FIXME: we need a real target configuration system. For now, only define +// __APPLE__ if the host has it. +#ifdef __APPLE__ + Define(Defs, "__APPLE__"); + Define(Defs, "__MACH__"); +#endif + + if (1) {// -fobjc-gc controls this. + Define(Defs, "__weak", ""); + Define(Defs, "__strong", ""); + } else { + Define(Defs, "__weak", "__attribute__((objc_gc(weak)))"); + Define(Defs, "__strong", "__attribute__((objc_gc(strong)))"); + Define(Defs, "__OBJC_GC__"); + } + + // darwin_constant_cfstrings controls this. + Define(Defs, "__CONSTANT_CFSTRINGS__"); + + if (0) // darwin_pascal_strings + Define(Defs, "__PASCAL_STRINGS__"); + } + +}; + + +class SolarisTargetInfo : public TargetInfo { +public: + SolarisTargetInfo(const std::string& triple) : TargetInfo(triple) {} + + virtual void getTargetDefines(std::vector<char> &Defs) const { +// FIXME: we need a real target configuration system. For now, only define +// __SUN__ if the host has it. +#ifdef __SUN__ + Define(Defs, "__SUN__"); + Define(Defs, "__SOLARIS__"); +#endif + + if (1) {// -fobjc-gc controls this. + Define(Defs, "__weak", ""); + Define(Defs, "__strong", ""); + } else { + Define(Defs, "__weak", "__attribute__((objc_gc(weak)))"); + Define(Defs, "__strong", "__attribute__((objc_gc(strong)))"); + Define(Defs, "__OBJC_GC__"); + } + } + +}; +} // end anonymous namespace. + + +/// getPowerPCDefines - Return a set of the PowerPC-specific #defines that are +/// not tied to a specific subtarget. +static void getPowerPCDefines(std::vector<char> &Defs, bool is64Bit) { + // Target identification. + Define(Defs, "__ppc__"); + Define(Defs, "_ARCH_PPC"); + Define(Defs, "__POWERPC__"); + if (is64Bit) { + Define(Defs, "_ARCH_PPC64"); + Define(Defs, "_LP64"); + Define(Defs, "__LP64__"); + Define(Defs, "__ppc64__"); + } else { + Define(Defs, "__ppc__"); + } + + // Target properties. + Define(Defs, "_BIG_ENDIAN"); + Define(Defs, "__BIG_ENDIAN__"); + + if (is64Bit) { + Define(Defs, "__INTMAX_MAX__", "9223372036854775807L"); + Define(Defs, "__INTMAX_TYPE__", "long int"); + Define(Defs, "__LONG_MAX__", "9223372036854775807L"); + Define(Defs, "__PTRDIFF_TYPE__", "long int"); + Define(Defs, "__UINTMAX_TYPE__", "long unsigned int"); + } else { + Define(Defs, "__INTMAX_MAX__", "9223372036854775807LL"); + Define(Defs, "__INTMAX_TYPE__", "long long int"); + Define(Defs, "__LONG_MAX__", "2147483647L"); + Define(Defs, "__PTRDIFF_TYPE__", "int"); + Define(Defs, "__UINTMAX_TYPE__", "long long unsigned int"); + } + Define(Defs, "__INT_MAX__", "2147483647"); + Define(Defs, "__LONG_LONG_MAX__", "9223372036854775807LL"); + Define(Defs, "__CHAR_BIT__", "8"); + Define(Defs, "__SCHAR_MAX__", "127"); + Define(Defs, "__SHRT_MAX__", "32767"); + Define(Defs, "__SIZE_TYPE__", "long unsigned int"); + + // Subtarget options. + Define(Defs, "__USER_LABEL_PREFIX__", "_"); + Define(Defs, "__NATURAL_ALIGNMENT__"); + Define(Defs, "__REGISTER_PREFIX__", ""); + + Define(Defs, "__WCHAR_MAX__", "2147483647"); + Define(Defs, "__WCHAR_TYPE__", "int"); + Define(Defs, "__WINT_TYPE__", "int"); + + // Float macros. + Define(Defs, "__FLT_DENORM_MIN__", "1.40129846e-45F"); + Define(Defs, "__FLT_DIG__", "6"); + Define(Defs, "__FLT_EPSILON__", "1.19209290e-7F"); + Define(Defs, "__FLT_EVAL_METHOD__", "0"); + Define(Defs, "__FLT_HAS_INFINITY__"); + Define(Defs, "__FLT_HAS_QUIET_NAN__"); + Define(Defs, "__FLT_MANT_DIG__", "24"); + Define(Defs, "__FLT_MAX_10_EXP__", "38"); + Define(Defs, "__FLT_MAX_EXP__", "128"); + Define(Defs, "__FLT_MAX__", "3.40282347e+38F"); + Define(Defs, "__FLT_MIN_10_EXP__", "(-37)"); + Define(Defs, "__FLT_MIN_EXP__", "(-125)"); + Define(Defs, "__FLT_MIN__", "1.17549435e-38F"); + Define(Defs, "__FLT_RADIX__", "2"); + + // double macros. + Define(Defs, "__DBL_DENORM_MIN__", "4.9406564584124654e-324"); + Define(Defs, "__DBL_DIG__", "15"); + Define(Defs, "__DBL_EPSILON__", "2.2204460492503131e-16"); + Define(Defs, "__DBL_HAS_INFINITY__"); + Define(Defs, "__DBL_HAS_QUIET_NAN__"); + Define(Defs, "__DBL_MANT_DIG__", "53"); + Define(Defs, "__DBL_MAX_10_EXP__", "308"); + Define(Defs, "__DBL_MAX_EXP__", "1024"); + Define(Defs, "__DBL_MAX__", "1.7976931348623157e+308"); + Define(Defs, "__DBL_MIN_10_EXP__", "(-307)"); + Define(Defs, "__DBL_MIN_EXP__", "(-1021)"); + Define(Defs, "__DBL_MIN__", "2.2250738585072014e-308"); + Define(Defs, "__DECIMAL_DIG__", "33"); + + // 128-bit long double macros. + Define(Defs, "__LDBL_DENORM_MIN__", + "4.94065645841246544176568792868221e-324L"); + Define(Defs, "__LDBL_DIG__", "31"); + Define(Defs, "__LDBL_EPSILON__", + "4.94065645841246544176568792868221e-324L"); + Define(Defs, "__LDBL_HAS_INFINITY__"); + Define(Defs, "__LDBL_HAS_QUIET_NAN__"); + Define(Defs, "__LDBL_MANT_DIG__", "106"); + Define(Defs, "__LDBL_MAX_10_EXP__", "308"); + Define(Defs, "__LDBL_MAX_EXP__", "1024"); + Define(Defs, "__LDBL_MAX__", + "1.79769313486231580793728971405301e+308L"); + Define(Defs, "__LDBL_MIN_10_EXP__", "(-291)"); + Define(Defs, "__LDBL_MIN_EXP__", "(-968)"); + Define(Defs, "__LDBL_MIN__", + "2.00416836000897277799610805135016e-292L"); + Define(Defs, "__LONG_DOUBLE_128__"); +} + +/// getX86Defines - Return a set of the X86-specific #defines that are +/// not tied to a specific subtarget. +static void getX86Defines(std::vector<char> &Defs, bool is64Bit) { + // Target identification. + if (is64Bit) { + Define(Defs, "_LP64"); + Define(Defs, "__LP64__"); + Define(Defs, "__amd64__"); + Define(Defs, "__amd64"); + Define(Defs, "__x86_64"); + Define(Defs, "__x86_64__"); + } else { + Define(Defs, "__i386__"); + Define(Defs, "__i386"); + Define(Defs, "i386"); + } + + // Target properties. + Define(Defs, "__LITTLE_ENDIAN__"); + + if (is64Bit) { + Define(Defs, "__INTMAX_MAX__", "9223372036854775807L"); + Define(Defs, "__INTMAX_TYPE__", "long int"); + Define(Defs, "__LONG_MAX__", "9223372036854775807L"); + Define(Defs, "__PTRDIFF_TYPE__", "long int"); + Define(Defs, "__UINTMAX_TYPE__", "long unsigned int"); + Define(Defs, "__SIZE_TYPE__", "long unsigned int"); + } else { + Define(Defs, "__INTMAX_MAX__", "9223372036854775807LL"); + Define(Defs, "__INTMAX_TYPE__", "long long int"); + Define(Defs, "__LONG_MAX__", "2147483647L"); + Define(Defs, "__PTRDIFF_TYPE__", "int"); + Define(Defs, "__UINTMAX_TYPE__", "long long unsigned int"); + Define(Defs, "__SIZE_TYPE__", "unsigned int"); + } + Define(Defs, "__CHAR_BIT__", "8"); + Define(Defs, "__INT_MAX__", "2147483647"); + Define(Defs, "__LONG_LONG_MAX__", "9223372036854775807LL"); + Define(Defs, "__SCHAR_MAX__", "127"); + Define(Defs, "__SHRT_MAX__", "32767"); + + // Subtarget options. + Define(Defs, "__nocona"); + Define(Defs, "__nocona__"); + Define(Defs, "__tune_nocona__"); + Define(Defs, "__SSE2_MATH__"); + Define(Defs, "__SSE2__"); + Define(Defs, "__SSE_MATH__"); + Define(Defs, "__SSE__"); + Define(Defs, "__MMX__"); + Define(Defs, "__REGISTER_PREFIX__", ""); + + Define(Defs, "__WCHAR_MAX__", "2147483647"); + Define(Defs, "__WCHAR_TYPE__", "int"); + Define(Defs, "__WINT_TYPE__", "int"); + + // Float macros. + Define(Defs, "__FLT_DENORM_MIN__", "1.40129846e-45F"); + Define(Defs, "__FLT_DIG__", "6"); + Define(Defs, "__FLT_EPSILON__", "1.19209290e-7F"); + Define(Defs, "__FLT_EVAL_METHOD__", "0"); + Define(Defs, "__FLT_HAS_INFINITY__"); + Define(Defs, "__FLT_HAS_QUIET_NAN__"); + Define(Defs, "__FLT_MANT_DIG__", "24"); + Define(Defs, "__FLT_MAX_10_EXP__", "38"); + Define(Defs, "__FLT_MAX_EXP__", "128"); + Define(Defs, "__FLT_MAX__", "3.40282347e+38F"); + Define(Defs, "__FLT_MIN_10_EXP__", "(-37)"); + Define(Defs, "__FLT_MIN_EXP__", "(-125)"); + Define(Defs, "__FLT_MIN__", "1.17549435e-38F"); + Define(Defs, "__FLT_RADIX__", "2"); + + // Double macros. + Define(Defs, "__DBL_DENORM_MIN__", "4.9406564584124654e-324"); + Define(Defs, "__DBL_DIG__", "15"); + Define(Defs, "__DBL_EPSILON__", "2.2204460492503131e-16"); + Define(Defs, "__DBL_HAS_INFINITY__"); + Define(Defs, "__DBL_HAS_QUIET_NAN__"); + Define(Defs, "__DBL_MANT_DIG__", "53"); + Define(Defs, "__DBL_MAX_10_EXP__", "308"); + Define(Defs, "__DBL_MAX_EXP__", "1024"); + Define(Defs, "__DBL_MAX__", "1.7976931348623157e+308"); + Define(Defs, "__DBL_MIN_10_EXP__", "(-307)"); + Define(Defs, "__DBL_MIN_EXP__", "(-1021)"); + Define(Defs, "__DBL_MIN__", "2.2250738585072014e-308"); + Define(Defs, "__DECIMAL_DIG__", "21"); + + // 80-bit Long double macros. + Define(Defs, "__LDBL_DENORM_MIN__", "3.64519953188247460253e-4951L"); + Define(Defs, "__LDBL_DIG__", "18"); + Define(Defs, "__LDBL_EPSILON__", "1.08420217248550443401e-19L"); + Define(Defs, "__LDBL_HAS_INFINITY__"); + Define(Defs, "__LDBL_HAS_QUIET_NAN__"); + Define(Defs, "__LDBL_MANT_DIG__", "64"); + Define(Defs, "__LDBL_MAX_10_EXP__", "4932"); + Define(Defs, "__LDBL_MAX_EXP__", "16384"); + Define(Defs, "__LDBL_MAX__", "1.18973149535723176502e+4932L"); + Define(Defs, "__LDBL_MIN_10_EXP__", "(-4931)"); + Define(Defs, "__LDBL_MIN_EXP__", "(-16381)"); + Define(Defs, "__LDBL_MIN__", "3.36210314311209350626e-4932L"); +} + +static const char* getI386VAListDeclaration() { + return "typedef char* __builtin_va_list;"; +} + +static const char* getX86_64VAListDeclaration() { + return + "typedef struct __va_list_tag {" + " unsigned gp_offset;" + " unsigned fp_offset;" + " void* overflow_arg_area;" + " void* reg_save_area;" + "} __builtin_va_list[1];"; +} + +static const char* getPPCVAListDeclaration() { + return + "typedef struct __va_list_tag {" + " unsigned char gpr;" + " unsigned char fpr;" + " unsigned short reserved;" + " void* overflow_arg_area;" + " void* reg_save_area;" + "} __builtin_va_list[1];"; +} + + +/// PPC builtin info. +namespace clang { +namespace PPC { + + static const Builtin::Info BuiltinInfo[] = { +#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS }, +#include "clang/AST/PPCBuiltins.def" + }; + + static void getBuiltins(const Builtin::Info *&Records, unsigned &NumRecords) { + Records = BuiltinInfo; + NumRecords = LastTSBuiltin-Builtin::FirstTSBuiltin; + } + + static const char * const GCCRegNames[] = { + "0", "1", "2", "3", "4", "5", "6", "7", + "8", "9", "10", "11", "12", "13", "14", "15", + "16", "17", "18", "19", "20", "21", "22", "23", + "24", "25", "26", "27", "28", "29", "30", "31", + "0", "1", "2", "3", "4", "5", "6", "7", + "8", "9", "10", "11", "12", "13", "14", "15", + "16", "17", "18", "19", "20", "21", "22", "23", + "24", "25", "26", "27", "28", "29", "30", "31", + "mq", "lr", "ctr", "ap", + "0", "1", "2", "3", "4", "5", "6", "7", + "xer", + "0", "1", "2", "3", "4", "5", "6", "7", + "8", "9", "10", "11", "12", "13", "14", "15", + "16", "17", "18", "19", "20", "21", "22", "23", + "24", "25", "26", "27", "28", "29", "30", "31", + "vrsave", "vscr", + "spe_acc", "spefscr", + "sfp" + }; + + static void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) { + Names = GCCRegNames; + NumNames = llvm::array_lengthof(GCCRegNames); + } + + static const TargetInfo::GCCRegAlias GCCRegAliases[] = { + // While some of these aliases do map to different registers + // they still share the same register name. + { { "cc", "cr0", "fr0", "r0", "v0"}, "0" }, + { { "cr1", "fr1", "r1", "sp", "v1"}, "1" }, + { { "cr2", "fr2", "r2", "toc", "v2"}, "2" }, + { { "cr3", "fr3", "r3", "v3"}, "3" }, + { { "cr4", "fr4", "r4", "v4"}, "4" }, + { { "cr5", "fr5", "r5", "v5"}, "5" }, + { { "cr6", "fr6", "r6", "v6"}, "6" }, + { { "cr7", "fr7", "r7", "v7"}, "7" }, + { { "fr8", "r8", "v8"}, "8" }, + { { "fr9", "r9", "v9"}, "9" }, + { { "fr10", "r10", "v10"}, "10" }, + { { "fr11", "r11", "v11"}, "11" }, + { { "fr12", "r12", "v12"}, "12" }, + { { "fr13", "r13", "v13"}, "13" }, + { { "fr14", "r14", "v14"}, "14" }, + { { "fr15", "r15", "v15"}, "15" }, + { { "fr16", "r16", "v16"}, "16" }, + { { "fr17", "r17", "v17"}, "17" }, + { { "fr18", "r18", "v18"}, "18" }, + { { "fr19", "r19", "v19"}, "19" }, + { { "fr20", "r20", "v20"}, "20" }, + { { "fr21", "r21", "v21"}, "21" }, + { { "fr22", "r22", "v22"}, "22" }, + { { "fr23", "r23", "v23"}, "23" }, + { { "fr24", "r24", "v24"}, "24" }, + { { "fr25", "r25", "v25"}, "25" }, + { { "fr26", "r26", "v26"}, "26" }, + { { "fr27", "r27", "v27"}, "27" }, + { { "fr28", "r28", "v28"}, "28" }, + { { "fr29", "r29", "v29"}, "29" }, + { { "fr30", "r30", "v30"}, "30" }, + { { "fr31", "r31", "v31"}, "31" }, + }; + + static void getGCCRegAliases(const TargetInfo::GCCRegAlias *&Aliases, + unsigned &NumAliases) { + Aliases = GCCRegAliases; + NumAliases = llvm::array_lengthof(GCCRegAliases); + } + + static bool validateAsmConstraint(char c, + TargetInfo::ConstraintInfo &info) { + switch (c) { + default: return false; + case 'O': // Zero + return true; + case 'b': // Base register + case 'f': // Floating point register + info = (TargetInfo::ConstraintInfo)(info|TargetInfo::CI_AllowsRegister); + return true; + } + } + + const char *getClobbers() { + return 0; + } + + const char *getTargetPrefix() { + return "ppc"; + } + +} // End namespace PPC + +/// X86 builtin info. +namespace X86 { + static const Builtin::Info BuiltinInfo[] = { +#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS }, +#include "clang/AST/X86Builtins.def" + }; + + static void getBuiltins(const Builtin::Info *&Records, unsigned &NumRecords) { + Records = BuiltinInfo; + NumRecords = LastTSBuiltin-Builtin::FirstTSBuiltin; + } + + static const char *GCCRegNames[] = { + "ax", "dx", "cx", "bx", "si", "di", "bp", "sp", + "st", "st(1)", "st(2)", "st(3)", "st(4)", "st(5)", "st(6)", "st(7)", + "argp", "flags", "fspr", "dirflag", "frame", + "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7", + "mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7", + "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", + "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15" + }; + + static void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) { + Names = GCCRegNames; + NumNames = llvm::array_lengthof(GCCRegNames); + } + + static const TargetInfo::GCCRegAlias GCCRegAliases[] = { + { { "al", "ah", "eax", "rax" }, "ax" }, + { { "bl", "bh", "ebx", "rbx" }, "bx" }, + { { "cl", "ch", "ecx", "rcx" }, "cx" }, + { { "dl", "dh", "edx", "rdx" }, "dx" }, + { { "esi", "rsi" }, "si" }, + { { "esp", "rsp" }, "sp" }, + { { "ebp", "rbp" }, "bp" }, + }; + + static void getGCCRegAliases(const TargetInfo::GCCRegAlias *&Aliases, + unsigned &NumAliases) { + Aliases = GCCRegAliases; + NumAliases = llvm::array_lengthof(GCCRegAliases); + } + + static bool validateAsmConstraint(char c, + TargetInfo::ConstraintInfo &info) { + switch (c) { + default: return false; + case 'a': // eax. + case 'b': // ebx. + case 'c': // ecx. + case 'd': // edx. + case 'S': // esi. + case 'D': // edi. + case 'A': // edx:eax. + case 't': // top of floating point stack. + case 'u': // second from top of floating point stack. + case 'q': // a, b, c, d registers or any integer register in 64-bit. + case 'Z': // 32-bit integer constant for use with zero-extending x86_64 + // instructions. + case 'N': // unsigned 8-bit integer constant for use with in and out + // instructions. + info = (TargetInfo::ConstraintInfo)(info|TargetInfo::CI_AllowsRegister); + return true; + } + } + + static std::string convertConstraint(const char Constraint) { + switch (Constraint) { + case 'a': return std::string("{ax}"); + case 'b': return std::string("{bx}"); + case 'c': return std::string("{cx}"); + case 'd': return std::string("{dx}"); + case 'S': return std::string("{si}"); + case 'D': return std::string("{di}"); + case 't': // top of floating point stack. + return std::string("{st}"); + case 'u': // second from top of floating point stack. + return std::string("{st(1)}"); // second from top of floating point stack. + default: + return std::string(1, Constraint); + } + } + + const char *getClobbers() { + return "~{dirflag},~{fpsr},~{flags}"; + } + + const char *getTargetPrefix() { + return "x86"; + } + +} // End namespace X86 +} // end namespace clang. + +//===----------------------------------------------------------------------===// +// Specific target implementations. +//===----------------------------------------------------------------------===// + + +namespace { +class DarwinPPCTargetInfo : public DarwinTargetInfo { +public: + DarwinPPCTargetInfo(const std::string& triple) : DarwinTargetInfo(triple) {} + + virtual void getTargetDefines(std::vector<char> &Defines) const { + DarwinTargetInfo::getTargetDefines(Defines); + getPowerPCDefines(Defines, false); + } + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + PPC::getBuiltins(Records, NumRecords); + } + virtual const char *getVAListDeclaration() const { + return getPPCVAListDeclaration(); + } + virtual const char *getTargetPrefix() const { + return PPC::getTargetPrefix(); + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + PPC::getGCCRegNames(Names, NumNames); + } + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + PPC::getGCCRegAliases(Aliases, NumAliases); + } + virtual bool validateAsmConstraint(char c, + TargetInfo::ConstraintInfo &info) const { + return PPC::validateAsmConstraint(c, info); + } + virtual const char *getClobbers() const { + return PPC::getClobbers(); + } +}; +} // end anonymous namespace. + +namespace { +class DarwinPPC64TargetInfo : public DarwinTargetInfo { +public: + DarwinPPC64TargetInfo(const std::string& triple) : DarwinTargetInfo(triple) {} + + virtual void getTargetDefines(std::vector<char> &Defines) const { + DarwinTargetInfo::getTargetDefines(Defines); + getPowerPCDefines(Defines, true); + } + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + PPC::getBuiltins(Records, NumRecords); + } + virtual const char *getVAListDeclaration() const { + return getPPCVAListDeclaration(); + } + virtual const char *getTargetPrefix() const { + return PPC::getTargetPrefix(); + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + PPC::getGCCRegNames(Names, NumNames); + } + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + PPC::getGCCRegAliases(Aliases, NumAliases); + } + virtual bool validateAsmConstraint(char c, + TargetInfo::ConstraintInfo &info) const { + return PPC::validateAsmConstraint(c, info); + } + virtual const char *getClobbers() const { + return PPC::getClobbers(); + } +}; +} // end anonymous namespace. + +namespace { +class DarwinI386TargetInfo : public DarwinTargetInfo { +public: + DarwinI386TargetInfo(const std::string& triple) : DarwinTargetInfo(triple) {} + + virtual void getTargetDefines(std::vector<char> &Defines) const { + DarwinTargetInfo::getTargetDefines(Defines); + getX86Defines(Defines, false); + } + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + X86::getBuiltins(Records, NumRecords); + } + virtual const char *getVAListDeclaration() const { + return getI386VAListDeclaration(); + } + virtual const char *getTargetPrefix() const { + return X86::getTargetPrefix(); + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + X86::getGCCRegNames(Names, NumNames); + } + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + X86::getGCCRegAliases(Aliases, NumAliases); + } + virtual bool validateAsmConstraint(char c, + TargetInfo::ConstraintInfo &info) const { + return X86::validateAsmConstraint(c, info); + } + + virtual std::string convertConstraint(const char Constraint) const { + return X86::convertConstraint(Constraint); + } + + virtual const char *getClobbers() const { + return X86::getClobbers(); + } +}; +} // end anonymous namespace. + +namespace { +class DarwinX86_64TargetInfo : public DarwinTargetInfo { +public: + DarwinX86_64TargetInfo(const std::string& triple) :DarwinTargetInfo(triple) {} + + virtual void getTargetDefines(std::vector<char> &Defines) const { + DarwinTargetInfo::getTargetDefines(Defines); + getX86Defines(Defines, true); + } + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + X86::getBuiltins(Records, NumRecords); + } + virtual const char *getVAListDeclaration() const { + return getX86_64VAListDeclaration(); + } + virtual const char *getTargetPrefix() const { + return X86::getTargetPrefix(); + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + X86::getGCCRegNames(Names, NumNames); + } + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + X86::getGCCRegAliases(Aliases, NumAliases); + } + virtual bool validateAsmConstraint(char c, + TargetInfo::ConstraintInfo &info) const { + return X86::validateAsmConstraint(c, info); + } + virtual std::string convertConstraint(const char Constraint) const { + return X86::convertConstraint(Constraint); + } + virtual const char *getClobbers() const { + return X86::getClobbers(); + } +}; +} // end anonymous namespace. + +namespace { +class SolarisSparcV8TargetInfo : public SolarisTargetInfo { +public: + SolarisSparcV8TargetInfo(const std::string& triple) : SolarisTargetInfo(triple) {} + + virtual void getTargetDefines(std::vector<char> &Defines) const { + SolarisTargetInfo::getTargetDefines(Defines); +// getSparcDefines(Defines, false); + Define(Defines, "__sparc"); + Define(Defines, "__sparcv8"); + } + virtual void getTargetBuiltins(const Builtin::Info *&Records, + unsigned &NumRecords) const { + PPC::getBuiltins(Records, NumRecords); + } + virtual const char *getVAListDeclaration() const { + return getPPCVAListDeclaration(); + } + virtual const char *getTargetPrefix() const { + return PPC::getTargetPrefix(); + } + virtual void getGCCRegNames(const char * const *&Names, + unsigned &NumNames) const { + PPC::getGCCRegNames(Names, NumNames); + } + virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, + unsigned &NumAliases) const { + PPC::getGCCRegAliases(Aliases, NumAliases); + } + virtual bool validateAsmConstraint(char c, + TargetInfo::ConstraintInfo &info) const { + return PPC::validateAsmConstraint(c, info); + } + virtual const char *getClobbers() const { + return PPC::getClobbers(); + } +}; + +} // end anonymous namespace. + + +//===----------------------------------------------------------------------===// +// Driver code +//===----------------------------------------------------------------------===// + +static inline bool IsX86(const std::string& TT) { + return (TT.size() >= 5 && TT[0] == 'i' && TT[2] == '8' && TT[3] == '6' && + TT[4] == '-' && TT[1] - '3' < 6); +} + +/// CreateTargetInfo - Return the target info object for the specified target +/// triple. +TargetInfo* TargetInfo::CreateTargetInfo(const std::string &T) { + if (T.find("ppc-") == 0 || T.find("powerpc-") == 0) + return new DarwinPPCTargetInfo(T); + + if (T.find("ppc64-") == 0 || T.find("powerpc64-") == 0) + return new DarwinPPC64TargetInfo(T); + + if (T.find("sparc-") == 0) + return new SolarisSparcV8TargetInfo(T); // ugly hack + + if (T.find("x86_64-") == 0) + return new DarwinX86_64TargetInfo(T); + + if (IsX86(T)) + return new DarwinI386TargetInfo(T); + + return NULL; +} + |
