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llvm-project/clang/lib/Basic/Targets.cpp

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//===--- 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/TargetInfo.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/APFloat.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');
}
static void getSolarisDefines(std::vector<char> &Defs) {
Define(Defs, "__SUN__");
Define(Defs, "__SOLARIS__");
}
static void getDarwinDefines(std::vector<char> &Defs) {
Define(Defs, "__APPLE__");
Define(Defs, "__MACH__");
if (0) // darwin_pascal_strings
Define(Defs, "__PASCAL_STRINGS__");
}
static void getDragonFlyDefines(std::vector<char> &Defs) {
// DragonFly defines; list based off of gcc output
Define(Defs, "__DragonFly__");
Define(Defs, "__DragonFly_cc_version", "100001");
Define(Defs, "__ELF__");
Define(Defs, "__KPRINTF_ATTRIBUTE__");
Define(Defs, "__tune_i386__");
Define(Defs, "unix");
Define(Defs, "__unix");
Define(Defs, "__unix__");
}
static void getLinuxDefines(std::vector<char> &Defs) {
// Linux defines; list based off of gcc output
Define(Defs, "__unix__");
Define(Defs, "__unix");
Define(Defs, "unix");
Define(Defs, "__linux__");
Define(Defs, "__linux");
Define(Defs, "linux");
Define(Defs, "__gnu_linux__");
}
/// 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");
} 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__", "long 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");
}
/// getARMDefines - Return a set of the ARM-specific #defines that are
/// not tied to a specific subtarget.
static void getARMDefines(std::vector<char> &Defs) {
// Target identification.
Define(Defs, "__arm");
Define(Defs, "__arm__");
// Target properties.
Define(Defs, "__LITTLE_ENDIAN__");
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__", "long 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. [hard coded to v6 for now]
Define(Defs, "__ARM_ARCH_6K__");
Define(Defs, "__ARMEL__");
Define(Defs, "__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__", "20000");
Define(Defs, "__WCHAR_MAX__", "2147483647");
Define(Defs, "__WCHAR_TYPE__", "int");
Define(Defs, "__WINT_TYPE__", "int");
Define(Defs, "__DECIMAL_DIG__", "17");
Define(Defs, "__FLT_RADIX__", "2");
// 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");
// 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");
// 64-bit Long double macros (same as double).
Define(Defs, "__LDBL_DENORM_MIN__", "4.9406564584124654e-324");
Define(Defs, "__LDBL_DIG__", "15");
Define(Defs, "__LDBL_EPSILON__", "2.2204460492503131e-16");
Define(Defs, "__LDBL_HAS_INFINITY__");
Define(Defs, "__LDBL_HAS_QUIET_NAN__");
Define(Defs, "__LDBL_MANT_DIG__", "53");
Define(Defs, "__LDBL_MAX_10_EXP__", "308");
Define(Defs, "__LDBL_MAX_EXP__", "1024");
Define(Defs, "__LDBL_MAX__", "1.7976931348623157e+308");
Define(Defs, "__LDBL_MIN_10_EXP__", "(-307)");
Define(Defs, "__LDBL_MIN_EXP__", "(-1021)");
Define(Defs, "__LDBL_MIN__", "2.2250738585072014e-308");
}
//===----------------------------------------------------------------------===//
// Specific target implementations.
//===----------------------------------------------------------------------===//
namespace {
// PPC abstract base class
class PPCTargetInfo : public TargetInfo {
static const Builtin::Info BuiltinInfo[];
static const char * const GCCRegNames[];
static const TargetInfo::GCCRegAlias GCCRegAliases[];
public:
PPCTargetInfo(const std::string& triple) : TargetInfo(triple) {
CharIsSigned = false;
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {
Records = BuiltinInfo;
NumRecords = clang::PPC::LastTSBuiltin-Builtin::FirstTSBuiltin;
}
virtual const char *getVAListDeclaration() const {
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];";
}
virtual const char *getTargetPrefix() const {
return "ppc";
}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const;
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const;
virtual bool validateAsmConstraint(char c,
TargetInfo::ConstraintInfo &info) const {
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;
}
}
virtual const char *getClobbers() const {
return "";
}
};
const Builtin::Info PPCTargetInfo::BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS },
#include "clang/AST/PPCBuiltins.def"
};
const char * const PPCTargetInfo::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"
};
void PPCTargetInfo::getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
Names = GCCRegNames;
NumNames = llvm::array_lengthof(GCCRegNames);
}
const TargetInfo::GCCRegAlias PPCTargetInfo::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" },
};
void PPCTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {
Aliases = GCCRegAliases;
NumAliases = llvm::array_lengthof(GCCRegAliases);
}
} // end anonymous namespace.
namespace {
class PPC32TargetInfo : public PPCTargetInfo {
public:
PPC32TargetInfo(const std::string& triple) : PPCTargetInfo(triple) {
DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-v128:128:128";
}
virtual void getTargetDefines(std::vector<char> &Defines) const {
getPowerPCDefines(Defines, false);
}
};
} // end anonymous namespace.
namespace {
class PPC64TargetInfo : public PPCTargetInfo {
public:
PPC64TargetInfo(const std::string& triple) : PPCTargetInfo(triple) {
LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
DescriptionString = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-v128:128:128";
}
virtual void getTargetDefines(std::vector<char> &Defines) const {
getPowerPCDefines(Defines, true);
}
};
} // end anonymous namespace.
namespace {
class DarwinPPCTargetInfo : public PPC32TargetInfo {
public:
DarwinPPCTargetInfo(const std::string& triple) : PPC32TargetInfo(triple) {}
virtual void getTargetDefines(std::vector<char> &Defines) const {
PPC32TargetInfo::getTargetDefines(Defines);
getDarwinDefines(Defines);
}
virtual bool useNeXTRuntimeAsDefault() const { return true; }
};
} // end anonymous namespace.
namespace {
class DarwinPPC64TargetInfo : public PPC64TargetInfo {
public:
DarwinPPC64TargetInfo(const std::string& triple) : PPC64TargetInfo(triple) {}
virtual void getTargetDefines(std::vector<char> &Defines) const {
PPC64TargetInfo::getTargetDefines(Defines);
getDarwinDefines(Defines);
}
virtual bool useNeXTRuntimeAsDefault() const { return true; }
};
} // end anonymous namespace.
namespace {
// Namespace for x86 abstract base class
const Builtin::Info BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS },
#include "clang/AST/X86Builtins.def"
};
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"
};
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" },
{ { "edi", "rdi" }, "di" },
{ { "esp", "rsp" }, "sp" },
{ { "ebp", "rbp" }, "bp" },
};
// X86 target abstract base class; x86-32 and x86-64 are very close, so
// most of the implementation can be shared.
class X86TargetInfo : public TargetInfo {
public:
X86TargetInfo(const std::string& triple) : TargetInfo(triple) {
LongDoubleFormat = &llvm::APFloat::x87DoubleExtended;
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {
Records = BuiltinInfo;
NumRecords = clang::X86::LastTSBuiltin-Builtin::FirstTSBuiltin;
}
virtual const char *getTargetPrefix() const {
return "x86";
}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
Names = GCCRegNames;
NumNames = llvm::array_lengthof(GCCRegNames);
}
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {
Aliases = GCCRegAliases;
NumAliases = llvm::array_lengthof(GCCRegAliases);
}
virtual bool validateAsmConstraint(char c,
TargetInfo::ConstraintInfo &info) const;
virtual std::string convertConstraint(const char Constraint) const;
virtual const char *getClobbers() const {
return "~{dirflag},~{fpsr},~{flags}";
}
};
bool
X86TargetInfo::validateAsmConstraint(char c,
TargetInfo::ConstraintInfo &info) const {
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': // Any register accessible as [r]l: a, b, c, and d.
case 'Q': // Any register accessible as [r]h: a, b, c, and d.
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;
}
}
std::string
X86TargetInfo::convertConstraint(const char Constraint) const {
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);
}
}
} // end anonymous namespace
namespace {
// X86-32 generic target
class X86_32TargetInfo : public X86TargetInfo {
public:
X86_32TargetInfo(const std::string& triple) : X86TargetInfo(triple) {
DoubleAlign = LongLongAlign = 32;
LongDoubleWidth = 96;
LongDoubleAlign = 32;
DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-"
"a0:0:64-f80:32:32";
}
virtual const char *getVAListDeclaration() const {
return "typedef char* __builtin_va_list;";
}
virtual void getTargetDefines(std::vector<char> &Defines) const {
getX86Defines(Defines, false);
}
};
} // end anonymous namespace
namespace {
// x86-32 Darwin (OS X) target
class DarwinI386TargetInfo : public X86_32TargetInfo {
public:
DarwinI386TargetInfo(const std::string& triple) : X86_32TargetInfo(triple) {
LongDoubleWidth = 128;
LongDoubleAlign = 128;
DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-"
"a0:0:64-f80:128:128";
}
virtual void getTargetDefines(std::vector<char> &Defines) const {
X86_32TargetInfo::getTargetDefines(Defines);
getDarwinDefines(Defines);
}
virtual bool useNeXTRuntimeAsDefault() const { return true; }
};
} // end anonymous namespace
namespace {
// x86-32 DragonFly target
class DragonFlyX86_32TargetInfo : public X86_32TargetInfo {
public:
DragonFlyX86_32TargetInfo(const std::string& triple) : X86_32TargetInfo(triple) {
}
virtual void getTargetDefines(std::vector<char> &Defines) const {
X86_32TargetInfo::getTargetDefines(Defines);
getDragonFlyDefines(Defines);
}
};
} // end anonymous namespace
namespace {
// x86-32 Linux target
class LinuxX86_32TargetInfo : public X86_32TargetInfo {
public:
LinuxX86_32TargetInfo(const std::string& triple) : X86_32TargetInfo(triple) {
}
virtual void getTargetDefines(std::vector<char> &Defines) const {
X86_32TargetInfo::getTargetDefines(Defines);
getLinuxDefines(Defines);
}
};
} // end anonymous namespace
namespace {
// x86-32 Windows target
class WindowsX86_32TargetInfo : public X86_32TargetInfo {
public:
WindowsX86_32TargetInfo(const std::string& triple)
: X86_32TargetInfo(triple) {
// FIXME: Fix wchar_t.
// FIXME: We should probably enable -fms-extensions by default for
// this target.
}
virtual void getTargetDefines(std::vector<char> &Defines) const {
X86_32TargetInfo::getTargetDefines(Defines);
// This list is based off of the the list of things MingW defines
Define(Defines, "__WIN32__");
Define(Defines, "__WIN32");
Define(Defines, "_WIN32");
Define(Defines, "WIN32");
Define(Defines, "__WINNT__");
Define(Defines, "__WINNT");
Define(Defines, "WINNT");
Define(Defines, "_X86_");
Define(Defines, "__MSVCRT__");
}
};
} // end anonymous namespace
namespace {
// x86-64 generic target
class X86_64TargetInfo : public X86TargetInfo {
public:
X86_64TargetInfo(const std::string& triple) : X86TargetInfo(triple) {
LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
LongDoubleWidth = 128;
LongDoubleAlign = 128;
DescriptionString = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-"
"a0:0:64-f80:128:128";
}
virtual const char *getVAListDeclaration() const {
return "typedef struct __va_list_tag {"
" unsigned gp_offset;"
" unsigned fp_offset;"
" void* overflow_arg_area;"
" void* reg_save_area;"
"} __builtin_va_list[1];";
}
virtual void getTargetDefines(std::vector<char> &Defines) const {
getX86Defines(Defines, true);
}
};
} // end anonymous namespace
namespace {
// x86-64 Darwin (OS X) target
class DarwinX86_64TargetInfo : public X86_64TargetInfo {
public:
DarwinX86_64TargetInfo(const std::string& triple) :
X86_64TargetInfo(triple) {}
virtual void getTargetDefines(std::vector<char> &Defines) const {
X86_64TargetInfo::getTargetDefines(Defines);
getDarwinDefines(Defines);
}
virtual bool useNeXTRuntimeAsDefault() const { return true; }
};
} // end anonymous namespace.
namespace {
class ARMTargetInfo : public TargetInfo {
public:
ARMTargetInfo(const std::string& triple) : TargetInfo(triple) {
// FIXME: Are the defaults correct for ARM?
DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:64";
}
virtual void getTargetDefines(std::vector<char> &Defines) const {
getARMDefines(Defines);
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {
// FIXME: Implement.
Records = 0;
NumRecords = 0;
}
virtual const char *getVAListDeclaration() const {
return "typedef char* __builtin_va_list;";
}
virtual const char *getTargetPrefix() const {
return "arm";
}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
// FIXME: Implement.
Names = 0;
NumNames = 0;
}
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {
// FIXME: Implement.
Aliases = 0;
NumAliases = 0;
}
virtual bool validateAsmConstraint(char c,
TargetInfo::ConstraintInfo &info) const {
// FIXME: Check if this is complete
switch (c) {
default:
case 'l': // r0-r7
case 'h': // r8-r15
case 'w': // VFP Floating point register single precision
case 'P': // VFP Floating point register double precision
info = (TargetInfo::ConstraintInfo)(info|TargetInfo::CI_AllowsRegister);
return true;
}
return false;
}
virtual const char *getClobbers() const {
// FIXME: Is this really right?
return "";
}
};
} // end anonymous namespace.
namespace {
class DarwinARMTargetInfo : public ARMTargetInfo {
public:
DarwinARMTargetInfo(const std::string& triple) : ARMTargetInfo(triple) {}
virtual void getTargetDefines(std::vector<char> &Defines) const {
ARMTargetInfo::getTargetDefines(Defines);
getDarwinDefines(Defines);
}
};
} // end anonymous namespace.
namespace {
class SparcV8TargetInfo : public TargetInfo {
public:
SparcV8TargetInfo(const std::string& triple) : TargetInfo(triple) {
// FIXME: Support Sparc quad-precision long double?
DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-v64:64:64";
}
virtual void getTargetDefines(std::vector<char> &Defines) const {
// FIXME: This is missing a lot of important defines; some of the
// missing stuff is likely to break system headers.
Define(Defines, "__sparc");
Define(Defines, "__sparc__");
Define(Defines, "__sparcv8");
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {
// FIXME: Implement!
}
virtual const char *getVAListDeclaration() const {
return "typedef void* __builtin_va_list;";
}
virtual const char *getTargetPrefix() const {
return "sparc";
}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
// FIXME: Implement!
Names = 0;
NumNames = 0;
}
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {
// FIXME: Implement!
Aliases = 0;
NumAliases = 0;
}
virtual bool validateAsmConstraint(char c,
TargetInfo::ConstraintInfo &info) const {
// FIXME: Implement!
return false;
}
virtual const char *getClobbers() const {
// FIXME: Implement!
return "";
}
};
} // end anonymous namespace.
namespace {
class SolarisSparcV8TargetInfo : public SparcV8TargetInfo {
public:
SolarisSparcV8TargetInfo(const std::string& triple) :
SparcV8TargetInfo(triple) {}
virtual void getTargetDefines(std::vector<char> &Defines) const {
SparcV8TargetInfo::getTargetDefines(Defines);
getSolarisDefines(Defines);
}
};
} // end anonymous namespace.
namespace {
class PIC16TargetInfo : public TargetInfo{
public:
PIC16TargetInfo(const std::string& triple) : TargetInfo(triple) {
// FIXME: Is IntAlign really supposed to be 16? There seems
// little point on a platform with 8-bit loads.
IntWidth = IntAlign = LongAlign = LongLongAlign = PointerWidth = 16;
PointerAlign = 8;
DescriptionString = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8";
}
virtual uint64_t getPointerWidthV(unsigned AddrSpace) const { return 16; }
virtual uint64_t getPointerAlignV(unsigned AddrSpace) const { return 8; }
virtual void getTargetDefines(std::vector<char> &Defines) const {
Define(Defines, "__pic16");
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {}
virtual const char *getVAListDeclaration() const { return "";}
virtual const char *getClobbers() const {return "";}
virtual const char *getTargetPrefix() const {return "";}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {}
virtual bool validateAsmConstraint(char c,
TargetInfo::ConstraintInfo &info) const {
return true;
}
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {}
virtual bool useGlobalsForAutomaticVariables() const {return true;}
};
}
//===----------------------------------------------------------------------===//
// 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) {
// OS detection; this isn't really anywhere near complete.
// Additions and corrections are welcome.
bool isDarwin = T.find("-darwin") != std::string::npos;
bool isDragonFly = T.find("-dragonfly") != std::string::npos;
bool isSolaris = T.find("-solaris") != std::string::npos;
bool isLinux = T.find("-linux") != std::string::npos;
bool isWindows = T.find("-windows") != std::string::npos ||
T.find("-win32") != std::string::npos ||
T.find("-mingw") != std::string::npos;
if (T.find("ppc-") == 0 || T.find("powerpc-") == 0) {
if (isDarwin)
return new DarwinPPCTargetInfo(T);
return new PPC32TargetInfo(T);
}
if (T.find("ppc64-") == 0 || T.find("powerpc64-") == 0) {
if (isDarwin)
return new DarwinPPC64TargetInfo(T);
return new PPC64TargetInfo(T);
}
if (T.find("armv6-") == 0 || T.find("arm-") == 0) {
if (isDarwin)
return new DarwinARMTargetInfo(T);
return new ARMTargetInfo(T);
}
if (T.find("sparc-") == 0) {
if (isSolaris)
return new SolarisSparcV8TargetInfo(T);
return new SparcV8TargetInfo(T);
}
if (T.find("x86_64-") == 0) {
if (isDarwin)
return new DarwinX86_64TargetInfo(T);
return new X86_64TargetInfo(T);
}
if (T.find("pic16-") == 0)
return new PIC16TargetInfo(T);
if (IsX86(T)) {
if (isDarwin)
return new DarwinI386TargetInfo(T);
if (isLinux)
return new LinuxX86_32TargetInfo(T);
if (isDragonFly)
return new DragonFlyX86_32TargetInfo(T);
if (isWindows)
return new WindowsX86_32TargetInfo(T);
return new X86_32TargetInfo(T);
}
return NULL;
}
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