forked from OSchip/llvm-project
454 lines
15 KiB
C++
454 lines
15 KiB
C++
//===--- Targets.cpp - Implement -arch option and targets -----------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by Chris Lattner and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the -arch command line option and creates a TargetInfo
|
|
// that represents them.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "clang.h"
|
|
#include "clang/AST/Builtins.h"
|
|
#include "clang/Basic/Diagnostic.h"
|
|
#include "clang/Basic/TargetInfo.h"
|
|
#include "llvm/Support/CommandLine.h"
|
|
using namespace clang;
|
|
|
|
/// Note: a hard coded list of targets is clearly silly, these should be
|
|
/// dynamicly registered and loadable with "-load".
|
|
enum SupportedTargets {
|
|
target_ppc, target_ppc64,
|
|
target_i386, target_x86_64,
|
|
target_linux_i386
|
|
};
|
|
|
|
static llvm::cl::list<SupportedTargets>
|
|
Archs("arch", llvm::cl::desc("Architectures to compile for"),
|
|
llvm::cl::values(clEnumValN(target_ppc, "ppc", "32-bit Darwin PowerPC"),
|
|
clEnumValN(target_ppc64, "ppc64", "64-bit Darwin PowerPC"),
|
|
clEnumValN(target_i386, "i386", "32-bit Darwin X86"),
|
|
clEnumValN(target_x86_64, "x86_64","64-bit Darwin X86"),
|
|
clEnumValN(target_linux_i386,"linux", "Linux i386"),
|
|
clEnumValEnd));
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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 TargetInfoImpl {
|
|
public:
|
|
virtual void getTargetDefines(std::vector<char> &Defs) const {
|
|
Define(Defs, "__APPLE__");
|
|
Define(Defs, "__MACH__");
|
|
|
|
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__");
|
|
}
|
|
|
|
};
|
|
} // 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");
|
|
} 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, "__CHAR_BIT__", "8");
|
|
Define(Defs, "__INT_MAX__", "2147483647");
|
|
Define(Defs, "__LONG_LONG_MAX__", "9223372036854775807LL");
|
|
Define(Defs, "__SCHAR_MAX__", "127");
|
|
Define(Defs, "__SHRT_MAX__", "32767");
|
|
Define(Defs, "__SIZE_TYPE__", "long unsigned int");
|
|
|
|
// 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");
|
|
}
|
|
|
|
/// PPC builtin info.
|
|
namespace PPC {
|
|
enum {
|
|
LastTIBuiltin = Builtin::FirstTSBuiltin-1,
|
|
#define BUILTIN(ID, TYPE, ATTRS) BI##ID,
|
|
#include "PPCBuiltins.def"
|
|
LastTSBuiltin
|
|
};
|
|
|
|
static const Builtin::Info BuiltinInfo[] = {
|
|
#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS },
|
|
#include "PPCBuiltins.def"
|
|
};
|
|
|
|
static void getBuiltins(const Builtin::Info *&Records, unsigned &NumRecords) {
|
|
Records = BuiltinInfo;
|
|
NumRecords = LastTSBuiltin-Builtin::FirstTSBuiltin;
|
|
}
|
|
} // End namespace PPC
|
|
|
|
|
|
/// X86 builtin info.
|
|
namespace X86 {
|
|
enum {
|
|
LastTIBuiltin = Builtin::FirstTSBuiltin-1,
|
|
#define BUILTIN(ID, TYPE, ATTRS) BI##ID,
|
|
#include "X86Builtins.def"
|
|
LastTSBuiltin
|
|
};
|
|
|
|
static const Builtin::Info BuiltinInfo[] = {
|
|
#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS },
|
|
#include "X86Builtins.def"
|
|
};
|
|
|
|
static void getBuiltins(const Builtin::Info *&Records, unsigned &NumRecords) {
|
|
Records = BuiltinInfo;
|
|
NumRecords = LastTSBuiltin-Builtin::FirstTSBuiltin;
|
|
}
|
|
} // End namespace X86
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Specific target implementations.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
|
namespace {
|
|
class DarwinPPCTargetInfo : public DarwinTargetInfo {
|
|
public:
|
|
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);
|
|
}
|
|
};
|
|
} // end anonymous namespace.
|
|
|
|
namespace {
|
|
class DarwinPPC64TargetInfo : public DarwinTargetInfo {
|
|
public:
|
|
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);
|
|
}
|
|
};
|
|
} // end anonymous namespace.
|
|
|
|
namespace {
|
|
class DarwinI386TargetInfo : public DarwinTargetInfo {
|
|
public:
|
|
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);
|
|
}
|
|
};
|
|
} // end anonymous namespace.
|
|
|
|
namespace {
|
|
class DarwinX86_64TargetInfo : public DarwinTargetInfo {
|
|
public:
|
|
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);
|
|
}
|
|
};
|
|
} // end anonymous namespace.
|
|
|
|
namespace {
|
|
class LinuxTargetInfo : public DarwinTargetInfo {
|
|
public:
|
|
LinuxTargetInfo() {
|
|
// Note: I have no idea if this is right, just for testing.
|
|
WCharWidth = 16;
|
|
WCharAlign = 16;
|
|
}
|
|
|
|
virtual void getTargetDefines(std::vector<char> &Defines) const {
|
|
// TODO: linux-specific stuff.
|
|
getX86Defines(Defines, false);
|
|
}
|
|
virtual void getTargetBuiltins(const Builtin::Info *&Records,
|
|
unsigned &NumRecords) const {
|
|
X86::getBuiltins(Records, NumRecords);
|
|
}
|
|
};
|
|
} // end anonymous namespace.
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Driver code
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
/// CreateTarget - Create the TargetInfoImpl object for the specified target
|
|
/// enum value.
|
|
static TargetInfoImpl *CreateTarget(SupportedTargets T) {
|
|
switch (T) {
|
|
default: assert(0 && "Unknown target!");
|
|
case target_ppc: return new DarwinPPCTargetInfo();
|
|
case target_ppc64: return new DarwinPPC64TargetInfo();
|
|
case target_i386: return new DarwinI386TargetInfo();
|
|
case target_x86_64: return new DarwinX86_64TargetInfo();
|
|
case target_linux_i386: return new LinuxTargetInfo();
|
|
}
|
|
}
|
|
|
|
/// CreateTargetInfo - Return the set of target info objects as specified by
|
|
/// the -arch command line option.
|
|
TargetInfo *clang::CreateTargetInfo(Diagnostic &Diags) {
|
|
// If the user didn't specify at least one architecture, auto-sense the
|
|
// current host. TODO: This is a hack. :)
|
|
if (Archs.empty()) {
|
|
#ifndef __APPLE__
|
|
// Assume non-apple = i386 for now.
|
|
Archs.push_back(target_i386);
|
|
#elif (defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)) && \
|
|
defined(__ppc64__)
|
|
Archs.push_back(target_ppc64);
|
|
#elif defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
|
|
Archs.push_back(target_ppc);
|
|
#elif defined(__x86_64__)
|
|
Archs.push_back(target_x86_64);
|
|
#elif defined(__i386__) || defined(i386) || defined(_M_IX86)
|
|
Archs.push_back(target_i386);
|
|
#else
|
|
// Don't know what this is!
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
// Create the primary target and target info.
|
|
TargetInfo *TI = new TargetInfo(CreateTarget(Archs[0]), &Diags);
|
|
|
|
// Add all secondary targets.
|
|
for (unsigned i = 1, e = Archs.size(); i != e; ++i)
|
|
TI->AddSecondaryTarget(CreateTarget(Archs[i]));
|
|
return TI;
|
|
}
|