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cdef.d
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cdef.d
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/**
* Compiler implementation of the
* $(LINK2 http://www.dlang.org, D programming language).
*
* Copyright: Copyright (C) 1985-1998 by Symantec
* Copyright (C) 2000-2019 by The D Language Foundation, All Rights Reserved
* Authors: $(LINK2 http://www.digitalmars.com, Walter Bright)
* License: $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost License 1.0)
* Source: $(LINK2 https://github.com/dlang/dmd/blob/master/src/dmd/backend/cdef.d, backend/_cdef.d)
*/
module dmd.backend.cdef;
// Online documentation: https://dlang.org/phobos/dmd_backend_cdef.html
import dmd.backend.cc: Classsym, Symbol, param_t, config;
import dmd.backend.el;
import dmd.backend.ty : I32;
import dmd.backend.dlist;
extern (C++):
@nogc:
nothrow:
enum VERSION = "9.00.0"; // for banner and imbedding in .OBJ file
enum VERSIONHEX = "0x900"; // for __DMC__ macro
enum VERSIONINT = 0x900; // for precompiled headers and DLL version
version (SCPP)
version = XVERSION;
version (SPP)
version = XVERSION;
version (HTOD)
version = XVERSION;
version (MARS)
version = XVERSION;
version (XVERSION)
{
extern (D) template xversion(string s)
{
enum xversion = mixin(`{ version (` ~ s ~ `) return true; else return false; }`)();
}
enum TARGET_LINUX = xversion!`linux`;
enum TARGET_OSX = xversion!`OSX`;
enum TARGET_FREEBSD = xversion!`FreeBSD`;
enum TARGET_OPENBSD = xversion!`OpenBSD`;
enum TARGET_SOLARIS = xversion!`Solaris`;
enum TARGET_WINDOS = xversion!`Windows`;
enum TARGET_DRAGONFLYBSD = xversion!`DragonFlyBSD`;
}
//
// Attributes
//
// Types of attributes
enum
{
ATTR_LINKMOD = 1, // link modifier
ATTR_TYPEMOD = 2, // basic type modifier
ATTR_FUNCINFO = 4, // function information
ATTR_DATAINFO = 8, // data information
ATTR_TRANSU = 0x10, // transparent union
ATTR_IGNORED = 0x20, // attribute can be ignored
ATTR_WARNING = 0x40, // attribute was ignored
ATTR_SEGMENT = 0x80, // segment secified
}
// attribute location in code
enum
{
ALOC_DECSTART = 1, // start of declaration
ALOC_SYMDEF = 2, // symbol defined
ALOC_PARAM = 4, // follows function parameter
ALOC_FUNC = 8, // follows function declaration
}
//#define ATTR_LINK_MODIFIERS (mTYconst|mTYvolatile|mTYcdecl|mTYstdcall)
//#define ATTR_CAN_IGNORE(a) (((a) & (ATTR_LINKMOD|ATTR_TYPEMOD|ATTR_FUNCINFO|ATTR_DATAINFO|ATTR_TRANSU)) == 0)
//#define LNX_CHECK_ATTRIBUTES(a,x) assert(((a) & ~(x|ATTR_IGNORED|ATTR_WARNING)) == 0)
version (_WINDLL)
enum SUFFIX = "nd";
else version (_WIN64)
enum SUFFIX = "a";
else version (Win32)
enum SUFFIX = "n";
else
enum SUFFIX = "";
// Generate cleanup code
enum TERMCODE = 0;
// C++ Language Features
enum ANGLE_BRACKET_HACK = 0; // >> means two template arglist closes
// C/C++ Language Features
enum IMPLIED_PRAGMA_ONCE = 1; // include guards count as #pragma once
enum bool HEADER_LIST = true;
// Support generating code for 16 bit memory models
version (SCPP)
enum SIXTEENBIT = TARGET_WINDOS != 0;
else
enum SIXTEENBIT = false;
/* Set for supporting the FLAT memory model.
* This is not quite the same as !SIXTEENBIT, as one could
* have near/far with 32 bit code.
*/
version (MARS)
enum TARGET_SEGMENTED = false;
else
enum TARGET_SEGMENTED = TARGET_WINDOS;
bool LDOUBLE() { return config.exe == EX_WIN32; } // support true long doubles
// NT structured exception handling
// 0: no support
// 1: old style
// 2: new style
enum NTEXCEPTIONS = 2;
// For Shared Code Base
//#if _WINDLL
//#define dbg_printf dll_printf
//#else
//#define dbg_printf printf
//#endif
//#ifndef ERRSTREAM
//#define ERRSTREAM stdout
//#endif
//#define err_printf printf
//#define err_vprintf vfprintf
//#define err_fputc fputc
//#define dbg_fputc fputc
//#define LF '\n'
//#define LF_STR "\n"
//#define CR '\r'
//#define ANSI config.ansi_c
//#define ANSI_STRICT config.ansi_c
//#define ANSI_RELAX config.ansi_c
//#define TRIGRAPHS ANSI
//#define T80x86(x) x
// For Share MEM_ macros - default to mem_xxx package
// PH precompiled header
// PARF parser, life of function
// PARC parser, life of compilation
// BEF back end, function
// BEC back end, compilation
//#define MEM_PH_FREE mem_free
//#define MEM_PARF_FREE mem_free
//#define MEM_PARC_FREE mem_free
//#define MEM_BEF_FREE mem_free
//#define MEM_BEC_FREE mem_free
//#define MEM_PH_CALLOC mem_calloc
//#define MEM_PARC_CALLOC mem_calloc
//#define MEM_PARF_CALLOC mem_calloc
//#define MEM_BEF_CALLOC mem_calloc
//#define MEM_BEC_CALLOC mem_calloc
//#define MEM_PH_MALLOC mem_malloc
//#define MEM_PARC_MALLOC mem_malloc
//#define MEM_PARF_MALLOC mem_malloc
//#define MEM_BEF_MALLOC mem_malloc
//#define MEM_BEC_MALLOC mem_malloc
//#define MEM_PH_STRDUP mem_strdup
//#define MEM_PARC_STRDUP mem_strdup
//#define MEM_PARF_STRDUP mem_strdup
//#define MEM_BEF_STRDUP mem_strdup
//#define MEM_BEC_STRDUP mem_strdup
//#define MEM_PH_REALLOC mem_realloc
//#define MEM_PARC_REALLOC mem_realloc
//#define MEM_PARF_REALLOC mem_realloc
//#define MEM_PERM_REALLOC mem_realloc
//#define MEM_BEF_REALLOC mem_realloc
//#define MEM_BEC_REALLOC mem_realloc
//#define MEM_PH_FREEFP mem_freefp
//#define MEM_PARC_FREEFP mem_freefp
//#define MEM_PARF_FREEFP mem_freefp
//#define MEM_BEF_FREEFP mem_freefp
//#define MEM_BEC_FREEFP mem_freefp
// If we can use 386 instruction set (possible in 16 bit code)
//#define I386 (config.target_cpu >= TARGET_80386)
// If we are generating 32 bit code
//#if MARS
//#define I16 0 // no 16 bit code for D
//#define I32 (NPTRSIZE == 4)
//#define I64 (NPTRSIZE == 8) // 1 if generating 64 bit code
//#else
//#define I16 (NPTRSIZE == 2)
//#define I32 (NPTRSIZE == 4)
//#define I64 (NPTRSIZE == 8) // 1 if generating 64 bit code
//#endif
/**********************************
* Limits & machine dependent stuff.
*/
/* Define stuff that's different between VAX and IBMPC.
* HOSTBYTESWAPPED TRUE if on the host machine the bytes are
* swapped (TRUE for 6809, 68000, FALSE for 8088
* and VAX).
*/
enum EXIT_BREAK = 255; // aborted compile with ^C
/* Take advantage of machines that can store a word, lsb first */
//#if _M_I86 // if Intel processor
//#define TOWORD(ptr,val) (*(unsigned short *)(ptr) = (unsigned short)(val))
//#define TOLONG(ptr,val) (*(unsigned *)(ptr) = (unsigned)(val))
//#else
//#define TOWORD(ptr,val) (((ptr)[0] = (unsigned char)(val)),\
// ((ptr)[1] = (unsigned char)((val) >> 8)))
//#define TOLONG(ptr,val) (((ptr)[0] = (unsigned char)(val)),\
// ((ptr)[1] = (unsigned char)((val) >> 8)),\
// ((ptr)[2] = (unsigned char)((val) >> 16)),\
// ((ptr)[3] = (unsigned char)((val) >> 24)))
//#endif
//
//#define TOOFFSET(a,b) (I32 ? TOLONG(a,b) : TOWORD(a,b))
/***************************
* Target machine data types as they appear on the host.
*/
import core.stdc.stdint : int64_t, uint64_t;
alias targ_char = byte;
alias targ_uchar = ubyte;
alias targ_schar = byte;
alias targ_short = short;
alias targ_ushort= ushort;
alias targ_long = int;
alias targ_ulong = uint;
alias targ_llong = int64_t;
alias targ_ullong = uint64_t;
alias targ_float = float;
alias targ_double = double;
public import dmd.root.longdouble : targ_ldouble = longdouble;
// Extract most significant register from constant
int REGSIZE();
ulong MSREG(ulong p) { return (REGSIZE == 2) ? p >> 16 : ((targ_llong.sizeof == 8) ? p >> 32 : 0); }
alias targ_int = int;
alias targ_uns = uint;
/* Sizes of base data types in bytes */
enum
{
CHARSIZE = 1,
SHORTSIZE = 2,
WCHARSIZE = 2, // 2 for WIN32, 4 for linux/OSX/FreeBSD/OpenBSD/DragonFlyBSD/Solaris
LONGSIZE = 4,
LLONGSIZE = 8,
CENTSIZE = 16,
FLOATSIZE = 4,
DOUBLESIZE = 8,
TMAXSIZE = 16, // largest size a constant can be
}
//#define intsize _tysize[TYint]
//#define REGSIZE _tysize[TYnptr]
//@property @nogc nothrow auto NPTRSIZE() { return _tysize[TYnptr]; }
//#define FPTRSIZE _tysize[TYfptr]
enum REGMASK = 0xFFFF;
// targ_llong is also used to store host pointers, so it should have at least their size
version (SCPP)
{
// No 64 bit support yet
alias targ_ptrdiff_t = targ_int; // ptrdiff_t for target machine
alias targ_size_t = targ_uns; // size_t for the target machine
}
else version (SPP)
{
alias targ_ptrdiff_t = targ_int; // ptrdiff_t for target machine
alias targ_size_t = targ_uns; // size_t for the target machine
}
else version (HTOD)
{
alias targ_ptrdiff_t = targ_int; // ptrdiff_t for target machine
alias targ_size_t = targ_uns; // size_t for the target machine
}
else
{
// Support 64 bit targets
alias targ_ptrdiff_t = int64_t; // ptrdiff_t for target machine
alias targ_size_t = uint64_t; // size_t for the target machine
}
/* Enable/disable various features
(Some features may no longer work the old way when compiled out,
I don't test the old ways once the new way is set.)
*/
//#define NEWTEMPMANGLE (!(config.flags4 & CFG4oldtmangle)) // do new template mangling
//#define USEDLLSHELL _WINDLL
bool MFUNC() { return I32 != 0; } // && config.exe == EX_WIN32) // member functions are TYmfunc
enum CV3 = 0; // 1 means support CV3 debug format
/* Object module format
*/
//#ifndef OMFOBJ
//#define OMFOBJ TARGET_WINDOS
//#endif
enum ELFOBJ = TARGET_LINUX || TARGET_FREEBSD || TARGET_OPENBSD || TARGET_DRAGONFLYBSD || TARGET_SOLARIS;
enum MACHOBJ = TARGET_OSX;
version (XVERSION)
{
enum SYMDEB_CODEVIEW = TARGET_WINDOS;
enum SYMDEB_DWARF = TARGET_LINUX || TARGET_FREEBSD || TARGET_OPENBSD || TARGET_DRAGONFLYBSD || TARGET_SOLARIS || TARGET_OSX;
}
//#define TOOLKIT_H
enum
{
Smodel = 0, // 64k code, 64k data, or flat model
Mmodel = 1, // large code, 64k data
Cmodel = 2, // 64k code, large data
Lmodel = 3, // large code, large data
Vmodel = 4, // large code, large data, vcm
}
version (MARS)
enum MEMMODELS = 1; // number of memory models
else
enum MEMMODELS = 5;
/* Segments */
enum
{
CODE = 1, // code segment
DATA = 2, // initialized data
CDATA = 3, // constant data
UDATA = 4, // uninitialized data
CDATAREL = 5, // constant data with relocs
UNKNOWN = -1, // unknown segment
DGROUPIDX = 1, // group index of DGROUP
}
enum REGMAX = 29; // registers are numbered 0..10
alias tym_t = uint; // data type big enough for type masks
alias SYMIDX = int; // symbol table index
version (MARS)
{
}
else
{
version (_WINDLL)
{
/* We reference the required Windows-1252 encoding of the copyright symbol
by escaping its character code (0xA9) rather than directly embedding it in
the source text. The character code is invalid in UTF-8, which causes some
of our source-code preprocessing tools (e.g. tolf) to choke.
*/
enum COPYRIGHT_SYMBOL = "\xA9";
enum COPYRIGHT = "Copyright " ~ COPYRIGHT_SYMBOL ~ " 2001 Digital Mars";
}
else
{
debug
{
enum COPYRIGHT = "Copyright (C) Digital Mars 2000-2019. All Rights Reserved.
Written by Walter Bright
*****BETA TEST VERSION*****";
}
else
{
version (linux)
{
enum COPYRIGHT = "Copyright (C) Digital Mars 2000-2019. All Rights Reserved.
Written by Walter Bright, Linux version by Pat Nelson";
}
else
{
enum COPYRIGHT = "Copyright (C) Digital Mars 2000-2019. All Rights Reserved.
Written by Walter Bright";
}
}
}
}
/**********************************
* Configuration
*/
/* Linkage type */
enum linkage_t
{
LINK_C, /* C style */
LINK_CPP, /* C++ style */
LINK_PASCAL, /* Pascal style */
LINK_FORTRAN,
LINK_SYSCALL,
LINK_STDCALL,
LINK_D, // D code
LINK_MAXDIM /* array dimension */
}
/**********************************
* Exception handling method
*/
enum EHmethod
{
EH_NONE, // no exception handling
EH_SEH, // SEH __try, __except, __finally only
EH_WIN32, // Win32 SEH
EH_WIN64, // Win64 SEH (not supported yet)
EH_DM, // Digital Mars method
EH_DWARF, // Dwarf method
}
// CPU target
alias cpu_target_t = byte;
enum
{
TARGET_8086 = 0,
TARGET_80286 = 2,
TARGET_80386 = 3,
TARGET_80486 = 4,
TARGET_Pentium = 5,
TARGET_PentiumMMX = 6,
TARGET_PentiumPro = 7,
TARGET_PentiumII = 8,
}
// Symbolic debug info
alias symbolic_debug_t = byte;
enum
{
CVNONE = 0, // No symbolic info
CVOLD = 1, // Codeview 1 symbolic info
CV4 = 2, // Codeview 4 symbolic info
CVSYM = 3, // Symantec format
CVTDB = 4, // Symantec format written to file
CVDWARF_C = 5, // Dwarf in C format
CVDWARF_D = 6, // Dwarf in D format
CVSTABS = 7, // Elf Stabs in C format
CV8 = 8, // Codeview 8 symbolic info
}
// Windows code gen flags
alias windows_flags_t = uint;
enum
{
WFwindows = 1, // generating code for Windows app or DLL
WFdll = 2, // generating code for Windows DLL
WFincbp = 4, // mark far stack frame with inc BP / dec BP
WFloadds = 8, // assume __loadds for all functions
WFexpdef = 0x10, // generate export definition records for
// exported functions
WFss = 0x20, // load DS from SS
WFreduced = 0x40, // skip DS load for non-exported functions
WFdgroup = 0x80, // load DS from DGROUP
WFexport = 0x100, // assume __export for all far functions
WFds = 0x200, // load DS from DS
WFmacros = 0x400, // define predefined windows macros
WFssneds = 0x800, // SS != DS
WFthunk = 0x1000, // use fixups instead of direct ref to CS
WFsaveds = 0x2000, // use push/pop DS for far functions
WFdsnedgroup = 0x4000, // DS != DGROUP
WFexe = 0x8000, // generating code for Windows EXE
}
// Object file format
alias objfmt_t = uint;
enum
{
OBJ_OMF = 1,
OBJ_MSCOFF = 2,
OBJ_ELF = 4,
OBJ_MACH = 8,
}
// Executable file format
alias exefmt_t = uint;
enum
{
EX_DOSX = 1, // DOSX 386 program
EX_ZPM = 2, // ZPM 286 program
EX_RATIONAL = 4, // RATIONAL 286 program
EX_PHARLAP = 8, // PHARLAP 386 program
EX_COM = 0x10, // MSDOS .COM program
// EX_WIN16 = 0x20, // Windows 3.x 16 bit program (no longer supported)
EX_OS2 = 0x40, // OS/2 2.0 32 bit program
EX_OS1 = 0x80, // OS/2 1.x 16 bit program
EX_WIN32 = 0x100,
EX_MZ = 0x200, // MSDOS real mode program
EX_XENIX = 0x400,
EX_SCOUNIX = 0x800,
EX_UNIXSVR4 = 0x1000,
EX_LINUX = 0x2000,
EX_WIN64 = 0x4000, // AMD64 and Windows (64 bit mode)
EX_LINUX64 = 0x8000, // AMD64 and Linux (64 bit mode)
EX_OSX = 0x10000,
EX_OSX64 = 0x20000,
EX_FREEBSD = 0x40000,
EX_FREEBSD64 = 0x80000,
EX_SOLARIS = 0x100000,
EX_SOLARIS64 = 0x200000,
EX_OPENBSD = 0x400000,
EX_OPENBSD64 = 0x800000,
EX_DRAGONFLYBSD64 = 0x1000000,
}
// All flat memory models (no segment registers)
enum exefmt_t EX_flat = EX_OS2 | EX_WIN32 | EX_LINUX | EX_WIN64 | EX_LINUX64 |
EX_OSX | EX_OSX64 | EX_FREEBSD | EX_FREEBSD64 |
EX_OPENBSD | EX_OPENBSD64 |
EX_DRAGONFLYBSD64 |
EX_SOLARIS | EX_SOLARIS64;
// All DOS executable types
enum exefmt_t EX_dos = EX_DOSX | EX_ZPM | EX_RATIONAL | EX_PHARLAP |
EX_COM | EX_MZ /*| EX_WIN16*/;
alias config_flags_t = uint;
enum
{
CFGuchar = 1, // chars are unsigned
CFGsegs = 2, // new code seg for each far func
CFGtrace = 4, // output trace functions
CFGglobal = 8, // make all static functions global
CFGstack = 0x10, // add stack overflow checking
CFGalwaysframe = 0x20, // always generate stack frame
CFGnoebp = 0x40, // do not use EBP as general purpose register
CFGromable = 0x80, // put switch tables in code segment
CFGeasyomf = 0x100, // generate Pharlap Easy-OMF format
CFGfarvtbls = 0x200, // store vtables in far segments
CFGnoinlines = 0x400, // do not inline functions
CFGnowarning = 0x800, // disable warnings
}
alias config_flags2_t = uint;
enum
{
CFG2comdat = 1, // use initialized common blocks
CFG2nodeflib = 2, // no default library imbedded in OBJ file
CFG2browse = 4, // generate browse records
CFG2dyntyping = 8, // generate dynamic typing information
CFG2fulltypes = 0x10, // don't optimize CV4 class info
CFG2warniserr = 0x20, // treat warnings as errors
CFG2phauto = 0x40, // automatic precompiled headers
CFG2phuse = 0x80, // use precompiled headers
CFG2phgen = 0x100, // generate precompiled header
CFG2once = 0x200, // only include header files once
CFG2hdrdebug = 0x400, // generate debug info for header
CFG2phautoy = 0x800, // fast build precompiled headers
CFG2noobj = 0x1000, // we are not generating a .OBJ file
CFG2noerrmax = 0x2000, // no error count maximum
CFG2expand = 0x4000, // expanded output to list file
CFG2stomp = 0x8000, // enable stack stomping code
CFG2gms = 0x10000, // optimize debug symbols for microsoft debuggers
}
alias config_flags3_t = uint;
enum
{
CFG3ju = 1, // char == unsigned char
CFG3eh = 2, // generate exception handling stuff
CFG3strcod = 4, // strings are placed in code segment
CFG3eseqds = 8, // ES == DS at all times
CFG3ptrchk = 0x10, // generate pointer validation code
CFG3strictproto = 0x20, // strict prototyping
CFG3autoproto = 0x40, // auto prototyping
CFG3rtti = 0x80, // add RTTI support
CFG3relax = 0x100, // relaxed type checking (C only)
CFG3cpp = 0x200, // C++ compile
CFG3igninc = 0x400, // ignore standard include directory
CFG3mars = 0x800, // use mars libs and headers
CFG3nofar = 0x1000, // ignore __far and __huge keywords
CFG3noline = 0x2000, // do not output #line directives
CFG3comment = 0x4000, // leave comments in preprocessed output
CFG3cppcomment = 0x8000, // allow C++ style comments
CFG3wkfloat = 0x10000, // make floating point references weak externs
CFG3digraphs = 0x20000, // support ANSI C++ digraphs
CFG3semirelax = 0x40000, // moderate relaxed type checking (non-Windows targets)
CFG3pic = 0x80000, // position independent code
CFG3pie = 0x10_0000, // position independent executable (CFG3pic also set)
}
alias config_flags4_t = uint;
enum
{
CFG4speed = 1, // optimized for speed
CFG4space = 2, // optimized for space
CFG4allcomdat = 4, // place all functions in COMDATs
CFG4fastfloat = 8, // fast floating point (-ff)
CFG4fdivcall = 0x10, // make function call for FDIV opcodes
CFG4tempinst = 0x20, // instantiate templates for undefined functions
CFG4oldstdmangle = 0x40, // do stdcall mangling without @
CFG4pascal = 0x80, // default to pascal linkage
CFG4stdcall = 0x100, // default to std calling convention
CFG4cacheph = 0x200, // cache precompiled headers in memory
CFG4alternate = 0x400, // if alternate digraph tokens
CFG4bool = 0x800, // support 'bool' as basic type
CFG4wchar_t = 0x1000, // support 'wchar_t' as basic type
CFG4notempexp = 0x2000, // no instantiation of template functions
CFG4anew = 0x4000, // allow operator new[] and delete[] overloading
CFG4oldtmangle = 0x8000, // use old template name mangling
CFG4dllrtl = 0x10000, // link with DLL RTL
CFG4noemptybaseopt = 0x20000, // turn off empty base class optimization
CFG4nowchar_t = 0x40000, // use unsigned short name mangling for wchar_t
CFG4forscope = 0x80000, // new C++ for scoping rules
CFG4warnccast = 0x100000, // warn about C style casts
CFG4adl = 0x200000, // argument dependent lookup
CFG4enumoverload = 0x400000, // enum overloading
CFG4implicitfromvoid = 0x800000, // allow implicit cast from void* to T*
CFG4dependent = 0x1000000, // dependent / non-dependent lookup
CFG4wchar_is_long = 0x2000000, // wchar_t is 4 bytes
CFG4underscore = 0x4000000, // prepend _ for C mangling
}
enum config_flags4_t CFG4optimized = CFG4speed | CFG4space;
enum config_flags4_t CFG4stackalign = CFG4speed; // align stack to 8 bytes
alias config_flags5_t = uint;
enum
{
CFG5debug = 1, // compile in __debug code
CFG5in = 2, // compile in __in code
CFG5out = 4, // compile in __out code
CFG5invariant = 8, // compile in __invariant code
}
/* CFGX: flags ignored in precompiled headers
* CFGY: flags copied from precompiled headers into current config
*/
enum config_flags_t CFGX = CFGnowarning;
enum config_flags2_t CFGX2 = CFG2warniserr | CFG2phuse | CFG2phgen | CFG2phauto |
CFG2once | CFG2hdrdebug | CFG2noobj | CFG2noerrmax |
CFG2expand | CFG2nodeflib | CFG2stomp | CFG2gms;
enum config_flags3_t CFGX3 = CFG3strcod | CFG3ptrchk;
enum config_flags4_t CFGX4 = CFG4optimized | CFG4fastfloat | CFG4fdivcall |
CFG4tempinst | CFG4cacheph | CFG4notempexp |
CFG4stackalign | CFG4dependent;
enum config_flags4_t CFGY4 = CFG4nowchar_t | CFG4noemptybaseopt | CFG4adl |
CFG4enumoverload | CFG4implicitfromvoid |
CFG4wchar_is_long | CFG4underscore;
// Configuration flags for HTOD executable
alias htod_flags_t = uint;
enum
{
HTODFinclude = 1, // -hi drill down into #include files
HTODFsysinclude = 2, // -hs drill down into system #include files
HTODFtypedef = 4, // -ht drill down into typedefs
HTODFcdecl = 8, // -hc skip C declarations as comments
}
// This part of the configuration is saved in the precompiled header for use
// in comparing to make sure it hasn't changed.
struct Config
{
char language; // 'C' = C, 'D' = C++
string _version; /// Compiler version
char[3] exetype; // distinguish exe types so PH
// files are distinct (= SUFFIX)
cpu_target_t target_cpu; // instruction selection
cpu_target_t target_scheduler; // instruction scheduling (normally same as selection)
short versionint; // intermediate file version (= VERSIONINT)
int defstructalign; // struct alignment specified by command line
short hxversion; // HX version number
symbolic_debug_t fulltypes; // format of symbolic debug info
windows_flags_t wflags; // flags for Windows code generation
bool fpxmmregs; // use XMM registers for floating point
ubyte avx; // use AVX instruction set (0, 1, 2)
ubyte inline8087; /* 0: emulator
1: IEEE 754 inline 8087 code
2: fast inline 8087 code
*/
short memmodel; // 0:S,X,N,F, 1:M, 2:C, 3:L, 4:V
objfmt_t objfmt; // target object format
exefmt_t exe; // target operating system
config_flags_t flags;
config_flags2_t flags2;
config_flags3_t flags3;
config_flags4_t flags4;
config_flags5_t flags5;
htod_flags_t htodFlags; // configuration for htod
ubyte ansi_c; // strict ANSI C
// 89 for ANSI C89, 99 for ANSI C99
ubyte asian_char; // 0: normal, 1: Japanese, 2: Chinese
// and Taiwanese, 3: Korean
uint threshold; // data larger than threshold is assumed to
// be far (16 bit models only)
// if threshold == THRESHMAX, all data defaults
// to near
linkage_t linkage; // default function call linkage
EHmethod ehmethod; // exception handling method
bool useModuleInfo; // implement ModuleInfo
bool useTypeInfo; // implement TypeInfo
bool useExceptions; // implement exception handling
}
enum THRESHMAX = 0xFFFF;
// Language for error messages
enum LANG
{ LANGenglish,
LANGgerman,
LANGfrench,
LANGjapanese,
}
// Configuration that is not saved in precompiled header
struct Configv
{
ubyte addlinenumbers; // put line number info in .OBJ file
ubyte verbose; // 0: compile quietly (no messages)
// 1: show progress to DLL (default)
// 2: full verbosity
char* csegname; // code segment name
char* deflibname; // default library name
LANG language; // message language
int errmax; // max error count
}
alias reg_t = ubyte; // register number
alias regm_t = uint; // Register mask type
struct immed_t
{
targ_size_t[REGMAX] value; // immediate values in registers
regm_t mval; // Mask of which values in regimmed.value[] are valid
}
struct cse_t
{
elem*[REGMAX] value; // expression values in registers
regm_t mval; // mask of which values in value[] are valid
regm_t mops; // subset of mval that contain common subs that need
// to be stored in csextab[] if they are destroyed
}
struct con_t
{
cse_t cse; // CSEs in registers
immed_t immed; // immediate values in registers
regm_t mvar; // mask of register variables
regm_t mpvar; // mask of SCfastpar, SCshadowreg register variables
regm_t indexregs; // !=0 if more than 1 uncommitted index register
regm_t used; // mask of registers used
regm_t params; // mask of registers which still contain register
// function parameters
}
/*********************************
* Bootstrap complex types.
*/
import dmd.backend.bcomplex;
/*********************************
* Union of all data types. Storage allocated must be the right
* size of the data on the TARGET, not the host.
*/
struct Cent
{
targ_ullong lsw;
targ_ullong msw;
}
union eve
{
targ_char Vchar;
targ_schar Vschar;
targ_uchar Vuchar;
targ_short Vshort;
targ_ushort Vushort;
targ_int Vint;
targ_uns Vuns;
targ_long Vlong;
targ_ulong Vulong;
targ_llong Vllong;
targ_ullong Vullong;
Cent Vcent;
targ_float Vfloat;
targ_double Vdouble;
targ_ldouble Vldouble;
Complex_f Vcfloat; // 2x float
Complex_d Vcdouble; // 2x double
Complex_ld Vcldouble; // 2x long double
targ_size_t Vpointer;
targ_ptrdiff_t Vptrdiff;
targ_uchar Vreg; // register number for OPreg elems
// 16 byte vector types
targ_float[4] Vfloat4; // float[4]
targ_double[2] Vdouble2; // double[2]
targ_schar[16] Vschar16; // byte[16]
targ_uchar[16] Vuchar16; // ubyte[16]
targ_short[8] Vshort8; // short[8]
targ_ushort[8] Vushort8; // ushort[8]
targ_long[4] Vlong4; // int[4]
targ_ulong[4] Vulong4; // uint[4]
targ_llong[2] Vllong2; // long[2]
targ_ullong[2] Vullong2; // ulong[2]
// 32 byte vector types
targ_float[8] Vfloat8; // float[8]
targ_double[4] Vdouble4; // double[4]
targ_schar[32] Vschar32; // byte[32]
targ_uchar[32] Vuchar32; // ubyte[32]
targ_short[16] Vshort16; // short[16]
targ_ushort[16] Vushort16; // ushort[16]
targ_long[8] Vlong8; // int[8]
targ_ulong[8] Vulong8; // uint[8]
targ_llong[4] Vllong4; // long[4]
targ_ullong[4] Vullong4; // ulong[4]
struct // 48 bit 386 far pointer
{ targ_long Voff;
targ_ushort Vseg;
}
struct
{
targ_size_t Voffset;// offset from symbol
Symbol *Vsym; // pointer to symbol table
union
{
param_t* Vtal; // template-argument-list for SCfunctempl,
// used only to transmit it to cpp_overload()
LIST* Erd; // OPvar: reaching definitions
}
}
struct
{
targ_size_t Voffset2;// member pointer offset
Classsym* Vsym2; // struct tag
elem* ethis; // OPrelconst: 'this' for member pointer
}
struct
{
targ_size_t Voffset3;// offset from string
char* Vstring; // pointer to string (OPstring or OPasm)
targ_size_t Vstrlen;// length of string
}
struct
{
elem* E1; // left child for unary & binary nodes
elem* E2; // right child for binary nodes
Symbol* Edtor; // OPctor: destructor
}
struct
{
elem* Eleft2; // left child for OPddtor
void* Edecl; // VarDeclaration being constructed
} // OPdctor,OPddtor
} // variants for each type of elem
// Symbols
//#ifdef DEBUG
//#define IDSYMBOL IDsymbol,
//#else
//#define IDSYMBOL
//#endif
alias SYMFLGS = uint;
/**********************************
* Storage classes
*/
alias SC = int;
enum
{
SCunde, // undefined
SCauto, // automatic (stack)
SCstatic, // statically allocated
SCthread, // thread local
SCextern, // external
SCregister, // registered variable
SCpseudo, // pseudo register variable
SCglobal, // top level global definition
SCcomdat, // initialized common block
SCparameter, // function parameter
SCregpar, // function register parameter
SCfastpar, // function parameter passed in register
SCshadowreg, // function parameter passed in register, shadowed on stack
SCtypedef, // type definition
SCexplicit, // explicit
SCmutable, // mutable
SClabel, // goto label
SCstruct, // struct/class/union tag name
SCenum, // enum tag name
SCfield, // bit field of struct or union
SCconst, // constant integer
SCmember, // member of struct or union
SCanon, // member of anonymous union
SCinline, // for inline functions
SCsinline, // for static inline functions
SCeinline, // for extern inline functions
SCoverload, // for overloaded function names
SCfriend, // friend of a class
SCvirtual, // virtual function
SClocstat, // static, but local to a function
SCtemplate, // class template
SCfunctempl, // function template
SCftexpspec, // function template explicit specialization
SClinkage, // function linkage symbol
SCpublic, // generate a pubdef for this
SCcomdef, // uninitialized common block
SCbprel, // variable at fixed offset from frame pointer
SCnamespace, // namespace
SCalias, // alias to another symbol
SCfuncalias, // alias to another function symbol
SCmemalias, // alias to base class member
SCstack, // offset from stack pointer (not frame pointer)
SCadl, // list of ADL symbols for overloading
SCMAX
}
int ClassInline(int c) { return c == SCinline || c == SCsinline || c == SCeinline; }
int SymInline(Symbol* s) { return ClassInline(s.Sclass); }