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wine/tools/winebuild/spec32.c

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/*
* 32-bit spec files
*
* Copyright 1993 Robert J. Amstadt
* Copyright 1995 Martin von Loewis
* Copyright 1995, 1996, 1997 Alexandre Julliard
* Copyright 1997 Eric Youngdale
* Copyright 1999 Ulrich Weigand
*/
#include <assert.h>
#include <unistd.h>
#include "winbase.h"
#include "build.h"
static int name_compare( const void *name1, const void *name2 )
{
ORDDEF *odp1 = *(ORDDEF **)name1;
ORDDEF *odp2 = *(ORDDEF **)name2;
return strcmp( odp1->name, odp2->name );
}
/*******************************************************************
* AssignOrdinals
*
* Assign ordinals to all entry points.
*/
static void AssignOrdinals(void)
{
int i, ordinal;
if ( !nb_names ) return;
/* sort the list of names */
qsort( Names, nb_names, sizeof(Names[0]), name_compare );
/* check for duplicate names */
for (i = 0; i < nb_names - 1; i++)
{
if (!strcmp( Names[i]->name, Names[i+1]->name ))
{
current_line = max( Names[i]->lineno, Names[i+1]->lineno );
fatal_error( "'%s' redefined (previous definition at line %d)\n",
Names[i]->name, min( Names[i]->lineno, Names[i+1]->lineno ) );
}
}
/* start assigning from Base, or from 1 if no ordinal defined yet */
if (Base == MAX_ORDINALS) Base = 1;
for (i = 0, ordinal = Base; i < nb_names; i++)
{
if (Names[i]->ordinal != -1) continue; /* already has an ordinal */
while (Ordinals[ordinal]) ordinal++;
if (ordinal >= MAX_ORDINALS)
{
current_line = Names[i]->lineno;
fatal_error( "Too many functions defined (max %d)\n", MAX_ORDINALS );
}
Names[i]->ordinal = ordinal;
Ordinals[ordinal] = Names[i];
}
if (ordinal > Limit) Limit = ordinal;
}
/*******************************************************************
* output_exports
*
* Output the export table for a Win32 module.
*/
static void output_exports( FILE *outfile, int nr_exports, int nr_names, int fwd_size )
{
int i, fwd_pos = 0;
if (!nr_exports) return;
fprintf( outfile, "\n\n/* exports */\n\n" );
fprintf( outfile, "typedef void (*func_ptr)();\n" );
fprintf( outfile, "static struct {\n" );
fprintf( outfile, " struct {\n" );
fprintf( outfile, " unsigned int Characteristics;\n" );
fprintf( outfile, " unsigned int TimeDateStamp;\n" );
fprintf( outfile, " unsigned short MajorVersion;\n" );
fprintf( outfile, " unsigned short MinorVersion;\n" );
fprintf( outfile, " const char *Name;\n" );
fprintf( outfile, " unsigned int Base;\n" );
fprintf( outfile, " unsigned int NumberOfFunctions;\n" );
fprintf( outfile, " unsigned int NumberOfNames;\n" );
fprintf( outfile, " func_ptr *AddressOfFunctions;\n" );
fprintf( outfile, " const char **AddressOfNames;\n" );
fprintf( outfile, " unsigned short *AddressOfNameOrdinals;\n" );
fprintf( outfile, " func_ptr functions[%d];\n", nr_exports );
if (nb_names)
{
fprintf( outfile, " const char *names[%d];\n", nb_names );
fprintf( outfile, " unsigned short ordinals[%d];\n", nb_names );
if (nb_names % 2) fprintf( outfile, " unsigned short pad1;\n" );
}
if (fwd_size)
{
fprintf( outfile, " char forwards[%d];\n", (fwd_size + 3) & ~3 );
}
fprintf( outfile, " } exp;\n" );
#ifdef __i386__
fprintf( outfile, " struct {\n" );
fprintf( outfile, " unsigned char jmp;\n" );
fprintf( outfile, " unsigned char addr[4];\n" );
fprintf( outfile, " unsigned char ret;\n" );
fprintf( outfile, " unsigned short args;\n" );
fprintf( outfile, " func_ptr orig;\n" );
fprintf( outfile, " unsigned int argtypes;\n" );
fprintf( outfile, " } relay[%d];\n", nr_exports );
#endif /* __i386__ */
fprintf( outfile, "} exports = {\n {\n" );
fprintf( outfile, " 0,\n" ); /* Characteristics */
fprintf( outfile, " 0,\n" ); /* TimeDateStamp */
fprintf( outfile, " 0,\n" ); /* MajorVersion */
fprintf( outfile, " 0,\n" ); /* MinorVersion */
fprintf( outfile, " dllname,\n" ); /* Name */
fprintf( outfile, " %d,\n", Base ); /* Base */
fprintf( outfile, " %d,\n", nr_exports ); /* NumberOfFunctions */
fprintf( outfile, " %d,\n", nb_names ); /* NumberOfNames */
fprintf( outfile, " exports.exp.functions,\n" ); /* AddressOfFunctions */
if (nb_names)
{
fprintf( outfile, " exports.exp.names,\n" ); /* AddressOfNames */
fprintf( outfile, " exports.exp.ordinals,\n" ); /* AddressOfNameOrdinals */
}
else
{
fprintf( outfile, " 0,\n" ); /* AddressOfNames */
fprintf( outfile, " 0,\n" ); /* AddressOfNameOrdinals */
}
/* output the function addresses */
fprintf( outfile, " {\n " );
for (i = Base; i <= Limit; i++)
{
ORDDEF *odp = Ordinals[i];
if (!odp) fprintf( outfile, "0" );
else switch(odp->type)
{
case TYPE_EXTERN:
fprintf( outfile, "%s", odp->u.ext.link_name );
break;
case TYPE_STDCALL:
case TYPE_STDCALL64:
case TYPE_VARARGS:
case TYPE_CDECL:
fprintf( outfile, "%s", odp->u.func.link_name);
break;
case TYPE_STUB:
fprintf( outfile, "__stub_%d", i );
break;
case TYPE_REGISTER:
fprintf( outfile, "__regs_%d", i );
break;
case TYPE_FORWARD:
fprintf( outfile, "(func_ptr)&exports.exp.forwards[%d] /* %s */",
fwd_pos, odp->u.fwd.link_name );
fwd_pos += strlen(odp->u.fwd.link_name) + 1;
break;
default:
assert(0);
}
if (i < Limit) fprintf( outfile, ",\n " );
else fprintf( outfile, "\n },\n" );
}
if (nb_names)
{
/* output the function names */
fprintf( outfile, " {\n" );
for (i = 0; i < nb_names; i++)
{
if (i) fprintf( outfile, ",\n" );
fprintf( outfile, " \"%s\"", Names[i]->name );
}
fprintf( outfile, "\n },\n" );
/* output the function ordinals */
fprintf( outfile, " {\n " );
for (i = 0; i < nb_names; i++)
{
fprintf( outfile, "%4d", Names[i]->ordinal - Base );
if (i < nb_names-1)
{
fputc( ',', outfile );
if ((i % 8) == 7) fprintf( outfile, "\n " );
}
}
fprintf( outfile, "\n },\n" );
if (nb_names % 2) fprintf( outfile, " 0,\n" );
}
/* output forwards */
if (fwd_size)
{
for (i = Base; i <= Limit; i++)
{
ORDDEF *odp = Ordinals[i];
if (odp && odp->type == TYPE_FORWARD)
fprintf( outfile, " \"%s\\0\"\n", odp->u.fwd.link_name );
}
}
/* output relays */
#ifdef __i386__
fprintf( outfile, " },\n {\n" );
for (i = Base; i <= Limit; i++)
{
ORDDEF *odp = Ordinals[i];
if (odp && ((odp->type == TYPE_STDCALL) ||
(odp->type == TYPE_STDCALL64) ||
(odp->type == TYPE_CDECL) ||
(odp->type == TYPE_REGISTER)))
{
unsigned int j, mask = 0;
for (j = 0; odp->u.func.arg_types[j]; j++)
{
if (odp->u.func.arg_types[j] == 't') mask |= 1<< (j*2);
if (odp->u.func.arg_types[j] == 'W') mask |= 2<< (j*2);
}
switch(odp->type)
{
case TYPE_STDCALL64:
if (j < 16) mask |= 0x80000000;
/* fall through */
case TYPE_STDCALL:
fprintf( outfile, " { 0xe9, { 0,0,0,0 }, 0xc2, 0x%04x, %s, 0x%08x }",
strlen(odp->u.func.arg_types) * sizeof(int),
odp->u.func.link_name, mask );
break;
case TYPE_CDECL:
fprintf( outfile, " { 0xe9, { 0,0,0,0 }, 0xc3, 0x%04x, %s, 0x%08x }",
strlen(odp->u.func.arg_types) * sizeof(int),
odp->u.func.link_name, mask );
break;
case TYPE_REGISTER:
fprintf( outfile, " { 0xe9, { 0,0,0,0 }, 0xc3, 0x%04x, __regs_%d, 0x%08x }",
0x8000 | (strlen(odp->u.func.arg_types) * sizeof(int)), i, mask );
break;
default:
assert(0);
}
}
else fprintf( outfile, " { 0, { 0,0,0,0 }, 0, 0, 0, 0 }" );
if (i < Limit) fprintf( outfile, ",\n" );
}
#endif /* __i386__ */
fprintf( outfile, " }\n};\n" );
}
/*******************************************************************
* BuildSpec32File
*
* Build a Win32 C file from a spec file.
*/
void BuildSpec32File( FILE *outfile )
{
ORDDEF *odp;
int i, fwd_size = 0, have_regs = FALSE;
int nr_exports, nr_imports;
int characteristics, subsystem;
const char *init_func;
DWORD page_size;
#ifdef HAVE_GETPAGESIZE
page_size = getpagesize();
#else
# ifdef __svr4__
page_size = sysconf(_SC_PAGESIZE);
# else
# error Cannot get the page size on this platform
# endif
#endif
AssignOrdinals();
nr_exports = Base <= Limit ? Limit - Base + 1 : 0;
fprintf( outfile, "/* File generated automatically from %s; do not edit! */\n\n",
input_file_name );
fprintf( outfile, "extern void BUILTIN32_Unimplemented( const char *dllname, const char *funcname );\n\n" );
/* Reserve some space for the PE header */
fprintf( outfile, "extern char pe_header[];\n" );
fprintf( outfile, "asm(\".section .text\\n\\t\"\n" );
fprintf( outfile, " \".align %ld\\n\"\n", page_size );
fprintf( outfile, " \"pe_header:\\t.fill %ld,1,0\\n\\t\");\n", page_size );
fprintf( outfile, "static const char dllname[] = \"%s\";\n", DLLName );
/* Output the DLL functions prototypes */
for (i = 0, odp = EntryPoints; i < nb_entry_points; i++, odp++)
{
switch(odp->type)
{
case TYPE_EXTERN:
fprintf( outfile, "extern void %s();\n", odp->u.ext.link_name );
break;
case TYPE_STDCALL:
case TYPE_STDCALL64:
case TYPE_VARARGS:
case TYPE_CDECL:
fprintf( outfile, "extern void %s();\n", odp->u.func.link_name );
break;
case TYPE_FORWARD:
fwd_size += strlen(odp->u.fwd.link_name) + 1;
break;
case TYPE_REGISTER:
fprintf( outfile, "extern void __regs_%d();\n", odp->ordinal );
have_regs = TRUE;
break;
case TYPE_STUB:
if (odp->name[0])
fprintf( outfile,
"static void __stub_%d() { BUILTIN32_Unimplemented(dllname,\"%s\"); }\n",
odp->ordinal, odp->name );
else
fprintf( outfile,
"static void __stub_%d() { BUILTIN32_Unimplemented(dllname,\"%d\"); }\n",
odp->ordinal, odp->ordinal );
break;
default:
fprintf(stderr,"build: function type %d not available for Win32\n",
odp->type);
exit(1);
}
}
/* Output code for all register functions */
if ( have_regs )
{
fprintf( outfile, "#ifndef __GNUC__\n" );
fprintf( outfile, "static void __asm__dummy(void) {\n" );
fprintf( outfile, "#endif /* !defined(__GNUC__) */\n" );
for (i = 0, odp = EntryPoints; i < nb_entry_points; i++, odp++)
{
if (odp->type != TYPE_REGISTER) continue;
fprintf( outfile,
"asm(\".align 4\\n\\t\"\n"
" \".type " PREFIX "__regs_%d,@function\\n\\t\"\n"
" \"" PREFIX "__regs_%d:\\n\\t\"\n"
" \"call " PREFIX "CALL32_Regs\\n\\t\"\n"
" \".long " PREFIX "%s\\n\\t\"\n"
" \".byte %d,%d\");\n",
odp->ordinal, odp->ordinal, odp->u.func.link_name,
4 * strlen(odp->u.func.arg_types),
4 * strlen(odp->u.func.arg_types) );
}
fprintf( outfile, "#ifndef __GNUC__\n" );
fprintf( outfile, "}\n" );
fprintf( outfile, "#endif /* !defined(__GNUC__) */\n" );
}
/* Output the exports and relay entry points */
output_exports( outfile, nr_exports, nb_names, fwd_size );
/* Output the DLL imports */
nr_imports = output_imports( outfile );
/* Output LibMain function */
init_func = DLLInitFunc[0] ? DLLInitFunc : NULL;
characteristics = subsystem = 0;
switch(SpecMode)
{
case SPEC_MODE_DLL:
if (init_func) fprintf( outfile, "extern void %s();\n", init_func );
characteristics = IMAGE_FILE_DLL;
break;
case SPEC_MODE_GUIEXE:
if (!init_func) init_func = "WinMain";
fprintf( outfile,
"\n#include <winbase.h>\n"
"static void exe_main(void)\n"
"{\n"
" extern int PASCAL %s(HINSTANCE,HINSTANCE,LPSTR,INT);\n"
" STARTUPINFOA info;\n"
" LPSTR cmdline = GetCommandLineA();\n"
" while (*cmdline && *cmdline != ' ') cmdline++;\n"
" if (*cmdline) cmdline++;\n"
" GetStartupInfoA( &info );\n"
" if (!(info.dwFlags & STARTF_USESHOWWINDOW)) info.wShowWindow = 1;\n"
" ExitProcess( %s( GetModuleHandleA(0), 0, cmdline, info.wShowWindow ) );\n"
"}\n\n", init_func, init_func );
fprintf( outfile,
"int main( int argc, char *argv[] )\n"
"{\n"
" extern void PROCESS_InitWinelib( int, char ** );\n"
" PROCESS_InitWinelib( argc, argv );\n"
" return 1;\n"
"}\n\n" );
init_func = "exe_main";
subsystem = IMAGE_SUBSYSTEM_WINDOWS_GUI;
break;
case SPEC_MODE_CUIEXE:
if (!init_func) init_func = "wine_main";
fprintf( outfile,
"\n#include <winbase.h>\n"
"static void exe_main(void)\n"
"{\n"
" extern int %s( int argc, char *argv[] );\n"
" extern int _ARGC;\n"
" extern char **_ARGV;\n"
" ExitProcess( %s( _ARGC, _ARGV ) );\n"
"}\n\n", init_func, init_func );
fprintf( outfile,
"int main( int argc, char *argv[] )\n"
"{\n"
" extern void PROCESS_InitWinelib( int, char ** );\n"
" PROCESS_InitWinelib( argc, argv );\n"
" return 1;\n"
"}\n\n" );
init_func = "exe_main";
subsystem = IMAGE_SUBSYSTEM_WINDOWS_CUI;
break;
case SPEC_MODE_GUIEXE_NO_MAIN:
if (init_func) fprintf( outfile, "extern void %s();\n", init_func );
subsystem = IMAGE_SUBSYSTEM_WINDOWS_GUI;
break;
case SPEC_MODE_CUIEXE_NO_MAIN:
if (init_func) fprintf( outfile, "extern void %s();\n", init_func );
subsystem = IMAGE_SUBSYSTEM_WINDOWS_CUI;
break;
}
/* Output the DLL descriptor */
if (rsrc_name[0]) fprintf( outfile, "extern char %s[];\n\n", rsrc_name );
/* Output the NT header */
/* this is the IMAGE_NT_HEADERS structure, but we cannot include winnt.h here */
fprintf( outfile, "static const struct image_nt_headers\n{\n" );
fprintf( outfile, " int Signature;\n" );
fprintf( outfile, " struct file_header {\n" );
fprintf( outfile, " short Machine;\n" );
fprintf( outfile, " short NumberOfSections;\n" );
fprintf( outfile, " int TimeDateStamp;\n" );
fprintf( outfile, " void *PointerToSymbolTable;\n" );
fprintf( outfile, " int NumberOfSymbols;\n" );
fprintf( outfile, " short SizeOfOptionalHeader;\n" );
fprintf( outfile, " short Characteristics;\n" );
fprintf( outfile, " } FileHeader;\n" );
fprintf( outfile, " struct opt_header {\n" );
fprintf( outfile, " short Magic;\n" );
fprintf( outfile, " char MajorLinkerVersion, MinorLinkerVersion;\n" );
fprintf( outfile, " int SizeOfCode;\n" );
fprintf( outfile, " int SizeOfInitializedData;\n" );
fprintf( outfile, " int SizeOfUninitializedData;\n" );
fprintf( outfile, " void *AddressOfEntryPoint;\n" );
fprintf( outfile, " void *BaseOfCode;\n" );
fprintf( outfile, " void *BaseOfData;\n" );
fprintf( outfile, " void *ImageBase;\n" );
fprintf( outfile, " int SectionAlignment;\n" );
fprintf( outfile, " int FileAlignment;\n" );
fprintf( outfile, " short MajorOperatingSystemVersion;\n" );
fprintf( outfile, " short MinorOperatingSystemVersion;\n" );
fprintf( outfile, " short MajorImageVersion;\n" );
fprintf( outfile, " short MinorImageVersion;\n" );
fprintf( outfile, " short MajorSubsystemVersion;\n" );
fprintf( outfile, " short MinorSubsystemVersion;\n" );
fprintf( outfile, " int Win32VersionValue;\n" );
fprintf( outfile, " int SizeOfImage;\n" );
fprintf( outfile, " int SizeOfHeaders;\n" );
fprintf( outfile, " int CheckSum;\n" );
fprintf( outfile, " short Subsystem;\n" );
fprintf( outfile, " short DllCharacteristics;\n" );
fprintf( outfile, " int SizeOfStackReserve;\n" );
fprintf( outfile, " int SizeOfStackCommit;\n" );
fprintf( outfile, " int SizeOfHeapReserve;\n" );
fprintf( outfile, " int SizeOfHeapCommit;\n" );
fprintf( outfile, " int LoaderFlags;\n" );
fprintf( outfile, " int NumberOfRvaAndSizes;\n" );
fprintf( outfile, " struct { void *VirtualAddress; int Size; } DataDirectory[%d];\n",
IMAGE_NUMBEROF_DIRECTORY_ENTRIES );
fprintf( outfile, " } OptionalHeader;\n" );
fprintf( outfile, "} nt_header = {\n" );
fprintf( outfile, " 0x%04x,\n", IMAGE_NT_SIGNATURE ); /* Signature */
fprintf( outfile, " { 0x%04x,\n", IMAGE_FILE_MACHINE_I386 ); /* Machine */
fprintf( outfile, " 0, 0, 0, 0,\n" );
fprintf( outfile, " sizeof(nt_header.OptionalHeader),\n" ); /* SizeOfOptionalHeader */
fprintf( outfile, " 0x%04x },\n", characteristics ); /* Characteristics */
fprintf( outfile, " { 0x%04x,\n", IMAGE_NT_OPTIONAL_HDR_MAGIC ); /* Magic */
fprintf( outfile, " 0, 0,\n" ); /* Major/MinorLinkerVersion */
fprintf( outfile, " 0, 0, 0,\n" ); /* SizeOfCode/Data */
fprintf( outfile, " %s,\n", init_func ? init_func : "0" ); /* AddressOfEntryPoint */
fprintf( outfile, " 0, 0,\n" ); /* BaseOfCode/Data */
fprintf( outfile, " pe_header,\n" ); /* ImageBase */
fprintf( outfile, " %ld,\n", page_size ); /* SectionAlignment */
fprintf( outfile, " %ld,\n", page_size ); /* FileAlignment */
fprintf( outfile, " 1, 0,\n" ); /* Major/MinorOperatingSystemVersion */
fprintf( outfile, " 0, 0,\n" ); /* Major/MinorImageVersion */
fprintf( outfile, " 4, 0,\n" ); /* Major/MinorSubsystemVersion */
fprintf( outfile, " 0,\n" ); /* Win32VersionValue */
fprintf( outfile, " %ld,\n", page_size ); /* SizeOfImage */
fprintf( outfile, " %ld,\n", page_size ); /* SizeOfHeaders */
fprintf( outfile, " 0,\n" ); /* CheckSum */
fprintf( outfile, " 0x%04x,\n", subsystem ); /* Subsystem */
fprintf( outfile, " 0, 0, 0, 0, 0, 0,\n" );
fprintf( outfile, " %d,\n", IMAGE_NUMBEROF_DIRECTORY_ENTRIES ); /* NumberOfRvaAndSizes */
fprintf( outfile, " {\n" );
fprintf( outfile, " { %s, %s },\n", /* IMAGE_DIRECTORY_ENTRY_EXPORT */
nr_exports ? "&exports" : "0", nr_exports ? "sizeof(exports.exp)" : "0" );
fprintf( outfile, " { %s, %s },\n", /* IMAGE_DIRECTORY_ENTRY_IMPORT */
nr_imports ? "&imports" : "0", nr_imports ? "sizeof(imports)" : "0" );
fprintf( outfile, " { %s, 0 },\n", /* IMAGE_DIRECTORY_ENTRY_RESOURCE */
rsrc_name[0] ? rsrc_name : "0" );
fprintf( outfile, " }\n }\n};\n\n" );
/* Output the DLL constructor */
fprintf( outfile, "#ifdef __GNUC__\n" );
fprintf( outfile, "static void %s_init(void) __attribute__((constructor));\n", DLLName );
fprintf( outfile, "#else /* defined(__GNUC__) */\n" );
fprintf( outfile, "static void __asm__dummy_dll_init(void) {\n" );
fprintf( outfile, "asm(\"\\t.section\t.init ,\\\"ax\\\"\\n\"\n" );
fprintf( outfile, " \"\\tcall %s_init\\n\"\n", DLLName );
fprintf( outfile, " \"\\t.previous\\n\");\n" );
fprintf( outfile, "}\n" );
fprintf( outfile, "#endif /* defined(__GNUC__) */\n" );
fprintf( outfile, "static void %s_init(void)\n{\n", DLLName );
fprintf( outfile, " extern void BUILTIN32_RegisterDLL( const struct image_nt_headers *, const char * );\n" );
fprintf( outfile, " BUILTIN32_RegisterDLL( &nt_header, \"%s\" );\n}\n", DLLFileName );
}
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