2 * Copyright 1993 Robert J. Amstadt
3 * Copyright 1995 Alexandre Julliard
4 * Copyright 1995 Martin von Loewis
15 /* ELF symbols do not have an underscore in front */
16 #if defined (__ELF__) || defined (__svr4__)
22 #define TYPE_INVALID 0
26 #define TYPE_PASCAL_16 4
28 #define TYPE_REGISTER 6
32 #define TYPE_STDCALL 10
34 #define MAX_ORDINALS 1299
36 /* Callback function used for stub functions */
37 #define STUB_CALLBACK "RELAY_Unimplemented"
39 typedef struct ordinal_definition_s
44 void *additional_data;
47 typedef struct ordinal_variable_definition_s
53 typedef struct ordinal_function_definition_s
57 char internal_name[80];
60 typedef struct ordinal_return_definition_s
66 static ORDDEF OrdinalDefinitions[MAX_ORDINALS];
68 char LowerDLLName[80];
69 char UpperDLLName[80];
75 char *ParseBuffer = NULL;
80 static int debugging = 1;
82 /* Offset of register relative to the end of the context struct */
83 #define CONTEXTOFFSET(reg) \
84 ((int)&(((struct sigcontext_struct *)1)->reg) - 1 \
85 - sizeof(struct sigcontext_struct))
87 static int IsNumberString(char *s)
96 static char *strlower(char *s)
100 for(p = s; *p != '\0'; p++)
106 static char *strupper(char *s)
110 for(p = s; *p != '\0'; p++)
116 static char * GetTokenInLine(void)
121 if (ParseNext != ParseBuffer)
123 if (ParseSaveChar == '\0')
125 *ParseNext = ParseSaveChar;
129 * Remove initial white space.
131 for (p = ParseNext; isspace(*p); p++)
134 if ((*p == '\0') || (*p == '#'))
141 if (*token != '(' && *token != ')')
142 while (*p != '\0' && *p != '(' && *p != ')' && !isspace(*p))
152 static char * GetToken(void)
156 if (ParseBuffer == NULL)
158 ParseBuffer = malloc(512);
159 ParseNext = ParseBuffer;
163 if (fgets(ParseBuffer, 511, SpecFp) == NULL)
165 if (ParseBuffer[0] != '#')
170 while ((token = GetTokenInLine()) == NULL)
172 ParseNext = ParseBuffer;
176 if (fgets(ParseBuffer, 511, SpecFp) == NULL)
178 if (ParseBuffer[0] != '#')
186 static int ParseVariable(int ordinal, int type)
190 char export_name[80];
195 int value_array_size;
197 strcpy(export_name, GetToken());
202 fprintf(stderr, "%d: Expected '(' got '%s'\n", Line, token);
207 value_array_size = 25;
208 value_array = malloc(sizeof(*value_array) * value_array_size);
210 while ((token = GetToken()) != NULL)
215 value_array[n_values++] = strtol(token, &endptr, 0);
216 if (n_values == value_array_size)
218 value_array_size += 25;
219 value_array = realloc(value_array,
220 sizeof(*value_array) * value_array_size);
223 if (endptr == NULL || *endptr != '\0')
225 fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
233 fprintf(stderr, "%d: End of file in variable declaration\n", Line);
237 if (ordinal >= MAX_ORDINALS)
239 fprintf(stderr, "%d: Ordinal number too large\n", Line);
243 odp = &OrdinalDefinitions[ordinal];
245 strcpy(odp->export_name, export_name);
247 vdp = malloc(sizeof(*vdp));
248 odp->additional_data = vdp;
250 vdp->n_values = n_values;
251 vdp->values = realloc(value_array, sizeof(*value_array) * n_values);
256 static int ParseExportFunction(int ordinal, int type)
263 odp = &OrdinalDefinitions[ordinal];
264 strcpy(odp->export_name, GetToken());
266 fdp = malloc(sizeof(*fdp));
267 odp->additional_data = fdp;
272 fprintf(stderr, "%d: Expected '(' got '%s'\n", Line, token);
276 for (i = 0; i < 16; i++)
282 if (!strcmp(token, "byte") || !strcmp(token, "word"))
283 fdp->arg_types[i] = 'w';
284 else if (!strcmp(token, "s_byte") || !strcmp(token, "s_word"))
285 fdp->arg_types[i] = 's';
286 else if (!strcmp(token, "long") || !strcmp(token, "segptr"))
287 fdp->arg_types[i] = 'l';
288 else if (!strcmp(token, "ptr"))
289 fdp->arg_types[i] = 'p';
292 fprintf(stderr, "%d: Unknown variable type '%s'\n", Line, token);
296 fdp->arg_types[i] = '\0';
298 strcpy(fdp->internal_name, GetToken());
302 static int ParseEquate(int ordinal)
309 odp = &OrdinalDefinitions[ordinal];
310 strcpy(odp->export_name, GetToken());
313 value = strtol(token, &endptr, 0);
314 if (endptr == NULL || *endptr != '\0')
316 fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
321 odp->type = TYPE_ABS;
322 odp->additional_data = (void *) value;
327 static int ParseReturn(int ordinal)
334 rdp = malloc(sizeof(*rdp));
336 odp = &OrdinalDefinitions[ordinal];
337 strcpy(odp->export_name, GetToken());
338 odp->type = TYPE_RETURN;
339 odp->additional_data = rdp;
342 rdp->arg_size = strtol(token, &endptr, 0);
343 if (endptr == NULL || *endptr != '\0')
345 fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
351 rdp->ret_value = strtol(token, &endptr, 0);
352 if (endptr == NULL || *endptr != '\0')
354 fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
363 static int ParseStub( int ordinal )
368 odp = &OrdinalDefinitions[ordinal];
369 strcpy( odp->export_name, GetToken() );
370 odp->type = TYPE_STUB;
371 fdp = malloc(sizeof(*fdp));
372 odp->additional_data = fdp;
373 fdp->arg_types[0] = '\0';
374 strcpy( fdp->internal_name, STUB_CALLBACK );
379 static int ParseOrdinal(int ordinal)
383 if (ordinal >= MAX_ORDINALS)
385 fprintf(stderr, "%d: Ordinal number too large\n", Line);
388 if (ordinal > Limit) Limit = ordinal;
393 fprintf(stderr, "%d: Expected type after ordinal\n", Line);
397 if (strcmp(token, "byte") == 0)
398 return ParseVariable(ordinal, TYPE_BYTE);
399 else if (strcmp(token, "word") == 0)
400 return ParseVariable(ordinal, TYPE_WORD);
401 else if (strcmp(token, "long") == 0)
402 return ParseVariable(ordinal, TYPE_LONG);
403 else if (strcmp(token, "p") == 0)
404 return ParseExportFunction(ordinal, TYPE_PASCAL);
405 else if (strcmp(token, "pascal") == 0)
406 return ParseExportFunction(ordinal, TYPE_PASCAL);
407 else if (strcmp(token, "pascal16") == 0)
408 return ParseExportFunction(ordinal, TYPE_PASCAL_16);
409 else if (strcmp(token, "register") == 0)
410 return ParseExportFunction(ordinal, TYPE_REGISTER);
411 else if (strcmp(token, "stdcall") == 0)
412 return ParseExportFunction(ordinal, TYPE_STDCALL);
413 else if (strcmp(token, "equate") == 0)
414 return ParseEquate(ordinal);
415 else if (strcmp(token, "return") == 0)
416 return ParseReturn(ordinal);
417 else if (strcmp(token, "stub") == 0)
418 return ParseStub(ordinal);
422 "%d: Expected type after ordinal, found '%s' instead\n",
428 static int ParseTopLevel(void)
432 while ((token = GetToken()) != NULL)
434 if (strcmp(token, "name") == 0)
436 strcpy(LowerDLLName, GetToken());
437 strlower(LowerDLLName);
439 strcpy(UpperDLLName, LowerDLLName);
440 strupper(UpperDLLName);
442 else if (strcmp(token, "id") == 0)
445 if (!IsNumberString(token))
447 fprintf(stderr, "%d: Expected number after id\n", Line);
453 else if (strcmp(token, "base") == 0)
456 if (!IsNumberString(token))
458 fprintf(stderr, "%d: Expected number after base\n", Line);
464 else if (IsNumberString(token))
469 ordinal = atoi(token);
470 if ((rv = ParseOrdinal(ordinal)) < 0)
476 "%d: Expected name, id, length or ordinal\n", Line);
485 static int OutputVariableCode( char *storage, ORDDEF *odp )
490 vdp = odp->additional_data;
491 printf( "\t.data\n" );
492 for (i = 0; i < vdp->n_values; i++)
495 printf( "\t%s\t", storage);
497 printf( "%d", vdp->values[i]);
499 if ((i & 7) == 7 || i == vdp->n_values - 1) printf( "\n");
503 printf( "\t.text\n" );
504 return vdp->n_values;
508 /*******************************************************************
511 * Build the in-memory representation of the module, and dump it
512 * as a byte stream into the assembly code.
514 static void BuildModule( int max_code_offset, int max_data_offset )
520 SEGTABLEENTRY *pSegment;
521 LOADEDFILEINFO *pFileInfo;
527 * LOADEDFILEINFO File information
528 * SEGTABLEENTRY Segment 1 (code)
529 * SEGTABLEENTRY Segment 2 (data)
530 * WORD[2] Resource table (empty)
531 * BYTE[2] Imported names (empty)
532 * BYTE[n] Resident names table
533 * BYTE[n] Entry table
536 buffer = malloc( 0x10000 );
538 pModule = (NE_MODULE *)buffer;
539 pModule->magic = NE_SIGNATURE;
542 pModule->flags = NE_FFLAGS_SINGLEDATA | NE_FFLAGS_BUILTIN | NE_FFLAGS_LIBMODULE;
544 pModule->heap_size = 0xffff;
545 pModule->stack_size = 0;
550 pModule->seg_count = 2;
551 pModule->modref_count = 0;
552 pModule->nrname_size = 0;
553 pModule->modref_table = 0;
554 pModule->nrname_fpos = 0;
555 pModule->moveable_entries = 0;
556 pModule->alignment = 0;
557 pModule->truetype = 0;
558 pModule->os_flags = NE_OSFLAGS_WINDOWS;
559 pModule->misc_flags = 0;
560 pModule->dlls_to_init = 0;
561 pModule->nrname_handle = 0;
562 pModule->min_swap_area = 0;
563 pModule->expected_version = 0x030a;
565 /* File information */
567 pFileInfo = (LOADEDFILEINFO *)(pModule + 1);
568 pModule->fileinfo = (int)pFileInfo - (int)pModule;
569 pFileInfo->length = sizeof(LOADEDFILEINFO) + strlen(UpperDLLName) + 3;
570 pFileInfo->fixed_media = 0;
571 pFileInfo->error = 0;
574 sprintf( pFileInfo->filename, "%s.DLL", UpperDLLName );
575 pstr = (char *)pFileInfo + pFileInfo->length + 1;
579 pSegment = (SEGTABLEENTRY *)pstr;
580 pModule->seg_table = (int)pSegment - (int)pModule;
581 pSegment->filepos = 0;
582 pSegment->size = max_code_offset;
584 pSegment->minsize = max_code_offset;
585 pSegment->selector = 0;
588 pModule->dgroup_entry = (int)pSegment - (int)pModule;
589 pSegment->filepos = 0;
590 pSegment->size = max_data_offset;
591 pSegment->flags = NE_SEGFLAGS_DATA;
592 pSegment->minsize = max_data_offset;
593 pSegment->selector = 0;
598 pword = (WORD *)pSegment;
599 pModule->res_table = (int)pword - (int)pModule;
603 /* Imported names table */
605 pstr = (char *)pword;
606 pModule->import_table = (int)pstr - (int)pModule;
610 /* Resident names table */
612 pModule->name_table = (int)pstr - (int)pModule;
613 /* First entry is module name */
614 *pstr = strlen(UpperDLLName );
615 strcpy( pstr + 1, UpperDLLName );
618 pstr += sizeof(WORD);
619 /* Store all ordinals */
620 odp = OrdinalDefinitions + 1;
621 for (i = 1; i <= Limit; i++, odp++)
623 if (!odp->export_name[0]) continue;
624 *pstr = strlen( odp->export_name );
625 strcpy( pstr + 1, odp->export_name );
626 strupper( pstr + 1 );
629 pstr += sizeof(WORD);
635 pModule->entry_table = (int)pstr - (int)pModule;
637 odp = OrdinalDefinitions + 1;
638 for (i = 1; i <= Limit; i++, odp++)
645 selector = 0; /* Invalid selector */
653 selector = 1; /* Code selector */
659 selector = 2; /* Data selector */
663 selector = 0xfe; /* Constant selector */
667 /* create a new bundle if necessary */
668 if (!bundle || (bundle[0] >= 254) || (bundle[1] != selector))
672 bundle[1] = selector;
680 *(WORD *)pstr = odp->offset;
681 pstr += sizeof(WORD);
686 /* Dump the module content */
688 printf( "\t.data\n" );
689 printf( "\t.globl " PREFIX "%s_Module_Start\n", UpperDLLName );
690 printf( PREFIX "%s_Module_Start:\n", UpperDLLName );
691 size = (int)pstr - (int)pModule;
692 for (i = 0, pstr = buffer; i < size; i++, pstr++)
694 if (!(i & 7)) printf( "\t.byte " );
695 printf( "%d%c", *pstr, ((i & 7) != 7) ? ',' : '\n' );
697 if (i & 7) printf( "0\n" );
698 printf( "\t.globl " PREFIX "%s_Module_End\n", UpperDLLName );
699 printf( PREFIX "%s_Module_End:\n", UpperDLLName );
703 static void BuildSpec32Files( char *specname )
710 SpecFp = fopen( specname, "r");
713 fprintf(stderr, "Could not open specification file, '%s'\n", specname);
719 printf( "/* File generated automatically, do not edit! */\n" );
720 printf( "#include <sys/types.h>\n");
721 printf( "#include \"windows.h\"\n");
722 printf( "#include \"dlls.h\"\n");
723 printf( "#include \"pe_image.h\"\n");
724 printf( "#include \"winerror.h\"\n");
725 printf( "#include \"relay32.h\"\n");
726 printf( "#include \"stddebug.h\"\n");
727 printf( "#include \"debug.h\"\n");
729 odp = OrdinalDefinitions;
730 for (i = 0; i <= Limit; i++, odp++)
733 fdp = odp->additional_data;
734 rdp = odp->additional_data;
740 printf( "int %s_%d()\n{\n\t", UpperDLLName, i);
741 printf( "RELAY32_Unimplemented(\"%s\",%d);\n", UpperDLLName, i);
742 printf( "\t/*NOTREACHED*/\n\treturn 0;\n}\n\n");
745 argc=strlen(fdp->arg_types);
746 printf( "void %s_%d(", UpperDLLName, i);
747 for(argno=0;argno<argc;argno++)
749 switch(fdp->arg_types[argno])
751 case 'p': printf( "void *");break;
752 case 'l': printf( "int ");break;
754 fprintf(stderr, "Not supported argument type %c\n",
755 fdp->arg_types[argno]);
758 putchar( 'a'+argno );
759 if (argno!=argc-1) putchar( ',' );
762 printf( "\tdprintf_relay(stddeb,\"Call %%s.%%s(");
763 for (argno=0;argno<argc;argno++)
766 putchar( (fdp->arg_types[argno] == 'p') ? 'p' : 'x' );
767 if (argno < argc-1) putchar( ',' );
769 printf( ")\\n\", \"%s\", \"%s\"", UpperDLLName, odp->export_name);
770 for(argno=0;argno<argc;argno++) printf( ",%c", 'a'+argno);
771 printf( ");\n\t%s(", fdp->internal_name );
772 for(argno=0;argno<argc;argno++)
775 if (argno!=argc-1) putchar(',');
777 printf( ");\n\t__asm__ __volatile__(\"movl %%ebp,%%esp;"
778 "popl %%ebp;ret $%d\");\n}\n\n",
782 printf( "void %s_%d()\n{\n\t", UpperDLLName, i);
783 printf( "RELAY32_DebugEnter(\"%s\",\"%s\");\n\t",
784 UpperDLLName, odp->export_name);
785 printf( "WIN32_LastError=ERROR_CALL_NOT_IMPLEMENTED;\n");
786 printf( "\t__asm__ __volatile__ (\"movl %d,%%eax\");\n",
788 printf( "\t__asm__ __volatile__ (\"movl %%ebp,%%esp;popl %%ebp;"
789 "ret $%d\");\n}\n\n", rdp->arg_size);
792 fprintf(stderr,"build: function type %d not available for Win32\n",
798 printf( "static WIN32_function functions[%d+1]={\n", Limit);
800 odp = OrdinalDefinitions;
801 for (i = 0; i <= Limit; i++, odp++)
803 fdp = odp->additional_data;
804 rdp = odp->additional_data;
809 printf( "{0,%s_%d},\n",UpperDLLName, i);
814 printf( "{\"%s\",%s_%d},\n", odp->export_name, UpperDLLName, i);
817 fprintf(stderr, "build: implementation error: missing %d\n",
824 printf( "static WIN32_builtin dll={\"%s\",functions,%d,0};\n",
825 UpperDLLName, Limit+1);
827 printf( "void %s_Init(void)\n{\n",UpperDLLName);
828 printf( "\tdll.next=WIN32_builtin_list;\n");
829 printf( "\tWIN32_builtin_list=&dll;\n}");
833 static void BuildSpec16Files( char *specname )
839 int code_offset, data_offset;
841 SpecFp = fopen( specname, "r");
844 fprintf(stderr, "Could not open specification file, '%s'\n", specname);
850 printf( "/* File generated automatically; do not edit! */\n" );
851 printf( "\t.data\n" );
852 printf( "\t.globl " PREFIX "%s_Data_Start\n", UpperDLLName );
853 printf( PREFIX "%s_Data_Start:\n", UpperDLLName );
855 printf( "\t.4byte 0,0,0,0,0,0,0,0\n" );
857 printf( "\t.word 0,0,0,0,0,0,0,0\n" );
860 printf( "\t.text\n" );
861 printf( "\t.globl " PREFIX "%s_Code_Start\n", UpperDLLName );
862 printf( PREFIX "%s_Code_Start:\n", UpperDLLName );
865 odp = OrdinalDefinitions;
866 for (i = 0; i <= Limit; i++, odp++)
868 fdp = odp->additional_data;
869 rdp = odp->additional_data;
874 odp->offset = 0xffff;
878 odp->offset = (int)odp->additional_data & 0xffff;
882 printf( "/* %s.%d */\n", UpperDLLName, i);
883 odp->offset = data_offset;
884 data_offset += OutputVariableCode( ".byte", odp);
888 printf( "/* %s.%d */\n", UpperDLLName, i);
889 odp->offset = data_offset;
891 data_offset += 2 * OutputVariableCode( ".4byte", odp);
893 data_offset += 2 * OutputVariableCode( ".word", odp);
898 printf( "/* %s.%d */\n", UpperDLLName, i);
899 odp->offset = data_offset;
900 data_offset += 4 * OutputVariableCode( ".long", odp);
904 printf( "/* %s.%d */\n", UpperDLLName, i);
905 printf( "\tmovw $%d,%%ax\n", rdp->ret_value & 0xffff );
906 printf( "\tmovw $%d,%%dx\n", (rdp->ret_value >> 16) & 0xffff);
907 printf( "\t.byte 0x66\n");
908 if (rdp->arg_size != 0)
909 printf( "\tlret $%d\n", rdp->arg_size);
912 odp->offset = code_offset;
913 code_offset += 10; /* Assembly code is 10 bytes long */
914 if (rdp->arg_size != 0) code_offset += 2;
921 printf( "/* %s.%d */\n", UpperDLLName, i);
922 printf( "\tpushw %%bp\n" );
923 printf( "\tpushl $0x%08x\n", (DLLId << 16) | i);
924 printf( "\tpushl $" PREFIX "%s\n", fdp->internal_name );
925 printf( "\tljmp $0x%04x, $" PREFIX "CallTo32_%s_%s\n\n",
927 (odp->type == TYPE_REGISTER) ? "regs" :
928 (odp->type == TYPE_PASCAL) ? "long" : "word",
935 odp->offset = code_offset;
936 code_offset += 24; /* Assembly code is 24 bytes long */
940 fprintf( stderr, "build: Unknown function type; please report.\n");
945 if (!code_offset) /* Make sure the code segment is not empty */
947 printf( "\t.byte 0\n" );
951 BuildModule( code_offset, data_offset );
955 /*******************************************************************
956 * BuildCall32LargeStack
958 * Build the function used to switch to the original 32-bit stack
959 * before calling a 32-bit function from 32-bit code. This is used for
960 * functions that need a large stack, like X bitmaps functions.
962 * The generated function has the following prototype:
963 * int CallTo32_LargeStack( int (*func)(), int nbargs, ... )
974 static void BuildCall32LargeStack(void)
976 /* Function header */
978 printf( "/**********\n" );
979 printf( " * " PREFIX "CallTo32_LargeStack\n" );
980 printf( " **********/\n" );
981 printf( "\t.align 4\n" );
982 printf( "\t.globl " PREFIX "CallTo32_LargeStack\n\n" );
983 printf( PREFIX "CallTo32_LargeStack:\n" );
987 printf( "\tpushl %%ebp\n" );
988 printf( "\tmovl %%esp,%%ebp\n" );
992 printf( "\tpushl %%ecx\n" );
993 printf( "\tpushl %%esi\n" );
994 printf( "\tpushl %%edi\n" );
996 /* Retrieve the original 32-bit stack pointer and switch to it if any */
998 printf( "\tmovl " PREFIX "IF1632_Original32_esp, %%eax\n" );
999 printf( "\torl %%eax,%%eax\n" );
1000 printf( "\tje 0f\n" );
1001 printf( "\tmovl %%eax,%%esp\n" );
1004 /* Transfer the arguments */
1006 printf( "\tmovl 12(%%ebp),%%ecx\n" );
1007 printf( "\torl %%ecx,%%ecx\n" );
1008 printf( "\tje 1f\n" );
1009 printf( "\tleal 16(%%ebp),%%esi\n" );
1010 printf( "\tshll $2,%%ecx\n" );
1011 printf( "\tsubl %%ecx,%%esp\n" );
1012 printf( "\tmovl %%esp,%%edi\n" );
1013 printf( "\tshrl $2,%%ecx\n" );
1014 printf( "\tcld\n" );
1015 printf( "\trep; movsl\n" );
1018 /* Call the function */
1020 printf( "\tcall 8(%%ebp)\n" );
1022 /* Switch back to the normal stack */
1024 printf( "\tleal -12(%%ebp),%%esp\n" );
1026 /* Restore registers and return */
1028 printf( "\tpopl %%edi\n" );
1029 printf( "\tpopl %%esi\n" );
1030 printf( "\tpopl %%ecx\n" );
1031 printf( "\tpopl %%ebp\n" );
1032 printf( "\tret\n" );
1036 /*******************************************************************
1037 * TransferArgs16To32
1039 * Get the arguments from the 16-bit stack and push them on the 32-bit stack.
1040 * The 16-bit stack layout is:
1048 static int TransferArgs16To32( char *args )
1050 int i, pos16, pos32;
1052 /* Save ebx first */
1054 printf( "\tpushl %%ebx\n" );
1056 /* Get the 32-bit stack pointer */
1058 printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebx\n" );
1060 /* Copy the arguments */
1062 pos16 = 6; /* skip bp and return address */
1065 for (i = strlen(args); i > 0; i--)
1070 case 'w': /* word */
1071 printf( "\tmovzwl %d(%%ebp),%%eax\n", pos16 );
1072 printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 );
1076 case 's': /* s_word */
1077 printf( "\tmovswl %d(%%ebp),%%eax\n", pos16 );
1078 printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 );
1082 case 'l': /* long */
1083 printf( "\tmovl %d(%%ebp),%%eax\n", pos16 );
1084 printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 );
1089 /* Get the selector */
1090 printf( "\tmovw %d(%%ebp),%%ax\n", pos16 + 2 );
1091 /* Get the selector base */
1092 printf( "\tandl $0xfff8,%%eax\n" );
1093 printf( "\tmovl " PREFIX "ldt_copy(%%eax),%%eax\n" );
1094 printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 );
1095 /* Add the offset */
1096 printf( "\tmovzwl %d(%%ebp),%%eax\n", pos16 );
1097 printf( "\taddl %%eax,%d(%%ebx)\n", pos32 );
1102 fprintf( stderr, "Unknown arg type '%c'\n", args[i-1] );
1108 printf( "\tpopl %%ebx\n" );
1110 return pos16 - 6; /* Return the size of the 16-bit args */
1114 /*******************************************************************
1117 * Build the context structure on the 32-bit stack.
1118 * The only valid registers in the context structure are:
1119 * eax, ebx, ecx, edx, esi, edi, ds, es, (some of the) flags
1121 static void BuildContext(void)
1123 /* Save ebx first */
1125 printf( "\tpushl %%ebx\n" );
1127 /* Get the 32-bit stack pointer */
1129 printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebx\n" );
1131 /* Store the registers */
1133 printf( "\tpopl %d(%%ebx)\n", CONTEXTOFFSET(sc_ebx) ); /* Get ebx from stack */
1134 printf( "\tmovl %%eax,%d(%%ebx)\n", CONTEXTOFFSET(sc_eax) );
1135 printf( "\tmovl %%ecx,%d(%%ebx)\n", CONTEXTOFFSET(sc_ecx) );
1136 printf( "\tmovl %%edx,%d(%%ebx)\n", CONTEXTOFFSET(sc_edx) );
1137 printf( "\tmovl %%esi,%d(%%ebx)\n", CONTEXTOFFSET(sc_esi) );
1138 printf( "\tmovl %%edi,%d(%%ebx)\n", CONTEXTOFFSET(sc_edi) );
1139 printf( "\tmovw -10(%%ebp),%%ax\n" ); /* Get saved ds from stack */
1140 printf( "\tmovw %%ax,%d(%%ebx)\n", CONTEXTOFFSET(sc_ds) );
1141 printf( "\tmovw -12(%%ebp),%%ax\n" ); /* Get saved es from stack */
1142 printf( "\tmovw %%ax,%d(%%ebx)\n", CONTEXTOFFSET(sc_es) );
1143 printf( "\tpushfl\n" );
1145 printf( "\tpopl %d(%%ebx)\n", CONTEXTOFFSET(sc_eflags) );
1147 printf( "\tpopl %d(%%ebx)\n", CONTEXTOFFSET(sc_efl) );
1152 /*******************************************************************
1155 * Restore the registers from the context structure
1157 static void RestoreContext(void)
1159 /* Get the 32-bit stack pointer */
1161 printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebx\n" );
1163 /* Restore the registers */
1165 printf( "\tmovl %d(%%ebx),%%ecx\n", CONTEXTOFFSET(sc_ecx) );
1166 printf( "\tmovl %d(%%ebx),%%edx\n", CONTEXTOFFSET(sc_edx) );
1167 printf( "\tmovl %d(%%ebx),%%esi\n", CONTEXTOFFSET(sc_esi) );
1168 printf( "\tmovl %d(%%ebx),%%edi\n", CONTEXTOFFSET(sc_edi) );
1169 printf( "\tpopl %%eax\n" ); /* Remove old ds and es from stack */
1170 printf( "\tpushw %d(%%ebx)\n", CONTEXTOFFSET(sc_ds) ); /* Push new ds */
1171 printf( "\tpushw %d(%%ebx)\n", CONTEXTOFFSET(sc_es) ); /* Push new es */
1173 printf( "\tpushl %d(%%ebx)\n", CONTEXTOFFSET(sc_eflags) );
1175 printf( "\tpushl %d(%%ebx)\n", CONTEXTOFFSET(sc_efl) );
1177 printf( "\tpopfl\n" );
1178 printf( "\tmovl %d(%%ebx),%%eax\n", CONTEXTOFFSET(sc_eax) );
1179 printf( "\tmovl %d(%%ebx),%%ebx\n", CONTEXTOFFSET(sc_ebx) );
1183 /*******************************************************************
1186 * Build a 32-bit callback function. The syntax of the function
1187 * profile is: type_xxxxx, where 'type' is one of 'regs', 'word' or
1188 * 'long' and each 'x' is an argument ('w'=word, 's'=signed word,
1189 * 'l'=long, 'p'=pointer).
1190 * For register functions, the arguments are ignored, but they are still
1191 * removed from the stack upon return.
1193 * Stack layout upon entry to the callback function:
1195 * (sp+14) first 16-bit arg
1199 * (sp+4) dll_id+ordinal (long)
1200 * (sp) entrypoint (long)
1203 static void BuildCall32Func( char *profile )
1208 char *args = profile + 5;
1210 /* Parse function type */
1212 if (!strncmp( "word_", profile, 5 )) short_ret = 1;
1213 else if (!strncmp( "regs_", profile, 5 )) reg_func = 1;
1214 else if (strncmp( "long_", profile, 5 ))
1216 fprintf( stderr, "Invalid function name '%s', ignored\n", profile );
1220 /* Function header */
1222 printf( "/**********\n" );
1223 printf( " * " PREFIX "CallTo32_%s\n", profile );
1224 printf( " **********/\n" );
1225 printf( "\t.align 4\n" );
1226 printf( "\t.globl " PREFIX "CallTo32_%s\n\n", profile );
1227 printf( PREFIX "CallTo32_%s:\n", profile );
1229 /* Setup bp to point to its copy on the stack */
1231 printf( "\tmovzwl %%sp,%%ebp\n" );
1232 printf( "\taddw $8,%%bp\n" );
1234 /* Save 16-bit ds and es */
1236 printf( "\tpushw %%ds\n" );
1237 printf( "\tpushw %%es\n" );
1239 /* Restore 32-bit ds and es */
1241 printf( "\tpushl $0x%04x%04x\n", WINE_DATA_SELECTOR, WINE_DATA_SELECTOR );
1242 printf( "\tpopw %%ds\n" );
1243 printf( "\tpopw %%es\n" );
1246 /* Save the 16-bit stack */
1248 printf( "\tpushw " PREFIX "IF1632_Saved16_sp\n" );
1249 printf( "\tpushw " PREFIX "IF1632_Saved16_ss\n" );
1250 printf( "\tmovw %%ss," PREFIX "IF1632_Saved16_ss\n" );
1251 printf( "\tmovw %%sp," PREFIX "IF1632_Saved16_sp\n" );
1253 /* Transfer the arguments */
1255 if (reg_func) BuildContext();
1256 else if (*args) argsize = TransferArgs16To32( args );
1258 /* Get the address of the API function */
1260 printf( "\tmovl -8(%%ebp),%%eax\n" );
1262 /* If necessary, save %edx over the API function address */
1264 if (!reg_func && short_ret)
1265 printf( "\tmovl %%edx,-8(%%ebp)\n" );
1267 /* Switch to the 32-bit stack */
1269 printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebp\n" );
1270 printf( "\tpushw %%ds\n" );
1271 printf( "\tpopw %%ss\n" );
1272 printf( "\tleal -%d(%%ebp),%%esp\n",
1273 reg_func ? sizeof(struct sigcontext_struct) : 4 * strlen(args) );
1275 /* Setup %ebp to point to the previous stack frame (built by CallTo16) */
1277 printf( "\taddl $24,%%ebp\n" );
1279 /* Print the debug information before the call */
1283 printf( "\tpushl %%eax\n" );
1284 printf( "\tpushl $CALL32_Str_%s\n", profile );
1285 printf( "\tpushl $%d\n", reg_func ? 2 : (short_ret ? 1 : 0) );
1286 printf( "\tcall " PREFIX "RELAY_DebugCall32\n" );
1287 printf( "\tpopl %%eax\n" );
1288 printf( "\tpopl %%eax\n" );
1289 printf( "\tpopl %%eax\n" );
1292 /* Call the entry point */
1294 printf( "\tcall %%eax\n" );
1296 /* Print the debug information after the call */
1300 printf( "\tpushl %%eax\n" );
1301 printf( "\tpushl $%d\n", reg_func ? 2 : (short_ret ? 1 : 0) );
1302 printf( "\tcall " PREFIX "RELAY_DebugReturn\n" );
1303 printf( "\tpopl %%eax\n" );
1304 printf( "\tpopl %%eax\n" );
1307 /* Restore the 16-bit stack */
1309 printf( "\tmovw " PREFIX "IF1632_Saved16_ss,%%ss\n" );
1310 printf( "\tmovw " PREFIX "IF1632_Saved16_sp,%%sp\n" );
1311 printf( "\tpopw " PREFIX "IF1632_Saved16_ss\n" );
1312 printf( "\tpopw " PREFIX "IF1632_Saved16_sp\n" );
1316 /* Restore registers from the context structure */
1319 /* Calc the arguments size */
1333 fprintf( stderr, "Unknown arg type '%c'\n", *args );
1339 /* Restore ds and es */
1341 printf( "\tpopw %%es\n" );
1342 printf( "\tpopw %%ds\n" );
1344 /* Get the return value into dx:ax and clean up the stack */
1350 printf( "\tpopl %%edx\n" ); /* Restore %edx */
1351 printf( "\taddl $4,%%esp\n" ); /* Remove DLL id and ordinal */
1355 printf( "\tpushl %%eax\n" );
1356 printf( "\tpopw %%ax\n" );
1357 printf( "\tpopw %%dx\n" );
1358 /* Remove API entry point, DLL id and ordinal from the stack */
1359 printf( "\taddl $8,%%esp\n" );
1364 /* Remove API entry point, DLL id and ordinal from the stack, */
1365 /* but take care not to change the value of the carry flag. */
1367 printf( "\tpopl %%ebp\n" );
1368 printf( "\tpopl %%ebp\n" );
1373 printf( "\tpopw %%bp\n" );
1375 /* Remove the arguments and return */
1379 printf( "\t.byte 0x66\n" );
1380 printf( "\tlret $%d\n", argsize );
1384 printf( "\t.byte 0x66\n" );
1385 printf( "\tlret\n" );
1390 /*******************************************************************
1393 * Build a 16-bit callback function.
1395 * Stack frame of the callback function:
1399 * (ebp+16) 16-bit ds
1400 * (ebp+12) func to call
1401 * (ebp+8) code selector
1402 * (ebp+4) return address
1403 * (ebp) previous ebp
1405 * Prototypes for the CallTo16 functions:
1406 * extern WORD CallTo16_word_xxx( FARPROC func, WORD ds, args... );
1407 * extern LONG CallTo16_long_xxx( FARPROC func, WORD ds, args... );
1408 * extern void CallTo16_regs_( FARPROC func, WORD ds, WORD es, WORD bp,
1409 * WORD ax, WORD bx, WORD cx, WORD dx,
1410 * WORD si, WORD di );
1412 static void BuildCall16Func( char *profile )
1416 char *args = profile + 5;
1418 if (!strncmp( "word_", profile, 5 )) short_ret = 1;
1419 else if (!strncmp( "regs_", profile, 5 )) reg_func = short_ret = 1;
1420 else if (strncmp( "long_", profile, 5 ))
1422 fprintf( stderr, "Invalid function name '%s', ignored\n", profile );
1426 /* Function header */
1428 printf( "/**********\n" );
1429 printf( " * " PREFIX "CallTo16_%s\n", profile );
1430 printf( " **********/\n" );
1431 printf( "\t.align 4\n" );
1432 printf( "\t.globl " PREFIX "CallTo16_%s\n\n", profile );
1433 printf( PREFIX "CallTo16_%s:\n", profile );
1435 /* Push code selector before return address to simulate a lcall */
1437 printf( "\tpopl %%eax\n" );
1438 printf( "\tpushl $0x%04x\n", WINE_CODE_SELECTOR );
1439 printf( "\tpushl %%eax\n" );
1443 printf( "\tpushl %%ebp\n" );
1444 printf( "\tmovl %%esp,%%ebp\n" );
1446 /* Save the 32-bit registers */
1448 printf( "\tpushl %%ebx\n" );
1449 printf( "\tpushl %%ecx\n" );
1450 printf( "\tpushl %%edx\n" );
1451 printf( "\tpushl %%esi\n" );
1452 printf( "\tpushl %%edi\n" );
1454 /* Save the 32-bit stack */
1456 printf( "\tpushl " PREFIX "IF1632_Saved32_esp\n" );
1457 printf( "\tmovl %%esp," PREFIX "IF1632_Saved32_esp\n" );
1458 printf( "\tmovl %%ebp,%%ebx\n" );
1460 /* Print debugging info */
1464 /* Push the address of the first argument */
1465 printf( "\tmovl %%ebx,%%eax\n" );
1466 printf( "\taddl $12,%%eax\n" );
1467 printf( "\tpushl $%d\n", reg_func ? 8 : strlen(args) );
1468 printf( "\tpushl %%eax\n" );
1469 printf( "\tcall " PREFIX "RELAY_DebugCall16\n" );
1470 printf( "\tpopl %%eax\n" );
1471 printf( "\tpopl %%eax\n" );
1474 /* Switch to the 16-bit stack */
1476 printf( "\tmovw " PREFIX "IF1632_Saved16_ss,%%ss\n" );
1477 printf( "\tmovw " PREFIX "IF1632_Saved16_sp,%%sp\n" );
1479 /* Transfer the arguments */
1483 /* Get the registers. ebx is handled later on. */
1484 printf( "\tpushw 20(%%ebx)\n" );
1485 printf( "\tpopw %%es\n" );
1486 printf( "\tmovl 24(%%ebx),%%ebp\n" );
1487 printf( "\tmovl 28(%%ebx),%%eax\n" );
1488 printf( "\tmovl 36(%%ebx),%%ecx\n" );
1489 printf( "\tmovl 40(%%ebx),%%edx\n" );
1490 printf( "\tmovl 44(%%ebx),%%esi\n" );
1491 printf( "\tmovl 48(%%ebx),%%edi\n" );
1493 else /* not a register function */
1495 int pos = 20; /* first argument position */
1497 /* Make %bp point to the previous stackframe (built by CallTo32) */
1498 printf( "\tmovw %%sp,%%bp\n" );
1499 printf( "\taddw $16,%%bp\n" );
1505 case 'w': /* word */
1506 printf( "\tpushw %d(%%ebx)\n", pos );
1508 case 'l': /* long */
1509 printf( "\tpushl %d(%%ebx)\n", pos );
1516 /* Push the return address */
1518 printf( "\tpushl " PREFIX "CALL16_RetAddr_%s\n",
1519 short_ret ? "word" : "long" );
1521 /* Push the called routine address */
1523 printf( "\tpushl 12(%%ebx)\n" );
1525 /* Get the 16-bit ds */
1529 printf( "\tpushw 16(%%ebx)\n" );
1530 printf( "\tmovl 32(%%ebx),%%ebx\n" ); /*Get ebx from the 32-bit stack*/
1531 printf( "\tpopw %%ds\n" );
1535 /* Set ax equal to ds for window procedures */
1536 printf( "\tmovw 16(%%ebx),%%ax\n" );
1537 printf( "\tmovw %%ax,%%ds\n" );
1540 /* Jump to the called routine */
1542 printf( "\t.byte 0x66\n" );
1543 printf( "\tlret\n" );
1547 /*******************************************************************
1550 * Build the return code for 16-bit callbacks
1552 static void BuildRet16Func()
1554 printf( "\t.globl " PREFIX "CALL16_Ret_word\n" );
1555 printf( "\t.globl " PREFIX "CALL16_Ret_long\n" );
1557 /* Put return value into eax */
1559 printf( PREFIX "CALL16_Ret_long:\n" );
1560 printf( "\tpushw %%dx\n" );
1561 printf( "\tpushw %%ax\n" );
1562 printf( "\tpopl %%eax\n" );
1563 printf( PREFIX "CALL16_Ret_word:\n" );
1565 /* Restore 32-bit segment registers */
1567 printf( "\tmovw $0x%04x,%%bx\n", WINE_DATA_SELECTOR );
1568 printf( "\tmovw %%bx,%%ds\n" );
1569 printf( "\tmovw %%bx,%%es\n" );
1570 printf( "\tmovw %%bx,%%ss\n" );
1572 /* Restore the 32-bit stack */
1574 printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%esp\n" );
1575 printf( "\tpopl " PREFIX "IF1632_Saved32_esp\n" );
1577 /* Restore the 32-bit registers */
1579 printf( "\tpopl %%edi\n" );
1580 printf( "\tpopl %%esi\n" );
1581 printf( "\tpopl %%edx\n" );
1582 printf( "\tpopl %%ecx\n" );
1583 printf( "\tpopl %%ebx\n" );
1585 /* Return to caller */
1587 printf( "\tpopl %%ebp\n" );
1588 printf( "\tlret\n" );
1590 /* Declare the return address variables */
1592 printf( "\t.data\n" );
1593 printf( "\t.globl " PREFIX "CALL16_RetAddr_word\n" );
1594 printf( "\t.globl " PREFIX "CALL16_RetAddr_long\n" );
1595 printf( PREFIX "CALL16_RetAddr_word:\t.long 0\n" );
1596 printf( PREFIX "CALL16_RetAddr_long:\t.long 0\n" );
1597 printf( "\t.text\n" );
1601 static void usage(void)
1603 fprintf(stderr, "usage: build -spec SPECNAMES\n"
1604 " build -call32 FUNCTION_PROFILES\n"
1605 " build -call16 FUNCTION_PROFILES\n" );
1610 int main(int argc, char **argv)
1614 if (argc <= 2) usage();
1616 if (!strcmp( argv[1], "-spec16" ))
1618 for (i = 2; i < argc; i++) BuildSpec16Files( argv[i] );
1620 else if (!strcmp( argv[1], "-spec32" ))
1622 for (i = 2; i < argc; i++) BuildSpec32Files( argv[i] );
1624 else if (!strcmp( argv[1], "-call32" )) /* 32-bit callbacks */
1628 printf( "/* File generated automatically. Do no edit! */\n\n" );
1629 printf( "\t.text\n" );
1631 /* Build the 32-bit large stack callback */
1633 BuildCall32LargeStack();
1635 /* Build the callback functions */
1637 for (i = 2; i < argc; i++) BuildCall32Func( argv[i] );
1639 /* Output the argument debugging strings */
1643 printf( "/* Argument strings */\n" );
1644 for (i = 2; i < argc; i++)
1646 printf( "CALL32_Str_%s:\n", argv[i] );
1647 printf( "\t.ascii \"%s\\0\"\n", argv[i] + 5 );
1651 else if (!strcmp( argv[1], "-call16" )) /* 16-bit callbacks */
1655 printf( "/* File generated automatically. Do no edit! */\n\n" );
1656 printf( "\t.text\n" );
1657 printf( "\t.globl " PREFIX "CALL16_Start\n" );
1658 printf( PREFIX "CALL16_Start:\n" );
1660 /* Build the callback functions */
1662 for (i = 2; i < argc; i++) BuildCall16Func( argv[i] );
1664 /* Output the 16-bit return code */
1668 printf( "\t.globl " PREFIX "CALL16_End\n" );
1669 printf( PREFIX "CALL16_End:\n" );