| /* |
| * Copyright 1993 Robert J. Amstadt |
| * Copyright 1995 Alexandre Julliard |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <ctype.h> |
| #include "wine.h" |
| |
| /* ELF symbols do not have an underscore in front */ |
| #ifdef __ELF__ |
| #define PREFIX |
| #else |
| #define PREFIX "_" |
| #endif |
| |
| #define TYPE_INVALID 0 |
| #define TYPE_BYTE 1 |
| #define TYPE_WORD 2 |
| #define TYPE_LONG 3 |
| #define TYPE_PASCAL_16 4 |
| #define TYPE_PASCAL 5 |
| #define TYPE_REGISTER 6 |
| #define TYPE_ABS 7 |
| #define TYPE_RETURN 8 |
| |
| #define MAX_ORDINALS 1299 |
| |
| typedef struct ordinal_definition_s |
| { |
| int type; |
| int offset; |
| char export_name[80]; |
| void *additional_data; |
| } ORDDEF; |
| |
| typedef struct ordinal_variable_definition_s |
| { |
| int n_values; |
| int *values; |
| } ORDVARDEF; |
| |
| typedef struct ordinal_function_definition_s |
| { |
| int n_args; |
| char arg_types[32]; |
| char internal_name[80]; |
| } ORDFUNCDEF; |
| |
| typedef struct ordinal_return_definition_s |
| { |
| int arg_size; |
| int ret_value; |
| } ORDRETDEF; |
| |
| static ORDDEF OrdinalDefinitions[MAX_ORDINALS]; |
| |
| char LowerDLLName[80]; |
| char UpperDLLName[80]; |
| int Limit; |
| int DLLId; |
| FILE *SpecFp; |
| |
| char *ParseBuffer = NULL; |
| char *ParseNext; |
| char ParseSaveChar; |
| int Line; |
| |
| static int debugging = 1; |
| |
| /* Offset of register relative to the end of the context struct */ |
| #define CONTEXTOFFSET(reg) \ |
| ((int)&(((struct sigcontext_struct *)1)->reg) - 1 \ |
| - sizeof(struct sigcontext_struct)) |
| |
| static int IsNumberString(char *s) |
| { |
| while (*s != '\0') |
| if (!isdigit(*s++)) |
| return 0; |
| |
| return 1; |
| } |
| |
| static char *strlower(char *s) |
| { |
| char *p; |
| |
| for(p = s; *p != '\0'; p++) |
| *p = tolower(*p); |
| |
| return s; |
| } |
| |
| static char *strupper(char *s) |
| { |
| char *p; |
| |
| for(p = s; *p != '\0'; p++) |
| *p = toupper(*p); |
| |
| return s; |
| } |
| |
| static char * GetTokenInLine(void) |
| { |
| char *p; |
| char *token; |
| |
| if (ParseNext != ParseBuffer) |
| { |
| if (ParseSaveChar == '\0') |
| return NULL; |
| *ParseNext = ParseSaveChar; |
| } |
| |
| /* |
| * Remove initial white space. |
| */ |
| for (p = ParseNext; isspace(*p); p++) |
| ; |
| |
| if (*p == '\0') |
| return NULL; |
| |
| /* |
| * Find end of token. |
| */ |
| token = p++; |
| if (*token != '(' && *token != ')') |
| while (*p != '\0' && *p != '(' && *p != ')' && !isspace(*p)) |
| p++; |
| |
| ParseSaveChar = *p; |
| ParseNext = p; |
| *p = '\0'; |
| |
| return token; |
| } |
| |
| static char * GetToken(void) |
| { |
| char *token; |
| |
| if (ParseBuffer == NULL) |
| { |
| ParseBuffer = malloc(512); |
| ParseNext = ParseBuffer; |
| Line++; |
| while (1) |
| { |
| if (fgets(ParseBuffer, 511, SpecFp) == NULL) |
| return NULL; |
| if (ParseBuffer[0] != '#') |
| break; |
| } |
| } |
| |
| while ((token = GetTokenInLine()) == NULL) |
| { |
| ParseNext = ParseBuffer; |
| Line++; |
| while (1) |
| { |
| if (fgets(ParseBuffer, 511, SpecFp) == NULL) |
| return NULL; |
| if (ParseBuffer[0] != '#') |
| break; |
| } |
| } |
| |
| return token; |
| } |
| |
| static int ParseVariable(int ordinal, int type) |
| { |
| ORDDEF *odp; |
| ORDVARDEF *vdp; |
| char export_name[80]; |
| char *token; |
| char *endptr; |
| int *value_array; |
| int n_values; |
| int value_array_size; |
| |
| strcpy(export_name, GetToken()); |
| |
| token = GetToken(); |
| if (*token != '(') |
| { |
| fprintf(stderr, "%d: Expected '(' got '%s'\n", Line, token); |
| exit(1); |
| } |
| |
| n_values = 0; |
| value_array_size = 25; |
| value_array = malloc(sizeof(*value_array) * value_array_size); |
| |
| while ((token = GetToken()) != NULL) |
| { |
| if (*token == ')') |
| break; |
| |
| value_array[n_values++] = strtol(token, &endptr, 0); |
| if (n_values == value_array_size) |
| { |
| value_array_size += 25; |
| value_array = realloc(value_array, |
| sizeof(*value_array) * value_array_size); |
| } |
| |
| if (endptr == NULL || *endptr != '\0') |
| { |
| fprintf(stderr, "%d: Expected number value, got '%s'\n", Line, |
| token); |
| exit(1); |
| } |
| } |
| |
| if (token == NULL) |
| { |
| fprintf(stderr, "%d: End of file in variable declaration\n", Line); |
| exit(1); |
| } |
| |
| if (ordinal >= MAX_ORDINALS) |
| { |
| fprintf(stderr, "%d: Ordinal number too large\n", Line); |
| exit(1); |
| } |
| |
| odp = &OrdinalDefinitions[ordinal]; |
| odp->type = type; |
| strcpy(odp->export_name, export_name); |
| |
| vdp = malloc(sizeof(*vdp)); |
| odp->additional_data = vdp; |
| |
| vdp->n_values = n_values; |
| vdp->values = realloc(value_array, sizeof(*value_array) * n_values); |
| |
| return 0; |
| } |
| |
| static int ParseExportFunction(int ordinal, int type) |
| { |
| char *token; |
| ORDDEF *odp; |
| ORDFUNCDEF *fdp; |
| int i; |
| |
| if (ordinal >= MAX_ORDINALS) |
| { |
| fprintf(stderr, "%d: Ordinal number too large\n", Line); |
| exit(1); |
| } |
| |
| odp = &OrdinalDefinitions[ordinal]; |
| strcpy(odp->export_name, GetToken()); |
| odp->type = type; |
| fdp = malloc(sizeof(*fdp)); |
| odp->additional_data = fdp; |
| |
| token = GetToken(); |
| if (*token != '(') |
| { |
| fprintf(stderr, "%d: Expected '(' got '%s'\n", Line, token); |
| exit(1); |
| } |
| |
| for (i = 0; i < 16; i++) |
| { |
| token = GetToken(); |
| if (*token == ')') |
| break; |
| |
| if (!strcmp(token, "byte") || !strcmp(token, "word")) |
| fdp->arg_types[i] = 'w'; |
| else if (!strcmp(token, "s_byte") || !strcmp(token, "s_word")) |
| fdp->arg_types[i] = 's'; |
| else if (!strcmp(token, "long") || !strcmp(token, "segptr")) |
| fdp->arg_types[i] = 'l'; |
| else if (!strcmp(token, "ptr")) |
| fdp->arg_types[i] = 'p'; |
| else |
| { |
| fprintf(stderr, "%d: Unknown variable type '%s'\n", Line, token); |
| exit(1); |
| } |
| } |
| fdp->arg_types[i] = '\0'; |
| |
| if ((type == TYPE_REGISTER) && (i > 0)) |
| { |
| fprintf( stderr, "%d: Register function can't have arguments\n", Line); |
| exit(1); |
| } |
| |
| strcpy(fdp->internal_name, GetToken()); |
| return 0; |
| } |
| |
| static int ParseEquate(int ordinal) |
| { |
| ORDDEF *odp; |
| char *token; |
| char *endptr; |
| int value; |
| |
| if (ordinal >= MAX_ORDINALS) |
| { |
| fprintf(stderr, "%d: Ordinal number too large\n", Line); |
| exit(1); |
| } |
| |
| odp = &OrdinalDefinitions[ordinal]; |
| strcpy(odp->export_name, GetToken()); |
| |
| token = GetToken(); |
| value = strtol(token, &endptr, 0); |
| if (endptr == NULL || *endptr != '\0') |
| { |
| fprintf(stderr, "%d: Expected number value, got '%s'\n", Line, |
| token); |
| exit(1); |
| } |
| |
| odp->type = TYPE_ABS; |
| odp->additional_data = (void *) value; |
| |
| return 0; |
| } |
| |
| static int ParseReturn(int ordinal) |
| { |
| ORDDEF *odp; |
| ORDRETDEF *rdp; |
| char *token; |
| char *endptr; |
| |
| if (ordinal >= MAX_ORDINALS) |
| { |
| fprintf(stderr, "%d: Ordinal number too large\n", Line); |
| exit(1); |
| } |
| |
| rdp = malloc(sizeof(*rdp)); |
| |
| odp = &OrdinalDefinitions[ordinal]; |
| strcpy(odp->export_name, GetToken()); |
| odp->type = TYPE_RETURN; |
| odp->additional_data = rdp; |
| |
| token = GetToken(); |
| rdp->arg_size = strtol(token, &endptr, 0); |
| if (endptr == NULL || *endptr != '\0') |
| { |
| fprintf(stderr, "%d: Expected number value, got '%s'\n", Line, |
| token); |
| exit(1); |
| } |
| |
| token = GetToken(); |
| rdp->ret_value = strtol(token, &endptr, 0); |
| if (endptr == NULL || *endptr != '\0') |
| { |
| fprintf(stderr, "%d: Expected number value, got '%s'\n", Line, |
| token); |
| exit(1); |
| } |
| |
| return 0; |
| } |
| |
| static int ParseOrdinal(int ordinal) |
| { |
| char *token; |
| |
| token = GetToken(); |
| if (token == NULL) |
| { |
| fprintf(stderr, "%d: Expected type after ordinal\n", Line); |
| exit(1); |
| } |
| |
| if (strcmp(token, "byte") == 0) |
| return ParseVariable(ordinal, TYPE_BYTE); |
| else if (strcmp(token, "word") == 0) |
| return ParseVariable(ordinal, TYPE_WORD); |
| else if (strcmp(token, "long") == 0) |
| return ParseVariable(ordinal, TYPE_LONG); |
| else if (strcmp(token, "p") == 0) |
| return ParseExportFunction(ordinal, TYPE_PASCAL); |
| else if (strcmp(token, "pascal") == 0) |
| return ParseExportFunction(ordinal, TYPE_PASCAL); |
| else if (strcmp(token, "pascal16") == 0) |
| return ParseExportFunction(ordinal, TYPE_PASCAL_16); |
| else if (strcmp(token, "register") == 0) |
| return ParseExportFunction(ordinal, TYPE_REGISTER); |
| else if (strcmp(token, "equate") == 0) |
| return ParseEquate(ordinal); |
| else if (strcmp(token, "return") == 0) |
| return ParseReturn(ordinal); |
| else |
| { |
| fprintf(stderr, |
| "%d: Expected type after ordinal, found '%s' instead\n", |
| Line, token); |
| exit(1); |
| } |
| } |
| |
| static int ParseTopLevel(void) |
| { |
| char *token; |
| |
| while ((token = GetToken()) != NULL) |
| { |
| if (strcmp(token, "name") == 0) |
| { |
| strcpy(LowerDLLName, GetToken()); |
| strlower(LowerDLLName); |
| |
| strcpy(UpperDLLName, LowerDLLName); |
| strupper(UpperDLLName); |
| } |
| else if (strcmp(token, "id") == 0) |
| { |
| token = GetToken(); |
| if (!IsNumberString(token)) |
| { |
| fprintf(stderr, "%d: Expected number after id\n", Line); |
| exit(1); |
| } |
| |
| DLLId = atoi(token); |
| } |
| else if (strcmp(token, "length") == 0) |
| { |
| token = GetToken(); |
| if (!IsNumberString(token)) |
| { |
| fprintf(stderr, "%d: Expected number after length\n", Line); |
| exit(1); |
| } |
| |
| Limit = atoi(token); |
| } |
| else if (IsNumberString(token)) |
| { |
| int ordinal; |
| int rv; |
| |
| ordinal = atoi(token); |
| if ((rv = ParseOrdinal(ordinal)) < 0) |
| return rv; |
| } |
| else |
| { |
| fprintf(stderr, |
| "%d: Expected name, id, length or ordinal\n", Line); |
| exit(1); |
| } |
| } |
| |
| return 0; |
| } |
| |
| |
| static int OutputVariableCode(FILE *fp, char *storage, ORDDEF *odp) |
| { |
| ORDVARDEF *vdp; |
| int i; |
| |
| vdp = odp->additional_data; |
| fprintf( fp, "\t.data\n" ); |
| for (i = 0; i < vdp->n_values; i++) |
| { |
| if ((i & 7) == 0) |
| fprintf(fp, "\t%s\t", storage); |
| |
| fprintf(fp, "%d", vdp->values[i]); |
| |
| if ((i & 7) == 7 || i == vdp->n_values - 1) |
| fprintf(fp, "\n"); |
| else |
| fprintf(fp, ", "); |
| } |
| fprintf(fp, "\n"); |
| fprintf( fp, "\t.text\n" ); |
| return vdp->n_values; |
| } |
| |
| static void BuildSpecFiles( char *specname) |
| { |
| ORDDEF *odp; |
| ORDFUNCDEF *fdp; |
| ORDRETDEF *rdp; |
| FILE *fp; |
| char filename[80]; |
| int i; |
| int code_offset, data_offset; |
| |
| SpecFp = fopen( specname, "r"); |
| if (SpecFp == NULL) |
| { |
| fprintf(stderr, "Could not open specification file, '%s'\n", specname); |
| exit(1); |
| } |
| |
| ParseTopLevel(); |
| |
| sprintf(filename, "dll_%s.S", LowerDLLName); |
| fp = fopen(filename, "w"); |
| fprintf( fp, "/* File generated automatically; do not edit! */\n" ); |
| fprintf( fp, "\t.data\n" ); |
| fprintf( fp, "\t.globl " PREFIX "%s_Data_Start\n", UpperDLLName ); |
| fprintf( fp, PREFIX "%s_Data_Start:\n", UpperDLLName ); |
| fprintf( fp, "\t.text\n" ); |
| fprintf( fp, "\t.globl " PREFIX "%s_Code_Start\n", UpperDLLName ); |
| fprintf( fp, PREFIX "%s_Code_Start:\n", UpperDLLName ); |
| code_offset = data_offset = 0; |
| |
| odp = OrdinalDefinitions; |
| for (i = 0; i <= Limit; i++, odp++) |
| { |
| fdp = odp->additional_data; |
| rdp = odp->additional_data; |
| |
| switch (odp->type) |
| { |
| case TYPE_INVALID: |
| fprintf( fp, "/* %s.%d */\n", UpperDLLName, i); |
| fprintf( fp, "\tpushw %%bp\n" ); |
| fprintf( fp, "\tpushl $0x%08x\n", (DLLId << 16) | i); |
| fprintf( fp, "\tpushl $" PREFIX "RELAY_Unimplemented\n" ); |
| fprintf( fp, "\tljmp $0x%04x, $" PREFIX "CallTo32_word_\n", |
| WINE_CODE_SELECTOR ); |
| odp->offset = code_offset; |
| code_offset += 19; /* Assembly code is 19 bytes long */ |
| break; |
| |
| case TYPE_ABS: |
| odp->offset = (int)odp->additional_data & 0xffff; |
| break; |
| |
| case TYPE_BYTE: |
| fprintf( fp, "/* %s.%d */\n", UpperDLLName, i); |
| odp->offset = data_offset; |
| data_offset += OutputVariableCode(fp, ".byte", odp); |
| break; |
| |
| case TYPE_WORD: |
| fprintf( fp, "/* %s.%d */\n", UpperDLLName, i); |
| odp->offset = data_offset; |
| data_offset += 2 * OutputVariableCode(fp, ".word", odp); |
| break; |
| |
| case TYPE_LONG: |
| fprintf( fp, "/* %s.%d */\n", UpperDLLName, i); |
| odp->offset = data_offset; |
| data_offset += 4 * OutputVariableCode(fp, ".long", odp); |
| break; |
| |
| case TYPE_RETURN: |
| fprintf( fp, "/* %s.%d */\n", UpperDLLName, i); |
| fprintf( fp, "\tmovw $%d,%%ax\n", rdp->ret_value & 0xffff ); |
| fprintf( fp, "\tmovw $%d,%%dx\n", (rdp->ret_value >> 16) & 0xffff); |
| fprintf(fp, "\t.byte 0x66\n"); |
| if (rdp->arg_size != 0) |
| fprintf(fp, "\tlret $%d\n", rdp->arg_size); |
| else |
| fprintf(fp, "\tlret\n"); |
| odp->offset = code_offset; |
| code_offset += 10; /* Assembly code is 10 bytes long */ |
| if (rdp->arg_size != 0) code_offset += 2; |
| break; |
| |
| case TYPE_REGISTER: |
| case TYPE_PASCAL: |
| case TYPE_PASCAL_16: |
| fprintf( fp, "/* %s.%d */\n", UpperDLLName, i); |
| fprintf(fp, "\tpushw %%bp\n" ); |
| fprintf(fp, "\tpushl $0x%08x\n", (DLLId << 16) | i); |
| fprintf(fp, "\tpushl $" PREFIX "%s\n", fdp->internal_name ); |
| fprintf(fp, "\tljmp $0x%04x, $" PREFIX "CallTo32_%s_%s\n\n", |
| WINE_CODE_SELECTOR, |
| (odp->type == TYPE_REGISTER) ? "regs" : |
| (odp->type == TYPE_PASCAL) ? "long" : "word", |
| fdp->arg_types ); |
| odp->offset = code_offset; |
| code_offset += 19; /* Assembly code is 19 bytes long */ |
| break; |
| |
| default: |
| fprintf( stderr, "build: Unknown function type; please report.\n"); |
| break; |
| } |
| } |
| |
| fprintf( fp, "\t.data\n" ); |
| fprintf( fp, "\t.globl " PREFIX "%s_Data_End\n", UpperDLLName ); |
| fprintf( fp, PREFIX "%s_Data_End:\n", UpperDLLName ); |
| fprintf( fp, "\t.text\n" ); |
| fprintf( fp, "\t.globl " PREFIX "%s_Code_End\n", UpperDLLName ); |
| fprintf( fp, PREFIX "%s_Code_End:\n", UpperDLLName ); |
| |
| fclose(fp); |
| |
| sprintf(filename, "tab_%s.c", LowerDLLName); |
| fp = fopen(filename, "w"); |
| |
| fprintf( fp, "/* File generated automatically; do not edit! */\n\n" ); |
| fprintf( fp, "#include \"dlls.h\"\n\n" ); |
| fprintf( fp, "static struct dll_table_entry_s %s_table_entries[%d] =\n{\n", |
| UpperDLLName, Limit + 1); |
| odp = OrdinalDefinitions; |
| for (i = 0; i <= Limit; i++, odp++) |
| { |
| int selector; |
| |
| fdp = odp->additional_data; |
| |
| switch (odp->type) |
| { |
| case TYPE_INVALID: |
| case TYPE_PASCAL: |
| case TYPE_PASCAL_16: |
| case TYPE_REGISTER: |
| selector = 1; /* Code selector */ |
| break; |
| |
| case TYPE_BYTE: |
| case TYPE_WORD: |
| case TYPE_LONG: |
| selector = 2; /* Data selector */ |
| break; |
| |
| case TYPE_ABS: |
| selector = 0xff; /* Constant selector */ |
| break; |
| } |
| |
| fprintf(fp, " { %d, %d, ", selector, odp->offset ); |
| fprintf(fp, "\"%s\" ", odp->export_name); |
| #ifdef WINESTAT |
| fprintf(fp, ",0 "); |
| #endif |
| fprintf(fp, "}, \n"); |
| } |
| |
| fprintf(fp, "};\n\n"); |
| |
| fprintf( fp, "extern void %s_Code_Start();\n", UpperDLLName ); |
| fprintf( fp, "extern void %s_Code_End();\n", UpperDLLName ); |
| fprintf( fp, "extern void %s_Data_Start();\n", UpperDLLName ); |
| fprintf( fp, "extern void %s_Data_End();\n\n", UpperDLLName ); |
| fprintf( fp, "struct dll_table_s %s_table =\n{\n", UpperDLLName ); |
| fprintf( fp, " %s_table_entries, %d, %d,\n", |
| UpperDLLName, Limit + 1, DLLId ); |
| fprintf( fp, " (void *)%s_Code_Start, (void *)%s_Code_End,\n", |
| UpperDLLName, UpperDLLName ); |
| fprintf( fp, " (void *)%s_Data_Start, (void *)%s_Data_End\n};\n", |
| UpperDLLName, UpperDLLName ); |
| fclose(fp); |
| } |
| |
| |
| /******************************************************************* |
| * TransferArgs16To32 |
| * |
| * Get the arguments from the 16-bit stack and push them on the 32-bit stack. |
| * The 16-bit stack layout is: |
| * ... ... |
| * (bp+8) arg2 |
| * (bp+6) arg1 |
| * (bp+4) cs |
| * (bp+2) ip |
| * (bp) bp |
| */ |
| static int TransferArgs16To32( char *args ) |
| { |
| int i, pos16, pos32; |
| |
| /* Save ebx first */ |
| |
| printf( "\tpushl %%ebx\n" ); |
| |
| /* Get the 32-bit stack pointer */ |
| |
| printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebx\n" ); |
| |
| /* Copy the arguments */ |
| |
| pos16 = 6; /* skip bp and return address */ |
| pos32 = 0; |
| |
| for (i = strlen(args); i > 0; i--) |
| { |
| pos32 -= 4; |
| switch(args[i-1]) |
| { |
| case 'w': /* word */ |
| printf( "\tmovzwl %d(%%ebp),%%eax\n", pos16 ); |
| printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 ); |
| pos16 += 2; |
| break; |
| |
| case 's': /* s_word */ |
| printf( "\tmovswl %d(%%ebp),%%eax\n", pos16 ); |
| printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 ); |
| pos16 += 2; |
| break; |
| |
| case 'l': /* long */ |
| printf( "\tmovl %d(%%ebp),%%eax\n", pos16 ); |
| printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 ); |
| pos16 += 4; |
| break; |
| |
| case 'p': /* ptr */ |
| /* Get the selector */ |
| printf( "\tmovw %d(%%ebp),%%ax\n", pos16 + 2 ); |
| /* Get the selector base */ |
| printf( "\tandl $0xfff8,%%eax\n" ); |
| printf( "\tmovl " PREFIX "ldt_copy(%%eax),%%eax\n" ); |
| printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 ); |
| /* Add the offset */ |
| printf( "\tmovzwl %d(%%ebp),%%eax\n", pos16 ); |
| printf( "\taddl %%eax,%d(%%ebx)\n", pos32 ); |
| pos16 += 4; |
| break; |
| |
| default: |
| fprintf( stderr, "Unknown arg type '%c'\n", args[i-1] ); |
| } |
| } |
| |
| /* Restore ebx */ |
| |
| printf( "\tpopl %%ebx\n" ); |
| |
| return pos16 - 6; /* Return the size of the 16-bit args */ |
| } |
| |
| |
| /******************************************************************* |
| * BuildContext |
| * |
| * Build the context structure on the 32-bit stack. |
| * The only valid registers in the context structure are: |
| * eax, ebx, ecx, edx, esi, edi, ds, es, (some of the) flags |
| */ |
| static void BuildContext(void) |
| { |
| /* Save ebx first */ |
| |
| printf( "\tpushl %%ebx\n" ); |
| |
| /* Get the 32-bit stack pointer */ |
| |
| printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebx\n" ); |
| |
| /* Store the registers */ |
| |
| printf( "\tpopl %d(%%ebx)\n", CONTEXTOFFSET(sc_ebx) ); /* Get ebx from stack */ |
| printf( "\tmovl %%eax,%d(%%ebx)\n", CONTEXTOFFSET(sc_eax) ); |
| printf( "\tmovl %%ecx,%d(%%ebx)\n", CONTEXTOFFSET(sc_ecx) ); |
| printf( "\tmovl %%edx,%d(%%ebx)\n", CONTEXTOFFSET(sc_edx) ); |
| printf( "\tmovl %%esi,%d(%%ebx)\n", CONTEXTOFFSET(sc_esi) ); |
| printf( "\tmovl %%edi,%d(%%ebx)\n", CONTEXTOFFSET(sc_edi) ); |
| printf( "\tmovw %%es,%d(%%ebx)\n", CONTEXTOFFSET(sc_es) ); |
| printf( "\tmovw -10(%%ebp),%%ax\n" ); /* Get saved ds from stack */ |
| printf( "\tmovw %%ax,%d(%%ebx)\n", CONTEXTOFFSET(sc_ds) ); |
| printf( "\tpushfl\n" ); |
| #ifndef __FreeBSD__ |
| printf( "\tpopl %d(%%ebx)\n", CONTEXTOFFSET(sc_eflags) ); |
| #else |
| printf( "\tpopl %d(%%ebx)\n", CONTEXTOFFSET(sc_efl) ); |
| #endif |
| } |
| |
| |
| /******************************************************************* |
| * RestoreContext |
| * |
| * Restore the registers from the context structure |
| */ |
| static void RestoreContext(void) |
| { |
| /* Get the 32-bit stack pointer */ |
| |
| printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebx\n" ); |
| |
| /* Restore the registers */ |
| |
| printf( "\tmovl %d(%%ebx),%%ecx\n", CONTEXTOFFSET(sc_ecx) ); |
| printf( "\tmovl %d(%%ebx),%%edx\n", CONTEXTOFFSET(sc_edx) ); |
| printf( "\tmovl %d(%%ebx),%%esi\n", CONTEXTOFFSET(sc_esi) ); |
| printf( "\tmovl %d(%%ebx),%%edi\n", CONTEXTOFFSET(sc_edi) ); |
| printf( "\tmovw %d(%%ebx),%%es\n", CONTEXTOFFSET(sc_es) ); |
| printf( "\tpopw %%ax\n" ); /* Remove old ds from the stack */ |
| printf( "\tpushw %d(%%ebx)\n", CONTEXTOFFSET(sc_ds) ); /* Push new ds */ |
| #ifndef __FreeBSD__ |
| printf( "\tpushl %d(%%ebx)\n", CONTEXTOFFSET(sc_eflags) ); |
| #else |
| printf( "\tpushl %d(%%ebx)\n", CONTEXTOFFSET(sc_efl) ); |
| #endif |
| printf( "\tpopfl\n" ); |
| printf( "\tmovl %d(%%ebx),%%eax\n", CONTEXTOFFSET(sc_eax) ); |
| printf( "\tmovl %d(%%ebx),%%ebx\n", CONTEXTOFFSET(sc_ebx) ); |
| } |
| |
| |
| /******************************************************************* |
| * BuildCall32Func |
| * |
| * Build a 32-bit callback function. The syntax of the function |
| * profile is: type_xxxxx, where 'type' is one of 'regs', 'word' or |
| * 'long' and each 'x' is an argument ('w'=word, 's'=signed word, |
| * 'l'=long, 'p'=pointer). |
| * |
| * Stack layout upon entry to the callback function: |
| * ... ... |
| * (sp+14) first 16-bit arg |
| * (sp+12) cs (word) |
| * (sp+10) ip (word) |
| * (sp+8) bp (word) |
| * (sp+4) dll_id+ordinal (long) |
| * (sp) entrypoint (long) |
| * |
| */ |
| static void BuildCall32Func( char *profile ) |
| { |
| int argsize = 0; |
| int short_ret = 0; |
| int reg_func = 0; |
| char *args = profile + 5; |
| |
| /* Parse function type */ |
| |
| if (!strncmp( "word_", profile, 5 )) short_ret = 1; |
| else if (!strncmp( "regs_", profile, 5 )) reg_func = 1; |
| else if (strncmp( "long_", profile, 5 )) |
| { |
| fprintf( stderr, "Invalid function name '%s', ignored\n", profile ); |
| return; |
| } |
| |
| /* Function header */ |
| |
| printf( "/**********\n" ); |
| printf( " * " PREFIX "CallTo32_%s\n", profile ); |
| printf( " **********/\n" ); |
| printf( "\t.align 4\n" ); |
| printf( "\t.global " PREFIX "CallTo32_%s\n\n", profile ); |
| printf( PREFIX "CallTo32_%s:\n", profile ); |
| |
| /* Setup bp to point to its copy on the stack */ |
| |
| printf( "\tmovzwl %%sp,%%ebp\n" ); |
| printf( "\taddw $8,%%bp\n" ); |
| |
| /* Save 16-bit ds */ |
| |
| printf( "\tpushw %%ds\n" ); |
| |
| /* Restore 32-bit ds */ |
| |
| printf( "\tpushw $0x%04x\n", WINE_DATA_SELECTOR ); |
| printf( "\tpopw %%ds\n" ); |
| |
| /* Save the 16-bit stack */ |
| |
| printf( "\tpushw " PREFIX "IF1632_Saved16_bp\n" ); |
| printf( "\tpushw " PREFIX "IF1632_Saved16_sp\n" ); |
| printf( "\tpushw " PREFIX "IF1632_Saved16_ss\n" ); |
| printf( "\tmovw %%ss," PREFIX "IF1632_Saved16_ss\n" ); |
| printf( "\tmovw %%sp," PREFIX "IF1632_Saved16_sp\n" ); |
| printf( "\tmovw %%bp," PREFIX "IF1632_Saved16_bp\n" ); |
| |
| /* Transfer the arguments */ |
| |
| if (reg_func) BuildContext(); |
| else if (*args) argsize = TransferArgs16To32( args ); |
| |
| /* Get the address of the API function */ |
| |
| printf( "\tmovl -8(%%ebp),%%eax\n" ); |
| |
| /* Setup es */ |
| |
| printf( "\tpushw %%ds\n" ); |
| printf( "\tpopw %%es\n" ); |
| |
| /* Switch to the 32-bit stack */ |
| |
| printf( "\tpushw %%ds\n" ); |
| printf( "\tpopw %%ss\n" ); |
| printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%esp\n" ); |
| printf( "\tmovl " PREFIX "IF1632_Saved32_ebp,%%ebp\n" ); |
| if (reg_func) |
| printf( "\tsubl $%d,%%esp\n", sizeof(struct sigcontext_struct) ); |
| else if (*args) |
| printf( "\tsubl $%d,%%esp\n", 4 * strlen(args) ); |
| |
| /* Call the entry point */ |
| |
| if (debugging) |
| { |
| printf( "\tpushl %%eax\n" ); |
| printf( "\tpushl $CALL32_Str_%s\n", profile ); |
| printf( "\tcall " PREFIX "RELAY_DebugCall32\n" ); |
| printf( "\tpopl %%eax\n" ); |
| printf( "\tpopl %%eax\n" ); |
| } |
| |
| printf( "\tcall %%eax\n" ); |
| |
| if (debugging) |
| { |
| printf( "\tpushl %%eax\n" ); |
| printf( "\tpushl $%d\n", short_ret ); |
| printf( "\tcall " PREFIX "RELAY_DebugReturn\n" ); |
| printf( "\tpopl %%eax\n" ); |
| printf( "\tpopl %%eax\n" ); |
| } |
| |
| if (reg_func) |
| printf( "\taddl $%d,%%esp\n", sizeof(struct sigcontext_struct) ); |
| else if (*args) |
| printf( "\taddl $%d,%%esp\n", 4 * strlen(args) ); |
| |
| /* Restore the 16-bit stack */ |
| |
| printf( "\tmovw " PREFIX "IF1632_Saved16_ss,%%ss\n" ); |
| printf( "\tmovw " PREFIX "IF1632_Saved16_sp,%%sp\n" ); |
| printf( "\tmovw " PREFIX "IF1632_Saved16_bp,%%bp\n" ); |
| printf( "\tpopw " PREFIX "IF1632_Saved16_ss\n" ); |
| printf( "\tpopw " PREFIX "IF1632_Saved16_sp\n" ); |
| printf( "\tpopw " PREFIX "IF1632_Saved16_bp\n" ); |
| |
| /* Restore registers from the context structure */ |
| |
| if (reg_func) |
| { |
| printf( "\tandl $0xffff,%%ebp\n" ); |
| RestoreContext(); |
| } |
| else /* Store the return value in dx:ax if needed */ |
| { |
| if (!short_ret) |
| { |
| printf( "\tpushl %%eax\n" ); |
| printf( "\tpopw %%dx\n" ); |
| printf( "\tpopw %%dx\n" ); |
| } |
| } |
| |
| /* Restore ds and bp */ |
| |
| printf( "\tpopw %%ds\n" ); |
| printf( "\tmovw %%bp,%%sp\n" ); |
| printf( "\tpopw %%bp\n" ); |
| |
| /* Remove the arguments and return */ |
| |
| if (argsize) |
| { |
| printf( "\t.byte 0x66\n" ); |
| printf( "\tlret $%d\n", argsize ); |
| } |
| else |
| { |
| printf( "\t.byte 0x66\n" ); |
| printf( "\tlret\n" ); |
| } |
| } |
| |
| |
| /******************************************************************* |
| * BuildCall16Func |
| * |
| * Build a 16-bit callback function. |
| * |
| * Stack frame of the callback function: |
| * ... ... |
| * (ebp+22) arg2 |
| * (ebp+18) arg1 |
| * (ebp+14) 16-bit ds |
| * (ebp+10) func to call |
| * (ebp+8) code selector |
| * (ebp+4) return address |
| * (ebp) previous ebp |
| * |
| * Prototypes for the CallTo16 functions: |
| * extern WORD CallTo16_word_xxx( FARPROC func, WORD ds, args... ); |
| * extern LONG CallTo16_long_xxx( FARPROC func, WORD ds, args... ); |
| * extern void CallTo16_regs_( FARPROC func, WORD ds, WORD es, WORD ax, |
| * WORD bx, WORD cx, WORD dx, WORD si, WORD di ); |
| */ |
| static void BuildCall16Func( char *profile ) |
| { |
| int short_ret = 0; |
| int reg_func = 0; |
| char *args = profile + 5; |
| |
| if (!strncmp( "word_", profile, 5 )) short_ret = 1; |
| else if (!strncmp( "regs_", profile, 5 )) reg_func = short_ret = 1; |
| else if (strncmp( "long_", profile, 5 )) |
| { |
| fprintf( stderr, "Invalid function name '%s', ignored\n", profile ); |
| return; |
| } |
| |
| /* Function header */ |
| |
| printf( "/**********\n" ); |
| printf( " * " PREFIX "CallTo16_%s\n", profile ); |
| printf( " **********/\n" ); |
| printf( "\t.align 4\n" ); |
| printf( "\t.global " PREFIX "CallTo16_%s\n\n", profile ); |
| printf( PREFIX "CallTo16_%s:\n", profile ); |
| |
| /* Push code selector before return address to simulate a lcall */ |
| |
| printf( "\tpopl %%eax\n" ); |
| printf( "\tpushw $0x%04x\n", WINE_CODE_SELECTOR ); |
| printf( "\tpushl %%eax\n" ); |
| |
| /* Entry code */ |
| |
| printf( "\tpushl %%ebp\n" ); |
| printf( "\tmovl %%esp,%%ebp\n" ); |
| |
| /* Save the 32-bit registers */ |
| |
| printf( "\tpushl %%ebx\n" ); |
| printf( "\tpushl %%ecx\n" ); |
| printf( "\tpushl %%edx\n" ); |
| printf( "\tpushl %%esi\n" ); |
| printf( "\tpushl %%edi\n" ); |
| |
| /* Save the 32-bit stack */ |
| |
| printf( "\tpushl " PREFIX "IF1632_Saved32_esp\n" ); |
| printf( "\tpushl " PREFIX "IF1632_Saved32_ebp\n" ); |
| printf( "\tmovl %%esp," PREFIX "IF1632_Saved32_esp\n" ); |
| printf( "\tmovl %%ebp," PREFIX "IF1632_Saved32_ebp\n" ); |
| printf( "\tmovl %%ebp,%%ebx\n" ); |
| |
| /* Print debugging info */ |
| |
| if (debugging) |
| { |
| /* Push the address of the first argument */ |
| printf( "\tmovl %%ebx,%%eax\n" ); |
| printf( "\taddl $10,%%eax\n" ); |
| printf( "\tpushl $%d\n", reg_func ? 7 : strlen(args) ); |
| printf( "\tpushl %%eax\n" ); |
| printf( "\tcall " PREFIX "RELAY_DebugCall16\n" ); |
| printf( "\tpopl %%eax\n" ); |
| printf( "\tpopl %%eax\n" ); |
| } |
| |
| /* Switch to the 16-bit stack */ |
| |
| printf( "\tmovw " PREFIX "IF1632_Saved16_ss,%%ss\n" ); |
| printf( "\tmovw " PREFIX "IF1632_Saved16_sp,%%sp\n" ); |
| printf( "\tmovzwl " PREFIX "IF1632_Saved16_bp,%%ebp\n" ); |
| |
| /* Transfer the arguments */ |
| |
| if (reg_func) |
| { |
| /* Get the registers. ebx is handled later on. */ |
| printf( "\tmovl 18(%%ebx),%%es\n" ); |
| printf( "\tmovl 22(%%ebx),%%eax\n" ); |
| printf( "\tmovl 30(%%ebx),%%ecx\n" ); |
| printf( "\tmovl 34(%%ebx),%%edx\n" ); |
| printf( "\tmovl 38(%%ebx),%%esi\n" ); |
| printf( "\tmovl 42(%%ebx),%%edi\n" ); |
| } |
| else /* not a register function */ |
| { |
| int pos = 18; /* first argument position */ |
| while (*args) |
| { |
| switch(*args++) |
| { |
| case 'w': /* word */ |
| printf( "\tpushw %d(%%ebx)\n", pos ); |
| break; |
| case 'l': /* long */ |
| printf( "\tpushl %d(%%ebx)\n", pos ); |
| break; |
| } |
| pos += 4; |
| } |
| } |
| |
| /* Push the return address */ |
| |
| printf( "\tpushl " PREFIX "CALL16_RetAddr_%s\n", |
| short_ret ? "word" : "long" ); |
| |
| /* Push the called routine address */ |
| |
| printf( "\tpushl 10(%%ebx)\n" ); |
| |
| /* Get the 16-bit ds */ |
| /* FIXME: this shouldn't be necessary if function prologs fixup worked. */ |
| |
| printf( "\tmovw 14(%%ebx),%%ds\n" ); |
| |
| if (reg_func) |
| { |
| /* Retrieve ebx from the 32-bit stack */ |
| printf( "\tmovl %%fs:26(%%ebx),%%ebx\n" ); |
| } |
| else |
| { |
| /* Set ax equal to ds for window procedures */ |
| printf( "\tmovw %%ds,%%ax\n" ); |
| } |
| |
| /* Jump to the called routine */ |
| |
| printf( "\t.byte 0x66\n" ); |
| printf( "\tlret\n" ); |
| } |
| |
| |
| /******************************************************************* |
| * BuildRet16Func |
| * |
| * Build the return code for 16-bit callbacks |
| */ |
| static void BuildRet16Func() |
| { |
| printf( "\t.globl " PREFIX "CALL16_Ret_word\n" ); |
| printf( "\t.globl " PREFIX "CALL16_Ret_long\n" ); |
| |
| /* Put return value into eax */ |
| |
| printf( PREFIX "CALL16_Ret_long:\n" ); |
| printf( "\tpushw %%dx\n" ); |
| printf( "\tpushw %%ax\n" ); |
| printf( "\tpopl %%eax\n" ); |
| printf( PREFIX "CALL16_Ret_word:\n" ); |
| |
| /* Restore 32-bit segment registers */ |
| |
| printf( "\tmovw $0x%04x,%%bx\n", WINE_DATA_SELECTOR ); |
| printf( "\tmovw %%bx,%%ds\n" ); |
| printf( "\tmovw %%bx,%%es\n" ); |
| printf( "\tmovw %%bx,%%ss\n" ); |
| |
| /* Restore the 32-bit stack */ |
| |
| printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%esp\n" ); |
| printf( "\tmovl " PREFIX "IF1632_Saved32_ebp,%%ebp\n" ); |
| printf( "\tpopl " PREFIX "IF1632_Saved32_ebp\n" ); |
| printf( "\tpopl " PREFIX "IF1632_Saved32_esp\n" ); |
| |
| /* Restore the 32-bit registers */ |
| |
| printf( "\tpopl %%edi\n" ); |
| printf( "\tpopl %%esi\n" ); |
| printf( "\tpopl %%edx\n" ); |
| printf( "\tpopl %%ecx\n" ); |
| printf( "\tpopl %%ebx\n" ); |
| |
| /* Return to caller */ |
| |
| printf( "\tmovl %%ebp,%%esp\n" ); |
| printf( "\tpopl %%ebp\n" ); |
| printf( "\tlret\n" ); |
| |
| /* Declare the return address variables */ |
| |
| printf( "\t.data\n" ); |
| printf( "\t.globl " PREFIX "CALL16_RetAddr_word\n" ); |
| printf( "\t.globl " PREFIX "CALL16_RetAddr_long\n" ); |
| printf( PREFIX "CALL16_RetAddr_word:\t.long 0\n" ); |
| printf( PREFIX "CALL16_RetAddr_long:\t.long 0\n" ); |
| printf( "\t.text\n" ); |
| } |
| |
| |
| static void usage(void) |
| { |
| fprintf(stderr, "usage: build -spec SPECNAMES\n" |
| " build -call32 FUNCTION_PROFILES\n" |
| " build -call16 FUNCTION_PROFILES\n" ); |
| exit(1); |
| } |
| |
| |
| int main(int argc, char **argv) |
| { |
| int i; |
| |
| if (argc <= 2) usage(); |
| |
| if (!strcmp( argv[1], "-spec" )) |
| { |
| for (i = 2; i < argc; i++) BuildSpecFiles( argv[i] ); |
| } |
| else if (!strcmp( argv[1], "-call32" )) /* 32-bit callbacks */ |
| { |
| /* File header */ |
| |
| printf( "/* File generated automatically. Do no edit! */\n\n" ); |
| printf( "\t.text\n" ); |
| |
| /* Build the callback functions */ |
| |
| for (i = 2; i < argc; i++) BuildCall32Func( argv[i] ); |
| |
| /* Output the argument debugging strings */ |
| |
| if (debugging) |
| { |
| printf( "/* Argument strings */\n" ); |
| for (i = 2; i < argc; i++) |
| { |
| printf( "CALL32_Str_%s:\n", argv[i] ); |
| printf( "\t.ascii \"%s\\0\"\n", argv[i] + 5 ); |
| } |
| } |
| } |
| else if (!strcmp( argv[1], "-call16" )) /* 16-bit callbacks */ |
| { |
| /* File header */ |
| |
| printf( "/* File generated automatically. Do no edit! */\n\n" ); |
| printf( "\t.text\n" ); |
| printf( "\t.globl " PREFIX "CALL16_Start\n" ); |
| printf( PREFIX "CALL16_Start:\n" ); |
| |
| /* Build the callback functions */ |
| |
| for (i = 2; i < argc; i++) BuildCall16Func( argv[i] ); |
| |
| /* Output the 16-bit return code */ |
| |
| BuildRet16Func(); |
| |
| printf( "\t.globl " PREFIX "CALL16_End\n" ); |
| printf( PREFIX "CALL16_End:\n" ); |
| } |
| else usage(); |
| |
| return 0; |
| } |
