1661 lines
42 KiB
C
1661 lines
42 KiB
C
/*
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* Copyright 1993 Robert J. Amstadt
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* Copyright 1995 Alexandre Julliard
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* Copyright 1995 Martin von Loewis
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "wine.h"
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#include "module.h"
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#include "neexe.h"
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/* ELF symbols do not have an underscore in front */
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#ifdef __ELF__
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#define PREFIX
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#else
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#define PREFIX "_"
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#endif
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#define TYPE_INVALID 0
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#define TYPE_BYTE 1
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#define TYPE_WORD 2
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#define TYPE_LONG 3
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#define TYPE_PASCAL_16 4
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#define TYPE_PASCAL 5
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#define TYPE_REGISTER 6
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#define TYPE_ABS 7
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#define TYPE_RETURN 8
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#define TYPE_STUB 9
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#define TYPE_STDCALL 10
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#define MAX_ORDINALS 1299
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/* Callback function used for stub functions */
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#define STUB_CALLBACK "RELAY_Unimplemented"
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typedef struct ordinal_definition_s
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{
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int type;
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int offset;
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char export_name[80];
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void *additional_data;
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} ORDDEF;
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typedef struct ordinal_variable_definition_s
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{
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int n_values;
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int *values;
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} ORDVARDEF;
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typedef struct ordinal_function_definition_s
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{
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int n_args;
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char arg_types[32];
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char internal_name[80];
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} ORDFUNCDEF;
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typedef struct ordinal_return_definition_s
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{
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int arg_size;
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int ret_value;
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} ORDRETDEF;
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static ORDDEF OrdinalDefinitions[MAX_ORDINALS];
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char LowerDLLName[80];
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char UpperDLLName[80];
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int Limit = 0;
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int DLLId;
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int Base = 0;
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FILE *SpecFp;
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char *ParseBuffer = NULL;
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char *ParseNext;
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char ParseSaveChar;
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int Line;
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static int debugging = 1;
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/* Offset of register relative to the end of the context struct */
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#define CONTEXTOFFSET(reg) \
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((int)&(((struct sigcontext_struct *)1)->reg) - 1 \
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- sizeof(struct sigcontext_struct))
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static int IsNumberString(char *s)
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{
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while (*s != '\0')
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if (!isdigit(*s++))
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return 0;
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return 1;
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}
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static char *strlower(char *s)
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{
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char *p;
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for(p = s; *p != '\0'; p++)
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*p = tolower(*p);
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return s;
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}
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static char *strupper(char *s)
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{
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char *p;
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for(p = s; *p != '\0'; p++)
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*p = toupper(*p);
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return s;
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}
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static char * GetTokenInLine(void)
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{
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char *p;
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char *token;
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if (ParseNext != ParseBuffer)
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{
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if (ParseSaveChar == '\0')
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return NULL;
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*ParseNext = ParseSaveChar;
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}
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/*
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* Remove initial white space.
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*/
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for (p = ParseNext; isspace(*p); p++)
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;
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if ((*p == '\0') || (*p == '#'))
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return NULL;
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/*
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* Find end of token.
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*/
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token = p++;
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if (*token != '(' && *token != ')')
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while (*p != '\0' && *p != '(' && *p != ')' && !isspace(*p))
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p++;
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ParseSaveChar = *p;
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ParseNext = p;
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*p = '\0';
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return token;
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}
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static char * GetToken(void)
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{
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char *token;
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if (ParseBuffer == NULL)
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{
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ParseBuffer = malloc(512);
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ParseNext = ParseBuffer;
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Line++;
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while (1)
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{
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if (fgets(ParseBuffer, 511, SpecFp) == NULL)
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return NULL;
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if (ParseBuffer[0] != '#')
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break;
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}
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}
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while ((token = GetTokenInLine()) == NULL)
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{
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ParseNext = ParseBuffer;
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Line++;
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while (1)
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{
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if (fgets(ParseBuffer, 511, SpecFp) == NULL)
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return NULL;
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if (ParseBuffer[0] != '#')
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break;
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}
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}
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return token;
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}
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static int ParseVariable(int ordinal, int type)
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{
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ORDDEF *odp;
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ORDVARDEF *vdp;
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char export_name[80];
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char *token;
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char *endptr;
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int *value_array;
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int n_values;
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int value_array_size;
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strcpy(export_name, GetToken());
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token = GetToken();
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if (*token != '(')
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{
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fprintf(stderr, "%d: Expected '(' got '%s'\n", Line, token);
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exit(1);
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}
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n_values = 0;
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value_array_size = 25;
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value_array = malloc(sizeof(*value_array) * value_array_size);
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while ((token = GetToken()) != NULL)
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{
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if (*token == ')')
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break;
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value_array[n_values++] = strtol(token, &endptr, 0);
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if (n_values == value_array_size)
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{
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value_array_size += 25;
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value_array = realloc(value_array,
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sizeof(*value_array) * value_array_size);
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}
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if (endptr == NULL || *endptr != '\0')
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{
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fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
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token);
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exit(1);
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}
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}
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if (token == NULL)
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{
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fprintf(stderr, "%d: End of file in variable declaration\n", Line);
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exit(1);
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}
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if (ordinal >= MAX_ORDINALS)
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{
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fprintf(stderr, "%d: Ordinal number too large\n", Line);
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exit(1);
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}
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odp = &OrdinalDefinitions[ordinal];
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odp->type = type;
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strcpy(odp->export_name, export_name);
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vdp = malloc(sizeof(*vdp));
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odp->additional_data = vdp;
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vdp->n_values = n_values;
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vdp->values = realloc(value_array, sizeof(*value_array) * n_values);
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return 0;
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}
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static int ParseExportFunction(int ordinal, int type)
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{
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char *token;
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ORDDEF *odp;
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ORDFUNCDEF *fdp;
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int i;
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odp = &OrdinalDefinitions[ordinal];
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strcpy(odp->export_name, GetToken());
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odp->type = type;
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fdp = malloc(sizeof(*fdp));
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odp->additional_data = fdp;
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token = GetToken();
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if (*token != '(')
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{
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fprintf(stderr, "%d: Expected '(' got '%s'\n", Line, token);
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exit(1);
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}
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for (i = 0; i < 16; i++)
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{
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token = GetToken();
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if (*token == ')')
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break;
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if (!strcmp(token, "byte") || !strcmp(token, "word"))
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fdp->arg_types[i] = 'w';
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else if (!strcmp(token, "s_byte") || !strcmp(token, "s_word"))
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fdp->arg_types[i] = 's';
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else if (!strcmp(token, "long") || !strcmp(token, "segptr"))
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fdp->arg_types[i] = 'l';
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else if (!strcmp(token, "ptr"))
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fdp->arg_types[i] = 'p';
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else
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{
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fprintf(stderr, "%d: Unknown variable type '%s'\n", Line, token);
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exit(1);
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}
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}
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fdp->arg_types[i] = '\0';
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strcpy(fdp->internal_name, GetToken());
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return 0;
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}
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static int ParseEquate(int ordinal)
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{
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ORDDEF *odp;
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char *token;
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char *endptr;
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int value;
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odp = &OrdinalDefinitions[ordinal];
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strcpy(odp->export_name, GetToken());
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token = GetToken();
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value = strtol(token, &endptr, 0);
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if (endptr == NULL || *endptr != '\0')
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{
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fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
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token);
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exit(1);
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}
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odp->type = TYPE_ABS;
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odp->additional_data = (void *) value;
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return 0;
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}
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static int ParseReturn(int ordinal)
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{
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ORDDEF *odp;
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ORDRETDEF *rdp;
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char *token;
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char *endptr;
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rdp = malloc(sizeof(*rdp));
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odp = &OrdinalDefinitions[ordinal];
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strcpy(odp->export_name, GetToken());
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odp->type = TYPE_RETURN;
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odp->additional_data = rdp;
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token = GetToken();
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rdp->arg_size = strtol(token, &endptr, 0);
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if (endptr == NULL || *endptr != '\0')
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{
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fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
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token);
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exit(1);
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}
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token = GetToken();
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rdp->ret_value = strtol(token, &endptr, 0);
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if (endptr == NULL || *endptr != '\0')
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{
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fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
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token);
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exit(1);
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}
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return 0;
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}
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static int ParseStub( int ordinal )
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{
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ORDDEF *odp;
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ORDFUNCDEF *fdp;
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odp = &OrdinalDefinitions[ordinal];
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strcpy( odp->export_name, GetToken() );
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odp->type = TYPE_STUB;
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fdp = malloc(sizeof(*fdp));
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odp->additional_data = fdp;
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fdp->arg_types[0] = '\0';
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strcpy( fdp->internal_name, STUB_CALLBACK );
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return 0;
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}
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static int ParseOrdinal(int ordinal)
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{
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char *token;
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if (ordinal >= MAX_ORDINALS)
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{
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fprintf(stderr, "%d: Ordinal number too large\n", Line);
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exit(1);
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}
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if (ordinal > Limit) Limit = ordinal;
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token = GetToken();
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if (token == NULL)
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{
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fprintf(stderr, "%d: Expected type after ordinal\n", Line);
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exit(1);
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}
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if (strcmp(token, "byte") == 0)
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return ParseVariable(ordinal, TYPE_BYTE);
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else if (strcmp(token, "word") == 0)
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return ParseVariable(ordinal, TYPE_WORD);
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else if (strcmp(token, "long") == 0)
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return ParseVariable(ordinal, TYPE_LONG);
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else if (strcmp(token, "p") == 0)
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return ParseExportFunction(ordinal, TYPE_PASCAL);
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else if (strcmp(token, "pascal") == 0)
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return ParseExportFunction(ordinal, TYPE_PASCAL);
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else if (strcmp(token, "pascal16") == 0)
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return ParseExportFunction(ordinal, TYPE_PASCAL_16);
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else if (strcmp(token, "register") == 0)
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return ParseExportFunction(ordinal, TYPE_REGISTER);
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else if (strcmp(token, "stdcall") == 0)
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return ParseExportFunction(ordinal, TYPE_STDCALL);
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else if (strcmp(token, "equate") == 0)
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return ParseEquate(ordinal);
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else if (strcmp(token, "return") == 0)
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return ParseReturn(ordinal);
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else if (strcmp(token, "stub") == 0)
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return ParseStub(ordinal);
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else
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{
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fprintf(stderr,
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"%d: Expected type after ordinal, found '%s' instead\n",
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Line, token);
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exit(1);
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}
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}
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static int ParseTopLevel(void)
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{
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char *token;
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while ((token = GetToken()) != NULL)
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{
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if (strcmp(token, "name") == 0)
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{
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strcpy(LowerDLLName, GetToken());
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strlower(LowerDLLName);
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strcpy(UpperDLLName, LowerDLLName);
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strupper(UpperDLLName);
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}
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else if (strcmp(token, "id") == 0)
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{
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token = GetToken();
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if (!IsNumberString(token))
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{
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fprintf(stderr, "%d: Expected number after id\n", Line);
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exit(1);
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}
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DLLId = atoi(token);
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}
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else if (strcmp(token, "base") == 0)
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{
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token = GetToken();
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if (!IsNumberString(token))
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{
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fprintf(stderr, "%d: Expected number after base\n", Line);
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exit(1);
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}
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Base = atoi(token);
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}
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else if (IsNumberString(token))
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{
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int ordinal;
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int rv;
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ordinal = atoi(token);
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if ((rv = ParseOrdinal(ordinal)) < 0)
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return rv;
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}
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else
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{
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fprintf(stderr,
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"%d: Expected name, id, length or ordinal\n", Line);
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exit(1);
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}
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}
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return 0;
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}
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static int OutputVariableCode( char *storage, ORDDEF *odp )
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{
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ORDVARDEF *vdp;
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int i;
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vdp = odp->additional_data;
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printf( "\t.data\n" );
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for (i = 0; i < vdp->n_values; i++)
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{
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if ((i & 7) == 0)
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printf( "\t%s\t", storage);
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printf( "%d", vdp->values[i]);
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if ((i & 7) == 7 || i == vdp->n_values - 1) printf( "\n");
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else printf( ", ");
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}
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printf( "\n");
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printf( "\t.text\n" );
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return vdp->n_values;
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}
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/*******************************************************************
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* BuildModule
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*
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* Build the in-memory representation of the module, and dump it
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* as a byte stream into the assembly code.
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*/
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static void BuildModule( int max_code_offset, int max_data_offset )
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{
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ORDDEF *odp;
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int i, size;
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char *buffer;
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NE_MODULE *pModule;
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SEGTABLEENTRY *pSegment;
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LOADEDFILEINFO *pFileInfo;
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BYTE *pstr, *bundle;
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WORD *pword;
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/* Module layout:
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* NE_MODULE Module
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* LOADEDFILEINFO File information
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* SEGTABLEENTRY Segment 1 (code)
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* SEGTABLEENTRY Segment 2 (data)
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* WORD[2] Resource table (empty)
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* BYTE[2] Imported names (empty)
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* BYTE[n] Resident names table
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* BYTE[n] Entry table
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*/
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buffer = malloc( 0x10000 );
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pModule = (NE_MODULE *)buffer;
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pModule->magic = NE_SIGNATURE;
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pModule->count = 1;
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pModule->next = 0;
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pModule->flags = NE_FFLAGS_SINGLEDATA | NE_FFLAGS_LIBMODULE;
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pModule->dgroup = 2;
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pModule->heap_size = 0xffff;
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pModule->stack_size = 0;
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pModule->ip = 0;
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pModule->cs = 0;
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pModule->sp = 0;
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pModule->ss = 0;
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pModule->seg_count = 2;
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pModule->modref_count = 0;
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pModule->nrname_size = 0;
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pModule->modref_table = 0;
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pModule->nrname_fpos = 0;
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pModule->moveable_entries = 0;
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pModule->alignment = 0;
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pModule->truetype = 0;
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pModule->os_flags = NE_OSFLAGS_WINDOWS;
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pModule->misc_flags = 0;
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pModule->dlls_to_init = 0;
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pModule->nrname_handle = 0;
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pModule->min_swap_area = 0;
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pModule->expected_version = 0x030a;
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/* File information */
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pFileInfo = (LOADEDFILEINFO *)(pModule + 1);
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pModule->fileinfo = (int)pFileInfo - (int)pModule;
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pFileInfo->length = sizeof(LOADEDFILEINFO) + strlen(UpperDLLName) + 3;
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pFileInfo->fixed_media = 0;
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pFileInfo->error = 0;
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pFileInfo->date = 0;
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pFileInfo->time = 0;
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sprintf( pFileInfo->filename, "%s.DLL", UpperDLLName );
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pstr = (char *)pFileInfo + pFileInfo->length + 1;
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|
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/* Segment table */
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pSegment = (SEGTABLEENTRY *)pstr;
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pModule->seg_table = (int)pSegment - (int)pModule;
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pSegment->filepos = 0;
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pSegment->size = max_code_offset;
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pSegment->flags = 0;
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pSegment->minsize = max_code_offset;
|
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pSegment->selector = 0;
|
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pSegment++;
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|
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pModule->dgroup_entry = (int)pSegment - (int)pModule;
|
|
pSegment->filepos = 0;
|
|
pSegment->size = max_data_offset;
|
|
pSegment->flags = NE_SEGFLAGS_DATA;
|
|
pSegment->minsize = max_data_offset;
|
|
pSegment->selector = 0;
|
|
pSegment++;
|
|
|
|
/* Resource table */
|
|
|
|
pword = (WORD *)pSegment;
|
|
pModule->res_table = (int)pword - (int)pModule;
|
|
*pword++ = 0;
|
|
*pword++ = 0;
|
|
|
|
/* Imported names table */
|
|
|
|
pstr = (char *)pword;
|
|
pModule->import_table = (int)pstr - (int)pModule;
|
|
*pstr++ = 0;
|
|
*pstr++ = 0;
|
|
|
|
/* Resident names table */
|
|
|
|
pModule->name_table = (int)pstr - (int)pModule;
|
|
/* First entry is module name */
|
|
*pstr = strlen(UpperDLLName );
|
|
strcpy( pstr + 1, UpperDLLName );
|
|
pstr += *pstr + 1;
|
|
*(WORD *)pstr = 0;
|
|
pstr += sizeof(WORD);
|
|
/* Store all ordinals */
|
|
odp = OrdinalDefinitions + 1;
|
|
for (i = 1; i <= Limit; i++, odp++)
|
|
{
|
|
if (!odp->export_name[0]) continue;
|
|
*pstr = strlen( odp->export_name );
|
|
strcpy( pstr + 1, odp->export_name );
|
|
strupper( pstr + 1 );
|
|
pstr += *pstr + 1;
|
|
*(WORD *)pstr = i;
|
|
pstr += sizeof(WORD);
|
|
}
|
|
*pstr++ = 0;
|
|
|
|
/* Entry table */
|
|
|
|
pModule->entry_table = (int)pstr - (int)pModule;
|
|
bundle = NULL;
|
|
odp = OrdinalDefinitions + 1;
|
|
for (i = 1; i <= Limit; i++, odp++)
|
|
{
|
|
int selector = 0;
|
|
|
|
switch (odp->type)
|
|
{
|
|
case TYPE_INVALID:
|
|
selector = 0; /* Invalid selector */
|
|
break;
|
|
|
|
case TYPE_PASCAL:
|
|
case TYPE_PASCAL_16:
|
|
case TYPE_REGISTER:
|
|
case TYPE_RETURN:
|
|
case TYPE_STUB:
|
|
selector = 1; /* Code selector */
|
|
break;
|
|
|
|
case TYPE_BYTE:
|
|
case TYPE_WORD:
|
|
case TYPE_LONG:
|
|
selector = 2; /* Data selector */
|
|
break;
|
|
|
|
case TYPE_ABS:
|
|
selector = 0xfe; /* Constant selector */
|
|
break;
|
|
}
|
|
|
|
/* create a new bundle if necessary */
|
|
if (!bundle || (bundle[0] >= 254) || (bundle[1] != selector))
|
|
{
|
|
bundle = pstr;
|
|
bundle[0] = 0;
|
|
bundle[1] = selector;
|
|
pstr += 2;
|
|
}
|
|
|
|
(*bundle)++;
|
|
if (selector != 0)
|
|
{
|
|
*pstr++ = 1;
|
|
*(WORD *)pstr = odp->offset;
|
|
pstr += sizeof(WORD);
|
|
}
|
|
}
|
|
*pstr++ = 0;
|
|
|
|
/* Dump the module content */
|
|
|
|
printf( "\t.data\n" );
|
|
printf( "\t.globl " PREFIX "%s_Module_Start\n", UpperDLLName );
|
|
printf( PREFIX "%s_Module_Start:\n", UpperDLLName );
|
|
size = (int)pstr - (int)pModule;
|
|
for (i = 0, pstr = buffer; i < size; i++, pstr++)
|
|
{
|
|
if (!(i & 7)) printf( "\t.byte " );
|
|
printf( "%d%c", *pstr, ((i & 7) != 7) ? ',' : '\n' );
|
|
}
|
|
if (i & 7) printf( "0\n" );
|
|
printf( "\t.globl " PREFIX "%s_Module_End\n", UpperDLLName );
|
|
printf( PREFIX "%s_Module_End:\n", UpperDLLName );
|
|
}
|
|
|
|
|
|
static void BuildSpec32Files( char *specname )
|
|
{
|
|
ORDDEF *odp;
|
|
ORDFUNCDEF *fdp;
|
|
ORDRETDEF *rdp;
|
|
int i;
|
|
|
|
SpecFp = fopen( specname, "r");
|
|
if (SpecFp == NULL)
|
|
{
|
|
fprintf(stderr, "Could not open specification file, '%s'\n", specname);
|
|
exit(1);
|
|
}
|
|
|
|
ParseTopLevel();
|
|
|
|
printf( "/* File generated automatically, do not edit! */\n" );
|
|
printf( "#include <sys/types.h>\n");
|
|
printf( "#include \"dlls.h\"\n");
|
|
printf( "#include \"pe_image.h\"\n");
|
|
printf( "#include \"winerror.h\"\n");
|
|
printf( "#include \"stddebug.h\"\n");
|
|
printf( "#include \"debug.h\"\n");
|
|
printf( "\nextern int RELAY32_Unimplemented();\n\n" );
|
|
|
|
odp = OrdinalDefinitions;
|
|
for (i = 0; i <= Limit; i++, odp++)
|
|
{
|
|
int argno,argc;
|
|
fdp = odp->additional_data;
|
|
rdp = odp->additional_data;
|
|
|
|
switch (odp->type)
|
|
{
|
|
case TYPE_INVALID:
|
|
case TYPE_STUB:
|
|
printf( "int %s_%d()\n{\n\t", UpperDLLName, i);
|
|
printf( "RELAY32_Unimplemented(\"%s\",%d);\n", UpperDLLName, i);
|
|
printf( "\t/*NOTREACHED*/\n\treturn 0;\n}\n\n");
|
|
break;
|
|
case TYPE_STDCALL:
|
|
argc=strlen(fdp->arg_types);
|
|
printf( "void %s_%d(", UpperDLLName, i);
|
|
for(argno=0;argno<argc;argno++)
|
|
{
|
|
switch(fdp->arg_types[argno])
|
|
{
|
|
case 'p': printf( "void *");break;
|
|
case 'l': printf( "int ");break;
|
|
default:
|
|
fprintf(stderr, "Not supported argument type %c\n",
|
|
fdp->arg_types[argno]);
|
|
exit(1);
|
|
}
|
|
putchar( 'a'+argno );
|
|
if (argno!=argc-1) putchar( ',' );
|
|
}
|
|
printf( ")\n{\n" );
|
|
printf( "\textern int %s();\n", fdp->internal_name );
|
|
printf( "\tdprintf_relay(stddeb,\"Entering %%s.%%s(");
|
|
for (argno=0;argno<argc;argno++) printf( "%%x ");
|
|
printf( ")\\n\", \"%s\", \"%s\"", UpperDLLName, odp->export_name);
|
|
for(argno=0;argno<argc;argno++) printf( ",%c", 'a'+argno);
|
|
printf( ");\n\t%s(", fdp->internal_name );
|
|
for(argno=0;argno<argc;argno++)
|
|
{
|
|
putchar('a'+argno);
|
|
if (argno!=argc-1) putchar(',');
|
|
}
|
|
printf( ");\n\t__asm__ __volatile__(\"movl %%ebp,%%esp;"
|
|
"popl %%ebp;ret $%d\");\n}\n\n",
|
|
4*argc);
|
|
break;
|
|
case TYPE_RETURN:
|
|
printf( "void %s_%d()\n{\n\t", UpperDLLName, i);
|
|
printf( "RELAY32_DebugEnter(\"%s\",\"%s\");\n\t",
|
|
UpperDLLName, odp->export_name);
|
|
printf( "WIN32_LastError=ERROR_CALL_NOT_IMPLEMENTED;\n");
|
|
printf( "\t__asm__ __volatile__ (\"movl %d,%%eax\");\n",
|
|
rdp->ret_value);
|
|
printf( "\t__asm__ __volatile__ (\"movl %%ebp,%%esp;popl %%ebp;"
|
|
"ret $%d\");\n}\n\n", rdp->arg_size);
|
|
break;
|
|
default:
|
|
fprintf(stderr,"build: function type %d not available for Win32\n",
|
|
odp->type);
|
|
break;
|
|
}
|
|
}
|
|
|
|
printf( "static WIN32_function functions[%d+1]={\n", Limit);
|
|
|
|
odp = OrdinalDefinitions;
|
|
for (i = 0; i <= Limit; i++, odp++)
|
|
{
|
|
fdp = odp->additional_data;
|
|
rdp = odp->additional_data;
|
|
|
|
switch (odp->type)
|
|
{
|
|
case TYPE_INVALID:
|
|
printf( "{0,%s_%d},\n",UpperDLLName, i);
|
|
break;
|
|
case TYPE_RETURN:
|
|
case TYPE_STDCALL:
|
|
case TYPE_STUB:
|
|
printf( "{\"%s\",%s_%d},\n", odp->export_name, UpperDLLName, i);
|
|
break;
|
|
default:
|
|
fprintf(stderr, "build: implementation error: missing %d\n",
|
|
odp->type);
|
|
exit(1);
|
|
}
|
|
}
|
|
printf("};\n\n");
|
|
|
|
printf( "static WIN32_builtin dll={\"%s\",functions,%d,0};\n",
|
|
UpperDLLName, Limit);
|
|
|
|
printf( "void %s_Init(void)\n{\n",UpperDLLName);
|
|
printf( "\tdll.next=WIN32_builtin_list;\n");
|
|
printf( "\tWIN32_builtin_list=&dll;\n}");
|
|
}
|
|
|
|
|
|
static void BuildSpec16Files( char *specname )
|
|
{
|
|
ORDDEF *odp;
|
|
ORDFUNCDEF *fdp;
|
|
ORDRETDEF *rdp;
|
|
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();
|
|
|
|
printf( "/* File generated automatically; do not edit! */\n" );
|
|
printf( "\t.data\n" );
|
|
printf( "\t.globl " PREFIX "%s_Data_Start\n", UpperDLLName );
|
|
printf( PREFIX "%s_Data_Start:\n", UpperDLLName );
|
|
printf( "\t.word 0,0,0,0,0,0,0,0\n" );
|
|
data_offset = 16;
|
|
printf( "\t.text\n" );
|
|
printf( "\t.globl " PREFIX "%s_Code_Start\n", UpperDLLName );
|
|
printf( PREFIX "%s_Code_Start:\n", UpperDLLName );
|
|
code_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:
|
|
odp->offset = 0xffff;
|
|
break;
|
|
|
|
case TYPE_ABS:
|
|
odp->offset = (int)odp->additional_data & 0xffff;
|
|
break;
|
|
|
|
case TYPE_BYTE:
|
|
printf( "/* %s.%d */\n", UpperDLLName, i);
|
|
odp->offset = data_offset;
|
|
data_offset += OutputVariableCode( ".byte", odp);
|
|
break;
|
|
|
|
case TYPE_WORD:
|
|
printf( "/* %s.%d */\n", UpperDLLName, i);
|
|
odp->offset = data_offset;
|
|
data_offset += 2 * OutputVariableCode( ".word", odp);
|
|
break;
|
|
|
|
case TYPE_LONG:
|
|
printf( "/* %s.%d */\n", UpperDLLName, i);
|
|
odp->offset = data_offset;
|
|
data_offset += 4 * OutputVariableCode( ".long", odp);
|
|
break;
|
|
|
|
case TYPE_RETURN:
|
|
printf( "/* %s.%d */\n", UpperDLLName, i);
|
|
printf( "\tmovw $%d,%%ax\n", rdp->ret_value & 0xffff );
|
|
printf( "\tmovw $%d,%%dx\n", (rdp->ret_value >> 16) & 0xffff);
|
|
printf( "\t.byte 0x66\n");
|
|
if (rdp->arg_size != 0)
|
|
printf( "\tlret $%d\n", rdp->arg_size);
|
|
else
|
|
printf( "\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:
|
|
case TYPE_STUB:
|
|
printf( "/* %s.%d */\n", UpperDLLName, i);
|
|
printf( "\tpushw %%bp\n" );
|
|
printf( "\tpushl $0x%08x\n", (DLLId << 16) | i);
|
|
printf( "\tpushl $" PREFIX "%s\n", fdp->internal_name );
|
|
printf( "\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 );
|
|
printf( "\tnop\n" );
|
|
printf( "\tnop\n" );
|
|
printf( "\tnop\n" );
|
|
printf( "\tnop\n" );
|
|
printf( "\tnop\n" );
|
|
odp->offset = code_offset;
|
|
code_offset += 24; /* Assembly code is 24 bytes long */
|
|
break;
|
|
|
|
default:
|
|
fprintf( stderr, "build: Unknown function type; please report.\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!code_offset) /* Make sure the code segment is not empty */
|
|
{
|
|
printf( "\t.byte 0\n" );
|
|
code_offset++;
|
|
}
|
|
|
|
BuildModule( code_offset, data_offset );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* BuildCall32LargeStack
|
|
*
|
|
* Build the function used to switch to the original 32-bit stack
|
|
* before calling a 32-bit function from 32-bit code. This is used for
|
|
* functions that need a large stack, like X bitmaps functions.
|
|
*
|
|
* The generated function has the following prototype:
|
|
* int CallTo32_LargeStack( int (*func)(), int nbargs, ... )
|
|
*
|
|
* Stack layout:
|
|
* ... ...
|
|
* (ebp+20) arg2
|
|
* (ebp+16) arg1
|
|
* (ebp+12) nbargs
|
|
* (ebp+8) func
|
|
* (ebp+4) ret addr
|
|
* (ebp) ebp
|
|
*/
|
|
static void BuildCall32LargeStack(void)
|
|
{
|
|
/* Function header */
|
|
|
|
printf( "/**********\n" );
|
|
printf( " * " PREFIX "CallTo32_LargeStack\n" );
|
|
printf( " **********/\n" );
|
|
printf( "\t.align 4\n" );
|
|
printf( "\t.globl " PREFIX "CallTo32_LargeStack\n\n" );
|
|
printf( PREFIX "CallTo32_LargeStack:\n" );
|
|
|
|
/* Entry code */
|
|
|
|
printf( "\tpushl %%ebp\n" );
|
|
printf( "\tmovl %%esp,%%ebp\n" );
|
|
|
|
/* Save registers */
|
|
|
|
printf( "\tpushl %%ecx\n" );
|
|
printf( "\tpushl %%esi\n" );
|
|
printf( "\tpushl %%edi\n" );
|
|
|
|
/* Retrieve the original 32-bit stack pointer and switch to it if any */
|
|
|
|
printf( "\tmovl " PREFIX "IF1632_Original32_esp, %%eax\n" );
|
|
printf( "\torl %%eax,%%eax\n" );
|
|
printf( "\tje 0f\n" );
|
|
printf( "\tmovl %%eax,%%esp\n" );
|
|
printf( "0:\n" );
|
|
|
|
/* Transfer the arguments */
|
|
|
|
printf( "\tleal 16(%%ebp),%%esi\n" );
|
|
printf( "\tmovl 12(%%ebp),%%ecx\n" );
|
|
printf( "\torl %%ecx,%%ecx\n" );
|
|
printf( "\tje 1f\n" );
|
|
printf( "\tshll $2,%%ecx\n" );
|
|
printf( "\tsubl %%ecx,%%esp\n" );
|
|
printf( "\tmovl %%esp,%%edi\n" );
|
|
printf( "\tshrl $2,%%ecx\n" );
|
|
printf( "\trep; movsl\n" );
|
|
printf( "1:\n" );
|
|
|
|
/* Call the function */
|
|
|
|
printf( "\tcall 8(%%ebp)\n" );
|
|
|
|
/* Switch back to the normal stack */
|
|
|
|
printf( "\tleal -12(%%ebp),%%esp\n" );
|
|
|
|
/* Restore registers and return */
|
|
|
|
printf( "\tpopl %%edi\n" );
|
|
printf( "\tpopl %%esi\n" );
|
|
printf( "\tpopl %%ecx\n" );
|
|
printf( "\tpopl %%ebp\n" );
|
|
printf( "\tret\n" );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* 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 -10(%%ebp),%%ax\n" ); /* Get saved ds from stack */
|
|
printf( "\tmovw %%ax,%d(%%ebx)\n", CONTEXTOFFSET(sc_ds) );
|
|
printf( "\tmovw -12(%%ebp),%%ax\n" ); /* Get saved es from stack */
|
|
printf( "\tmovw %%ax,%d(%%ebx)\n", CONTEXTOFFSET(sc_es) );
|
|
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( "\tpopl %%eax\n" ); /* Remove old ds and es from stack */
|
|
printf( "\tpushw %d(%%ebx)\n", CONTEXTOFFSET(sc_ds) ); /* Push new ds */
|
|
printf( "\tpushw %d(%%ebx)\n", CONTEXTOFFSET(sc_es) ); /* Push new es */
|
|
#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).
|
|
* For register functions, the arguments are ignored, but they are still
|
|
* removed from the stack upon return.
|
|
*
|
|
* 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.globl " 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 and es */
|
|
|
|
printf( "\tpushw %%ds\n" );
|
|
printf( "\tpushw %%es\n" );
|
|
|
|
/* Restore 32-bit ds and es */
|
|
|
|
printf( "\tpushl $0x%04x%04x\n", WINE_DATA_SELECTOR, WINE_DATA_SELECTOR );
|
|
printf( "\tpopw %%ds\n" );
|
|
printf( "\tpopw %%es\n" );
|
|
|
|
|
|
/* Save the 16-bit stack */
|
|
|
|
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" );
|
|
|
|
/* 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" );
|
|
|
|
/* If necessary, save %edx over the API function address */
|
|
|
|
if (!reg_func && short_ret)
|
|
printf( "\tmovl %%edx,-8(%%ebp)\n" );
|
|
|
|
/* Switch to the 32-bit stack */
|
|
|
|
printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebp\n" );
|
|
printf( "\tpushw %%ds\n" );
|
|
printf( "\tpopw %%ss\n" );
|
|
printf( "\tleal -%d(%%ebp),%%esp\n",
|
|
reg_func ? sizeof(struct sigcontext_struct) : 4 * strlen(args) );
|
|
|
|
/* Setup %ebp to point to the previous stack frame (built by CallTo16) */
|
|
|
|
printf( "\taddl $24,%%ebp\n" );
|
|
|
|
/* Print the debug information before the call */
|
|
|
|
if (debugging)
|
|
{
|
|
printf( "\tpushl %%eax\n" );
|
|
printf( "\tpushl $CALL32_Str_%s\n", profile );
|
|
printf( "\tpushl $%d\n", reg_func ? 2 : (short_ret ? 1 : 0) );
|
|
printf( "\tcall " PREFIX "RELAY_DebugCall32\n" );
|
|
printf( "\tpopl %%eax\n" );
|
|
printf( "\tpopl %%eax\n" );
|
|
printf( "\tpopl %%eax\n" );
|
|
}
|
|
|
|
/* Call the entry point */
|
|
|
|
printf( "\tcall %%eax\n" );
|
|
|
|
/* Print the debug information after the call */
|
|
|
|
if (debugging)
|
|
{
|
|
printf( "\tpushl %%eax\n" );
|
|
printf( "\tpushl $%d\n", reg_func ? 2 : (short_ret ? 1 : 0) );
|
|
printf( "\tcall " PREFIX "RELAY_DebugReturn\n" );
|
|
printf( "\tpopl %%eax\n" );
|
|
printf( "\tpopl %%eax\n" );
|
|
}
|
|
|
|
/* Restore the 16-bit stack */
|
|
|
|
printf( "\tmovw " PREFIX "IF1632_Saved16_ss,%%ss\n" );
|
|
printf( "\tmovw " PREFIX "IF1632_Saved16_sp,%%sp\n" );
|
|
printf( "\tpopw " PREFIX "IF1632_Saved16_ss\n" );
|
|
printf( "\tpopw " PREFIX "IF1632_Saved16_sp\n" );
|
|
|
|
if (reg_func)
|
|
{
|
|
/* Restore registers from the context structure */
|
|
RestoreContext();
|
|
|
|
/* Calc the arguments size */
|
|
while (*args)
|
|
{
|
|
switch(*args)
|
|
{
|
|
case 'w':
|
|
case 's':
|
|
argsize += 2;
|
|
break;
|
|
case 'p':
|
|
case 'l':
|
|
argsize += 4;
|
|
break;
|
|
default:
|
|
fprintf( stderr, "Unknown arg type '%c'\n", *args );
|
|
}
|
|
args++;
|
|
}
|
|
}
|
|
|
|
/* Restore ds and es */
|
|
|
|
printf( "\tpopw %%es\n" );
|
|
printf( "\tpopw %%ds\n" );
|
|
|
|
/* Get the return value into dx:ax and clean up the stack */
|
|
|
|
if (!reg_func)
|
|
{
|
|
if (short_ret)
|
|
{
|
|
printf( "\tpopl %%edx\n" ); /* Restore %edx */
|
|
printf( "\taddl $4,%%esp\n" ); /* Remove DLL id and ordinal */
|
|
}
|
|
else
|
|
{
|
|
printf( "\tpushl %%eax\n" );
|
|
printf( "\tpopw %%ax\n" );
|
|
printf( "\tpopw %%dx\n" );
|
|
/* Remove API entry point, DLL id and ordinal from the stack */
|
|
printf( "\taddl $8,%%esp\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Remove API entry point, DLL id and ordinal from the stack, */
|
|
/* but take care not to change the value of the carry flag. */
|
|
|
|
printf( "\tpopl %%ebp\n" );
|
|
printf( "\tpopl %%ebp\n" );
|
|
}
|
|
|
|
/* Restore bp */
|
|
|
|
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+24) arg2
|
|
* (ebp+20) arg1
|
|
* (ebp+16) 16-bit ds
|
|
* (ebp+12) 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 bp,
|
|
* 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.globl " 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( "\tpushl $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( "\tmovl %%esp," PREFIX "IF1632_Saved32_esp\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 $12,%%eax\n" );
|
|
printf( "\tpushl $%d\n", reg_func ? 8 : 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" );
|
|
|
|
/* Transfer the arguments */
|
|
|
|
if (reg_func)
|
|
{
|
|
/* Get the registers. ebx is handled later on. */
|
|
printf( "\tpushw 20(%%ebx)\n" );
|
|
printf( "\tpopw %%es\n" );
|
|
printf( "\tmovl 24(%%ebx),%%ebp\n" );
|
|
printf( "\tmovl 28(%%ebx),%%eax\n" );
|
|
printf( "\tmovl 36(%%ebx),%%ecx\n" );
|
|
printf( "\tmovl 40(%%ebx),%%edx\n" );
|
|
printf( "\tmovl 44(%%ebx),%%esi\n" );
|
|
printf( "\tmovl 48(%%ebx),%%edi\n" );
|
|
}
|
|
else /* not a register function */
|
|
{
|
|
int pos = 20; /* first argument position */
|
|
|
|
/* Make %bp point to the previous stackframe (built by CallTo32) */
|
|
printf( "\tmovw %%sp,%%bp\n" );
|
|
printf( "\taddw $16,%%bp\n" );
|
|
|
|
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 12(%%ebx)\n" );
|
|
|
|
/* Get the 16-bit ds */
|
|
|
|
if (reg_func)
|
|
{
|
|
printf( "\tpushw 16(%%ebx)\n" );
|
|
printf( "\tmovl 32(%%ebx),%%ebx\n" ); /*Get ebx from the 32-bit stack*/
|
|
printf( "\tpopw %%ds\n" );
|
|
}
|
|
else
|
|
{
|
|
/* Set ax equal to ds for window procedures */
|
|
printf( "\tmovw 16(%%ebx),%%ax\n" );
|
|
printf( "\tmovw %%ax,%%ds\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( "\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( "\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);
|
|
}
|
|
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int main(int argc, char **argv)
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{
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int i;
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if (argc <= 2) usage();
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if (!strcmp( argv[1], "-spec16" ))
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{
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for (i = 2; i < argc; i++) BuildSpec16Files( argv[i] );
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}
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else if (!strcmp( argv[1], "-spec32" ))
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{
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for (i = 2; i < argc; i++) BuildSpec32Files( argv[i] );
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}
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else if (!strcmp( argv[1], "-call32" )) /* 32-bit callbacks */
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{
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/* File header */
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printf( "/* File generated automatically. Do no edit! */\n\n" );
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printf( "\t.text\n" );
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/* Build the 32-bit large stack callback */
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BuildCall32LargeStack();
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/* Build the callback functions */
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for (i = 2; i < argc; i++) BuildCall32Func( argv[i] );
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/* Output the argument debugging strings */
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if (debugging)
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{
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printf( "/* Argument strings */\n" );
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for (i = 2; i < argc; i++)
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{
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printf( "CALL32_Str_%s:\n", argv[i] );
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printf( "\t.ascii \"%s\\0\"\n", argv[i] + 5 );
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}
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}
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}
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else if (!strcmp( argv[1], "-call16" )) /* 16-bit callbacks */
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{
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/* File header */
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printf( "/* File generated automatically. Do no edit! */\n\n" );
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printf( "\t.text\n" );
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printf( "\t.globl " PREFIX "CALL16_Start\n" );
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printf( PREFIX "CALL16_Start:\n" );
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/* Build the callback functions */
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for (i = 2; i < argc; i++) BuildCall16Func( argv[i] );
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/* Output the 16-bit return code */
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BuildRet16Func();
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printf( "\t.globl " PREFIX "CALL16_End\n" );
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printf( PREFIX "CALL16_End:\n" );
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}
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else usage();
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return 0;
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}
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