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git://source.winehq.org/git/wine.git
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246c360631
Store the export table inside the data section so that sections can be properly aligned. Build the relay function table directly in the .spec.c file. Moved relay debugging functions to relay386.c.
3382 lines
110 KiB
C
3382 lines
110 KiB
C
/*
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* Copyright 1993 Robert J. Amstadt
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* Copyright 1995 Martin von Loewis
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* Copyright 1995, 1996, 1997 Alexandre Julliard
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* Copyright 1997 Eric Youngdale
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* Copyright 1999 Ulrich Weigand
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*/
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#include "config.h"
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#include <assert.h>
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#include <stdarg.h>
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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 <unistd.h>
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#include "winbase.h"
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#include "winnt.h"
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#include "module.h"
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#include "neexe.h"
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#include "stackframe.h"
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#include "builtin16.h"
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#include "thread.h"
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#ifdef NEED_UNDERSCORE_PREFIX
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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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#ifdef HAVE_ASM_STRING
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# define STRING ".string"
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#else
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# define STRING ".ascii"
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#endif
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#if defined(__GNUC__) && !defined(__svr4__)
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# define USE_STABS
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#else
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# undef USE_STABS
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#endif
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#ifdef __i386__
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extern WORD __get_cs(void);
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extern WORD __get_ds(void);
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__ASM_GLOBAL_FUNC( __get_cs, "movw %cs,%ax\n\tret" );
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__ASM_GLOBAL_FUNC( __get_ds, "movw %ds,%ax\n\tret" );
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#else
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static inline WORD __get_cs(void) { return 0; }
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static inline WORD __get_ds(void) { return 0; }
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#endif
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typedef enum
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{
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TYPE_BYTE, /* byte variable (Win16) */
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TYPE_WORD, /* word variable (Win16) */
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TYPE_LONG, /* long variable (Win16) */
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TYPE_PASCAL_16, /* pascal function with 16-bit return (Win16) */
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TYPE_PASCAL, /* pascal function with 32-bit return (Win16) */
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TYPE_ABS, /* absolute value (Win16) */
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TYPE_REGISTER, /* register function */
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TYPE_INTERRUPT, /* interrupt handler function (Win16) */
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TYPE_STUB, /* unimplemented stub */
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TYPE_STDCALL, /* stdcall function (Win32) */
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TYPE_CDECL, /* cdecl function (Win32) */
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TYPE_VARARGS, /* varargs function (Win32) */
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TYPE_EXTERN, /* external symbol (Win32) */
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TYPE_FORWARD, /* forwarded function (Win32) */
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TYPE_NBTYPES
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} ORD_TYPE;
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static const char * const TypeNames[TYPE_NBTYPES] =
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{
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"byte", /* TYPE_BYTE */
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"word", /* TYPE_WORD */
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"long", /* TYPE_LONG */
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"pascal16", /* TYPE_PASCAL_16 */
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"pascal", /* TYPE_PASCAL */
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"equate", /* TYPE_ABS */
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"register", /* TYPE_REGISTER */
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"interrupt", /* TYPE_INTERRUPT */
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"stub", /* TYPE_STUB */
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"stdcall", /* TYPE_STDCALL */
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"cdecl", /* TYPE_CDECL */
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"varargs", /* TYPE_VARARGS */
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"extern", /* TYPE_EXTERN */
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"forward" /* TYPE_FORWARD */
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};
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#define MAX_ORDINALS 2048
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#define MAX_IMPORTS 16
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/* Callback function used for stub functions */
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#define STUB_CALLBACK \
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((SpecType == SPEC_WIN16) ? "RELAY_Unimplemented16": "RELAY_Unimplemented32")
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typedef enum
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{
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SPEC_INVALID,
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SPEC_WIN16,
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SPEC_WIN32
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} SPEC_TYPE;
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typedef enum
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{
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SPEC_MODE_DLL,
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SPEC_MODE_GUIEXE,
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SPEC_MODE_CUIEXE
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} SPEC_MODE;
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typedef struct
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{
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int n_values;
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int *values;
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} ORD_VARIABLE;
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typedef struct
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{
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int n_args;
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char arg_types[32];
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char link_name[80];
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} ORD_FUNCTION;
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typedef struct
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{
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int value;
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} ORD_ABS;
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typedef struct
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{
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char link_name[80];
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} ORD_EXTERN;
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typedef struct
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{
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char link_name[80];
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} ORD_FORWARD;
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typedef struct
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{
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ORD_TYPE type;
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int ordinal;
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int offset;
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int lineno;
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char name[80];
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union
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{
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ORD_VARIABLE var;
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ORD_FUNCTION func;
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ORD_ABS abs;
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ORD_EXTERN ext;
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ORD_FORWARD fwd;
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} u;
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} ORDDEF;
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static ORDDEF EntryPoints[MAX_ORDINALS];
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static ORDDEF *Ordinals[MAX_ORDINALS];
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static ORDDEF *Names[MAX_ORDINALS];
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static SPEC_TYPE SpecType = SPEC_INVALID;
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static SPEC_MODE SpecMode = SPEC_MODE_DLL;
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static char DLLName[80];
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static char DLLFileName[80];
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static int Limit = 0;
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static int Base = MAX_ORDINALS;
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static int DLLHeapSize = 0;
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static FILE *SpecFp;
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static WORD Code_Selector, Data_Selector;
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static char DLLInitFunc[80];
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static char *DLLImports[MAX_IMPORTS];
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static char rsrc_name[80];
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static int nb_imports;
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static int nb_entry_points;
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static int nb_names;
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static const char *input_file_name;
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static const char *output_file_name;
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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 UsePIC = 0;
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static int debugging = 1;
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/* Offset of a structure field relative to the start of the struct */
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#define STRUCTOFFSET(type,field) ((int)&((type *)0)->field)
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/* Offset of register relative to the start of the CONTEXT struct */
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#define CONTEXTOFFSET(reg) STRUCTOFFSET(CONTEXT86,reg)
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/* Offset of register relative to the start of the STACK16FRAME struct */
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#define STACK16OFFSET(reg) STRUCTOFFSET(STACK16FRAME,reg)
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/* Offset of register relative to the start of the STACK32FRAME struct */
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#define STACK32OFFSET(reg) STRUCTOFFSET(STACK32FRAME,reg)
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/* Offset of the stack pointer relative to %fs:(0) */
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#define STACKOFFSET (STRUCTOFFSET(TEB,cur_stack))
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static void BuildCallFrom16Func( FILE *outfile, char *profile, char *prefix, int local );
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static void *xmalloc (size_t size)
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{
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void *res;
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res = malloc (size ? size : 1);
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if (res == NULL)
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{
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fprintf (stderr, "Virtual memory exhausted.\n");
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if (output_file_name) unlink( output_file_name );
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exit (1);
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}
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return res;
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}
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static void *xrealloc (void *ptr, size_t size)
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{
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void *res = realloc (ptr, size);
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if (res == NULL)
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{
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fprintf (stderr, "Virtual memory exhausted.\n");
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if (output_file_name) unlink( output_file_name );
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exit (1);
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}
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return res;
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}
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static char *xstrdup( const char *str )
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{
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char *res = strdup( str );
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if (!res)
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{
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fprintf (stderr, "Virtual memory exhausted.\n");
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if (output_file_name) unlink( output_file_name );
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exit (1);
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}
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return res;
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}
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static void fatal_error( const char *msg, ... )
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{
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va_list valist;
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va_start( valist, msg );
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fprintf( stderr, "%s:%d: ", input_file_name, Line );
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vfprintf( stderr, msg, valist );
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va_end( valist );
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if (output_file_name) unlink( output_file_name );
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exit(1);
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}
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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 *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 = xmalloc(512);
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ParseNext = ParseBuffer;
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while (1)
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{
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Line++;
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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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while (1)
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{
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Line++;
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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 name_compare( const void *name1, const void *name2 )
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{
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ORDDEF *odp1 = *(ORDDEF **)name1;
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ORDDEF *odp2 = *(ORDDEF **)name2;
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return strcmp( odp1->name, odp2->name );
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}
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/*******************************************************************
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* AssignOrdinals
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*
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* Assign ordinals to all entry points.
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*/
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static void AssignOrdinals(void)
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{
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int i, ordinal;
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if ( !nb_names ) return;
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/* sort the list of names */
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qsort( Names, nb_names, sizeof(Names[0]), name_compare );
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/* check for duplicate names */
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for (i = 0; i < nb_names - 1; i++)
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{
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if (!strcmp( Names[i]->name, Names[i+1]->name ))
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{
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Line = max( Names[i]->lineno, Names[i+1]->lineno );
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fatal_error( "'%s' redefined (previous definition at line %d)\n",
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Names[i]->name, min( Names[i]->lineno, Names[i+1]->lineno ) );
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}
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}
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/* start assigning from Base, or from 1 if no ordinal defined yet */
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if (Base == MAX_ORDINALS) Base = 1;
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for (i = 0, ordinal = Base; i < nb_names; i++)
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{
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if (Names[i]->ordinal != -1) continue; /* already has an ordinal */
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while (Ordinals[ordinal]) ordinal++;
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if (ordinal >= MAX_ORDINALS)
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{
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Line = Names[i]->lineno;
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fatal_error( "Too many functions defined (max %d)\n", MAX_ORDINALS );
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}
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Names[i]->ordinal = ordinal;
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Ordinals[ordinal] = Names[i];
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}
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if (ordinal > Limit) Limit = ordinal;
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}
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/*******************************************************************
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* ParseVariable
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*
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* Parse a variable definition.
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*/
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static void ParseVariable( ORDDEF *odp )
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{
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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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char *token = GetToken();
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if (*token != '(') fatal_error( "Expected '(' got '%s'\n", token );
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n_values = 0;
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value_array_size = 25;
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value_array = xmalloc(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 = xrealloc(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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fatal_error( "Expected number value, got '%s'\n", token );
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}
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if (token == NULL)
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fatal_error( "End of file in variable declaration\n" );
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odp->u.var.n_values = n_values;
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odp->u.var.values = xrealloc(value_array, sizeof(*value_array) * n_values);
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}
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/*******************************************************************
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* ParseExportFunction
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*
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* Parse a function definition.
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*/
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static void ParseExportFunction( ORDDEF *odp )
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{
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char *token;
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int i;
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switch(SpecType)
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{
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case SPEC_WIN16:
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if (odp->type == TYPE_STDCALL)
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fatal_error( "'stdcall' not supported for Win16\n" );
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if (odp->type == TYPE_VARARGS)
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fatal_error( "'varargs' not supported for Win16\n" );
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break;
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case SPEC_WIN32:
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if ((odp->type == TYPE_PASCAL) || (odp->type == TYPE_PASCAL_16))
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fatal_error( "'pascal' not supported for Win32\n" );
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break;
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default:
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break;
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}
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token = GetToken();
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if (*token != '(') fatal_error( "Expected '(' got '%s'\n", token );
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for (i = 0; i < sizeof(odp->u.func.arg_types)-1; 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, "word"))
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odp->u.func.arg_types[i] = 'w';
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else if (!strcmp(token, "s_word"))
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odp->u.func.arg_types[i] = 's';
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else if (!strcmp(token, "long") || !strcmp(token, "segptr"))
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odp->u.func.arg_types[i] = 'l';
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else if (!strcmp(token, "ptr"))
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odp->u.func.arg_types[i] = 'p';
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else if (!strcmp(token, "str"))
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odp->u.func.arg_types[i] = 't';
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else if (!strcmp(token, "wstr"))
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odp->u.func.arg_types[i] = 'W';
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else if (!strcmp(token, "segstr"))
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odp->u.func.arg_types[i] = 'T';
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else if (!strcmp(token, "double"))
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{
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odp->u.func.arg_types[i++] = 'l';
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odp->u.func.arg_types[i] = 'l';
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}
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else fatal_error( "Unknown variable type '%s'\n", token );
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if (SpecType == SPEC_WIN32)
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{
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if (strcmp(token, "long") &&
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strcmp(token, "ptr") &&
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strcmp(token, "str") &&
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strcmp(token, "wstr") &&
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strcmp(token, "double"))
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{
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fatal_error( "Type '%s' not supported for Win32\n", token );
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}
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}
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}
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if ((*token != ')') || (i >= sizeof(odp->u.func.arg_types)))
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fatal_error( "Too many arguments\n" );
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odp->u.func.arg_types[i] = '\0';
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if ((odp->type == TYPE_STDCALL) && !i)
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odp->type = TYPE_CDECL; /* stdcall is the same as cdecl for 0 args */
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strcpy(odp->u.func.link_name, GetToken());
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}
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|
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/*******************************************************************
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* ParseEquate
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*
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* Parse an 'equate' definition.
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*/
|
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static void ParseEquate( ORDDEF *odp )
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{
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char *endptr;
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char *token = GetToken();
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int value = strtol(token, &endptr, 0);
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if (endptr == NULL || *endptr != '\0')
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fatal_error( "Expected number value, got '%s'\n", token );
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if (SpecType == SPEC_WIN32)
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fatal_error( "'equate' not supported for Win32\n" );
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odp->u.abs.value = value;
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}
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|
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/*******************************************************************
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* ParseStub
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*
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* Parse a 'stub' definition.
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*/
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static void ParseStub( ORDDEF *odp )
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{
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odp->u.func.arg_types[0] = '\0';
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strcpy( odp->u.func.link_name, STUB_CALLBACK );
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}
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|
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/*******************************************************************
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* ParseInterrupt
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*
|
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* Parse an 'interrupt' definition.
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*/
|
|
static void ParseInterrupt( ORDDEF *odp )
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{
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char *token;
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|
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if (SpecType == SPEC_WIN32)
|
|
fatal_error( "'interrupt' not supported for Win32\n" );
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|
|
|
token = GetToken();
|
|
if (*token != '(') fatal_error( "Expected '(' got '%s'\n", token );
|
|
|
|
token = GetToken();
|
|
if (*token != ')') fatal_error( "Expected ')' got '%s'\n", token );
|
|
|
|
odp->u.func.arg_types[0] = '\0';
|
|
strcpy( odp->u.func.link_name, GetToken() );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* ParseExtern
|
|
*
|
|
* Parse an 'extern' definition.
|
|
*/
|
|
static void ParseExtern( ORDDEF *odp )
|
|
{
|
|
if (SpecType == SPEC_WIN16) fatal_error( "'extern' not supported for Win16\n" );
|
|
strcpy( odp->u.ext.link_name, GetToken() );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* ParseForward
|
|
*
|
|
* Parse a 'forward' definition.
|
|
*/
|
|
static void ParseForward( ORDDEF *odp )
|
|
{
|
|
if (SpecType == SPEC_WIN16) fatal_error( "'forward' not supported for Win16\n" );
|
|
strcpy( odp->u.fwd.link_name, GetToken() );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* ParseOrdinal
|
|
*
|
|
* Parse an ordinal definition.
|
|
*/
|
|
static void ParseOrdinal(int ordinal)
|
|
{
|
|
char *token;
|
|
|
|
ORDDEF *odp = &EntryPoints[nb_entry_points++];
|
|
|
|
if (!(token = GetToken())) fatal_error( "Expected type after ordinal\n" );
|
|
|
|
for (odp->type = 0; odp->type < TYPE_NBTYPES; odp->type++)
|
|
if (TypeNames[odp->type] && !strcmp( token, TypeNames[odp->type] ))
|
|
break;
|
|
|
|
if (odp->type >= TYPE_NBTYPES)
|
|
fatal_error( "Expected type after ordinal, found '%s' instead\n", token );
|
|
|
|
if (!(token = GetToken())) fatal_error( "Expected name after type\n" );
|
|
|
|
strcpy( odp->name, token );
|
|
odp->lineno = Line;
|
|
odp->ordinal = ordinal;
|
|
|
|
switch(odp->type)
|
|
{
|
|
case TYPE_BYTE:
|
|
case TYPE_WORD:
|
|
case TYPE_LONG:
|
|
ParseVariable( odp );
|
|
break;
|
|
case TYPE_REGISTER:
|
|
ParseExportFunction( odp );
|
|
#ifndef __i386__
|
|
/* ignore Win32 'register' routines on non-Intel archs */
|
|
if (SpecType == SPEC_WIN32)
|
|
{
|
|
nb_entry_points--;
|
|
return;
|
|
}
|
|
#endif
|
|
break;
|
|
case TYPE_PASCAL_16:
|
|
case TYPE_PASCAL:
|
|
case TYPE_STDCALL:
|
|
case TYPE_VARARGS:
|
|
case TYPE_CDECL:
|
|
ParseExportFunction( odp );
|
|
break;
|
|
case TYPE_INTERRUPT:
|
|
ParseInterrupt( odp );
|
|
break;
|
|
case TYPE_ABS:
|
|
ParseEquate( odp );
|
|
break;
|
|
case TYPE_STUB:
|
|
ParseStub( odp );
|
|
break;
|
|
case TYPE_EXTERN:
|
|
ParseExtern( odp );
|
|
break;
|
|
case TYPE_FORWARD:
|
|
ParseForward( odp );
|
|
break;
|
|
default:
|
|
assert( 0 );
|
|
}
|
|
|
|
if (ordinal != -1)
|
|
{
|
|
if (ordinal >= MAX_ORDINALS) fatal_error( "Ordinal number %d too large\n", ordinal );
|
|
if (ordinal > Limit) Limit = ordinal;
|
|
if (ordinal < Base) Base = ordinal;
|
|
odp->ordinal = ordinal;
|
|
Ordinals[ordinal] = odp;
|
|
}
|
|
|
|
if (!strcmp( odp->name, "@" ))
|
|
{
|
|
if (ordinal == -1)
|
|
fatal_error( "Nameless function needs an explicit ordinal number\n" );
|
|
if (SpecType != SPEC_WIN32)
|
|
fatal_error( "Nameless functions not supported for Win16\n" );
|
|
odp->name[0] = 0;
|
|
}
|
|
else Names[nb_names++] = odp;
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* ParseTopLevel
|
|
*
|
|
* Parse a spec file.
|
|
*/
|
|
static void ParseTopLevel(void)
|
|
{
|
|
char *token;
|
|
|
|
while ((token = GetToken()) != NULL)
|
|
{
|
|
if (strcmp(token, "name") == 0)
|
|
{
|
|
strcpy(DLLName, GetToken());
|
|
}
|
|
else if (strcmp(token, "file") == 0)
|
|
{
|
|
strcpy(DLLFileName, GetToken());
|
|
strupper(DLLFileName);
|
|
}
|
|
else if (strcmp(token, "type") == 0)
|
|
{
|
|
token = GetToken();
|
|
if (!strcmp(token, "win16" )) SpecType = SPEC_WIN16;
|
|
else if (!strcmp(token, "win32" )) SpecType = SPEC_WIN32;
|
|
else fatal_error( "Type must be 'win16' or 'win32'\n" );
|
|
}
|
|
else if (strcmp(token, "mode") == 0)
|
|
{
|
|
token = GetToken();
|
|
if (!strcmp(token, "dll" )) SpecMode = SPEC_MODE_DLL;
|
|
else if (!strcmp(token, "guiexe" )) SpecMode = SPEC_MODE_GUIEXE;
|
|
else if (!strcmp(token, "cuiexe" )) SpecMode = SPEC_MODE_CUIEXE;
|
|
else fatal_error( "Mode must be 'dll', 'guiexe' or 'cuiexe'\n" );
|
|
}
|
|
else if (strcmp(token, "heap") == 0)
|
|
{
|
|
token = GetToken();
|
|
if (!IsNumberString(token)) fatal_error( "Expected number after heap\n" );
|
|
DLLHeapSize = atoi(token);
|
|
}
|
|
else if (strcmp(token, "init") == 0)
|
|
{
|
|
strcpy(DLLInitFunc, GetToken());
|
|
if (SpecType == SPEC_WIN16)
|
|
fatal_error( "init cannot be used for Win16 spec files\n" );
|
|
if (!DLLInitFunc[0])
|
|
fatal_error( "Expected function name after init\n" );
|
|
if (!strcmp(DLLInitFunc, "main"))
|
|
fatal_error( "The init function cannot be named 'main'\n" );
|
|
}
|
|
else if (strcmp(token, "import") == 0)
|
|
{
|
|
if (nb_imports >= MAX_IMPORTS)
|
|
fatal_error( "Too many imports (limit %d)\n", MAX_IMPORTS );
|
|
if (SpecType != SPEC_WIN32)
|
|
fatal_error( "Imports not supported for Win16\n" );
|
|
DLLImports[nb_imports++] = xstrdup(GetToken());
|
|
}
|
|
else if (strcmp(token, "rsrc") == 0)
|
|
{
|
|
strcpy( rsrc_name, GetToken() );
|
|
strcat( rsrc_name, "_ResourceDescriptor" );
|
|
}
|
|
else if (strcmp(token, "@") == 0)
|
|
{
|
|
if (SpecType != SPEC_WIN32)
|
|
fatal_error( "'@' ordinals not supported for Win16\n" );
|
|
ParseOrdinal( -1 );
|
|
}
|
|
else if (IsNumberString(token))
|
|
{
|
|
ParseOrdinal( atoi(token) );
|
|
}
|
|
else
|
|
fatal_error( "Expected name, id, length or ordinal\n" );
|
|
}
|
|
|
|
if (!DLLFileName[0])
|
|
{
|
|
if (SpecMode == SPEC_MODE_DLL)
|
|
sprintf( DLLFileName, "%s.dll", DLLName );
|
|
else
|
|
sprintf( DLLFileName, "%s.exe", DLLName );
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* StoreVariableCode
|
|
*
|
|
* Store a list of ints into a byte array.
|
|
*/
|
|
static int StoreVariableCode( unsigned char *buffer, int size, ORDDEF *odp )
|
|
{
|
|
int i;
|
|
|
|
switch(size)
|
|
{
|
|
case 1:
|
|
for (i = 0; i < odp->u.var.n_values; i++)
|
|
buffer[i] = odp->u.var.values[i];
|
|
break;
|
|
case 2:
|
|
for (i = 0; i < odp->u.var.n_values; i++)
|
|
((unsigned short *)buffer)[i] = odp->u.var.values[i];
|
|
break;
|
|
case 4:
|
|
for (i = 0; i < odp->u.var.n_values; i++)
|
|
((unsigned int *)buffer)[i] = odp->u.var.values[i];
|
|
break;
|
|
}
|
|
return odp->u.var.n_values * size;
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* DumpBytes
|
|
*
|
|
* Dump a byte stream into the assembly code.
|
|
*/
|
|
static void DumpBytes( FILE *outfile, const unsigned char *data, int len,
|
|
const char *label )
|
|
{
|
|
int i;
|
|
|
|
fprintf( outfile, "\nstatic BYTE %s[] = \n{", label );
|
|
|
|
for (i = 0; i < len; i++)
|
|
{
|
|
if (!(i & 0x0f)) fprintf( outfile, "\n " );
|
|
fprintf( outfile, "%d", *data++ );
|
|
if (i < len - 1) fprintf( outfile, ", " );
|
|
}
|
|
fprintf( outfile, "\n};\n" );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* BuildModule16
|
|
*
|
|
* Build the in-memory representation of a 16-bit NE module, and dump it
|
|
* as a byte stream into the assembly code.
|
|
*/
|
|
static int BuildModule16( FILE *outfile, int max_code_offset,
|
|
int max_data_offset )
|
|
{
|
|
int i;
|
|
char *buffer;
|
|
NE_MODULE *pModule;
|
|
SEGTABLEENTRY *pSegment;
|
|
OFSTRUCT *pFileInfo;
|
|
BYTE *pstr;
|
|
WORD *pword;
|
|
ET_BUNDLE *bundle = 0;
|
|
ET_ENTRY *entry = 0;
|
|
|
|
/* Module layout:
|
|
* NE_MODULE Module
|
|
* OFSTRUCT File information
|
|
* SEGTABLEENTRY Segment 1 (code)
|
|
* SEGTABLEENTRY Segment 2 (data)
|
|
* WORD[2] Resource table (empty)
|
|
* BYTE[2] Imported names (empty)
|
|
* BYTE[n] Resident names table
|
|
* BYTE[n] Entry table
|
|
*/
|
|
|
|
buffer = xmalloc( 0x10000 );
|
|
|
|
pModule = (NE_MODULE *)buffer;
|
|
memset( pModule, 0, sizeof(*pModule) );
|
|
pModule->magic = IMAGE_OS2_SIGNATURE;
|
|
pModule->count = 1;
|
|
pModule->next = 0;
|
|
pModule->flags = NE_FFLAGS_SINGLEDATA | NE_FFLAGS_BUILTIN | NE_FFLAGS_LIBMODULE;
|
|
pModule->dgroup = 2;
|
|
pModule->heap_size = DLLHeapSize;
|
|
pModule->stack_size = 0;
|
|
pModule->ip = 0;
|
|
pModule->cs = 0;
|
|
pModule->sp = 0;
|
|
pModule->ss = 0;
|
|
pModule->seg_count = 2;
|
|
pModule->modref_count = 0;
|
|
pModule->nrname_size = 0;
|
|
pModule->modref_table = 0;
|
|
pModule->nrname_fpos = 0;
|
|
pModule->moveable_entries = 0;
|
|
pModule->alignment = 0;
|
|
pModule->truetype = 0;
|
|
pModule->os_flags = NE_OSFLAGS_WINDOWS;
|
|
pModule->misc_flags = 0;
|
|
pModule->dlls_to_init = 0;
|
|
pModule->nrname_handle = 0;
|
|
pModule->min_swap_area = 0;
|
|
pModule->expected_version = 0;
|
|
pModule->module32 = 0;
|
|
pModule->self = 0;
|
|
pModule->self_loading_sel = 0;
|
|
|
|
/* File information */
|
|
|
|
pFileInfo = (OFSTRUCT *)(pModule + 1);
|
|
pModule->fileinfo = (int)pFileInfo - (int)pModule;
|
|
memset( pFileInfo, 0, sizeof(*pFileInfo) - sizeof(pFileInfo->szPathName) );
|
|
pFileInfo->cBytes = sizeof(*pFileInfo) - sizeof(pFileInfo->szPathName)
|
|
+ strlen(DLLFileName);
|
|
strcpy( pFileInfo->szPathName, DLLFileName );
|
|
pstr = (char *)pFileInfo + pFileInfo->cBytes + 1;
|
|
|
|
#ifdef __i386__ /* FIXME: Alignment problems! */
|
|
|
|
/* Segment table */
|
|
|
|
pSegment = (SEGTABLEENTRY *)pstr;
|
|
pModule->seg_table = (int)pSegment - (int)pModule;
|
|
pSegment->filepos = 0;
|
|
pSegment->size = max_code_offset;
|
|
pSegment->flags = 0;
|
|
pSegment->minsize = max_code_offset;
|
|
pSegment->hSeg = 0;
|
|
pSegment++;
|
|
|
|
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->hSeg = 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(DLLName );
|
|
strcpy( pstr + 1, DLLName );
|
|
pstr += *pstr + 1;
|
|
*(WORD *)pstr = 0;
|
|
pstr += sizeof(WORD);
|
|
/* Store all ordinals */
|
|
for (i = 1; i <= Limit; i++)
|
|
{
|
|
ORDDEF *odp = Ordinals[i];
|
|
if (!odp || !odp->name[0]) continue;
|
|
*pstr = strlen( odp->name );
|
|
strcpy( pstr + 1, odp->name );
|
|
strupper( pstr + 1 );
|
|
pstr += *pstr + 1;
|
|
*(WORD *)pstr = i;
|
|
pstr += sizeof(WORD);
|
|
}
|
|
*pstr++ = 0;
|
|
|
|
/* Entry table */
|
|
|
|
pModule->entry_table = (int)pstr - (int)pModule;
|
|
for (i = 1; i <= Limit; i++)
|
|
{
|
|
int selector = 0;
|
|
ORDDEF *odp = Ordinals[i];
|
|
if (!odp) continue;
|
|
|
|
switch (odp->type)
|
|
{
|
|
case TYPE_CDECL:
|
|
case TYPE_PASCAL:
|
|
case TYPE_PASCAL_16:
|
|
case TYPE_REGISTER:
|
|
case TYPE_INTERRUPT:
|
|
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;
|
|
|
|
default:
|
|
selector = 0; /* Invalid selector */
|
|
break;
|
|
}
|
|
|
|
if ( !selector )
|
|
continue;
|
|
|
|
if ( bundle && bundle->last+1 == i )
|
|
bundle->last++;
|
|
else
|
|
{
|
|
if ( bundle )
|
|
bundle->next = (char *)pstr - (char *)pModule;
|
|
|
|
bundle = (ET_BUNDLE *)pstr;
|
|
bundle->first = i-1;
|
|
bundle->last = i;
|
|
bundle->next = 0;
|
|
pstr += sizeof(ET_BUNDLE);
|
|
}
|
|
|
|
/* FIXME: is this really correct ?? */
|
|
entry = (ET_ENTRY *)pstr;
|
|
entry->type = 0xff; /* movable */
|
|
entry->flags = 3; /* exported & public data */
|
|
entry->segnum = selector;
|
|
entry->offs = odp->offset;
|
|
pstr += sizeof(ET_ENTRY);
|
|
}
|
|
*pstr++ = 0;
|
|
#endif
|
|
|
|
/* Dump the module content */
|
|
|
|
DumpBytes( outfile, (char *)pModule, (int)pstr - (int)pModule,
|
|
"Module" );
|
|
return (int)pstr - (int)pModule;
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* output_exports
|
|
*
|
|
* Output the export table for a Win32 module.
|
|
*/
|
|
static void output_exports( FILE *outfile, int nr_exports, int nr_names, int fwd_size )
|
|
{
|
|
int i, fwd_pos = 0;
|
|
|
|
if (!nr_exports) return;
|
|
|
|
fprintf( outfile, "typedef void (*func_ptr)();\n" );
|
|
fprintf( outfile, "static struct {\n" );
|
|
fprintf( outfile, " struct {\n" );
|
|
fprintf( outfile, " unsigned int Characteristics;\n" );
|
|
fprintf( outfile, " unsigned int TimeDateStamp;\n" );
|
|
fprintf( outfile, " unsigned short MajorVersion;\n" );
|
|
fprintf( outfile, " unsigned short MinorVersion;\n" );
|
|
fprintf( outfile, " const char *Name;\n" );
|
|
fprintf( outfile, " unsigned int Base;\n" );
|
|
fprintf( outfile, " unsigned int NumberOfFunctions;\n" );
|
|
fprintf( outfile, " unsigned int NumberOfNames;\n" );
|
|
fprintf( outfile, " func_ptr *AddressOfFunctions;\n" );
|
|
fprintf( outfile, " const char **AddressOfNames;\n" );
|
|
fprintf( outfile, " unsigned short *AddressOfNameOrdinals;\n" );
|
|
fprintf( outfile, " func_ptr functions[%d];\n", nr_exports );
|
|
if (nb_names)
|
|
{
|
|
fprintf( outfile, " const char *names[%d];\n", nb_names );
|
|
fprintf( outfile, " unsigned short ordinals[%d];\n", nb_names );
|
|
if (nb_names % 2) fprintf( outfile, " unsigned short pad1;\n" );
|
|
}
|
|
if (fwd_size)
|
|
{
|
|
fprintf( outfile, " char forwards[%d];\n", (fwd_size + 3) & ~3 );
|
|
}
|
|
fprintf( outfile, " } exp;\n" );
|
|
|
|
#ifdef __i386__
|
|
fprintf( outfile, " struct {\n" );
|
|
fprintf( outfile, " unsigned char jmp;\n" );
|
|
fprintf( outfile, " unsigned char addr[4];\n" );
|
|
fprintf( outfile, " unsigned char ret;\n" );
|
|
fprintf( outfile, " unsigned short args;\n" );
|
|
fprintf( outfile, " func_ptr orig;\n" );
|
|
fprintf( outfile, " unsigned int argtypes;\n" );
|
|
fprintf( outfile, " } relay[%d];\n", nr_exports );
|
|
#endif /* __i386__ */
|
|
|
|
fprintf( outfile, "} exports = {\n {\n" );
|
|
fprintf( outfile, " 0,\n" ); /* Characteristics */
|
|
fprintf( outfile, " 0,\n" ); /* TimeDateStamp */
|
|
fprintf( outfile, " 0,\n" ); /* MajorVersion */
|
|
fprintf( outfile, " 0,\n" ); /* MinorVersion */
|
|
fprintf( outfile, " dllname,\n" ); /* Name */
|
|
fprintf( outfile, " %d,\n", Base ); /* Base */
|
|
fprintf( outfile, " %d,\n", nr_exports ); /* NumberOfFunctions */
|
|
fprintf( outfile, " %d,\n", nb_names ); /* NumberOfNames */
|
|
fprintf( outfile, " exports.exp.functions,\n" ); /* AddressOfFunctions */
|
|
if (nb_names)
|
|
{
|
|
fprintf( outfile, " exports.exp.names,\n" ); /* AddressOfNames */
|
|
fprintf( outfile, " exports.exp.ordinals,\n" ); /* AddressOfNameOrdinals */
|
|
}
|
|
else
|
|
{
|
|
fprintf( outfile, " 0,\n" ); /* AddressOfNames */
|
|
fprintf( outfile, " 0,\n" ); /* AddressOfNameOrdinals */
|
|
}
|
|
|
|
/* output the function addresses */
|
|
|
|
fprintf( outfile, " {\n " );
|
|
for (i = Base; i <= Limit; i++)
|
|
{
|
|
ORDDEF *odp = Ordinals[i];
|
|
if (!odp) fprintf( outfile, "0" );
|
|
else switch(odp->type)
|
|
{
|
|
case TYPE_EXTERN:
|
|
fprintf( outfile, "%s", odp->u.ext.link_name );
|
|
break;
|
|
case TYPE_STDCALL:
|
|
case TYPE_VARARGS:
|
|
case TYPE_CDECL:
|
|
fprintf( outfile, "%s", odp->u.func.link_name);
|
|
break;
|
|
case TYPE_STUB:
|
|
fprintf( outfile, "__stub_%d", i );
|
|
break;
|
|
case TYPE_REGISTER:
|
|
fprintf( outfile, "__regs_%d", i );
|
|
break;
|
|
case TYPE_FORWARD:
|
|
fprintf( outfile, "(func_ptr)&exports.exp.forwards[%d] /* %s */",
|
|
fwd_pos, odp->u.fwd.link_name );
|
|
fwd_pos += strlen(odp->u.fwd.link_name) + 1;
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
if (i < Limit) fprintf( outfile, ",\n " );
|
|
else fprintf( outfile, "\n },\n" );
|
|
}
|
|
|
|
if (nb_names)
|
|
{
|
|
/* output the function names */
|
|
|
|
fprintf( outfile, " {\n" );
|
|
for (i = 0; i < nb_names; i++)
|
|
{
|
|
if (i) fprintf( outfile, ",\n" );
|
|
fprintf( outfile, " \"%s\"", Names[i]->name );
|
|
}
|
|
fprintf( outfile, "\n },\n" );
|
|
|
|
/* output the function ordinals */
|
|
|
|
fprintf( outfile, " {\n " );
|
|
for (i = 0; i < nb_names; i++)
|
|
{
|
|
fprintf( outfile, "%4d", Names[i]->ordinal - Base );
|
|
if (i < nb_names-1)
|
|
{
|
|
fputc( ',', outfile );
|
|
if ((i % 8) == 7) fprintf( outfile, "\n " );
|
|
}
|
|
}
|
|
fprintf( outfile, "\n },\n" );
|
|
if (nb_names % 2) fprintf( outfile, " 0,\n" );
|
|
}
|
|
|
|
/* output forwards */
|
|
|
|
if (fwd_size)
|
|
{
|
|
for (i = Base; i <= Limit; i++)
|
|
{
|
|
ORDDEF *odp = Ordinals[i];
|
|
if (odp && odp->type == TYPE_FORWARD)
|
|
fprintf( outfile, " \"%s\\0\"\n", odp->u.fwd.link_name );
|
|
}
|
|
}
|
|
|
|
/* output relays */
|
|
|
|
#ifdef __i386__
|
|
fprintf( outfile, " },\n {\n" );
|
|
for (i = Base; i <= Limit; i++)
|
|
{
|
|
ORDDEF *odp = Ordinals[i];
|
|
|
|
if (odp && ((odp->type == TYPE_STDCALL) ||
|
|
(odp->type == TYPE_CDECL) ||
|
|
(odp->type == TYPE_REGISTER)))
|
|
{
|
|
unsigned int j, mask = 0;
|
|
for (j = 0; odp->u.func.arg_types[j]; j++)
|
|
{
|
|
if (odp->u.func.arg_types[j] == 't') mask |= 1<< (j*2);
|
|
if (odp->u.func.arg_types[j] == 'W') mask |= 2<< (j*2);
|
|
}
|
|
|
|
switch(odp->type)
|
|
{
|
|
case TYPE_STDCALL:
|
|
fprintf( outfile, " { 0xe9, { 0,0,0,0 }, 0xc2, 0x%04x, %s, 0x%08x }",
|
|
strlen(odp->u.func.arg_types) * sizeof(int),
|
|
odp->u.func.link_name, mask );
|
|
break;
|
|
case TYPE_CDECL:
|
|
fprintf( outfile, " { 0xe9, { 0,0,0,0 }, 0xc3, 0x%04x, %s, 0x%08x }",
|
|
strlen(odp->u.func.arg_types) * sizeof(int),
|
|
odp->u.func.link_name, mask );
|
|
break;
|
|
case TYPE_REGISTER:
|
|
fprintf( outfile, " { 0xe9, { 0,0,0,0 }, 0xc3, 0x%04x, __regs_%d, 0x%08x }",
|
|
0x8000 | (strlen(odp->u.func.arg_types) * sizeof(int)), i, mask );
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
else fprintf( outfile, " { 0, }" );
|
|
|
|
if (i < Limit) fprintf( outfile, ",\n" );
|
|
}
|
|
#endif /* __i386__ */
|
|
|
|
fprintf( outfile, " }\n};\n" );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* BuildSpec32File
|
|
*
|
|
* Build a Win32 C file from a spec file.
|
|
*/
|
|
static int BuildSpec32File( FILE *outfile )
|
|
{
|
|
ORDDEF *odp;
|
|
int i, fwd_size = 0, have_regs = FALSE;
|
|
int nr_exports;
|
|
const char *init_func;
|
|
|
|
AssignOrdinals();
|
|
nr_exports = Base <= Limit ? Limit - Base + 1 : 0;
|
|
|
|
fprintf( outfile, "/* File generated automatically from %s; do not edit! */\n\n",
|
|
input_file_name );
|
|
fprintf( outfile, "#include \"builtin32.h\"\n\n" );
|
|
|
|
/* Reserve some space for the PE header */
|
|
|
|
fprintf( outfile, "extern char pe_header[];\n" );
|
|
fprintf( outfile, "asm(\".section .text\\n\\t\"\n" );
|
|
fprintf( outfile, " \".align 4096\\n\"\n" );
|
|
fprintf( outfile, " \"pe_header:\\t.fill 4096,1,0\\n\\t\");\n" );
|
|
|
|
fprintf( outfile, "static const char dllname[] = \"%s\";\n", DLLName );
|
|
|
|
/* Output the DLL functions prototypes */
|
|
|
|
for (i = 0, odp = EntryPoints; i < nb_entry_points; i++, odp++)
|
|
{
|
|
switch(odp->type)
|
|
{
|
|
case TYPE_EXTERN:
|
|
fprintf( outfile, "extern void %s();\n", odp->u.ext.link_name );
|
|
break;
|
|
case TYPE_STDCALL:
|
|
case TYPE_VARARGS:
|
|
case TYPE_CDECL:
|
|
fprintf( outfile, "extern void %s();\n", odp->u.func.link_name );
|
|
break;
|
|
case TYPE_FORWARD:
|
|
fwd_size += strlen(odp->u.fwd.link_name) + 1;
|
|
break;
|
|
case TYPE_REGISTER:
|
|
fprintf( outfile, "extern void __regs_%d();\n", odp->ordinal );
|
|
have_regs = TRUE;
|
|
break;
|
|
case TYPE_STUB:
|
|
if (odp->name[0])
|
|
fprintf( outfile,
|
|
"static void __stub_%d() { BUILTIN32_Unimplemented(dllname,\"%s\"); }\n",
|
|
odp->ordinal, odp->name );
|
|
else
|
|
fprintf( outfile,
|
|
"static void __stub_%d() { BUILTIN32_Unimplemented(dllname,\"%d\"); }\n",
|
|
odp->ordinal, odp->ordinal );
|
|
|
|
break;
|
|
default:
|
|
fprintf(stderr,"build: function type %d not available for Win32\n",
|
|
odp->type);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* Output code for all register functions */
|
|
|
|
if ( have_regs )
|
|
{
|
|
fprintf( outfile, "#ifndef __GNUC__\n" );
|
|
fprintf( outfile, "static void __asm__dummy(void) {\n" );
|
|
fprintf( outfile, "#endif /* !defined(__GNUC__) */\n" );
|
|
for (i = 0, odp = EntryPoints; i < nb_entry_points; i++, odp++)
|
|
{
|
|
if (odp->type != TYPE_REGISTER) continue;
|
|
fprintf( outfile,
|
|
"asm(\".align 4\\n\\t\"\n"
|
|
" \".type " PREFIX "__regs_%d,@function\\n\\t\"\n"
|
|
" \"" PREFIX "__regs_%d:\\n\\t\"\n"
|
|
" \"call " PREFIX "CALL32_Regs\\n\\t\"\n"
|
|
" \".long " PREFIX "%s\\n\\t\"\n"
|
|
" \".byte %d,%d\");\n",
|
|
odp->ordinal, odp->ordinal, odp->u.func.link_name,
|
|
4 * strlen(odp->u.func.arg_types),
|
|
4 * strlen(odp->u.func.arg_types) );
|
|
}
|
|
fprintf( outfile, "#ifndef __GNUC__\n" );
|
|
fprintf( outfile, "}\n" );
|
|
fprintf( outfile, "#endif /* !defined(__GNUC__) */\n" );
|
|
}
|
|
|
|
/* Output the exports and relay entry points */
|
|
|
|
output_exports( outfile, nr_exports, nb_names, fwd_size );
|
|
|
|
/* Output the DLL imports */
|
|
|
|
if (nb_imports)
|
|
{
|
|
fprintf( outfile, "static const char * const Imports[%d] =\n{\n", nb_imports );
|
|
for (i = 0; i < nb_imports; i++)
|
|
{
|
|
fprintf( outfile, " \"%s\"", DLLImports[i] );
|
|
if (i < nb_imports-1) fprintf( outfile, ",\n" );
|
|
}
|
|
fprintf( outfile, "\n};\n\n" );
|
|
}
|
|
|
|
/* Output LibMain function */
|
|
|
|
init_func = DLLInitFunc[0] ? DLLInitFunc : NULL;
|
|
switch(SpecMode)
|
|
{
|
|
case SPEC_MODE_DLL:
|
|
if (init_func) fprintf( outfile, "extern void %s();\n", init_func );
|
|
break;
|
|
case SPEC_MODE_GUIEXE:
|
|
if (!init_func) init_func = "WinMain";
|
|
fprintf( outfile,
|
|
"\n#include <winbase.h>\n"
|
|
"static void exe_main(void)\n"
|
|
"{\n"
|
|
" extern int PASCAL %s(HINSTANCE,HINSTANCE,LPCSTR,INT);\n"
|
|
" STARTUPINFOA info;\n"
|
|
" const char *cmdline = GetCommandLineA();\n"
|
|
" while (*cmdline && *cmdline != ' ') cmdline++;\n"
|
|
" if (*cmdline) cmdline++;\n"
|
|
" GetStartupInfoA( &info );\n"
|
|
" if (!(info.dwFlags & STARTF_USESHOWWINDOW)) info.wShowWindow = 1;\n"
|
|
" ExitProcess( %s( GetModuleHandleA(0), 0, cmdline, info.wShowWindow ) );\n"
|
|
"}\n\n", init_func, init_func );
|
|
fprintf( outfile,
|
|
"int main( int argc, char *argv[] )\n"
|
|
"{\n"
|
|
" extern void PROCESS_InitWinelib( int, char ** );\n"
|
|
" PROCESS_InitWinelib( argc, argv );\n"
|
|
" return 1;\n"
|
|
"}\n\n" );
|
|
init_func = "exe_main";
|
|
break;
|
|
case SPEC_MODE_CUIEXE:
|
|
if (!init_func) init_func = "wine_main";
|
|
fprintf( outfile,
|
|
"\n#include <winbase.h>\n"
|
|
"static void exe_main(void)\n"
|
|
"{\n"
|
|
" extern int %s( int argc, char *argv[] );\n"
|
|
" extern int _ARGC;\n"
|
|
" extern char **_ARGV;\n"
|
|
" ExitProcess( %s( _ARGC, _ARGV ) );\n"
|
|
"}\n\n", init_func, init_func );
|
|
fprintf( outfile,
|
|
"int main( int argc, char *argv[] )\n"
|
|
"{\n"
|
|
" extern void PROCESS_InitWinelib( int, char ** );\n"
|
|
" PROCESS_InitWinelib( argc, argv );\n"
|
|
" return 1;\n"
|
|
"}\n\n" );
|
|
init_func = "exe_main";
|
|
break;
|
|
}
|
|
|
|
/* Output the DLL descriptor */
|
|
|
|
if (rsrc_name[0]) fprintf( outfile, "extern char %s[];\n\n", rsrc_name );
|
|
|
|
fprintf( outfile, "static const BUILTIN32_DESCRIPTOR descriptor =\n{\n" );
|
|
fprintf( outfile, " \"%s\",\n", DLLFileName );
|
|
fprintf( outfile, " %d,\n", nb_imports );
|
|
fprintf( outfile, " pe_header,\n" );
|
|
fprintf( outfile, " %s,\n", nr_exports ? "&exports" : "0" );
|
|
fprintf( outfile, " %s,\n", nr_exports ? "sizeof(exports.exp)" : "0" );
|
|
fprintf( outfile, " %s,\n", nb_imports ? "Imports" : "0" );
|
|
fprintf( outfile, " %s,\n", init_func ? init_func : "0" );
|
|
fprintf( outfile, " %d,\n", SpecMode == SPEC_MODE_DLL ? IMAGE_FILE_DLL : 0 );
|
|
fprintf( outfile, " %s\n", rsrc_name[0] ? rsrc_name : "0" );
|
|
fprintf( outfile, "};\n" );
|
|
|
|
/* Output the DLL constructor */
|
|
|
|
fprintf( outfile, "#ifdef __GNUC__\n" );
|
|
fprintf( outfile, "static void %s_init(void) __attribute__((constructor));\n", DLLName );
|
|
fprintf( outfile, "#else /* defined(__GNUC__) */\n" );
|
|
fprintf( outfile, "static void __asm__dummy_dll_init(void) {\n" );
|
|
fprintf( outfile, "asm(\"\\t.section\t.init ,\\\"ax\\\"\\n\"\n" );
|
|
fprintf( outfile, " \"\\tcall %s_init\\n\"\n", DLLName );
|
|
fprintf( outfile, " \"\\t.previous\\n\");\n" );
|
|
fprintf( outfile, "}\n" );
|
|
fprintf( outfile, "#endif /* defined(__GNUC__) */\n" );
|
|
fprintf( outfile, "static void %s_init(void) { BUILTIN32_RegisterDLL( &descriptor ); }\n",
|
|
DLLName );
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*******************************************************************
|
|
* Spec16TypeCompare
|
|
*/
|
|
static int Spec16TypeCompare( const void *e1, const void *e2 )
|
|
{
|
|
const ORDDEF *odp1 = *(const ORDDEF **)e1;
|
|
const ORDDEF *odp2 = *(const ORDDEF **)e2;
|
|
|
|
int type1 = (odp1->type == TYPE_CDECL) ? 0
|
|
: (odp1->type == TYPE_REGISTER) ? 3
|
|
: (odp1->type == TYPE_INTERRUPT) ? 4
|
|
: (odp1->type == TYPE_PASCAL_16) ? 1 : 2;
|
|
|
|
int type2 = (odp2->type == TYPE_CDECL) ? 0
|
|
: (odp2->type == TYPE_REGISTER) ? 3
|
|
: (odp2->type == TYPE_INTERRUPT) ? 4
|
|
: (odp2->type == TYPE_PASCAL_16) ? 1 : 2;
|
|
|
|
int retval = type1 - type2;
|
|
if ( !retval )
|
|
retval = strcmp( odp1->u.func.arg_types, odp2->u.func.arg_types );
|
|
|
|
return retval;
|
|
}
|
|
|
|
/*******************************************************************
|
|
* BuildSpec16File
|
|
*
|
|
* Build a Win16 assembly file from a spec file.
|
|
*/
|
|
static int BuildSpec16File( FILE *outfile )
|
|
{
|
|
ORDDEF **type, **typelist;
|
|
int i, nFuncs, nTypes;
|
|
int code_offset, data_offset, module_size;
|
|
unsigned char *data;
|
|
|
|
/* File header */
|
|
|
|
fprintf( outfile, "/* File generated automatically from %s; do not edit! */\n\n",
|
|
input_file_name );
|
|
fprintf( outfile, "#define __FLATCS__ 0x%04x\n", Code_Selector );
|
|
fprintf( outfile, "#include \"builtin16.h\"\n\n" );
|
|
|
|
data = (unsigned char *)xmalloc( 0x10000 );
|
|
memset( data, 0, 16 );
|
|
data_offset = 16;
|
|
strupper( DLLName );
|
|
|
|
/* Build sorted list of all argument types, without duplicates */
|
|
|
|
typelist = (ORDDEF **)calloc( Limit+1, sizeof(ORDDEF *) );
|
|
|
|
for (i = nFuncs = 0; i <= Limit; i++)
|
|
{
|
|
ORDDEF *odp = Ordinals[i];
|
|
if (!odp) continue;
|
|
switch (odp->type)
|
|
{
|
|
case TYPE_REGISTER:
|
|
case TYPE_INTERRUPT:
|
|
case TYPE_CDECL:
|
|
case TYPE_PASCAL:
|
|
case TYPE_PASCAL_16:
|
|
case TYPE_STUB:
|
|
typelist[nFuncs++] = odp;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
qsort( typelist, nFuncs, sizeof(ORDDEF *), Spec16TypeCompare );
|
|
|
|
i = nTypes = 0;
|
|
while ( i < nFuncs )
|
|
{
|
|
typelist[nTypes++] = typelist[i++];
|
|
while ( i < nFuncs && Spec16TypeCompare( typelist + i, typelist + nTypes-1 ) == 0 )
|
|
i++;
|
|
}
|
|
|
|
/* Output CallFrom16 routines needed by this .spec file */
|
|
|
|
for ( i = 0; i < nTypes; i++ )
|
|
{
|
|
char profile[101];
|
|
|
|
sprintf( profile, "%s_%s_%s",
|
|
(typelist[i]->type == TYPE_CDECL) ? "c" : "p",
|
|
(typelist[i]->type == TYPE_REGISTER) ? "regs" :
|
|
(typelist[i]->type == TYPE_INTERRUPT) ? "intr" :
|
|
(typelist[i]->type == TYPE_PASCAL_16) ? "word" : "long",
|
|
typelist[i]->u.func.arg_types );
|
|
|
|
BuildCallFrom16Func( outfile, profile, DLLName, TRUE );
|
|
}
|
|
|
|
/* Output the DLL functions prototypes */
|
|
|
|
for (i = 0; i <= Limit; i++)
|
|
{
|
|
ORDDEF *odp = Ordinals[i];
|
|
if (!odp) continue;
|
|
switch(odp->type)
|
|
{
|
|
case TYPE_REGISTER:
|
|
case TYPE_INTERRUPT:
|
|
case TYPE_CDECL:
|
|
case TYPE_PASCAL:
|
|
case TYPE_PASCAL_16:
|
|
fprintf( outfile, "extern void %s();\n", odp->u.func.link_name );
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Output code segment */
|
|
|
|
fprintf( outfile, "\nstatic struct\n{\n CALLFROM16 call[%d];\n"
|
|
" ENTRYPOINT16 entry[%d];\n} Code_Segment = \n{\n {\n",
|
|
nTypes, nFuncs );
|
|
code_offset = 0;
|
|
|
|
for ( i = 0; i < nTypes; i++ )
|
|
{
|
|
char profile[101], *arg;
|
|
int argsize = 0;
|
|
|
|
sprintf( profile, "%s_%s_%s",
|
|
(typelist[i]->type == TYPE_CDECL) ? "c" : "p",
|
|
(typelist[i]->type == TYPE_REGISTER) ? "regs" :
|
|
(typelist[i]->type == TYPE_INTERRUPT) ? "intr" :
|
|
(typelist[i]->type == TYPE_PASCAL_16) ? "word" : "long",
|
|
typelist[i]->u.func.arg_types );
|
|
|
|
if ( typelist[i]->type != TYPE_CDECL )
|
|
for ( arg = typelist[i]->u.func.arg_types; *arg; arg++ )
|
|
switch ( *arg )
|
|
{
|
|
case 'w': /* word */
|
|
case 's': /* s_word */
|
|
argsize += 2;
|
|
break;
|
|
|
|
case 'l': /* long or segmented pointer */
|
|
case 'T': /* segmented pointer to null-terminated string */
|
|
case 'p': /* linear pointer */
|
|
case 't': /* linear pointer to null-terminated string */
|
|
argsize += 4;
|
|
break;
|
|
}
|
|
|
|
if ( typelist[i]->type == TYPE_INTERRUPT )
|
|
argsize += 2;
|
|
|
|
fprintf( outfile, " CF16_%s( %s_CallFrom16_%s, %d, \"%s\" ),\n",
|
|
( typelist[i]->type == TYPE_REGISTER
|
|
|| typelist[i]->type == TYPE_INTERRUPT)? "REGS":
|
|
typelist[i]->type == TYPE_PASCAL_16? "WORD" : "LONG",
|
|
DLLName, profile, argsize, profile );
|
|
|
|
code_offset += sizeof(CALLFROM16);
|
|
}
|
|
fprintf( outfile, " },\n {\n" );
|
|
|
|
for (i = 0; i <= Limit; i++)
|
|
{
|
|
ORDDEF *odp = Ordinals[i];
|
|
if (!odp) continue;
|
|
switch (odp->type)
|
|
{
|
|
case TYPE_ABS:
|
|
odp->offset = LOWORD(odp->u.abs.value);
|
|
break;
|
|
|
|
case TYPE_BYTE:
|
|
odp->offset = data_offset;
|
|
data_offset += StoreVariableCode( data + data_offset, 1, odp);
|
|
break;
|
|
|
|
case TYPE_WORD:
|
|
odp->offset = data_offset;
|
|
data_offset += StoreVariableCode( data + data_offset, 2, odp);
|
|
break;
|
|
|
|
case TYPE_LONG:
|
|
odp->offset = data_offset;
|
|
data_offset += StoreVariableCode( data + data_offset, 4, odp);
|
|
break;
|
|
|
|
case TYPE_REGISTER:
|
|
case TYPE_INTERRUPT:
|
|
case TYPE_CDECL:
|
|
case TYPE_PASCAL:
|
|
case TYPE_PASCAL_16:
|
|
case TYPE_STUB:
|
|
type = bsearch( &odp, typelist, nTypes, sizeof(ORDDEF *), Spec16TypeCompare );
|
|
assert( type );
|
|
|
|
fprintf( outfile, " /* %s.%d */ ", DLLName, i );
|
|
fprintf( outfile, "EP( %s, %d /* %s_%s_%s */ ),\n",
|
|
odp->u.func.link_name,
|
|
(type-typelist)*sizeof(CALLFROM16) -
|
|
(code_offset + sizeof(ENTRYPOINT16)),
|
|
(odp->type == TYPE_CDECL) ? "c" : "p",
|
|
(odp->type == TYPE_REGISTER) ? "regs" :
|
|
(odp->type == TYPE_INTERRUPT) ? "intr" :
|
|
(odp->type == TYPE_PASCAL_16) ? "word" : "long",
|
|
odp->u.func.arg_types );
|
|
|
|
odp->offset = code_offset;
|
|
code_offset += sizeof(ENTRYPOINT16);
|
|
break;
|
|
|
|
default:
|
|
fprintf(stderr,"build: function type %d not available for Win16\n",
|
|
odp->type);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
fprintf( outfile, " }\n};\n" );
|
|
|
|
/* Output data segment */
|
|
|
|
DumpBytes( outfile, data, data_offset, "Data_Segment" );
|
|
|
|
/* Build the module */
|
|
|
|
module_size = BuildModule16( outfile, code_offset, data_offset );
|
|
|
|
/* Output the DLL descriptor */
|
|
|
|
if (rsrc_name[0]) fprintf( outfile, "extern const char %s[];\n\n", rsrc_name );
|
|
|
|
fprintf( outfile, "\nstatic const BUILTIN16_DESCRIPTOR descriptor = \n{\n" );
|
|
fprintf( outfile, " \"%s\",\n", DLLName );
|
|
fprintf( outfile, " Module,\n" );
|
|
fprintf( outfile, " sizeof(Module),\n" );
|
|
fprintf( outfile, " (BYTE *)&Code_Segment,\n" );
|
|
fprintf( outfile, " (BYTE *)Data_Segment,\n" );
|
|
fprintf( outfile, " %s\n", rsrc_name[0] ? rsrc_name : "0" );
|
|
fprintf( outfile, "};\n" );
|
|
|
|
/* Output the DLL constructor */
|
|
|
|
fprintf( outfile, "#ifdef __GNUC__\n" );
|
|
fprintf( outfile, "static void %s_init(void) __attribute__((constructor));\n", DLLName );
|
|
fprintf( outfile, "#else /* defined(__GNUC__) */\n" );
|
|
fprintf( outfile, "static void __asm__dummy_dll_init(void) {\n" );
|
|
fprintf( outfile, "asm(\"\\t.section\t.init ,\\\"ax\\\"\\n\"\n" );
|
|
fprintf( outfile, " \"\\tcall %s_init\\n\"\n", DLLName );
|
|
fprintf( outfile, " \"\\t.previous\\n\");\n" );
|
|
fprintf( outfile, "}\n" );
|
|
fprintf( outfile, "#endif /* defined(__GNUC__) */\n" );
|
|
fprintf( outfile, "static void %s_init(void) { BUILTIN_RegisterDLL( &descriptor ); }\n",
|
|
DLLName );
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* BuildSpecFile
|
|
*
|
|
* Build an assembly file from a spec file.
|
|
*/
|
|
static void BuildSpecFile( FILE *outfile, FILE *infile )
|
|
{
|
|
SpecFp = infile;
|
|
ParseTopLevel();
|
|
|
|
switch(SpecType)
|
|
{
|
|
case SPEC_WIN16:
|
|
BuildSpec16File( outfile );
|
|
break;
|
|
case SPEC_WIN32:
|
|
BuildSpec32File( outfile );
|
|
break;
|
|
default:
|
|
fatal_error( "Missing 'type' declaration\n" );
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* BuildCallFrom16Func
|
|
*
|
|
* Build a 16-bit-to-Wine callback glue function.
|
|
*
|
|
* The generated routines are intended to be used as argument conversion
|
|
* routines to be called by the CallFrom16... core. Thus, the prototypes of
|
|
* the generated routines are (see also CallFrom16):
|
|
*
|
|
* extern WORD WINAPI PREFIX_CallFrom16_C_word_xxx( FARPROC func, LPBYTE args );
|
|
* extern LONG WINAPI PREFIX_CallFrom16_C_long_xxx( FARPROC func, LPBYTE args );
|
|
* extern void WINAPI PREFIX_CallFrom16_C_regs_xxx( FARPROC func, LPBYTE args,
|
|
* CONTEXT86 *context );
|
|
* extern void WINAPI PREFIX_CallFrom16_C_intr_xxx( FARPROC func, LPBYTE args,
|
|
* CONTEXT86 *context );
|
|
*
|
|
* where 'C' is the calling convention ('p' for pascal or 'c' for cdecl),
|
|
* and each 'x' is an argument ('w'=word, 's'=signed word, 'l'=long,
|
|
* 'p'=linear pointer, 't'=linear pointer to null-terminated string,
|
|
* 'T'=segmented pointer to null-terminated string).
|
|
*
|
|
* The generated routines fetch the arguments from the 16-bit stack (pointed
|
|
* to by 'args'); the offsets of the single argument values are computed
|
|
* according to the calling convention and the argument types. Then, the
|
|
* 32-bit entry point is called with these arguments.
|
|
*
|
|
* For register functions, the arguments (if present) are converted just
|
|
* the same as for normal functions, but in addition the CONTEXT86 pointer
|
|
* filled with the current register values is passed to the 32-bit routine.
|
|
* (An 'intr' interrupt handler routine is treated exactly like a register
|
|
* routine, except that upon return, the flags word pushed onto the stack
|
|
* by the interrupt is removed by the 16-bit call stub.)
|
|
*
|
|
*/
|
|
static void BuildCallFrom16Func( FILE *outfile, char *profile, char *prefix, int local )
|
|
{
|
|
int i, pos, argsize = 0;
|
|
int short_ret = 0;
|
|
int reg_func = 0;
|
|
int usecdecl = 0;
|
|
char *args = profile + 7;
|
|
char *ret_type;
|
|
|
|
/* Parse function type */
|
|
|
|
if (!strncmp( "c_", profile, 2 )) usecdecl = 1;
|
|
else if (strncmp( "p_", profile, 2 ))
|
|
{
|
|
fprintf( stderr, "Invalid function name '%s', ignored\n", profile );
|
|
return;
|
|
}
|
|
|
|
if (!strncmp( "word_", profile + 2, 5 )) short_ret = 1;
|
|
else if (!strncmp( "regs_", profile + 2, 5 )) reg_func = 1;
|
|
else if (!strncmp( "intr_", profile + 2, 5 )) reg_func = 2;
|
|
else if (strncmp( "long_", profile + 2, 5 ))
|
|
{
|
|
fprintf( stderr, "Invalid function name '%s', ignored\n", profile );
|
|
return;
|
|
}
|
|
|
|
for ( i = 0; args[i]; i++ )
|
|
switch ( args[i] )
|
|
{
|
|
case 'w': /* word */
|
|
case 's': /* s_word */
|
|
argsize += 2;
|
|
break;
|
|
|
|
case 'l': /* long or segmented pointer */
|
|
case 'T': /* segmented pointer to null-terminated string */
|
|
case 'p': /* linear pointer */
|
|
case 't': /* linear pointer to null-terminated string */
|
|
argsize += 4;
|
|
break;
|
|
}
|
|
|
|
ret_type = reg_func? "void" : short_ret? "WORD" : "LONG";
|
|
|
|
fprintf( outfile, "typedef %s WINAPI (*proc_%s_t)( ",
|
|
ret_type, profile );
|
|
args = profile + 7;
|
|
for ( i = 0; args[i]; i++ )
|
|
{
|
|
if ( i ) fprintf( outfile, ", " );
|
|
switch (args[i])
|
|
{
|
|
case 'w': fprintf( outfile, "WORD" ); break;
|
|
case 's': fprintf( outfile, "INT16" ); break;
|
|
case 'l': case 'T': fprintf( outfile, "LONG" ); break;
|
|
case 'p': case 't': fprintf( outfile, "LPVOID" ); break;
|
|
}
|
|
}
|
|
if ( reg_func )
|
|
fprintf( outfile, "%sstruct _CONTEXT86 *", i? ", " : "" );
|
|
else if ( !i )
|
|
fprintf( outfile, "void" );
|
|
fprintf( outfile, " );\n" );
|
|
|
|
fprintf( outfile, "%s%s WINAPI %s_CallFrom16_%s( FARPROC proc, LPBYTE args%s )\n{\n",
|
|
local? "static " : "", ret_type, prefix, profile,
|
|
reg_func? ", struct _CONTEXT86 *context" : "" );
|
|
|
|
fprintf( outfile, " %s((proc_%s_t) proc) (\n",
|
|
reg_func? "" : "return ", profile );
|
|
args = profile + 7;
|
|
pos = !usecdecl? argsize : 0;
|
|
for ( i = 0; args[i]; i++ )
|
|
{
|
|
if ( i ) fprintf( outfile, ",\n" );
|
|
fprintf( outfile, " " );
|
|
switch (args[i])
|
|
{
|
|
case 'w': /* word */
|
|
if ( !usecdecl ) pos -= 2;
|
|
fprintf( outfile, "*(WORD *)(args+%d)", pos );
|
|
if ( usecdecl ) pos += 2;
|
|
break;
|
|
|
|
case 's': /* s_word */
|
|
if ( !usecdecl ) pos -= 2;
|
|
fprintf( outfile, "*(INT16 *)(args+%d)", pos );
|
|
if ( usecdecl ) pos += 2;
|
|
break;
|
|
|
|
case 'l': /* long or segmented pointer */
|
|
case 'T': /* segmented pointer to null-terminated string */
|
|
if ( !usecdecl ) pos -= 4;
|
|
fprintf( outfile, "*(LONG *)(args+%d)", pos );
|
|
if ( usecdecl ) pos += 4;
|
|
break;
|
|
|
|
case 'p': /* linear pointer */
|
|
case 't': /* linear pointer to null-terminated string */
|
|
if ( !usecdecl ) pos -= 4;
|
|
fprintf( outfile, "PTR_SEG_TO_LIN( *(SEGPTR *)(args+%d) )", pos );
|
|
if ( usecdecl ) pos += 4;
|
|
break;
|
|
|
|
default:
|
|
fprintf( stderr, "Unknown arg type '%c'\n", args[i] );
|
|
}
|
|
}
|
|
if ( reg_func )
|
|
fprintf( outfile, "%s context", i? ",\n" : "" );
|
|
fprintf( outfile, " );\n}\n\n" );
|
|
}
|
|
|
|
/*******************************************************************
|
|
* BuildCallTo16Func
|
|
*
|
|
* Build a Wine-to-16-bit callback glue function.
|
|
*
|
|
* Prototypes for the CallTo16 functions:
|
|
* extern WORD CALLBACK PREFIX_CallTo16_word_xxx( FARPROC16 func, args... );
|
|
* extern LONG CALLBACK PREFIX_CallTo16_long_xxx( FARPROC16 func, args... );
|
|
*
|
|
* These routines are provided solely for convenience; they simply
|
|
* write the arguments onto the 16-bit stack, and call the appropriate
|
|
* CallTo16... core routine.
|
|
*
|
|
* If you have more sophisticated argument conversion requirements than
|
|
* are provided by these routines, you might as well call the core
|
|
* routines by yourself.
|
|
*
|
|
*/
|
|
static void BuildCallTo16Func( FILE *outfile, char *profile, char *prefix )
|
|
{
|
|
char *args = profile + 5;
|
|
int i, argsize = 0, short_ret = 0;
|
|
|
|
if (!strncmp( "word_", profile, 5 )) short_ret = 1;
|
|
else if (strncmp( "long_", profile, 5 ))
|
|
{
|
|
fprintf( stderr, "Invalid function name '%s'.\n", profile );
|
|
exit(1);
|
|
}
|
|
|
|
fprintf( outfile, "%s %s_CallTo16_%s( FARPROC16 proc",
|
|
short_ret? "WORD" : "LONG", prefix, profile );
|
|
args = profile + 5;
|
|
for ( i = 0; args[i]; i++ )
|
|
{
|
|
fprintf( outfile, ", " );
|
|
switch (args[i])
|
|
{
|
|
case 'w': fprintf( outfile, "WORD" ); argsize += 2; break;
|
|
case 'l': fprintf( outfile, "LONG" ); argsize += 4; break;
|
|
}
|
|
fprintf( outfile, " arg%d", i+1 );
|
|
}
|
|
fprintf( outfile, " )\n{\n" );
|
|
|
|
if ( argsize > 0 )
|
|
fprintf( outfile, " LPBYTE args = (LPBYTE)CURRENT_STACK16;\n" );
|
|
|
|
args = profile + 5;
|
|
for ( i = 0; args[i]; i++ )
|
|
{
|
|
switch (args[i])
|
|
{
|
|
case 'w': fprintf( outfile, " args -= sizeof(WORD); *(WORD" ); break;
|
|
case 'l': fprintf( outfile, " args -= sizeof(LONG); *(LONG" ); break;
|
|
default: fprintf( stderr, "Unexpected case '%c' in BuildCallTo16Func\n",
|
|
args[i] );
|
|
}
|
|
fprintf( outfile, " *)args = arg%d;\n", i+1 );
|
|
}
|
|
|
|
fprintf( outfile, " return CallTo16%s( proc, %d );\n}\n\n",
|
|
short_ret? "Word" : "Long", argsize );
|
|
}
|
|
|
|
|
|
|
|
/*******************************************************************
|
|
* BuildCallFrom16Core
|
|
*
|
|
* This routine builds the core routines used in 16->32 thunks:
|
|
* CallFrom16Word, CallFrom16Long, CallFrom16Register, and CallFrom16Thunk.
|
|
*
|
|
* These routines are intended to be called via a far call (with 32-bit
|
|
* operand size) from 16-bit code. The 16-bit code stub must push %bp,
|
|
* the 32-bit entry point to be called, and the argument conversion
|
|
* routine to be used (see stack layout below).
|
|
*
|
|
* The core routine completes the STACK16FRAME on the 16-bit stack and
|
|
* switches to the 32-bit stack. Then, the argument conversion routine
|
|
* is called; it gets passed the 32-bit entry point and a pointer to the
|
|
* 16-bit arguments (on the 16-bit stack) as parameters. (You can either
|
|
* use conversion routines automatically generated by BuildCallFrom16,
|
|
* or write your own for special purposes.)
|
|
*
|
|
* The conversion routine must call the 32-bit entry point, passing it
|
|
* the converted arguments, and return its return value to the core.
|
|
* After the conversion routine has returned, the core switches back
|
|
* to the 16-bit stack, converts the return value to the DX:AX format
|
|
* (CallFrom16Long), and returns to the 16-bit call stub. All parameters,
|
|
* including %bp, are popped off the stack.
|
|
*
|
|
* The 16-bit call stub now returns to the caller, popping the 16-bit
|
|
* arguments if necessary (pascal calling convention).
|
|
*
|
|
* In the case of a 'register' function, CallFrom16Register fills a
|
|
* CONTEXT86 structure with the values all registers had at the point
|
|
* the first instruction of the 16-bit call stub was about to be
|
|
* executed. A pointer to this CONTEXT86 is passed as third parameter
|
|
* to the argument conversion routine, which typically passes it on
|
|
* to the called 32-bit entry point.
|
|
*
|
|
* CallFrom16Thunk is a special variant used by the implementation of
|
|
* the Win95 16->32 thunk functions C16ThkSL and C16ThkSL01 and is
|
|
* implemented as follows:
|
|
* On entry, the EBX register is set up to contain a flat pointer to the
|
|
* 16-bit stack such that EBX+22 points to the first argument.
|
|
* Then, the entry point is called, while EBP is set up to point
|
|
* to the return address (on the 32-bit stack).
|
|
* The called function returns with CX set to the number of bytes
|
|
* to be popped of the caller's stack.
|
|
*
|
|
* Stack layout upon entry to the core routine (STACK16FRAME):
|
|
* ... ...
|
|
* (sp+24) word first 16-bit arg
|
|
* (sp+22) word cs
|
|
* (sp+20) word ip
|
|
* (sp+18) word bp
|
|
* (sp+14) long 32-bit entry point (reused for Win16 mutex recursion count)
|
|
* (sp+12) word ip of actual entry point (necessary for relay debugging)
|
|
* (sp+8) long relay (argument conversion) function entry point
|
|
* (sp+4) long cs of 16-bit entry point
|
|
* (sp) long ip of 16-bit entry point
|
|
*
|
|
* Added on the stack:
|
|
* (sp-2) word saved gs
|
|
* (sp-4) word saved fs
|
|
* (sp-6) word saved es
|
|
* (sp-8) word saved ds
|
|
* (sp-12) long saved ebp
|
|
* (sp-16) long saved ecx
|
|
* (sp-20) long saved edx
|
|
* (sp-24) long saved previous stack
|
|
*/
|
|
static void BuildCallFrom16Core( FILE *outfile, int reg_func, int thunk, int short_ret )
|
|
{
|
|
char *name = thunk? "Thunk" : reg_func? "Register" : short_ret? "Word" : "Long";
|
|
|
|
/* Function header */
|
|
fprintf( outfile, "\n\t.align 4\n" );
|
|
#ifdef USE_STABS
|
|
fprintf( outfile, ".stabs \"CallFrom16%s:F1\",36,0,0," PREFIX "CallFrom16%s\n",
|
|
name, name);
|
|
#endif
|
|
fprintf( outfile, "\t.type " PREFIX "CallFrom16%s,@function\n", name );
|
|
fprintf( outfile, "\t.globl " PREFIX "CallFrom16%s\n", name );
|
|
fprintf( outfile, PREFIX "CallFrom16%s:\n", name );
|
|
|
|
/* Create STACK16FRAME (except STACK32FRAME link) */
|
|
fprintf( outfile, "\tpushw %%gs\n" );
|
|
fprintf( outfile, "\tpushw %%fs\n" );
|
|
fprintf( outfile, "\tpushw %%es\n" );
|
|
fprintf( outfile, "\tpushw %%ds\n" );
|
|
fprintf( outfile, "\tpushl %%ebp\n" );
|
|
fprintf( outfile, "\tpushl %%ecx\n" );
|
|
fprintf( outfile, "\tpushl %%edx\n" );
|
|
|
|
/* Save original EFlags register */
|
|
fprintf( outfile, "\tpushfl\n" );
|
|
|
|
if ( UsePIC )
|
|
{
|
|
/* Get Global Offset Table into %ecx */
|
|
fprintf( outfile, "\tcall .LCallFrom16%s.getgot1\n", name );
|
|
fprintf( outfile, ".LCallFrom16%s.getgot1:\n", name );
|
|
fprintf( outfile, "\tpopl %%ecx\n" );
|
|
fprintf( outfile, "\taddl $_GLOBAL_OFFSET_TABLE_+[.-.LCallFrom16%s.getgot1], %%ecx\n", name );
|
|
}
|
|
|
|
/* Load 32-bit segment registers */
|
|
fprintf( outfile, "\tmovw $0x%04x, %%dx\n", Data_Selector );
|
|
#ifdef __svr4__
|
|
fprintf( outfile, "\tdata16\n");
|
|
#endif
|
|
fprintf( outfile, "\tmovw %%dx, %%ds\n" );
|
|
#ifdef __svr4__
|
|
fprintf( outfile, "\tdata16\n");
|
|
#endif
|
|
fprintf( outfile, "\tmovw %%dx, %%es\n" );
|
|
|
|
if ( UsePIC )
|
|
{
|
|
fprintf( outfile, "\tmovl " PREFIX "SYSLEVEL_Win16CurrentTeb@GOT(%%ecx), %%edx\n" );
|
|
fprintf( outfile, "\tmovw (%%edx), %%fs\n" );
|
|
}
|
|
else
|
|
fprintf( outfile, "\tmovw " PREFIX "SYSLEVEL_Win16CurrentTeb, %%fs\n" );
|
|
|
|
/* Get address of ldt_copy array into %ecx */
|
|
if ( UsePIC )
|
|
fprintf( outfile, "\tmovl " PREFIX "ldt_copy@GOT(%%ecx), %%ecx\n" );
|
|
else
|
|
fprintf( outfile, "\tmovl $" PREFIX "ldt_copy, %%ecx\n" );
|
|
|
|
/* Translate STACK16FRAME base to flat offset in %edx */
|
|
fprintf( outfile, "\tmovw %%ss, %%dx\n" );
|
|
fprintf( outfile, "\tandl $0xfff8, %%edx\n" );
|
|
fprintf( outfile, "\tmovl (%%ecx,%%edx), %%edx\n" );
|
|
fprintf( outfile, "\tmovzwl %%sp, %%ebp\n" );
|
|
fprintf( outfile, "\tleal (%%ebp,%%edx), %%edx\n" );
|
|
|
|
/* Get saved flags into %ecx */
|
|
fprintf( outfile, "\tpopl %%ecx\n" );
|
|
|
|
/* Get the 32-bit stack pointer from the TEB and complete STACK16FRAME */
|
|
fprintf( outfile, "\t.byte 0x64\n\tmovl (%d), %%ebp\n", STACKOFFSET );
|
|
fprintf( outfile, "\tpushl %%ebp\n" );
|
|
|
|
/* Switch stacks */
|
|
#ifdef __svr4__
|
|
fprintf( outfile,"\tdata16\n");
|
|
#endif
|
|
fprintf( outfile, "\t.byte 0x64\n\tmovw %%ss, (%d)\n", STACKOFFSET + 2 );
|
|
fprintf( outfile, "\t.byte 0x64\n\tmovw %%sp, (%d)\n", STACKOFFSET );
|
|
fprintf( outfile, "\tpushl %%ds\n" );
|
|
fprintf( outfile, "\tpopl %%ss\n" );
|
|
fprintf( outfile, "\tmovl %%ebp, %%esp\n" );
|
|
fprintf( outfile, "\taddl $%d, %%ebp\n", STRUCTOFFSET(STACK32FRAME, ebp) );
|
|
|
|
|
|
/* At this point:
|
|
STACK16FRAME is completely set up
|
|
DS, ES, SS: flat data segment
|
|
FS: current TEB
|
|
ESP: points to last STACK32FRAME
|
|
EBP: points to ebp member of last STACK32FRAME
|
|
EDX: points to current STACK16FRAME
|
|
ECX: contains saved flags
|
|
all other registers: unchanged */
|
|
|
|
/* Special case: C16ThkSL stub */
|
|
if ( thunk )
|
|
{
|
|
/* Set up registers as expected and call thunk */
|
|
fprintf( outfile, "\tleal %d(%%edx), %%ebx\n", sizeof(STACK16FRAME)-22 );
|
|
fprintf( outfile, "\tleal -4(%%esp), %%ebp\n" );
|
|
|
|
fprintf( outfile, "\tcall *%d(%%edx)\n", STACK16OFFSET(entry_point) );
|
|
|
|
/* Switch stack back */
|
|
/* fprintf( outfile, "\t.byte 0x64\n\tlssw (%d), %%sp\n", STACKOFFSET ); */
|
|
fprintf( outfile, "\t.byte 0x64,0x66,0x0f,0xb2,0x25\n\t.long %d\n", STACKOFFSET );
|
|
fprintf( outfile, "\t.byte 0x64\n\tpopl (%d)\n", STACKOFFSET );
|
|
|
|
/* Restore registers and return directly to caller */
|
|
fprintf( outfile, "\taddl $8, %%esp\n" );
|
|
fprintf( outfile, "\tpopl %%ebp\n" );
|
|
fprintf( outfile, "\tpopw %%ds\n" );
|
|
fprintf( outfile, "\tpopw %%es\n" );
|
|
fprintf( outfile, "\tpopw %%fs\n" );
|
|
fprintf( outfile, "\tpopw %%gs\n" );
|
|
fprintf( outfile, "\taddl $20, %%esp\n" );
|
|
|
|
fprintf( outfile, "\txorb %%ch, %%ch\n" );
|
|
fprintf( outfile, "\tpopl %%ebx\n" );
|
|
fprintf( outfile, "\taddw %%cx, %%sp\n" );
|
|
fprintf( outfile, "\tpush %%ebx\n" );
|
|
|
|
fprintf( outfile, "\t.byte 0x66\n" );
|
|
fprintf( outfile, "\tlret\n" );
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/* Build register CONTEXT */
|
|
if ( reg_func )
|
|
{
|
|
fprintf( outfile, "\tsubl $%d, %%esp\n", sizeof(CONTEXT86) );
|
|
|
|
fprintf( outfile, "\tmovl %%ecx, %d(%%esp)\n", CONTEXTOFFSET(EFlags) );
|
|
|
|
fprintf( outfile, "\tmovl %%eax, %d(%%esp)\n", CONTEXTOFFSET(Eax) );
|
|
fprintf( outfile, "\tmovl %%ebx, %d(%%esp)\n", CONTEXTOFFSET(Ebx) );
|
|
fprintf( outfile, "\tmovl %%esi, %d(%%esp)\n", CONTEXTOFFSET(Esi) );
|
|
fprintf( outfile, "\tmovl %%edi, %d(%%esp)\n", CONTEXTOFFSET(Edi) );
|
|
|
|
fprintf( outfile, "\tmovl %d(%%edx), %%eax\n", STACK16OFFSET(ebp) );
|
|
fprintf( outfile, "\tmovl %%eax, %d(%%esp)\n", CONTEXTOFFSET(Ebp) );
|
|
fprintf( outfile, "\tmovl %d(%%edx), %%eax\n", STACK16OFFSET(ecx) );
|
|
fprintf( outfile, "\tmovl %%eax, %d(%%esp)\n", CONTEXTOFFSET(Ecx) );
|
|
fprintf( outfile, "\tmovl %d(%%edx), %%eax\n", STACK16OFFSET(edx) );
|
|
fprintf( outfile, "\tmovl %%eax, %d(%%esp)\n", CONTEXTOFFSET(Edx) );
|
|
|
|
fprintf( outfile, "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(ds) );
|
|
fprintf( outfile, "\tmovl %%eax, %d(%%esp)\n", CONTEXTOFFSET(SegDs) );
|
|
fprintf( outfile, "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(es) );
|
|
fprintf( outfile, "\tmovl %%eax, %d(%%esp)\n", CONTEXTOFFSET(SegEs) );
|
|
fprintf( outfile, "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(fs) );
|
|
fprintf( outfile, "\tmovl %%eax, %d(%%esp)\n", CONTEXTOFFSET(SegFs) );
|
|
fprintf( outfile, "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(gs) );
|
|
fprintf( outfile, "\tmovl %%eax, %d(%%esp)\n", CONTEXTOFFSET(SegGs) );
|
|
|
|
fprintf( outfile, "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(cs) );
|
|
fprintf( outfile, "\tmovl %%eax, %d(%%esp)\n", CONTEXTOFFSET(SegCs) );
|
|
fprintf( outfile, "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(ip) );
|
|
fprintf( outfile, "\tmovl %%eax, %d(%%esp)\n", CONTEXTOFFSET(Eip) );
|
|
|
|
fprintf( outfile, "\t.byte 0x64\n\tmovzwl (%d), %%eax\n", STACKOFFSET+2 );
|
|
fprintf( outfile, "\tmovl %%eax, %d(%%esp)\n", CONTEXTOFFSET(SegSs) );
|
|
fprintf( outfile, "\t.byte 0x64\n\tmovzwl (%d), %%eax\n", STACKOFFSET );
|
|
fprintf( outfile, "\taddl $%d, %%eax\n", STACK16OFFSET(ip) );
|
|
fprintf( outfile, "\tmovl %%eax, %d(%%esp)\n", CONTEXTOFFSET(Esp) );
|
|
#if 0
|
|
fprintf( outfile, "\tfsave %d(%%esp)\n", CONTEXTOFFSET(FloatSave) );
|
|
#endif
|
|
|
|
/* Push address of CONTEXT86 structure -- popped by the relay routine */
|
|
fprintf( outfile, "\tpushl %%esp\n" );
|
|
}
|
|
|
|
|
|
/* Print debug info before call */
|
|
if ( debugging )
|
|
{
|
|
if ( UsePIC )
|
|
{
|
|
fprintf( outfile, "\tpushl %%ebx\n" );
|
|
|
|
/* Get Global Offset Table into %ebx (for PLT call) */
|
|
fprintf( outfile, "\tcall .LCallFrom16%s.getgot2\n", name );
|
|
fprintf( outfile, ".LCallFrom16%s.getgot2:\n", name );
|
|
fprintf( outfile, "\tpopl %%ebx\n" );
|
|
fprintf( outfile, "\taddl $_GLOBAL_OFFSET_TABLE_+[.-.LCallFrom16%s.getgot2], %%ebx\n", name );
|
|
}
|
|
|
|
fprintf( outfile, "\tpushl %%edx\n" );
|
|
if ( reg_func )
|
|
fprintf( outfile, "\tleal -%d(%%ebp), %%eax\n\tpushl %%eax\n",
|
|
sizeof(CONTEXT) + STRUCTOFFSET(STACK32FRAME, ebp) );
|
|
else
|
|
fprintf( outfile, "\tpushl $0\n" );
|
|
|
|
if ( UsePIC )
|
|
fprintf( outfile, "\tcall " PREFIX "RELAY_DebugCallFrom16@PLT\n ");
|
|
else
|
|
fprintf( outfile, "\tcall " PREFIX "RELAY_DebugCallFrom16\n ");
|
|
|
|
fprintf( outfile, "\tpopl %%edx\n" );
|
|
fprintf( outfile, "\tpopl %%edx\n" );
|
|
|
|
if ( UsePIC )
|
|
fprintf( outfile, "\tpopl %%ebx\n" );
|
|
}
|
|
|
|
/* Call relay routine (which will call the API entry point) */
|
|
fprintf( outfile, "\tleal %d(%%edx), %%eax\n", sizeof(STACK16FRAME) );
|
|
fprintf( outfile, "\tpushl %%eax\n" );
|
|
fprintf( outfile, "\tpushl %d(%%edx)\n", STACK16OFFSET(entry_point) );
|
|
fprintf( outfile, "\tcall *%d(%%edx)\n", STACK16OFFSET(relay) );
|
|
|
|
/* Print debug info after call */
|
|
if ( debugging )
|
|
{
|
|
if ( UsePIC )
|
|
{
|
|
fprintf( outfile, "\tpushl %%ebx\n" );
|
|
|
|
/* Get Global Offset Table into %ebx (for PLT call) */
|
|
fprintf( outfile, "\tcall .LCallFrom16%s.getgot3\n", name );
|
|
fprintf( outfile, ".LCallFrom16%s.getgot3:\n", name );
|
|
fprintf( outfile, "\tpopl %%ebx\n" );
|
|
fprintf( outfile, "\taddl $_GLOBAL_OFFSET_TABLE_+[.-.LCallFrom16%s.getgot3], %%ebx\n", name );
|
|
}
|
|
|
|
fprintf( outfile, "\tpushl %%eax\n" );
|
|
if ( reg_func )
|
|
fprintf( outfile, "\tleal -%d(%%ebp), %%eax\n\tpushl %%eax\n",
|
|
sizeof(CONTEXT) + STRUCTOFFSET(STACK32FRAME, ebp) );
|
|
else
|
|
fprintf( outfile, "\tpushl $0\n" );
|
|
|
|
if ( UsePIC )
|
|
fprintf( outfile, "\tcall " PREFIX "RELAY_DebugCallFrom16Ret@PLT\n ");
|
|
else
|
|
fprintf( outfile, "\tcall " PREFIX "RELAY_DebugCallFrom16Ret\n ");
|
|
|
|
fprintf( outfile, "\tpopl %%eax\n" );
|
|
fprintf( outfile, "\tpopl %%eax\n" );
|
|
|
|
if ( UsePIC )
|
|
fprintf( outfile, "\tpopl %%ebx\n" );
|
|
}
|
|
|
|
|
|
if ( reg_func )
|
|
{
|
|
fprintf( outfile, "\tmovl %%esp, %%ebx\n" );
|
|
|
|
/* Switch stack back */
|
|
/* fprintf( outfile, "\t.byte 0x64\n\tlssw (%d), %%sp\n", STACKOFFSET ); */
|
|
fprintf( outfile, "\t.byte 0x64,0x66,0x0f,0xb2,0x25\n\t.long %d\n", STACKOFFSET );
|
|
fprintf( outfile, "\t.byte 0x64\n\tpopl (%d)\n", STACKOFFSET );
|
|
|
|
/* Get return address to CallFrom16 stub */
|
|
fprintf( outfile, "\taddw $%d, %%sp\n", STACK16OFFSET(callfrom_ip)-4 );
|
|
fprintf( outfile, "\tpopl %%eax\n" );
|
|
fprintf( outfile, "\tpopl %%edx\n" );
|
|
|
|
/* Restore all registers from CONTEXT */
|
|
fprintf( outfile, "\tmovw %d(%%ebx), %%ss\n", CONTEXTOFFSET(SegSs) );
|
|
fprintf( outfile, "\tmovl %d(%%ebx), %%esp\n", CONTEXTOFFSET(Esp) );
|
|
fprintf( outfile, "\taddl $4, %%esp\n" ); /* room for final return address */
|
|
|
|
fprintf( outfile, "\tpushw %d(%%ebx)\n", CONTEXTOFFSET(SegCs) );
|
|
fprintf( outfile, "\tpushw %d(%%ebx)\n", CONTEXTOFFSET(Eip) );
|
|
fprintf( outfile, "\tpushl %%edx\n" );
|
|
fprintf( outfile, "\tpushl %%eax\n" );
|
|
fprintf( outfile, "\tpushl %d(%%ebx)\n", CONTEXTOFFSET(EFlags) );
|
|
fprintf( outfile, "\tpushl %d(%%ebx)\n", CONTEXTOFFSET(SegDs) );
|
|
|
|
fprintf( outfile, "\tmovw %d(%%ebx), %%es\n", CONTEXTOFFSET(SegEs) );
|
|
fprintf( outfile, "\tmovw %d(%%ebx), %%fs\n", CONTEXTOFFSET(SegFs) );
|
|
fprintf( outfile, "\tmovw %d(%%ebx), %%gs\n", CONTEXTOFFSET(SegGs) );
|
|
|
|
fprintf( outfile, "\tmovl %d(%%ebx), %%ebp\n", CONTEXTOFFSET(Ebp) );
|
|
fprintf( outfile, "\tmovl %d(%%ebx), %%esi\n", CONTEXTOFFSET(Esi) );
|
|
fprintf( outfile, "\tmovl %d(%%ebx), %%edi\n", CONTEXTOFFSET(Edi) );
|
|
fprintf( outfile, "\tmovl %d(%%ebx), %%eax\n", CONTEXTOFFSET(Eax) );
|
|
fprintf( outfile, "\tmovl %d(%%ebx), %%edx\n", CONTEXTOFFSET(Edx) );
|
|
fprintf( outfile, "\tmovl %d(%%ebx), %%ecx\n", CONTEXTOFFSET(Ecx) );
|
|
fprintf( outfile, "\tmovl %d(%%ebx), %%ebx\n", CONTEXTOFFSET(Ebx) );
|
|
|
|
fprintf( outfile, "\tpopl %%ds\n" );
|
|
fprintf( outfile, "\tpopfl\n" );
|
|
fprintf( outfile, "\tlret\n" );
|
|
}
|
|
else
|
|
{
|
|
/* Switch stack back */
|
|
/* fprintf( outfile, "\t.byte 0x64\n\tlssw (%d), %%sp\n", STACKOFFSET ); */
|
|
fprintf( outfile, "\t.byte 0x64,0x66,0x0f,0xb2,0x25\n\t.long %d\n", STACKOFFSET );
|
|
fprintf( outfile, "\t.byte 0x64\n\tpopl (%d)\n", STACKOFFSET );
|
|
|
|
/* Restore registers */
|
|
fprintf( outfile, "\tpopl %%edx\n" );
|
|
fprintf( outfile, "\tpopl %%ecx\n" );
|
|
fprintf( outfile, "\tpopl %%ebp\n" );
|
|
fprintf( outfile, "\tpopw %%ds\n" );
|
|
fprintf( outfile, "\tpopw %%es\n" );
|
|
fprintf( outfile, "\tpopw %%fs\n" );
|
|
fprintf( outfile, "\tpopw %%gs\n" );
|
|
|
|
/* Prepare return value and set flags accordingly */
|
|
if ( !short_ret )
|
|
fprintf( outfile, "\tshldl $16, %%eax, %%edx\n" );
|
|
fprintf( outfile, "\torl %%eax, %%eax\n" );
|
|
|
|
/* Return to return stub which will return to caller */
|
|
fprintf( outfile, "\tlret $12\n" );
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* BuildCallTo16Core
|
|
*
|
|
* This routine builds the core routines used in 32->16 thunks:
|
|
*
|
|
* extern void CALLBACK CallTo16Word( SEGPTR target, int nb_args );
|
|
* extern void CALLBACK CallTo16Long( SEGPTR target, int nb_args );
|
|
* extern void CALLBACK CallTo16RegisterShort( const CONTEXT86 *context, int nb_args );
|
|
* extern void CALLBACK CallTo16RegisterLong ( const CONTEXT86 *context, int nb_args );
|
|
*
|
|
* These routines can be called directly from 32-bit code.
|
|
*
|
|
* All routines expect that the 16-bit stack contents (arguments) were
|
|
* already set up by the caller; nb_args must contain the number of bytes
|
|
* to be conserved. The 16-bit SS:SP will be set accordinly.
|
|
*
|
|
* All other registers are either taken from the CONTEXT86 structure
|
|
* or else set to default values. The target routine address is either
|
|
* given directly or taken from the CONTEXT86.
|
|
*
|
|
* If you want to call a 16-bit routine taking only standard argument types
|
|
* (WORD and LONG), you can also have an appropriate argument conversion
|
|
* stub automatically generated (see BuildCallTo16); you'd then call this
|
|
* stub, which in turn would prepare the 16-bit stack and call the appropiate
|
|
* core routine.
|
|
*
|
|
*/
|
|
|
|
static void BuildCallTo16Core( FILE *outfile, int short_ret, int reg_func )
|
|
{
|
|
char *name = reg_func == 2 ? "RegisterLong" :
|
|
reg_func == 1 ? "RegisterShort" :
|
|
short_ret? "Word" : "Long";
|
|
|
|
/* Function header */
|
|
fprintf( outfile, "\n\t.align 4\n" );
|
|
#ifdef USE_STABS
|
|
fprintf( outfile, ".stabs \"CallTo16%s:F1\",36,0,0," PREFIX "CallTo16%s\n",
|
|
name, name);
|
|
#endif
|
|
fprintf( outfile, "\t.type " PREFIX "CallTo16%s,@function\n", name );
|
|
fprintf( outfile, "\t.globl " PREFIX "CallTo16%s\n", name );
|
|
fprintf( outfile, PREFIX "CallTo16%s:\n", name );
|
|
|
|
/* Function entry sequence */
|
|
fprintf( outfile, "\tpushl %%ebp\n" );
|
|
fprintf( outfile, "\tmovl %%esp, %%ebp\n" );
|
|
|
|
/* Save the 32-bit registers */
|
|
fprintf( outfile, "\tpushl %%ebx\n" );
|
|
fprintf( outfile, "\tpushl %%ecx\n" );
|
|
fprintf( outfile, "\tpushl %%edx\n" );
|
|
fprintf( outfile, "\tpushl %%esi\n" );
|
|
fprintf( outfile, "\tpushl %%edi\n" );
|
|
|
|
if ( UsePIC )
|
|
{
|
|
/* Get Global Offset Table into %ebx */
|
|
fprintf( outfile, "\tcall .LCallTo16%s.getgot1\n", name );
|
|
fprintf( outfile, ".LCallTo16%s.getgot1:\n", name );
|
|
fprintf( outfile, "\tpopl %%ebx\n" );
|
|
fprintf( outfile, "\taddl $_GLOBAL_OFFSET_TABLE_+[.-.LCallTo16%s.getgot1], %%ebx\n", name );
|
|
}
|
|
|
|
/* Enter Win16 Mutex */
|
|
if ( UsePIC )
|
|
fprintf( outfile, "\tcall " PREFIX "SYSLEVEL_EnterWin16Lock@PLT\n" );
|
|
else
|
|
fprintf( outfile, "\tcall " PREFIX "SYSLEVEL_EnterWin16Lock\n" );
|
|
|
|
/* Print debugging info */
|
|
if (debugging)
|
|
{
|
|
/* Push flags, number of arguments, and target */
|
|
fprintf( outfile, "\tpushl $%d\n", reg_func );
|
|
fprintf( outfile, "\tpushl 12(%%ebp)\n" );
|
|
fprintf( outfile, "\tpushl 8(%%ebp)\n" );
|
|
|
|
if ( UsePIC )
|
|
fprintf( outfile, "\tcall " PREFIX "RELAY_DebugCallTo16@PLT\n" );
|
|
else
|
|
fprintf( outfile, "\tcall " PREFIX "RELAY_DebugCallTo16\n" );
|
|
|
|
fprintf( outfile, "\taddl $12, %%esp\n" );
|
|
}
|
|
|
|
/* Get return address */
|
|
if ( UsePIC )
|
|
{
|
|
fprintf( outfile, "\tmovl " PREFIX "CallTo16_RetAddr@GOT(%%ebx), %%ecx\n" );
|
|
fprintf( outfile, "\tmovl " PREFIX "(%%ecx), %%ecx\n" );
|
|
}
|
|
else
|
|
fprintf( outfile, "\tmovl " PREFIX "CallTo16_RetAddr, %%ecx\n" );
|
|
|
|
/* Call the actual CallTo16 routine (simulate a lcall) */
|
|
fprintf( outfile, "\tpushl %%cs\n" );
|
|
fprintf( outfile, "\tcall .LCallTo16%s\n", name );
|
|
|
|
/* Convert and push return value */
|
|
if ( short_ret )
|
|
{
|
|
fprintf( outfile, "\tmovzwl %%ax, %%eax\n" );
|
|
fprintf( outfile, "\tpushl %%eax\n" );
|
|
}
|
|
else if ( reg_func != 2 )
|
|
{
|
|
fprintf( outfile, "\tshll $16,%%edx\n" );
|
|
fprintf( outfile, "\tmovw %%ax,%%dx\n" );
|
|
fprintf( outfile, "\tpushl %%edx\n" );
|
|
}
|
|
else
|
|
fprintf( outfile, "\tpushl %%eax\n" );
|
|
|
|
if ( UsePIC )
|
|
{
|
|
/* Get Global Offset Table into %ebx (might have been overwritten) */
|
|
fprintf( outfile, "\tcall .LCallTo16%s.getgot2\n", name );
|
|
fprintf( outfile, ".LCallTo16%s.getgot2:\n", name );
|
|
fprintf( outfile, "\tpopl %%ebx\n" );
|
|
fprintf( outfile, "\taddl $_GLOBAL_OFFSET_TABLE_+[.-.LCallTo16%s.getgot2], %%ebx\n", name );
|
|
}
|
|
|
|
/* Print debugging info */
|
|
if (debugging)
|
|
{
|
|
if ( UsePIC )
|
|
fprintf( outfile, "\tcall " PREFIX "RELAY_DebugCallTo16Ret@PLT\n" );
|
|
else
|
|
fprintf( outfile, "\tcall " PREFIX "RELAY_DebugCallTo16Ret\n" );
|
|
}
|
|
|
|
/* Leave Win16 Mutex */
|
|
if ( UsePIC )
|
|
fprintf( outfile, "\tcall " PREFIX "SYSLEVEL_LeaveWin16Lock@PLT\n" );
|
|
else
|
|
fprintf( outfile, "\tcall " PREFIX "SYSLEVEL_LeaveWin16Lock\n" );
|
|
|
|
/* Get return value */
|
|
fprintf( outfile, "\tpopl %%eax\n" );
|
|
|
|
/* Restore the 32-bit registers */
|
|
fprintf( outfile, "\tpopl %%edi\n" );
|
|
fprintf( outfile, "\tpopl %%esi\n" );
|
|
fprintf( outfile, "\tpopl %%edx\n" );
|
|
fprintf( outfile, "\tpopl %%ecx\n" );
|
|
fprintf( outfile, "\tpopl %%ebx\n" );
|
|
|
|
/* Function exit sequence */
|
|
fprintf( outfile, "\tpopl %%ebp\n" );
|
|
fprintf( outfile, "\tret $8\n" );
|
|
|
|
|
|
/* Start of the actual CallTo16 routine */
|
|
|
|
fprintf( outfile, ".LCallTo16%s:\n", name );
|
|
|
|
/* Complete STACK32FRAME */
|
|
fprintf( outfile, "\t.byte 0x64\n\tpushl (%d)\n", STACKOFFSET );
|
|
fprintf( outfile, "\tmovl %%esp,%%edx\n" );
|
|
|
|
/* Switch to the 16-bit stack */
|
|
#ifdef __svr4__
|
|
fprintf( outfile,"\tdata16\n");
|
|
#endif
|
|
fprintf( outfile, "\t.byte 0x64\n\tmovw (%d),%%ss\n", STACKOFFSET + 2);
|
|
fprintf( outfile, "\t.byte 0x64\n\tmovw (%d),%%sp\n", STACKOFFSET );
|
|
fprintf( outfile, "\t.byte 0x64\n\tmovl %%edx,(%d)\n", STACKOFFSET );
|
|
|
|
/* Make %bp point to the previous stackframe (built by CallFrom16) */
|
|
fprintf( outfile, "\tmovzwl %%sp,%%ebp\n" );
|
|
fprintf( outfile, "\tleal %d(%%ebp),%%ebp\n", STACK16OFFSET(bp) );
|
|
|
|
/* Add the specified offset to the new sp */
|
|
fprintf( outfile, "\tsubw %d(%%edx), %%sp\n", STACK32OFFSET(nb_args) );
|
|
|
|
/* Push the return address
|
|
* With sreg suffix, we push 16:16 address (normal lret)
|
|
* With lreg suffix, we push 16:32 address (0x66 lret, for KERNEL32_45)
|
|
*/
|
|
if (reg_func != 2)
|
|
fprintf( outfile, "\tpushl %%ecx\n" );
|
|
else
|
|
{
|
|
fprintf( outfile, "\tshldl $16, %%ecx, %%eax\n" );
|
|
fprintf( outfile, "\tpushw $0\n" );
|
|
fprintf( outfile, "\tpushw %%ax\n" );
|
|
fprintf( outfile, "\tpushw $0\n" );
|
|
fprintf( outfile, "\tpushw %%cx\n" );
|
|
}
|
|
|
|
if (reg_func)
|
|
{
|
|
/* Push the called routine address */
|
|
fprintf( outfile, "\tmovl %d(%%edx),%%edx\n", STACK32OFFSET(target) );
|
|
fprintf( outfile, "\tpushw %d(%%edx)\n", CONTEXTOFFSET(SegCs) );
|
|
fprintf( outfile, "\tpushw %d(%%edx)\n", CONTEXTOFFSET(Eip) );
|
|
|
|
/* Get the registers */
|
|
fprintf( outfile, "\tpushw %d(%%edx)\n", CONTEXTOFFSET(SegDs) );
|
|
fprintf( outfile, "\tmovl %d(%%edx),%%eax\n", CONTEXTOFFSET(SegEs) );
|
|
fprintf( outfile, "\tmovw %%ax,%%es\n" );
|
|
fprintf( outfile, "\tmovl %d(%%edx),%%eax\n", CONTEXTOFFSET(SegFs) );
|
|
fprintf( outfile, "\tmovw %%ax,%%fs\n" );
|
|
fprintf( outfile, "\tmovl %d(%%edx),%%ebp\n", CONTEXTOFFSET(Ebp) );
|
|
fprintf( outfile, "\tmovl %d(%%edx),%%esi\n", CONTEXTOFFSET(Esi) );
|
|
fprintf( outfile, "\tmovl %d(%%edx),%%edi\n", CONTEXTOFFSET(Edi) );
|
|
fprintf( outfile, "\tmovl %d(%%edx),%%eax\n", CONTEXTOFFSET(Eax) );
|
|
fprintf( outfile, "\tmovl %d(%%edx),%%ebx\n", CONTEXTOFFSET(Ebx) );
|
|
fprintf( outfile, "\tmovl %d(%%edx),%%ecx\n", CONTEXTOFFSET(Ecx) );
|
|
fprintf( outfile, "\tmovl %d(%%edx),%%edx\n", CONTEXTOFFSET(Edx) );
|
|
|
|
/* Get the 16-bit ds */
|
|
fprintf( outfile, "\tpopw %%ds\n" );
|
|
}
|
|
else /* not a register function */
|
|
{
|
|
/* Push the called routine address */
|
|
fprintf( outfile, "\tpushl %d(%%edx)\n", STACK32OFFSET(target) );
|
|
|
|
/* Set %fs to the value saved by the last CallFrom16 */
|
|
fprintf( outfile, "\tmovw %d(%%ebp),%%ax\n", STACK16OFFSET(fs)-STACK16OFFSET(bp) );
|
|
fprintf( outfile, "\tmovw %%ax,%%fs\n" );
|
|
|
|
/* Set %ds and %es (and %ax just in case) equal to %ss */
|
|
fprintf( outfile, "\tmovw %%ss,%%ax\n" );
|
|
fprintf( outfile, "\tmovw %%ax,%%ds\n" );
|
|
fprintf( outfile, "\tmovw %%ax,%%es\n" );
|
|
}
|
|
|
|
/* Jump to the called routine */
|
|
fprintf( outfile, "\t.byte 0x66\n" );
|
|
fprintf( outfile, "\tlret\n" );
|
|
}
|
|
|
|
/*******************************************************************
|
|
* BuildRet16Func
|
|
*
|
|
* Build the return code for 16-bit callbacks
|
|
*/
|
|
static void BuildRet16Func( FILE *outfile )
|
|
{
|
|
/*
|
|
* Note: This must reside in the .data section to allow
|
|
* run-time relocation of the SYSLEVEL_Win16CurrentTeb symbol
|
|
*/
|
|
|
|
fprintf( outfile, "\n\t.type " PREFIX "CallTo16_Ret,@function\n" );
|
|
fprintf( outfile, "\t.globl " PREFIX "CallTo16_Ret\n" );
|
|
fprintf( outfile, PREFIX "CallTo16_Ret:\n" );
|
|
|
|
/* Restore 32-bit segment registers */
|
|
|
|
fprintf( outfile, "\tmovw $0x%04x,%%bx\n", Data_Selector );
|
|
#ifdef __svr4__
|
|
fprintf( outfile, "\tdata16\n");
|
|
#endif
|
|
fprintf( outfile, "\tmovw %%bx,%%ds\n" );
|
|
#ifdef __svr4__
|
|
fprintf( outfile, "\tdata16\n");
|
|
#endif
|
|
fprintf( outfile, "\tmovw %%bx,%%es\n" );
|
|
|
|
fprintf( outfile, "\tmovw " PREFIX "SYSLEVEL_Win16CurrentTeb,%%fs\n" );
|
|
|
|
/* Restore the 32-bit stack */
|
|
|
|
#ifdef __svr4__
|
|
fprintf( outfile, "\tdata16\n");
|
|
#endif
|
|
fprintf( outfile, "\tmovw %%bx,%%ss\n" );
|
|
fprintf( outfile, "\t.byte 0x64\n\tmovl (%d),%%esp\n", STACKOFFSET );
|
|
fprintf( outfile, "\t.byte 0x64\n\tpopl (%d)\n", STACKOFFSET );
|
|
|
|
/* Return to caller */
|
|
|
|
fprintf( outfile, "\tlret\n" );
|
|
|
|
/* Declare the return address variable */
|
|
|
|
fprintf( outfile, "\n\t.globl " PREFIX "CallTo16_RetAddr\n" );
|
|
fprintf( outfile, PREFIX "CallTo16_RetAddr:\t.long 0\n" );
|
|
}
|
|
|
|
/*******************************************************************
|
|
* BuildCallTo32CBClient
|
|
*
|
|
* Call a CBClient relay stub from 32-bit code (KERNEL.620).
|
|
*
|
|
* Since the relay stub is itself 32-bit, this should not be a problem;
|
|
* unfortunately, the relay stubs are expected to switch back to a
|
|
* 16-bit stack (and 16-bit code) after completion :-(
|
|
*
|
|
* This would conflict with our 16- vs. 32-bit stack handling, so
|
|
* we simply switch *back* to our 32-bit stack before returning to
|
|
* the caller ...
|
|
*
|
|
* The CBClient relay stub expects to be called with the following
|
|
* 16-bit stack layout, and with ebp and ebx pointing into the 16-bit
|
|
* stack at the designated places:
|
|
*
|
|
* ...
|
|
* (ebp+14) original arguments to the callback routine
|
|
* (ebp+10) far return address to original caller
|
|
* (ebp+6) Thunklet target address
|
|
* (ebp+2) Thunklet relay ID code
|
|
* (ebp) BP (saved by CBClientGlueSL)
|
|
* (ebp-2) SI (saved by CBClientGlueSL)
|
|
* (ebp-4) DI (saved by CBClientGlueSL)
|
|
* (ebp-6) DS (saved by CBClientGlueSL)
|
|
*
|
|
* ... buffer space used by the 16-bit side glue for temp copies
|
|
*
|
|
* (ebx+4) far return address to 16-bit side glue code
|
|
* (ebx) saved 16-bit ss:sp (pointing to ebx+4)
|
|
*
|
|
* The 32-bit side glue code accesses both the original arguments (via ebp)
|
|
* and the temporary copies prepared by the 16-bit side glue (via ebx).
|
|
* After completion, the stub will load ss:sp from the buffer at ebx
|
|
* and perform a far return to 16-bit code.
|
|
*
|
|
* To trick the relay stub into returning to us, we replace the 16-bit
|
|
* return address to the glue code by a cs:ip pair pointing to our
|
|
* return entry point (the original return address is saved first).
|
|
* Our return stub thus called will then reload the 32-bit ss:esp and
|
|
* return to 32-bit code (by using and ss:esp value that we have also
|
|
* pushed onto the 16-bit stack before and a cs:eip values found at
|
|
* that position on the 32-bit stack). The ss:esp to be restored is
|
|
* found relative to the 16-bit stack pointer at:
|
|
*
|
|
* (ebx-4) ss (flat)
|
|
* (ebx-8) sp (32-bit stack pointer)
|
|
*
|
|
* The second variant of this routine, CALL32_CBClientEx, which is used
|
|
* to implement KERNEL.621, has to cope with yet another problem: Here,
|
|
* the 32-bit side directly returns to the caller of the CBClient thunklet,
|
|
* restoring registers saved by CBClientGlueSL and cleaning up the stack.
|
|
* As we have to return to our 32-bit code first, we have to adapt the
|
|
* layout of our temporary area so as to include values for the registers
|
|
* that are to be restored, and later (in the implementation of KERNEL.621)
|
|
* we *really* restore them. The return stub restores DS, DI, SI, and BP
|
|
* from the stack, skips the next 8 bytes (CBClient relay code / target),
|
|
* and then performs a lret NN, where NN is the number of arguments to be
|
|
* removed. Thus, we prepare our temporary area as follows:
|
|
*
|
|
* (ebx+22) 16-bit cs (this segment)
|
|
* (ebx+20) 16-bit ip ('16-bit' return entry point)
|
|
* (ebx+16) 32-bit ss (flat)
|
|
* (ebx+12) 32-bit sp (32-bit stack pointer)
|
|
* (ebx+10) 16-bit bp (points to ebx+24)
|
|
* (ebx+8) 16-bit si (ignored)
|
|
* (ebx+6) 16-bit di (ignored)
|
|
* (ebx+4) 16-bit ds (we actually use the flat DS here)
|
|
* (ebx+2) 16-bit ss (16-bit stack segment)
|
|
* (ebx+0) 16-bit sp (points to ebx+4)
|
|
*
|
|
* Note that we ensure that DS is not changed and remains the flat segment,
|
|
* and the 32-bit stack pointer our own return stub needs fits just
|
|
* perfectly into the 8 bytes that are skipped by the Windows stub.
|
|
* One problem is that we have to determine the number of removed arguments,
|
|
* as these have to be really removed in KERNEL.621. Thus, the BP value
|
|
* that we place in the temporary area to be restored, contains the value
|
|
* that SP would have if no arguments were removed. By comparing the actual
|
|
* value of SP with this value in our return stub we can compute the number
|
|
* of removed arguments. This is then returned to KERNEL.621.
|
|
*
|
|
* The stack layout of this function:
|
|
* (ebp+20) nArgs pointer to variable receiving nr. of args (Ex only)
|
|
* (ebp+16) esi pointer to caller's esi value
|
|
* (ebp+12) arg ebp value to be set for relay stub
|
|
* (ebp+8) func CBClient relay stub address
|
|
* (ebp+4) ret addr
|
|
* (ebp) ebp
|
|
*/
|
|
static void BuildCallTo32CBClient( FILE *outfile, BOOL isEx )
|
|
{
|
|
char *name = isEx? "CBClientEx" : "CBClient";
|
|
int size = isEx? 24 : 12;
|
|
|
|
/* Function header */
|
|
|
|
fprintf( outfile, "\n\t.align 4\n" );
|
|
#ifdef USE_STABS
|
|
fprintf( outfile, ".stabs \"CALL32_%s:F1\",36,0,0," PREFIX "CALL32_%s\n",
|
|
name, name );
|
|
#endif
|
|
fprintf( outfile, "\t.globl " PREFIX "CALL32_%s\n", name );
|
|
fprintf( outfile, PREFIX "CALL32_%s:\n", name );
|
|
|
|
/* Entry code */
|
|
|
|
fprintf( outfile, "\tpushl %%ebp\n" );
|
|
fprintf( outfile, "\tmovl %%esp,%%ebp\n" );
|
|
fprintf( outfile, "\tpushl %%edi\n" );
|
|
fprintf( outfile, "\tpushl %%esi\n" );
|
|
fprintf( outfile, "\tpushl %%ebx\n" );
|
|
|
|
/* Get the 16-bit stack */
|
|
|
|
fprintf( outfile, "\t.byte 0x64\n\tmovl (%d),%%ebx\n", STACKOFFSET);
|
|
|
|
/* Convert it to a flat address */
|
|
|
|
fprintf( outfile, "\tshldl $16,%%ebx,%%eax\n" );
|
|
fprintf( outfile, "\tandl $0xfff8,%%eax\n" );
|
|
fprintf( outfile, "\tmovl " PREFIX "ldt_copy(%%eax),%%esi\n" );
|
|
fprintf( outfile, "\tmovw %%bx,%%ax\n" );
|
|
fprintf( outfile, "\taddl %%eax,%%esi\n" );
|
|
|
|
/* Allocate temporary area (simulate STACK16_PUSH) */
|
|
|
|
fprintf( outfile, "\tpushf\n" );
|
|
fprintf( outfile, "\tcld\n" );
|
|
fprintf( outfile, "\tleal -%d(%%esi), %%edi\n", size );
|
|
fprintf( outfile, "\tmovl $%d, %%ecx\n", sizeof(STACK16FRAME) );
|
|
fprintf( outfile, "\trep\n\tmovsb\n" );
|
|
fprintf( outfile, "\tpopf\n" );
|
|
|
|
fprintf( outfile, "\t.byte 0x64\n\tsubw $%d,(%d)\n", size, STACKOFFSET );
|
|
|
|
fprintf( outfile, "\tpushl %%edi\n" ); /* remember address */
|
|
|
|
/* Set up temporary area */
|
|
|
|
if ( !isEx )
|
|
{
|
|
fprintf( outfile, "\tleal 4(%%edi), %%edi\n" );
|
|
|
|
fprintf( outfile, "\tleal -8(%%esp), %%eax\n" );
|
|
fprintf( outfile, "\tmovl %%eax, -8(%%edi)\n" ); /* 32-bit sp */
|
|
|
|
fprintf( outfile, "\tmovw %%ss, %%ax\n" );
|
|
fprintf( outfile, "\tandl $0x0000ffff, %%eax\n" );
|
|
fprintf( outfile, "\tmovl %%eax, -4(%%edi)\n" ); /* 32-bit ss */
|
|
|
|
fprintf( outfile, "\taddl $%d, %%ebx\n", sizeof(STACK16FRAME)-size+4 + 4 );
|
|
fprintf( outfile, "\tmovl %%ebx, 0(%%edi)\n" ); /* 16-bit ss:sp */
|
|
|
|
fprintf( outfile, "\tmovl " PREFIX "CALL32_%s_RetAddr, %%eax\n", name );
|
|
fprintf( outfile, "\tmovl %%eax, 4(%%edi)\n" ); /* overwrite return address */
|
|
}
|
|
else
|
|
{
|
|
fprintf( outfile, "\taddl $%d, %%ebx\n", sizeof(STACK16FRAME)-size+4 );
|
|
fprintf( outfile, "\tmovl %%ebx, 0(%%edi)\n" );
|
|
|
|
fprintf( outfile, "\tmovw %%ds, %%ax\n" );
|
|
fprintf( outfile, "\tmovw %%ax, 4(%%edi)\n" );
|
|
|
|
fprintf( outfile, "\taddl $20, %%ebx\n" );
|
|
fprintf( outfile, "\tmovw %%bx, 10(%%edi)\n" );
|
|
|
|
fprintf( outfile, "\tleal -8(%%esp), %%eax\n" );
|
|
fprintf( outfile, "\tmovl %%eax, 12(%%edi)\n" );
|
|
|
|
fprintf( outfile, "\tmovw %%ss, %%ax\n" );
|
|
fprintf( outfile, "\tandl $0x0000ffff, %%eax\n" );
|
|
fprintf( outfile, "\tmovl %%eax, 16(%%edi)\n" );
|
|
|
|
fprintf( outfile, "\tmovl " PREFIX "CALL32_%s_RetAddr, %%eax\n", name );
|
|
fprintf( outfile, "\tmovl %%eax, 20(%%edi)\n" );
|
|
}
|
|
|
|
/* Set up registers and call CBClient relay stub (simulating a far call) */
|
|
|
|
fprintf( outfile, "\tmovl 16(%%ebp), %%esi\n" );
|
|
fprintf( outfile, "\tmovl (%%esi), %%esi\n" );
|
|
|
|
fprintf( outfile, "\tmovl %%edi, %%ebx\n" );
|
|
fprintf( outfile, "\tmovl 8(%%ebp), %%eax\n" );
|
|
fprintf( outfile, "\tmovl 12(%%ebp), %%ebp\n" );
|
|
|
|
fprintf( outfile, "\tpushl %%cs\n" );
|
|
fprintf( outfile, "\tcall *%%eax\n" );
|
|
|
|
/* Return new esi value to caller */
|
|
|
|
fprintf( outfile, "\tmovl 32(%%esp), %%edi\n" );
|
|
fprintf( outfile, "\tmovl %%esi, (%%edi)\n" );
|
|
|
|
/* Cleanup temporary area (simulate STACK16_POP) */
|
|
|
|
fprintf( outfile, "\tpop %%esi\n" );
|
|
|
|
fprintf( outfile, "\tpushf\n" );
|
|
fprintf( outfile, "\tstd\n" );
|
|
fprintf( outfile, "\tdec %%esi\n" );
|
|
fprintf( outfile, "\tleal %d(%%esi), %%edi\n", size );
|
|
fprintf( outfile, "\tmovl $%d, %%ecx\n", sizeof(STACK16FRAME) );
|
|
fprintf( outfile, "\trep\n\tmovsb\n" );
|
|
fprintf( outfile, "\tpopf\n" );
|
|
|
|
fprintf( outfile, "\t.byte 0x64\n\taddw $%d,(%d)\n", size, STACKOFFSET );
|
|
|
|
/* Return argument size to caller */
|
|
if ( isEx )
|
|
{
|
|
fprintf( outfile, "\tmovl 32(%%esp), %%ebx\n" );
|
|
fprintf( outfile, "\tmovl %%ebp, (%%ebx)\n" );
|
|
}
|
|
|
|
/* Restore registers and return */
|
|
|
|
fprintf( outfile, "\tpopl %%ebx\n" );
|
|
fprintf( outfile, "\tpopl %%esi\n" );
|
|
fprintf( outfile, "\tpopl %%edi\n" );
|
|
fprintf( outfile, "\tpopl %%ebp\n" );
|
|
fprintf( outfile, "\tret\n" );
|
|
}
|
|
|
|
static void BuildCallTo32CBClientRet( FILE *outfile, BOOL isEx )
|
|
{
|
|
char *name = isEx? "CBClientEx" : "CBClient";
|
|
|
|
/* '16-bit' return stub */
|
|
|
|
fprintf( outfile, "\n\t.globl " PREFIX "CALL32_%s_Ret\n", name );
|
|
fprintf( outfile, PREFIX "CALL32_%s_Ret:\n", name );
|
|
|
|
if ( !isEx )
|
|
{
|
|
fprintf( outfile, "\tmovzwl %%sp, %%ebx\n" );
|
|
fprintf( outfile, "\tlssl %%ss:-16(%%ebx), %%esp\n" );
|
|
}
|
|
else
|
|
{
|
|
fprintf( outfile, "\tmovzwl %%bp, %%ebx\n" );
|
|
fprintf( outfile, "\tsubw %%bp, %%sp\n" );
|
|
fprintf( outfile, "\tmovzwl %%sp, %%ebp\n" );
|
|
fprintf( outfile, "\tlssl %%ss:-12(%%ebx), %%esp\n" );
|
|
}
|
|
fprintf( outfile, "\tlret\n" );
|
|
|
|
/* Declare the return address variable */
|
|
|
|
fprintf( outfile, "\n\t.globl " PREFIX "CALL32_%s_RetAddr\n", name );
|
|
fprintf( outfile, PREFIX "CALL32_%s_RetAddr:\t.long 0\n", name );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* BuildCallTo32LargeStack
|
|
*
|
|
* 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 xxx( int (*func)(), void *arg );
|
|
*
|
|
* The pointer to the function can be retrieved by calling CALL32_Init,
|
|
* which also takes care of saving the current 32-bit stack pointer.
|
|
* Furthermore, CALL32_Init switches to a new stack and jumps to the
|
|
* specified target address.
|
|
*
|
|
* NOTE: The CALL32_LargeStack routine may be recursively entered by the
|
|
* same thread, but not concurrently entered by several threads.
|
|
*
|
|
* Stack layout of CALL32_Init:
|
|
*
|
|
* (esp+12) new stack address
|
|
* (esp+8) target address
|
|
* (esp+4) pointer to variable to receive CALL32_LargeStack address
|
|
* (esp) ret addr
|
|
*
|
|
* Stack layout of CALL32_LargeStack:
|
|
* ... ...
|
|
* (ebp+12) arg
|
|
* (ebp+8) func
|
|
* (ebp+4) ret addr
|
|
* (ebp) ebp
|
|
*/
|
|
static void BuildCallTo32LargeStack( FILE *outfile )
|
|
{
|
|
/* Initialization function */
|
|
|
|
fprintf( outfile, "\n\t.align 4\n" );
|
|
#ifdef USE_STABS
|
|
fprintf( outfile, ".stabs \"CALL32_Init:F1\",36,0,0," PREFIX "CALL32_Init\n");
|
|
#endif
|
|
fprintf( outfile, "\t.globl " PREFIX "CALL32_Init\n" );
|
|
fprintf( outfile, "\t.type " PREFIX "CALL32_Init,@function\n" );
|
|
fprintf( outfile, PREFIX "CALL32_Init:\n" );
|
|
fprintf( outfile, "\tmovl %%esp,CALL32_Original32_esp\n" );
|
|
fprintf( outfile, "\tpopl %%eax\n" );
|
|
fprintf( outfile, "\tpopl %%eax\n" );
|
|
fprintf( outfile, "\tmovl $CALL32_LargeStack,(%%eax)\n" );
|
|
fprintf( outfile, "\tpopl %%eax\n" );
|
|
fprintf( outfile, "\tpopl %%esp\n" );
|
|
fprintf( outfile, "\tpushl %%eax\n" );
|
|
fprintf( outfile, "\tret\n" );
|
|
|
|
/* Function header */
|
|
|
|
fprintf( outfile, "\n\t.align 4\n" );
|
|
#ifdef USE_STABS
|
|
fprintf( outfile, ".stabs \"CALL32_LargeStack:F1\",36,0,0,CALL32_LargeStack\n");
|
|
#endif
|
|
fprintf( outfile, "CALL32_LargeStack:\n" );
|
|
|
|
/* Entry code */
|
|
|
|
fprintf( outfile, "\tpushl %%ebp\n" );
|
|
fprintf( outfile, "\tmovl %%esp,%%ebp\n" );
|
|
|
|
/* Switch to the original 32-bit stack pointer */
|
|
|
|
fprintf( outfile, "\tcmpl $0, CALL32_RecursionCount\n" );
|
|
fprintf( outfile, "\tjne CALL32_skip\n" );
|
|
fprintf( outfile, "\tmovl CALL32_Original32_esp, %%esp\n" );
|
|
fprintf( outfile, "CALL32_skip:\n" );
|
|
|
|
fprintf( outfile, "\tincl CALL32_RecursionCount\n" );
|
|
|
|
/* Transfer the argument and call the function */
|
|
|
|
fprintf( outfile, "\tpushl 12(%%ebp)\n" );
|
|
fprintf( outfile, "\tcall *8(%%ebp)\n" );
|
|
|
|
/* Restore registers and return */
|
|
|
|
fprintf( outfile, "\tdecl CALL32_RecursionCount\n" );
|
|
|
|
fprintf( outfile, "\tmovl %%ebp,%%esp\n" );
|
|
fprintf( outfile, "\tpopl %%ebp\n" );
|
|
fprintf( outfile, "\tret\n" );
|
|
|
|
/* Data */
|
|
|
|
fprintf( outfile, "\t.data\n" );
|
|
fprintf( outfile, "CALL32_Original32_esp:\t.long 0\n" );
|
|
fprintf( outfile, "CALL32_RecursionCount:\t.long 0\n" );
|
|
fprintf( outfile, "\t.text\n" );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* BuildCallFrom32Regs
|
|
*
|
|
* Build a 32-bit-to-Wine call-back function for a 'register' function.
|
|
* 'args' is the number of dword arguments.
|
|
*
|
|
* Stack layout:
|
|
* ...
|
|
* (ebp+12) first arg
|
|
* (ebp+8) ret addr to user code
|
|
* (ebp+4) ret addr to relay code
|
|
* (ebp+0) saved ebp
|
|
* (ebp-128) buffer area to allow stack frame manipulation
|
|
* (ebp-332) CONTEXT86 struct
|
|
* (ebp-336) CONTEXT86 *argument
|
|
* .... other arguments copied from (ebp+12)
|
|
*
|
|
* The entry point routine is called with a CONTEXT* extra argument,
|
|
* following the normal args. In this context structure, EIP_reg
|
|
* contains the return address to user code, and ESP_reg the stack
|
|
* pointer on return (with the return address and arguments already
|
|
* removed).
|
|
*/
|
|
static void BuildCallFrom32Regs( FILE *outfile )
|
|
{
|
|
static const int STACK_SPACE = 128 + sizeof(CONTEXT86);
|
|
|
|
/* Function header */
|
|
|
|
fprintf( outfile, "\n\t.align 4\n" );
|
|
#ifdef USE_STABS
|
|
fprintf( outfile, ".stabs \"CALL32_Regs:F1\",36,0,0," PREFIX "CALL32_Regs\n" );
|
|
#endif
|
|
fprintf( outfile, "\t.globl " PREFIX "CALL32_Regs\n" );
|
|
fprintf( outfile, PREFIX "CALL32_Regs:\n" );
|
|
|
|
/* Allocate some buffer space on the stack */
|
|
|
|
fprintf( outfile, "\tpushl %%ebp\n" );
|
|
fprintf( outfile, "\tmovl %%esp,%%ebp\n ");
|
|
fprintf( outfile, "\tleal -%d(%%esp), %%esp\n", STACK_SPACE );
|
|
|
|
/* Build the context structure */
|
|
|
|
fprintf( outfile, "\tmovl %%eax,%d(%%ebp)\n", CONTEXTOFFSET(Eax) - STACK_SPACE );
|
|
fprintf( outfile, "\tpushfl\n" );
|
|
fprintf( outfile, "\tpopl %%eax\n" );
|
|
fprintf( outfile, "\tmovl %%eax,%d(%%ebp)\n", CONTEXTOFFSET(EFlags) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovl 0(%%ebp),%%eax\n" );
|
|
fprintf( outfile, "\tmovl %%eax,%d(%%ebp)\n", CONTEXTOFFSET(Ebp) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovl %%ebx,%d(%%ebp)\n", CONTEXTOFFSET(Ebx) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovl %%ecx,%d(%%ebp)\n", CONTEXTOFFSET(Ecx) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovl %%edx,%d(%%ebp)\n", CONTEXTOFFSET(Edx) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovl %%esi,%d(%%ebp)\n", CONTEXTOFFSET(Esi) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovl %%edi,%d(%%ebp)\n", CONTEXTOFFSET(Edi) - STACK_SPACE );
|
|
|
|
fprintf( outfile, "\txorl %%eax,%%eax\n" );
|
|
fprintf( outfile, "\tmovw %%cs,%%ax\n" );
|
|
fprintf( outfile, "\tmovl %%eax,%d(%%ebp)\n", CONTEXTOFFSET(SegCs) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovw %%es,%%ax\n" );
|
|
fprintf( outfile, "\tmovl %%eax,%d(%%ebp)\n", CONTEXTOFFSET(SegEs) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovw %%fs,%%ax\n" );
|
|
fprintf( outfile, "\tmovl %%eax,%d(%%ebp)\n", CONTEXTOFFSET(SegFs) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovw %%gs,%%ax\n" );
|
|
fprintf( outfile, "\tmovl %%eax,%d(%%ebp)\n", CONTEXTOFFSET(SegGs) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovw %%ss,%%ax\n" );
|
|
fprintf( outfile, "\tmovl %%eax,%d(%%ebp)\n", CONTEXTOFFSET(SegSs) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovw %%ds,%%ax\n" );
|
|
fprintf( outfile, "\tmovl %%eax,%d(%%ebp)\n", CONTEXTOFFSET(SegDs) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovw %%ax,%%es\n" ); /* set %es equal to %ds just in case */
|
|
|
|
fprintf( outfile, "\tmovl $0x%x,%%eax\n", CONTEXT86_FULL );
|
|
fprintf( outfile, "\tmovl %%eax,%d(%%ebp)\n", CONTEXTOFFSET(ContextFlags) - STACK_SPACE );
|
|
|
|
fprintf( outfile, "\tmovl 8(%%ebp),%%eax\n" ); /* Get %eip at time of call */
|
|
fprintf( outfile, "\tmovl %%eax,%d(%%ebp)\n", CONTEXTOFFSET(Eip) - STACK_SPACE );
|
|
|
|
/* Transfer the arguments */
|
|
|
|
fprintf( outfile, "\tmovl 4(%%ebp),%%ebx\n" ); /* get relay code addr */
|
|
fprintf( outfile, "\tpushl %%esp\n" ); /* push ptr to context struct */
|
|
fprintf( outfile, "\tmovzbl 4(%%ebx),%%ecx\n" ); /* fetch number of args to copy */
|
|
fprintf( outfile, "\tjecxz 1f\n" );
|
|
fprintf( outfile, "\tsubl %%ecx,%%esp\n" );
|
|
fprintf( outfile, "\tleal 12(%%ebp),%%esi\n" ); /* get %esp at time of call */
|
|
fprintf( outfile, "\tmovl %%esp,%%edi\n" );
|
|
fprintf( outfile, "\tshrl $2,%%ecx\n" );
|
|
fprintf( outfile, "\tcld\n" );
|
|
fprintf( outfile, "\trep\n\tmovsl\n" ); /* copy args */
|
|
|
|
fprintf( outfile, "1:\tmovzbl 5(%%ebx),%%eax\n" ); /* fetch number of args to remove */
|
|
fprintf( outfile, "\tleal 12(%%ebp,%%eax),%%eax\n" );
|
|
fprintf( outfile, "\tmovl %%eax,%d(%%ebp)\n", CONTEXTOFFSET(Esp) - STACK_SPACE );
|
|
|
|
/* Call the entry point */
|
|
|
|
fprintf( outfile, "\tcall *0(%%ebx)\n" );
|
|
|
|
/* Store %eip and %ebp onto the new stack */
|
|
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%edx\n", CONTEXTOFFSET(Esp) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%eax\n", CONTEXTOFFSET(Eip) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovl %%eax,-4(%%edx)\n" );
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%eax\n", CONTEXTOFFSET(Ebp) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovl %%eax,-8(%%edx)\n" );
|
|
|
|
/* Restore the context structure */
|
|
|
|
/* Note: we don't bother to restore %cs, %ds and %ss
|
|
* changing them in 32-bit code is a recipe for disaster anyway
|
|
*/
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%eax\n", CONTEXTOFFSET(SegEs) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovw %%ax,%%es\n" );
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%eax\n", CONTEXTOFFSET(SegFs) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovw %%ax,%%fs\n" );
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%eax\n", CONTEXTOFFSET(SegGs) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovw %%ax,%%gs\n" );
|
|
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%edi\n", CONTEXTOFFSET(Edi) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%esi\n", CONTEXTOFFSET(Esi) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%edx\n", CONTEXTOFFSET(Edx) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%ecx\n", CONTEXTOFFSET(Ecx) - STACK_SPACE );
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%ebx\n", CONTEXTOFFSET(Ebx) - STACK_SPACE );
|
|
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%eax\n", CONTEXTOFFSET(EFlags) - STACK_SPACE );
|
|
fprintf( outfile, "\tpushl %%eax\n" );
|
|
fprintf( outfile, "\tpopfl\n" );
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%eax\n", CONTEXTOFFSET(Eax) - STACK_SPACE );
|
|
|
|
fprintf( outfile, "\tmovl %d(%%ebp),%%ebp\n", CONTEXTOFFSET(Esp) - STACK_SPACE );
|
|
fprintf( outfile, "\tleal -8(%%ebp),%%esp\n" );
|
|
fprintf( outfile, "\tpopl %%ebp\n" );
|
|
fprintf( outfile, "\tret\n" );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* BuildGlue
|
|
*
|
|
* Build the 16-bit-to-Wine/Wine-to-16-bit callback glue code
|
|
*/
|
|
static void BuildGlue( FILE *outfile, FILE *infile )
|
|
{
|
|
char buffer[1024];
|
|
|
|
/* File header */
|
|
|
|
fprintf( outfile, "/* File generated automatically from %s; do not edit! */\n\n",
|
|
input_file_name );
|
|
fprintf( outfile, "#include \"builtin16.h\"\n" );
|
|
fprintf( outfile, "#include \"stackframe.h\"\n\n" );
|
|
|
|
/* Build the callback glue functions */
|
|
|
|
while (fgets( buffer, sizeof(buffer), infile ))
|
|
{
|
|
if (strstr( buffer, "### start build ###" )) break;
|
|
}
|
|
while (fgets( buffer, sizeof(buffer), infile ))
|
|
{
|
|
char *p;
|
|
if ( (p = strstr( buffer, "CallFrom16_" )) != NULL )
|
|
{
|
|
char *q, *profile = p + strlen( "CallFrom16_" );
|
|
for (q = profile; (*q == '_') || isalpha(*q); q++ )
|
|
;
|
|
*q = '\0';
|
|
for (q = p-1; q > buffer && ((*q == '_') || isalnum(*q)); q-- )
|
|
;
|
|
if ( ++q < p ) p[-1] = '\0'; else q = "";
|
|
BuildCallFrom16Func( outfile, profile, q, FALSE );
|
|
}
|
|
if ( (p = strstr( buffer, "CallTo16_" )) != NULL )
|
|
{
|
|
char *q, *profile = p + strlen( "CallTo16_" );
|
|
for (q = profile; (*q == '_') || isalpha(*q); q++ )
|
|
;
|
|
*q = '\0';
|
|
for (q = p-1; q > buffer && ((*q == '_') || isalnum(*q)); q-- )
|
|
;
|
|
if ( ++q < p ) p[-1] = '\0'; else q = "";
|
|
BuildCallTo16Func( outfile, profile, q );
|
|
}
|
|
if (strstr( buffer, "### stop build ###" )) break;
|
|
}
|
|
|
|
fclose( infile );
|
|
}
|
|
|
|
/*******************************************************************
|
|
* BuildCall16
|
|
*
|
|
* Build the 16-bit callbacks
|
|
*/
|
|
static void BuildCall16( FILE *outfile )
|
|
{
|
|
/* File header */
|
|
|
|
fprintf( outfile, "/* File generated automatically. Do not edit! */\n\n" );
|
|
fprintf( outfile, "\t.text\n" );
|
|
|
|
#ifdef __i386__
|
|
|
|
#ifdef USE_STABS
|
|
if (output_file_name)
|
|
{
|
|
char buffer[1024];
|
|
getcwd(buffer, sizeof(buffer));
|
|
fprintf( outfile, "\t.file\t\"%s\"\n", output_file_name );
|
|
|
|
/*
|
|
* The stabs help the internal debugger as they are an indication that it
|
|
* is sensible to step into a thunk/trampoline.
|
|
*/
|
|
fprintf( outfile, ".stabs \"%s/\",100,0,0,Code_Start\n", buffer);
|
|
fprintf( outfile, ".stabs \"%s\",100,0,0,Code_Start\n", output_file_name );
|
|
fprintf( outfile, "Code_Start:\n\n" );
|
|
}
|
|
#endif
|
|
fprintf( outfile, PREFIX"Call16_Start:\n" );
|
|
fprintf( outfile, "\t.globl "PREFIX"Call16_Start\n" );
|
|
fprintf( outfile, "\t.byte 0\n\n" );
|
|
|
|
|
|
/* Standard CallFrom16 routine (WORD return) */
|
|
BuildCallFrom16Core( outfile, FALSE, FALSE, TRUE );
|
|
|
|
/* Standard CallFrom16 routine (DWORD return) */
|
|
BuildCallFrom16Core( outfile, FALSE, FALSE, FALSE );
|
|
|
|
/* Register CallFrom16 routine */
|
|
BuildCallFrom16Core( outfile, TRUE, FALSE, FALSE );
|
|
|
|
/* C16ThkSL CallFrom16 routine */
|
|
BuildCallFrom16Core( outfile, FALSE, TRUE, FALSE );
|
|
|
|
/* Standard CallTo16 routine (WORD return) */
|
|
BuildCallTo16Core( outfile, TRUE, FALSE );
|
|
|
|
/* Standard CallTo16 routine (DWORD return) */
|
|
BuildCallTo16Core( outfile, FALSE, FALSE );
|
|
|
|
/* Register CallTo16 routine (16:16 retf) */
|
|
BuildCallTo16Core( outfile, FALSE, 1 );
|
|
|
|
/* Register CallTo16 routine (16:32 retf) */
|
|
BuildCallTo16Core( outfile, FALSE, 2 );
|
|
|
|
/* CBClientThunkSL routine */
|
|
BuildCallTo32CBClient( outfile, FALSE );
|
|
|
|
/* CBClientThunkSLEx routine */
|
|
BuildCallTo32CBClient( outfile, TRUE );
|
|
|
|
fprintf( outfile, PREFIX"Call16_End:\n" );
|
|
fprintf( outfile, "\t.globl "PREFIX"Call16_End\n" );
|
|
|
|
#ifdef USE_STABS
|
|
fprintf( outfile, "\t.stabs \"\",100,0,0,.Letext\n");
|
|
fprintf( outfile, ".Letext:\n");
|
|
#endif
|
|
|
|
/* The whole Call16_Ret segment must lie within the .data section */
|
|
fprintf( outfile, "\n\t.data\n" );
|
|
fprintf( outfile, "\t.globl " PREFIX "Call16_Ret_Start\n" );
|
|
fprintf( outfile, PREFIX "Call16_Ret_Start:\n" );
|
|
|
|
/* Standard CallTo16 return stub */
|
|
BuildRet16Func( outfile );
|
|
|
|
/* CBClientThunkSL return stub */
|
|
BuildCallTo32CBClientRet( outfile, FALSE );
|
|
|
|
/* CBClientThunkSLEx return stub */
|
|
BuildCallTo32CBClientRet( outfile, TRUE );
|
|
|
|
/* End of Call16_Ret segment */
|
|
fprintf( outfile, "\n\t.globl " PREFIX "Call16_Ret_End\n" );
|
|
fprintf( outfile, PREFIX "Call16_Ret_End:\n" );
|
|
|
|
#else /* __i386__ */
|
|
|
|
fprintf( outfile, PREFIX"Call16_Start:\n" );
|
|
fprintf( outfile, "\t.globl "PREFIX"Call16_Start\n" );
|
|
fprintf( outfile, "\t.byte 0\n\n" );
|
|
fprintf( outfile, PREFIX"Call16_End:\n" );
|
|
fprintf( outfile, "\t.globl "PREFIX"Call16_End\n" );
|
|
|
|
fprintf( outfile, "\t.globl " PREFIX "Call16_Ret_Start\n" );
|
|
fprintf( outfile, PREFIX "Call16_Ret_Start:\n" );
|
|
fprintf( outfile, "\t.byte 0\n\n" );
|
|
fprintf( outfile, "\n\t.globl " PREFIX "Call16_Ret_End\n" );
|
|
fprintf( outfile, PREFIX "Call16_Ret_End:\n" );
|
|
|
|
#endif /* __i386__ */
|
|
}
|
|
|
|
/*******************************************************************
|
|
* BuildCall32
|
|
*
|
|
* Build the 32-bit callbacks
|
|
*/
|
|
static void BuildCall32( FILE *outfile )
|
|
{
|
|
/* File header */
|
|
|
|
fprintf( outfile, "/* File generated automatically. Do not edit! */\n\n" );
|
|
fprintf( outfile, "\t.text\n" );
|
|
|
|
#ifdef __i386__
|
|
|
|
#ifdef USE_STABS
|
|
if (output_file_name)
|
|
{
|
|
char buffer[1024];
|
|
getcwd(buffer, sizeof(buffer));
|
|
fprintf( outfile, "\t.file\t\"%s\"\n", output_file_name );
|
|
|
|
/*
|
|
* The stabs help the internal debugger as they are an indication that it
|
|
* is sensible to step into a thunk/trampoline.
|
|
*/
|
|
fprintf( outfile, ".stabs \"%s/\",100,0,0,Code_Start\n", buffer);
|
|
fprintf( outfile, ".stabs \"%s\",100,0,0,Code_Start\n", output_file_name );
|
|
fprintf( outfile, "Code_Start:\n" );
|
|
}
|
|
#endif
|
|
|
|
/* Build the 32-bit large stack callback */
|
|
|
|
BuildCallTo32LargeStack( outfile );
|
|
|
|
/* Build the register callback function */
|
|
|
|
BuildCallFrom32Regs( outfile );
|
|
|
|
#ifdef USE_STABS
|
|
fprintf( outfile, "\t.text\n");
|
|
fprintf( outfile, "\t.stabs \"\",100,0,0,.Letext\n");
|
|
fprintf( outfile, ".Letext:\n");
|
|
#endif
|
|
|
|
#else /* __i386__ */
|
|
|
|
/* Just to avoid an empty file */
|
|
fprintf( outfile, "\t.long 0\n" );
|
|
|
|
#endif /* __i386__ */
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* usage
|
|
*/
|
|
static void usage(void)
|
|
{
|
|
fprintf( stderr,
|
|
"usage: build [-pic] [-o outfile] -spec SPEC_FILE\n"
|
|
" build [-pic] [-o outfile] -glue SOURCE_FILE\n"
|
|
" build [-pic] [-o outfile] -call16\n"
|
|
" build [-pic] [-o outfile] -call32\n" );
|
|
if (output_file_name) unlink( output_file_name );
|
|
exit(1);
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* open_input
|
|
*/
|
|
static FILE *open_input( const char *name )
|
|
{
|
|
FILE *f;
|
|
|
|
if (!name)
|
|
{
|
|
input_file_name = "<stdin>";
|
|
return stdin;
|
|
}
|
|
input_file_name = name;
|
|
if (!(f = fopen( name, "r" )))
|
|
{
|
|
fprintf( stderr, "Cannot open input file '%s'\n", name );
|
|
if (output_file_name) unlink( output_file_name );
|
|
exit(1);
|
|
}
|
|
return f;
|
|
}
|
|
|
|
/*******************************************************************
|
|
* main
|
|
*/
|
|
int main(int argc, char **argv)
|
|
{
|
|
FILE *outfile = stdout;
|
|
|
|
if (argc < 2) usage();
|
|
|
|
if (!strcmp( argv[1], "-pic" ))
|
|
{
|
|
UsePIC = 1;
|
|
argv += 1;
|
|
argc -= 1;
|
|
if (argc < 2) usage();
|
|
}
|
|
|
|
if (!strcmp( argv[1], "-o" ))
|
|
{
|
|
output_file_name = argv[2];
|
|
argv += 2;
|
|
argc -= 2;
|
|
if (argc < 2) usage();
|
|
if (!(outfile = fopen( output_file_name, "w" )))
|
|
{
|
|
fprintf( stderr, "Unable to create output file '%s'\n", output_file_name );
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/* Retrieve the selector values; this assumes that we are building
|
|
* the asm files on the platform that will also run them. Probably
|
|
* a safe assumption to make.
|
|
*/
|
|
Code_Selector = __get_cs();
|
|
Data_Selector = __get_ds();
|
|
|
|
if (!strcmp( argv[1], "-spec" )) BuildSpecFile( outfile, open_input( argv[2] ) );
|
|
else if (!strcmp( argv[1], "-glue" )) BuildGlue( outfile, open_input( argv[2] ) );
|
|
else if (!strcmp( argv[1], "-call16" )) BuildCall16( outfile );
|
|
else if (!strcmp( argv[1], "-call32" )) BuildCall32( outfile );
|
|
else
|
|
{
|
|
fclose( outfile );
|
|
usage();
|
|
}
|
|
|
|
fclose( outfile );
|
|
return 0;
|
|
}
|