963 lines
34 KiB
C
963 lines
34 KiB
C
/*
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* 16-bit spec files
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*
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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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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <assert.h>
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#include <ctype.h>
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#include "build.h"
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#define NE_FFLAGS_SINGLEDATA 0x0001
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#define NE_FFLAGS_LIBMODULE 0x8000
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/* argument type flags for relay debugging */
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enum arg_types
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{
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ARG16_NONE = 0, /* indicates end of arg list */
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ARG16_WORD, /* unsigned word */
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ARG16_SWORD, /* signed word */
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ARG16_LONG, /* long or segmented pointer */
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ARG16_PTR, /* linear pointer */
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ARG16_STR, /* linear pointer to null-terminated string */
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ARG16_SEGSTR, /* segmented pointer to null-terminated string */
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ARG16_VARARG /* start of varargs */
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};
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/* sequences of nops to fill a certain number of words */
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static const char * const nop_sequence[4] =
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{
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".byte 0x89,0xf6", /* mov %esi,%esi */
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".byte 0x8d,0x74,0x26,0x00", /* lea 0x00(%esi),%esi */
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".byte 0x8d,0xb6,0x00,0x00,0x00,0x00", /* lea 0x00000000(%esi),%esi */
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".byte 0x8d,0x74,0x26,0x00,0x8d,0x74,0x26,0x00" /* lea 0x00(%esi),%esi; lea 0x00(%esi),%esi */
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};
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static const char fakedll_signature[] = "Wine placeholder DLL";
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static inline int is_function( const ORDDEF *odp )
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{
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if (odp->flags & FLAG_EXPORT32) return 0;
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return (odp->type == TYPE_CDECL ||
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odp->type == TYPE_PASCAL ||
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odp->type == TYPE_VARARGS ||
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odp->type == TYPE_STUB);
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}
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static const char *get_args_str( const ORDDEF *odp )
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{
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static char buffer[MAX_ARGUMENTS*2+1];
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int i;
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buffer[0] = 0;
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for (i = 0; i < odp->u.func.nb_args; i++)
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{
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switch (odp->u.func.args[i])
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{
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case ARG_WORD: strcat( buffer, "w" ); break;
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case ARG_SWORD: strcat( buffer, "s" ); break;
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case ARG_SEGSTR: strcat( buffer, "T" ); break;
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case ARG_STR: strcat( buffer, "t" ); break;
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case ARG_LONG:
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case ARG_FLOAT:
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case ARG_SEGPTR: strcat( buffer, "l" ); break;
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case ARG_PTR:
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case ARG_WSTR:
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case ARG_INT128: strcat( buffer, "p" ); break;
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case ARG_INT64:
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case ARG_DOUBLE: strcat( buffer, "ll" ); break;
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}
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}
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return buffer;
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}
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/*******************************************************************
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* output_entries
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*
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* Output entries for individual symbols in the entry table.
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*/
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static void output_entries( DLLSPEC *spec, int first, int count )
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{
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int i;
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for (i = 0; i < count; i++)
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{
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ORDDEF *odp = spec->ordinals[first + i];
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output( "\t.byte 0x03\n" ); /* flags: exported & public data */
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switch (odp->type)
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{
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case TYPE_CDECL:
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case TYPE_PASCAL:
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case TYPE_VARARGS:
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case TYPE_STUB:
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output( "\t.short .L__wine_%s_%u-.L__wine_spec_code_segment\n", spec->c_name, first + i );
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break;
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case TYPE_VARIABLE:
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output( "\t.short .L__wine_%s_%u-.L__wine_spec_data_segment\n", spec->c_name, first + i );
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break;
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case TYPE_ABS:
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output( "\t.short 0x%04x /* %s */\n",
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odp->u.abs.value, odp->name );
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break;
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default:
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assert(0);
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}
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}
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}
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/*******************************************************************
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* output_entry_table
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*/
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static void output_entry_table( DLLSPEC *spec )
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{
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int i, prev = 0, prev_sel = -1, bundle_count = 0;
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for (i = 1; i <= spec->limit; i++)
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{
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int selector = 0;
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ORDDEF *odp = spec->ordinals[i];
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if (!odp) continue;
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if (odp->flags & FLAG_EXPORT32) continue;
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switch (odp->type)
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{
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case TYPE_CDECL:
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case TYPE_PASCAL:
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case TYPE_VARARGS:
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case TYPE_STUB:
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selector = 1; /* Code selector */
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break;
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case TYPE_VARIABLE:
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selector = 2; /* Data selector */
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break;
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case TYPE_ABS:
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selector = 0xfe; /* Constant selector */
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break;
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default:
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continue;
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}
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if (prev + 1 != i || prev_sel != selector || bundle_count == 255)
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{
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/* need to start a new bundle */
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/* flush previous bundle */
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if (bundle_count)
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{
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output( "\t/* %s.%d - %s.%d */\n",
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spec->dll_name, prev - bundle_count + 1, spec->dll_name, prev );
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output( "\t.byte 0x%02x,0x%02x\n", bundle_count, prev_sel );
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output_entries( spec, prev - bundle_count + 1, bundle_count );
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}
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if (prev + 1 != i)
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{
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int skip = i - (prev + 1);
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while (skip > 255)
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{
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output( "\t.byte 0xff,0x00\n" );
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skip -= 255;
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}
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output( "\t.byte 0x%02x,0x00\n", skip );
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}
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bundle_count = 0;
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prev_sel = selector;
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}
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bundle_count++;
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prev = i;
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}
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/* flush last bundle */
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if (bundle_count)
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{
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output( "\t.byte 0x%02x,0x%02x\n", bundle_count, prev_sel );
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output_entries( spec, prev - bundle_count + 1, bundle_count );
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}
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output( "\t.byte 0x00\n" );
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}
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/*******************************************************************
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* output_resident_name
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*/
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static void output_resident_name( const char *string, int ordinal )
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{
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unsigned int i, len = strlen(string);
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output( "\t.byte 0x%02x", len );
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for (i = 0; i < len; i++) output( ",0x%02x", (unsigned char)toupper(string[i]) );
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output( " /* %s */\n", string );
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output( "\t.short %u\n", ordinal );
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}
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/*******************************************************************
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* get_callfrom16_name
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*/
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static const char *get_callfrom16_name( const ORDDEF *odp )
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{
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static char *buffer;
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free( buffer );
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buffer = strmake( "%s_%s_%s",
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(odp->type == TYPE_PASCAL) ? "p" :
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(odp->type == TYPE_VARARGS) ? "v" : "c",
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(odp->flags & FLAG_REGISTER) ? "regs" :
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(odp->flags & FLAG_RET16) ? "word" : "long",
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get_args_str(odp) );
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return buffer;
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}
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/*******************************************************************
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* get_relay_name
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*/
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static const char *get_relay_name( const ORDDEF *odp )
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{
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static char buffer[80];
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char *p;
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switch(odp->type)
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{
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case TYPE_PASCAL:
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strcpy( buffer, "p_" );
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break;
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case TYPE_VARARGS:
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strcpy( buffer, "v_" );
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break;
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case TYPE_CDECL:
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case TYPE_STUB:
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strcpy( buffer, "c_" );
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break;
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default:
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assert(0);
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}
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strcat( buffer, get_args_str(odp) );
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for (p = buffer + 2; *p; p++)
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{
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/* map string types to the corresponding plain pointer type */
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if (*p == 't') *p = 'p';
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else if (*p == 'T') *p = 'l';
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}
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if (odp->flags & FLAG_REGISTER) strcat( buffer, "_regs" );
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return buffer;
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}
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/*******************************************************************
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* get_function_argsize
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*/
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static int get_function_argsize( const ORDDEF *odp )
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{
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int i, argsize = 0;
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for (i = 0; i < odp->u.func.nb_args; i++)
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{
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switch (odp->u.func.args[i])
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{
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case ARG_WORD:
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case ARG_SWORD:
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argsize += 2;
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break;
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case ARG_SEGPTR:
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case ARG_SEGSTR:
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case ARG_LONG:
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case ARG_PTR:
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case ARG_STR:
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case ARG_WSTR:
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case ARG_FLOAT:
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case ARG_INT128:
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argsize += 4;
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break;
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case ARG_INT64:
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case ARG_DOUBLE:
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argsize += 8;
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break;
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}
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}
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return argsize;
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}
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/*******************************************************************
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* output_call16_function
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*
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* Build a 16-bit-to-Wine callback glue function.
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*
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* The generated routines are intended to be used as argument conversion
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* routines to be called by the CallFrom16... core. Thus, the prototypes of
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* the generated routines are (see also CallFrom16):
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*
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* extern WORD WINAPI __wine_spec_call16_C_xxx( FARPROC func, LPBYTE args );
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* extern LONG WINAPI __wine_spec_call16_C_xxx( FARPROC func, LPBYTE args );
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* extern void WINAPI __wine_spec_call16_C_xxx_regs( FARPROC func, LPBYTE args, CONTEXT86 *context );
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*
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* where 'C' is the calling convention ('p' for pascal or 'c' for cdecl),
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* and each 'x' is an argument ('w'=word, 's'=signed word, 'l'=long,
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* 'p'=linear pointer, 't'=linear pointer to null-terminated string,
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* 'T'=segmented pointer to null-terminated string).
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*
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* The generated routines fetch the arguments from the 16-bit stack (pointed
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* to by 'args'); the offsets of the single argument values are computed
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* according to the calling convention and the argument types. Then, the
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* 32-bit entry point is called with these arguments.
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*
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* For register functions, the arguments (if present) are converted just
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* the same as for normal functions, but in addition the CONTEXT86 pointer
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* filled with the current register values is passed to the 32-bit routine.
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*/
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static void output_call16_function( ORDDEF *odp )
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{
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char *name;
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int i, pos, stack_words;
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int argsize = get_function_argsize( odp );
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int needs_ldt = (strpbrk( get_args_str( odp ), "pt" ) != NULL);
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name = strmake( ".L__wine_spec_call16_%s", get_relay_name(odp) );
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output( "\t.align %d\n", get_alignment(4) );
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output( "\t%s\n", func_declaration(name) );
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output( "%s:\n", name );
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output_cfi( ".cfi_startproc" );
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output( "\tpushl %%ebp\n" );
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output_cfi( ".cfi_adjust_cfa_offset 4" );
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output_cfi( ".cfi_rel_offset %%ebp,0" );
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output( "\tmovl %%esp,%%ebp\n" );
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output_cfi( ".cfi_def_cfa_register %%ebp" );
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stack_words = 2;
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if (needs_ldt)
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{
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output( "\tpushl %%esi\n" );
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output_cfi( ".cfi_rel_offset %%esi,-4" );
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stack_words++;
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if (UsePIC)
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{
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output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
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output( "1:\tmovl .Lwine_ldt_copy_ptr-1b(%%eax),%%esi\n" );
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needs_get_pc_thunk = 1;
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}
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else
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output( "\tmovl .Lwine_ldt_copy_ptr,%%esi\n" );
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}
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/* preserve 16-byte stack alignment */
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stack_words += odp->u.func.nb_args;
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for (i = 0; i < odp->u.func.nb_args; i++)
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if (odp->u.func.args[i] == ARG_DOUBLE || odp->u.func.args[i] == ARG_INT64) stack_words++;
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if ((odp->flags & FLAG_REGISTER) || (odp->type == TYPE_VARARGS)) stack_words++;
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if (stack_words % 4) output( "\tsubl $%d,%%esp\n", 16 - 4 * (stack_words % 4) );
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if (odp->u.func.nb_args || odp->type == TYPE_VARARGS)
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output( "\tmovl 12(%%ebp),%%ecx\n" ); /* args */
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if (odp->flags & FLAG_REGISTER)
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{
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output( "\tpushl 16(%%ebp)\n" ); /* context */
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}
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else if (odp->type == TYPE_VARARGS)
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{
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output( "\tleal %d(%%ecx),%%eax\n", argsize );
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output( "\tpushl %%eax\n" ); /* va_list16 */
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}
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pos = (odp->type == TYPE_PASCAL) ? 0 : argsize;
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for (i = odp->u.func.nb_args - 1; i >= 0; i--)
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{
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switch (odp->u.func.args[i])
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{
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case ARG_WORD:
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if (odp->type != TYPE_PASCAL) pos -= 2;
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output( "\tmovzwl %d(%%ecx),%%eax\n", pos );
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output( "\tpushl %%eax\n" );
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if (odp->type == TYPE_PASCAL) pos += 2;
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break;
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case ARG_SWORD:
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if (odp->type != TYPE_PASCAL) pos -= 2;
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output( "\tmovswl %d(%%ecx),%%eax\n", pos );
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output( "\tpushl %%eax\n" );
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if (odp->type == TYPE_PASCAL) pos += 2;
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break;
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case ARG_INT64:
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case ARG_DOUBLE:
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if (odp->type != TYPE_PASCAL) pos -= 4;
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output( "\tpushl %d(%%ecx)\n", pos );
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if (odp->type == TYPE_PASCAL) pos += 4;
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/* fall through */
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case ARG_LONG:
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case ARG_FLOAT:
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case ARG_SEGPTR:
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case ARG_SEGSTR:
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if (odp->type != TYPE_PASCAL) pos -= 4;
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output( "\tpushl %d(%%ecx)\n", pos );
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if (odp->type == TYPE_PASCAL) pos += 4;
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break;
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case ARG_PTR:
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case ARG_STR:
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case ARG_WSTR:
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case ARG_INT128:
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if (odp->type != TYPE_PASCAL) pos -= 4;
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output( "\tmovzwl %d(%%ecx),%%edx\n", pos + 2 ); /* sel */
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output( "\tshr $3,%%edx\n" );
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output( "\tmovzwl %d(%%ecx),%%eax\n", pos ); /* offset */
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output( "\taddl (%%esi,%%edx,4),%%eax\n" );
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output( "\tpushl %%eax\n" );
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if (odp->type == TYPE_PASCAL) pos += 4;
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break;
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}
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}
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output( "\tcall *8(%%ebp)\n" );
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if (needs_ldt)
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{
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output( "\tmovl -4(%%ebp),%%esi\n" );
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output_cfi( ".cfi_same_value %%esi" );
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}
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output( "\tleave\n" );
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output_cfi( ".cfi_def_cfa %%esp,4" );
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output_cfi( ".cfi_same_value %%ebp" );
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output( "\tret\n" );
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output_cfi( ".cfi_endproc" );
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output_function_size( name );
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free( name );
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}
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/*******************************************************************
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* callfrom16_type_compare
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*
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* Compare two callfrom16 sequences.
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*/
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static int callfrom16_type_compare( const void *e1, const void *e2 )
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{
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const ORDDEF *odp1 = *(const ORDDEF * const *)e1;
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const ORDDEF *odp2 = *(const ORDDEF * const *)e2;
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int retval;
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int type1 = odp1->type;
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int type2 = odp2->type;
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char args1[80];
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if (type1 == TYPE_STUB) type1 = TYPE_CDECL;
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if (type2 == TYPE_STUB) type2 = TYPE_CDECL;
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if ((retval = type1 - type2) != 0) return retval;
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type1 = odp1->flags & (FLAG_RET16|FLAG_REGISTER);
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type2 = odp2->flags & (FLAG_RET16|FLAG_REGISTER);
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if ((retval = type1 - type2) != 0) return retval;
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strcpy( args1, get_args_str( odp1 ));
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return strcmp( args1, get_args_str( odp2 ));
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}
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/*******************************************************************
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* relay_type_compare
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*
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* Same as callfrom16_type_compare but ignores differences that don't affect the resulting relay function.
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*/
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static int relay_type_compare( const void *e1, const void *e2 )
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{
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const ORDDEF *odp1 = *(const ORDDEF * const *)e1;
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const ORDDEF *odp2 = *(const ORDDEF * const *)e2;
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char name1[80];
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strcpy( name1, get_relay_name(odp1) );
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|
return strcmp( name1, get_relay_name(odp2) );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* output_module16
|
|
*
|
|
* Output code for a 16-bit module.
|
|
*/
|
|
static void output_module16( DLLSPEC *spec )
|
|
{
|
|
ORDDEF **typelist;
|
|
ORDDEF *entry_point = NULL;
|
|
int i, j, nb_funcs;
|
|
|
|
/* store the main entry point as ordinal 0 */
|
|
|
|
if (!spec->ordinals)
|
|
{
|
|
assert(spec->limit == 0);
|
|
spec->ordinals = xmalloc( sizeof(spec->ordinals[0]) );
|
|
spec->ordinals[0] = NULL;
|
|
}
|
|
if (spec->init_func && !(spec->characteristics & IMAGE_FILE_DLL))
|
|
{
|
|
entry_point = xmalloc( sizeof(*entry_point) );
|
|
entry_point->type = TYPE_PASCAL;
|
|
entry_point->ordinal = 0;
|
|
entry_point->lineno = 0;
|
|
entry_point->flags = FLAG_REGISTER;
|
|
entry_point->name = NULL;
|
|
entry_point->link_name = xstrdup( spec->init_func );
|
|
entry_point->export_name = NULL;
|
|
entry_point->u.func.nb_args = 0;
|
|
assert( !spec->ordinals[0] );
|
|
spec->ordinals[0] = entry_point;
|
|
}
|
|
|
|
/* Build sorted list of all argument types, without duplicates */
|
|
|
|
typelist = xmalloc( (spec->limit + 1) * sizeof(*typelist) );
|
|
|
|
for (i = nb_funcs = 0; i <= spec->limit; i++)
|
|
{
|
|
ORDDEF *odp = spec->ordinals[i];
|
|
if (!odp) continue;
|
|
if (is_function( odp )) typelist[nb_funcs++] = odp;
|
|
}
|
|
|
|
nb_funcs = sort_func_list( typelist, nb_funcs, callfrom16_type_compare );
|
|
|
|
/* Output the module structure */
|
|
|
|
output( "\n/* module data */\n\n" );
|
|
output( "\t.data\n" );
|
|
output( "\t.align %d\n", get_alignment(16) );
|
|
output( ".L__wine_spec_dos_header:\n" );
|
|
output( "\t.short 0x5a4d\n" ); /* e_magic */
|
|
output( "\t.short 0\n" ); /* e_cblp */
|
|
output( "\t.short 0\n" ); /* e_cp */
|
|
output( "\t.short 0\n" ); /* e_crlc */
|
|
output( "\t.short 0\n" ); /* e_cparhdr */
|
|
output( "\t.short 0\n" ); /* e_minalloc */
|
|
output( "\t.short 0\n" ); /* e_maxalloc */
|
|
output( "\t.short 0\n" ); /* e_ss */
|
|
output( "\t.short 0\n" ); /* e_sp */
|
|
output( "\t.short 0\n" ); /* e_csum */
|
|
output( "\t.short 0\n" ); /* e_ip */
|
|
output( "\t.short 0\n" ); /* e_cs */
|
|
output( "\t.short 0\n" ); /* e_lfarlc */
|
|
output( "\t.short 0\n" ); /* e_ovno */
|
|
output( "\t.short 0,0,0,0\n" ); /* e_res */
|
|
output( "\t.short 0\n" ); /* e_oemid */
|
|
output( "\t.short 0\n" ); /* e_oeminfo */
|
|
output( ".Lwine_ldt_copy_ptr:\n" ); /* e_res2, used for private data */
|
|
output( "\t.long .L__wine_spec_ne_header_end-.L__wine_spec_dos_header,0,0,0,0\n" );
|
|
output( "\t.long .L__wine_spec_ne_header-.L__wine_spec_dos_header\n" );/* e_lfanew */
|
|
|
|
output( "\t%s \"%s\"\n", get_asm_string_keyword(), fakedll_signature );
|
|
output( "\t.align %d\n", get_alignment(16) );
|
|
output( ".L__wine_spec_ne_header:\n" );
|
|
output( "\t.short 0x454e\n" ); /* ne_magic */
|
|
output( "\t.byte 0\n" ); /* ne_ver */
|
|
output( "\t.byte 0\n" ); /* ne_rev */
|
|
output( "\t.short .L__wine_spec_ne_enttab-.L__wine_spec_ne_header\n" );/* ne_enttab */
|
|
output( "\t.short .L__wine_spec_ne_enttab_end-.L__wine_spec_ne_enttab\n" );/* ne_cbenttab */
|
|
output( "\t.long 0\n" ); /* ne_crc */
|
|
output( "\t.short 0x%04x\n", NE_FFLAGS_SINGLEDATA | /* ne_flags */
|
|
((spec->characteristics & IMAGE_FILE_DLL) ? NE_FFLAGS_LIBMODULE : 0) );
|
|
output( "\t.short 2\n" ); /* ne_autodata */
|
|
output( "\t.short %u\n", spec->heap_size ); /* ne_heap */
|
|
output( "\t.short 0\n" ); /* ne_stack */
|
|
if (!entry_point) output( "\t.long 0\n" ); /* ne_csip */
|
|
else output( "\t.short .L__wine_%s_0-.L__wine_spec_code_segment,1\n", spec->c_name );
|
|
output( "\t.short 0,2\n" ); /* ne_sssp */
|
|
output( "\t.short 2\n" ); /* ne_cseg */
|
|
output( "\t.short 0\n" ); /* ne_cmod */
|
|
output( "\t.short 0\n" ); /* ne_cbnrestab */
|
|
output( "\t.short .L__wine_spec_ne_segtab-.L__wine_spec_ne_header\n" );/* ne_segtab */
|
|
output( "\t.short .L__wine_spec_ne_rsrctab-.L__wine_spec_ne_header\n" ); /* ne_rsrctab */
|
|
output( "\t.short .L__wine_spec_ne_restab-.L__wine_spec_ne_header\n" ); /* ne_restab */
|
|
output( "\t.short .L__wine_spec_ne_modtab-.L__wine_spec_ne_header\n" ); /* ne_modtab */
|
|
output( "\t.short .L__wine_spec_ne_imptab-.L__wine_spec_ne_header\n" ); /* ne_imptab */
|
|
output( "\t.long 0\n" ); /* ne_nrestab */
|
|
output( "\t.short 0\n" ); /* ne_cmovent */
|
|
output( "\t.short 0\n" ); /* ne_align */
|
|
output( "\t.short 0\n" ); /* ne_cres */
|
|
output( "\t.byte 0x02\n" ); /* ne_exetyp = NE_OSFLAGS_WINDOWS */
|
|
output( "\t.byte 0x08\n" ); /* ne_flagsothers = NE_AFLAGS_FASTLOAD */
|
|
output( "\t.short 0\n" ); /* ne_pretthunks */
|
|
output( "\t.short 0\n" ); /* ne_psegrefbytes */
|
|
output( "\t.short 0\n" ); /* ne_swaparea */
|
|
output( "\t.short 0\n" ); /* ne_expver */
|
|
|
|
/* segment table */
|
|
|
|
output( "\n.L__wine_spec_ne_segtab:\n" );
|
|
|
|
/* code segment entry */
|
|
|
|
output( "\t.short .L__wine_spec_code_segment-.L__wine_spec_dos_header\n" ); /* filepos */
|
|
output( "\t.short .L__wine_spec_code_segment_end-.L__wine_spec_code_segment\n" ); /* size */
|
|
output( "\t.short 0x2000\n" ); /* flags = NE_SEGFLAGS_32BIT */
|
|
output( "\t.short .L__wine_spec_code_segment_end-.L__wine_spec_code_segment\n" ); /* minsize */
|
|
|
|
/* data segment entry */
|
|
|
|
output( "\t.short .L__wine_spec_data_segment-.L__wine_spec_dos_header\n" ); /* filepos */
|
|
output( "\t.short .L__wine_spec_data_segment_end-.L__wine_spec_data_segment\n" ); /* size */
|
|
output( "\t.short 0x0001\n" ); /* flags = NE_SEGFLAGS_DATA */
|
|
output( "\t.short .L__wine_spec_data_segment_end-.L__wine_spec_data_segment\n" ); /* minsize */
|
|
|
|
/* resource directory */
|
|
|
|
output_res16_directory( spec );
|
|
|
|
/* resident names table */
|
|
|
|
output( "\n\t.align %d\n", get_alignment(2) );
|
|
output( ".L__wine_spec_ne_restab:\n" );
|
|
output_resident_name( spec->dll_name, 0 );
|
|
for (i = 1; i <= spec->limit; i++)
|
|
{
|
|
ORDDEF *odp = spec->ordinals[i];
|
|
if (!odp || !odp->name[0]) continue;
|
|
if (odp->flags & FLAG_EXPORT32) continue;
|
|
output_resident_name( odp->name, i );
|
|
}
|
|
output( "\t.byte 0\n" );
|
|
|
|
/* imported names table */
|
|
|
|
output( "\n\t.align %d\n", get_alignment(2) );
|
|
output( ".L__wine_spec_ne_modtab:\n" );
|
|
output( ".L__wine_spec_ne_imptab:\n" );
|
|
output( "\t.byte 0,0\n" );
|
|
|
|
/* entry table */
|
|
|
|
output( "\n.L__wine_spec_ne_enttab:\n" );
|
|
output_entry_table( spec );
|
|
output( ".L__wine_spec_ne_enttab_end:\n" );
|
|
|
|
/* code segment */
|
|
|
|
output( "\n\t.align %d\n", get_alignment(2) );
|
|
output( ".L__wine_spec_code_segment:\n" );
|
|
|
|
for ( i = 0; i < nb_funcs; i++ )
|
|
{
|
|
unsigned int arg_types[2];
|
|
int nop_words, pos, argsize = 0;
|
|
|
|
if ( typelist[i]->type == TYPE_PASCAL )
|
|
argsize = get_function_argsize( typelist[i] );
|
|
|
|
/* build the arg types bit fields */
|
|
arg_types[0] = arg_types[1] = 0;
|
|
for (j = pos = 0; j < typelist[i]->u.func.nb_args && pos < 20; j++, pos++)
|
|
{
|
|
int type = 0;
|
|
switch (typelist[i]->u.func.args[j])
|
|
{
|
|
case ARG_WORD: type = ARG16_WORD; break;
|
|
case ARG_SWORD: type = ARG16_SWORD; break;
|
|
case ARG_SEGPTR: type = ARG16_LONG; break;
|
|
case ARG_SEGSTR: type = ARG16_SEGSTR; break;
|
|
case ARG_LONG: type = ARG16_LONG; break;
|
|
case ARG_PTR: type = ARG16_PTR; break;
|
|
case ARG_STR: type = ARG16_STR; break;
|
|
case ARG_WSTR: type = ARG16_PTR; break;
|
|
case ARG_FLOAT: type = ARG16_LONG; break;
|
|
case ARG_INT128: type = ARG16_PTR; break;
|
|
case ARG_INT64:
|
|
case ARG_DOUBLE:
|
|
type = ARG16_LONG;
|
|
arg_types[pos / 10] |= type << (3 * (pos % 10));
|
|
pos++;
|
|
break;
|
|
}
|
|
if (pos < 20) arg_types[pos / 10] |= type << (3 * (pos % 10));
|
|
}
|
|
if (typelist[i]->type == TYPE_VARARGS && pos < 20)
|
|
arg_types[pos / 10] |= ARG16_VARARG << (3 * (pos % 10));
|
|
|
|
output( ".L__wine_spec_callfrom16_%s:\n", get_callfrom16_name(typelist[i]) );
|
|
output( "\tpushl $.L__wine_spec_call16_%s\n", get_relay_name(typelist[i]) );
|
|
output( "\tlcall $0,$0\n" );
|
|
|
|
if (typelist[i]->flags & FLAG_REGISTER)
|
|
{
|
|
nop_words = 4;
|
|
}
|
|
else if (typelist[i]->flags & FLAG_RET16)
|
|
{
|
|
output( "\torw %%ax,%%ax\n" );
|
|
output( "\tnop\n" ); /* so that the lretw is aligned */
|
|
nop_words = 2;
|
|
}
|
|
else
|
|
{
|
|
output( "\tshld $16,%%eax,%%edx\n" );
|
|
output( "\torl %%eax,%%eax\n" );
|
|
nop_words = 1;
|
|
}
|
|
|
|
if (argsize)
|
|
{
|
|
output( "\tlretw $%u\n", argsize );
|
|
nop_words--;
|
|
}
|
|
else output( "\tlretw\n" );
|
|
|
|
if (nop_words) output( "\t%s\n", nop_sequence[nop_words-1] );
|
|
|
|
/* the movl is here so that the code contains only valid instructions, */
|
|
/* it's never actually executed, we only care about the arg_types[] values */
|
|
output( "\t.short 0x86c7\n" );
|
|
output( "\t.long 0x%08x,0x%08x\n", arg_types[0], arg_types[1] );
|
|
}
|
|
|
|
for (i = 0; i <= spec->limit; i++)
|
|
{
|
|
ORDDEF *odp = spec->ordinals[i];
|
|
if (!odp || !is_function( odp )) continue;
|
|
output( ".L__wine_%s_%u:\n", spec->c_name, i );
|
|
output( "\tpushw %%bp\n" );
|
|
output( "\tpushl $%s\n",
|
|
asm_name( odp->type == TYPE_STUB ? get_stub_name( odp, spec ) : get_link_name( odp )));
|
|
output( "\tcallw .L__wine_spec_callfrom16_%s\n", get_callfrom16_name( odp ) );
|
|
}
|
|
output( ".L__wine_spec_code_segment_end:\n" );
|
|
|
|
/* data segment */
|
|
|
|
output( "\n.L__wine_spec_data_segment:\n" );
|
|
output( "\t.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0\n" ); /* instance data */
|
|
for (i = 0; i <= spec->limit; i++)
|
|
{
|
|
ORDDEF *odp = spec->ordinals[i];
|
|
if (!odp || odp->type != TYPE_VARIABLE) continue;
|
|
output( ".L__wine_%s_%u:\n", spec->c_name, i );
|
|
output( "\t.long " );
|
|
for (j = 0; j < odp->u.var.n_values-1; j++)
|
|
output( "0x%08x,", odp->u.var.values[j] );
|
|
output( "0x%08x\n", odp->u.var.values[j] );
|
|
}
|
|
output( ".L__wine_spec_data_segment_end:\n" );
|
|
|
|
/* resource data */
|
|
|
|
if (spec->nb_resources)
|
|
{
|
|
output( "\n.L__wine_spec_resource_data:\n" );
|
|
output_res16_data( spec );
|
|
}
|
|
|
|
output( ".L__wine_spec_ne_header_end:\n" );
|
|
output( "\t.byte 0\n" ); /* make sure the last symbol points to something */
|
|
|
|
/* relay functions */
|
|
|
|
nb_funcs = sort_func_list( typelist, nb_funcs, relay_type_compare );
|
|
if (nb_funcs)
|
|
{
|
|
output( "\n/* relay functions */\n\n" );
|
|
output( "\t.text\n" );
|
|
for ( i = 0; i < nb_funcs; i++ ) output_call16_function( typelist[i] );
|
|
}
|
|
|
|
free( typelist );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* output_spec16_file
|
|
*
|
|
* Output the complete data for a spec 16-bit file.
|
|
*/
|
|
void output_spec16_file( DLLSPEC *spec16 )
|
|
{
|
|
DLLSPEC *spec32 = alloc_dll_spec();
|
|
|
|
add_16bit_exports( spec32, spec16 );
|
|
|
|
needs_get_pc_thunk = 0;
|
|
open_output_file();
|
|
output_standard_file_header();
|
|
output_module( spec32 );
|
|
output_module16( spec16 );
|
|
output_stubs( spec16 );
|
|
output_exports( spec32 );
|
|
output_imports( spec16 );
|
|
if (!strcmp( spec16->dll_name, "kernel" )) output_asm_relays16();
|
|
if (needs_get_pc_thunk) output_get_pc_thunk();
|
|
if (spec16->main_module)
|
|
{
|
|
output( "\n\t%s\n", get_asm_string_section() );
|
|
output( ".L__wine_spec_main_module:\n" );
|
|
output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec16->main_module );
|
|
}
|
|
output_gnu_stack_note();
|
|
close_output_file();
|
|
free_dll_spec( spec32 );
|
|
}
|
|
|
|
/*******************************************************************
|
|
* output_fake_module16
|
|
*
|
|
* Create a fake 16-bit binary module.
|
|
*/
|
|
void output_fake_module16( DLLSPEC *spec )
|
|
{
|
|
static const unsigned char code_segment[] = { 0x90, 0xc3 };
|
|
static const unsigned char data_segment[16] = { 0 };
|
|
const unsigned int cseg = 2;
|
|
const unsigned int lfanew = (0x40 + sizeof(fakedll_signature) + 15) & ~15;
|
|
const unsigned int segtab = lfanew + 0x40;
|
|
|
|
unsigned int i, rsrctab, restab, namelen, modtab, imptab, enttab, cbenttab, codeseg, dataseg, rsrcdata, rsrc_size = 0;
|
|
void *rsrc_ptr = NULL;
|
|
|
|
init_output_buffer();
|
|
|
|
rsrctab = lfanew;
|
|
restab = segtab + 8 * cseg;
|
|
if (spec->nb_resources)
|
|
{
|
|
output_bin_res16_directory( spec, 0 );
|
|
align_output( 2 );
|
|
rsrctab = restab;
|
|
restab += output_buffer_pos;
|
|
free( output_buffer );
|
|
init_output_buffer();
|
|
output_bin_res16_data( spec );
|
|
rsrc_ptr = output_buffer;
|
|
rsrc_size = output_buffer_pos;
|
|
init_output_buffer();
|
|
}
|
|
|
|
namelen = strlen( spec->dll_name );
|
|
modtab = restab + ((namelen + 3) & ~1);
|
|
imptab = modtab;
|
|
enttab = modtab + 2;
|
|
cbenttab = 1;
|
|
codeseg = (enttab + cbenttab + 1) & ~1;
|
|
dataseg = codeseg + sizeof(code_segment);
|
|
rsrcdata = dataseg + sizeof(data_segment);
|
|
|
|
init_output_buffer();
|
|
|
|
put_word( 0x5a4d ); /* e_magic */
|
|
put_word( 0x40 ); /* e_cblp */
|
|
put_word( 0x01 ); /* e_cp */
|
|
put_word( 0 ); /* e_crlc */
|
|
put_word( lfanew / 16 ); /* e_cparhdr */
|
|
put_word( 0x0000 ); /* e_minalloc */
|
|
put_word( 0xffff ); /* e_maxalloc */
|
|
put_word( 0x0000 ); /* e_ss */
|
|
put_word( 0x00b8 ); /* e_sp */
|
|
put_word( 0 ); /* e_csum */
|
|
put_word( 0 ); /* e_ip */
|
|
put_word( 0 ); /* e_cs */
|
|
put_word( lfanew ); /* e_lfarlc */
|
|
put_word( 0 ); /* e_ovno */
|
|
put_dword( 0 ); /* e_res */
|
|
put_dword( 0 );
|
|
put_word( 0 ); /* e_oemid */
|
|
put_word( 0 ); /* e_oeminfo */
|
|
put_dword( rsrcdata + rsrc_size ); /* e_res2 */
|
|
put_dword( 0 );
|
|
put_dword( 0 );
|
|
put_dword( 0 );
|
|
put_dword( 0 );
|
|
put_dword( lfanew );
|
|
|
|
put_data( fakedll_signature, sizeof(fakedll_signature) );
|
|
align_output( 16 );
|
|
|
|
put_word( 0x454e ); /* ne_magic */
|
|
put_byte( 0 ); /* ne_ver */
|
|
put_byte( 0 ); /* ne_rev */
|
|
put_word( enttab - lfanew ); /* ne_enttab */
|
|
put_word( cbenttab ); /* ne_cbenttab */
|
|
put_dword( 0 ); /* ne_crc */
|
|
put_word( NE_FFLAGS_SINGLEDATA | /* ne_flags */
|
|
((spec->characteristics & IMAGE_FILE_DLL) ? NE_FFLAGS_LIBMODULE : 0) );
|
|
put_word( 2 ); /* ne_autodata */
|
|
put_word( spec->heap_size ); /* ne_heap */
|
|
put_word( 0 ); /* ne_stack */
|
|
put_word( 0 ); put_word( 0 ); /* ne_csip */
|
|
put_word( 0 ); put_word( 2 ); /* ne_sssp */
|
|
put_word( cseg ); /* ne_cseg */
|
|
put_word( 0 ); /* ne_cmod */
|
|
put_word( 0 ); /* ne_cbnrestab */
|
|
put_word( segtab - lfanew ); /* ne_segtab */
|
|
put_word( rsrctab - lfanew ); /* ne_rsrctab */
|
|
put_word( restab - lfanew ); /* ne_restab */
|
|
put_word( modtab - lfanew ); /* ne_modtab */
|
|
put_word( imptab - lfanew ); /* ne_imptab */
|
|
put_dword( 0 ); /* ne_nrestab */
|
|
put_word( 0 ); /* ne_cmovent */
|
|
put_word( 0 ); /* ne_align */
|
|
put_word( 0 ); /* ne_cres */
|
|
put_byte( 2 /*NE_OSFLAGS_WINDOWS*/ ); /* ne_exetyp */
|
|
put_byte( 8 /*NE_AFLAGS_FASTLOAD*/ ); /* ne_flagsothers */
|
|
put_word( 0 ); /* ne_pretthunks */
|
|
put_word( 0 ); /* ne_psegrefbytes */
|
|
put_word( 0 ); /* ne_swaparea */
|
|
put_word( 0 ); /* ne_expver */
|
|
|
|
/* segment table */
|
|
put_word( codeseg );
|
|
put_word( sizeof(code_segment) );
|
|
put_word( 0x2000 /* NE_SEGFLAGS_32BIT */ );
|
|
put_word( sizeof(code_segment) );
|
|
put_word( dataseg );
|
|
put_word( sizeof(data_segment) );
|
|
put_word( 0x0001 /* NE_SEGFLAGS_DATA */ );
|
|
put_word( sizeof(data_segment) );
|
|
|
|
/* resource directory */
|
|
if (spec->nb_resources)
|
|
{
|
|
output_bin_res16_directory( spec, rsrcdata );
|
|
align_output( 2 );
|
|
}
|
|
|
|
/* resident names table */
|
|
put_byte( namelen );
|
|
for (i = 0; i < namelen; i++) put_byte( toupper(spec->dll_name[i]) );
|
|
put_byte( 0 );
|
|
align_output( 2 );
|
|
|
|
/* imported names table */
|
|
put_word( 0 );
|
|
|
|
/* entry table */
|
|
put_byte( 0 );
|
|
align_output( 2 );
|
|
|
|
/* code segment */
|
|
put_data( code_segment, sizeof(code_segment) );
|
|
|
|
/* data segment */
|
|
put_data( data_segment, sizeof(data_segment) );
|
|
|
|
/* resource data */
|
|
put_data( rsrc_ptr, rsrc_size );
|
|
}
|