mirror of
git://source.winehq.org/git/wine.git
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561 lines
19 KiB
C
561 lines
19 KiB
C
/*
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* 32-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 "wine/port.h"
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#include <assert.h>
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#include <ctype.h>
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#include <stdarg.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wine/exception.h"
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#include "build.h"
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/* check if entry point needs a relay thunk */
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static inline int needs_relay( const ORDDEF *odp )
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{
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/* skip nonexistent entry points */
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if (!odp) return 0;
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/* skip non-functions */
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if ((odp->type != TYPE_STDCALL) && (odp->type != TYPE_CDECL)) return 0;
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/* skip norelay and forward entry points */
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if (odp->flags & (FLAG_NORELAY|FLAG_FORWARD)) return 0;
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return 1;
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}
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/* check if dll will output relay thunks */
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int has_relays( DLLSPEC *spec )
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{
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int i;
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if (target_cpu != CPU_x86) return 0;
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for (i = spec->base; i <= spec->limit; i++)
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{
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ORDDEF *odp = spec->ordinals[i];
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if (needs_relay( odp )) return 1;
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}
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return 0;
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}
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/*******************************************************************
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* output_relay_debug
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*
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* Output entry points for relay debugging
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*/
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static void output_relay_debug( DLLSPEC *spec )
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{
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int i;
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unsigned int j, args, flags;
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/* first the table of entry point offsets */
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output( "\t%s\n", get_asm_rodata_section() );
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output( "\t.align %d\n", get_alignment(4) );
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output( ".L__wine_spec_relay_entry_point_offsets:\n" );
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for (i = spec->base; i <= spec->limit; i++)
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{
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ORDDEF *odp = spec->ordinals[i];
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if (needs_relay( odp ))
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output( "\t.long .L__wine_spec_relay_entry_point_%d-__wine_spec_relay_entry_points\n", i );
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else
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output( "\t.long 0\n" );
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}
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/* then the table of argument types */
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output( "\t.align %d\n", get_alignment(4) );
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output( ".L__wine_spec_relay_arg_types:\n" );
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for (i = spec->base; i <= spec->limit; i++)
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{
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ORDDEF *odp = spec->ordinals[i];
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unsigned int mask = 0;
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if (needs_relay( odp ))
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{
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for (j = 0; j < 16 && odp->u.func.arg_types[j]; j++)
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{
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if (odp->u.func.arg_types[j] == 't') mask |= 1<< (j*2);
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if (odp->u.func.arg_types[j] == 'W') mask |= 2<< (j*2);
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}
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}
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output( "\t.long 0x%08x\n", mask );
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}
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/* then the relay thunks */
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output( "\t.text\n" );
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output( "__wine_spec_relay_entry_points:\n" );
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output( "\tnop\n" ); /* to avoid 0 offset */
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for (i = spec->base; i <= spec->limit; i++)
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{
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ORDDEF *odp = spec->ordinals[i];
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if (!needs_relay( odp )) continue;
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output( "\t.align %d\n", get_alignment(4) );
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output( ".L__wine_spec_relay_entry_point_%d:\n", i );
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if (odp->flags & FLAG_REGISTER)
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output( "\tpushl %%eax\n" );
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else
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output( "\tpushl %%esp\n" );
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args = strlen(odp->u.func.arg_types);
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flags = 0;
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if (odp->flags & FLAG_RET64) flags |= 1;
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if (odp->type == TYPE_STDCALL) flags |= 2;
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output( "\tpushl $%u\n", (flags << 24) | (args << 16) | (i - spec->base) );
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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:\tleal .L__wine_spec_relay_descr-1b(%%eax),%%eax\n" );
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}
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else output( "\tmovl $.L__wine_spec_relay_descr,%%eax\n" );
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output( "\tpushl %%eax\n" );
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if (odp->flags & FLAG_REGISTER)
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{
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output( "\tcall *8(%%eax)\n" );
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}
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else
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{
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output( "\tcall *4(%%eax)\n" );
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if (odp->type == TYPE_STDCALL)
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output( "\tret $%u\n", args * get_ptr_size() );
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else
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output( "\tret\n" );
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}
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}
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}
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/*******************************************************************
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* output_exports
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*
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* Output the export table for a Win32 module.
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*/
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static void output_exports( DLLSPEC *spec )
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{
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int i, fwd_size = 0;
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int nr_exports = spec->base <= spec->limit ? spec->limit - spec->base + 1 : 0;
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if (!nr_exports) return;
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output( "\n/* export table */\n\n" );
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output( "\t.data\n" );
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output( "\t.align %d\n", get_alignment(4) );
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output( ".L__wine_spec_exports:\n" );
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/* export directory header */
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output( "\t.long 0\n" ); /* Characteristics */
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output( "\t.long 0\n" ); /* TimeDateStamp */
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output( "\t.long 0\n" ); /* MajorVersion/MinorVersion */
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output( "\t.long .L__wine_spec_exp_names-.L__wine_spec_rva_base\n" ); /* Name */
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output( "\t.long %u\n", spec->base ); /* Base */
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output( "\t.long %u\n", nr_exports ); /* NumberOfFunctions */
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output( "\t.long %u\n", spec->nb_names ); /* NumberOfNames */
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output( "\t.long .L__wine_spec_exports_funcs-.L__wine_spec_rva_base\n" ); /* AddressOfFunctions */
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if (spec->nb_names)
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{
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output( "\t.long .L__wine_spec_exp_name_ptrs-.L__wine_spec_rva_base\n" ); /* AddressOfNames */
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output( "\t.long .L__wine_spec_exp_ordinals-.L__wine_spec_rva_base\n" ); /* AddressOfNameOrdinals */
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}
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else
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{
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output( "\t.long 0\n" ); /* AddressOfNames */
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output( "\t.long 0\n" ); /* AddressOfNameOrdinals */
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}
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/* output the function pointers */
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output( "\n.L__wine_spec_exports_funcs:\n" );
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for (i = spec->base; i <= spec->limit; i++)
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{
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ORDDEF *odp = spec->ordinals[i];
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if (!odp) output( "\t%s 0\n", get_asm_ptr_keyword() );
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else switch(odp->type)
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{
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case TYPE_EXTERN:
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case TYPE_STDCALL:
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case TYPE_VARARGS:
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case TYPE_CDECL:
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if (odp->flags & FLAG_FORWARD)
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{
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output( "\t%s .L__wine_spec_forwards+%u\n", get_asm_ptr_keyword(), fwd_size );
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fwd_size += strlen(odp->link_name) + 1;
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}
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else if (odp->flags & FLAG_EXT_LINK)
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{
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output( "\t%s %s_%s\n",
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get_asm_ptr_keyword(), asm_name("__wine_spec_ext_link"), odp->link_name );
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}
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else
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{
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output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp->link_name) );
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}
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break;
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case TYPE_STUB:
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output( "\t%s %s\n", get_asm_ptr_keyword(),
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asm_name( get_stub_name( odp, spec )) );
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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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if (spec->nb_names)
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{
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/* output the function name pointers */
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int namepos = strlen(spec->file_name) + 1;
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output( "\n.L__wine_spec_exp_name_ptrs:\n" );
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for (i = 0; i < spec->nb_names; i++)
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{
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output( "\t.long .L__wine_spec_exp_names+%u-.L__wine_spec_rva_base\n", namepos );
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namepos += strlen(spec->names[i]->name) + 1;
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}
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/* output the function ordinals */
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output( "\n.L__wine_spec_exp_ordinals:\n" );
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for (i = 0; i < spec->nb_names; i++)
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{
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output( "\t%s %d\n",
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get_asm_short_keyword(), spec->names[i]->ordinal - spec->base );
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}
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if (spec->nb_names % 2)
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{
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output( "\t%s 0\n", get_asm_short_keyword() );
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}
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}
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/* output the export name strings */
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output( "\n.L__wine_spec_exp_names:\n" );
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output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
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for (i = 0; i < spec->nb_names; i++)
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output( "\t%s \"%s\"\n",
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get_asm_string_keyword(), spec->names[i]->name );
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/* output forward strings */
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if (fwd_size)
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{
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output( "\n.L__wine_spec_forwards:\n" );
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for (i = spec->base; i <= spec->limit; i++)
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{
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ORDDEF *odp = spec->ordinals[i];
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if (odp && (odp->flags & FLAG_FORWARD))
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output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp->link_name );
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}
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}
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output( "\t.align %d\n", get_alignment(get_ptr_size()) );
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output( ".L__wine_spec_exports_end:\n" );
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/* output relays */
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/* we only support relay debugging on i386 */
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if (target_cpu != CPU_x86)
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{
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output( "\t%s 0\n", get_asm_ptr_keyword() );
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return;
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}
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output( ".L__wine_spec_relay_descr:\n" );
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output( "\t%s 0xdeb90001\n", get_asm_ptr_keyword() ); /* magic */
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output( "\t%s 0,0\n", get_asm_ptr_keyword() ); /* relay funcs */
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output( "\t%s 0\n", get_asm_ptr_keyword() ); /* private data */
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output( "\t%s __wine_spec_relay_entry_points\n", get_asm_ptr_keyword() );
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output( "\t%s .L__wine_spec_relay_entry_point_offsets\n", get_asm_ptr_keyword() );
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output( "\t%s .L__wine_spec_relay_arg_types\n", get_asm_ptr_keyword() );
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output_relay_debug( spec );
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}
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/*******************************************************************
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* output_asm_constructor
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*
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* Output code for calling a dll constructor.
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*/
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static void output_asm_constructor( const char *constructor )
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{
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if (target_platform == PLATFORM_APPLE)
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{
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/* Mach-O doesn't have an init section */
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output( "\n\t.mod_init_func\n" );
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output( "\t.align %d\n", get_alignment(4) );
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output( "\t.long %s\n", asm_name(constructor) );
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}
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else
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{
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output( "\n\t.section \".init\",\"ax\"\n" );
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switch(target_cpu)
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{
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case CPU_x86:
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case CPU_x86_64:
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output( "\tcall %s\n", asm_name(constructor) );
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break;
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case CPU_SPARC:
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output( "\tcall %s\n", asm_name(constructor) );
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output( "\tnop\n" );
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break;
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case CPU_ALPHA:
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output( "\tjsr $26,%s\n", asm_name(constructor) );
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break;
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case CPU_POWERPC:
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output( "\tbl %s\n", asm_name(constructor) );
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break;
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}
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}
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}
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/*******************************************************************
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* BuildSpec32File
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*
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* Build a Win32 C file from a spec file.
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*/
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void BuildSpec32File( DLLSPEC *spec )
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{
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int machine = 0;
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unsigned int page_size = get_page_size();
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resolve_imports( spec );
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output_standard_file_header();
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/* Reserve some space for the PE header */
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output( "\t.text\n" );
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output( "\t.align %d\n", get_alignment(page_size) );
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output( "__wine_spec_pe_header:\n" );
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if (target_platform == PLATFORM_APPLE)
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output( "\t.space 65536\n" );
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else
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output( "\t.skip 65536\n" );
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/* Output the NT header */
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output( "\n\t.data\n" );
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output( "\t.align %d\n", get_alignment(get_ptr_size()) );
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output( "%s\n", asm_globl("__wine_spec_nt_header") );
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output( ".L__wine_spec_rva_base:\n" );
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output( "\t.long 0x%04x\n", IMAGE_NT_SIGNATURE ); /* Signature */
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switch(target_cpu)
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{
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case CPU_x86: machine = IMAGE_FILE_MACHINE_I386; break;
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case CPU_x86_64: machine = IMAGE_FILE_MACHINE_AMD64; break;
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case CPU_POWERPC: machine = IMAGE_FILE_MACHINE_POWERPC; break;
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case CPU_ALPHA: machine = IMAGE_FILE_MACHINE_ALPHA; break;
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case CPU_SPARC: machine = IMAGE_FILE_MACHINE_UNKNOWN; break;
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}
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output( "\t%s 0x%04x\n", /* Machine */
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get_asm_short_keyword(), machine );
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output( "\t%s 0\n", /* NumberOfSections */
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get_asm_short_keyword() );
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output( "\t.long 0\n" ); /* TimeDateStamp */
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output( "\t.long 0\n" ); /* PointerToSymbolTable */
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output( "\t.long 0\n" ); /* NumberOfSymbols */
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output( "\t%s %d\n", /* SizeOfOptionalHeader */
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get_asm_short_keyword(),
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get_ptr_size() == 8 ? IMAGE_SIZEOF_NT_OPTIONAL64_HEADER : IMAGE_SIZEOF_NT_OPTIONAL32_HEADER );
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output( "\t%s 0x%04x\n", /* Characteristics */
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get_asm_short_keyword(), spec->characteristics );
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output( "\t%s 0x%04x\n", /* Magic */
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get_asm_short_keyword(),
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get_ptr_size() == 8 ? IMAGE_NT_OPTIONAL_HDR64_MAGIC : IMAGE_NT_OPTIONAL_HDR32_MAGIC );
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output( "\t.byte 0\n" ); /* MajorLinkerVersion */
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output( "\t.byte 0\n" ); /* MinorLinkerVersion */
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output( "\t.long 0\n" ); /* SizeOfCode */
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output( "\t.long 0\n" ); /* SizeOfInitializedData */
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output( "\t.long 0\n" ); /* SizeOfUninitializedData */
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/* note: we expand the AddressOfEntryPoint field on 64-bit by overwriting the BaseOfCode field */
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output( "\t%s %s\n", /* AddressOfEntryPoint */
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get_asm_ptr_keyword(), asm_name(spec->init_func) );
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if (get_ptr_size() == 4)
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{
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output( "\t.long 0\n" ); /* BaseOfCode */
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output( "\t.long 0\n" ); /* BaseOfData */
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}
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output( "\t%s __wine_spec_pe_header\n", /* ImageBase */
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get_asm_ptr_keyword() );
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output( "\t.long %u\n", page_size ); /* SectionAlignment */
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output( "\t.long %u\n", page_size ); /* FileAlignment */
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output( "\t%s 1,0\n", /* Major/MinorOperatingSystemVersion */
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get_asm_short_keyword() );
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output( "\t%s 0,0\n", /* Major/MinorImageVersion */
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get_asm_short_keyword() );
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output( "\t%s %u,%u\n", /* Major/MinorSubsystemVersion */
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get_asm_short_keyword(), spec->subsystem_major, spec->subsystem_minor );
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output( "\t.long 0\n" ); /* Win32VersionValue */
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output( "\t.long %s-.L__wine_spec_rva_base\n", /* SizeOfImage */
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asm_name("_end") );
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output( "\t.long %u\n", page_size ); /* SizeOfHeaders */
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output( "\t.long 0\n" ); /* CheckSum */
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output( "\t%s 0x%04x\n", /* Subsystem */
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get_asm_short_keyword(), spec->subsystem );
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output( "\t%s 0x%04x\n", /* DllCharacteristics */
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get_asm_short_keyword(), spec->dll_characteristics );
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output( "\t%s %u,%u\n", /* SizeOfStackReserve/Commit */
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get_asm_ptr_keyword(), (spec->stack_size ? spec->stack_size : 1024) * 1024, page_size );
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output( "\t%s %u,%u\n", /* SizeOfHeapReserve/Commit */
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get_asm_ptr_keyword(), (spec->heap_size ? spec->heap_size : 1024) * 1024, page_size );
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output( "\t.long 0\n" ); /* LoaderFlags */
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output( "\t.long 16\n" ); /* NumberOfRvaAndSizes */
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if (spec->base <= spec->limit) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
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output( "\t.long .L__wine_spec_exports-.L__wine_spec_rva_base,"
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".L__wine_spec_exports_end-.L__wine_spec_exports\n" );
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else
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output( "\t.long 0,0\n" );
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if (has_imports()) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
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output( "\t.long .L__wine_spec_imports-.L__wine_spec_rva_base,"
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".L__wine_spec_imports_end-.L__wine_spec_imports\n" );
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else
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output( "\t.long 0,0\n" );
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if (spec->nb_resources) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
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output( "\t.long .L__wine_spec_resources-.L__wine_spec_rva_base,"
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".L__wine_spec_resources_end-.L__wine_spec_resources\n" );
|
|
else
|
|
output( "\t.long 0,0\n" );
|
|
|
|
output( "\t.long 0,0\n" ); /* DataDirectory[3] */
|
|
output( "\t.long 0,0\n" ); /* DataDirectory[4] */
|
|
output( "\t.long 0,0\n" ); /* DataDirectory[5] */
|
|
output( "\t.long 0,0\n" ); /* DataDirectory[6] */
|
|
output( "\t.long 0,0\n" ); /* DataDirectory[7] */
|
|
output( "\t.long 0,0\n" ); /* DataDirectory[8] */
|
|
output( "\t.long 0,0\n" ); /* DataDirectory[9] */
|
|
output( "\t.long 0,0\n" ); /* DataDirectory[10] */
|
|
output( "\t.long 0,0\n" ); /* DataDirectory[11] */
|
|
output( "\t.long 0,0\n" ); /* DataDirectory[12] */
|
|
output( "\t.long 0,0\n" ); /* DataDirectory[13] */
|
|
output( "\t.long 0,0\n" ); /* DataDirectory[14] */
|
|
output( "\t.long 0,0\n" ); /* DataDirectory[15] */
|
|
|
|
output( "\n\t%s\n", get_asm_string_section() );
|
|
output( "%s\n", asm_globl("__wine_spec_file_name") );
|
|
output( ".L__wine_spec_file_name:\n" );
|
|
output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
|
|
if (target_platform == PLATFORM_APPLE)
|
|
output( "\t.lcomm %s,4\n", asm_name("_end") );
|
|
|
|
output_stubs( spec );
|
|
output_exports( spec );
|
|
output_imports( spec );
|
|
output_resources( spec );
|
|
output_asm_constructor( "__wine_spec_init_ctor" );
|
|
output_gnu_stack_note();
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* BuildDef32File
|
|
*
|
|
* Build a Win32 def file from a spec file.
|
|
*/
|
|
void BuildDef32File( DLLSPEC *spec )
|
|
{
|
|
const char *name;
|
|
int i, total;
|
|
|
|
if (spec_file_name)
|
|
output( "; File generated automatically from %s; do not edit!\n\n",
|
|
spec_file_name );
|
|
else
|
|
output( "; File generated automatically; do not edit!\n\n" );
|
|
|
|
output( "LIBRARY %s\n\n", spec->file_name);
|
|
output( "EXPORTS\n");
|
|
|
|
/* Output the exports and relay entry points */
|
|
|
|
for (i = total = 0; i < spec->nb_entry_points; i++)
|
|
{
|
|
const ORDDEF *odp = &spec->entry_points[i];
|
|
int is_data = 0;
|
|
|
|
if (!odp) continue;
|
|
|
|
if (odp->name) name = odp->name;
|
|
else if (odp->export_name) name = odp->export_name;
|
|
else continue;
|
|
|
|
if (!(odp->flags & FLAG_PRIVATE)) total++;
|
|
|
|
if (odp->type == TYPE_STUB) continue;
|
|
|
|
output( " %s", name );
|
|
|
|
switch(odp->type)
|
|
{
|
|
case TYPE_EXTERN:
|
|
is_data = 1;
|
|
/* fall through */
|
|
case TYPE_VARARGS:
|
|
case TYPE_CDECL:
|
|
/* try to reduce output */
|
|
if(strcmp(name, odp->link_name) || (odp->flags & FLAG_FORWARD))
|
|
output( "=%s", odp->link_name );
|
|
break;
|
|
case TYPE_STDCALL:
|
|
{
|
|
int at_param = strlen(odp->u.func.arg_types) * get_ptr_size();
|
|
if (!kill_at) output( "@%d", at_param );
|
|
if (odp->flags & FLAG_FORWARD)
|
|
{
|
|
output( "=%s", odp->link_name );
|
|
}
|
|
else if (strcmp(name, odp->link_name)) /* try to reduce output */
|
|
{
|
|
output( "=%s", odp->link_name );
|
|
if (!kill_at) output( "@%d", at_param );
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
assert(0);
|
|
}
|
|
output( " @%d", odp->ordinal );
|
|
if (!odp->name) output( " NONAME" );
|
|
if (is_data) output( " DATA" );
|
|
if (odp->flags & FLAG_PRIVATE) output( " PRIVATE" );
|
|
output( "\n" );
|
|
}
|
|
if (!total) warning( "%s: Import library doesn't export anything\n", spec->file_name );
|
|
}
|