Sweden-Number/tools/winebuild/import.c

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/*
* DLL imports support
*
* Copyright 2000, 2004 Alexandre Julliard
* Copyright 2000 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <ctype.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "windef.h"
#include "winbase.h"
#include "wine/exception.h"
#include "build.h"
struct import
{
DLLSPEC *spec; /* description of the imported dll */
char *full_name; /* full name of the input file */
dev_t dev; /* device/inode of the input file */
ino_t ino;
int delay; /* delay or not dll loading ? */
ORDDEF **exports; /* functions exported from this dll */
int nb_exports; /* number of exported functions */
ORDDEF **imports; /* functions we want to import from this dll */
int nb_imports; /* number of imported functions */
};
static char **undef_symbols; /* list of undefined symbols */
static int nb_undef_symbols = -1;
static int undef_size;
static char **ignore_symbols; /* list of symbols to ignore */
static int nb_ignore_symbols;
static int ignore_size;
static char *ld_tmp_file; /* ld temp file name */
static struct import **dll_imports = NULL;
static int nb_imports = 0; /* number of imported dlls (delayed or not) */
static int nb_delayed = 0; /* number of delayed dlls */
static int total_imports = 0; /* total number of imported functions */
static int total_delayed = 0; /* total number of imported functions in delayed DLLs */
static char **delayed_imports; /* names of delayed import dlls */
static int nb_delayed_imports; /* size of the delayed_imports array */
/* list of symbols that are ignored by default */
static const char * const default_ignored_symbols[] =
{
"abs",
"acos",
"asin",
"atan",
"atan2",
"atof",
"atoi",
"atol",
"bsearch",
"ceil",
"cos",
"cosh",
"exp",
"fabs",
"floor",
"fmod",
"frexp",
"labs",
"log",
"log10",
"memchr",
"memcmp",
"memcpy",
"memmove",
"memset",
"modf",
"pow",
"qsort",
"sin",
"sinh",
"sqrt",
"strcat",
"strchr",
"strcmp",
"strcpy",
"strcspn",
"strlen",
"strncat",
"strncmp",
"strncpy",
"strpbrk",
"strrchr",
"strspn",
"strstr",
"tan",
"tanh"
};
#ifdef __powerpc__
# ifdef __APPLE__
# define ppc_high(mem) "ha16(" mem ")"
# define ppc_low(mem) "lo16(" mem ")"
static const char * const ppc_reg[32] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10","r11","r12","r13","r14","r15",
"r16","r17","r18","r19","r20","r21","r22","r23",
"r24","r25","r26","r27","r28","r29","r30","r31" };
# else /* __APPLE__ */
# define ppc_high(mem) "(" mem ")@hi"
# define ppc_low(mem) "(" mem ")@l"
static const char * const ppc_reg[32] = { "0", "1", "2", "3", "4", "5", "6", "7",
"8", "9", "10","11","12","13","14","15",
"16","17","18","19","20","21","22","23",
"24","25","26","27","28","29","30","31" };
# endif /* __APPLE__ */
#endif /* __powerpc__ */
/* compare function names; helper for resolve_imports */
static int name_cmp( const void *name, const void *entry )
{
return strcmp( *(const char* const *)name, *(const char* const *)entry );
}
/* compare function names; helper for resolve_imports */
static int func_cmp( const void *func1, const void *func2 )
{
const ORDDEF *odp1 = *(const ORDDEF * const *)func1;
const ORDDEF *odp2 = *(const ORDDEF * const *)func2;
return strcmp( odp1->name ? odp1->name : odp1->export_name,
odp2->name ? odp2->name : odp2->export_name );
}
/* locate a symbol in a (sorted) list */
inline static const char *find_symbol( const char *name, char **table, int size )
{
2000-12-18 04:13:52 +01:00
char **res = NULL;
if (table) {
res = bsearch( &name, table, size, sizeof(*table), name_cmp );
}
return res ? *res : NULL;
}
/* locate an export in a (sorted) export list */
inline static ORDDEF *find_export( const char *name, ORDDEF **table, int size )
{
ORDDEF func, *odp, **res = NULL;
func.name = (char *)name;
func.ordinal = -1;
odp = &func;
if (table) res = bsearch( &odp, table, size, sizeof(*table), func_cmp );
return res ? *res : NULL;
}
/* sort a symbol table */
inline static void sort_symbols( char **table, int size )
{
if (table )
qsort( table, size, sizeof(*table), name_cmp );
}
inline static void output_function_size( FILE *outfile, const char *name )
{
#ifdef HAVE_ASM_DOT_SIZE
fprintf( outfile, " \"\\t.size " __ASM_NAME("%s") ", . - " __ASM_NAME("%s") "\\n\"\n", name, name);
#endif
}
/* free an import structure */
static void free_imports( struct import *imp )
{
free( imp->exports );
free( imp->imports );
free_dll_spec( imp->spec );
free( imp->full_name );
free( imp );
}
/* remove the temp file at exit */
static void remove_ld_tmp_file(void)
{
if (ld_tmp_file) unlink( ld_tmp_file );
}
/* check whether a given dll is imported in delayed mode */
static int is_delayed_import( const char *name )
{
int i;
for (i = 0; i < nb_delayed_imports; i++)
{
if (!strcmp( delayed_imports[i], name )) return 1;
}
return 0;
}
/* check whether a given dll has already been imported */
static struct import *is_already_imported( const char *name )
{
int i;
for (i = 0; i < nb_imports; i++)
{
if (!strcmp( dll_imports[i]->spec->file_name, name )) return dll_imports[i];
}
return NULL;
}
/* open the .so library for a given dll in a specified path */
static char *try_library_path( const char *path, const char *name )
{
char *buffer;
int fd;
buffer = xmalloc( strlen(path) + strlen(name) + 9 );
sprintf( buffer, "%s/lib%s.def", path, name );
/* check if the file exists */
if ((fd = open( buffer, O_RDONLY )) != -1)
{
close( fd );
return buffer;
}
free( buffer );
return NULL;
}
/* find the .def import library for a given dll */
static char *find_library( const char *name )
{
char *fullname;
int i;
for (i = 0; i < nb_lib_paths; i++)
{
if ((fullname = try_library_path( lib_path[i], name ))) return fullname;
}
fatal_error( "could not open .def file for %s\n", name );
return NULL;
}
/* read in the list of exported symbols of an import library */
static int read_import_lib( struct import *imp )
{
FILE *f;
int i, ret;
struct stat stat;
struct import *prev_imp;
DLLSPEC *spec = imp->spec;
f = open_input_file( NULL, imp->full_name );
fstat( fileno(f), &stat );
imp->dev = stat.st_dev;
imp->ino = stat.st_ino;
ret = parse_def_file( f, spec );
close_input_file( f );
if (!ret) return 0;
/* check if we already imported that library from a different file */
if ((prev_imp = is_already_imported( spec->file_name )))
{
if (prev_imp->dev != imp->dev || prev_imp->ino != imp->ino)
fatal_error( "%s and %s have the same export name '%s'\n",
prev_imp->full_name, imp->full_name, spec->file_name );
return 0; /* the same file was already loaded, ignore this one */
}
if (is_delayed_import( spec->file_name ))
{
imp->delay = 1;
nb_delayed++;
}
imp->exports = xmalloc( spec->nb_entry_points * sizeof(*imp->exports) );
for (i = 0; i < spec->nb_entry_points; i++)
{
ORDDEF *odp = &spec->entry_points[i];
if (odp->type != TYPE_STDCALL && odp->type != TYPE_CDECL) continue;
if (odp->flags & FLAG_PRIVATE) continue;
imp->exports[imp->nb_exports++] = odp;
}
imp->exports = xrealloc( imp->exports, imp->nb_exports * sizeof(*imp->exports) );
if (imp->nb_exports)
qsort( imp->exports, imp->nb_exports, sizeof(*imp->exports), func_cmp );
return 1;
}
/* build the dll exported name from the import lib name or path */
static char *get_dll_name( const char *name, const char *filename )
{
char *ret;
if (filename)
{
const char *basename = strrchr( filename, '/' );
if (!basename) basename = filename;
else basename++;
if (!strncmp( basename, "lib", 3 )) basename += 3;
ret = xmalloc( strlen(basename) + 5 );
strcpy( ret, basename );
if (strendswith( ret, ".def" )) ret[strlen(ret)-4] = 0;
}
else
{
ret = xmalloc( strlen(name) + 5 );
strcpy( ret, name );
}
if (!strchr( ret, '.' )) strcat( ret, ".dll" );
return ret;
}
/* add a dll to the list of imports */
void add_import_dll( const char *name, const char *filename )
{
struct import *imp = xmalloc( sizeof(*imp) );
imp->spec = alloc_dll_spec();
imp->spec->file_name = get_dll_name( name, filename );
imp->delay = 0;
imp->imports = NULL;
imp->nb_imports = 0;
imp->exports = NULL;
imp->nb_exports = 0;
if (filename) imp->full_name = xstrdup( filename );
else imp->full_name = find_library( name );
if (read_import_lib( imp ))
{
dll_imports = xrealloc( dll_imports, (nb_imports+1) * sizeof(*dll_imports) );
dll_imports[nb_imports++] = imp;
}
else
{
free_imports( imp );
if (nb_errors) exit(1);
}
}
/* add a library to the list of delayed imports */
void add_delayed_import( const char *name )
{
struct import *imp;
char *fullname = get_dll_name( name, NULL );
delayed_imports = xrealloc( delayed_imports, (nb_delayed_imports+1) * sizeof(*delayed_imports) );
delayed_imports[nb_delayed_imports++] = fullname;
if ((imp = is_already_imported( fullname )) && !imp->delay)
{
imp->delay = 1;
nb_delayed++;
}
}
/* remove an imported dll, based on its index in the dll_imports array */
static void remove_import_dll( int index )
{
struct import *imp = dll_imports[index];
memmove( &dll_imports[index], &dll_imports[index+1], sizeof(imp) * (nb_imports - index - 1) );
nb_imports--;
if (imp->delay) nb_delayed--;
free_imports( imp );
}
/* initialize the list of ignored symbols */
static void init_ignored_symbols(void)
{
int i;
nb_ignore_symbols = sizeof(default_ignored_symbols)/sizeof(default_ignored_symbols[0]);
ignore_size = nb_ignore_symbols + 32;
ignore_symbols = xmalloc( ignore_size * sizeof(*ignore_symbols) );
for (i = 0; i < nb_ignore_symbols; i++)
ignore_symbols[i] = xstrdup( default_ignored_symbols[i] );
}
/* add a symbol to the ignored symbol list */
/* if the name starts with '-' the symbol is removed instead */
void add_ignore_symbol( const char *name )
{
int i;
if (!ignore_symbols) init_ignored_symbols(); /* first time around, fill list with defaults */
if (name[0] == '-') /* remove it */
{
if (!name[1]) /* remove everything */
{
for (i = 0; i < nb_ignore_symbols; i++) free( ignore_symbols[i] );
nb_ignore_symbols = 0;
}
else
{
for (i = 0; i < nb_ignore_symbols; i++)
{
if (!strcmp( ignore_symbols[i], name+1 ))
{
free( ignore_symbols[i] );
memmove( &ignore_symbols[i], &ignore_symbols[i+1], nb_ignore_symbols - i - 1 );
nb_ignore_symbols--;
}
}
}
}
else
{
if (nb_ignore_symbols == ignore_size)
{
ignore_size += 32;
ignore_symbols = xrealloc( ignore_symbols, ignore_size * sizeof(*ignore_symbols) );
}
ignore_symbols[nb_ignore_symbols++] = xstrdup( name );
}
}
/* add a function to the list of imports from a given dll */
static void add_import_func( struct import *imp, ORDDEF *func )
{
imp->imports = xrealloc( imp->imports, (imp->nb_imports+1) * sizeof(*imp->imports) );
imp->imports[imp->nb_imports++] = func;
total_imports++;
if (imp->delay) total_delayed++;
}
/* add a symbol to the undef list */
inline static void add_undef_symbol( const char *name )
{
if (nb_undef_symbols == undef_size)
{
undef_size += 128;
undef_symbols = xrealloc( undef_symbols, undef_size * sizeof(*undef_symbols) );
}
undef_symbols[nb_undef_symbols++] = xstrdup( name );
}
/* remove all the holes in the undefined symbol list; return the number of removed symbols */
static int remove_symbol_holes(void)
{
int i, off;
for (i = off = 0; i < nb_undef_symbols; i++)
{
if (!undef_symbols[i]) off++;
else undef_symbols[i - off] = undef_symbols[i];
}
nb_undef_symbols -= off;
return off;
}
/* add a symbol to the extra list, but only if needed */
static int add_extra_symbol( const char **extras, int *count, const char *name, const DLLSPEC *spec )
{
int i;
if (!find_symbol( name, undef_symbols, nb_undef_symbols ))
{
/* check if the symbol is being exported by this dll */
for (i = 0; i < spec->nb_entry_points; i++)
{
ORDDEF *odp = &spec->entry_points[i];
if (odp->type == TYPE_STDCALL ||
odp->type == TYPE_CDECL ||
odp->type == TYPE_VARARGS ||
odp->type == TYPE_EXTERN)
{
if (odp->name && !strcmp( odp->name, name )) return 0;
}
}
extras[*count] = name;
(*count)++;
}
return 1;
}
/* add the extra undefined symbols that will be contained in the generated spec file itself */
static void add_extra_undef_symbols( const DLLSPEC *spec )
{
const char *extras[10];
int i, count = 0, nb_stubs = 0;
int kernel_imports = 0, ntdll_imports = 0;
sort_symbols( undef_symbols, nb_undef_symbols );
for (i = 0; i < spec->nb_entry_points; i++)
{
ORDDEF *odp = &spec->entry_points[i];
if (odp->type == TYPE_STUB) nb_stubs++;
}
/* add symbols that will be contained in the spec file itself */
if (!(spec->characteristics & IMAGE_FILE_DLL))
{
switch (spec->subsystem)
{
case IMAGE_SUBSYSTEM_WINDOWS_GUI:
case IMAGE_SUBSYSTEM_WINDOWS_CUI:
kernel_imports += add_extra_symbol( extras, &count, "GetCommandLineA", spec );
kernel_imports += add_extra_symbol( extras, &count, "GetStartupInfoA", spec );
kernel_imports += add_extra_symbol( extras, &count, "GetModuleHandleA", spec );
kernel_imports += add_extra_symbol( extras, &count, "ExitProcess", spec );
break;
}
}
if (nb_delayed)
{
kernel_imports += add_extra_symbol( extras, &count, "LoadLibraryA", spec );
kernel_imports += add_extra_symbol( extras, &count, "FreeLibrary", spec );
kernel_imports += add_extra_symbol( extras, &count, "GetProcAddress", spec );
kernel_imports += add_extra_symbol( extras, &count, "RaiseException", spec );
}
if (nb_stubs)
ntdll_imports += add_extra_symbol( extras, &count, "RtlRaiseException", spec );
/* make sure we import the dlls that contain these functions */
if (kernel_imports) add_import_dll( "kernel32", NULL );
if (ntdll_imports) add_import_dll( "ntdll", NULL );
if (count)
{
for (i = 0; i < count; i++) add_undef_symbol( extras[i] );
sort_symbols( undef_symbols, nb_undef_symbols );
}
}
/* check if a given imported dll is not needed, taking forwards into account */
static int check_unused( const struct import* imp, const DLLSPEC *spec )
{
int i;
const char *file_name = imp->spec->file_name;
size_t len = strlen( file_name );
const char *p = strchr( file_name, '.' );
if (p && !strcasecmp( p, ".dll" )) len = p - file_name;
for (i = spec->base; i <= spec->limit; i++)
{
ORDDEF *odp = spec->ordinals[i];
if (!odp || !(odp->flags & FLAG_FORWARD)) continue;
if (!strncasecmp( odp->link_name, file_name, len ) &&
odp->link_name[len] == '.')
return 0; /* found a forward, it is used */
}
return 1;
}
/* combine a list of object files with ld into a single object file */
/* returns the name of the combined file */
static const char *ldcombine_files( char **argv )
{
int i, len = 0;
char *cmd;
int fd, err;
if (output_file_name && output_file_name[0])
{
ld_tmp_file = xmalloc( strlen(output_file_name) + 10 );
strcpy( ld_tmp_file, output_file_name );
strcat( ld_tmp_file, ".XXXXXX.o" );
}
else ld_tmp_file = xstrdup( "/tmp/winebuild.tmp.XXXXXX.o" );
if ((fd = mkstemps( ld_tmp_file, 2 ) == -1)) fatal_error( "could not generate a temp file\n" );
close( fd );
atexit( remove_ld_tmp_file );
for (i = 0; argv[i]; i++) len += strlen(argv[i]) + 1;
cmd = xmalloc( len + strlen(ld_tmp_file) + 8 + strlen(ld_command) );
sprintf( cmd, "%s -r -o %s", ld_command, ld_tmp_file );
for (i = 0; argv[i]; i++) sprintf( cmd + strlen(cmd), " %s", argv[i] );
err = system( cmd );
if (err) fatal_error( "%s -r failed with status %d\n", ld_command, err );
free( cmd );
return ld_tmp_file;
}
/* read in the list of undefined symbols */
void read_undef_symbols( char **argv )
{
static const char name_prefix[] = __ASM_NAME("");
static const int prefix_len = sizeof(name_prefix) - 1;
FILE *f;
char *cmd, buffer[1024];
int err;
const char *name;
if (!argv[0]) return;
undef_size = nb_undef_symbols = 0;
/* if we have multiple object files, link them together */
if (argv[1]) name = ldcombine_files( argv );
else name = argv[0];
cmd = xmalloc( strlen(nm_command) + strlen(name) + 5 );
sprintf( cmd, "%s -u %s", nm_command, name );
if (!(f = popen( cmd, "r" )))
fatal_error( "Cannot execute '%s'\n", cmd );
while (fgets( buffer, sizeof(buffer), f ))
{
char *p = buffer + strlen(buffer) - 1;
if (p < buffer) continue;
if (*p == '\n') *p-- = 0;
2003-04-10 20:36:40 +02:00
p = buffer;
while (*p == ' ') p++;
if (p[0] == 'U' && p[1] == ' ' && p[2]) p += 2;
if (prefix_len && !strncmp( p, name_prefix, prefix_len )) p += prefix_len;
add_undef_symbol( p );
}
if ((err = pclose( f ))) warning( "%s failed with status %d\n", cmd, err );
free( cmd );
}
static void remove_ignored_symbols(void)
{
int i;
if (!ignore_symbols) init_ignored_symbols();
sort_symbols( ignore_symbols, nb_ignore_symbols );
for (i = 0; i < nb_undef_symbols; i++)
{
if (find_symbol( undef_symbols[i], ignore_symbols, nb_ignore_symbols ))
{
free( undef_symbols[i] );
undef_symbols[i] = NULL;
}
}
remove_symbol_holes();
}
/* resolve the imports for a Win32 module */
int resolve_imports( DLLSPEC *spec )
{
int i, j;
if (nb_undef_symbols == -1) return 0; /* no symbol file specified */
add_extra_undef_symbols( spec );
remove_ignored_symbols();
for (i = 0; i < nb_imports; i++)
{
struct import *imp = dll_imports[i];
for (j = 0; j < nb_undef_symbols; j++)
{
ORDDEF *odp = find_export( undef_symbols[j], imp->exports, imp->nb_exports );
if (odp)
{
add_import_func( imp, odp );
free( undef_symbols[j] );
undef_symbols[j] = NULL;
}
}
/* remove all the holes in the undef symbols list */
if (!remove_symbol_holes() && check_unused( imp, spec ))
{
/* the dll is not used, get rid of it */
warning( "%s imported but no symbols used\n", imp->spec->file_name );
remove_import_dll( i );
i--;
}
}
return 1;
}
/* output the import table of a Win32 module */
static int output_immediate_imports( FILE *outfile )
{
int i, j, nb_imm = nb_imports - nb_delayed;
if (!nb_imm) return 0;
/* main import header */
fprintf( outfile, "\nstatic struct {\n" );
fprintf( outfile, " struct {\n" );
fprintf( outfile, " void *OriginalFirstThunk;\n" );
fprintf( outfile, " unsigned int TimeDateStamp;\n" );
fprintf( outfile, " unsigned int ForwarderChain;\n" );
fprintf( outfile, " const char *Name;\n" );
fprintf( outfile, " void *FirstThunk;\n" );
fprintf( outfile, " } imp[%d];\n", nb_imm+1 );
fprintf( outfile, " const char *data[%d];\n",
total_imports - total_delayed + nb_imm );
fprintf( outfile, "} imports = {\n {\n" );
/* list of dlls */
for (i = j = 0; i < nb_imports; i++)
{
if (dll_imports[i]->delay) continue;
fprintf( outfile, " { 0, 0, 0, \"%s\", &imports.data[%d] },\n",
dll_imports[i]->spec->file_name, j );
j += dll_imports[i]->nb_imports + 1;
}
fprintf( outfile, " { 0, 0, 0, 0, 0 },\n" );
fprintf( outfile, " },\n {\n" );
/* list of imported functions */
for (i = 0; i < nb_imports; i++)
{
if (dll_imports[i]->delay) continue;
fprintf( outfile, " /* %s */\n", dll_imports[i]->spec->file_name );
for (j = 0; j < dll_imports[i]->nb_imports; j++)
{
ORDDEF *odp = dll_imports[i]->imports[j];
if (!(odp->flags & FLAG_NONAME))
{
unsigned short ord = odp->ordinal;
fprintf( outfile, " \"\\%03o\\%03o%s\",\n",
*(unsigned char *)&ord, *((unsigned char *)&ord + 1), odp->name );
}
else
fprintf( outfile, " (char *)%d,\n", odp->ordinal );
}
fprintf( outfile, " 0,\n" );
}
fprintf( outfile, " }\n};\n\n" );
return nb_imm;
}
/* output the import thunks of a Win32 module */
static void output_immediate_import_thunks( FILE *outfile )
{
int i, j, pos;
int nb_imm = nb_imports - nb_delayed;
static const char import_thunks[] = "__wine_spec_import_thunks";
if (!nb_imm) return;
pos = (sizeof(void *) + 2*sizeof(unsigned int) + sizeof(const char *) + sizeof(void *)) *
(nb_imm + 1); /* offset of imports.data from start of imports */
fprintf( outfile, "/* immediate import thunks */\n" );
fprintf( outfile, "asm(\".text\\n\\t.align %d\\n\"\n", get_alignment(8) );
fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\"\n", import_thunks);
for (i = 0; i < nb_imports; i++)
{
if (dll_imports[i]->delay) continue;
for (j = 0; j < dll_imports[i]->nb_imports; j++, pos += sizeof(const char *))
{
ORDDEF *odp = dll_imports[i]->imports[j];
const char *name = odp->name ? odp->name : odp->export_name;
fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", name );
fprintf( outfile, " \"\\t.globl " __ASM_NAME("%s") "\\n\"\n", name );
fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\\t", name);
#if defined(__i386__)
if (strstr( name, "__wine_call_from_16" ))
fprintf( outfile, ".byte 0x2e\\n\\tjmp *(imports+%d)\\n\\tnop\\n", pos );
else
fprintf( outfile, "jmp *(imports+%d)\\n\\tmovl %%esi,%%esi\\n", pos );
#elif defined(__sparc__)
if ( !UsePIC )
{
fprintf( outfile, "sethi %%hi(imports+%d), %%g1\\n\\t", pos );
fprintf( outfile, "ld [%%g1+%%lo(imports+%d)], %%g1\\n\\t", pos );
fprintf( outfile, "jmp %%g1\\n\\tnop\\n" );
}
else
{
/* Hmpf. Stupid sparc assembler always interprets global variable
names as GOT offsets, so we have to do it the long way ... */
fprintf( outfile, "save %%sp, -96, %%sp\\n" );
fprintf( outfile, "0:\\tcall 1f\\n\\tnop\\n" );
fprintf( outfile, "1:\\tsethi %%hi(imports+%d-0b), %%g1\\n\\t", pos );
fprintf( outfile, "or %%g1, %%lo(imports+%d-0b), %%g1\\n\\t", pos );
fprintf( outfile, "ld [%%g1+%%o7], %%g1\\n\\t" );
fprintf( outfile, "jmp %%g1\\n\\trestore\\n" );
}
#elif defined(__powerpc__)
fprintf(outfile, "\taddi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
fprintf(outfile, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[9], ppc_reg[1]);
fprintf(outfile, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
fprintf(outfile, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[8], ppc_reg[1]);
fprintf(outfile, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
fprintf(outfile, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[7], ppc_reg[1]);
fprintf(outfile, "\t\"\\tlis %s, " ppc_high(__ASM_NAME("imports") "+ %d") "\\n\"\n", ppc_reg[9], pos);
fprintf(outfile, "\t\"\\tla %s, " ppc_low (__ASM_NAME("imports") "+ %d") "(%s)\\n\"\n", ppc_reg[8], pos, ppc_reg[9]);
fprintf(outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[7], ppc_reg[8]);
fprintf(outfile, "\t\"\\tmtctr %s\\n\"\n", ppc_reg[7]);
fprintf(outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[7], ppc_reg[1]);
fprintf(outfile, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
fprintf(outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[8], ppc_reg[1]);
fprintf(outfile, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
fprintf(outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[9], ppc_reg[1]);
fprintf(outfile, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
fprintf(outfile, "\t\"\\tbctr\\n");
#elif defined(__ALPHA__)
fprintf( outfile, "\tlda $0,imports\\n\"\n" );
fprintf( outfile, "\t\"\\tlda $0,%d($0)\\n\"\n", pos);
fprintf( outfile, "\t\"\\tjmp $31,($0)\\n" );
#else
#error You need to define import thunks for your architecture!
#endif
fprintf( outfile, "\"\n" );
output_function_size( outfile, name );
}
pos += 4;
}
output_function_size( outfile, import_thunks );
fprintf( outfile, ");\n" );
}
/* output the delayed import table of a Win32 module */
static int output_delayed_imports( FILE *outfile, const DLLSPEC *spec )
{
int i, j;
if (!nb_delayed) return 0;
fprintf( outfile, "static void *__wine_delay_imp_hmod[%d];\n", nb_delayed );
for (i = 0; i < nb_imports; i++)
{
if (!dll_imports[i]->delay) continue;
for (j = 0; j < dll_imports[i]->nb_imports; j++)
{
ORDDEF *odp = dll_imports[i]->imports[j];
const char *name = odp->name ? odp->name : odp->export_name;
fprintf( outfile, "void __wine_delay_imp_%d_%s();\n", i, name );
}
}
fprintf( outfile, "\n" );
fprintf( outfile, "static struct {\n" );
fprintf( outfile, " struct ImgDelayDescr {\n" );
fprintf( outfile, " unsigned int grAttrs;\n" );
fprintf( outfile, " const char *szName;\n" );
fprintf( outfile, " void **phmod;\n" );
fprintf( outfile, " void **pIAT;\n" );
fprintf( outfile, " const char **pINT;\n" );
fprintf( outfile, " void* pBoundIAT;\n" );
fprintf( outfile, " void* pUnloadIAT;\n" );
fprintf( outfile, " unsigned long dwTimeStamp;\n" );
fprintf( outfile, " } imp[%d];\n", nb_delayed );
fprintf( outfile, " void *IAT[%d];\n", total_delayed );
fprintf( outfile, " const char *INT[%d];\n", total_delayed );
fprintf( outfile, "} delay_imports = {\n" );
fprintf( outfile, " {\n" );
for (i = j = 0; i < nb_imports; i++)
{
if (!dll_imports[i]->delay) continue;
fprintf( outfile, " { 0, \"%s\", &__wine_delay_imp_hmod[%d], &delay_imports.IAT[%d], &delay_imports.INT[%d], 0, 0, 0 },\n",
dll_imports[i]->spec->file_name, i, j, j );
j += dll_imports[i]->nb_imports;
}
fprintf( outfile, " },\n {\n" );
for (i = 0; i < nb_imports; i++)
{
if (!dll_imports[i]->delay) continue;
fprintf( outfile, " /* %s */\n", dll_imports[i]->spec->file_name );
for (j = 0; j < dll_imports[i]->nb_imports; j++)
{
ORDDEF *odp = dll_imports[i]->imports[j];
const char *name = odp->name ? odp->name : odp->export_name;
fprintf( outfile, " &__wine_delay_imp_%d_%s,\n", i, name );
}
}
fprintf( outfile, " },\n {\n" );
for (i = 0; i < nb_imports; i++)
{
if (!dll_imports[i]->delay) continue;
fprintf( outfile, " /* %s */\n", dll_imports[i]->spec->file_name );
for (j = 0; j < dll_imports[i]->nb_imports; j++)
{
ORDDEF *odp = dll_imports[i]->imports[j];
if (!odp->name)
fprintf( outfile, " (char *)%d,\n", odp->ordinal );
else
fprintf( outfile, " \"%s\",\n", odp->name );
}
}
fprintf( outfile, " }\n};\n\n" );
fprintf( outfile, "extern void __stdcall RaiseException(unsigned int, unsigned int, unsigned int, const void *args[]);\n" );
fprintf( outfile, "extern void * __stdcall LoadLibraryA(const char*);\n");
fprintf( outfile, "extern void * __stdcall GetProcAddress(void *, const char*);\n");
fprintf( outfile, "\n" );
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fprintf( outfile, "void *__stdcall __wine_delay_load( int idx_nr )\n" );
fprintf( outfile, "{\n" );
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fprintf( outfile, " int idx = idx_nr >> 16, nr = idx_nr & 0xffff;\n" );
fprintf( outfile, " struct ImgDelayDescr *imd = delay_imports.imp + idx;\n" );
fprintf( outfile, " void **pIAT = imd->pIAT + nr;\n" );
fprintf( outfile, " const char** pINT = imd->pINT + nr;\n" );
fprintf( outfile, " void *fn;\n\n" );
fprintf( outfile, " if (!*imd->phmod) *imd->phmod = LoadLibraryA(imd->szName);\n" );
fprintf( outfile, " if (*imd->phmod && (fn = GetProcAddress(*imd->phmod, *pINT)))\n");
fprintf( outfile, " /* patch IAT with final value */\n" );
fprintf( outfile, " return *pIAT = fn;\n" );
fprintf( outfile, " else {\n");
fprintf( outfile, " const void *args[2];\n" );
fprintf( outfile, " args[0] = imd->szName;\n" );
fprintf( outfile, " args[1] = *pINT;\n" );
fprintf( outfile, " RaiseException( 0x%08x, %d, 2, args );\n",
EXCEPTION_WINE_STUB, EH_NONCONTINUABLE );
fprintf( outfile, " return 0;\n" );
fprintf( outfile, " }\n}\n" );
return nb_delayed;
}
/* output the delayed import thunks of a Win32 module */
static void output_delayed_import_thunks( FILE *outfile, const DLLSPEC *spec )
{
int i, idx, j, pos;
static const char delayed_import_loaders[] = "__wine_spec_delayed_import_loaders";
static const char delayed_import_thunks[] = "__wine_spec_delayed_import_thunks";
if (!nb_delayed) return;
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fprintf( outfile, "/* delayed import thunks */\n" );
fprintf( outfile, "asm(\".text\\n\"\n" );
fprintf( outfile, " \"\\t.align %d\\n\"\n", get_alignment(8) );
fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\"\n", delayed_import_loaders);
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fprintf( outfile, " \"\\t" __ASM_FUNC("__wine_delay_load_asm") "\\n\"\n" );
fprintf( outfile, " \"" __ASM_NAME("__wine_delay_load_asm") ":\\n\"\n" );
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#if defined(__i386__)
fprintf( outfile, " \"\\tpushl %%ecx\\n\\tpushl %%edx\\n\\tpushl %%eax\\n\"\n" );
fprintf( outfile, " \"\\tcall __wine_delay_load\\n\"\n" );
fprintf( outfile, " \"\\tpopl %%edx\\n\\tpopl %%ecx\\n\\tjmp *%%eax\\n\"\n" );
#elif defined(__sparc__)
fprintf( outfile, " \"\\tsave %%sp, -96, %%sp\\n\"\n" );
fprintf( outfile, " \"\\tcall __wine_delay_load\\n\"\n" );
fprintf( outfile, " \"\\tmov %%g1, %%o0\\n\"\n" );
fprintf( outfile, " \"\\tjmp %%o0\\n\\trestore\\n\"\n" );
#elif defined(__powerpc__)
# if defined(__APPLE__)
/* On darwin an extra 56 bytes must be allowed for the linkage area+param area */
# define extra_stack_storage 56
# else
# define extra_stack_storage 0
# endif
/* Save all callee saved registers into a stackframe. */
fprintf( outfile, " \"\\tstwu %s, -%d(%s)\\n\"\n",ppc_reg[1], 48+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[3], 4+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[4], 8+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[5], 12+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[6], 16+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[7], 20+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[8], 24+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[9], 28+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[10],32+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[11],36+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[12],40+extra_stack_storage, ppc_reg[1]);
/* r0 -> r3 (arg1) */
fprintf( outfile, " \"\\tmr %s, %s\\n\"\n", ppc_reg[3], ppc_reg[0]);
/* save return address */
fprintf( outfile, " \"\\tmflr %s\\n\"\n", ppc_reg[0]);
fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[0], 44+extra_stack_storage, ppc_reg[1]);
/* Call the __wine_delay_load function, arg1 is arg1. */
fprintf( outfile, " \"\\tbl " __ASM_NAME("__wine_delay_load") "\\n\"\n");
/* Load return value from call into ctr register */
fprintf( outfile, " \"\\tmtctr %s\\n\"\n", ppc_reg[3]);
/* restore all saved registers and drop stackframe. */
fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[3], 4+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[4], 8+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[5], 12+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[6], 16+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[7], 20+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[8], 24+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[9], 28+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[10],32+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[11],36+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[12],40+extra_stack_storage, ppc_reg[1]);
/* Load return value from call into return register */
fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[0], 44+extra_stack_storage, ppc_reg[1]);
fprintf( outfile, " \"\\tmtlr %s\\n\"\n", ppc_reg[0]);
fprintf( outfile, " \"\\taddi %s, %s, %d\\n\"\n", ppc_reg[1], ppc_reg[1], 48+extra_stack_storage);
/* branch to ctr register. */
fprintf( outfile, " \"bctr\\n\"\n");
#elif defined(__ALPHA__)
fprintf( outfile, " \"\\tjsr $26,__wine_delay_load\\n\"\n" );
fprintf( outfile, " \"\\tjmp $31,($0)\\n\"\n" );
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#else
#error You need to defined delayed import thunks for your architecture!
#endif
output_function_size( outfile, "__wine_delay_load_asm" );
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for (i = idx = 0; i < nb_imports; i++)
{
if (!dll_imports[i]->delay) continue;
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for (j = 0; j < dll_imports[i]->nb_imports; j++)
{
char buffer[128];
ORDDEF *odp = dll_imports[i]->imports[j];
const char *name = odp->name ? odp->name : odp->export_name;
sprintf( buffer, "__wine_delay_imp_%d_%s", i, name );
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fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", buffer );
fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\"\n", buffer );
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#if defined(__i386__)
fprintf( outfile, " \"\\tmovl $%d, %%eax\\n\"\n", (idx << 16) | j );
fprintf( outfile, " \"\\tjmp __wine_delay_load_asm\\n\"\n" );
#elif defined(__sparc__)
fprintf( outfile, " \"\\tset %d, %%g1\\n\"\n", (idx << 16) | j );
fprintf( outfile, " \"\\tb,a __wine_delay_load_asm\\n\"\n" );
#elif defined(__powerpc__)
#ifdef __APPLE__
/* On Darwin we can use r0 and r2 */
/* Upper part in r2 */
fprintf( outfile, " \"\\tlis %s, %d\\n\"\n", ppc_reg[2], idx);
/* Lower part + r2 -> r0, Note we can't use r0 directly */
fprintf( outfile, " \"\\taddi %s, %s, %d\\n\"\n", ppc_reg[0], ppc_reg[2], j);
fprintf( outfile, " \"\\tb " __ASM_NAME("__wine_delay_load_asm") "\\n\"\n");
#else /* __APPLE__ */
/* On linux we can't use r2 since r2 is not a scratch register (hold the TOC) */
/* Save r13 on the stack */
fprintf( outfile, " \"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
fprintf( outfile, " \"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[13], ppc_reg[1]);
/* Upper part in r13 */
fprintf( outfile, " \"\\tlis %s, %d\\n\"\n", ppc_reg[13], idx);
/* Lower part + r13 -> r0, Note we can't use r0 directly */
fprintf( outfile, " \"\\taddi %s, %s, %d\\n\"\n", ppc_reg[0], ppc_reg[13], j);
/* Restore r13 */
fprintf( outfile, " \"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[13], ppc_reg[1]);
fprintf( outfile, " \"\\taddic %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
fprintf( outfile, " \"\\tb " __ASM_NAME("__wine_delay_load_asm") "\\n\"\n");
#endif /* __APPLE__ */
#elif defined(__ALPHA__)
fprintf( outfile, " \"\\tlda $0,%d($31)\\n\"\n", j);
fprintf( outfile, " \"\\tldah $0,%d($0)\\n\"\n", idx);
fprintf( outfile, " \"\\tjmp $31,__wine_delay_load_asm\\n\"\n" );
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#else
#error You need to defined delayed import thunks for your architecture!
#endif
output_function_size( outfile, name );
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}
idx++;
}
output_function_size( outfile, delayed_import_loaders );
fprintf( outfile, "\n \".align %d\\n\"\n", get_alignment(8) );
fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\"\n", delayed_import_thunks);
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pos = nb_delayed * 32;
for (i = 0; i < nb_imports; i++)
{
if (!dll_imports[i]->delay) continue;
for (j = 0; j < dll_imports[i]->nb_imports; j++, pos += 4)
{
ORDDEF *odp = dll_imports[i]->imports[j];
const char *name = odp->name ? odp->name : odp->export_name;
fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", name );
fprintf( outfile, " \"\\t.globl " __ASM_NAME("%s") "\\n\"\n", name );
fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\\t\"", name );
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#if defined(__i386__)
if (strstr( name, "__wine_call_from_16" ))
fprintf( outfile, "\".byte 0x2e\\n\\tjmp *(delay_imports+%d)\\n\\tnop\\n\"", pos );
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else
fprintf( outfile, "\"jmp *(delay_imports+%d)\\n\\tmovl %%esi,%%esi\\n\"", pos );
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#elif defined(__sparc__)
if ( !UsePIC )
{
fprintf( outfile, "\"sethi %%hi(delay_imports+%d), %%g1\\n\\t\"", pos );
fprintf( outfile, "\"ld [%%g1+%%lo(delay_imports+%d)], %%g1\\n\\t\"", pos );
fprintf( outfile, "\"jmp %%g1\\n\\tnop\\n\"" );
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}
else
{
/* Hmpf. Stupid sparc assembler always interprets global variable
names as GOT offsets, so we have to do it the long way ... */
fprintf( outfile, "\"save %%sp, -96, %%sp\\n\"" );
fprintf( outfile, "\"0:\\tcall 1f\\n\\tnop\\n\"" );
fprintf( outfile, "\"1:\\tsethi %%hi(delay_imports+%d-0b), %%g1\\n\\t\"", pos );
fprintf( outfile, "\"or %%g1, %%lo(delay_imports+%d-0b), %%g1\\n\\t\"", pos );
fprintf( outfile, "\"ld [%%g1+%%o7], %%g1\\n\\t\"" );
fprintf( outfile, "\"jmp %%g1\\n\\trestore\\n\"" );
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}
#elif defined(__powerpc__)
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fprintf( outfile, "\t\"addi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
fprintf( outfile, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[9], ppc_reg[1]);
fprintf( outfile, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
fprintf( outfile, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[8], ppc_reg[1]);
fprintf( outfile, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
fprintf( outfile, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[7], ppc_reg[1]);
fprintf( outfile, "\t\"\\tlis %s, " ppc_high(__ASM_NAME("delay_imports") "+ %d") "\\n\"\n", ppc_reg[9], pos);
fprintf( outfile, "\t\"\\tla %s, " ppc_low (__ASM_NAME("delay_imports") "+ %d") "(%s)\\n\"\n", ppc_reg[8], pos, ppc_reg[9]);
fprintf( outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[7], ppc_reg[8]);
fprintf( outfile, "\t\"\\tmtctr %s\\n\"\n", ppc_reg[7]);
fprintf( outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[7], ppc_reg[1]);
fprintf( outfile, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
fprintf( outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[8], ppc_reg[1]);
fprintf( outfile, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
fprintf( outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[9], ppc_reg[1]);
fprintf( outfile, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
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fprintf( outfile, "\t\"\\tbctr\\n\"");
#elif defined(__ALPHA__)
fprintf( outfile, "\t\"lda $0,delay_imports\\n\"\n" );
fprintf( outfile, "\t\"\\tlda $0,%d($0)\\n\"\n", pos);
fprintf( outfile, "\t\"\\tjmp $31,($0)\\n\"" );
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#else
#error You need to define delayed import thunks for your architecture!
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#endif
fprintf( outfile, "\n" );
output_function_size( outfile, name );
}
}
output_function_size( outfile, delayed_import_thunks );
fprintf( outfile, ");\n" );
}
/* output the import and delayed import tables of a Win32 module
* returns number of DLLs exported in 'immediate' mode
*/
int output_imports( FILE *outfile, DLLSPEC *spec, int *nb_delayed )
{
*nb_delayed = output_delayed_imports( outfile, spec );
return output_immediate_imports( outfile );
}
/* output the import and delayed import thunks of a Win32 module */
void output_import_thunks( FILE *outfile, DLLSPEC *spec )
{
output_delayed_import_thunks( outfile, spec );
output_immediate_import_thunks( outfile );
}