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Sweden-Number/tools/winebuild/import.c

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/*
* DLL imports support
*
* Copyright 2000 Alexandre Julliard
* 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 <fcntl.h>
#include <stdio.h>
#include <string.h>
#include "build.h"
struct import
{
char *dll; /* dll name */
int delay; /* delay or not dll loading ? */
char **exports; /* functions exported from this dll */
int nb_exports; /* number of exported functions */
char **imports; /* functions we want to import from this dll */
int nb_imports; /* number of imported functions */
int lineno; /* line in .spec file where import is defined */
};
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 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 */
/* compare function names; helper for resolve_imports */
static int name_cmp( const void *name, const void *entry )
{
return strcmp( *(char **)name, *(char **)entry );
}
/* locate a symbol in a (sorted) list */
inline static const char *find_symbol( const char *name, char **table, int size )
{
char **res = NULL;
if (table) {
res = bsearch( &name, table, size, sizeof(*table), name_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 );
}
/* 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/%s", path, name );
strcat( buffer, ".so" );
/* check if the file exists */
if ((fd = open( buffer, O_RDONLY )) != -1)
{
close( fd );
return buffer;
}
free( buffer );
return NULL;
}
/* open the .so library for a given dll */
static char *open_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;
}
if (!(fullname = try_library_path( ".", name )))
fatal_error( "could not open .so file for %s\n", name );
return fullname;
}
/* read in the list of exported symbols of a .so */
static void read_exported_symbols( const char *name, struct import *imp )
{
FILE *f;
char buffer[1024];
char *fullname, *cmdline;
const char *ext;
int size, err;
imp->exports = NULL;
imp->nb_exports = size = 0;
if (!(ext = strrchr( name, '.' ))) ext = name + strlen(name);
if (!(fullname = open_library( name ))) return;
cmdline = xmalloc( strlen(fullname) + 7 );
sprintf( cmdline, "nm -D %s", fullname );
free( fullname );
if (!(f = popen( cmdline, "r" )))
fatal_error( "Cannot execute '%s'\n", cmdline );
while (fgets( buffer, sizeof(buffer), f ))
{
char *p = buffer + strlen(buffer) - 1;
if (p < buffer) continue;
if (*p == '\n') *p-- = 0;
if (!(p = strstr( buffer, "__wine_dllexport_" ))) continue;
p += 17;
if (strncmp( p, name, ext - name )) continue;
p += ext - name;
if (*p++ != '_') continue;
if (imp->nb_exports == size)
{
size += 128;
imp->exports = xrealloc( imp->exports, size * sizeof(*imp->exports) );
}
imp->exports[imp->nb_exports++] = xstrdup( p );
}
if ((err = pclose( f ))) fatal_error( "%s error %d\n", cmdline, err );
free( cmdline );
sort_symbols( imp->exports, imp->nb_exports );
}
/* add a dll to the list of imports */
void add_import_dll( const char *name, int delay )
{
struct import *imp;
char *fullname;
int i;
fullname = xmalloc( strlen(name) + 5 );
strcpy( fullname, name );
if (!strchr( fullname, '.' )) strcat( fullname, ".dll" );
/* check if we already imported it */
for (i = 0; i < nb_imports; i++)
{
if (!strcmp( dll_imports[i]->dll, fullname ))
{
free( fullname );
return;
}
}
imp = xmalloc( sizeof(*imp) );
imp->dll = fullname;
imp->delay = delay;
imp->imports = NULL;
imp->nb_imports = 0;
/* GetToken for the file name has swallowed the '\n', hence pointing to next line */
imp->lineno = current_line - 1;
if (delay) nb_delayed++;
read_exported_symbols( fullname, imp );
dll_imports = xrealloc( dll_imports, (nb_imports+1) * sizeof(*dll_imports) );
dll_imports[nb_imports++] = imp;
}
/* Add a symbol to the ignored symbol list */
void add_ignore_symbol( const char *name )
{
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, const char *name )
{
imp->imports = xrealloc( imp->imports, (imp->nb_imports+1) * sizeof(*imp->imports) );
imp->imports[imp->nb_imports++] = xstrdup( name );
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 )
{
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 < nb_entry_points; i++)
{
ORDDEF *odp = EntryPoints[i];
if (odp->type == TYPE_STDCALL ||
odp->type == TYPE_CDECL ||
odp->type == TYPE_VARARGS ||
odp->type == TYPE_EXTERN)
{
if (!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(void)
{
const char *extras[10];
int i, count = 0, nb_stubs = 0, nb_regs = 0;
int kernel_imports = 0, ntdll_imports = 0;
sort_symbols( undef_symbols, nb_undef_symbols );
for (i = 0; i < nb_entry_points; i++)
{
ORDDEF *odp = EntryPoints[i];
if (odp->type == TYPE_STUB) nb_stubs++;
if (odp->flags & FLAG_REGISTER) nb_regs++;
}
/* add symbols that will be contained in the spec file itself */
switch (SpecMode)
{
case SPEC_MODE_DLL:
break;
case SPEC_MODE_GUIEXE:
kernel_imports += add_extra_symbol( extras, &count, "GetCommandLineA" );
kernel_imports += add_extra_symbol( extras, &count, "GetStartupInfoA" );
kernel_imports += add_extra_symbol( extras, &count, "GetModuleHandleA" );
/* fall through */
case SPEC_MODE_CUIEXE:
kernel_imports += add_extra_symbol( extras, &count, "ExitProcess" );
break;
case SPEC_MODE_GUIEXE_UNICODE:
kernel_imports += add_extra_symbol( extras, &count, "GetCommandLineA" );
kernel_imports += add_extra_symbol( extras, &count, "GetStartupInfoA" );
kernel_imports += add_extra_symbol( extras, &count, "GetModuleHandleA" );
/* fall through */
case SPEC_MODE_CUIEXE_UNICODE:
kernel_imports += add_extra_symbol( extras, &count, "ExitProcess" );
break;
}
if (nb_delayed)
{
kernel_imports += add_extra_symbol( extras, &count, "LoadLibraryA" );
kernel_imports += add_extra_symbol( extras, &count, "GetProcAddress" );
}
if (nb_regs)
ntdll_imports += add_extra_symbol( extras, &count, "__wine_call_from_32_regs" );
if (nb_delayed || nb_stubs)
ntdll_imports += add_extra_symbol( extras, &count, "RtlRaiseException" );
/* make sure we import the dlls that contain these functions */
if (kernel_imports) add_import_dll( "kernel32", 0 );
if (ntdll_imports) add_import_dll( "ntdll", 0 );
if (count)
{
for (i = 0; i < count; i++) add_undef_symbol( extras[i] );
sort_symbols( undef_symbols, nb_undef_symbols );
}
}
/* warn if a given dll is not used, but check forwards first */
static void warn_unused( const struct import* imp )
{
int i, curline;
size_t len = strlen(imp->dll);
const char *p = strchr( imp->dll, '.' );
if (p && !strcasecmp( p, ".dll" )) len = p - imp->dll;
for (i = Base; i <= Limit; i++)
{
ORDDEF *odp = Ordinals[i];
if (!odp || odp->type != TYPE_FORWARD) continue;
if (!strncasecmp( odp->link_name, imp->dll, len ) &&
odp->link_name[len] == '.')
return; /* found an import, do not warn */
}
/* switch current_line temporarily to the line of the import declaration */
curline = current_line;
current_line = imp->lineno;
warning( "%s imported but no symbols used\n", imp->dll );
current_line = curline;
}
/* read in the list of undefined symbols */
void read_undef_symbols( const char *name )
{
FILE *f;
char buffer[1024];
int err;
undef_size = nb_undef_symbols = 0;
sprintf( buffer, "nm -u %s", name );
if (!(f = popen( buffer, "r" )))
fatal_error( "Cannot execute '%s'\n", buffer );
while (fgets( buffer, sizeof(buffer), f ))
{
char *p = buffer + strlen(buffer) - 1;
if (p < buffer) continue;
if (*p == '\n') *p-- = 0;
p = buffer; while (*p == ' ') p++;
add_undef_symbol( p );
}
if ((err = pclose( f ))) fatal_error( "nm -u %s error %d\n", name, err );
}
static void remove_ignored_symbols(void)
{
int i;
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( void )
{
int i, j;
if (nb_undef_symbols == -1) return 0; /* no symbol file specified */
add_extra_undef_symbols();
remove_ignored_symbols();
for (i = 0; i < nb_imports; i++)
{
struct import *imp = dll_imports[i];
for (j = 0; j < nb_undef_symbols; j++)
{
const char *res = find_symbol( undef_symbols[j], imp->exports, imp->nb_exports );
if (res)
{
add_import_func( imp, res );
free( undef_symbols[j] );
undef_symbols[j] = NULL;
}
}
/* remove all the holes in the undef symbols list */
if (!remove_symbol_holes()) warn_unused( imp );
}
return 1;
}
/* output the import table of a Win32 module */
static int output_immediate_imports( FILE *outfile )
{
int i, j, pos;
int nb_imm = nb_imports - nb_delayed;
if (!nb_imm) goto done;
/* 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]->dll, 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]->dll );
for (j = 0; j < dll_imports[i]->nb_imports; j++)
fprintf( outfile, " \"\\0\\0%s\",\n", dll_imports[i]->imports[j] );
fprintf( outfile, " 0,\n" );
}
fprintf( outfile, " }\n};\n\n" );
/* thunks for imported functions */
fprintf( outfile, "#ifndef __GNUC__\nstatic void __asm__dummy_import(void) {\n#endif\n\n" );
pos = 20 * (nb_imm + 1); /* offset of imports.data from start of imports */
fprintf( outfile, "asm(\".data\\n\\t.align %d\\n\"\n", get_alignment(8) );
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)
{
fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n",
dll_imports[i]->imports[j] );
fprintf( outfile, " \"\\t.globl " PREFIX "%s\\n\"\n",
dll_imports[i]->imports[j] );
fprintf( outfile, " \"" PREFIX "%s:\\n\\t", dll_imports[i]->imports[j] );
#if defined(__i386__)
if (strstr( dll_imports[i]->imports[j], "__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(__PPC__)
fprintf(outfile, "\taddi 1, 1, -0x4\\n\"\n");
fprintf(outfile, "\t\"\\tstw 9, 0(1)\\n\"\n");
fprintf(outfile, "\t\"\\taddi 1, 1, -0x4\\n\"\n");
fprintf(outfile, "\t\"\\tstw 8, 0(1)\\n\"\n");
fprintf(outfile, "\t\"\\taddi 1, 1, -0x4\\n\"\n");
fprintf(outfile, "\t\"\\tstw 7, 0(1)\\n\"\n");
fprintf(outfile, "\t\"\\tlis 9,imports+%d@ha\\n\"\n", pos);
fprintf(outfile, "\t\"\\tla 8,imports+%d@l(9)\\n\"\n", pos);
fprintf(outfile, "\t\"\\tlwz 7, 0(8)\\n\"\n");
fprintf(outfile, "\t\"\\tmtctr 7\\n\"\n");
fprintf(outfile, "\t\"\\tlwz 7, 0(1)\\n\"\n");
fprintf(outfile, "\t\"\\taddi 1, 1, 0x4\\n\"\n");
fprintf(outfile, "\t\"\\tlwz 8, 0(1)\\n\"\n");
fprintf(outfile, "\t\"\\taddi 1, 1, 0x4\\n\"\n");
fprintf(outfile, "\t\"\\tlwz 9, 0(1)\\n\"\n");
fprintf(outfile, "\t\"\\taddi 1, 1, 0x4\\n\"\n");
fprintf(outfile, "\t\"\\tbctr\\n");
#else
#error You need to define import thunks for your architecture!
#endif
fprintf( outfile, "\"\n" );
}
pos += 4;
}
fprintf( outfile, "\".previous\");\n#ifndef __GNUC__\n}\n#endif\n\n" );
done:
return nb_imm;
}
/* output the delayed import table of a Win32 module */
static int output_delayed_imports( FILE *outfile )
{
int i, idx, j, pos;
if (!nb_delayed) goto done;
for (i = 0; i < nb_imports; i++)
{
if (!dll_imports[i]->delay) continue;
fprintf( outfile, "static void *__wine_delay_imp_%d_hmod;\n", i);
for (j = 0; j < dll_imports[i]->nb_imports; j++)
{
fprintf( outfile, "void __wine_delay_imp_%d_%s();\n",
i, dll_imports[i]->imports[j] );
}
}
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_%d_hmod, &delay_imports.IAT[%d], &delay_imports.INT[%d], 0, 0, 0 },\n",
dll_imports[i]->dll, 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]->dll );
for (j = 0; j < dll_imports[i]->nb_imports; j++)
{
fprintf( outfile, " &__wine_delay_imp_%d_%s,\n", i, dll_imports[i]->imports[j] );
}
}
fprintf( outfile, " },\n {\n" );
for (i = 0; i < nb_imports; i++)
{
if (!dll_imports[i]->delay) continue;
fprintf( outfile, " /* %s */\n", dll_imports[i]->dll );
for (j = 0; j < dll_imports[i]->nb_imports; j++)
{
fprintf( outfile, " \"\\0\\0%s\",\n", dll_imports[i]->imports[j] );
}
}
fprintf( outfile, " }\n};\n\n" );
/* check if there's some stub defined. if so, exception struct
* is already defined, so don't emit it twice
*/
for (i = 0; i < nb_entry_points; i++) if (EntryPoints[i]->type == TYPE_STUB) break;
if (i == nb_entry_points) {
fprintf( outfile, "struct exc_record {\n" );
fprintf( outfile, " unsigned int code, flags;\n" );
fprintf( outfile, " void *rec, *addr;\n" );
fprintf( outfile, " unsigned int params;\n" );
fprintf( outfile, " const void *info[15];\n" );
fprintf( outfile, "};\n\n" );
fprintf( outfile, "extern void __stdcall RtlRaiseException( struct exc_record * );\n" );
}
fprintf( outfile, "extern void * __stdcall LoadLibraryA(const char*);\n");
fprintf( outfile, "extern void * __stdcall GetProcAddress(void *, const char*);\n");
fprintf( outfile, "\n" );
fprintf( outfile, "void *__stdcall __wine_delay_load( int idx_nr )\n" );
fprintf( outfile, "{\n" );
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 + 2)))\n");
fprintf( outfile, " /* patch IAT with final value */\n" );
fprintf( outfile, " return *pIAT = fn;\n" );
fprintf( outfile, " else {\n");
fprintf( outfile, " struct exc_record rec;\n" );
fprintf( outfile, " rec.code = 0x80000100;\n" );
fprintf( outfile, " rec.flags = 1;\n" );
fprintf( outfile, " rec.rec = 0;\n" );
fprintf( outfile, " rec.params = 2;\n" );
fprintf( outfile, " rec.info[0] = imd->szName;\n" );
fprintf( outfile, " rec.info[1] = *pINT + 2;\n" );
fprintf( outfile, "#ifdef __GNUC__\n" );
fprintf( outfile, " rec.addr = __builtin_return_address(1);\n" );
fprintf( outfile, "#else\n" );
fprintf( outfile, " rec.addr = 0;\n" );
fprintf( outfile, "#endif\n" );
fprintf( outfile, " for (;;) RtlRaiseException( &rec );\n" );
fprintf( outfile, " return 0; /* shouldn't go here */\n" );
fprintf( outfile, " }\n}\n\n" );
fprintf( outfile, "#ifndef __GNUC__\n" );
fprintf( outfile, "static void __asm__dummy_delay_import(void) {\n" );
fprintf( outfile, "#endif\n" );
fprintf( outfile, "asm(\".align %d\\n\"\n", get_alignment(8) );
fprintf( outfile, " \"\\t" __ASM_FUNC("__wine_delay_load_asm") "\\n\"\n" );
fprintf( outfile, " \"" PREFIX "__wine_delay_load_asm:\\n\"\n" );
#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(__PPC__)
fprintf(outfile, "#error: DELAYED IMPORTS NOT SUPPORTED ON PPC!!!\n");
#else
#error You need to defined delayed import thunks for your architecture!
#endif
for (i = idx = 0; i < nb_imports; i++)
{
if (!dll_imports[i]->delay) continue;
for (j = 0; j < dll_imports[i]->nb_imports; j++)
{
char buffer[128];
sprintf( buffer, "__wine_delay_imp_%d_%s", i, dll_imports[i]->imports[j]);
fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", buffer );
fprintf( outfile, " \"" PREFIX "%s:\\n\"\n", buffer );
#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(__PPC__)
fprintf(outfile, "#error: DELAYED IMPORTS NOT SUPPORTED ON PPC!!!\n");
#else
#error You need to defined delayed import thunks for your architecture!
#endif
}
idx++;
}
fprintf( outfile, "\n \".data\\n\\t.align %d\\n\"\n", get_alignment(8) );
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)
{
fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n",
dll_imports[i]->imports[j] );
fprintf( outfile, " \"\\t.globl " PREFIX "%s\\n\"\n",
dll_imports[i]->imports[j] );
fprintf( outfile, " \"" PREFIX "%s:\\n\\t", dll_imports[i]->imports[j] );
#if defined(__i386__)
if (strstr( dll_imports[i]->imports[j], "__wine_call_from_16" ))
fprintf( outfile, ".byte 0x2e\\n\\tjmp *(delay_imports+%d)\\n\\tnop\\n", pos );
else
fprintf( outfile, "jmp *(delay_imports+%d)\\n\\tmovl %%esi,%%esi\\n", pos );
#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" );
}
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" );
}
#elif defined(__PPC__)
fprintf(outfile, "#error: DELAYED IMPORTS NOT SUPPORTED ON PPC!!!\n");
#else
#error You need to define delayed import thunks for your architecture!
#endif
fprintf( outfile, "\"\n" );
}
}
fprintf( outfile, "\".previous\");\n" );
fprintf( outfile, "#ifndef __GNUC__\n" );
fprintf( outfile, "}\n" );
fprintf( outfile, "#endif\n" );
fprintf( outfile, "\n" );
done:
return nb_delayed;
}
/* output the import and delayed import tables of a Win32 module
* returns number of DLLs exported in 'immediate' mode
*/
int output_imports( FILE *outfile )
{
output_delayed_imports( outfile );
return output_immediate_imports( outfile );
}
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