| /* |
| * 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 <ctype.h> |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <string.h> |
| #ifdef HAVE_UNISTD_H |
| # include <unistd.h> |
| #endif |
| |
| #include "build.h" |
| |
| struct func |
| { |
| const char *name; /* function name */ |
| int ordinal; /* function ordinal */ |
| int ord_only; /* non-zero if function is imported by ordinal */ |
| }; |
| |
| struct import |
| { |
| char *dll; /* dll name */ |
| int delay; /* delay or not dll loading ? */ |
| struct func *exports; /* functions exported from this dll */ |
| int nb_exports; /* number of exported functions */ |
| struct func *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 const 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 */ |
| |
| /* compare function names; helper for resolve_imports */ |
| static int name_cmp( const void *name, const void *entry ) |
| { |
| return strcmp( *(char **)name, *(char **)entry ); |
| } |
| |
| /* compare function names; helper for resolve_imports */ |
| static int func_cmp( const void *func1, const void *func2 ) |
| { |
| return strcmp( ((struct func *)func1)->name, ((struct func *)func2)->name ); |
| } |
| |
| /* 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; |
| } |
| |
| /* locate an export in a (sorted) export list */ |
| inline static struct func *find_export( const char *name, struct func *table, int size ) |
| { |
| struct func func, *res = NULL; |
| |
| func.name = name; |
| func.ordinal = -1; |
| if (table) res = bsearch( &func, table, size, sizeof(*table), func_cmp ); |
| return res; |
| } |
| |
| /* sort a symbol table */ |
| inline static void sort_symbols( char **table, int size ) |
| { |
| if (table ) |
| qsort( table, size, sizeof(*table), name_cmp ); |
| } |
| |
| /* remove the temp file at exit */ |
| static void remove_ld_tmp_file(void) |
| { |
| if (ld_tmp_file) unlink( ld_tmp_file ); |
| } |
| |
| /* 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], prefix[80], ord_prefix[80]; |
| char *fullname, *cmdline; |
| int size, err; |
| |
| imp->exports = NULL; |
| imp->nb_exports = size = 0; |
| |
| 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 ); |
| |
| sprintf( prefix, "__wine_dllexport_%s_", make_c_identifier(name) ); |
| sprintf( ord_prefix, "__wine_ordexport_%s_", make_c_identifier(name) ); |
| |
| while (fgets( buffer, sizeof(buffer), f )) |
| { |
| int ordinal = 0, ord_only = 0; |
| char *p = buffer + strlen(buffer) - 1; |
| if (p < buffer) continue; |
| if (*p == '\n') *p-- = 0; |
| if (!(p = strstr( buffer, prefix ))) |
| { |
| if (!(p = strstr( buffer, ord_prefix ))) continue; |
| ord_only = 1; |
| } |
| p += strlen(prefix); |
| if (isdigit(*p)) |
| { |
| ordinal = strtol( p, &p, 10 ); |
| if (*p++ != '_') continue; |
| if (ordinal >= MAX_ORDINALS) continue; |
| } |
| if (ord_only && !ordinal) continue; |
| |
| if (imp->nb_exports == size) |
| { |
| size += 128; |
| imp->exports = xrealloc( imp->exports, size * sizeof(*imp->exports) ); |
| } |
| imp->exports[imp->nb_exports].name = xstrdup( p ); |
| imp->exports[imp->nb_exports].ordinal = ordinal; |
| imp->exports[imp->nb_exports].ord_only = ord_only; |
| imp->nb_exports++; |
| } |
| if ((err = pclose( f ))) fatal_error( "%s error %d\n", cmdline, err ); |
| free( cmdline ); |
| if (imp->nb_exports) |
| qsort( imp->exports, imp->nb_exports, sizeof(*imp->exports), func_cmp ); |
| } |
| |
| /* 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 struct func *func ) |
| { |
| imp->imports = xrealloc( imp->imports, (imp->nb_imports+1) * sizeof(*imp->imports) ); |
| imp->imports[imp->nb_imports].name = xstrdup( func->name ); |
| imp->imports[imp->nb_imports].ordinal = func->ordinal; |
| imp->imports[imp->nb_imports].ord_only = func->ord_only; |
| imp->nb_imports++; |
| 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 (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(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; |
| } |
| |
| /* 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; |
| char buffer[] = "/tmp/winebuild.tmp.XXXXXX"; |
| |
| if ((fd = mkstemp( buffer ) == -1)) fatal_error( "could not generate a temp file\n" ); |
| close( fd ); |
| ld_tmp_file = xstrdup( buffer ); |
| atexit( remove_ld_tmp_file ); |
| |
| for (i = 0; argv[i]; i++) len += strlen(argv[i]) + 1; |
| cmd = xmalloc( len + strlen(ld_tmp_file) + 10 ); |
| sprintf( cmd, "ld -r -o %s", ld_tmp_file ); |
| for (i = 0; argv[i]; i++) sprintf( cmd + strlen(cmd), " %s", argv[i] ); |
| err = system( cmd ); |
| if (err) fatal_error( "ld -r failed with status %d\n", err ); |
| free( cmd ); |
| return ld_tmp_file; |
| } |
| |
| /* read in the list of undefined symbols */ |
| void read_undef_symbols( char **argv ) |
| { |
| FILE *f; |
| char 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]; |
| |
| 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++) |
| { |
| struct func *func = find_export( undef_symbols[j], imp->exports, imp->nb_exports ); |
| if (func) |
| { |
| add_import_func( imp, func ); |
| 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++) |
| { |
| struct func *import = &dll_imports[i]->imports[j]; |
| if (!import->ord_only) |
| { |
| unsigned short ord = import->ordinal; |
| fprintf( outfile, " \"\\%03o\\%03o%s\",\n", |
| *(unsigned char *)&ord, *((unsigned char *)&ord + 1), import->name ); |
| } |
| else |
| fprintf( outfile, " (char *)%d,\n", import->ordinal ); |
| } |
| 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) |
| { |
| struct func *import = &dll_imports[i]->imports[j]; |
| fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", import->name ); |
| fprintf( outfile, " \"\\t.globl " __ASM_NAME("%s") "\\n\"\n", import->name ); |
| fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\\t", import->name); |
| |
| #if defined(__i386__) |
| if (strstr( import->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(__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, "\".section\\t\\\".text\\\"\");\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].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_%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].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]->dll ); |
| for (j = 0; j < dll_imports[i]->nb_imports; j++) |
| { |
| struct func *import = &dll_imports[i]->imports[j]; |
| if (import->ord_only) |
| fprintf( outfile, " (char *)%d,\n", import->ordinal ); |
| else |
| fprintf( outfile, " \"%s\",\n", import->name ); |
| } |
| } |
| 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)))\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, " \"" __ASM_NAME("__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__) |
| /* Save all callee saved registers into a stackframe. */ |
| fprintf( outfile, " \"\\tstwu %%r1, -48(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tstw %%r3, 4(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tstw %%r4, 8(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tstw %%r5, 12(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tstw %%r6, 16(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tstw %%r7, 20(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tstw %%r8, 24(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tstw %%r9, 28(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tstw %%r10, 32(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tstw %%r11, 36(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tstw %%r12, 40(%%r1)\\n\"\n" ); |
| |
| /* r0 -> r3 (arg1) */ |
| fprintf( outfile, " \"\\tmr %%r3, %%r0\\n\"\n" ); |
| |
| /* save return address */ |
| fprintf( outfile, " \"\\tmflr %%r0\\n\"\n" ); |
| fprintf( outfile, " \"\\tstw %%r0, 44(%%r1)\\n\"\n" ); |
| |
| /* Call the __wine_delay_load function, arg1 is arg1. */ |
| fprintf( outfile, " \"\\tbl __wine_delay_load\\n\"\n" ); |
| |
| /* Load return value from call into ctr register */ |
| fprintf( outfile, " \"\\tmtctr %%r3\\n\"\n" ); |
| |
| /* restore all saved registers and drop stackframe. */ |
| fprintf( outfile, " \"\\tlwz %%r3, 4(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tlwz %%r4, 8(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tlwz %%r5, 12(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tlwz %%r6, 16(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tlwz %%r7, 20(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tlwz %%r8, 24(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tlwz %%r9, 28(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tlwz %%r10, 32(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tlwz %%r11, 36(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tlwz %%r12, 40(%%r1)\\n\"\n" ); |
| /* Load return value from call into return register */ |
| fprintf( outfile, " \"\\tlwz %%r0, 44(%%r1)\\n\"\n" ); |
| fprintf( outfile, " \"\\tmtlr %%r0\\n\"\n" ); |
| fprintf( outfile, " \"\\taddi %%r1, %%r1, 48\\n\"\n" ); |
| /* branch to ctr register. */ |
| fprintf( outfile, " \"\\tbctr\\n\"\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].name ); |
| fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", buffer ); |
| fprintf( outfile, " \"" __ASM_NAME("%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__) |
| /* g0 is a function scratch register or so I understand. */ |
| fprintf( outfile, " \"\\tli %%r0, %d\\n\"\n", (idx << 16) | j ); |
| fprintf( outfile, " \"\\tb __wine_delay_load_asm\\n\"\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) |
| { |
| struct func *import = &dll_imports[i]->imports[j]; |
| fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", import->name ); |
| fprintf( outfile, " \"\\t.globl " __ASM_NAME("%s") "\\n\"\n", import->name ); |
| fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\\t\"", import->name); |
| #if defined(__i386__) |
| if (strstr( import->name, "__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, "\t\"addi 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,delay_imports+%d@ha\\n\"\n", pos); |
| fprintf(outfile, "\t\"\\tla 8,delay_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\""); |
| |
| /*fprintf(outfile, "\t\"li r0,delay_imports\\n\\t\"\n" ); |
| fprintf(outfile, "\t\"lwz r0, %d(r0)\\n\\t\"\n", pos); |
| fprintf(outfile, "\t\"mtctr r0\\n\\t\"\n"); |
| fprintf(outfile, "\t\"bctr\\n\"");*/ |
| #else |
| #error You need to define delayed import thunks for your architecture! |
| #endif |
| fprintf( outfile, "\n" ); |
| } |
| } |
| fprintf( outfile, "\".section \\\".text\\\"\");\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 ); |
| } |
