| /* |
| * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #include <assert.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 "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 */ |
| }; |
| |
| struct name_table |
| { |
| char **names; |
| unsigned int count, size; |
| }; |
| |
| static struct name_table undef_symbols; /* list of undefined symbols */ |
| static struct name_table extra_ld_symbols; /* list of extra symbols that ld should resolve */ |
| static struct name_table delayed_imports; /* list of delayed import dlls */ |
| static struct name_table ext_link_imports; /* list of external symbols to link to */ |
| |
| 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 inline const char *ppc_reg( int reg ) |
| { |
| static const char * const ppc_regs[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" }; |
| if (target_platform == PLATFORM_APPLE) return ppc_regs[reg]; |
| return ppc_regs[reg] + 1; /* skip the 'r' */ |
| } |
| |
| /* 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 ); |
| } |
| |
| /* add a name to a name table */ |
| static inline void add_name( struct name_table *table, const char *name ) |
| { |
| if (table->count == table->size) |
| { |
| table->size += (table->size / 2); |
| if (table->size < 32) table->size = 32; |
| table->names = xrealloc( table->names, table->size * sizeof(*table->names) ); |
| } |
| table->names[table->count++] = xstrdup( name ); |
| } |
| |
| /* remove a name from a name table */ |
| static inline void remove_name( struct name_table *table, unsigned int idx ) |
| { |
| assert( idx < table->count ); |
| free( table->names[idx] ); |
| memmove( table->names + idx, table->names + idx + 1, |
| (table->count - idx - 1) * sizeof(*table->names) ); |
| table->count--; |
| } |
| |
| /* locate a name in a (sorted) list */ |
| static inline const char *find_name( const char *name, const struct name_table *table ) |
| { |
| char **res = NULL; |
| |
| if (table->count) res = bsearch( &name, table->names, table->count, sizeof(*table->names), name_cmp ); |
| return res ? *res : NULL; |
| } |
| |
| /* sort a name table */ |
| static inline void sort_names( struct name_table *table ) |
| { |
| if (table->count) qsort( table->names, table->count, sizeof(*table->names), name_cmp ); |
| } |
| |
| /* locate an export in a (sorted) export list */ |
| static inline ORDDEF *find_export( const char *name, ORDDEF **table, int size ) |
| { |
| ORDDEF func, *odp, **res = NULL; |
| |
| func.name = xstrdup(name); |
| func.ordinal = -1; |
| odp = &func; |
| if (table) res = bsearch( &odp, table, size, sizeof(*table), func_cmp ); |
| free( func.name ); |
| return res ? *res : NULL; |
| } |
| |
| /* 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 ); |
| } |
| |
| /* check whether a given dll is imported in delayed mode */ |
| static int is_delayed_import( const char *name ) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < delayed_imports.count; i++) |
| { |
| if (!strcmp( delayed_imports.names[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 = strmake( "%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; |
| int delayed = is_delayed_import( spec->file_name ); |
| |
| 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 (delayed) |
| { |
| imp->delay = 1; |
| nb_delayed++; |
| } |
| |
| if (spec->nb_entry_points) |
| { |
| imp->exports = xmalloc( spec->nb_entry_points * sizeof(*imp->exports) ); |
| for (i = 0; i < spec->nb_entry_points; i++) |
| imp->exports[imp->nb_exports++] = &spec->entry_points[i]; |
| 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 ); |
| |
| add_name( &delayed_imports, fullname ); |
| if ((imp = is_already_imported( fullname )) && !imp->delay) |
| { |
| imp->delay = 1; |
| nb_delayed++; |
| } |
| free( fullname ); |
| } |
| |
| /* 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 ); |
| } |
| |
| /* add a symbol to the list of extra symbols that ld must resolve */ |
| void add_extra_ld_symbol( const char *name ) |
| { |
| add_name( &extra_ld_symbols, 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++; |
| } |
| |
| /* get the default entry point for a given spec file */ |
| static const char *get_default_entry_point( const DLLSPEC *spec ) |
| { |
| if (spec->characteristics & IMAGE_FILE_DLL) return "__wine_spec_dll_entry"; |
| if (spec->subsystem == IMAGE_SUBSYSTEM_NATIVE) return "__wine_spec_drv_entry"; |
| if (spec->type == SPEC_WIN16) return "__wine_spec_exe16_entry"; |
| return "__wine_spec_exe_entry"; |
| } |
| |
| /* check if the spec file exports any stubs */ |
| static int has_stubs( const DLLSPEC *spec ) |
| { |
| int i; |
| for (i = 0; i < spec->nb_entry_points; i++) |
| { |
| ORDDEF *odp = &spec->entry_points[i]; |
| if (odp->type == TYPE_STUB) return 1; |
| } |
| return 0; |
| } |
| |
| /* add the extra undefined symbols that will be contained in the generated spec file itself */ |
| static void add_extra_undef_symbols( DLLSPEC *spec ) |
| { |
| if (!spec->init_func) spec->init_func = xstrdup( get_default_entry_point(spec) ); |
| add_extra_ld_symbol( spec->init_func ); |
| if (has_stubs( spec )) add_extra_ld_symbol( "__wine_spec_unimplemented_stub" ); |
| if (nb_delayed) add_extra_ld_symbol( "__wine_spec_delay_load" ); |
| } |
| |
| /* 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; |
| } |
| |
| /* check if a given forward does exist in one of the imported dlls */ |
| static void check_undefined_forwards( DLLSPEC *spec ) |
| { |
| char *link_name, *api_name, *dll_name, *p; |
| int i, j; |
| |
| for (i = 0; i < spec->nb_entry_points; i++) |
| { |
| ORDDEF *odp = &spec->entry_points[i]; |
| |
| if (!(odp->flags & FLAG_FORWARD)) continue; |
| |
| link_name = xstrdup( odp->link_name ); |
| p = strrchr( link_name, '.' ); |
| *p = 0; |
| api_name = p + 1; |
| dll_name = get_dll_name( link_name, NULL ); |
| |
| for (j = 0; j < nb_imports; j++) |
| { |
| struct import *imp = dll_imports[j]; |
| |
| if (strcasecmp( imp->spec->file_name, dll_name )) continue; |
| if (!find_export( api_name, imp->exports, imp->nb_exports )) |
| warning( "%s:%d: forward '%s' not found in %s\n", |
| spec->src_name, odp->lineno, odp->link_name, imp->spec->file_name ); |
| break; |
| } |
| if (j == nb_imports) |
| warning( "%s:%d: forward '%s' not found in the imported dll list\n", |
| spec->src_name, odp->lineno, odp->link_name ); |
| free( link_name ); |
| free( dll_name ); |
| } |
| } |
| |
| /* flag the dll exports that link to an undefined symbol */ |
| static void check_undefined_exports( DLLSPEC *spec ) |
| { |
| int i; |
| |
| for (i = 0; i < spec->nb_entry_points; i++) |
| { |
| ORDDEF *odp = &spec->entry_points[i]; |
| if (odp->type == TYPE_STUB || odp->type == TYPE_ABS || odp->type == TYPE_VARIABLE) continue; |
| if (odp->flags & FLAG_FORWARD) continue; |
| if (find_name( odp->link_name, &undef_symbols )) |
| { |
| switch(odp->type) |
| { |
| case TYPE_PASCAL: |
| case TYPE_STDCALL: |
| case TYPE_CDECL: |
| case TYPE_VARARGS: |
| case TYPE_THISCALL: |
| if (link_ext_symbols) |
| { |
| odp->flags |= FLAG_EXT_LINK; |
| add_name( &ext_link_imports, odp->link_name ); |
| } |
| else error( "%s:%d: function '%s' not defined\n", |
| spec->src_name, odp->lineno, odp->link_name ); |
| break; |
| default: |
| error( "%s:%d: external symbol '%s' is not a function\n", |
| spec->src_name, odp->lineno, odp->link_name ); |
| break; |
| } |
| } |
| } |
| } |
| |
| /* create a .o file that references all the undefined symbols we want to resolve */ |
| static char *create_undef_symbols_file( DLLSPEC *spec ) |
| { |
| char *as_file, *obj_file; |
| int i; |
| unsigned int j; |
| FILE *f; |
| |
| as_file = get_temp_file_name( output_file_name, ".s" ); |
| if (!(f = fopen( as_file, "w" ))) fatal_error( "Cannot create %s\n", as_file ); |
| fprintf( f, "\t.data\n" ); |
| |
| for (i = 0; i < spec->nb_entry_points; i++) |
| { |
| ORDDEF *odp = &spec->entry_points[i]; |
| if (odp->type == TYPE_STUB || odp->type == TYPE_ABS || odp->type == TYPE_VARIABLE) continue; |
| if (odp->flags & FLAG_FORWARD) continue; |
| fprintf( f, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp->link_name) ); |
| } |
| for (j = 0; j < extra_ld_symbols.count; j++) |
| fprintf( f, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(extra_ld_symbols.names[j]) ); |
| fclose( f ); |
| |
| obj_file = get_temp_file_name( output_file_name, ".o" ); |
| assemble_file( as_file, obj_file ); |
| return obj_file; |
| } |
| |
| /* 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( DLLSPEC *spec, char **argv ) |
| { |
| char *ld_tmp_file, *undef_file; |
| struct strarray *args = get_ld_command(); |
| |
| undef_file = create_undef_symbols_file( spec ); |
| ld_tmp_file = get_temp_file_name( output_file_name, ".o" ); |
| |
| strarray_add( args, "-r", "-o", ld_tmp_file, undef_file, NULL ); |
| strarray_addv( args, argv ); |
| spawn( args ); |
| strarray_free( args ); |
| return ld_tmp_file; |
| } |
| |
| /* read in the list of undefined symbols */ |
| void read_undef_symbols( DLLSPEC *spec, char **argv ) |
| { |
| size_t prefix_len; |
| FILE *f; |
| const char *prog = get_nm_command(); |
| char *cmd, buffer[1024], name_prefix[16]; |
| int err; |
| const char *name; |
| |
| if (!argv[0]) return; |
| |
| add_extra_undef_symbols( spec ); |
| |
| strcpy( name_prefix, asm_name("") ); |
| prefix_len = strlen( name_prefix ); |
| |
| name = ldcombine_files( spec, argv ); |
| |
| cmd = strmake( "%s -u %s", prog, 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; |
| 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_name( &undef_symbols, p ); |
| } |
| if ((err = pclose( f ))) warning( "%s failed with status %d\n", cmd, err ); |
| free( cmd ); |
| } |
| |
| /* resolve the imports for a Win32 module */ |
| void resolve_imports( DLLSPEC *spec ) |
| { |
| int i; |
| unsigned int j, removed; |
| ORDDEF *odp; |
| |
| check_undefined_forwards( spec ); |
| |
| for (i = 0; i < nb_imports; i++) |
| { |
| struct import *imp = dll_imports[i]; |
| |
| for (j = removed = 0; j < undef_symbols.count; j++) |
| { |
| odp = find_export( undef_symbols.names[j], imp->exports, imp->nb_exports ); |
| if (odp) |
| { |
| if (odp->flags & FLAG_PRIVATE) continue; |
| if (odp->type != TYPE_STDCALL && odp->type != TYPE_CDECL) |
| warning( "winebuild: Data export '%s' cannot be imported from %s\n", |
| odp->link_name, imp->spec->file_name ); |
| else |
| { |
| add_import_func( imp, odp ); |
| remove_name( &undef_symbols, j-- ); |
| removed++; |
| } |
| } |
| } |
| if (!removed) |
| { |
| /* the dll is not used, get rid of it */ |
| if (check_unused( imp, spec )) |
| warning( "winebuild: %s imported but no symbols used\n", imp->spec->file_name ); |
| remove_import_dll( i ); |
| i--; |
| } |
| } |
| |
| sort_names( &undef_symbols ); |
| check_undefined_exports( spec ); |
| } |
| |
| /* check if symbol is still undefined */ |
| int is_undefined( const char *name ) |
| { |
| return find_name( name, &undef_symbols ) != NULL; |
| } |
| |
| /* output the get_pc thunk if needed */ |
| void output_get_pc_thunk(void) |
| { |
| if (target_cpu != CPU_x86) return; |
| if (!UsePIC) return; |
| output( "\n\t.text\n" ); |
| output( "\t.align %d\n", get_alignment(4) ); |
| output( "\t%s\n", func_declaration("__wine_spec_get_pc_thunk_eax") ); |
| output( "%s:\n", asm_name("__wine_spec_get_pc_thunk_eax") ); |
| output_cfi( ".cfi_startproc" ); |
| output( "\tmovl (%%esp),%%eax\n" ); |
| output( "\tret\n" ); |
| output_cfi( ".cfi_endproc" ); |
| output_function_size( "__wine_spec_get_pc_thunk_eax" ); |
| } |
| |
| /* output a single import thunk */ |
| static void output_import_thunk( const char *name, const char *table, int pos ) |
| { |
| output( "\n\t.align %d\n", get_alignment(4) ); |
| output( "\t%s\n", func_declaration(name) ); |
| output( "%s\n", asm_globl(name) ); |
| output_cfi( ".cfi_startproc" ); |
| |
| switch(target_cpu) |
| { |
| case CPU_x86: |
| if (!UsePIC) |
| { |
| output( "\tjmp *(%s+%d)\n", table, pos ); |
| } |
| else |
| { |
| output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") ); |
| output( "1:\tjmp *%s+%d-1b(%%eax)\n", table, pos ); |
| } |
| break; |
| case CPU_x86_64: |
| output( "\tjmpq *%s+%d(%%rip)\n", table, pos ); |
| break; |
| case CPU_ARM: |
| output( "\tldr IP,1f\n"); |
| output( "\tldr PC,[PC,IP]\n" ); |
| output( "1:\t.long %s+%u-(1b+4)\n", table, pos ); |
| break; |
| case CPU_ARM64: |
| output( "\tadr x9, 1f\n" ); |
| output( "\tldur x9, [x9, #0]\n" ); |
| if (pos & 0xf000) output( "\tadd x9, x9, #%u\n", pos & 0xf000 ); |
| if (pos & 0x0f00) output( "\tadd x9, x9, #%u\n", pos & 0x0f00 ); |
| if (pos & 0x00f0) output( "\tadd x9, x9, #%u\n", pos & 0x00f0 ); |
| if (pos & 0x000f) output( "\tadd x9, x9, #%u\n", pos & 0x000f ); |
| output( "\tldur x9, [x9, #0]\n" ); |
| output( "\tbr x9\n" ); |
| output( "1:\t.quad %s\n", table ); |
| break; |
| case CPU_POWERPC: |
| output( "\tmr %s, %s\n", ppc_reg(0), ppc_reg(31) ); |
| if (target_platform == PLATFORM_APPLE) |
| { |
| output( "\tlis %s, ha16(%s+%d+32768)\n", ppc_reg(31), table, pos ); |
| output( "\tla %s, lo16(%s+%d)(%s)\n", ppc_reg(31), table, pos, ppc_reg(31) ); |
| } |
| else |
| { |
| output( "\tlis %s, (%s+%d+32768)@h\n", ppc_reg(31), table, pos ); |
| output( "\tla %s, (%s+%d)@l(%s)\n", ppc_reg(31), table, pos, ppc_reg(31) ); |
| } |
| output( "\tlwz %s, 0(%s)\n", ppc_reg(31), ppc_reg(31) ); |
| output( "\tmtctr %s\n", ppc_reg(31) ); |
| output( "\tmr %s, %s\n", ppc_reg(31), ppc_reg(0) ); |
| output( "\tbctr\n" ); |
| break; |
| } |
| output_cfi( ".cfi_endproc" ); |
| output_function_size( name ); |
| } |
| |
| /* check if we need an import directory */ |
| int has_imports(void) |
| { |
| return (nb_imports - nb_delayed) > 0; |
| } |
| |
| /* output the import table of a Win32 module */ |
| static void output_immediate_imports(void) |
| { |
| int i, j; |
| const char *dll_name; |
| |
| if (nb_imports == nb_delayed) return; /* no immediate imports */ |
| |
| /* main import header */ |
| |
| output( "\n/* import table */\n" ); |
| output( "\n\t.data\n" ); |
| output( "\t.align %d\n", get_alignment(4) ); |
| output( ".L__wine_spec_imports:\n" ); |
| |
| /* list of dlls */ |
| |
| for (i = j = 0; i < nb_imports; i++) |
| { |
| if (dll_imports[i]->delay) continue; |
| dll_name = make_c_identifier( dll_imports[i]->spec->file_name ); |
| output( "\t.long .L__wine_spec_import_data_names+%d-.L__wine_spec_rva_base\n", /* OriginalFirstThunk */ |
| j * get_ptr_size() ); |
| output( "\t.long 0\n" ); /* TimeDateStamp */ |
| output( "\t.long 0\n" ); /* ForwarderChain */ |
| output( "\t.long .L__wine_spec_import_name_%s-.L__wine_spec_rva_base\n", /* Name */ |
| dll_name ); |
| output( "\t.long .L__wine_spec_import_data_ptrs+%d-.L__wine_spec_rva_base\n", /* FirstThunk */ |
| j * get_ptr_size() ); |
| j += dll_imports[i]->nb_imports + 1; |
| } |
| output( "\t.long 0\n" ); /* OriginalFirstThunk */ |
| output( "\t.long 0\n" ); /* TimeDateStamp */ |
| output( "\t.long 0\n" ); /* ForwarderChain */ |
| output( "\t.long 0\n" ); /* Name */ |
| output( "\t.long 0\n" ); /* FirstThunk */ |
| |
| output( "\n\t.align %d\n", get_alignment(get_ptr_size()) ); |
| output( ".L__wine_spec_import_data_names:\n" ); |
| for (i = 0; i < nb_imports; i++) |
| { |
| if (dll_imports[i]->delay) continue; |
| dll_name = make_c_identifier( 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)) |
| output( "\t%s .L__wine_spec_import_data_%s_%s-.L__wine_spec_rva_base\n", |
| get_asm_ptr_keyword(), dll_name, odp->name ); |
| else |
| { |
| if (get_ptr_size() == 8) |
| output( "\t.quad 0x800000000000%04x\n", odp->ordinal ); |
| else |
| output( "\t.long 0x8000%04x\n", odp->ordinal ); |
| } |
| } |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); |
| } |
| output( ".L__wine_spec_import_data_ptrs:\n" ); |
| for (i = 0; i < nb_imports; i++) |
| { |
| if (dll_imports[i]->delay) continue; |
| for (j = 0; j < dll_imports[i]->nb_imports; j++) output( "\t%s 0\n", get_asm_ptr_keyword() ); |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); |
| } |
| output( ".L__wine_spec_imports_end:\n" ); |
| |
| for (i = 0; i < nb_imports; i++) |
| { |
| if (dll_imports[i]->delay) continue; |
| dll_name = make_c_identifier( 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)) |
| { |
| output( "\t.align %d\n", get_alignment(2) ); |
| output( ".L__wine_spec_import_data_%s_%s:\n", dll_name, odp->name ); |
| output( "\t.short %d\n", odp->ordinal ); |
| output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp->name ); |
| } |
| } |
| } |
| |
| for (i = 0; i < nb_imports; i++) |
| { |
| if (dll_imports[i]->delay) continue; |
| dll_name = make_c_identifier( dll_imports[i]->spec->file_name ); |
| output( ".L__wine_spec_import_name_%s:\n\t%s \"%s\"\n", |
| dll_name, get_asm_string_keyword(), dll_imports[i]->spec->file_name ); |
| } |
| } |
| |
| /* output the import thunks of a Win32 module */ |
| static void output_immediate_import_thunks(void) |
| { |
| int i, j, pos; |
| int nb_imm = nb_imports - nb_delayed; |
| static const char import_thunks[] = "__wine_spec_import_thunks"; |
| |
| if (!nb_imm) return; |
| |
| output( "\n/* immediate import thunks */\n\n" ); |
| output( "\t.text\n" ); |
| output( "\t.align %d\n", get_alignment(8) ); |
| output( "%s:\n", asm_name(import_thunks)); |
| |
| for (i = pos = 0; i < nb_imports; i++) |
| { |
| if (dll_imports[i]->delay) continue; |
| for (j = 0; j < dll_imports[i]->nb_imports; j++, pos += get_ptr_size()) |
| { |
| ORDDEF *odp = dll_imports[i]->imports[j]; |
| output_import_thunk( odp->name ? odp->name : odp->export_name, |
| ".L__wine_spec_import_data_ptrs", pos ); |
| } |
| pos += get_ptr_size(); |
| } |
| output_function_size( import_thunks ); |
| } |
| |
| /* output the delayed import table of a Win32 module */ |
| static void output_delayed_imports( const DLLSPEC *spec ) |
| { |
| int i, j, mod; |
| |
| if (!nb_delayed) return; |
| |
| output( "\n/* delayed imports */\n\n" ); |
| output( "\t.data\n" ); |
| output( "\t.align %d\n", get_alignment(get_ptr_size()) ); |
| output( "%s\n", asm_globl("__wine_spec_delay_imports") ); |
| |
| /* list of dlls */ |
| |
| for (i = j = mod = 0; i < nb_imports; i++) |
| { |
| if (!dll_imports[i]->delay) continue; |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); /* grAttrs */ |
| output( "\t%s .L__wine_delay_name_%d\n", /* szName */ |
| get_asm_ptr_keyword(), i ); |
| output( "\t%s .L__wine_delay_modules+%d\n", /* phmod */ |
| get_asm_ptr_keyword(), mod * get_ptr_size() ); |
| output( "\t%s .L__wine_delay_IAT+%d\n", /* pIAT */ |
| get_asm_ptr_keyword(), j * get_ptr_size() ); |
| output( "\t%s .L__wine_delay_INT+%d\n", /* pINT */ |
| get_asm_ptr_keyword(), j * get_ptr_size() ); |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pBoundIAT */ |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pUnloadIAT */ |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); /* dwTimeStamp */ |
| j += dll_imports[i]->nb_imports; |
| mod++; |
| } |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); /* grAttrs */ |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); /* szName */ |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); /* phmod */ |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pIAT */ |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pINT */ |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pBoundIAT */ |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pUnloadIAT */ |
| output( "\t%s 0\n", get_asm_ptr_keyword() ); /* dwTimeStamp */ |
| |
| output( "\n.L__wine_delay_IAT:\n" ); |
| 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; |
| output( "\t%s .L__wine_delay_imp_%d_%s\n", |
| get_asm_ptr_keyword(), i, name ); |
| } |
| } |
| |
| output( "\n.L__wine_delay_INT:\n" ); |
| 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]; |
| if (!odp->name) |
| output( "\t%s %d\n", get_asm_ptr_keyword(), odp->ordinal ); |
| else |
| output( "\t%s .L__wine_delay_data_%d_%s\n", |
| get_asm_ptr_keyword(), i, odp->name ); |
| } |
| } |
| |
| output( "\n.L__wine_delay_modules:\n" ); |
| for (i = 0; i < nb_imports; i++) |
| { |
| if (dll_imports[i]->delay) output( "\t%s 0\n", get_asm_ptr_keyword() ); |
| } |
| |
| for (i = 0; i < nb_imports; i++) |
| { |
| if (!dll_imports[i]->delay) continue; |
| output( ".L__wine_delay_name_%d:\n", i ); |
| output( "\t%s \"%s\"\n", |
| get_asm_string_keyword(), dll_imports[i]->spec->file_name ); |
| } |
| |
| 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]; |
| if (!odp->name) continue; |
| output( ".L__wine_delay_data_%d_%s:\n", i, odp->name ); |
| output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp->name ); |
| } |
| } |
| output_function_size( "__wine_spec_delay_imports" ); |
| } |
| |
| /* output the delayed import thunks of a Win32 module */ |
| static void output_delayed_import_thunks( const DLLSPEC *spec ) |
| { |
| int i, idx, j, pos, extra_stack_storage = 0; |
| 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; |
| |
| output( "\n/* delayed import thunks */\n\n" ); |
| output( "\t.text\n" ); |
| output( "\t.align %d\n", get_alignment(8) ); |
| output( "%s:\n", asm_name(delayed_import_loaders)); |
| output( "\t%s\n", func_declaration("__wine_delay_load_asm") ); |
| output( "%s:\n", asm_name("__wine_delay_load_asm") ); |
| output_cfi( ".cfi_startproc" ); |
| switch(target_cpu) |
| { |
| case CPU_x86: |
| output( "\tpushl %%ecx\n" ); |
| output_cfi( ".cfi_adjust_cfa_offset 4" ); |
| output( "\tpushl %%edx\n" ); |
| output_cfi( ".cfi_adjust_cfa_offset 4" ); |
| output( "\tpushl %%eax\n" ); |
| output_cfi( ".cfi_adjust_cfa_offset 4" ); |
| output( "\tcall %s\n", asm_name("__wine_spec_delay_load") ); |
| output_cfi( ".cfi_adjust_cfa_offset -4" ); |
| output( "\tpopl %%edx\n" ); |
| output_cfi( ".cfi_adjust_cfa_offset -4" ); |
| output( "\tpopl %%ecx\n" ); |
| output_cfi( ".cfi_adjust_cfa_offset -4" ); |
| output( "\tjmp *%%eax\n" ); |
| break; |
| case CPU_x86_64: |
| output( "\tsubq $88,%%rsp\n" ); |
| output_cfi( ".cfi_adjust_cfa_offset 88" ); |
| output( "\tmovq %%rdx,80(%%rsp)\n" ); |
| output( "\tmovq %%rcx,72(%%rsp)\n" ); |
| output( "\tmovq %%r8,64(%%rsp)\n" ); |
| output( "\tmovq %%r9,56(%%rsp)\n" ); |
| output( "\tmovq %%r10,48(%%rsp)\n" ); |
| output( "\tmovq %%r11,40(%%rsp)\n" ); |
| output( "\tmovq %%rax,%%rcx\n" ); |
| output( "\tcall %s\n", asm_name("__wine_spec_delay_load") ); |
| output( "\tmovq 40(%%rsp),%%r11\n" ); |
| output( "\tmovq 48(%%rsp),%%r10\n" ); |
| output( "\tmovq 56(%%rsp),%%r9\n" ); |
| output( "\tmovq 64(%%rsp),%%r8\n" ); |
| output( "\tmovq 72(%%rsp),%%rcx\n" ); |
| output( "\tmovq 80(%%rsp),%%rdx\n" ); |
| output( "\taddq $88,%%rsp\n" ); |
| output_cfi( ".cfi_adjust_cfa_offset -88" ); |
| output( "\tjmp *%%rax\n" ); |
| break; |
| case CPU_ARM: |
| output( "\tpush {r0-r3,FP,LR}\n" ); |
| output( "\tmov r0,IP\n" ); |
| output( "\tldr IP,2f\n"); |
| output( "\tadd IP,PC\n"); |
| output( "\tblx IP\n"); |
| output( "1:\tmov IP,r0\n"); |
| output( "\tpop {r0-r3,FP,LR}\n" ); |
| output( "\tbx IP\n"); |
| output( "2:\t.long %s-1b\n", asm_name("__wine_spec_delay_load") ); |
| break; |
| case CPU_ARM64: |
| output( "\tstp x29, x30, [sp,#-16]!\n" ); |
| output( "\tmov x29, sp\n" ); |
| output( "\tadr x9, 1f\n" ); |
| output( "\tldur x9, [x9, #0]\n" ); |
| output( "\tblr x9\n" ); |
| output( "\tmov x9, x0\n" ); |
| output( "\tldp x29, x30, [sp],#16\n" ); |
| output( "\tldp x0, x1, [sp,#16]\n" ); |
| output( "\tldp x2, x3, [sp,#32]\n" ); |
| output( "\tldp x4, x5, [sp,#48]\n" ); |
| output( "\tldp x6, x7, [sp],#80\n" ); |
| output( "\tbr x9\n" ); /* or "ret x9" */ |
| output( "1:\t.quad %s\n", asm_name("__wine_spec_delay_load") ); |
| break; |
| case CPU_POWERPC: |
| if (target_platform == PLATFORM_APPLE) extra_stack_storage = 56; |
| |
| /* Save all callee saved registers into a stackframe. */ |
| output( "\tstwu %s, -%d(%s)\n",ppc_reg(1), 48+extra_stack_storage, ppc_reg(1)); |
| output( "\tstw %s, %d(%s)\n", ppc_reg(3), 4+extra_stack_storage, ppc_reg(1)); |
| output( "\tstw %s, %d(%s)\n", ppc_reg(4), 8+extra_stack_storage, ppc_reg(1)); |
| output( "\tstw %s, %d(%s)\n", ppc_reg(5), 12+extra_stack_storage, ppc_reg(1)); |
| output( "\tstw %s, %d(%s)\n", ppc_reg(6), 16+extra_stack_storage, ppc_reg(1)); |
| output( "\tstw %s, %d(%s)\n", ppc_reg(7), 20+extra_stack_storage, ppc_reg(1)); |
| output( "\tstw %s, %d(%s)\n", ppc_reg(8), 24+extra_stack_storage, ppc_reg(1)); |
| output( "\tstw %s, %d(%s)\n", ppc_reg(9), 28+extra_stack_storage, ppc_reg(1)); |
| output( "\tstw %s, %d(%s)\n", ppc_reg(10),32+extra_stack_storage, ppc_reg(1)); |
| output( "\tstw %s, %d(%s)\n", ppc_reg(11),36+extra_stack_storage, ppc_reg(1)); |
| output( "\tstw %s, %d(%s)\n", ppc_reg(12),40+extra_stack_storage, ppc_reg(1)); |
| |
| /* r0 -> r3 (arg1) */ |
| output( "\tmr %s, %s\n", ppc_reg(3), ppc_reg(0)); |
| |
| /* save return address */ |
| output( "\tmflr %s\n", ppc_reg(0)); |
| output( "\tstw %s, %d(%s)\n", ppc_reg(0), 44+extra_stack_storage, ppc_reg(1)); |
| |
| /* Call the __wine_delay_load function, arg1 is arg1. */ |
| output( "\tbl %s\n", asm_name("__wine_spec_delay_load") ); |
| |
| /* Load return value from call into ctr register */ |
| output( "\tmtctr %s\n", ppc_reg(3)); |
| |
| /* restore all saved registers and drop stackframe. */ |
| output( "\tlwz %s, %d(%s)\n", ppc_reg(3), 4+extra_stack_storage, ppc_reg(1)); |
| output( "\tlwz %s, %d(%s)\n", ppc_reg(4), 8+extra_stack_storage, ppc_reg(1)); |
| output( "\tlwz %s, %d(%s)\n", ppc_reg(5), 12+extra_stack_storage, ppc_reg(1)); |
| output( "\tlwz %s, %d(%s)\n", ppc_reg(6), 16+extra_stack_storage, ppc_reg(1)); |
| output( "\tlwz %s, %d(%s)\n", ppc_reg(7), 20+extra_stack_storage, ppc_reg(1)); |
| output( "\tlwz %s, %d(%s)\n", ppc_reg(8), 24+extra_stack_storage, ppc_reg(1)); |
| output( "\tlwz %s, %d(%s)\n", ppc_reg(9), 28+extra_stack_storage, ppc_reg(1)); |
| output( "\tlwz %s, %d(%s)\n", ppc_reg(10),32+extra_stack_storage, ppc_reg(1)); |
| output( "\tlwz %s, %d(%s)\n", ppc_reg(11),36+extra_stack_storage, ppc_reg(1)); |
| output( "\tlwz %s, %d(%s)\n", ppc_reg(12),40+extra_stack_storage, ppc_reg(1)); |
| |
| /* Load return value from call into return register */ |
| output( "\tlwz %s, %d(%s)\n", ppc_reg(0), 44+extra_stack_storage, ppc_reg(1)); |
| output( "\tmtlr %s\n", ppc_reg(0)); |
| output( "\taddi %s, %s, %d\n", ppc_reg(1), ppc_reg(1), 48+extra_stack_storage); |
| |
| /* branch to ctr register. */ |
| output( "\tbctr\n"); |
| break; |
| } |
| output_cfi( ".cfi_endproc" ); |
| output_function_size( "__wine_delay_load_asm" ); |
| output( "\n" ); |
| |
| for (i = idx = 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; |
| |
| output( ".L__wine_delay_imp_%d_%s:\n", i, name ); |
| output_cfi( ".cfi_startproc" ); |
| switch(target_cpu) |
| { |
| case CPU_x86: |
| output( "\tmovl $%d, %%eax\n", (idx << 16) | j ); |
| output( "\tjmp %s\n", asm_name("__wine_delay_load_asm") ); |
| break; |
| case CPU_x86_64: |
| output( "\tmovq $%d,%%rax\n", (idx << 16) | j ); |
| output( "\tjmp %s\n", asm_name("__wine_delay_load_asm") ); |
| break; |
| case CPU_ARM: |
| { |
| unsigned int mask, count = 0, val = (idx << 16) | j; |
| |
| for (mask = 0xff; mask; mask <<= 8) |
| if (val & mask) output( "\t%s IP,#%u\n", count++ ? "add" : "mov", val & mask ); |
| if (!count) output( "\tmov IP,#0\n" ); |
| output( "\tb %s\n", asm_name("__wine_delay_load_asm") ); |
| break; |
| } |
| case CPU_ARM64: |
| output( "\tstp x6, x7, [sp,#-80]!\n" ); |
| output( "\tstp x4, x5, [sp,#48]\n" ); |
| output( "\tstp x2, x3, [sp,#32]\n" ); |
| output( "\tstp x0, x1, [sp,#16]\n" ); |
| output( "\tmov x0, #%d\n", idx ); |
| output( "\tmov x1, #16384\n" ); |
| output( "\tmul x1, x0, x1\n" ); |
| output( "\tmov x0, x1\n" ); |
| output( "\tmov x1, #4\n" ); |
| output( "\tmul x1, x0, x1\n" ); |
| output( "\tmov x0, x1\n" ); |
| output( "\tadd x0, x0, #%d\n", j ); |
| output( "\tadr x9, 1f\n" ); |
| output( "\tldur x9, [x9, #0]\n" ); |
| output( "\tbr x9\n" ); |
| output( "1:\t.quad %s\n", asm_name("__wine_delay_load_asm") ); |
| break; |
| case CPU_POWERPC: |
| switch(target_platform) |
| { |
| case PLATFORM_APPLE: |
| /* On Darwin we can use r0 and r2 */ |
| /* Upper part in r2 */ |
| output( "\tlis %s, %d\n", ppc_reg(2), idx); |
| /* Lower part + r2 -> r0, Note we can't use r0 directly */ |
| output( "\taddi %s, %s, %d\n", ppc_reg(0), ppc_reg(2), j); |
| output( "\tb %s\n", asm_name("__wine_delay_load_asm") ); |
| break; |
| default: |
| /* On linux we can't use r2 since r2 is not a scratch register (hold the TOC) */ |
| /* Save r13 on the stack */ |
| output( "\taddi %s, %s, -0x4\n", ppc_reg(1), ppc_reg(1)); |
| output( "\tstw %s, 0(%s)\n", ppc_reg(13), ppc_reg(1)); |
| /* Upper part in r13 */ |
| output( "\tlis %s, %d\n", ppc_reg(13), idx); |
| /* Lower part + r13 -> r0, Note we can't use r0 directly */ |
| output( "\taddi %s, %s, %d\n", ppc_reg(0), ppc_reg(13), j); |
| /* Restore r13 */ |
| output( "\tstw %s, 0(%s)\n", ppc_reg(13), ppc_reg(1)); |
| output( "\taddic %s, %s, 0x4\n", ppc_reg(1), ppc_reg(1)); |
| output( "\tb %s\n", asm_name("__wine_delay_load_asm") ); |
| break; |
| } |
| break; |
| } |
| output_cfi( ".cfi_endproc" ); |
| } |
| idx++; |
| } |
| output_function_size( delayed_import_loaders ); |
| |
| output( "\n\t.align %d\n", get_alignment(get_ptr_size()) ); |
| output( "%s:\n", asm_name(delayed_import_thunks)); |
| for (i = pos = 0; i < nb_imports; i++) |
| { |
| if (!dll_imports[i]->delay) continue; |
| for (j = 0; j < dll_imports[i]->nb_imports; j++, pos += get_ptr_size()) |
| { |
| ORDDEF *odp = dll_imports[i]->imports[j]; |
| output_import_thunk( odp->name ? odp->name : odp->export_name, |
| ".L__wine_delay_IAT", pos ); |
| } |
| } |
| output_function_size( delayed_import_thunks ); |
| } |
| |
| /* output import stubs for exported entry points that link to external symbols */ |
| static void output_external_link_imports( DLLSPEC *spec ) |
| { |
| unsigned int i, pos; |
| |
| if (!ext_link_imports.count) return; /* nothing to do */ |
| |
| sort_names( &ext_link_imports ); |
| |
| /* get rid of duplicate names */ |
| for (i = 1; i < ext_link_imports.count; i++) |
| { |
| if (!strcmp( ext_link_imports.names[i-1], ext_link_imports.names[i] )) |
| remove_name( &ext_link_imports, i-- ); |
| } |
| |
| output( "\n/* external link thunks */\n\n" ); |
| output( "\t.data\n" ); |
| output( "\t.align %d\n", get_alignment(get_ptr_size()) ); |
| output( ".L__wine_spec_external_links:\n" ); |
| for (i = 0; i < ext_link_imports.count; i++) |
| output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(ext_link_imports.names[i]) ); |
| |
| output( "\n\t.text\n" ); |
| output( "\t.align %d\n", get_alignment(get_ptr_size()) ); |
| output( "%s:\n", asm_name("__wine_spec_external_link_thunks") ); |
| |
| for (i = pos = 0; i < ext_link_imports.count; i++) |
| { |
| char *buffer = strmake( "__wine_spec_ext_link_%s", ext_link_imports.names[i] ); |
| output_import_thunk( buffer, ".L__wine_spec_external_links", pos ); |
| free( buffer ); |
| pos += get_ptr_size(); |
| } |
| output_function_size( "__wine_spec_external_link_thunks" ); |
| } |
| |
| /******************************************************************* |
| * output_stubs |
| * |
| * Output the functions for stub entry points |
| */ |
| void output_stubs( DLLSPEC *spec ) |
| { |
| const char *name, *exp_name; |
| int i, count; |
| |
| if (!has_stubs( spec )) return; |
| |
| output( "\n/* stub functions */\n\n" ); |
| output( "\t.text\n" ); |
| |
| for (i = count = 0; i < spec->nb_entry_points; i++) |
| { |
| ORDDEF *odp = &spec->entry_points[i]; |
| if (odp->type != TYPE_STUB) continue; |
| |
| name = get_stub_name( odp, spec ); |
| exp_name = odp->name ? odp->name : odp->export_name; |
| output( "\t.align %d\n", get_alignment(4) ); |
| output( "\t%s\n", func_declaration(name) ); |
| output( "%s:\n", asm_name(name) ); |
| output_cfi( ".cfi_startproc" ); |
| |
| switch (target_cpu) |
| { |
| case CPU_x86: |
| /* flesh out the stub a bit to make safedisc happy */ |
| output(" \tnop\n" ); |
| output(" \tnop\n" ); |
| output(" \tnop\n" ); |
| output(" \tnop\n" ); |
| output(" \tnop\n" ); |
| output(" \tnop\n" ); |
| output(" \tnop\n" ); |
| output(" \tnop\n" ); |
| output(" \tnop\n" ); |
| |
| output( "\tsubl $12,%%esp\n" ); |
| output_cfi( ".cfi_adjust_cfa_offset 12" ); |
| if (UsePIC) |
| { |
| output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") ); |
| output( "1:" ); |
| if (exp_name) |
| { |
| output( "\tleal .L%s_string-1b(%%eax),%%ecx\n", name ); |
| output( "\tmovl %%ecx,4(%%esp)\n" ); |
| count++; |
| } |
| else |
| output( "\tmovl $%d,4(%%esp)\n", odp->ordinal ); |
| output( "\tleal .L__wine_spec_file_name-1b(%%eax),%%ecx\n" ); |
| output( "\tmovl %%ecx,(%%esp)\n" ); |
| } |
| else |
| { |
| if (exp_name) |
| { |
| output( "\tmovl $.L%s_string,4(%%esp)\n", name ); |
| count++; |
| } |
| else |
| output( "\tmovl $%d,4(%%esp)\n", odp->ordinal ); |
| output( "\tmovl $.L__wine_spec_file_name,(%%esp)\n" ); |
| } |
| output( "\tcall %s\n", asm_name("__wine_spec_unimplemented_stub") ); |
| break; |
| case CPU_x86_64: |
| output( "\tsubq $8,%%rsp\n" ); |
| output_cfi( ".cfi_adjust_cfa_offset 8" ); |
| output( "\tleaq .L__wine_spec_file_name(%%rip),%%rdi\n" ); |
| if (exp_name) |
| { |
| output( "leaq .L%s_string(%%rip),%%rsi\n", name ); |
| count++; |
| } |
| else |
| output( "\tmovq $%d,%%rsi\n", odp->ordinal ); |
| output( "\tcall %s\n", asm_name("__wine_spec_unimplemented_stub") ); |
| break; |
| case CPU_ARM: |
| output( "\tldr r0,2f\n"); |
| output( "\tadd r0,PC\n"); |
| output( "\tldr r1,2f+4\n"); |
| output( "1:" ); |
| if (exp_name) |
| { |
| output( "\tadd r1,PC\n"); |
| count++; |
| } |
| output( "\tbl %s\n", asm_name("__wine_spec_unimplemented_stub") ); |
| output( "2:\t.long .L__wine_spec_file_name-1b\n" ); |
| if (exp_name) output( "\t.long .L%s_string-2b\n", name ); |
| else output( "\t.long %u\n", odp->ordinal ); |
| break; |
| case CPU_ARM64: |
| output( "\tadr x0, 2f\n" ); |
| output( "\tldur x0, [x0, #0]\n" ); |
| output( "\tadr x1, 2f+8\n" ); |
| output( "\tldur x1, [x1, #0]\n" ); |
| output( "\tadr x2, 1f\n" ); |
| output( "\tldur x2, [x2, #0]\n" ); |
| output( "\tblr x2\n" ); |
| output( "1:\t.quad %s\n", asm_name("__wine_spec_unimplemented_stub") ); |
| output( "2:\t.quad %s\n", asm_name("__wine_spec_file_name") ); |
| if (exp_name) |
| { |
| output( "\t.quad .L%s_string\n", name ); |
| count++; |
| } |
| else output( "\t.quad %u\n", odp->ordinal ); |
| break; |
| default: |
| assert(0); |
| } |
| output_cfi( ".cfi_endproc" ); |
| output_function_size( name ); |
| } |
| |
| if (count) |
| { |
| output( "\t%s\n", get_asm_string_section() ); |
| for (i = 0; i < spec->nb_entry_points; i++) |
| { |
| ORDDEF *odp = &spec->entry_points[i]; |
| if (odp->type != TYPE_STUB) continue; |
| exp_name = odp->name ? odp->name : odp->export_name; |
| if (exp_name) |
| { |
| name = get_stub_name( odp, spec ); |
| output( ".L%s_string:\n", name ); |
| output( "\t%s \"%s\"\n", get_asm_string_keyword(), exp_name ); |
| } |
| } |
| } |
| } |
| |
| /* output the import and delayed import tables of a Win32 module */ |
| void output_imports( DLLSPEC *spec ) |
| { |
| output_immediate_imports(); |
| output_delayed_imports( spec ); |
| output_immediate_import_thunks(); |
| output_delayed_import_thunks( spec ); |
| output_external_link_imports( spec ); |
| if (nb_imports || ext_link_imports.count || has_stubs(spec) || has_relays(spec)) |
| output_get_pc_thunk(); |
| } |
| |
| /* output an import library for a Win32 module and additional object files */ |
| void output_import_lib( DLLSPEC *spec, char **argv ) |
| { |
| struct strarray *args; |
| char *def_file; |
| |
| if (target_platform != PLATFORM_WINDOWS) |
| fatal_error( "Unix-style import libraries not supported yet\n" ); |
| |
| def_file = get_temp_file_name( output_file_name, ".def" ); |
| fclose( output_file ); |
| if (!(output_file = fopen( def_file, "w" ))) |
| fatal_error( "Unable to create output file '%s'\n", def_file ); |
| output_def_file( spec, 0 ); |
| fclose( output_file ); |
| output_file = NULL; |
| |
| args = find_tool( "dlltool", NULL ); |
| strarray_add( args, "-k", "-l", output_file_name, "-d", def_file, NULL ); |
| spawn( args ); |
| strarray_free( args ); |
| |
| if (argv[0]) |
| { |
| args = find_tool( "ar", NULL ); |
| strarray_add( args, "rs", output_file_name, NULL ); |
| strarray_addv( args, argv ); |
| spawn( args ); |
| strarray_free( args ); |
| } |
| output_file_name = NULL; |
| } |
