/* 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 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_asm_constructor * * Output code for calling a dll constructor. */ static void output_asm_constructor( const char *constructor ) { if (target_platform == PLATFORM_APPLE) { /* Mach-O doesn't have an init section */ output( "\n\t.mod_init_func\n" ); output( "\t.align %d\n", get_alignment(get_ptr_size()) ); output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(constructor) ); } else { switch(target_cpu) { case CPU_x86: case CPU_x86_64: // output( "\n\t.section \".init\",\"ax\"\n" ); output( "\n\t.section .init,\"ax\"\n" ); output( "\tcall %s\n", asm_name(constructor) ); break; case CPU_ARM: output( "\n\t.section \".text\",\"ax\"\n" ); output( "\tblx %s\n", asm_name(constructor) ); break; case CPU_ARM64: case CPU_POWERPC: output( "\n\t.section \".init\",\"ax\"\n" ); output( "\tbl %s\n", asm_name(constructor) ); break; } } }
/******************************************************************* * alloc_dll_spec * * Create a new dll spec file descriptor */ DLLSPEC *alloc_dll_spec(void) { DLLSPEC *spec; spec = xmalloc( sizeof(*spec) ); spec->file_name = NULL; spec->dll_name = NULL; spec->init_func = NULL; spec->type = SPEC_WIN32; spec->base = MAX_ORDINALS; spec->limit = 0; spec->stack_size = 0; spec->heap_size = 0; spec->nb_entry_points = 0; spec->alloc_entry_points = 0; spec->nb_names = 0; spec->nb_resources = 0; spec->characteristics = IMAGE_FILE_EXECUTABLE_IMAGE; if (get_ptr_size() > 4) spec->characteristics |= IMAGE_FILE_LARGE_ADDRESS_AWARE; else spec->characteristics |= IMAGE_FILE_32BIT_MACHINE; spec->dll_characteristics = IMAGE_DLLCHARACTERISTICS_NX_COMPAT; spec->subsystem = 0; spec->subsystem_major = 4; spec->subsystem_minor = 0; spec->entry_points = NULL; spec->names = NULL; spec->ordinals = NULL; spec->resources = NULL; return spec; }
const char *get_asm_ptr_keyword(void) { switch(get_ptr_size()) { case 4: return ".long"; case 8: return ".quad"; } assert(0); return NULL; }
static kdump_status process_xen_dumpcore_version(kdump_ctx *ctx, void *data, size_t len) { size_t ptr_size = get_ptr_size(ctx); unsigned long major, minor; const char *extra; char extra_str[XEN_EXTRA_VERSION_SZ + 1]; kdump_status res; if (ptr_size == 8 && len >= sizeof(struct xen_dumpcore_elfnote_xen_version_64)) { struct xen_dumpcore_elfnote_xen_version_64 *ver = data; major = dump64toh(ctx, ver->major_version); minor = dump64toh(ctx, ver->minor_version); extra = ver->extra_version; } else if(ptr_size == 4 && len >= sizeof(struct xen_dumpcore_elfnote_xen_version_32)) { struct xen_dumpcore_elfnote_xen_version_32 *ver = data; major = dump64toh(ctx, ver->major_version); minor = dump64toh(ctx, ver->minor_version); extra = ver->extra_version; } else return kdump_ok; res = set_attr_number(ctx, gattr(ctx, GKI_xen_ver_major), ATTR_DEFAULT, major); if (res != kdump_ok) return res; res = set_attr_number(ctx, gattr(ctx, GKI_xen_ver_minor), ATTR_DEFAULT, minor); if (res != kdump_ok) return res; memcpy(extra_str, extra, XEN_EXTRA_VERSION_SZ); extra_str[XEN_EXTRA_VERSION_SZ] = '\0'; res = set_attr_string(ctx, gattr(ctx, GKI_xen_ver_extra), ATTR_DEFAULT, extra_str); if (res != kdump_ok) return res; return kdump_ok; }
/******************************************************************* * parse_def_export * * Parse an export declaration in a .def file. */ static int parse_def_export( char *name, DLLSPEC *spec ) { int i, args; const char *token = GetToken(1); ORDDEF *odp = add_entry_point( spec ); odp->lineno = current_line; odp->ordinal = -1; odp->name = name; args = remove_stdcall_decoration( odp->name ); if (args == -1) { odp->type = TYPE_CDECL; args = 0; } else { odp->type = TYPE_STDCALL; args /= get_ptr_size(); if (args >= MAX_ARGUMENTS) { error( "Too many arguments in stdcall function '%s'\n", odp->name ); return 0; } for (i = 0; i < args; i++) odp->u.func.args[i] = ARG_LONG; } odp->u.func.nb_args = args; /* check for optional internal name */ if (token && !strcmp( token, "=" )) { if (!(token = GetToken(0))) goto error; odp->link_name = xstrdup( token ); remove_stdcall_decoration( odp->link_name ); token = GetToken(1); } else { odp->link_name = xstrdup( name ); } /* check for optional ordinal */ if (token && token[0] == '@') { int ordinal; if (!IsNumberString( token+1 )) { error( "Expected number after '@', got '%s'\n", token+1 ); goto error; } ordinal = atoi( token+1 ); if (!ordinal) { error( "Ordinal 0 is not valid\n" ); goto error; } if (ordinal >= MAX_ORDINALS) { error( "Ordinal number %d too large\n", ordinal ); goto error; } odp->ordinal = ordinal; token = GetToken(1); } /* check for other optional keywords */ while (token) { if (!strcmp( token, "NONAME" )) { if (odp->ordinal == -1) { error( "NONAME requires an ordinal\n" ); goto error; } odp->export_name = odp->name; odp->name = NULL; odp->flags |= FLAG_NONAME; } else if (!strcmp( token, "PRIVATE" )) { odp->flags |= FLAG_PRIVATE; } else if (!strcmp( token, "DATA" )) { odp->type = TYPE_EXTERN; } else { error( "Garbage text '%s' found at end of export declaration\n", token ); goto error; } token = GetToken(1); } return 1; error: spec->nb_entry_points--; free( odp->name ); return 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%s %d\n", get_asm_short_keyword(), 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_relay_debug * * Output entry points for relay debugging */ static void output_relay_debug( DLLSPEC *spec ) { int i; unsigned int j, args, flags; /* first the table of entry point offsets */ output( "\t%s\n", get_asm_rodata_section() ); output( "\t.align %d\n", get_alignment(4) ); output( ".L__wine_spec_relay_entry_point_offsets:\n" ); for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; if (needs_relay( odp )) output( "\t.long .L__wine_spec_relay_entry_point_%d-__wine_spec_relay_entry_points\n", i ); else output( "\t.long 0\n" ); } /* then the table of argument types */ output( "\t.align %d\n", get_alignment(4) ); output( ".L__wine_spec_relay_arg_types:\n" ); for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; unsigned int mask = 0; if (needs_relay( odp )) { for (j = 0; j < 16 && odp->u.func.arg_types[j]; j++) { if (odp->u.func.arg_types[j] == 't') mask |= 1<< (j*2); if (odp->u.func.arg_types[j] == 'W') mask |= 2<< (j*2); } } output( "\t.long 0x%08x\n", mask ); } /* then the relay thunks */ output( "\t.text\n" ); output( "__wine_spec_relay_entry_points:\n" ); output( "\tnop\n" ); /* to avoid 0 offset */ for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; if (!needs_relay( odp )) continue; output( "\t.align %d\n", get_alignment(4) ); output( ".L__wine_spec_relay_entry_point_%d:\n", i ); args = strlen(odp->u.func.arg_types); flags = 0; switch (target_cpu) { case CPU_x86: if (odp->flags & FLAG_REGISTER) output( "\tpushl %%eax\n" ); else output( "\tpushl %%esp\n" ); if (odp->flags & FLAG_RET64) flags |= 1; output( "\tpushl $%u\n", (flags << 24) | (args << 16) | (i - spec->base) ); if (UsePIC) { output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") ); output( "1:\tleal .L__wine_spec_relay_descr-1b(%%eax),%%eax\n" ); } else output( "\tmovl $.L__wine_spec_relay_descr,%%eax\n" ); output( "\tpushl %%eax\n" ); if (odp->flags & FLAG_REGISTER) { output( "\tcall *8(%%eax)\n" ); } else { output( "\tcall *4(%%eax)\n" ); if (odp->type == TYPE_STDCALL) output( "\tret $%u\n", args * get_ptr_size() ); else output( "\tret\n" ); } break; case CPU_x86_64: output( "\tmovq %%rcx,8(%%rsp)\n" ); output( "\tmovq %%rdx,16(%%rsp)\n" ); output( "\tmovq %%r8,24(%%rsp)\n" ); output( "\tmovq %%r9,32(%%rsp)\n" ); output( "\tmovq %%rsp,%%r8\n" ); output( "\tmovq $%u,%%rdx\n", (flags << 24) | (args << 16) | (i - spec->base) ); output( "\tleaq .L__wine_spec_relay_descr(%%rip),%%rcx\n" ); output( "\tsubq $40,%%rsp\n" ); output( "\tcallq *%u(%%rcx)\n", (odp->flags & FLAG_REGISTER) ? 16 : 8 ); output( "\taddq $40,%%rsp\n" ); output( "\tret\n" ); break; default: assert(0); } } }
/* output the resource definitions */ void output_resources( DLLSPEC *spec ) { int k, nb_id_types; unsigned int i, n; struct res_tree *tree; struct res_type *type; struct res_name *name; const struct resource *res; if (!spec->nb_resources) return; tree = build_resource_tree( spec, NULL ); /* output the resource directories */ output( "\n/* resources */\n\n" ); output( "\t.data\n" ); output( "\t.align %d\n", get_alignment(get_ptr_size()) ); output( ".L__wine_spec_resources:\n" ); for (i = nb_id_types = 0, type = tree->types; i < tree->nb_types; i++, type++) if (!type->type->str) nb_id_types++; output_res_dir( tree->nb_types - nb_id_types, nb_id_types ); /* dump the type directory */ for (i = 0, type = tree->types; i < tree->nb_types; i++, type++) output( "\t.long 0x%08x,0x%08x\n", type->name_offset, type->dir_offset | 0x80000000 ); /* dump the names and languages directories */ for (i = 0, type = tree->types; i < tree->nb_types; i++, type++) { output_res_dir( type->nb_names - type->nb_id_names, type->nb_id_names ); for (n = 0, name = type->names; n < type->nb_names; n++, name++) output( "\t.long 0x%08x,0x%08x\n", name->name_offset, name->dir_offset | 0x80000000 ); for (n = 0, name = type->names; n < type->nb_names; n++, name++) { output_res_dir( 0, name->nb_languages ); for (k = 0, res = name->res; k < name->nb_languages; k++, res++) output( "\t.long 0x%08x,0x%08x\n", res->lang, res->data_offset ); } } /* dump the resource data entries */ for (i = 0, res = spec->resources; i < spec->nb_resources; i++, res++) output( "\t.long .L__wine_spec_res_%d-.L__wine_spec_rva_base,%u,0,0\n", i, (res->data_size + 3) & ~3 ); /* dump the name strings */ for (i = 0, type = tree->types; i < tree->nb_types; i++, type++) { if (type->type->str) output_string( type->type->str ); for (n = 0, name = type->names; n < type->nb_names; n++, name++) if (name->name->str) output_string( name->name->str ); } /* resource data */ for (i = 0, res = spec->resources; i < spec->nb_resources; i++, res++) { output( "\n\t.align %d\n", get_alignment(get_ptr_size()) ); output( ".L__wine_spec_res_%d:\n", i ); dump_res_data( res ); } output( ".L__wine_spec_resources_end:\n" ); output( "\t.byte 0\n" ); free_resource_tree( tree ); }
/******************************************************************* * output_fake_module * * Build a fake binary module from a spec file. */ void output_fake_module( DLLSPEC *spec ) { static const unsigned char dll_code_section[] = { 0x31, 0xc0, /* xor %eax,%eax */ 0xc2, 0x0c, 0x00 }; /* ret $12 */ static const unsigned char exe_code_section[] = { 0xb8, 0x01, 0x00, 0x00, 0x00, /* movl $1,%eax */ 0xc2, 0x04, 0x00 }; /* ret $4 */ static const char fakedll_signature[] = "Wine placeholder DLL"; const unsigned int page_size = get_page_size(); const unsigned int section_align = page_size; const unsigned int file_align = 0x200; const unsigned int reloc_size = 8; const unsigned int lfanew = (0x40 + sizeof(fakedll_signature) + 15) & ~15; const unsigned int nb_sections = 2 + (spec->nb_resources != 0); const unsigned int text_size = (spec->characteristics & IMAGE_FILE_DLL) ? sizeof(dll_code_section) : sizeof(exe_code_section); unsigned char *resources; unsigned int resources_size; unsigned int image_size = 3 * section_align; resolve_imports( spec ); output_bin_resources( spec, 3 * section_align ); resources = output_buffer; resources_size = output_buffer_pos; if (resources_size) image_size += (resources_size + section_align - 1) & ~(section_align - 1); init_output_buffer(); put_word( 0x5a4d ); /* e_magic */ put_word( 0x40 ); /* e_cblp */ put_word( 0x01 ); /* e_cp */ put_word( 0 ); /* e_crlc */ put_word( lfanew / 16 ); /* e_cparhdr */ put_word( 0x0000 ); /* e_minalloc */ put_word( 0xffff ); /* e_maxalloc */ put_word( 0x0000 ); /* e_ss */ put_word( 0x00b8 ); /* e_sp */ put_word( 0 ); /* e_csum */ put_word( 0 ); /* e_ip */ put_word( 0 ); /* e_cs */ put_word( lfanew ); /* e_lfarlc */ put_word( 0 ); /* e_ovno */ put_dword( 0 ); /* e_res */ put_dword( 0 ); put_word( 0 ); /* e_oemid */ put_word( 0 ); /* e_oeminfo */ put_dword( 0 ); /* e_res2 */ put_dword( 0 ); put_dword( 0 ); put_dword( 0 ); put_dword( 0 ); put_dword( lfanew ); put_data( fakedll_signature, sizeof(fakedll_signature) ); align_output( 16 ); put_dword( 0x4550 ); /* Signature */ switch(target_cpu) { case CPU_x86: put_word( IMAGE_FILE_MACHINE_I386 ); break; case CPU_x86_64: put_word( IMAGE_FILE_MACHINE_AMD64 ); break; case CPU_POWERPC: put_word( IMAGE_FILE_MACHINE_POWERPC ); break; case CPU_SPARC: put_word( IMAGE_FILE_MACHINE_SPARC ); break; case CPU_ARM: put_word( IMAGE_FILE_MACHINE_ARMV7 ); break; } put_word( nb_sections ); /* NumberOfSections */ put_dword( 0 ); /* TimeDateStamp */ put_dword( 0 ); /* PointerToSymbolTable */ put_dword( 0 ); /* NumberOfSymbols */ put_word( get_ptr_size() == 8 ? IMAGE_SIZEOF_NT_OPTIONAL64_HEADER : IMAGE_SIZEOF_NT_OPTIONAL32_HEADER ); /* SizeOfOptionalHeader */ put_word( spec->characteristics ); /* Characteristics */ put_word( get_ptr_size() == 8 ? IMAGE_NT_OPTIONAL_HDR64_MAGIC : IMAGE_NT_OPTIONAL_HDR32_MAGIC ); /* Magic */ put_byte( 0 ); /* MajorLinkerVersion */ put_byte( 0 ); /* MinorLinkerVersion */ put_dword( text_size ); /* SizeOfCode */ put_dword( 0 ); /* SizeOfInitializedData */ put_dword( 0 ); /* SizeOfUninitializedData */ put_dword( section_align ); /* AddressOfEntryPoint */ put_dword( section_align ); /* BaseOfCode */ if (get_ptr_size() == 4) put_dword( 0 ); /* BaseOfData */ put_pword( 0x10000000 ); /* ImageBase */ put_dword( section_align ); /* SectionAlignment */ put_dword( file_align ); /* FileAlignment */ put_word( 1 ); /* MajorOperatingSystemVersion */ put_word( 0 ); /* MinorOperatingSystemVersion */ put_word( 0 ); /* MajorImageVersion */ put_word( 0 ); /* MinorImageVersion */ put_word( spec->subsystem_major ); /* MajorSubsystemVersion */ put_word( spec->subsystem_minor ); /* MinorSubsystemVersion */ put_dword( 0 ); /* Win32VersionValue */ put_dword( image_size ); /* SizeOfImage */ put_dword( file_align ); /* SizeOfHeaders */ put_dword( 0 ); /* CheckSum */ put_word( spec->subsystem ); /* Subsystem */ put_word( spec->dll_characteristics ); /* DllCharacteristics */ put_pword( (spec->stack_size ? spec->stack_size : 1024) * 1024 ); /* SizeOfStackReserve */ put_pword( page_size ); /* SizeOfStackCommit */ put_pword( (spec->heap_size ? spec->heap_size : 1024) * 1024 ); /* SizeOfHeapReserve */ put_pword( page_size ); /* SizeOfHeapCommit */ put_dword( 0 ); /* LoaderFlags */ put_dword( 16 ); /* NumberOfRvaAndSizes */ put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */ put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */ if (resources_size) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */ { put_dword( 3 * section_align ); put_dword( resources_size ); } else { put_dword( 0 ); put_dword( 0 ); } put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXCEPTION] */ put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY] */ put_dword( 2 * section_align ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC] */ put_dword( reloc_size ); put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG] */ put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COPYRIGHT] */ put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_GLOBALPTR] */ put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS] */ put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG] */ put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT] */ put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT] */ put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT] */ put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR] */ put_dword( 0 ); put_dword( 0 ); /* DataDirectory[15] */ /* .text section */ put_data( ".text\0\0", 8 ); /* Name */ put_dword( section_align ); /* VirtualSize */ put_dword( section_align ); /* VirtualAddress */ put_dword( text_size ); /* SizeOfRawData */ put_dword( file_align ); /* PointerToRawData */ put_dword( 0 ); /* PointerToRelocations */ put_dword( 0 ); /* PointerToLinenumbers */ put_word( 0 ); /* NumberOfRelocations */ put_word( 0 ); /* NumberOfLinenumbers */ put_dword( 0x60000020 /* CNT_CODE|MEM_EXECUTE|MEM_READ */ ); /* Characteristics */ /* .reloc section */ put_data( ".reloc\0", 8 ); /* Name */ put_dword( section_align ); /* VirtualSize */ put_dword( 2 * section_align );/* VirtualAddress */ put_dword( reloc_size ); /* SizeOfRawData */ put_dword( 2 * file_align ); /* PointerToRawData */ put_dword( 0 ); /* PointerToRelocations */ put_dword( 0 ); /* PointerToLinenumbers */ put_word( 0 ); /* NumberOfRelocations */ put_word( 0 ); /* NumberOfLinenumbers */ put_dword( 0x42000040 /* CNT_INITIALIZED_DATA|MEM_DISCARDABLE|MEM_READ */ ); /* Characteristics */ /* .rsrc section */ if (resources_size) { put_data( ".rsrc\0\0", 8 ); /* Name */ put_dword( (resources_size + section_align - 1) & ~(section_align - 1) ); /* VirtualSize */ put_dword( 3 * section_align );/* VirtualAddress */ put_dword( resources_size ); /* SizeOfRawData */ put_dword( 3 * file_align ); /* PointerToRawData */ put_dword( 0 ); /* PointerToRelocations */ put_dword( 0 ); /* PointerToLinenumbers */ put_word( 0 ); /* NumberOfRelocations */ put_word( 0 ); /* NumberOfLinenumbers */ put_dword( 0x40000040 /* CNT_INITIALIZED_DATA|MEM_READ */ ); /* Characteristics */ } /* .text contents */ align_output( file_align ); if (spec->characteristics & IMAGE_FILE_DLL) put_data( dll_code_section, sizeof(dll_code_section) ); else put_data( exe_code_section, sizeof(exe_code_section) ); /* .reloc contents */ align_output( file_align ); put_dword( 0 ); /* VirtualAddress */ put_dword( 0 ); /* SizeOfBlock */ /* .rsrc contents */ if (resources_size) { align_output( file_align ); put_data( resources, resources_size ); } flush_output_buffer(); }
/******************************************************************* * output_module * * Output the module data. */ void output_module( DLLSPEC *spec ) { int machine = 0; unsigned int page_size = get_page_size(); /* Reserve some space for the PE header */ switch (target_platform) { case PLATFORM_APPLE: output( "\t.text\n" ); output( "\t.align %d\n", get_alignment(page_size) ); output( "__wine_spec_pe_header:\n" ); output( "\t.space 65536\n" ); break; case PLATFORM_SOLARIS: output( "\n\t.section \".text\",\"ax\"\n" ); output( "__wine_spec_pe_header:\n" ); output( "\t.skip %u\n", 65536 + page_size ); break; default: output( "\n\t.section \".init\",\"ax\"\n" ); switch(target_cpu) { case CPU_x86: case CPU_x86_64: case CPU_SPARC: output( "\tjmp 1f\n" ); break; case CPU_ARM: case CPU_POWERPC: output( "\tb 1f\n" ); break; } output( "__wine_spec_pe_header:\n" ); output( "\t.skip %u\n", 65536 + page_size ); output( "1:\n" ); break; } /* Output the NT header */ output( "\n\t.data\n" ); output( "\t.align %d\n", get_alignment(get_ptr_size()) ); output( "%s\n", asm_globl("__wine_spec_nt_header") ); output( ".L__wine_spec_rva_base:\n" ); output( "\t.long 0x4550\n" ); /* Signature */ switch(target_cpu) { case CPU_x86: machine = IMAGE_FILE_MACHINE_I386; break; case CPU_x86_64: machine = IMAGE_FILE_MACHINE_AMD64; break; case CPU_ARM: machine = IMAGE_FILE_MACHINE_ARMV7; break; case CPU_POWERPC: machine = IMAGE_FILE_MACHINE_POWERPC; break; case CPU_SPARC: machine = IMAGE_FILE_MACHINE_SPARC; break; } output( "\t%s 0x%04x\n", /* Machine */ get_asm_short_keyword(), machine ); output( "\t%s 0\n", /* NumberOfSections */ get_asm_short_keyword() ); output( "\t.long 0\n" ); /* TimeDateStamp */ output( "\t.long 0\n" ); /* PointerToSymbolTable */ output( "\t.long 0\n" ); /* NumberOfSymbols */ output( "\t%s %d\n", /* SizeOfOptionalHeader */ get_asm_short_keyword(), get_ptr_size() == 8 ? IMAGE_SIZEOF_NT_OPTIONAL64_HEADER : IMAGE_SIZEOF_NT_OPTIONAL32_HEADER ); output( "\t%s 0x%04x\n", /* Characteristics */ get_asm_short_keyword(), spec->characteristics ); output( "\t%s 0x%04x\n", /* Magic */ get_asm_short_keyword(), get_ptr_size() == 8 ? IMAGE_NT_OPTIONAL_HDR64_MAGIC : IMAGE_NT_OPTIONAL_HDR32_MAGIC ); output( "\t.byte 0\n" ); /* MajorLinkerVersion */ output( "\t.byte 0\n" ); /* MinorLinkerVersion */ output( "\t.long 0\n" ); /* SizeOfCode */ output( "\t.long 0\n" ); /* SizeOfInitializedData */ output( "\t.long 0\n" ); /* SizeOfUninitializedData */ /* note: we expand the AddressOfEntryPoint field on 64-bit by overwriting the BaseOfCode field */ output( "\t%s %s\n", /* AddressOfEntryPoint */ get_asm_ptr_keyword(), spec->init_func ? asm_name(spec->init_func) : "0" ); if (get_ptr_size() == 4) { output( "\t.long 0\n" ); /* BaseOfCode */ output( "\t.long 0\n" ); /* BaseOfData */ } output( "\t%s __wine_spec_pe_header\n", /* ImageBase */ get_asm_ptr_keyword() ); output( "\t.long %u\n", page_size ); /* SectionAlignment */ output( "\t.long %u\n", page_size ); /* FileAlignment */ output( "\t%s 1,0\n", /* Major/MinorOperatingSystemVersion */ get_asm_short_keyword() ); output( "\t%s 0,0\n", /* Major/MinorImageVersion */ get_asm_short_keyword() ); output( "\t%s %u,%u\n", /* Major/MinorSubsystemVersion */ get_asm_short_keyword(), spec->subsystem_major, spec->subsystem_minor ); output( "\t.long 0\n" ); /* Win32VersionValue */ output( "\t.long %s-.L__wine_spec_rva_base\n", /* SizeOfImage */ asm_name("_end") ); output( "\t.long %u\n", page_size ); /* SizeOfHeaders */ output( "\t.long 0\n" ); /* CheckSum */ output( "\t%s 0x%04x\n", /* Subsystem */ get_asm_short_keyword(), spec->subsystem ); output( "\t%s 0x%04x\n", /* DllCharacteristics */ get_asm_short_keyword(), spec->dll_characteristics ); output( "\t%s %u,%u\n", /* SizeOfStackReserve/Commit */ get_asm_ptr_keyword(), (spec->stack_size ? spec->stack_size : 1024) * 1024, page_size ); output( "\t%s %u,%u\n", /* SizeOfHeapReserve/Commit */ get_asm_ptr_keyword(), (spec->heap_size ? spec->heap_size : 1024) * 1024, page_size ); output( "\t.long 0\n" ); /* LoaderFlags */ output( "\t.long 16\n" ); /* NumberOfRvaAndSizes */ if (spec->base <= spec->limit) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */ output( "\t.long .L__wine_spec_exports-.L__wine_spec_rva_base," ".L__wine_spec_exports_end-.L__wine_spec_exports\n" ); else output( "\t.long 0,0\n" ); if (has_imports()) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */ output( "\t.long .L__wine_spec_imports-.L__wine_spec_rva_base," ".L__wine_spec_imports_end-.L__wine_spec_imports\n" ); else output( "\t.long 0,0\n" ); if (spec->nb_resources) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */ output( "\t.long .L__wine_spec_resources-.L__wine_spec_rva_base," ".L__wine_spec_resources_end-.L__wine_spec_resources\n" ); else output( "\t.long 0,0\n" ); output( "\t.long 0,0\n" ); /* DataDirectory[3] */ output( "\t.long 0,0\n" ); /* DataDirectory[4] */ output( "\t.long 0,0\n" ); /* DataDirectory[5] */ output( "\t.long 0,0\n" ); /* DataDirectory[6] */ output( "\t.long 0,0\n" ); /* DataDirectory[7] */ output( "\t.long 0,0\n" ); /* DataDirectory[8] */ output( "\t.long 0,0\n" ); /* DataDirectory[9] */ output( "\t.long 0,0\n" ); /* DataDirectory[10] */ output( "\t.long 0,0\n" ); /* DataDirectory[11] */ output( "\t.long 0,0\n" ); /* DataDirectory[12] */ output( "\t.long 0,0\n" ); /* DataDirectory[13] */ output( "\t.long 0,0\n" ); /* DataDirectory[14] */ output( "\t.long 0,0\n" ); /* DataDirectory[15] */ output( "\n\t%s\n", get_asm_string_section() ); output( "%s\n", asm_globl("__wine_spec_file_name") ); output( ".L__wine_spec_file_name:\n" ); output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name ); if (target_platform == PLATFORM_APPLE) output( "\t.lcomm %s,4\n", asm_name("_end") ); output_asm_constructor( "__wine_spec_init_ctor" ); }
/******************************************************************* * output_exports * * Output the export table for a Win32 module. */ void output_exports( DLLSPEC *spec ) { int i, fwd_size = 0; int nr_exports = spec->base <= spec->limit ? spec->limit - spec->base + 1 : 0; if (!nr_exports) return; output( "\n/* export table */\n\n" ); output( "\t.data\n" ); output( "\t.align %d\n", get_alignment(4) ); output( ".L__wine_spec_exports:\n" ); /* export directory header */ output( "\t.long 0\n" ); /* Characteristics */ output( "\t.long 0\n" ); /* TimeDateStamp */ output( "\t.long 0\n" ); /* MajorVersion/MinorVersion */ output( "\t.long .L__wine_spec_exp_names-.L__wine_spec_rva_base\n" ); /* Name */ output( "\t.long %u\n", spec->base ); /* Base */ output( "\t.long %u\n", nr_exports ); /* NumberOfFunctions */ output( "\t.long %u\n", spec->nb_names ); /* NumberOfNames */ output( "\t.long .L__wine_spec_exports_funcs-.L__wine_spec_rva_base\n" ); /* AddressOfFunctions */ if (spec->nb_names) { output( "\t.long .L__wine_spec_exp_name_ptrs-.L__wine_spec_rva_base\n" ); /* AddressOfNames */ output( "\t.long .L__wine_spec_exp_ordinals-.L__wine_spec_rva_base\n" ); /* AddressOfNameOrdinals */ } else { output( "\t.long 0\n" ); /* AddressOfNames */ output( "\t.long 0\n" ); /* AddressOfNameOrdinals */ } /* output the function pointers */ output( "\n.L__wine_spec_exports_funcs:\n" ); for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; if (!odp) output( "\t%s 0\n", get_asm_ptr_keyword() ); else switch(odp->type) { case TYPE_EXTERN: case TYPE_STDCALL: case TYPE_VARARGS: case TYPE_CDECL: case TYPE_THISCALL: if (odp->flags & FLAG_FORWARD) { output( "\t%s .L__wine_spec_forwards+%u\n", get_asm_ptr_keyword(), fwd_size ); fwd_size += strlen(odp->link_name) + 1; } else if (odp->flags & FLAG_EXT_LINK) { output( "\t%s %s_%s\n", get_asm_ptr_keyword(), asm_name("__wine_spec_ext_link"), odp->link_name ); } else { output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp->link_name) ); } break; case TYPE_STUB: output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name( get_stub_name( odp, spec )) ); break; default: assert(0); } } if (spec->nb_names) { /* output the function name pointers */ int namepos = strlen(spec->file_name) + 1; output( "\n.L__wine_spec_exp_name_ptrs:\n" ); for (i = 0; i < spec->nb_names; i++) { output( "\t.long .L__wine_spec_exp_names+%u-.L__wine_spec_rva_base\n", namepos ); namepos += strlen(spec->names[i]->name) + 1; } /* output the function ordinals */ output( "\n.L__wine_spec_exp_ordinals:\n" ); for (i = 0; i < spec->nb_names; i++) { output( "\t%s %d\n", get_asm_short_keyword(), spec->names[i]->ordinal - spec->base ); } if (spec->nb_names % 2) { output( "\t%s 0\n", get_asm_short_keyword() ); } } /* output the export name strings */ output( "\n.L__wine_spec_exp_names:\n" ); output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name ); for (i = 0; i < spec->nb_names; i++) output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->names[i]->name ); /* output forward strings */ if (fwd_size) { output( "\n.L__wine_spec_forwards:\n" ); for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; if (odp && (odp->flags & FLAG_FORWARD)) output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp->link_name ); } } output( "\t.align %d\n", get_alignment(get_ptr_size()) ); output( ".L__wine_spec_exports_end:\n" ); /* output relays */ if (!has_relays( spec )) { output( "\t%s 0\n", get_asm_ptr_keyword() ); return; } output( ".L__wine_spec_relay_descr:\n" ); output( "\t%s 0xdeb90001\n", get_asm_ptr_keyword() ); /* magic */ output( "\t%s 0,0\n", get_asm_ptr_keyword() ); /* relay funcs */ output( "\t%s 0\n", get_asm_ptr_keyword() ); /* private data */ output( "\t%s __wine_spec_relay_entry_points\n", get_asm_ptr_keyword() ); output( "\t%s .L__wine_spec_relay_entry_point_offsets\n", get_asm_ptr_keyword() ); output( "\t%s .L__wine_spec_relay_arg_types\n", get_asm_ptr_keyword() ); output_relay_debug( spec ); }
/* 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" ); }
/* These fields in kdump_ctx must be initialised: * * endian * ptr_size */ static kdump_status process_xen_crash_info(kdump_ctx *ctx, void *data, size_t len) { size_t ptr_size = get_ptr_size(ctx); unsigned words = len / ptr_size; int version; unsigned long major, minor; kdump_vaddr_t extra; kdump_pfn_t p2m_mfn = 0; kdump_paddr_t phys_start = 0; kdump_status res; set_xen_type(ctx, kdump_xen_system); version = 0; if (ptr_size == 8 && len >= sizeof(struct xen_crash_info_64)) { struct xen_crash_info_64 *info = data; major = dump64toh(ctx, info->xen_major_version); minor = dump64toh(ctx, info->xen_minor_version); extra = dump64toh(ctx, info->xen_extra_version); if (len > sizeof(struct xen_crash_info_64)) { p2m_mfn = dump64toh(ctx, ((uint64_t*)data)[words-1]); version = 1; } if (ctx->shared->arch_ops == &x86_64_ops && len >= sizeof(struct xen_crash_info_x86_64)) { struct xen_crash_info_x86_64 *xinfo = data; phys_start = dump64toh(ctx, xinfo->xen_phys_start); version = 2; } } else if (ptr_size == 4 && len >= sizeof(struct xen_crash_info_32)){ struct xen_crash_info_32 *info = data; major = dump32toh(ctx, info->xen_major_version); minor = dump32toh(ctx, info->xen_minor_version); extra = dump32toh(ctx, info->xen_extra_version); if (len > sizeof(struct xen_crash_info_64)) { version = 1; p2m_mfn = dump32toh(ctx, ((uint32_t*)data)[words-1]); } if (ctx->shared->arch_ops == &ia32_ops && len >= sizeof(struct xen_crash_info_x86)) { struct xen_crash_info_x86 *xinfo = data; phys_start = dump32toh(ctx, xinfo->xen_phys_start); version = 2; } } else return kdump_ok; res = set_attr_number(ctx, gattr(ctx, GKI_xen_ver_major), ATTR_DEFAULT, major); if (res != kdump_ok) return res; res = set_attr_number(ctx, gattr(ctx, GKI_xen_ver_minor), ATTR_DEFAULT, minor); if (res != kdump_ok) return res; res = set_attr_address(ctx, gattr(ctx, GKI_xen_ver_extra_addr), ATTR_DEFAULT, extra); if (res != kdump_ok) return res; if (version >= 1) { res = set_attr_address(ctx, gattr(ctx, GKI_xen_p2m_mfn), ATTR_DEFAULT, p2m_mfn); if (res != kdump_ok) return res; } if (version >= 2) { res = set_attr_address(ctx, gattr(ctx, GKI_xen_phys_start), ATTR_DEFAULT, phys_start); if (res != kdump_ok) return res; } return kdump_ok; }
/******************************************************************* * output_relay_debug * * Output entry points for relay debugging */ static void output_relay_debug( FILE *outfile, DLLSPEC *spec ) { unsigned int i, j, args, flags; /* first the table of entry point offsets */ fprintf( outfile, "\t%s\n", get_asm_rodata_section() ); fprintf( outfile, "\t.align %d\n", get_alignment(4) ); fprintf( outfile, ".L__wine_spec_relay_entry_point_offsets:\n" ); for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; if (needs_relay( odp )) fprintf( outfile, "\t.long .L__wine_spec_relay_entry_point_%d-__wine_spec_relay_entry_points\n", i ); else fprintf( outfile, "\t.long 0\n" ); } /* then the table of argument types */ fprintf( outfile, "\t.align %d\n", get_alignment(4) ); fprintf( outfile, ".L__wine_spec_relay_arg_types:\n" ); for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; unsigned int mask = 0; if (needs_relay( odp )) { for (j = 0; j < 16 && odp->u.func.arg_types[j]; j++) { if (odp->u.func.arg_types[j] == 't') mask |= 1<< (j*2); if (odp->u.func.arg_types[j] == 'W') mask |= 2<< (j*2); } } fprintf( outfile, "\t.long 0x%08x\n", mask ); } /* then the relay thunks */ fprintf( outfile, "\t.text\n" ); fprintf( outfile, "__wine_spec_relay_entry_points:\n" ); fprintf( outfile, "\tnop\n" ); /* to avoid 0 offset */ for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; if (!needs_relay( odp )) continue; fprintf( outfile, "\t.align %d\n", get_alignment(4) ); fprintf( outfile, ".L__wine_spec_relay_entry_point_%d:\n", i ); if (odp->flags & FLAG_REGISTER) fprintf( outfile, "\tpushl %%eax\n" ); else fprintf( outfile, "\tpushl %%esp\n" ); args = strlen(odp->u.func.arg_types); flags = 0; if (odp->flags & FLAG_RET64) flags |= 1; if (odp->type == TYPE_STDCALL) flags |= 2; fprintf( outfile, "\tpushl $%u\n", (flags << 24) | (args << 16) | (i - spec->base) ); if (UsePIC) { fprintf( outfile, "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") ); fprintf( outfile, "1:\tleal .L__wine_spec_relay_descr-1b(%%eax),%%eax\n" ); } else fprintf( outfile, "\tmovl $.L__wine_spec_relay_descr,%%eax\n" ); fprintf( outfile, "\tpushl %%eax\n" ); if (odp->flags & FLAG_REGISTER) { fprintf( outfile, "\tcall *8(%%eax)\n" ); } else { fprintf( outfile, "\tcall *4(%%eax)\n" ); if (odp->type == TYPE_STDCALL) fprintf( outfile, "\tret $%u\n", args * get_ptr_size() ); else fprintf( outfile, "\tret\n" ); } } }
/******************************************************************* * BuildDef32File * * Build a Win32 def file from a spec file. */ void BuildDef32File( FILE *outfile, DLLSPEC *spec ) { const char *name; int i, total; if (spec_file_name) fprintf( outfile, "; File generated automatically from %s; do not edit!\n\n", spec_file_name ); else fprintf( outfile, "; File generated automatically; do not edit!\n\n" ); fprintf(outfile, "LIBRARY %s\n\n", spec->file_name); fprintf(outfile, "EXPORTS\n"); /* Output the exports and relay entry points */ for (i = total = 0; i < spec->nb_entry_points; i++) { const ORDDEF *odp = &spec->entry_points[i]; int is_data = 0; if (!odp) continue; if (odp->name) name = odp->name; else if (odp->export_name) name = odp->export_name; else continue; if (!(odp->flags & FLAG_PRIVATE)) total++; if (odp->type == TYPE_STUB) continue; fprintf(outfile, " %s", name); switch(odp->type) { case TYPE_EXTERN: is_data = 1; /* fall through */ case TYPE_VARARGS: case TYPE_CDECL: /* try to reduce output */ if(strcmp(name, odp->link_name) || (odp->flags & FLAG_FORWARD)) fprintf(outfile, "=%s", odp->link_name); break; case TYPE_STDCALL: { int at_param = strlen(odp->u.func.arg_types) * get_ptr_size(); if (!kill_at) fprintf(outfile, "@%d", at_param); if (odp->flags & FLAG_FORWARD) { fprintf(outfile, "=%s", odp->link_name); } else if (strcmp(name, odp->link_name)) /* try to reduce output */ { fprintf(outfile, "=%s", odp->link_name); if (!kill_at) fprintf(outfile, "@%d", at_param); } break; } default: assert(0); } fprintf( outfile, " @%d", odp->ordinal ); if (!odp->name) fprintf( outfile, " NONAME" ); if (is_data) fprintf( outfile, " DATA" ); if (odp->flags & FLAG_PRIVATE) fprintf( outfile, " PRIVATE" ); fprintf( outfile, "\n" ); } if (!total) warning( "%s: Import library doesn't export anything\n", spec->file_name ); }
/* 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_SPARC: output( "\tsave %%sp, -96, %%sp\n" ); output( "\tcall %s\n", asm_name("__wine_spec_delay_load") ); output( "\tmov %%g1, %%o0\n" ); output( "\tjmp %%o0\n" ); output( "\trestore\n" ); break; case CPU_ARM: output( "\tstmfd SP!, {r4-r10,FP,LR}\n" ); output( "\tmov LR,PC\n"); output( "\tadd LR,LR,#8\n"); output( "\tldr PC,[PC,#-4]\n"); output( "\t.long %s\n", asm_name("__wine_spec_delay_load") ); output( "\tmov IP,r0\n"); output( "\tldmfd SP!, {r4-r10,FP,LR}\n" ); output( "\tldmfd SP!, {r0-r3}\n" ); output( "\tmov PC,IP\n"); 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_SPARC: output( "\tset %d, %%g1\n", (idx << 16) | j ); output( "\tb,a %s\n", asm_name("__wine_delay_load_asm") ); output( "\tnop\n" ); break; case CPU_ARM: output( "\tstmfd SP!, {r0-r3}\n" ); output( "\tmov r0, #%d\n", idx ); output( "\tmov r1, #16384\n" ); output( "\tmul r1, r0, r1\n" ); output( "\tmov r0, r1\n" ); output( "\tmov r1, #4\n" ); output( "\tmul r1, r0, r1\n" ); output( "\tmov r0, r1\n" ); output( "\tadd r0, #%d\n", j ); output( "\tldr PC,[PC,#-4]\n"); output( "\t.long %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_relay_debug * * Output entry points for relay debugging */ static void output_relay_debug( DLLSPEC *spec ) { int i, j; unsigned int pos, args, flags; /* first the table of entry point offsets */ output( "\t%s\n", get_asm_rodata_section() ); output( "\t.align %d\n", get_alignment(4) ); output( ".L__wine_spec_relay_entry_point_offsets:\n" ); for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; if (needs_relay( odp )) output( "\t.long .L__wine_spec_relay_entry_point_%d-__wine_spec_relay_entry_points\n", i ); else output( "\t.long 0\n" ); } /* then the table of argument types */ output( "\t.align %d\n", get_alignment(4) ); output( ".L__wine_spec_relay_arg_types:\n" ); for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; unsigned int mask = 0; if (needs_relay( odp )) { for (j = pos = 0; pos < 16 && j < odp->u.func.nb_args; j++) { switch (odp->u.func.args[j]) { case ARG_STR: mask |= 1 << (2 * pos++); break; case ARG_WSTR: mask |= 2 << (2 * pos++); break; case ARG_INT64: case ARG_DOUBLE: pos += 8 / get_ptr_size(); break; case ARG_INT128: pos += (target_cpu == CPU_x86) ? 4 : 1; break; default: pos++; break; } } } output( "\t.long 0x%08x\n", mask ); } /* then the relay thunks */ output( "\t.text\n" ); output( "__wine_spec_relay_entry_points:\n" ); output( "\tnop\n" ); /* to avoid 0 offset */ for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; if (!needs_relay( odp )) continue; output( "\t.align %d\n", get_alignment(4) ); output( ".L__wine_spec_relay_entry_point_%d:\n", i ); output_cfi( ".cfi_startproc" ); args = get_args_size(odp) / get_ptr_size(); flags = 0; switch (target_cpu) { case CPU_x86: if (odp->type == TYPE_THISCALL) /* add the this pointer */ { output( "\tpopl %%eax\n" ); output( "\tpushl %%ecx\n" ); output( "\tpushl %%eax\n" ); flags |= 2; } if (odp->flags & FLAG_REGISTER) output( "\tpushl %%eax\n" ); else output( "\tpushl %%esp\n" ); output_cfi( ".cfi_adjust_cfa_offset 4" ); if (odp->flags & FLAG_RET64) flags |= 1; output( "\tpushl $%u\n", (flags << 24) | (args << 16) | (i - spec->base) ); output_cfi( ".cfi_adjust_cfa_offset 4" ); if (UsePIC) { output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") ); output( "1:\tleal .L__wine_spec_relay_descr-1b(%%eax),%%eax\n" ); } else output( "\tmovl $.L__wine_spec_relay_descr,%%eax\n" ); output( "\tpushl %%eax\n" ); output_cfi( ".cfi_adjust_cfa_offset 4" ); if (odp->flags & FLAG_REGISTER) { output( "\tcall *8(%%eax)\n" ); } else { output( "\tcall *4(%%eax)\n" ); output_cfi( ".cfi_adjust_cfa_offset -12" ); if (odp->type == TYPE_STDCALL || odp->type == TYPE_THISCALL) output( "\tret $%u\n", args * get_ptr_size() ); else output( "\tret\n" ); } break; case CPU_x86_64: output( "\tsubq $40,%%rsp\n" ); output_cfi( ".cfi_adjust_cfa_offset 40" ); switch (args) { default: output( "\tmovq %%%s,72(%%rsp)\n", is_float_arg( odp, 3 ) ? "xmm3" : "r9" ); /* fall through */ case 3: output( "\tmovq %%%s,64(%%rsp)\n", is_float_arg( odp, 2 ) ? "xmm2" : "r8" ); /* fall through */ case 2: output( "\tmovq %%%s,56(%%rsp)\n", is_float_arg( odp, 1 ) ? "xmm1" : "rdx" ); /* fall through */ case 1: output( "\tmovq %%%s,48(%%rsp)\n", is_float_arg( odp, 0 ) ? "xmm0" : "rcx" ); /* fall through */ case 0: break; } output( "\tleaq 40(%%rsp),%%r8\n" ); output( "\tmovq $%u,%%rdx\n", (flags << 24) | (args << 16) | (i - spec->base) ); output( "\tleaq .L__wine_spec_relay_descr(%%rip),%%rcx\n" ); output( "\tcallq *8(%%rcx)\n" ); output( "\taddq $40,%%rsp\n" ); output_cfi( ".cfi_adjust_cfa_offset -40" ); output( "\tret\n" ); break; default: assert(0); } output_cfi( ".cfi_endproc" ); } }