/* 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; }
/* 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_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; } } }
/* 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 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_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 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_ALPHA: output( "\tjsr $26,%s\n", asm_name("__wine_spec_delay_load") ); output( "\tjmp $31,($0)\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%s %s\n", get_asm_ptr_keyword(), 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_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") ); break; case CPU_ALPHA: output( "\tlda $0,%d($31)\n", j); output( "\tldah $0,%d($0)\n", idx); output( "\tjmp $31,%s\n", asm_name("__wine_delay_load_asm") ); 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%s %s\n", get_asm_ptr_keyword(), 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 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_SPARC: if ( !UsePIC ) { output( "\tsethi %%hi(%s+%d), %%g1\n", table, pos ); output( "\tld [%%g1+%%lo(%s+%d)], %%g1\n", table, pos ); output( "\tjmp %%g1\n" ); output( "\tnop\n" ); } else { /* Hmpf. Stupid sparc assembler always interprets global variable names as GOT offsets, so we have to do it the long way ... */ output( "\tsave %%sp, -96, %%sp\n" ); output( "0:\tcall 1f\n" ); output( "\tnop\n" ); output( "1:\tsethi %%hi(%s+%d-0b), %%g1\n", table, pos ); output( "\tor %%g1, %%lo(%s+%d-0b), %%g1\n", table, pos ); output( "\tld [%%g1+%%o7], %%g1\n" ); output( "\tjmp %%g1\n" ); output( "\trestore\n" ); } break; case CPU_ALPHA: output( "\tlda $0,%s\n", table ); output( "\tlda $0,%d($0)\n", pos ); output( "\tjmp $31,($0)\n" ); break; case CPU_ARM: output( "\tldr IP,[PC,#0]\n"); output( "\tmov PC,PC\n"); output( "\t%s %s\n", get_asm_ptr_keyword(), table ); output( "\tldr PC,[IP,#%d]\n", pos); 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 ); }