/* * 32-bit spec files * * Copyright 1993 Robert J. Amstadt * Copyright 1995 Martin von Loewis * Copyright 1995, 1996, 1997 Alexandre Julliard * Copyright 1997 Eric Youngdale * Copyright 1999 Ulrich Weigand * * 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 #include #include #include #include "build.h" #define IMAGE_FILE_MACHINE_UNKNOWN 0 #define IMAGE_FILE_MACHINE_I386 0x014c #define IMAGE_FILE_MACHINE_POWERPC 0x01f0 #define IMAGE_FILE_MACHINE_AMD64 0x8664 #define IMAGE_FILE_MACHINE_ARMNT 0x01C4 #define IMAGE_FILE_MACHINE_ARM64 0xaa64 #define IMAGE_SIZEOF_NT_OPTIONAL32_HEADER 224 #define IMAGE_SIZEOF_NT_OPTIONAL64_HEADER 240 #define IMAGE_NT_OPTIONAL_HDR32_MAGIC 0x10b #define IMAGE_NT_OPTIONAL_HDR64_MAGIC 0x20b #define IMAGE_ROM_OPTIONAL_HDR_MAGIC 0x107 int needs_get_pc_thunk = 0; static const char builtin_signature[32] = "Wine builtin DLL"; static const char fakedll_signature[32] = "Wine placeholder DLL"; static struct strarray spec_extra_ld_symbols = { 0 }; /* list of extra symbols that ld should resolve */ /* add a symbol to the list of extra symbols that ld must resolve */ void add_spec_extra_ld_symbol( const char *name ) { strarray_add( &spec_extra_ld_symbols, name, NULL ); } static unsigned int hash_filename( const char *name ) { /* FNV-1 hash */ unsigned int ret = 2166136261u; while (*name) ret = (ret * 16777619) ^ *name++; return ret; } /* check if entry point needs a relay thunk */ static inline int needs_relay( const ORDDEF *odp ) { /* skip nonexistent entry points */ if (!odp) return 0; /* skip non-functions */ switch (odp->type) { case TYPE_STDCALL: case TYPE_CDECL: break; case TYPE_STUB: if (odp->u.func.nb_args != -1) break; /* fall through */ default: return 0; } /* skip norelay and forward entry points */ if (odp->flags & (FLAG_NORELAY|FLAG_FORWARD)) return 0; return 1; } static int is_float_arg( const ORDDEF *odp, int arg ) { if (arg >= odp->u.func.nb_args) return 0; return (odp->u.func.args[arg] == ARG_FLOAT || odp->u.func.args[arg] == ARG_DOUBLE); } /* check if dll will output relay thunks */ static int has_relays( DLLSPEC *spec ) { int i; if (target_cpu != CPU_x86 && target_cpu != CPU_x86_64 && target_cpu != CPU_ARM && target_cpu != CPU_ARM64) return 0; for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; if (needs_relay( odp )) return 1; } return 0; } static int get_exports_count( DLLSPEC *spec ) { if (unix_lib) return 0; if (spec->base > spec->limit) return 0; return spec->limit - spec->base + 1; } static int cmp_func_args( const void *p1, const void *p2 ) { const ORDDEF *odp1 = *(const ORDDEF **)p1; const ORDDEF *odp2 = *(const ORDDEF **)p2; return odp2->u.func.nb_args - odp1->u.func.nb_args; } static void get_arg_string( ORDDEF *odp, char str[MAX_ARGUMENTS + 1] ) { int i; for (i = 0; i < odp->u.func.nb_args; i++) { switch (odp->u.func.args[i]) { case ARG_STR: str[i] = 's'; break; case ARG_WSTR: str[i] = 'w'; break; case ARG_FLOAT: str[i] = 'f'; break; case ARG_DOUBLE: str[i] = 'd'; break; case ARG_INT64: case ARG_INT128: if (get_ptr_size() == 4) { str[i] = (odp->u.func.args[i] == ARG_INT64) ? 'j' : 'k'; break; } /* fall through */ case ARG_LONG: case ARG_PTR: default: str[i] = 'i'; break; } } if (odp->flags & (FLAG_THISCALL | FLAG_FASTCALL)) str[0] = 't'; if ((odp->flags & FLAG_FASTCALL) && odp->u.func.nb_args > 1) str[1] = 't'; /* append return value */ if (get_ptr_size() == 4 && (odp->flags & FLAG_RET64)) strcpy( str + i, "J" ); else strcpy( str + i, "I" ); } static void output_data_directories( const char *names[16] ) { int i; for (i = 0; i < 16; i++) { if (names[i]) { output_rva( "%s", names[i] ); output( "\t.long %s_end - %s\n", names[i], names[i] ); } else output( "\t.long 0,0\n" ); } } /******************************************************************* * build_args_string */ static char *build_args_string( DLLSPEC *spec ) { int i, count = 0, len = 1; char *p, *buffer; char str[MAX_ARGUMENTS + 2]; ORDDEF **funcs; funcs = xmalloc( (spec->limit + 1 - spec->base) * sizeof(*funcs) ); for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; if (!needs_relay( odp )) continue; funcs[count++] = odp; len += odp->u.func.nb_args + 1; } /* sort functions by decreasing number of arguments */ qsort( funcs, count, sizeof(*funcs), cmp_func_args ); buffer = xmalloc( len ); buffer[0] = 0; /* build the arguments string, reusing substrings where possible */ for (i = 0; i < count; i++) { get_arg_string( funcs[i], str ); if (!(p = strstr( buffer, str ))) { p = buffer + strlen( buffer ); strcpy( p, str ); } funcs[i]->u.func.args_str_offset = p - buffer; } free( funcs ); return buffer; } /******************************************************************* * output_relay_debug * * Output entry points for relay debugging */ static void output_relay_debug( DLLSPEC *spec ) { int i; /* 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 strings of argument types */ output( ".L__wine_spec_relay_args_string:\n" ); output( "\t%s \"%s\"\n", get_asm_string_keyword(), build_args_string( spec )); /* 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; switch (target_cpu) { case CPU_x86: output( "\t.align %d\n", get_alignment(4) ); output( "\t.long 0x90909090,0x90909090\n" ); output( ".L__wine_spec_relay_entry_point_%d:\n", i ); output_cfi( ".cfi_startproc" ); output( "\t.byte 0x8b,0xff,0x55,0x8b,0xec,0x5d\n" ); /* hotpatch prolog */ if (odp->flags & (FLAG_THISCALL | FLAG_FASTCALL)) /* add the register arguments */ { output( "\tpopl %%eax\n" ); if ((odp->flags & FLAG_FASTCALL) && get_args_size( odp ) > 4) output( "\tpushl %%edx\n" ); output( "\tpushl %%ecx\n" ); output( "\tpushl %%eax\n" ); } output( "\tpushl $%u\n", (odp->u.func.args_str_offset << 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" ); needs_get_pc_thunk = 1; } else output( "\tmovl $.L__wine_spec_relay_descr,%%eax\n" ); output( "\tpushl %%eax\n" ); output_cfi( ".cfi_adjust_cfa_offset 4" ); output( "\tcall *4(%%eax)\n" ); output_cfi( ".cfi_adjust_cfa_offset -8" ); if (odp->type == TYPE_STDCALL) output( "\tret $%u\n", get_args_size( odp )); else output( "\tret\n" ); output_cfi( ".cfi_endproc" ); break; case CPU_ARM: { unsigned int mask, val, count = 0; int j, has_float = 0; if (strcmp( float_abi_option, "soft" )) for (j = 0; j < odp->u.func.nb_args && !has_float; j++) has_float = is_float_arg( odp, j ); val = (odp->u.func.args_str_offset << 16) | (i - spec->base); output( "\t.align %d\n", get_alignment(4) ); output( ".L__wine_spec_relay_entry_point_%d:\n", i ); output_cfi( ".cfi_startproc" ); output( "\tpush {r0-r3}\n" ); output( "\tmov r2, SP\n"); if (has_float) output( "\tvpush {s0-s15}\n" ); output( "\tpush {LR}\n" ); output( "\tsub SP, #4\n"); for (mask = 0xff; mask; mask <<= 8) if (val & mask) output( "\t%s r1,#%u\n", count++ ? "add" : "mov", val & mask ); if (!count) output( "\tmov r1,#0\n" ); output( "\tldr r0, 2f\n"); output( "\tadd r0, PC\n"); output( "\tldr IP, [r0, #4]\n"); output( "1:\tblx IP\n"); output( "\tldr IP, [SP, #4]\n" ); output( "\tadd SP, #%u\n", 24 + (has_float ? 64 : 0) ); output( "\tbx IP\n"); output( "2:\t.long .L__wine_spec_relay_descr-1b\n" ); output_cfi( ".cfi_endproc" ); break; } case CPU_ARM64: output( "\t.align %d\n", get_alignment(4) ); output( ".L__wine_spec_relay_entry_point_%d:\n", i ); output_cfi( ".cfi_startproc" ); switch (odp->u.func.nb_args) { default: case 8: case 7: output( "\tstp x6, x7, [SP,#-16]!\n" ); /* fall through */ case 6: case 5: output( "\tstp x4, x5, [SP,#-16]!\n" ); /* fall through */ case 4: case 3: output( "\tstp x2, x3, [SP,#-16]!\n" ); /* fall through */ case 2: case 1: output( "\tstp x0, x1, [SP,#-16]!\n" ); /* fall through */ case 0: break; } output( "\tmov x2, SP\n"); output( "\tstp x29, x30, [SP,#-16]!\n" ); output( "\tstp x8, x9, [SP,#-16]!\n" ); output( "\tmov w1, #%u\n", odp->u.func.args_str_offset << 16 ); if (i - spec->base) output( "\tadd w1, w1, #%u\n", i - spec->base ); output( "\tadrp x0, %s\n", arm64_page(".L__wine_spec_relay_descr") ); output( "\tadd x0, x0, #%s\n", arm64_pageoff(".L__wine_spec_relay_descr") ); output( "\tldr x3, [x0, #8]\n"); output( "\tblr x3\n"); output( "\tadd SP, SP, #16\n" ); output( "\tldp x29, x30, [SP], #16\n" ); if (odp->u.func.nb_args) output( "\tadd SP, SP, #%u\n", 8 * ((min(odp->u.func.nb_args, 8) + 1) & ~1) ); output( "\tret\n"); output_cfi( ".cfi_endproc" ); break; case CPU_x86_64: output( "\t.align %d\n", get_alignment(4) ); output( "\t.long 0x90909090,0x90909090\n" ); output( ".L__wine_spec_relay_entry_point_%d:\n", i ); output_cfi( ".cfi_startproc" ); switch (odp->u.func.nb_args) { default: output( "\tmovq %%%s,32(%%rsp)\n", is_float_arg( odp, 3 ) ? "xmm3" : "r9" ); /* fall through */ case 3: output( "\tmovq %%%s,24(%%rsp)\n", is_float_arg( odp, 2 ) ? "xmm2" : "r8" ); /* fall through */ case 2: output( "\tmovq %%%s,16(%%rsp)\n", is_float_arg( odp, 1 ) ? "xmm1" : "rdx" ); /* fall through */ case 1: output( "\tmovq %%%s,8(%%rsp)\n", is_float_arg( odp, 0 ) ? "xmm0" : "rcx" ); /* fall through */ case 0: break; } output( "\tmovl $%u,%%edx\n", (odp->u.func.args_str_offset << 16) | (i - spec->base) ); output( "\tleaq .L__wine_spec_relay_descr(%%rip),%%rcx\n" ); output( "\tcallq *8(%%rcx)\n" ); output( "\tret\n" ); output_cfi( ".cfi_endproc" ); break; default: assert(0); } } } /******************************************************************* * output_exports * * Output the export table for a Win32 module. */ void output_exports( DLLSPEC *spec ) { int i, fwd_size = 0; int needs_imports = 0; int needs_relay = has_relays( spec ); int nr_exports = get_exports_count( spec ); const char *func_ptr = (target_platform == PLATFORM_WINDOWS) ? ".rva" : get_asm_ptr_keyword(); const char *name; if (!nr_exports) return; output( "\n/* export table */\n\n" ); output( "\t%s\n", get_asm_export_section() ); 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 %u\n", hash_filename(spec->file_name) ); /* TimeDateStamp */ output( "\t.long 0\n" ); /* MajorVersion/MinorVersion */ output_rva( ".L__wine_spec_exp_names" ); /* 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_rva( ".L__wine_spec_exports_funcs " ); /* AddressOfFunctions */ if (spec->nb_names) { output_rva( ".L__wine_spec_exp_name_ptrs" ); /* AddressOfNames */ output_rva( ".L__wine_spec_exp_ordinals" ); /* 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", (target_platform == PLATFORM_WINDOWS) ? ".long" : get_asm_ptr_keyword() ); else switch(odp->type) { case TYPE_EXTERN: case TYPE_STDCALL: case TYPE_VARARGS: case TYPE_CDECL: if (odp->flags & FLAG_FORWARD) { output( "\t%s .L__wine_spec_forwards+%u\n", func_ptr, fwd_size ); fwd_size += strlen(odp->link_name) + 1; } else if ((odp->flags & FLAG_IMPORT) && (target_cpu == CPU_x86 || target_cpu == CPU_x86_64)) { name = odp->name ? odp->name : odp->export_name; if (name) output( "\t%s %s_%s\n", func_ptr, asm_name("__wine_spec_imp"), name ); else output( "\t%s %s_%u\n", func_ptr, asm_name("__wine_spec_imp"), i ); needs_imports = 1; } else if (odp->flags & FLAG_EXT_LINK) { output( "\t%s %s_%s\n", func_ptr, asm_name("__wine_spec_ext_link"), odp->link_name ); } else { output( "\t%s %s\n", func_ptr, asm_name( get_link_name( odp ))); } break; case TYPE_STUB: output( "\t%s %s\n", func_ptr, 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_rva( ".L__wine_spec_exp_names + %u", 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.short %d\n", spec->names[i]->ordinal - spec->base ); } if (spec->nb_names % 2) { output( "\t.short 0\n" ); } } if (needs_relay) { output( "\t.long 0xdeb90002\n" ); /* magic */ if (target_platform == PLATFORM_WINDOWS) output_rva( ".L__wine_spec_relay_descr" ); else output( "\t.long 0\n" ); } /* 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 relays */ if (needs_relay) { if (target_platform == PLATFORM_WINDOWS) { output( "\t.data\n" ); output( "\t.align %d\n", get_alignment(get_ptr_size()) ); } else { output( "\t.align %d\n", get_alignment(get_ptr_size()) ); output( ".L__wine_spec_exports_end:\n" ); } output( ".L__wine_spec_relay_descr:\n" ); output( "\t%s 0xdeb90002\n", get_asm_ptr_keyword() ); /* magic */ output( "\t%s 0\n", get_asm_ptr_keyword() ); /* relay func */ 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_args_string\n", get_asm_ptr_keyword() ); output_relay_debug( spec ); } else if (target_platform != PLATFORM_WINDOWS) { output( "\t.align %d\n", get_alignment(get_ptr_size()) ); output( ".L__wine_spec_exports_end:\n" ); output( "\t%s 0\n", get_asm_ptr_keyword() ); } /* output import thunks */ if (!needs_imports) return; output( "\t.text\n" ); for (i = spec->base; i <= spec->limit; i++) { ORDDEF *odp = spec->ordinals[i]; if (!odp) continue; if (!(odp->flags & FLAG_IMPORT)) continue; name = odp->name ? odp->name : odp->export_name; output( "\t.align %d\n", get_alignment(4) ); output( "\t.long 0x90909090,0x90909090\n" ); if (name) output( "%s_%s:\n", asm_name("__wine_spec_imp"), name ); else output( "%s_%u:\n", asm_name("__wine_spec_imp"), i ); output_cfi( ".cfi_startproc" ); switch (target_cpu) { case CPU_x86: output( "\t.byte 0x8b,0xff,0x55,0x8b,0xec,0x5d\n" ); /* hotpatch prolog */ if (UsePIC) { output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") ); output( "1:\tjmp *__imp_%s-1b(%%eax)\n", asm_name( get_link_name( odp ))); needs_get_pc_thunk = 1; } else output( "\tjmp *__imp_%s\n", asm_name( get_link_name( odp ))); break; case CPU_x86_64: output( "\t.byte 0x48,0x8d,0xa4,0x24,0x00,0x00,0x00,0x00\n" ); /* hotpatch prolog */ output( "\tjmp *__imp_%s(%%rip)\n", asm_name( get_link_name( odp ))); break; default: assert(0); } output_cfi( ".cfi_endproc" ); } } /******************************************************************* * output_module * * Output the module data. */ void output_module( DLLSPEC *spec ) { int machine = 0; int i; unsigned int page_size = get_page_size(); const char *data_dirs[16] = { NULL }; /* Reserve some space for the PE header */ switch (target_platform) { case PLATFORM_WINDOWS: return; /* nothing to do */ 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: switch(target_cpu) { case CPU_x86: case CPU_x86_64: output( "\n\t.section \".init\",\"ax\"\n" ); output( "\tjmp 1f\n" ); break; case CPU_ARM: output( "\n\t.section \".text\",\"ax\"\n" ); output( "\tb 1f\n" ); break; case CPU_ARM64: case CPU_POWERPC: output( "\n\t.section \".init\",\"ax\"\n" ); 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( "\t.globl %s\n", asm_name("__wine_spec_nt_header") ); output( "%s:\n", asm_name("__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_POWERPC: machine = IMAGE_FILE_MACHINE_POWERPC; break; case CPU_ARM: machine = IMAGE_FILE_MACHINE_ARMNT; break; case CPU_ARM64: machine = IMAGE_FILE_MACHINE_ARM64; break; } output( "\t.short 0x%04x\n", /* Machine */ machine ); output( "\t.short 0\n" ); /* NumberOfSections */ output( "\t.long %u\n", hash_filename(spec->file_name) ); /* TimeDateStamp */ output( "\t.long 0\n" ); /* PointerToSymbolTable */ output( "\t.long 0\n" ); /* NumberOfSymbols */ output( "\t.short %d\n", /* SizeOfOptionalHeader */ get_ptr_size() == 8 ? IMAGE_SIZEOF_NT_OPTIONAL64_HEADER : IMAGE_SIZEOF_NT_OPTIONAL32_HEADER ); output( "\t.short 0x%04x\n", /* Characteristics */ spec->characteristics ); output( "\t.short 0x%04x\n", /* Magic */ get_ptr_size() == 8 ? IMAGE_NT_OPTIONAL_HDR64_MAGIC : IMAGE_NT_OPTIONAL_HDR32_MAGIC ); output( "\t.byte 7\n" ); /* MajorLinkerVersion */ output( "\t.byte 10\n" ); /* MinorLinkerVersion */ output( "\t.long 0\n" ); /* SizeOfCode */ output( "\t.long 0\n" ); /* SizeOfInitializedData */ output( "\t.long 0\n" ); /* SizeOfUninitializedData */ for (i = 0; i < spec_extra_ld_symbols.count; i++) output( "\t.globl %s\n", asm_name(spec_extra_ld_symbols.str[i]) ); /* 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.short 1,0\n" ); /* Major/MinorOperatingSystemVersion */ output( "\t.short 0,0\n" ); /* Major/MinorImageVersion */ output( "\t.short %u,%u\n", /* Major/MinorSubsystemVersion */ spec->subsystem_major, spec->subsystem_minor ); output( "\t.long 0\n" ); /* Win32VersionValue */ output_rva( "%s", asm_name("_end") ); /* SizeOfImage */ output( "\t.long %u\n", page_size ); /* SizeOfHeaders */ output( "\t.long 0\n" ); /* CheckSum */ output( "\t.short 0x%04x\n", /* Subsystem */ spec->subsystem ); output( "\t.short 0x%04x\n", /* DllCharacteristics */ 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 (get_exports_count( spec )) data_dirs[0] = ".L__wine_spec_exports"; /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */ if (has_imports()) data_dirs[1] = ".L__wine_spec_imports"; /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */ if (spec->nb_resources) data_dirs[2] = ".L__wine_spec_resources"; /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */ output_data_directories( data_dirs ); if (target_platform == PLATFORM_APPLE) output( "\t.lcomm %s,4\n", asm_name("_end") ); } /******************************************************************* * output_spec32_file * * Build a Win32 C file from a spec file. */ void output_spec32_file( DLLSPEC *spec ) { needs_get_pc_thunk = 0; open_output_file(); output_standard_file_header(); output_module( spec ); output_stubs( spec ); output_exports( spec ); output_imports( spec ); output_syscalls( spec ); if (needs_get_pc_thunk) output_get_pc_thunk(); output_resources( spec ); output_gnu_stack_note(); close_output_file(); } /******************************************************************* * 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 */ 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); 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) ); 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_ARM: put_word( IMAGE_FILE_MACHINE_ARMNT ); break; case CPU_ARM64: put_word( IMAGE_FILE_MACHINE_ARM64 ); break; } put_word( nb_sections ); /* NumberOfSections */ put_dword( hash_filename(spec->file_name) ); /* 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( 7 ); /* MajorLinkerVersion */ put_byte( 10 ); /* 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_def_file * * Build a Win32 def file from a spec file. */ void output_def_file( DLLSPEC *spec, int import_only ) { DLLSPEC *spec32 = NULL; const char *name; int i, total; if (spec->type == SPEC_WIN16) { spec32 = alloc_dll_spec(); add_16bit_exports( spec32, spec ); spec = spec32; } if (spec_file_name) output( "; File generated automatically from %s; do not edit!\n\n", spec_file_name ); else output( "; File generated automatically; do not edit!\n\n" ); output( "LIBRARY %s\n\n", spec->file_name); output( "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, is_private = odp->flags & FLAG_PRIVATE; if (odp->name) name = odp->name; else if (odp->export_name) name = odp->export_name; else continue; if (!is_private) total++; if (import_only && odp->type == TYPE_STUB) continue; if ((odp->flags & FLAG_FASTCALL) && target_platform == PLATFORM_WINDOWS) name = strmake( "@%s", name ); output( " %s", name ); switch(odp->type) { case TYPE_EXTERN: is_data = 1; /* fall through */ case TYPE_VARARGS: case TYPE_CDECL: /* try to reduce output */ if(!import_only && (strcmp(name, odp->link_name) || (odp->flags & FLAG_FORWARD))) output( "=%s", odp->link_name ); break; case TYPE_STDCALL: { int at_param = get_args_size( odp ); if (!kill_at && target_cpu == CPU_x86) output( "@%d", at_param ); if (import_only) break; if (odp->flags & FLAG_FORWARD) output( "=%s", odp->link_name ); else if (strcmp(name, odp->link_name)) /* try to reduce output */ output( "=%s", get_link_name( odp )); break; } case TYPE_STUB: if (!kill_at && target_cpu == CPU_x86) output( "@%d", get_args_size( odp )); is_private = 1; break; default: assert(0); } output( " @%d", odp->ordinal ); if (!odp->name || (odp->flags & FLAG_ORDINAL)) output( " NONAME" ); if (is_data) output( " DATA" ); if (is_private) output( " PRIVATE" ); output( "\n" ); } if (!total) warning( "%s: Import library doesn't export anything\n", spec->file_name ); if (spec32) free_dll_spec( spec32 ); } /******************************************************************* * make_builtin_files */ void make_builtin_files( char *argv[] ) { int i, fd; struct { unsigned short e_magic; unsigned short unused[29]; unsigned int e_lfanew; } header; for (i = 0; argv[i]; i++) { if ((fd = open( argv[i], O_RDWR | O_BINARY )) == -1) fatal_perror( "Cannot open %s", argv[i] ); if (read( fd, &header, sizeof(header) ) == sizeof(header) && !memcmp( &header.e_magic, "MZ", 2 )) { if (header.e_lfanew < sizeof(header) + sizeof(builtin_signature)) fatal_error( "%s: Not enough space (%x) for Wine signature\n", argv[i], header.e_lfanew ); write( fd, builtin_signature, sizeof(builtin_signature) ); } else fatal_error( "%s: Unrecognized file format\n", argv[i] ); close( fd ); } } static void fixup_elf32( const char *name, int fd, void *header, size_t header_size ) { struct { unsigned char e_ident[16]; unsigned short e_type; unsigned short e_machine; unsigned int e_version; unsigned int e_entry; unsigned int e_phoff; unsigned int e_shoff; unsigned int e_flags; unsigned short e_ehsize; unsigned short e_phentsize; unsigned short e_phnum; unsigned short e_shentsize; unsigned short e_shnum; unsigned short e_shstrndx; } *elf = header; struct { unsigned int p_type; unsigned int p_offset; unsigned int p_vaddr; unsigned int p_paddr; unsigned int p_filesz; unsigned int p_memsz; unsigned int p_flags; unsigned int p_align; } *phdr; struct { unsigned int d_tag; unsigned int d_val; } *dyn; unsigned int i, size; if (header_size < sizeof(*elf)) return; if (elf->e_ident[6] != 1 /* EV_CURRENT */) return; size = elf->e_phnum * elf->e_phentsize; phdr = xmalloc( size ); lseek( fd, elf->e_phoff, SEEK_SET ); if (read( fd, phdr, size ) != size) return; for (i = 0; i < elf->e_phnum; i++) { if (phdr->p_type == 2 /* PT_DYNAMIC */ ) break; phdr = (void *)((char *)phdr + elf->e_phentsize); } if (i == elf->e_phnum) return; dyn = xmalloc( phdr->p_filesz ); lseek( fd, phdr->p_offset, SEEK_SET ); if (read( fd, dyn, phdr->p_filesz ) != phdr->p_filesz) return; for (i = 0; i < phdr->p_filesz / sizeof(*dyn) && dyn[i].d_tag; i++) { switch (dyn[i].d_tag) { case 25: dyn[i].d_tag = 0x60009990; break; /* DT_INIT_ARRAY */ case 27: dyn[i].d_tag = 0x60009991; break; /* DT_INIT_ARRAYSZ */ case 12: dyn[i].d_tag = 0x60009992; break; /* DT_INIT */ } } lseek( fd, phdr->p_offset, SEEK_SET ); write( fd, dyn, phdr->p_filesz ); } static void fixup_elf64( const char *name, int fd, void *header, size_t header_size ) { struct { unsigned char e_ident[16]; unsigned short e_type; unsigned short e_machine; unsigned int e_version; unsigned __int64 e_entry; unsigned __int64 e_phoff; unsigned __int64 e_shoff; unsigned int e_flags; unsigned short e_ehsize; unsigned short e_phentsize; unsigned short e_phnum; unsigned short e_shentsize; unsigned short e_shnum; unsigned short e_shstrndx; } *elf = header; struct { unsigned int p_type; unsigned int p_flags; unsigned __int64 p_offset; unsigned __int64 p_vaddr; unsigned __int64 p_paddr; unsigned __int64 p_filesz; unsigned __int64 p_memsz; unsigned __int64 p_align; } *phdr; struct { unsigned __int64 d_tag; unsigned __int64 d_val; } *dyn; unsigned int i, size; if (header_size < sizeof(*elf)) return; if (elf->e_ident[6] != 1 /* EV_CURRENT */) return; size = elf->e_phnum * elf->e_phentsize; phdr = xmalloc( size ); lseek( fd, elf->e_phoff, SEEK_SET ); if (read( fd, phdr, size ) != size) return; for (i = 0; i < elf->e_phnum; i++) { if (phdr->p_type == 2 /* PT_DYNAMIC */ ) break; phdr = (void *)((char *)phdr + elf->e_phentsize); } if (i == elf->e_phnum) return; dyn = xmalloc( phdr->p_filesz ); lseek( fd, phdr->p_offset, SEEK_SET ); if (read( fd, dyn, phdr->p_filesz ) != phdr->p_filesz) return; for (i = 0; i < phdr->p_filesz / sizeof(*dyn) && dyn[i].d_tag; i++) { switch (dyn[i].d_tag) { case 25: dyn[i].d_tag = 0x60009990; break; /* DT_INIT_ARRAY */ case 27: dyn[i].d_tag = 0x60009991; break; /* DT_INIT_ARRAYSZ */ case 12: dyn[i].d_tag = 0x60009992; break; /* DT_INIT */ } } lseek( fd, phdr->p_offset, SEEK_SET ); write( fd, dyn, phdr->p_filesz ); } /******************************************************************* * fixup_constructors */ void fixup_constructors( char *argv[] ) { int i, fd, size; unsigned int header[64]; for (i = 0; argv[i]; i++) { if ((fd = open( argv[i], O_RDWR | O_BINARY )) == -1) fatal_perror( "Cannot open %s", argv[i] ); size = read( fd, &header, sizeof(header) ); if (size > 5) { if (!memcmp( header, "\177ELF\001", 5 )) fixup_elf32( argv[i], fd, header, size ); else if (!memcmp( header, "\177ELF\002", 5 )) fixup_elf64( argv[i], fd, header, size ); } close( fd ); } }