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spec32.c
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spec32.c
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/*
* 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 <assert.h>
#include <ctype.h>
#include <stdarg.h>
#include <string.h>
#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 );
}
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( struct exports *exports )
{
int i;
if (target.cpu == CPU_ARM64EC) return 0;
for (i = exports->base; i <= exports->limit; i++)
{
ORDDEF *odp = exports->ordinals[i];
if (needs_relay( odp )) return 1;
}
return 0;
}
static int get_exports_count( struct exports *exports )
{
if (exports->base > exports->limit) return 0;
return exports->limit - exports->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( struct exports *exports )
{
int i, count = 0, len = 1;
char *p, *buffer;
char str[MAX_ARGUMENTS + 2];
ORDDEF **funcs;
funcs = xmalloc( (exports->limit + 1 - exports->base) * sizeof(*funcs) );
for (i = exports->base; i <= exports->limit; i++)
{
ORDDEF *odp = exports->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( struct exports *exports )
{
int i;
/* first the table of entry point offsets */
output( "\t%s\n", get_asm_rodata_section() );
output( "\t.balign 4\n" );
output( ".L__wine_spec_relay_entry_point_offsets:\n" );
for (i = exports->base; i <= exports->limit; i++)
{
ORDDEF *odp = exports->ordinals[i];
if (needs_relay( odp ))
output( "\t.long __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( exports ));
/* then the relay thunks */
output( "\t.text\n" );
output( "__wine_spec_relay_entry_points:\n" );
output( "\tnop\n" ); /* to avoid 0 offset */
for (i = exports->base; i <= exports->limit; i++)
{
ORDDEF *odp = exports->ordinals[i];
if (!needs_relay( odp )) continue;
switch (target.cpu)
{
case CPU_i386:
output( "\t.balign 4\n" );
output( "\t.long 0x90909090,0x90909090\n" );
output( "__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 - exports->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:
{
int j, has_float = 0;
for (j = 0; j < odp->u.func.nb_args && !has_float; j++)
has_float = is_float_arg( odp, j );
output( "\t.balign 4\n" );
output( "__wine_spec_relay_entry_point_%d:\n", i );
output( "\t.seh_proc __wine_spec_relay_entry_point_%d\n", i );
output( "\tpush {r0-r3}\n" );
output( "\t.seh_save_regs {r0-r3}\n" );
if (has_float)
{
output( "\tvpush {d0-d7}\n" );
output( "\t.seh_save_fregs {d0-d7}\n" );
}
output( "\tpush {r4,lr}\n" );
output( "\t.seh_save_regs {r4,lr}\n" );
output( "\t.seh_endprologue\n" );
output( "\tmovw r1,#%u\n", i - exports->base );
output( "\tmovt r1,#%u\n", odp->u.func.args_str_offset );
output( "\tmovw r0, :lower16:.L__wine_spec_relay_descr\n" );
output( "\tmovt r0, :upper16:.L__wine_spec_relay_descr\n" );
output( "\tldr IP, [r0, #4]\n");
output( "\tblx IP\n");
output( "\tldr IP, [SP, #4]\n" );
output( "\tadd SP, #%u\n", 24 + (has_float ? 64 : 0) );
output( "\tbx IP\n");
output( "\t.seh_endproc\n" );
break;
}
case CPU_ARM64:
{
int stack_size = 16 * ((min(odp->u.func.nb_args, 8) + 1) / 2);
output( "\t.balign 4\n" );
output( "__wine_spec_relay_entry_point_%d:\n", i );
output( "\t.seh_proc __wine_spec_relay_entry_point_%d\n", i );
output( "\tstp x29, x30, [sp, #-%u]!\n", stack_size + 16 );
output( "\t.seh_save_fplr_x %u\n", stack_size + 16 );
output( "\tmov x29, sp\n" );
output( "\t.seh_set_fp\n" );
output( "\t.seh_endprologue\n" );
switch (stack_size)
{
case 64: output( "\tstp x6, x7, [sp, #64]\n" );
/* fall through */
case 48: output( "\tstp x4, x5, [sp, #48]\n" );
/* fall through */
case 32: output( "\tstp x2, x3, [sp, #32]\n" );
/* fall through */
case 16: output( "\tstp x0, x1, [sp, #16]\n" );
/* fall through */
default: break;
}
output( "\tadd x2, sp, #16\n");
output( "\tstp x8, x9, [SP,#-16]!\n" );
output( "\tmov w1, #%u\n", odp->u.func.args_str_offset << 16 );
if (i - exports->base) output( "\tadd w1, w1, #%u\n", i - exports->base );
output( "\tadrp x0, .L__wine_spec_relay_descr\n" );
output( "\tadd x0, x0, #:lo12:.L__wine_spec_relay_descr\n" );
output( "\tldr x3, [x0, #8]\n");
output( "\tblr x3\n");
output( "\tmov sp, x29\n" );
output( "\tldp x29, x30, [sp], #%u\n", stack_size + 16 );
output( "\tret\n");
output( "\t.seh_endproc\n" );
break;
}
case CPU_x86_64:
output( "\t.balign 4\n" );
output( "\t.long 0x90909090,0x90909090\n" );
output( "__wine_spec_relay_entry_point_%d:\n", i );
output_seh( ".seh_proc __wine_spec_relay_entry_point_%d", i );
output_seh( ".seh_endprologue" );
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 - exports->base) );
output( "\tleaq .L__wine_spec_relay_descr(%%rip),%%rcx\n" );
output( "\tcallq *8(%%rcx)\n" );
output( "\tret\n" );
output_seh( ".seh_endproc" );
break;
default:
assert(0);
}
}
}
/*******************************************************************
* output_exports
*
* Output the export table for a Win32 module.
*/
void output_exports( DLLSPEC *spec )
{
struct exports *exports = &spec->exports;
int i, fwd_size = 0;
int needs_imports = 0;
int needs_relay = has_relays( exports );
int nr_exports = get_exports_count( exports );
const char *func_ptr = is_pe() ? ".rva" : get_asm_ptr_keyword();
const char *name;
if (!nr_exports) return;
/* ARM64EC exports are more tricky than other targets. For functions implemented in ARM64EC,
* linker generates x86_64 thunk and relevant metadata. Use .drectve section to pass export
* directives to the linker. */
if (target.cpu == CPU_ARM64EC)
{
output( "\t.section .drectve\n" );
for (i = exports->base; i <= exports->limit; i++)
{
ORDDEF *odp = exports->ordinals[i];
const char *symbol;
if (!odp) continue;
switch (odp->type)
{
case TYPE_EXTERN:
case TYPE_STDCALL:
case TYPE_VARARGS:
case TYPE_CDECL:
if (odp->flags & FLAG_FORWARD)
symbol = odp->link_name;
else if (odp->flags & FLAG_EXT_LINK)
symbol = strmake( "%s_%s", asm_name("__wine_spec_ext_link"), odp->link_name );
else
symbol = asm_name( get_link_name( odp ));
break;
case TYPE_STUB:
symbol = asm_name( get_stub_name( odp, spec ));
break;
default:
assert( 0 );
}
output( "\t.ascii \" -export:%s=%s,@%u%s%s\"\n",
odp->name ? odp->name : strmake( "_noname%u", i ),
symbol, i,
odp->name ? "" : ",NONAME",
odp->type == TYPE_EXTERN ? ",DATA" : "" );
}
return;
}
output( "\n/* export table */\n\n" );
output( "\t%s\n", get_asm_export_section() );
output( "\t.balign 4\n" );
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", exports->base ); /* Base */
output( "\t.long %u\n", nr_exports ); /* NumberOfFunctions */
output( "\t.long %u\n", exports->nb_names ); /* NumberOfNames */
output_rva( ".L__wine_spec_exports_funcs " ); /* AddressOfFunctions */
if (exports->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 = exports->base; i <= exports->limit; i++)
{
ORDDEF *odp = exports->ordinals[i];
if (!odp) output( "\t%s 0\n", is_pe() ? ".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_i386 || 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 (exports->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 < exports->nb_names; i++)
{
output_rva( ".L__wine_spec_exp_names + %u", namepos );
namepos += strlen(exports->names[i]->name) + 1;
}
/* output the function ordinals */
output( "\n.L__wine_spec_exp_ordinals:\n" );
for (i = 0; i < exports->nb_names; i++)
{
output( "\t.short %d\n", exports->names[i]->ordinal - exports->base );
}
if (exports->nb_names % 2)
{
output( "\t.short 0\n" );
}
}
if (needs_relay)
{
output( "\t.long 0xdeb90002\n" ); /* magic */
if (is_pe()) 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 < exports->nb_names; i++)
output( "\t%s \"%s\"\n",
get_asm_string_keyword(), exports->names[i]->name );
/* output forward strings */
if (fwd_size)
{
output( "\n.L__wine_spec_forwards:\n" );
for (i = exports->base; i <= exports->limit; i++)
{
ORDDEF *odp = exports->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 (is_pe())
{
output( "\t.data\n" );
output( "\t.balign %u\n", get_ptr_size() );
}
else
{
output( "\t.balign %u\n", 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( exports );
}
else if (!is_pe())
{
output( "\t.balign %u\n", 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 = exports->base; i <= exports->limit; i++)
{
ORDDEF *odp = exports->ordinals[i];
if (!odp) continue;
if (!(odp->flags & FLAG_IMPORT)) continue;
name = odp->name ? odp->name : odp->export_name;
output( "\t.balign 4\n" );
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 );
switch (target.cpu)
{
case CPU_i386:
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_load_config
*
* Output the load configuration structure.
*/
static void output_load_config(void)
{
if (!is_pe()) return;
output( "\n/* load_config */\n\n" );
output( "\t%s\n", get_asm_rodata_section() );
output( "\t.globl %s\n", asm_name( "_load_config_used" ));
output( "\t.balign %u\n", get_ptr_size() );
output( "%s:\n", asm_name( "_load_config_used" ));
output( "\t.long %u\n", get_ptr_size() == 8 ? 0x140 : 0xc0 ); /* Size */
output( "\t.long 0\n" ); /* TimeDateStamp */
output( "\t.short 0\n" ); /* MajorVersion */
output( "\t.short 0\n" ); /* MinorVersion */
output( "\t.long 0\n" ); /* GlobalFlagsClear */
output( "\t.long 0\n" ); /* GlobalFlagsSet */
output( "\t.long 0\n" ); /* CriticalSectionDefaultTimeout */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* DeCommitFreeBlockThreshold */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* DeCommitTotalFreeThreshold */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* LockPrefixTable */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* MaximumAllocationSize */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* VirtualMemoryThreshold */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* ProcessAffinityMask */
output( "\t.long 0\n" ); /* ProcessHeapFlags */
output( "\t.short 0\n" ); /* CSDVersion */
output( "\t.short 0\n" ); /* DependentLoadFlags */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* EditList */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* SecurityCookie */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* SEHandlerTable */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* SEHandlerCount */
if (target.cpu == CPU_ARM64EC)
{
output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name( "__guard_check_icall_fptr" ));
output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name( "__guard_dispatch_icall_fptr" ));
}
else
{
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardCFCheckFunctionPointer */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardCFDispatchFunctionPointer */
}
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardCFFunctionTable */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardCFFunctionCount */
if (target.cpu == CPU_ARM64EC)
output( "\t.long %s\n", asm_name( "__guard_flags" ));
else
output( "\t.long 0\n" ); /* GuardFlags */
output( "\t.short 0\n" ); /* CodeIntegrity.Flags */
output( "\t.short 0\n" ); /* CodeIntegrity.Catalog */
output( "\t.long 0\n" ); /* CodeIntegrity.CatalogOffset */
output( "\t.long 0\n" ); /* CodeIntegrity.Reserved */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardAddressTakenIatEntryTable */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardAddressTakenIatEntryCount */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardLongJumpTargetTable */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardLongJumpTargetCount */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* DynamicValueRelocTable */
if (target.cpu == CPU_ARM64EC)
output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name( "__chpe_metadata" ));
else
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* CHPEMetadataPointer */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardRFFailureRoutine */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardRFFailureRoutineFunctionPointer */
output( "\t.long 0\n" ); /* DynamicValueRelocTableOffset */
output( "\t.short 0\n" ); /* DynamicValueRelocTableSection */
output( "\t.short 0\n" ); /* Reserved2 */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardRFVerifyStackPointerFunctionPointer */
output( "\t.long 0\n" ); /* HotPatchTableOffset */
output( "\t.long 0\n" ); /* Reserved3 */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* EnclaveConfigurationPointer */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* VolatileMetadataPointer */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardEHContinuationTable */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardEHContinuationCount */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardXFGCheckFunctionPointer */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardXFGDispatchFunctionPointer */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardXFGTableDispatchFunctionPointer */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* CastGuardOsDeterminedFailureMode */
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* GuardMemcpyFunctionPointer */
}
/*******************************************************************
* 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_MINGW:
case PLATFORM_WINDOWS:
return; /* nothing to do */
case PLATFORM_APPLE:
output( "\t.text\n" );
output( "\t.balign %u\n", 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" );
output( "\tjmp 1f\n" );
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.balign %u\n", 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_i386: machine = IMAGE_FILE_MACHINE_I386; break;
case CPU_ARM64EC:
case CPU_x86_64: machine = IMAGE_FILE_MACHINE_AMD64; 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->exports ))
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] */
if (has_delay_imports())
data_dirs[13] = ".L__wine_spec_delay_imports"; /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT] */
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 );
if (needs_get_pc_thunk) output_get_pc_thunk();
output_load_config();
output_resources( spec );
output_gnu_stack_note();
close_output_file();
}
struct sec_data
{
char name[8];
const void *ptr;
unsigned int size;
unsigned int flags;
unsigned int file_size;
unsigned int virt_size;
unsigned int filepos;
unsigned int rva;
};
struct dir_data
{
unsigned int rva;
unsigned int size;
};
struct exp_data
{
unsigned int rva;
const char *name;
};
static struct
{
unsigned int section_align;
unsigned int file_align;
unsigned int sec_count;
unsigned int exp_count;
struct dir_data dir[16];
struct sec_data sec[8];
struct exp_data exp[8];
} pe;
static void set_dir( unsigned int idx, unsigned int rva, unsigned int size )
{
pe.dir[idx].rva = rva;
pe.dir[idx].size = size;
}
static void add_export( unsigned int rva, const char *name )
{
pe.exp[pe.exp_count].rva = rva;
pe.exp[pe.exp_count].name = name;
pe.exp_count++;
}
static unsigned int current_rva(void)
{
if (!pe.sec_count) return pe.section_align;
return pe.sec[pe.sec_count - 1].rva + pe.sec[pe.sec_count - 1].virt_size;
}
static unsigned int current_filepos(void)
{
if (!pe.sec_count) return pe.file_align;
return pe.sec[pe.sec_count - 1].filepos + pe.sec[pe.sec_count - 1].file_size;
}
static unsigned int flush_output_to_section( const char *name, int dir_idx, unsigned int flags )
{
struct sec_data *sec = &pe.sec[pe.sec_count];
if (!output_buffer_pos) return 0;
memset( sec->name, 0, sizeof(sec->name) );
memcpy( sec->name, name, min( strlen(name), sizeof(sec->name) ));
sec->ptr = output_buffer;
sec->size = output_buffer_pos;
sec->flags = flags;
sec->rva = current_rva();
sec->filepos = current_filepos();
sec->file_size = (sec->size + pe.file_align - 1) & ~(pe.file_align - 1);
sec->virt_size = (sec->size + pe.section_align - 1) & ~(pe.section_align - 1);
if (dir_idx >= 0) set_dir( dir_idx, sec->rva, sec->size );
init_output_buffer();
pe.sec_count++;
return sec->size;
}
static void output_pe_exports( DLLSPEC *spec )
{
struct exports *exports = &spec->exports;
unsigned int i, exp_count = get_exports_count( exports );
unsigned int exp_rva = current_rva() + 40; /* sizeof(IMAGE_EXPORT_DIRECTORY) */
unsigned int pos, str_rva = exp_rva + 4 * exp_count + 6 * exports->nb_names;
if (!exports->nb_entry_points) return;
init_output_buffer();
put_dword( 0 ); /* Characteristics */
put_dword( hash_filename(spec->file_name) ); /* TimeDateStamp */
put_word( 0 ); /* MajorVersion */
put_word( 0 ); /* MinorVersion */
put_dword( str_rva ); /* Name */
put_dword( exports->base ); /* Base */
put_dword( exp_count ); /* NumberOfFunctions */
put_dword( exports->nb_names ); /* NumberOfNames */
put_dword( exp_rva ); /* AddressOfFunctions */
if (exports->nb_names)
{
put_dword( exp_rva + 4 * exp_count ); /* AddressOfNames */
put_dword( exp_rva + 4 * exp_count + 4 * exports->nb_names ); /* AddressOfNameOrdinals */
}
else
{
put_dword( 0 ); /* AddressOfNames */
put_dword( 0 ); /* AddressOfNameOrdinals */
}
/* functions */
for (i = 0, pos = str_rva + strlen(spec->file_name) + 1; i < exports->nb_names; i++)
pos += strlen( exports->names[i]->name ) + 1;
for (i = exports->base; i <= exports->limit; i++)
{
ORDDEF *odp = exports->ordinals[i];
if (odp && (odp->flags & FLAG_FORWARD))
{
put_dword( pos );
pos += strlen(odp->link_name) + 1;
}