/*******************************************************************
* BuildPendingEventCheck
*
* Build a function that checks whether there are any
* pending DPMI events.
*
* Stack layout:
*
* (sp+12) long eflags
* (sp+6) long cs
* (sp+2) long ip
* (sp) word fs
*
* On entry to function, fs register points to a valid TEB.
* On exit from function, stack will be popped.
*/
static void BuildPendingEventCheck(void)
{
/* Function header */
function_header( "DPMI_PendingEventCheck" );
/* Check for pending events. */
output( "\t.byte 0x64\n\ttestl $0xffffffff,(%d)\n",
STRUCTOFFSET(TEB,GdiTebBatch) + STRUCTOFFSET(WINE_VM86_TEB_INFO,vm86_pending) );
output( "\tje %s\n", asm_name("DPMI_PendingEventCheck_Cleanup") );
output( "\t.byte 0x64\n\ttestl $0xffffffff,(%d)\n",
STRUCTOFFSET(TEB,GdiTebBatch) + STRUCTOFFSET(WINE_VM86_TEB_INFO,dpmi_vif) );
output( "\tje %s\n", asm_name("DPMI_PendingEventCheck_Cleanup") );
/* Process pending events. */
output( "\tsti\n" );
/* Start cleanup. Restore fs register. */
output( "%s\n", asm_globl("DPMI_PendingEventCheck_Cleanup") );
output( "\tpopw %%fs\n" );
/* Return from function. */
output( "%s\n", asm_globl("DPMI_PendingEventCheck_Return") );
output( "\tiret\n" );
output_function_size( "DPMI_PendingEventCheck" );
}
/*******************************************************************
* BuildRelays16
*
* Build all the 16-bit relay callbacks
*/
void BuildRelays16(void)
{
if (target_cpu != CPU_x86)
{
output( "/* File not used with this architecture. Do not edit! */\n\n" );
return;
}
/* File header */
output( "/* File generated automatically. Do not edit! */\n\n" );
output( "\t.text\n" );
output( "%s:\n\n", asm_name("__wine_spec_thunk_text_16") );
output( "%s\n", asm_globl("__wine_call16_start") );
/* Standard CallFrom16 routine */
BuildCallFrom16Core( FALSE, FALSE );
/* Register CallFrom16 routine */
BuildCallFrom16Core( TRUE, FALSE );
/* C16ThkSL CallFrom16 routine */
BuildCallFrom16Core( FALSE, TRUE );
/* Standard CallTo16 routine */
BuildCallTo16Core( 0 );
/* Register CallTo16 routine */
BuildCallTo16Core( 1 );
/* Standard CallTo16 return stub */
BuildRet16Func();
/* CBClientThunkSL routine */
BuildCallTo32CBClient( FALSE );
/* CBClientThunkSLEx routine */
BuildCallTo32CBClient( TRUE );
/* Pending DPMI events check stub */
BuildPendingEventCheck();
output( "%s\n", asm_globl("__wine_call16_end") );
output_function_size( "__wine_spec_thunk_text_16" );
/* Declare the return address and data selector variables */
output( "\n\t.data\n\t.align %d\n", get_alignment(4) );
output( "%s\n\t.long 0\n", asm_globl("CallTo16_DataSelector") );
output( "%s\n\t.long 0\n", asm_globl("CallTo16_TebSelector") );
if (UsePIC) output( "wine_ldt_copy_ptr:\t.long %s\n", asm_name("wine_ldt_copy") );
output_gnu_stack_note();
}
/* output a single import thunk */
static void output_import_thunk( const char *name, const char *table, int pos )
{
output( "\n\t.align %d\n", get_alignment(4) );
output( "\t%s\n", func_declaration(name) );
output( "%s\n", asm_globl(name) );
output_cfi( ".cfi_startproc" );
switch(target_cpu)
{
case CPU_x86:
if (!UsePIC)
{
output( "\tjmp *(%s+%d)\n", table, pos );
}
else
{
output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
output( "1:\tjmp *%s+%d-1b(%%eax)\n", table, pos );
}
break;
case CPU_x86_64:
output( "\tjmpq *%s+%d(%%rip)\n", table, pos );
break;
case CPU_ARM:
output( "\tldr IP,1f\n");
output( "\tldr PC,[PC,IP]\n" );
output( "1:\t.long %s+%u-(1b+4)\n", table, pos );
break;
case CPU_ARM64:
output( "\tadr x9, 1f\n" );
output( "\tldur x9, [x9, #0]\n" );
if (pos & 0xf000) output( "\tadd x9, x9, #%u\n", pos & 0xf000 );
if (pos & 0x0f00) output( "\tadd x9, x9, #%u\n", pos & 0x0f00 );
if (pos & 0x00f0) output( "\tadd x9, x9, #%u\n", pos & 0x00f0 );
if (pos & 0x000f) output( "\tadd x9, x9, #%u\n", pos & 0x000f );
output( "\tldur x9, [x9, #0]\n" );
output( "\tbr x9\n" );
output( "1:\t.quad %s\n", table );
break;
case CPU_POWERPC:
output( "\tmr %s, %s\n", ppc_reg(0), ppc_reg(31) );
if (target_platform == PLATFORM_APPLE)
{
output( "\tlis %s, ha16(%s+%d+32768)\n", ppc_reg(31), table, pos );
output( "\tla %s, lo16(%s+%d)(%s)\n", ppc_reg(31), table, pos, ppc_reg(31) );
}
else
{
output( "\tlis %s, (%s+%d+32768)@h\n", ppc_reg(31), table, pos );
output( "\tla %s, (%s+%d)@l(%s)\n", ppc_reg(31), table, pos, ppc_reg(31) );
}
output( "\tlwz %s, 0(%s)\n", ppc_reg(31), ppc_reg(31) );
output( "\tmtctr %s\n", ppc_reg(31) );
output( "\tmr %s, %s\n", ppc_reg(31), ppc_reg(0) );
output( "\tbctr\n" );
break;
}
output_cfi( ".cfi_endproc" );
output_function_size( name );
}
/*******************************************************************
* output_asm_relays16
*
* Build all the 16-bit relay callbacks
*/
void output_asm_relays16(void)
{
/* File header */
output( "\t.text\n" );
output( "%s:\n\n", asm_name("__wine_spec_thunk_text_16") );
output( "%s\n", asm_globl("__wine_call16_start") );
/* Standard CallFrom16 routine */
BuildCallFrom16Core( 0, 0 );
/* Register CallFrom16 routine */
BuildCallFrom16Core( 1, 0 );
/* C16ThkSL CallFrom16 routine */
BuildCallFrom16Core( 0, 1 );
/* Standard CallTo16 routine */
BuildCallTo16Core( 0 );
/* Register CallTo16 routine */
BuildCallTo16Core( 1 );
/* Standard CallTo16 return stub */
BuildRet16Func();
/* CBClientThunkSL routine */
BuildCallTo32CBClient( 0 );
/* CBClientThunkSLEx routine */
BuildCallTo32CBClient( 1 );
output( "%s\n", asm_globl("__wine_call16_end") );
output_function_size( "__wine_spec_thunk_text_16" );
/* Declare the return address and data selector variables */
output( "\n\t.data\n\t.align %d\n", get_alignment(4) );
output( "%s\n\t.long 0\n", asm_globl("CallTo16_DataSelector") );
output( "%s\n\t.long 0\n", asm_globl("CallTo16_TebSelector") );
}
/* 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 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_ARM:
output( "\tldr IP,[PC,#0]\n");
output( "\tldr PC,[IP,#%d]\n", pos);
output( "\t.long %s\n", table );
break;
case CPU_ARM64:
output( "\tadr x9, 1f\n" );
output( "\tldur x9, [x9, #0]\n" );
if (pos & 0xf000) output( "\tadd x9, x9, #%u\n", pos & 0xf000 );
if (pos & 0x0f00) output( "\tadd x9, x9, #%u\n", pos & 0x0f00 );
if (pos & 0x00f0) output( "\tadd x9, x9, #%u\n", pos & 0x00f0 );
if (pos & 0x000f) output( "\tadd x9, x9, #%u\n", pos & 0x000f );
output( "\tldur x9, [x9, #0]\n" );
output( "\tbr x9\n" );
output( "1:\t.quad %s\n", table );
break;
case CPU_POWERPC:
output( "\tmr %s, %s\n", ppc_reg(0), ppc_reg(31) );
if (target_platform == PLATFORM_APPLE)
{
output( "\tlis %s, ha16(%s+%d+32768)\n", ppc_reg(31), table, pos );
output( "\tla %s, lo16(%s+%d)(%s)\n", ppc_reg(31), table, pos, ppc_reg(31) );
}
else
{
output( "\tlis %s, (%s+%d+32768)@h\n", ppc_reg(31), table, pos );
output( "\tla %s, (%s+%d)@l(%s)\n", ppc_reg(31), table, pos, ppc_reg(31) );
}
output( "\tlwz %s, 0(%s)\n", ppc_reg(31), ppc_reg(31) );
output( "\tmtctr %s\n", ppc_reg(31) );
output( "\tmr %s, %s\n", ppc_reg(31), ppc_reg(0) );
output( "\tbctr\n" );
break;
}
output_cfi( ".cfi_endproc" );
output_function_size( name );
}
static void function_header( const char *name )
{
output( "\n\t.align %d\n", get_alignment(4) );
output( "\t%s\n", func_declaration(name) );
output( "%s\n", asm_globl(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" );
}
