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Commit 89f6bc2e authored by Alexandre Julliard's avatar Alexandre Julliard
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winebuild: Hardcode the stack frame offsets instead of using the data structures.

parent d71284f0
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Showing with 35 additions and 46 deletions
tools/winebuild/relay.c
View file @ 89f6bc2e
......@@ -28,26 +28,17 @@
#include <ctype.h>
#include <stdarg.h>
#define __WINESRC__ /* FIXME: for WINE_VM86_TEB_INFO */
#include "winternl.h"
#include "wine/winbase16.h"
#include "windef.h"
#include "build.h"
/* offset of a structure field relative to the start of the struct */
#define STRUCTOFFSET(type,field) ((int)FIELD_OFFSET(type,field))
/* offset of register relative to the start of the STACK16FRAME struct */
#define STACK16OFFSET(reg) STRUCTOFFSET(STACK16FRAME,reg)
/* offset of register relative to the start of the STACK32FRAME struct */
#define STACK32OFFSET(reg) STRUCTOFFSET(STACK32FRAME,reg)
/* offset of the stack pointer relative to %fs:(0) */
#define STACKOFFSET 0xc0 /* STRUCTOFFSET(TEB,WOW32Reserved) */
#define STACKOFFSET 0xc0 /* FIELD_OFFSET(TEB,WOW32Reserved) */
/* fix this if the ntdll_thread_regs structure is changed */
#define GS_OFFSET 0x1d8 /* STRUCTOFFSET(TEB,SystemReserved2) + STRUCTOFFSET(ntdll_thread_data,gs) */
#define GS_OFFSET 0x1d8 /* FIELD_OFFSET(TEB,SystemReserved2) + FIELD_OFFSET(ntdll_thread_data,gs) */
#define DPMI_VIF_OFFSET (0x1fc + 0) /* FIELD_OFFSET(TEB,GdiTebBatch) + FIELD_OFFSET(WINE_VM86_TEB_INFO,dpmi_vif) */
#define VM86_PENDING_OFFSET (0x1fc + 4) /* FIELD_OFFSET(TEB,GdiTebBatch) + FIELD_OFFSET(WINE_VM86_TEB_INFO,vm86_pending) */
static void function_header( const char *name )
{
......@@ -190,7 +181,7 @@ static void BuildCallFrom16Core( int reg_func, int thunk )
output( "\tpushl %%ds\n" );
output( "\tpopl %%ss\n" );
output( "\tmovl %%ebp, %%esp\n" );
output( "\taddl $%d, %%ebp\n", STACK32OFFSET(ebp) );
output( "\taddl $0x20,%%ebp\n"); /* FIELD_OFFSET(STACK32FRAME,ebp) */
/* At this point:
......@@ -207,10 +198,10 @@ static void BuildCallFrom16Core( int reg_func, int thunk )
if ( thunk )
{
/* Set up registers as expected and call thunk */
output( "\tleal %d(%%edx), %%ebx\n", (int)sizeof(STACK16FRAME)-22 );
output( "\tleal 0x1a(%%edx),%%ebx\n" ); /* sizeof(STACK16FRAME)-22 */
output( "\tleal -4(%%esp), %%ebp\n" );
output( "\tcall *%d(%%edx)\n", STACK16OFFSET(entry_point) );
output( "\tcall *0x26(%%edx)\n"); /* FIELD_OFFSET(STACK16FRAME,entry_point) */
/* Switch stack back */
output( "\t.byte 0x64\n\tmovw (%d), %%ss\n", STACKOFFSET+2 );
......@@ -241,7 +232,7 @@ static void BuildCallFrom16Core( int reg_func, int thunk )
/* Build register CONTEXT */
if ( reg_func )
{
output( "\tsubl $%d, %%esp\n", (int)sizeof(CONTEXT86) );
output( "\tsubl $0x2cc,%%esp\n" ); /* sizeof(CONTEXT86) */
output( "\tmovl %%ecx,0xc0(%%esp)\n" ); /* EFlags */
......@@ -250,31 +241,31 @@ static void BuildCallFrom16Core( int reg_func, int thunk )
output( "\tmovl %%esi,0xa0(%%esp)\n" ); /* Esi */
output( "\tmovl %%edi,0x9c(%%esp)\n" ); /* Edi */
output( "\tmovl %d(%%edx), %%eax\n", STACK16OFFSET(ebp) );
output( "\tmovl 0x0c(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,ebp) */
output( "\tmovl %%eax,0xb4(%%esp)\n" ); /* Ebp */
output( "\tmovl %d(%%edx), %%eax\n", STACK16OFFSET(ecx) );
output( "\tmovl 0x08(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,ecx) */
output( "\tmovl %%eax,0xac(%%esp)\n" ); /* Ecx */
output( "\tmovl %d(%%edx), %%eax\n", STACK16OFFSET(edx) );
output( "\tmovl 0x04(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,edx) */
output( "\tmovl %%eax,0xa8(%%esp)\n" ); /* Edx */
output( "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(ds) );
output( "\tmovzwl 0x10(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,ds) */
output( "\tmovl %%eax,0x98(%%esp)\n" ); /* SegDs */
output( "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(es) );
output( "\tmovzwl 0x12(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,es) */
output( "\tmovl %%eax,0x94(%%esp)\n" ); /* SegEs */
output( "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(fs) );
output( "\tmovzwl 0x14(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,fs) */
output( "\tmovl %%eax,0x90(%%esp)\n" ); /* SegFs */
output( "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(gs) );
output( "\tmovzwl 0x16(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,gs) */
output( "\tmovl %%eax,0x8c(%%esp)\n" ); /* SegGs */
output( "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(cs) );
output( "\tmovzwl 0x2e(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,cs) */
output( "\tmovl %%eax,0xbc(%%esp)\n" ); /* SegCs */
output( "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(ip) );
output( "\tmovzwl 0x2c(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,ip) */
output( "\tmovl %%eax,0xb8(%%esp)\n" ); /* Eip */
output( "\t.byte 0x64\n\tmovzwl (%d), %%eax\n", STACKOFFSET+2 );
output( "\tmovl %%eax,0xc8(%%esp)\n" ); /* SegSs */
output( "\t.byte 0x64\n\tmovzwl (%d), %%eax\n", STACKOFFSET );
output( "\taddl $%d, %%eax\n", STACK16OFFSET(ip) );
output( "\taddl $0x2c,%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,ip) */
output( "\tmovl %%eax,0xc4(%%esp)\n" ); /* Esp */
#if 0
output( "\tfsave 0x1c(%%esp)\n" ); /* FloatSave */
......@@ -294,14 +285,14 @@ static void BuildCallFrom16Core( int reg_func, int thunk )
}
/* Call relay routine (which will call the API entry point) */
output( "\tleal %d(%%edx), %%eax\n", (int)sizeof(STACK16FRAME) );
output( "\tleal 0x30(%%edx),%%eax\n" ); /* sizeof(STACK16FRAME) */
output( "\tpushl %%eax\n" );
output( "\tpushl %d(%%edx)\n", STACK16OFFSET(entry_point) );
output( "\tcall *%d(%%edx)\n", STACK16OFFSET(relay) );
output( "\tpushl 0x26(%%edx)\n"); /* FIELD_OFFSET(STACK16FRAME,entry_point) */
output( "\tcall *0x20(%%edx)\n"); /* FIELD_OFFSET(STACK16FRAME,relay) */
if ( reg_func )
{
output( "\tleal -%d(%%ebp), %%ebx\n", (int)sizeof(CONTEXT) + STACK32OFFSET(ebp) );
output( "\tleal -748(%%ebp),%%ebx\n" ); /* sizeof(CONTEXT) + FIELD_OFFSET(STACK32FRAME,ebp) */
/* Switch stack back */
output( "\t.byte 0x64\n\tmovw (%d), %%ss\n", STACKOFFSET+2 );
......@@ -309,7 +300,7 @@ static void BuildCallFrom16Core( int reg_func, int thunk )
output( "\t.byte 0x64\n\tpopl (%d)\n", STACKOFFSET );
/* Get return address to CallFrom16 stub */
output( "\taddw $%d, %%sp\n", STACK16OFFSET(callfrom_ip)-4 );
output( "\taddw $0x14,%%sp\n" ); /* FIELD_OFFSET(STACK16FRAME,callfrom_ip)-4 */
output( "\tpopl %%eax\n" );
output( "\tpopl %%edx\n" );
......@@ -439,7 +430,7 @@ static void BuildCallTo16Core( int reg_func )
* at the cost of a somewhat less efficient return path.]
*/
output( "\tmovl %d(%%esp), %%edi\n", STACK32OFFSET(target) - STACK32OFFSET(edi));
output( "\tmovl 0x14(%%esp),%%edi\n" ); /* FIELD_OFFSET(STACK32FRAME,target) - FIELD_OFFSET(STACK32FRAME,edi) */
/* everything above edi has been popped already */
output( "\tmovl %%eax,0xb0(%%edi)\n"); /* Eax */
......@@ -473,15 +464,15 @@ static void BuildCallTo16Core( int reg_func )
/* Make %bp point to the previous stackframe (built by CallFrom16) */
output( "\tmovzwl %%sp,%%ebp\n" );
output( "\tleal %d(%%ebp),%%ebp\n", STACK16OFFSET(bp) );
output( "\tleal 0x2a(%%ebp),%%ebp\n"); /* FIELD_OFFSET(STACK16FRAME,bp) */
/* Add the specified offset to the new sp */
output( "\tsubw %d(%%edx), %%sp\n", STACK32OFFSET(nb_args) );
output( "\tsubw 0x2c(%%edx), %%sp\n"); /* FIELD_OFFSET(STACK32FRAME,nb_args) */
if (reg_func)
{
/* Push the called routine address */
output( "\tmovl %d(%%edx),%%edx\n", STACK32OFFSET(target) );
output( "\tmovl 0x28(%%edx),%%edx\n"); /* FIELD_OFFSET(STACK32FRAME,target) */
output( "\tpushw 0xbc(%%edx)\n"); /* SegCs */
output( "\tpushw 0xb8(%%edx)\n"); /* Eip */
......@@ -507,12 +498,12 @@ static void BuildCallTo16Core( int reg_func )
else /* not a register function */
{
/* Push the called routine address */
output( "\tpushl %d(%%edx)\n", STACK32OFFSET(target) );
output( "\tpushl 0x28(%%edx)\n"); /* FIELD_OFFSET(STACK32FRAME,target) */
/* Set %fs and %gs to the value saved by the last CallFrom16 */
output( "\tpushw %d(%%ebp)\n", STACK16OFFSET(fs)-STACK16OFFSET(bp) );
output( "\tpushw -22(%%ebp)\n" ); /* FIELD_OFFSET(STACK16FRAME,fs)-FIELD_OFFSET(STACK16FRAME,bp) */
output( "\tpopw %%fs\n" );
output( "\tpushw %d(%%ebp)\n", STACK16OFFSET(gs)-STACK16OFFSET(bp) );
output( "\tpushw -20(%%ebp)\n" ); /* FIELD_OFFSET(STACK16FRAME,gs)-FIELD_OFFSET(STACK16FRAME,bp) */
output( "\tpopw %%gs\n" );
/* Set %ds and %es (and %ax just in case) equal to %ss */
......@@ -758,7 +749,7 @@ static void BuildCallTo32CBClient( BOOL isEx )
*/
static void BuildCallFrom32Regs(void)
{
static const int STACK_SPACE = 128 + sizeof(CONTEXT86);
static const int STACK_SPACE = 128 + 0x2cc /* sizeof(CONTEXT86) */;
/* Function header */
......@@ -888,11 +879,9 @@ static void BuildPendingEventCheck(void)
/* Check for pending events. */
output( "\t.byte 0x64\n\ttestl $0xffffffff,(%d)\n",
STRUCTOFFSET(TEB,GdiTebBatch) + STRUCTOFFSET(WINE_VM86_TEB_INFO,vm86_pending) );
output( "\t.byte 0x64\n\ttestl $0xffffffff,(%d)\n", VM86_PENDING_OFFSET );
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( "\t.byte 0x64\n\ttestl $0xffffffff,(%d)\n", DPMI_VIF_OFFSET );
output( "\tje %s\n", asm_name("DPMI_PendingEventCheck_Cleanup") );
/* Process pending events. */
......
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