forked from Mirrors/wine-wine
winebuild: Hardcode the stack frame offsets instead of using the data structures.
Alexandre Julliard
parent
d71284f0b4
commit
89f6bc2ef4
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@ -28,26 +28,17 @@
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#include <ctype.h>
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#include <stdarg.h>
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#define __WINESRC__ /* FIXME: for WINE_VM86_TEB_INFO */
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#include "winternl.h"
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#include "wine/winbase16.h"
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#include "windef.h"
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#include "build.h"
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/* offset of a structure field relative to the start of the struct */
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#define STRUCTOFFSET(type,field) ((int)FIELD_OFFSET(type,field))
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/* offset of register relative to the start of the STACK16FRAME struct */
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#define STACK16OFFSET(reg) STRUCTOFFSET(STACK16FRAME,reg)
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/* offset of register relative to the start of the STACK32FRAME struct */
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#define STACK32OFFSET(reg) STRUCTOFFSET(STACK32FRAME,reg)
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/* offset of the stack pointer relative to %fs:(0) */
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#define STACKOFFSET 0xc0 /* STRUCTOFFSET(TEB,WOW32Reserved) */
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#define STACKOFFSET 0xc0 /* FIELD_OFFSET(TEB,WOW32Reserved) */
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/* fix this if the ntdll_thread_regs structure is changed */
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#define GS_OFFSET 0x1d8 /* STRUCTOFFSET(TEB,SystemReserved2) + STRUCTOFFSET(ntdll_thread_data,gs) */
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#define GS_OFFSET 0x1d8 /* FIELD_OFFSET(TEB,SystemReserved2) + FIELD_OFFSET(ntdll_thread_data,gs) */
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#define DPMI_VIF_OFFSET (0x1fc + 0) /* FIELD_OFFSET(TEB,GdiTebBatch) + FIELD_OFFSET(WINE_VM86_TEB_INFO,dpmi_vif) */
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#define VM86_PENDING_OFFSET (0x1fc + 4) /* FIELD_OFFSET(TEB,GdiTebBatch) + FIELD_OFFSET(WINE_VM86_TEB_INFO,vm86_pending) */
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static void function_header( const char *name )
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{
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@ -190,7 +181,7 @@ static void BuildCallFrom16Core( int reg_func, int thunk )
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output( "\tpushl %%ds\n" );
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output( "\tpopl %%ss\n" );
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output( "\tmovl %%ebp, %%esp\n" );
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output( "\taddl $%d, %%ebp\n", STACK32OFFSET(ebp) );
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output( "\taddl $0x20,%%ebp\n"); /* FIELD_OFFSET(STACK32FRAME,ebp) */
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/* At this point:
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@ -207,10 +198,10 @@ static void BuildCallFrom16Core( int reg_func, int thunk )
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if ( thunk )
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{
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/* Set up registers as expected and call thunk */
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output( "\tleal %d(%%edx), %%ebx\n", (int)sizeof(STACK16FRAME)-22 );
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output( "\tleal 0x1a(%%edx),%%ebx\n" ); /* sizeof(STACK16FRAME)-22 */
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output( "\tleal -4(%%esp), %%ebp\n" );
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output( "\tcall *%d(%%edx)\n", STACK16OFFSET(entry_point) );
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output( "\tcall *0x26(%%edx)\n"); /* FIELD_OFFSET(STACK16FRAME,entry_point) */
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/* Switch stack back */
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output( "\t.byte 0x64\n\tmovw (%d), %%ss\n", STACKOFFSET+2 );
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@ -241,7 +232,7 @@ static void BuildCallFrom16Core( int reg_func, int thunk )
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/* Build register CONTEXT */
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if ( reg_func )
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{
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output( "\tsubl $%d, %%esp\n", (int)sizeof(CONTEXT86) );
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output( "\tsubl $0x2cc,%%esp\n" ); /* sizeof(CONTEXT86) */
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output( "\tmovl %%ecx,0xc0(%%esp)\n" ); /* EFlags */
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@ -250,31 +241,31 @@ static void BuildCallFrom16Core( int reg_func, int thunk )
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output( "\tmovl %%esi,0xa0(%%esp)\n" ); /* Esi */
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output( "\tmovl %%edi,0x9c(%%esp)\n" ); /* Edi */
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output( "\tmovl %d(%%edx), %%eax\n", STACK16OFFSET(ebp) );
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output( "\tmovl 0x0c(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,ebp) */
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output( "\tmovl %%eax,0xb4(%%esp)\n" ); /* Ebp */
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output( "\tmovl %d(%%edx), %%eax\n", STACK16OFFSET(ecx) );
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output( "\tmovl 0x08(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,ecx) */
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output( "\tmovl %%eax,0xac(%%esp)\n" ); /* Ecx */
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output( "\tmovl %d(%%edx), %%eax\n", STACK16OFFSET(edx) );
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output( "\tmovl 0x04(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,edx) */
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output( "\tmovl %%eax,0xa8(%%esp)\n" ); /* Edx */
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output( "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(ds) );
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output( "\tmovzwl 0x10(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,ds) */
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output( "\tmovl %%eax,0x98(%%esp)\n" ); /* SegDs */
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output( "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(es) );
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output( "\tmovzwl 0x12(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,es) */
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output( "\tmovl %%eax,0x94(%%esp)\n" ); /* SegEs */
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output( "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(fs) );
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output( "\tmovzwl 0x14(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,fs) */
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output( "\tmovl %%eax,0x90(%%esp)\n" ); /* SegFs */
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output( "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(gs) );
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output( "\tmovzwl 0x16(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,gs) */
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output( "\tmovl %%eax,0x8c(%%esp)\n" ); /* SegGs */
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output( "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(cs) );
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output( "\tmovzwl 0x2e(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,cs) */
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output( "\tmovl %%eax,0xbc(%%esp)\n" ); /* SegCs */
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output( "\tmovzwl %d(%%edx), %%eax\n", STACK16OFFSET(ip) );
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output( "\tmovzwl 0x2c(%%edx),%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,ip) */
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output( "\tmovl %%eax,0xb8(%%esp)\n" ); /* Eip */
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output( "\t.byte 0x64\n\tmovzwl (%d), %%eax\n", STACKOFFSET+2 );
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output( "\tmovl %%eax,0xc8(%%esp)\n" ); /* SegSs */
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output( "\t.byte 0x64\n\tmovzwl (%d), %%eax\n", STACKOFFSET );
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output( "\taddl $%d, %%eax\n", STACK16OFFSET(ip) );
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output( "\taddl $0x2c,%%eax\n"); /* FIELD_OFFSET(STACK16FRAME,ip) */
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output( "\tmovl %%eax,0xc4(%%esp)\n" ); /* Esp */
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#if 0
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output( "\tfsave 0x1c(%%esp)\n" ); /* FloatSave */
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@ -294,14 +285,14 @@ static void BuildCallFrom16Core( int reg_func, int thunk )
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}
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/* Call relay routine (which will call the API entry point) */
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output( "\tleal %d(%%edx), %%eax\n", (int)sizeof(STACK16FRAME) );
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output( "\tleal 0x30(%%edx),%%eax\n" ); /* sizeof(STACK16FRAME) */
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output( "\tpushl %%eax\n" );
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output( "\tpushl %d(%%edx)\n", STACK16OFFSET(entry_point) );
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output( "\tcall *%d(%%edx)\n", STACK16OFFSET(relay) );
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output( "\tpushl 0x26(%%edx)\n"); /* FIELD_OFFSET(STACK16FRAME,entry_point) */
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output( "\tcall *0x20(%%edx)\n"); /* FIELD_OFFSET(STACK16FRAME,relay) */
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if ( reg_func )
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{
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output( "\tleal -%d(%%ebp), %%ebx\n", (int)sizeof(CONTEXT) + STACK32OFFSET(ebp) );
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output( "\tleal -748(%%ebp),%%ebx\n" ); /* sizeof(CONTEXT) + FIELD_OFFSET(STACK32FRAME,ebp) */
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/* Switch stack back */
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output( "\t.byte 0x64\n\tmovw (%d), %%ss\n", STACKOFFSET+2 );
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@ -309,7 +300,7 @@ static void BuildCallFrom16Core( int reg_func, int thunk )
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output( "\t.byte 0x64\n\tpopl (%d)\n", STACKOFFSET );
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/* Get return address to CallFrom16 stub */
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output( "\taddw $%d, %%sp\n", STACK16OFFSET(callfrom_ip)-4 );
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output( "\taddw $0x14,%%sp\n" ); /* FIELD_OFFSET(STACK16FRAME,callfrom_ip)-4 */
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output( "\tpopl %%eax\n" );
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output( "\tpopl %%edx\n" );
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@ -439,7 +430,7 @@ static void BuildCallTo16Core( int reg_func )
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* at the cost of a somewhat less efficient return path.]
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*/
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output( "\tmovl %d(%%esp), %%edi\n", STACK32OFFSET(target) - STACK32OFFSET(edi));
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output( "\tmovl 0x14(%%esp),%%edi\n" ); /* FIELD_OFFSET(STACK32FRAME,target) - FIELD_OFFSET(STACK32FRAME,edi) */
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/* everything above edi has been popped already */
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output( "\tmovl %%eax,0xb0(%%edi)\n"); /* Eax */
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@ -473,15 +464,15 @@ static void BuildCallTo16Core( int reg_func )
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/* Make %bp point to the previous stackframe (built by CallFrom16) */
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output( "\tmovzwl %%sp,%%ebp\n" );
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output( "\tleal %d(%%ebp),%%ebp\n", STACK16OFFSET(bp) );
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output( "\tleal 0x2a(%%ebp),%%ebp\n"); /* FIELD_OFFSET(STACK16FRAME,bp) */
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/* Add the specified offset to the new sp */
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output( "\tsubw %d(%%edx), %%sp\n", STACK32OFFSET(nb_args) );
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output( "\tsubw 0x2c(%%edx), %%sp\n"); /* FIELD_OFFSET(STACK32FRAME,nb_args) */
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if (reg_func)
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{
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/* Push the called routine address */
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output( "\tmovl %d(%%edx),%%edx\n", STACK32OFFSET(target) );
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output( "\tmovl 0x28(%%edx),%%edx\n"); /* FIELD_OFFSET(STACK32FRAME,target) */
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output( "\tpushw 0xbc(%%edx)\n"); /* SegCs */
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output( "\tpushw 0xb8(%%edx)\n"); /* Eip */
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@ -507,12 +498,12 @@ static void BuildCallTo16Core( int reg_func )
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else /* not a register function */
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{
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/* Push the called routine address */
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output( "\tpushl %d(%%edx)\n", STACK32OFFSET(target) );
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output( "\tpushl 0x28(%%edx)\n"); /* FIELD_OFFSET(STACK32FRAME,target) */
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/* Set %fs and %gs to the value saved by the last CallFrom16 */
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output( "\tpushw %d(%%ebp)\n", STACK16OFFSET(fs)-STACK16OFFSET(bp) );
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output( "\tpushw -22(%%ebp)\n" ); /* FIELD_OFFSET(STACK16FRAME,fs)-FIELD_OFFSET(STACK16FRAME,bp) */
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output( "\tpopw %%fs\n" );
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output( "\tpushw %d(%%ebp)\n", STACK16OFFSET(gs)-STACK16OFFSET(bp) );
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output( "\tpushw -20(%%ebp)\n" ); /* FIELD_OFFSET(STACK16FRAME,gs)-FIELD_OFFSET(STACK16FRAME,bp) */
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output( "\tpopw %%gs\n" );
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/* Set %ds and %es (and %ax just in case) equal to %ss */
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@ -758,7 +749,7 @@ static void BuildCallTo32CBClient( BOOL isEx )
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*/
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static void BuildCallFrom32Regs(void)
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{
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static const int STACK_SPACE = 128 + sizeof(CONTEXT86);
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static const int STACK_SPACE = 128 + 0x2cc /* sizeof(CONTEXT86) */;
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/* Function header */
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@ -888,11 +879,9 @@ static void BuildPendingEventCheck(void)
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/* Check for pending events. */
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output( "\t.byte 0x64\n\ttestl $0xffffffff,(%d)\n",
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STRUCTOFFSET(TEB,GdiTebBatch) + STRUCTOFFSET(WINE_VM86_TEB_INFO,vm86_pending) );
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output( "\t.byte 0x64\n\ttestl $0xffffffff,(%d)\n", VM86_PENDING_OFFSET );
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output( "\tje %s\n", asm_name("DPMI_PendingEventCheck_Cleanup") );
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output( "\t.byte 0x64\n\ttestl $0xffffffff,(%d)\n",
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STRUCTOFFSET(TEB,GdiTebBatch) + STRUCTOFFSET(WINE_VM86_TEB_INFO,dpmi_vif) );
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output( "\t.byte 0x64\n\ttestl $0xffffffff,(%d)\n", DPMI_VIF_OFFSET );
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output( "\tje %s\n", asm_name("DPMI_PendingEventCheck_Cleanup") );
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/* Process pending events. */
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