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winebuild: Moved offset definitions to relay.c since they are only 

needed there.
Hardcoded a couple of TEB offsets to support cross-compilation.
This commit is contained in:
Alexandre Julliard 2006-01-20 19:45:57 +01:00
parent aaf7a974a9
commit 76ece8530a
2 changed files with 20 additions and 21 deletions
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16
tools/winebuild/build.h
View File

@ -132,22 +132,6 @@ extern enum target_platform target_platform;
#define FLAG_FORWARD 0x80 /* function is a forwarded name */
#define FLAG_EXT_LINK 0x100 /* function links to an external symbol */
/* Offset of a structure field relative to the start of the struct */
#define STRUCTOFFSET(type,field) ((int)&((type *)0)->field)
/* Offset of register relative to the start of the CONTEXT struct */
#define CONTEXTOFFSET(reg) STRUCTOFFSET(CONTEXT86,reg)
/* 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 (STRUCTOFFSET(TEB,WOW32Reserved))
#define MAX_ORDINALS 65535
/* global functions */

25
tools/winebuild/relay.c
View File

@ -32,6 +32,21 @@
#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 CONTEXT struct */
#define CONTEXTOFFSET(reg) STRUCTOFFSET(CONTEXT86,reg)
/* 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) */
/* fix this if the ntdll_thread_regs structure is changed */
#define GS_OFFSET 0x1b0 /* STRUCTOFFSET(TEB,SpareBytes1) + STRUCTOFFSET(ntdll_thread_regs,gs) */
@ -182,7 +197,7 @@ static void BuildCallFrom16Core( FILE *outfile, int reg_func, int thunk )
fprintf( outfile, "\tpushl %%ds\n" );
fprintf( outfile, "\tpopl %%ss\n" );
fprintf( outfile, "\tmovl %%ebp, %%esp\n" );
fprintf( outfile, "\taddl $%d, %%ebp\n", STRUCTOFFSET(STACK32FRAME, ebp) );
fprintf( outfile, "\taddl $%d, %%ebp\n", STACK32OFFSET(ebp) );
/* At this point:
@ -294,7 +309,7 @@ static void BuildCallFrom16Core( FILE *outfile, int reg_func, int thunk )
if ( reg_func )
{
fprintf( outfile, "\tleal -%d(%%ebp), %%ebx\n",
sizeof(CONTEXT) + STRUCTOFFSET(STACK32FRAME, ebp) );
sizeof(CONTEXT) + STACK32OFFSET(ebp) );
/* Switch stack back */
fprintf( outfile, "\t.byte 0x64\n\tmovw (%d), %%ss\n", STACKOFFSET+2 );
@ -401,15 +416,15 @@ static void BuildCallTo16Core( FILE *outfile, int reg_func )
/* Setup exception frame */
fprintf( outfile, "\t.byte 0x64\n\tpushl (%d)\n", STACKOFFSET );
fprintf( outfile, "\tpushl 16(%%ebp)\n" ); /* handler */
fprintf( outfile, "\t.byte 0x64\n\tpushl (%d)\n", STRUCTOFFSET(TEB,Tib.ExceptionList) );
fprintf( outfile, "\t.byte 0x64\n\tmovl %%esp,(%d)\n", STRUCTOFFSET(TEB,Tib.ExceptionList) );
fprintf( outfile, "\t.byte 0x64\n\tpushl (0)\n" );
fprintf( outfile, "\t.byte 0x64\n\tmovl %%esp,(0)\n" );
/* Call the actual CallTo16 routine (simulate a lcall) */
fprintf( outfile, "\tpushl %%cs\n" );
fprintf( outfile, "\tcall .L%s\n", name );
/* Remove exception frame */
fprintf( outfile, "\t.byte 0x64\n\tpopl (%d)\n", STRUCTOFFSET(TEB,Tib.ExceptionList) );
fprintf( outfile, "\t.byte 0x64\n\tpopl (0)\n" );
fprintf( outfile, "\taddl $4, %%esp\n" );
fprintf( outfile, "\t.byte 0x64\n\tpopl (%d)\n", STACKOFFSET );