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Modified Win32 register function handling.

This commit is contained in:
Ulrich Weigand 1999-11-13 23:51:13 +00:00 committed by Alexandre Julliard
parent ae5e93e365
commit 9b233bdb8a
3 changed files with 102 additions and 37 deletions
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9
include/stackframe.h
View File

@ -91,24 +91,19 @@ static inline void WINE_UNUSED stack16_pop( int size )
teb->cur_stack += size;
}
#ifdef __i386__
/* Push a DWORD on the 32-bit stack */
static inline void WINE_UNUSED stack32_push( CONTEXT *context, DWORD val )
static inline void WINE_UNUSED stack32_push( CONTEXT86 *context, DWORD val )
{
ESP_reg(context) -= sizeof(DWORD);
*(DWORD *)ESP_reg(context) = val;
}
/* Pop a DWORD from the 32-bit stack */
static inline DWORD WINE_UNUSED stack32_pop( CONTEXT *context )
static inline DWORD WINE_UNUSED stack32_pop( CONTEXT86 *context )
{
DWORD ret = *(DWORD *)ESP_reg(context);
ESP_reg(context) += sizeof(DWORD);
return ret;
}
#endif /* __i386__ */
/* Win32 register functions */
#define REGS_FUNC(name) __regs_##name
#endif /* __WINE_STACKFRAME_H */

59
include/winnt.h
View File

@ -561,6 +561,8 @@ typedef struct _STACK_FRAME_HEADER
typedef struct _CONTEXT
{
DWORD ContextFlags;
/* These are selected by CONTEXT_INTEGER */
DWORD g0;
DWORD g1;
@ -664,6 +666,63 @@ typedef HANDLE *PHANDLE;
#define ISV86(context) (EFL_reg(context) & 0x00020000)
#define V86BASE(context) ((context)->Dr7) /* ugly */
/* Macros to retrieve the current context */
#ifdef __i386__
#define _DEFINE_REGS_ENTRYPOINT( name, fn, args ) \
__asm__(".align 4\n\t" \
".globl " #name "\n\t" \
".type " #name ",@function\n\t" \
#name ":\n\t" \
"call CALL32_Regs\n\t" \
".long " #fn "\n\t" \
".byte " #args ", " #args "\n\t");
#define DEFINE_REGS_ENTRYPOINT_0( name, fn ) \
_DEFINE_REGS_ENTRYPOINT( name, fn, 0 )
#define DEFINE_REGS_ENTRYPOINT_1( name, fn, t1 ) \
_DEFINE_REGS_ENTRYPOINT( name, fn, 4 )
#define DEFINE_REGS_ENTRYPOINT_2( name, fn, t1, t2 ) \
_DEFINE_REGS_ENTRYPOINT( name, fn, 8 )
#define DEFINE_REGS_ENTRYPOINT_3( name, fn, t1, t2, t3 ) \
_DEFINE_REGS_ENTRYPOINT( name, fn, 12 )
#define DEFINE_REGS_ENTRYPOINT_4( name, fn, t1, t2, t3, t4 ) \
_DEFINE_REGS_ENTRYPOINT( name, fn, 16 )
#endif /* __i386__ */
#ifdef __sparc__
/* FIXME: use getcontext() to retrieve full context */
#define _GET_CONTEXT \
CONTEXT context; \
do { memset(&context, 0, sizeof(CONTEXT)); \
context.ContextFlags = CONTEXT_CONTROL; \
context.pc = (DWORD)__builtin_return_address(0); \
} while (0)
#define DEFINE_REGS_ENTRYPOINT_0( name, fn ) \
void WINAPI name ( void ) \
{ _GET_CONTEXT; fn( &context ); }
#define DEFINE_REGS_ENTRYPOINT_1( name, fn, t1 ) \
void WINAPI name ( t1 a1 ) \
{ _GET_CONTEXT; fn( a1, &context ); }
#define DEFINE_REGS_ENTRYPOINT_2( name, fn, t1, t2 ) \
void WINAPI name ( t1 a1, t2 a2 ) \
{ _GET_CONTEXT; fn( a1, a2, &context ); }
#define DEFINE_REGS_ENTRYPOINT_3( name, fn, t1, t2, t3 ) \
void WINAPI name ( t1 a1, t2 a2, t3 a3 ) \
{ _GET_CONTEXT; fn( a1, a2, a3, &context ); }
#define DEFINE_REGS_ENTRYPOINT_4( name, fn, t1, t2, t3, t4 ) \
void WINAPI name ( t1 a1, t2 a2, t3 a3, t4 a4 ) \
{ _GET_CONTEXT; fn( a1, a2, a3, a4, &context ); }
#endif /* __sparc__ */
#ifndef DEFINE_REGS_ENTRYPOINT_0
#error You need to define DEFINE_REGS_ENTRYPOINT macros for your CPU
#endif
#ifdef __i386__
# define GET_IP(context) ((LPVOID)(context)->Eip)
#endif

71
tools/build.c
View File

@ -472,6 +472,13 @@ static int ParseExportFunction( ORDDEF *odp )
if ((odp->type == TYPE_STDCALL) && !i)
odp->type = TYPE_CDECL; /* stdcall is the same as cdecl for 0 args */
strcpy(odp->u.func.link_name, GetToken());
/* Ignore Win32 'register' routines on non-Intel archs */
#ifndef __i386__
if ( odp->type == TYPE_REGISTER && SpecType == SPEC_WIN32 )
odp->type = TYPE_INVALID;
#endif
return 0;
}
@ -1024,7 +1031,7 @@ static int BuildModule16( FILE *outfile, int max_code_offset,
static int BuildSpec32File( char * specfile, FILE *outfile )
{
ORDDEF *odp;
int i, nb_names, fwd_size = 0;
int i, nb_names, fwd_size = 0, have_regs = FALSE;
fprintf( outfile, "/* File generated automatically from %s; do not edit! */\n\n",
specfile );
@ -1041,33 +1048,6 @@ static int BuildSpec32File( char * specfile, FILE *outfile )
i, DLLName, i );
}
/* Output code for all register functions */
fprintf( outfile, "#ifdef __i386__\n" );
fprintf( outfile, "#ifndef __GNUC__\n" );
fprintf( outfile, "static void __asm__dummy() {\n" );
fprintf( outfile, "#endif /* !defined(__GNUC__) */\n" );
for (i = Base, odp = OrdinalDefinitions + Base; i <= Limit; i++, odp++)
{
if (odp->type != TYPE_REGISTER) continue;
fprintf( outfile,
"__asm__(\".align 4\\n\\t\"\n"
" \".globl " PREFIX "%s\\n\\t\"\n"
" \".type " PREFIX "%s,@function\\n\\t\"\n"
" \"" PREFIX "%s:\\n\\t\"\n"
" \"call " PREFIX "CALL32_Regs\\n\\t\"\n"
" \".long " PREFIX "__regs_%s\\n\\t\"\n"
" \".byte %d,%d\");\n",
odp->u.func.link_name, odp->u.func.link_name,
odp->u.func.link_name, odp->u.func.link_name,
4 * strlen(odp->u.func.arg_types),
4 * strlen(odp->u.func.arg_types) );
}
fprintf( outfile, "#ifndef __GNUC__\n" );
fprintf( outfile, "}\n" );
fprintf( outfile, "#endif /* !defined(__GNUC__) */\n" );
fprintf( outfile, "#endif /* defined(__i386__) */\n" );
/* Output the DLL functions prototypes */
for (i = Base, odp = OrdinalDefinitions + Base; i <= Limit; i++, odp++)
@ -1077,7 +1057,6 @@ static int BuildSpec32File( char * specfile, FILE *outfile )
case TYPE_EXTERN:
fprintf( outfile, "extern void %s();\n", odp->u.ext.link_name );
break;
case TYPE_REGISTER:
case TYPE_STDCALL:
case TYPE_VARARGS:
case TYPE_CDECL:
@ -1086,6 +1065,10 @@ static int BuildSpec32File( char * specfile, FILE *outfile )
case TYPE_FORWARD:
fwd_size += strlen(odp->u.fwd.link_name) + 1;
break;
case TYPE_REGISTER:
fprintf( outfile, "extern void __regs_%d();\n", i );
have_regs = TRUE;
break;
case TYPE_INVALID:
case TYPE_STUB:
break;
@ -1100,6 +1083,32 @@ static int BuildSpec32File( char * specfile, FILE *outfile )
if (DLLInitFunc[0]) fprintf( outfile, "extern void %s();\n", DLLInitFunc );
/* Output code for all register functions */
if ( have_regs )
{
fprintf( outfile, "#ifndef __GNUC__\n" );
fprintf( outfile, "static void __asm__dummy() {\n" );
fprintf( outfile, "#endif /* !defined(__GNUC__) */\n" );
for (i = Base, odp = OrdinalDefinitions + Base; i <= Limit; i++, odp++)
{
if (odp->type != TYPE_REGISTER) continue;
fprintf( outfile,
"__asm__(\".align 4\\n\\t\"\n"
" \".type " PREFIX "__regs_%d,@function\\n\\t\"\n"
" \"" PREFIX "__regs_%d:\\n\\t\"\n"
" \"call " PREFIX "CALL32_Regs\\n\\t\"\n"
" \".long " PREFIX "%s\\n\\t\"\n"
" \".byte %d,%d\");\n",
i, i, odp->u.func.link_name,
4 * strlen(odp->u.func.arg_types),
4 * strlen(odp->u.func.arg_types) );
}
fprintf( outfile, "#ifndef __GNUC__\n" );
fprintf( outfile, "}\n" );
fprintf( outfile, "#endif /* !defined(__GNUC__) */\n" );
}
/* Output the DLL functions table */
fprintf( outfile, "\nstatic const ENTRYPOINT32 Functions[%d] =\n{\n",
@ -1114,7 +1123,6 @@ static int BuildSpec32File( char * specfile, FILE *outfile )
case TYPE_EXTERN:
fprintf( outfile, " %s", odp->u.ext.link_name );
break;
case TYPE_REGISTER:
case TYPE_STDCALL:
case TYPE_VARARGS:
case TYPE_CDECL:
@ -1123,6 +1131,9 @@ static int BuildSpec32File( char * specfile, FILE *outfile )
case TYPE_STUB:
fprintf( outfile, " __stub_%d", i );
break;
case TYPE_REGISTER:
fprintf( outfile, " __regs_%d", i );
break;
case TYPE_FORWARD:
fprintf( outfile, " (ENTRYPOINT32)\"%s\"", odp->u.fwd.link_name );
break;