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Generate stub functions directly in assembly.

This commit is contained in:
Alexandre Julliard 2005-09-14 15:49:45 +00:00
parent 867ae269d4
commit 3fa5678ea9
5 changed files with 64 additions and 34 deletions
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1
tools/winebuild/build.h
View File

@ -177,6 +177,7 @@ extern void dump_bytes( FILE *outfile, const unsigned char *data, int len,
extern int remove_stdcall_decoration( char *name );
extern DLLSPEC *alloc_dll_spec(void);
extern void free_dll_spec( DLLSPEC *spec );
extern int has_stubs( const DLLSPEC *spec );
extern const char *make_c_identifier( const char *str );
extern unsigned int get_alignment(unsigned int align);
extern unsigned int get_page_size(void);

12
tools/winebuild/import.c
View File

@ -454,18 +454,6 @@ static void add_import_func( struct import *imp, ORDDEF *func )
if (imp->delay) total_delayed++;
}
/* check if the spec file exports any stubs */
static int has_stubs( const DLLSPEC *spec )
{
int i;
for (i = 0; i < spec->nb_entry_points; i++)
{
ORDDEF *odp = &spec->entry_points[i];
if (odp->type == TYPE_STUB) return 1;
}
return 0;
}
/* get the default entry point for a given spec file */
static const char *get_default_entry_point( const DLLSPEC *spec )
{

1
tools/winebuild/parser.c
View File

@ -368,6 +368,7 @@ static int parse_spec_stub( ORDDEF *odp, DLLSPEC *spec )
{
odp->u.func.arg_types[0] = '\0';
odp->link_name = xstrdup("");
odp->flags |= FLAG_I386; /* don't bother generating stubs for Winelib */
return 1;
}

69
tools/winebuild/spec32.c
View File

@ -270,38 +270,62 @@ static void output_exports( FILE *outfile, DLLSPEC *spec )
/*******************************************************************
* output_stub_funcs
* output_stubs
*
* Output the functions for stub entry points
*/
static void output_stub_funcs( FILE *outfile, DLLSPEC *spec )
static void output_stubs( FILE *outfile, DLLSPEC *spec )
{
int i;
const char *name, *exp_name;
int i, pos;
if (!has_stubs( spec )) return;
fprintf( outfile, "asm(\".text\\n\"\n" );
for (i = pos = 0; i < spec->nb_entry_points; i++)
{
ORDDEF *odp = &spec->entry_points[i];
if (odp->type != TYPE_STUB) continue;
name = make_internal_name( odp, spec, "stub" );
exp_name = odp->name ? odp->name : odp->export_name;
fprintf( outfile, " \"\\t.align %d\\n\"\n", get_alignment(4) );
fprintf( outfile, " \"\\t%s\\n\"\n", func_declaration(name) );
fprintf( outfile, " \"%s:\\n\"\n", asm_name(name) );
fprintf( outfile, " \"\\tcall .L__wine_stub_getpc_%d\\n\"\n", i );
fprintf( outfile, " \".L__wine_stub_getpc_%d:\\n\"\n", i );
fprintf( outfile, " \"\\tpopl %%eax\\n\"\n" );
if (exp_name)
{
fprintf( outfile, " \"\\tleal .L__wine_stub_strings+%d-.L__wine_stub_getpc_%d(%%eax),%%ecx\\n\"\n",
pos, i );
fprintf( outfile, " \"\\tpushl %%ecx\\n\"\n" );
pos += strlen(exp_name) + 1;
}
else
fprintf( outfile, " \"\\tpushl $%d\\n\"\n", odp->ordinal );
fprintf( outfile, " \"\\tleal %s-.L__wine_stub_getpc_%d(%%eax),%%ecx\\n\"\n",
asm_name("__wine_spec_file_name"), i );
fprintf( outfile, " \"\\tpushl %%ecx\\n\"\n" );
fprintf( outfile, " \"\\tcall %s\\n\"\n", asm_name("__wine_spec_unimplemented_stub") );
fprintf( outfile, " \"\\t%s\\n\"\n", func_size(name) );
}
if (pos)
{
fprintf( outfile, " \".L__wine_stub_strings:\\n\"\n" );
for (i = 0; i < spec->nb_entry_points; i++)
{
ORDDEF *odp = &spec->entry_points[i];
if (odp->type != TYPE_STUB) continue;
fprintf( outfile, "#ifdef __GNUC__\n" );
fprintf( outfile, "extern void __wine_spec_unimplemented_stub( const char *module, const char *func ) __attribute__((noreturn));\n" );
fprintf( outfile, "#else\n" );
fprintf( outfile, "extern void __wine_spec_unimplemented_stub( const char *module, const char *func );\n" );
fprintf( outfile, "#endif\n\n" );
break;
exp_name = odp->name ? odp->name : odp->export_name;
if (exp_name)
fprintf( outfile, " \"\\t%s \\\"%s\\\"\\n\"\n", get_asm_string_keyword(), exp_name );
}
}
for (i = 0; i < spec->nb_entry_points; i++)
{
const ORDDEF *odp = &spec->entry_points[i];
if (odp->type != TYPE_STUB) continue;
fprintf( outfile, "void %s(void) ", make_internal_name( odp, spec, "stub" ) );
if (odp->name)
fprintf( outfile, "{ __wine_spec_unimplemented_stub(__wine_spec_file_name, \"%s\"); }\n", odp->name );
else if (odp->export_name)
fprintf( outfile, "{ __wine_spec_unimplemented_stub(__wine_spec_file_name, \"%s\"); }\n", odp->export_name );
else
fprintf( outfile, "{ __wine_spec_unimplemented_stub(__wine_spec_file_name, \"%d\"); }\n", odp->ordinal );
}
fprintf( outfile, ");\n" );
}
@ -434,8 +458,6 @@ void BuildSpec32File( FILE *outfile, DLLSPEC *spec )
fprintf( outfile, "const char __wine_spec_file_name[] = \"%s\";\n", spec->file_name );
output_stub_funcs( outfile, spec );
/* Output the resources */
resources_size = output_resources( outfile, spec );
@ -542,6 +564,7 @@ void BuildSpec32File( FILE *outfile, DLLSPEC *spec )
fprintf( outfile, " \"\\t.long 0,0\\n\"\n" ); /* DataDirectory[15] */
fprintf( outfile, ");\n" );
output_stubs( outfile, spec );
output_exports( outfile, spec );
output_imports( outfile, spec );
output_dll_init( outfile, "__wine_spec_init_ctor", NULL );

17
tools/winebuild/utils.c
View File

@ -296,6 +296,23 @@ void free_dll_spec( DLLSPEC *spec )
}
/*******************************************************************
* has_stubs
*
* Check if the spec file exports any stubs
*/
int has_stubs( const DLLSPEC *spec )
{
int i;
for (i = 0; i < spec->nb_entry_points; i++)
{
ORDDEF *odp = &spec->entry_points[i];
if (odp->type == TYPE_STUB) return 1;
}
return 0;
}
/*******************************************************************
* make_c_identifier
*