| 1 | #include "cparse.h" |
| 2 | |
| 3 | static void fn(const char *s, |
| 4 | struct declaration_specifiers *ds) { |
| 5 | struct declarator *decl; |
| 6 | |
| 7 | NEW(decl); |
| 8 | decl->name = xstrdup(s); |
| 9 | NEW(decl->declarator_type); |
| 10 | decl->declarator_type->type = dt_old_function; |
| 11 | decl->declaration_specifiers = ds; |
| 12 | add_declaration(decl); |
| 13 | } |
| 14 | |
| 15 | static void ptrfn(const char *s, |
| 16 | struct declaration_specifiers *ds) { |
| 17 | struct declarator *decl; |
| 18 | |
| 19 | NEW(decl); |
| 20 | decl->name = xstrdup(s); |
| 21 | NEW(decl->declarator_type); |
| 22 | decl->declarator_type->type = dt_old_function; |
| 23 | NEW(decl->declarator_type->next); |
| 24 | decl->declarator_type->next->type = dt_pointer; |
| 25 | decl->declaration_specifiers = ds; |
| 26 | add_declaration(decl); |
| 27 | } |
| 28 | |
| 29 | |
| 30 | void gcc_extensions(void) { |
| 31 | struct declaration_specifiers *ds_void, *ds_int; |
| 32 | |
| 33 | NEW(ds_void); |
| 34 | ds_void->type_specifiers = TS_VOID; |
| 35 | NEW(ds_int); |
| 36 | ds_void->type_specifiers = TS_INT; |
| 37 | |
| 38 | fn("__builtin_stdarg_start", ds_void); |
| 39 | fn("__builtin_va_start", ds_void); |
| 40 | fn("__builtin_va_end", ds_void); |
| 41 | fn("__builtin_va_copy", ds_void); |
| 42 | ptrfn("__builtin_memcpy", ds_void); |
| 43 | ptrfn("__builtin_alloca", ds_void); |
| 44 | ptrfn("__builtin_next_arg", ds_void); |
| 45 | fn("__builtin_constant_p", ds_int); |
| 46 | } |
| 47 | |
| 48 | /* |
| 49 | Local Variables: |
| 50 | c-basic-offset:2 |
| 51 | comment-column:40 |
| 52 | End: |
| 53 | */ |