diff options
| -rw-r--r-- | tcc.h | 4 | ||||
| -rw-r--r-- | tccgen.c | 6 |
2 files changed, 9 insertions, 1 deletions
@@ -389,9 +389,10 @@ typedef struct AttributeDef { func_export : 1, func_import : 1, func_args : 5, + func_proto : 1, mode : 4, weak : 1, - fill : 11; + fill : 10; struct Section *section; int alias_target; /* token */ } AttributeDef; @@ -401,6 +402,7 @@ typedef struct AttributeDef { #define FUNC_EXPORT(r) (((AttributeDef*)&(r))->func_export) #define FUNC_IMPORT(r) (((AttributeDef*)&(r))->func_import) #define FUNC_ARGS(r) (((AttributeDef*)&(r))->func_args) +#define FUNC_PROTO(r) (((AttributeDef*)&(r))->func_proto) #define FUNC_ALIGN(r) (((AttributeDef*)&(r))->aligned) #define FUNC_PACKED(r) (((AttributeDef*)&(r))->packed) #define ATTR_MODE(r) (((AttributeDef*)&(r))->mode) @@ -5818,6 +5818,10 @@ static int decl0(int l, int is_for_loop_init) goto func_error1; r = sym->type.ref->r; + + if (!FUNC_PROTO(r)) + tcc_error("redefinition of '%s'", get_tok_str(v, NULL)); + /* use func_call from prototype if not defined */ if (FUNC_CALL(r) != FUNC_CDECL && FUNC_CALL(type.ref->r) == FUNC_CDECL) @@ -5836,6 +5840,7 @@ static int decl0(int l, int is_for_loop_init) tcc_error("incompatible types for redefinition of '%s'", get_tok_str(v, NULL)); } + FUNC_PROTO(type.ref->r) = 0; /* if symbol is already defined, then put complete type */ sym->type = type; } else { @@ -5901,6 +5906,7 @@ static int decl0(int l, int is_for_loop_init) if ((type.t & VT_BTYPE) == VT_FUNC) { /* external function definition */ /* specific case for func_call attribute */ + ad.func_proto = 1; type.ref->r = INT_ATTR(&ad); } else if (!(type.t & VT_ARRAY)) { /* not lvalue if array */ |