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| author | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2020-10-19 03:37:33 +0200 |
|---|---|---|
| committer | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2020-10-19 03:37:33 +0200 |
| commit | efa1869dd78b2a4f7cef19e52a586a0b2bc2b0fb (patch) | |
| tree | 90716dbb742c65efd7b4032dee174af020912be0 | |
| parent | 6746138ae86af0e850fd155b43a8a0b9c398d907 (diff) | |
| parent | e5fcbcae746e3956c24a5a4e87853a1d6ae75d27 (diff) | |
| download | sparse-efa1869dd78b2a4f7cef19e52a586a0b2bc2b0fb.tar.gz | |
Merge branch 'warn-address-builtin' into next
| -rw-r--r-- | evaluate.c | 4 | ||||
| -rw-r--r-- | validation/builtin-arith.c | 25 |
2 files changed, 19 insertions, 10 deletions
@@ -1787,6 +1787,8 @@ static struct symbol *degenerate(struct expression *expr) expression_error(expr, "strange non-value function or array"); return &bad_ctype; } + if (ctype->builtin) + sparse_error(expr->pos, "taking the address of built-in function '%s'", show_ident(ctype->ident)); *expr = *expr->unop; ctype = create_pointer(expr, ctype, 1); expr->ctype = ctype; @@ -1807,6 +1809,8 @@ static struct symbol *evaluate_addressof(struct expression *expr) return NULL; } ctype = op->ctype; + if (ctype->builtin) + sparse_error(expr->pos, "taking the address of built-in function '%s'", show_ident(ctype->ident)); *expr = *op->unop; mark_addressable(expr); diff --git a/validation/builtin-arith.c b/validation/builtin-arith.c index 7aabbcb1..3ce59304 100644 --- a/validation/builtin-arith.c +++ b/validation/builtin-arith.c @@ -31,22 +31,27 @@ void test(void (*fun)(void)) /* * check-name: builtin arithmetic * check-command: sparse -Wno-decl $file - * check-known-to-fail * * check-error-start -builtin-arith.c:10:xx: error: ... -builtin-arith.c:11:xx: error: ... +builtin-arith.c:10:14: error: taking the address of built-in function '__builtin_trap' +builtin-arith.c:11:13: error: taking the address of built-in function '__builtin_trap' +builtin-arith.c:12:14: error: taking the address of built-in function '__builtin_trap' +builtin-arith.c:13:14: error: taking the address of built-in function '__builtin_trap' builtin-arith.c:13:29: error: arithmetics on pointers to functions +builtin-arith.c:14:14: error: taking the address of built-in function '__builtin_trap' builtin-arith.c:14:29: error: arithmetics on pointers to functions +builtin-arith.c:15:14: error: taking the address of built-in function '__builtin_trap' builtin-arith.c:15:29: error: arithmetics on pointers to functions -builtin-arith.c:18:xx: error: ... -builtin-arith.c:19:xx: error: ... -builtin-arith.c:21:xx: error: ... -builtin-arith.c:22:xx: error: ... -builtin-arith.c:23:xx: error: ... -builtin-arith.c:24:xx: error: ... -builtin-arith.c:25:xx: error: ... +builtin-arith.c:18:21: error: taking the address of built-in function '__builtin_trap' +builtin-arith.c:19:29: error: taking the address of built-in function '__builtin_trap' +builtin-arith.c:21:14: error: taking the address of built-in function '__builtin_trap' +builtin-arith.c:22:14: error: taking the address of built-in function '__builtin_trap' +builtin-arith.c:23:14: error: taking the address of built-in function '__builtin_trap' +builtin-arith.c:24:21: error: taking the address of built-in function '__builtin_trap' +builtin-arith.c:25:21: error: taking the address of built-in function '__builtin_trap' +builtin-arith.c:27:9: error: taking the address of built-in function '__builtin_trap' builtin-arith.c:27:24: error: subtraction of functions? Share your drugs +builtin-arith.c:28:15: error: taking the address of built-in function '__builtin_trap' builtin-arith.c:28:13: error: subtraction of functions? Share your drugs * check-error-end */ |