Viewing file:  setjmp-5.c (1.85 KB) -rw-r--r--
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/* { dg-additional-options "-fdiagnostics-show-line-numbers -fdiagnostics-path-format=inline-events -fdiagnostics-show-caret" } */
/* { dg-enable-nn-line-numbers "" } */
/* { dg-require-effective-target indirect_jumps } */
#include "test-setjmp.h"
#include <stddef.h>
#include "analyzer-decls.h"
static jmp_buf env;
static void inner (void)
{
SETJMP (env);
}
void outer (void)
{
int i;
inner ();
longjmp (env, 42); /* { dg-warning "'longjmp' called after enclosing function of 'setjmp' has returned" } */
}
/* { dg-begin-multiline-output "" }
NN | longjmp (env, 42);
| ^~~~~~~~~~~~~~~~~
'outer': events 1-2
|
| NN | void outer (void)
| | ^~~~~
| | |
| | (1) entry to 'outer'
|......
| NN | inner ();
| | ~~~~~~~~
| | |
| | (2) calling 'inner' from 'outer'
|
+--> 'inner': event 3
|
| NN | static void inner (void)
| | ^~~~~
| | |
| | (3) entry to 'inner'
|
'inner': event 4
|
| NN | SETJMP (env);
| | ^~~~~~
| | |
| | (4) 'setjmp' called here
|
'inner': event 5
|
| NN | }
| | ^
| | |
| | (5) stack frame is popped here, invalidating saved environment
|
<------+
|
'outer': events 6-7
|
| NN | inner ();
| | ^~~~~~~~
| | |
| | (6) returning to 'outer' from 'inner'
| NN |
| NN | longjmp (env, 42);
| | ~~~~~~~~~~~~~~~~~
| | |
| | (7) 'longjmp' called after enclosing function of 'setjmp' returned at (5)
|
{ dg-end-multiline-output "" } */
|
