File: attr-nocf-check-3.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (30 lines) | stat: -rw-r--r-- 784 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
/* { dg-do compile } */
/* { dg-additional-options "-fcf-protection=none" } */

int  foo (void) __attribute__ ((nocf_check)); /* { dg-warning "'nocf_check' attribute ignored" } */
void (*foo1) (void) __attribute__((nocf_check)); /* { dg-warning "'nocf_check' attribute ignored" } */
void (*foo2) (void);

int
foo (void) /* The function's address is not tracked.  */
{
  /* This call site is not tracked for
     control-flow instrumentation.  */
  (*foo1)();

  foo1 = foo2;
  /* This call site is still not tracked for
     control-flow instrumentation.  */
  (*foo1)();

  /* This call site is tracked for
     control-flow instrumentation.  */
  (*foo2)();

  foo2 = foo1;
  /* This call site is still tracked for
     control-flow instrumentation.  */
  (*foo2)();

  return 0;
}