File: main.c

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (22 lines) | stat: -rw-r--r-- 548 bytes parent folder | download | duplicates (19) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
#include <asm/hwcap.h>
#include <asm/mman.h>
#include <sys/auxv.h>
#include <sys/mman.h>
#include <sys/prctl.h>
#include <unistd.h>

int main(int argc, char const *argv[]) {
  if (!(getauxval(AT_HWCAP2) & HWCAP2_MTE))
    return 1;

  int got = prctl(PR_SET_TAGGED_ADDR_CTRL, PR_TAGGED_ADDR_ENABLE, 0, 0, 0);
  if (got)
    return 1;

  void *the_page = mmap(0, sysconf(_SC_PAGESIZE), PROT_MTE,
                        MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
  if (the_page == MAP_FAILED)
    return 1;

  return 0; // Set break point at this line.
}