File: stack-clash-protection-02.c

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-20
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,909,296 kB
  • sloc: cpp: 6,667,975; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,992; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (13 lines) | stat: -rw-r--r-- 511 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
 
// RUN: %clang -target s390x-linux-gnu -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SystemZ
// SystemZ: "-fstack-clash-protection"
// RUN: %clang -target s390x-linux-gnu -fstack-clash-protection -S -emit-llvm -o %t.ll %s 2>&1 | FileCheck %s -check-prefix=SystemZ-warn
// SystemZ-warn: warning: unable to protect inline asm that clobbers stack pointer against stack clash

int foo(int c) {
  int r;
  __asm__("ag %%r15, %0"
          :
          : "rm"(c)
          : "r15");
  return r;
}