File: arm-branch-protection-default-arch.c

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-16
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,368 kB
  • sloc: cpp: 5,593,980; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (27 lines) | stat: -rw-r--r-- 1,525 bytes parent folder | download | duplicates (16)
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
// REQUIRES: arm-registered-target

/// Check warning for
// RUN: %clang -target arm-arm-none-eabi %s -S -o - 2>&1 | FileCheck %s

__attribute__((target("branch-protection=bti"))) void f1() {}
__attribute__((target("branch-protection=pac-ret"))) void f2() {}
__attribute__((target("branch-protection=bti+pac-ret"))) void f3() {}
__attribute__((target("branch-protection=bti+pac-ret+leaf"))) void f4() {}

// CHECK: warning: unsupported 'branch-protection' in the 'target' attribute string; 'target' attribute ignored [-Wignored-attributes]
// CHECK-NEXT: __attribute__((target("branch-protection=bti"))) void f1() {}

// CHECK: warning: unsupported 'branch-protection' in the 'target' attribute string; 'target' attribute ignored [-Wignored-attributes]
// CHECK-NEXT: __attribute__((target("branch-protection=pac-ret"))) void f2() {}

// CHECK: warning: unsupported 'branch-protection' in the 'target' attribute string; 'target' attribute ignored [-Wignored-attributes]
// CHECK-NEXT: __attribute__((target("branch-protection=bti+pac-ret"))) void f3() {}

// CHECK: warning: unsupported 'branch-protection' in the 'target' attribute string; 'target' attribute ignored [-Wignored-attributes]
// CHECK-NEXT: __attribute__((target("branch-protection=bti+pac-ret+leaf"))) void f4() {}

/// Check there are no branch protection function attributes

// CHECK-NOT:  attributes { {{.*}} "sign-return-address"
// CHECK-NOT:  attributes { {{.*}} "sign-return-address-key"
// CHECK-NOT:  attributes { {{.*}} "branch-target-enforcement"