File: patchable-function-entry-no-flag.rs

package info (click to toggle)
rustc-web 1.85.0%2Bdfsg3-1~deb12u3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,759,988 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,056; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (39 lines) | stat: -rw-r--r-- 1,331 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
31
32
33
34
35
36
37
38
39
#![feature(patchable_function_entry)]
#![crate_type = "lib"]

// No patchable function entry should be set
#[no_mangle]
pub fn fun0() {}

// The attribute should work even without compiler flags
#[no_mangle]
#[patchable_function_entry(prefix_nops = 1, entry_nops = 2)]
pub fn fun1() {}

// The attribute should work even without compiler flags
// and only set patchable-function-entry to 3.
#[no_mangle]
#[patchable_function_entry(entry_nops = 3)]
pub fn fun2() {}

// The attribute should work even without compiler flags
// and only set patchable-function-prefix to 4.
#[no_mangle]
#[patchable_function_entry(prefix_nops = 4)]
pub fn fun3() {}

// CHECK: @fun0() unnamed_addr #0
// CHECK: @fun1() unnamed_addr #1
// CHECK: @fun2() unnamed_addr #2
// CHECK: @fun3() unnamed_addr #3

// CHECK-NOT: attributes #0 = { {{.*}}patchable-function-entry{{.*}} }
// CHECK-NOT: attributes #0 = { {{.*}}patchable-function-prefix{{.*}} }

// CHECK: attributes #1 = { {{.*}}"patchable-function-entry"="2"{{.*}}"patchable-function-prefix"="1" {{.*}} }

// CHECK: attributes #2 = { {{.*}}"patchable-function-entry"="3"{{.*}} }
// CHECK-NOT: attributes #2 = { {{.*}}patchable-function-prefix{{.*}} }

// CHECK: attributes #3 = { {{.*}}"patchable-function-prefix"="4"{{.*}} }
// CHECK-NOT: attributes #3 = { {{.*}}patchable-function-entry{{.*}} }