File: ptrauth-thunks.cpp

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 (28 lines) | stat: -rw-r--r-- 798 bytes parent folder | download 
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
 
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -emit-llvm -std=c++11 %s -o - | FileCheck %s

namespace Test1 {
  struct B1 {
    virtual void* foo1() {
      return 0;
    }
  };
  struct Pad1 {
    virtual ~Pad1() {}
  };
  struct Proxy1 : Pad1, B1 {
    virtual ~Proxy1() {}
  };
  struct D : virtual Proxy1 {
    virtual ~D() {}
    virtual void* foo1();
  };
  void* D::foo1() {
    return (void*)this;
  }
}

// CHECK-LABEL: define linkonce_odr void @_ZTv0_n24_N5Test11DD0Ev(ptr noundef %this){{.*}} align 2
// CHECK: %[[This:.*]] = load ptr
// CHECK: %[[SignedVTable:.*]] = load ptr, ptr %[[This]], align 8
// CHECK: %[[SignedVTableAsInt:.*]] = ptrtoint ptr %[[SignedVTable]] to i64
// CHECK: %[[VTable:.*]] = call i64 @llvm.ptrauth.auth(i64 %[[SignedVTableAsInt]], i32 2, i64 0)