| // RUN: %clang_cc1 -triple x86_64-linux -fsanitize=address -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,ASAN |
| // RUN: %clang_cc1 -triple x86_64-linux -O2 -fsanitize=address -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,ASAN |
| // RUN: %clang_cc1 -triple x86_64-linux -fsanitize=kernel-address -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,KASAN |
| // RUN: %clang_cc1 -triple x86_64-linux -O2 -fsanitize=kernel-address -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,KASAN |
| // |
| // Not all platforms support aliases - test for Linux only. |
| |
| int global; // generate ctor for at least 1 global |
| int aliased_global; // KASAN ignored |
| extern int __attribute__((alias("aliased_global"))) __global_alias; |
| |
| // Recursive alias: |
| int aliased_global_2; // KASAN ignored |
| extern int __attribute__((alias("aliased_global_2"))) global_alias_2; |
| extern int __attribute__((alias("global_alias_2"))) __global_alias_2_alias; |
| |
| // Potential indirect alias: |
| struct input_device_id { |
| unsigned long keybit[24]; |
| unsigned long driver_info; |
| }; |
| struct input_device_id joydev_ids[] = { { {1}, 1234 } }; // KASAN ignored |
| extern struct input_device_id __attribute__((alias("joydev_ids"))) __mod_joydev_ids_device_table; |
| |
| // ASAN: @aliased_global{{.*}} global { i32, [28 x i8] }{{.*}}, align 32 |
| // ASAN: @aliased_global_2{{.*}} global { i32, [28 x i8] }{{.*}}, align 32 |
| // ASAN: @joydev_ids{{.*}} global { {{.*}}[56 x i8] zeroinitializer }, align 32 |
| // KASAN: @aliased_global{{.*}} global i32 |
| // KASAN: @aliased_global_2{{.*}} global i32 |
| // KASAN: @joydev_ids{{.*}} global [1 x {{.*}}i64 1234 }], align 16 |
| |
| // Check the aliases exist: |
| // CHECK: @__global_alias ={{.*}} alias |
| // CHECK: @global_alias_2 ={{.*}} alias |
| // CHECK: @__global_alias_2_alias ={{.*}} alias |
| // CHECK: @__mod_joydev_ids_device_table ={{.*}} alias |
| |
| // CHECK-LABEL: define internal void @asan.module_ctor |
| // ASAN: call void @__asan_register_globals({{.*}}, i{{32|64}} 4) |
| // KASAN: call void @__asan_register_globals({{.*}}, i{{32|64}} 1) |
| // CHECK-NEXT: ret void |
| |
| // CHECK-LABEL: define internal void @asan.module_dtor |
| // CHECK-NEXT: call void @__asan_unregister_globals |
| // CHECK-NEXT: ret void |
