43 lines · c
1// RUN: %clang_cc1 -triple aarch64-linux-gnu -mbranch-target-enforce -msign-return-address=all -emit-llvm %s -o - | FileCheck --check-prefixes=CHECK,BTI-SIGNRA %s2// RUN: %clang_cc1 -triple arm64-apple-ios -mbranch-target-enforce -msign-return-address=all -emit-llvm %s -o - | FileCheck --check-prefixes=CHECK,BTI-SIGNRA %s3// RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-calls -fptrauth-returns -fptrauth-auth-traps -emit-llvm %s -o - | FileCheck --check-prefixes=CHECK,PAUTHTEST %s4// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fptrauth-returns -fptrauth-auth-traps -emit-llvm %s -o - | FileCheck --check-prefixes=CHECK,PAUTHTEST %s5 6// Check that both multi-versioned functions themselves and corresponding7// resolvers generated by Clang have the correct PAC/BTI attributes.8 9int __attribute__((target_clones("crc", "default"))) global_target_clones(void) { return 0; }10 11int __attribute__((target_version("crc"))) global_target_version(void) { return 0; }12int __attribute__((target_version("default"))) global_target_version(void) { return 0; }13 14static int __attribute__((target_clones("crc", "default"))) static_target_clones(void) { return 0; }15 16static int __attribute__((target_version("crc"))) static_target_version(void) { return 0; }17static int __attribute__((target_version("default"))) static_target_version(void) { return 0; }18 19// Force emission of static_* functions.20void *get_ptr1(void) { return static_target_clones; }21void *get_ptr2(void) { return static_target_version; }22 23// CHECK-DAG: define{{( dso_local)?}} i32 @global_target_clones._Mcrc() #[[ATTR_CRC:[0-9]+]]24// CHECK-DAG: define{{( dso_local)?}} i32 @global_target_clones.default() #[[ATTR_DEFAULT:[0-9]+]]25// CHECK-DAG: define weak_odr ptr @global_target_clones.resolver() #[[ATTR_RESOLVER:[0-9]+]]26// CHECK-DAG: define{{( dso_local)?}} i32 @global_target_version._Mcrc() #[[ATTR_CRC]]27// CHECK-DAG: define{{( dso_local)?}} i32 @global_target_version.default() #[[ATTR_DEFAULT]]28// CHECK-DAG: define weak_odr ptr @global_target_version.resolver() #[[ATTR_RESOLVER]]29 30// CHECK-DAG: define internal i32 @static_target_clones._Mcrc() #[[ATTR_CRC:[0-9]+]]31// CHECK-DAG: define internal i32 @static_target_clones.default() #[[ATTR_DEFAULT:[0-9]+]]32// CHECK-DAG: define internal ptr @static_target_clones.resolver() #[[ATTR_RESOLVER:[0-9]+]]33// CHECK-DAG: define internal i32 @static_target_version._Mcrc() #[[ATTR_CRC]]34// CHECK-DAG: define internal i32 @static_target_version.default() #[[ATTR_DEFAULT]]35// CHECK-DAG: define internal ptr @static_target_version.resolver() #[[ATTR_RESOLVER]]36 37// BTI-SIGNRA-DAG: attributes #[[ATTR_CRC]] = { {{.*}}"branch-target-enforcement" {{.*}}"sign-return-address"="all" "sign-return-address-key"="a_key"{{.*}} }38// BTI-SIGNRA-DAG: attributes #[[ATTR_RESOLVER]] = { {{.*}}"branch-target-enforcement" {{.*}}"sign-return-address"="all" "sign-return-address-key"="a_key"{{.*}} }39// BTI-SIGNRA-DAG: attributes #[[ATTR_DEFAULT]] = { {{.*}}"branch-target-enforcement" {{.*}}"sign-return-address"="all" "sign-return-address-key"="a_key"{{.*}} }40// PAUTHTEST-DAG: attributes #[[ATTR_CRC]] = { {{.*}}"ptrauth-auth-traps" "ptrauth-calls" "ptrauth-returns"{{.*}} }41// PAUTHTEST-DAG: attributes #[[ATTR_RESOLVER]] = { {{.*}}"ptrauth-auth-traps" "ptrauth-calls" "ptrauth-returns"{{.*}} }42// PAUTHTEST-DAG: attributes #[[ATTR_DEFAULT]] = { {{.*}}"ptrauth-auth-traps" "ptrauth-calls" "ptrauth-returns"{{.*}} }43