From f5e9039d071434522e1a0347230645f20b8dbb15 Mon Sep 17 00:00:00 2001 From: Florian Mayer Date: Tue, 25 Nov 2025 14:54:10 -0800 Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?= =?UTF-8?q?l=20version?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Created using spr 1.3.7 --- .../CodeGen/cfi-icall-trap-recover-runtime.c | 73 +++++++++++++++++++ .../cfi-vcall-trap-recover-runtime.cpp | 51 +++++++++++++ 2 files changed, 124 insertions(+) diff --git a/clang/test/CodeGen/cfi-icall-trap-recover-runtime.c b/clang/test/CodeGen/cfi-icall-trap-recover-runtime.c index 117672a9d4368..1fb8d489e4a3b 100644 --- a/clang/test/CodeGen/cfi-icall-trap-recover-runtime.c +++ b/clang/test/CodeGen/cfi-icall-trap-recover-runtime.c @@ -9,6 +9,13 @@ // RUN: %clang_cc1 -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fsanitize-recover=cfi-icall -fsanitize-minimal-runtime -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=RECOVER_MIN %s +// RUN: %clang_cc1 -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fsanitize-recover=cfi-icall -fsanitize-minimal-runtime -fsanitize-handler-preserve-all-regs -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=PRESERVE_MIN %s + +// RUN: %clang_cc1 -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fsanitize-recover=cfi-icall -fsanitize-minimal-runtime -fsanitize-handler-preserve-all-regs -flto -fvisibility=hidden -triple riscv64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=RECOVER_MIN_I386 %s + +// RUN: %clang_cc1 -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fsanitize-minimal-runtime -fsanitize-handler-preserve-all-regs -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=ABORT_MIN %s + + // TRAP-LABEL: define hidden void @f( // TRAP-SAME: ) #[[ATTR0:[0-9]+]] !type [[META6:![0-9]+]] !type [[META7:![0-9]+]] { // TRAP-NEXT: [[ENTRY:.*:]] @@ -34,6 +41,16 @@ // RECOVER_MIN-NEXT: [[ENTRY:.*:]] // RECOVER_MIN-NEXT: ret void // +// PRESERVE_MIN-LABEL: define hidden void @f( +// PRESERVE_MIN-SAME: ) #[[ATTR0:[0-9]+]] !type [[META6:![0-9]+]] !type [[META7:![0-9]+]] { +// PRESERVE_MIN-NEXT: [[ENTRY:.*:]] +// PRESERVE_MIN-NEXT: ret void +// +// RECOVER_MIN_I386-LABEL: define hidden void @f( +// RECOVER_MIN_I386-SAME: ) #[[ATTR0:[0-9]+]] !type [[META10:![0-9]+]] !type [[META11:![0-9]+]] { +// RECOVER_MIN_I386-NEXT: [[ENTRY:.*:]] +// RECOVER_MIN_I386-NEXT: ret void +// void f() { } @@ -146,6 +163,48 @@ void xf(); // RECOVER_MIN-NEXT: call void (...) [[TMP2]]() // RECOVER_MIN-NEXT: ret void // +// PRESERVE_MIN-LABEL: define hidden void @g( +// PRESERVE_MIN-SAME: i32 noundef [[B:%.*]]) #[[ATTR0]] !type [[META8:![0-9]+]] !type [[META9:![0-9]+]] { +// PRESERVE_MIN-NEXT: [[ENTRY:.*:]] +// PRESERVE_MIN-NEXT: [[B_ADDR:%.*]] = alloca i32, align 4 +// PRESERVE_MIN-NEXT: [[FP:%.*]] = alloca ptr, align 8 +// PRESERVE_MIN-NEXT: store i32 [[B]], ptr [[B_ADDR]], align 4 +// PRESERVE_MIN-NEXT: [[TMP0:%.*]] = load i32, ptr [[B_ADDR]], align 4 +// PRESERVE_MIN-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0 +// PRESERVE_MIN-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i64 +// PRESERVE_MIN-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], ptr @f, ptr @xf +// PRESERVE_MIN-NEXT: store ptr [[COND]], ptr [[FP]], align 8 +// PRESERVE_MIN-NEXT: [[TMP2:%.*]] = load ptr, ptr [[FP]], align 8 +// PRESERVE_MIN-NEXT: [[TMP3:%.*]] = call i1 @llvm.type.test(ptr [[TMP2]], metadata !"_ZTSFvE"), !nosanitize [[META10:![0-9]+]] +// PRESERVE_MIN-NEXT: br i1 [[TMP3]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF11:![0-9]+]], !nosanitize [[META10]] +// PRESERVE_MIN: [[HANDLER_CFI_CHECK_FAIL]]: +// PRESERVE_MIN-NEXT: call void @__ubsan_handle_cfi_check_fail_minimal() #[[ATTR4:[0-9]+]], !nosanitize [[META10]] +// PRESERVE_MIN-NEXT: br label %[[CONT]], !nosanitize [[META10]] +// PRESERVE_MIN: [[CONT]]: +// PRESERVE_MIN-NEXT: call void (...) [[TMP2]]() +// PRESERVE_MIN-NEXT: ret void +// +// RECOVER_MIN_I386-LABEL: define hidden void @g( +// RECOVER_MIN_I386-SAME: i32 noundef signext [[B:%.*]]) #[[ATTR0]] !type [[META12:![0-9]+]] !type [[META13:![0-9]+]] { +// RECOVER_MIN_I386-NEXT: [[ENTRY:.*:]] +// RECOVER_MIN_I386-NEXT: [[B_ADDR:%.*]] = alloca i32, align 4 +// RECOVER_MIN_I386-NEXT: [[FP:%.*]] = alloca ptr, align 8 +// RECOVER_MIN_I386-NEXT: store i32 [[B]], ptr [[B_ADDR]], align 4 +// RECOVER_MIN_I386-NEXT: [[TMP0:%.*]] = load i32, ptr [[B_ADDR]], align 4 +// RECOVER_MIN_I386-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0 +// RECOVER_MIN_I386-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i64 +// RECOVER_MIN_I386-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], ptr @f, ptr @xf +// RECOVER_MIN_I386-NEXT: store ptr [[COND]], ptr [[FP]], align 8 +// RECOVER_MIN_I386-NEXT: [[TMP2:%.*]] = load ptr, ptr [[FP]], align 8 +// RECOVER_MIN_I386-NEXT: [[TMP3:%.*]] = call i1 @llvm.type.test(ptr [[TMP2]], metadata !"_ZTSFvE"), !nosanitize [[META14:![0-9]+]] +// RECOVER_MIN_I386-NEXT: br i1 [[TMP3]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF15:![0-9]+]], !nosanitize [[META14]] +// RECOVER_MIN_I386: [[HANDLER_CFI_CHECK_FAIL]]: +// RECOVER_MIN_I386-NEXT: call void @__ubsan_handle_cfi_check_fail_minimal() #[[ATTR4:[0-9]+]], !nosanitize [[META14]] +// RECOVER_MIN_I386-NEXT: br label %[[CONT]], !nosanitize [[META14]] +// RECOVER_MIN_I386: [[CONT]]: +// RECOVER_MIN_I386-NEXT: call void [[TMP2]]() +// RECOVER_MIN_I386-NEXT: ret void +// void g(int b) { void (*fp)() = b ? f : xf; fp(); @@ -186,3 +245,17 @@ void g(int b) { // RECOVER_MIN: [[META10]] = !{} // RECOVER_MIN: [[PROF11]] = !{!"branch_weights", i32 1048575, i32 1} //. +// PRESERVE_MIN: [[META6]] = !{i64 0, !"_ZTSFvE"} +// PRESERVE_MIN: [[META7]] = !{i64 0, !"_ZTSFvE.generalized"} +// PRESERVE_MIN: [[META8]] = !{i64 0, !"_ZTSFviE"} +// PRESERVE_MIN: [[META9]] = !{i64 0, !"_ZTSFviE.generalized"} +// PRESERVE_MIN: [[META10]] = !{} +// PRESERVE_MIN: [[PROF11]] = !{!"branch_weights", i32 1048575, i32 1} +//. +// RECOVER_MIN_I386: [[META10]] = !{i64 0, !"_ZTSFvE"} +// RECOVER_MIN_I386: [[META11]] = !{i64 0, !"_ZTSFvE.generalized"} +// RECOVER_MIN_I386: [[META12]] = !{i64 0, !"_ZTSFviE"} +// RECOVER_MIN_I386: [[META13]] = !{i64 0, !"_ZTSFviE.generalized"} +// RECOVER_MIN_I386: [[META14]] = !{} +// RECOVER_MIN_I386: [[PROF15]] = !{!"branch_weights", i32 1048575, i32 1} +//. diff --git a/clang/test/CodeGenCXX/cfi-vcall-trap-recover-runtime.cpp b/clang/test/CodeGenCXX/cfi-vcall-trap-recover-runtime.cpp index 3e9328ac0e3ca..f6d9e6f6dd079 100644 --- a/clang/test/CodeGenCXX/cfi-vcall-trap-recover-runtime.cpp +++ b/clang/test/CodeGenCXX/cfi-vcall-trap-recover-runtime.cpp @@ -9,6 +9,13 @@ // RUN: %clang_cc1 -fsanitize=cfi-vcall -fno-sanitize-trap=cfi-vcall -fsanitize-recover=cfi-vcall -fsanitize-minimal-runtime -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=RECOVER_MIN %s +// RUN: %clang_cc1 -fsanitize=cfi-vcall -fno-sanitize-trap=cfi-vcall -fsanitize-recover=cfi-vcall -fsanitize-minimal-runtime -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -fsanitize-handler-preserve-all-regs -emit-llvm -o - %s | FileCheck --check-prefix=PRESERVE_MIN %s + +// RUN: %clang_cc1 -fsanitize=cfi-vcall -fno-sanitize-trap=cfi-vcall -fsanitize-recover=cfi-vcall -fsanitize-minimal-runtime -flto -fvisibility=hidden -triple i386-unknown-linux -fwhole-program-vtables -fsanitize-handler-preserve-all-regs -emit-llvm -o - %s | FileCheck --check-prefix=RECOVER_MIN_I386 %s + +// RUN: %clang_cc1 -fsanitize=cfi-vcall -fno-sanitize-trap=cfi-vcall -fsanitize-minimal-runtime -flto -fvisibility=hidden -triple x86_64-unknown-linux -fwhole-program-vtables -fsanitize-handler-preserve-all-regs -emit-llvm -o - %s | FileCheck --check-prefix=ABORT_MIN %s + + struct S1 { virtual void f(); }; @@ -111,6 +118,44 @@ struct S1 { // RECOVER_MIN-NEXT: call void [[TMP3]](ptr noundef nonnull align 8 dereferenceable(8) [[TMP0]]) // RECOVER_MIN-NEXT: ret void // +// PRESERVE_MIN-LABEL: define hidden void @_Z3s1fP2S1( +// PRESERVE_MIN-SAME: ptr noundef [[S1:%.*]]) #[[ATTR0:[0-9]+]] { +// PRESERVE_MIN-NEXT: [[ENTRY:.*:]] +// PRESERVE_MIN-NEXT: [[S1_ADDR:%.*]] = alloca ptr, align 8 +// PRESERVE_MIN-NEXT: store ptr [[S1]], ptr [[S1_ADDR]], align 8 +// PRESERVE_MIN-NEXT: [[TMP0:%.*]] = load ptr, ptr [[S1_ADDR]], align 8 +// PRESERVE_MIN-NEXT: [[VTABLE:%.*]] = load ptr, ptr [[TMP0]], align 8 +// PRESERVE_MIN-NEXT: [[TMP1:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"_ZTS2S1"), !nosanitize [[META5:![0-9]+]] +// PRESERVE_MIN-NEXT: [[TMP2:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"all-vtables"), !nosanitize [[META5]] +// PRESERVE_MIN-NEXT: br i1 [[TMP1]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF6:![0-9]+]], !nosanitize [[META5]] +// PRESERVE_MIN: [[HANDLER_CFI_CHECK_FAIL]]: +// PRESERVE_MIN-NEXT: call void @__ubsan_handle_cfi_check_fail_minimal() #[[ATTR3:[0-9]+]], !nosanitize [[META5]] +// PRESERVE_MIN-NEXT: br label %[[CONT]], !nosanitize [[META5]] +// PRESERVE_MIN: [[CONT]]: +// PRESERVE_MIN-NEXT: [[VFN:%.*]] = getelementptr inbounds ptr, ptr [[VTABLE]], i64 0 +// PRESERVE_MIN-NEXT: [[TMP3:%.*]] = load ptr, ptr [[VFN]], align 8 +// PRESERVE_MIN-NEXT: call void [[TMP3]](ptr noundef nonnull align 8 dereferenceable(8) [[TMP0]]) +// PRESERVE_MIN-NEXT: ret void +// +// RECOVER_MIN_I386-LABEL: define hidden void @_Z3s1fP2S1( +// RECOVER_MIN_I386-SAME: ptr noundef [[S1:%.*]]) #[[ATTR0:[0-9]+]] { +// RECOVER_MIN_I386-NEXT: [[ENTRY:.*:]] +// RECOVER_MIN_I386-NEXT: [[S1_ADDR:%.*]] = alloca ptr, align 4 +// RECOVER_MIN_I386-NEXT: store ptr [[S1]], ptr [[S1_ADDR]], align 4 +// RECOVER_MIN_I386-NEXT: [[TMP0:%.*]] = load ptr, ptr [[S1_ADDR]], align 4 +// RECOVER_MIN_I386-NEXT: [[VTABLE:%.*]] = load ptr, ptr [[TMP0]], align 4 +// RECOVER_MIN_I386-NEXT: [[TMP1:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"_ZTS2S1"), !nosanitize [[META6:![0-9]+]] +// RECOVER_MIN_I386-NEXT: [[TMP2:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata !"all-vtables"), !nosanitize [[META6]] +// RECOVER_MIN_I386-NEXT: br i1 [[TMP1]], label %[[CONT:.*]], label %[[HANDLER_CFI_CHECK_FAIL:.*]], !prof [[PROF7:![0-9]+]], !nosanitize [[META6]] +// RECOVER_MIN_I386: [[HANDLER_CFI_CHECK_FAIL]]: +// RECOVER_MIN_I386-NEXT: call void @__ubsan_handle_cfi_check_fail_minimal() #[[ATTR3:[0-9]+]], !nosanitize [[META6]] +// RECOVER_MIN_I386-NEXT: br label %[[CONT]], !nosanitize [[META6]] +// RECOVER_MIN_I386: [[CONT]]: +// RECOVER_MIN_I386-NEXT: [[VFN:%.*]] = getelementptr inbounds ptr, ptr [[VTABLE]], i64 0 +// RECOVER_MIN_I386-NEXT: [[TMP3:%.*]] = load ptr, ptr [[VFN]], align 4 +// RECOVER_MIN_I386-NEXT: call void [[TMP3]](ptr noundef nonnull align 4 dereferenceable(4) [[TMP0]]) +// RECOVER_MIN_I386-NEXT: ret void +// void s1f(S1 *s1) { s1->f(); } @@ -130,3 +175,9 @@ void s1f(S1 *s1) { // RECOVER_MIN: [[META5]] = !{} // RECOVER_MIN: [[PROF6]] = !{!"branch_weights", i32 1048575, i32 1} //. +// PRESERVE_MIN: [[META5]] = !{} +// PRESERVE_MIN: [[PROF6]] = !{!"branch_weights", i32 1048575, i32 1} +//. +// RECOVER_MIN_I386: [[META6]] = !{} +// RECOVER_MIN_I386: [[PROF7]] = !{!"branch_weights", i32 1048575, i32 1} +//.