tools/testing/selftests/arm64/signal/testcases/mangle_pstate_invalid_mode_el3t.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/arm64/signal/testcases/mangle_pstate_invalid_mode_el3t.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/arm64/signal/testcases/mangle_pstate_invalid_mode_el3t.c
Extension
.c
Size
449 bytes
Lines
16
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2019 ARM Limited
 *
 * Try to mangle the ucontext from inside a signal handler, toggling
 * the mode bit to escalate exception level: this attempt must be spotted
 * by Kernel and the test case is expected to be termninated via SEGV.
 */

#include "test_signals_utils.h"
#include "testcases.h"

#include "mangle_pstate_invalid_mode_template.h"

DEFINE_TESTCASE_MANGLE_PSTATE_INVALID_MODE(3t);

Annotation

Implementation Notes