powerpc/ptrace/ptrace-syscall.c

1 // SPDX-License-Identifier: GPL-2.0
3  * A ptrace test for testing PTRACE_SYSEMU, PTRACE_SETREGS and
7  * This test is heavily based on tools/testing/selftests/x86/ptrace_syscall.c
9  * Breno Leitao <leitao@debian.org>
27 /* Bitness-agnostic defines for user_regs_struct fields. */
59 	printf("[RUN]\tptrace-induced syscall restart\n");  in test_ptrace_syscall_restart()
70 	 * 3) tgkill() -> Send SIGSTOP  in test_ptrace_syscall_restart()
71 	 * 4) gettid() -> Where the tests will happen essentially  in test_ptrace_syscall_restart()
126 	regs.user_ip -= 4;  in test_ptrace_syscall_restart()
159 	 * syscall (gettid), rewind and re-execute.  in test_ptrace_syscall_restart()
168 	regs.user_ip -= 4;  in test_ptrace_syscall_restart()