diff options
Diffstat (limited to 'kernel/arch/x86_64/execregs.h')
| -rw-r--r-- | kernel/arch/x86_64/execregs.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/kernel/arch/x86_64/execregs.h b/kernel/arch/x86_64/execregs.h new file mode 100644 index 000000000000..904991777483 --- /dev/null +++ b/kernel/arch/x86_64/execregs.h @@ -0,0 +1,81 @@ +/* $NetBSD: execregs.h,v 1.1 2025/02/27 00:55:32 riastradh Exp $ */ + +/*- + * Copyright (c) 2025 The NetBSD Foundation, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef TESTS_KERNEL_ARCH_X86_64_EXECREGS_H +#define TESTS_KERNEL_ARCH_X86_64_EXECREGS_H + +#include <sys/cdefs.h> + +#define NEXECREGS 14 + +#ifndef _LOCORE + +#include <unistd.h> + +/* + * Ordered by _FRAME_REG in sys/arch/amd64/include/frame_regs.h for + * convenience of auditing. Must match h_execregs.S. + */ +static const char *const regname[] = { + "rdi", + "rsi", + "rdx", + "r10", + "r8", + "r9", + /* arg6: syscall arg from stack, not a real register */ + /* arg7: syscall arg from stack, not a real register */ + /* arg8: syscall arg from stack, not a real register */ + /* arg9: syscall arg from stack, not a real register */ + "rcx", + "r11", + "r12", + "r13", + "r14", + "r15", + "rbp", + /* rbx: ps_strings */ + "rax", + /* gs/fs/es/ds: segment registers, not really registers */ + /* trapno: not a register */ + /* err: not a register */ + /* rip: instruction pointer */ + /* cs: segment register */ + /* rflags */ + /* rsp: stack pointer */ + /* ss: stack selector */ +}; + +__CTASSERT(NEXECREGS == __arraycount(regname)); + +int execregschild(char *); +pid_t spawnregschild(char *, int); + +#endif /* _LOCORE */ + +#endif /* TESTS_KERNEL_ARCH_X86_64_EXECREGS_H */ |