/*-
* 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.
*/
/*
* 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);