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execregs.h revision 1.1 
      1 /*	$NetBSD: execregs.h,v 1.1 2025/02/27 00:55:32 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2025 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef	TESTS_KERNEL_ARCH_I386_EXECREGS_H
     30 #define	TESTS_KERNEL_ARCH_I386_EXECREGS_H
     31 
     32 #include <sys/cdefs.h>
     33 
     34 #define	NEXECREGS	6
     35 
     36 #ifndef _LOCORE
     37 
     38 #include <unistd.h>
     39 
     40 /*
     41  * Ordered by struct trapframe in sys/arch/i386/include/frame.h for
     42  * convenience of auditing.  Must match h_execregs.S.
     43  */
     44 static const char *const regname[] = {
     45 	/* gs/fs/es/ds: segment registers, not really registers */
     46 	"edi",
     47 	"esi",
     48 	"ebp",
     49 	/* ebx: ps_strings */
     50 	"edx",
     51 	"ecx",
     52 	"eax",
     53 	/* trapno: not a register */
     54 	/* err: not a register */
     55 	/* eip: instruction pointer */
     56 	/* cs: segment register */
     57 	/* eflags */
     58 	/* esp: stack pointer */
     59 	/* ss: stack selector */
     60 };
     61 
     62 __CTASSERT(NEXECREGS == __arraycount(regname));
     63 
     64 int	execregschild(char *);
     65 pid_t	spawnregschild(char *, int);
     66 
     67 #endif	/* _LOCORE */
     68 
     69 #endif	/* TESTS_KERNEL_ARCH_I386_EXECREGS_H */
     70