140 lines
4.7 KiB
C
140 lines
4.7 KiB
C
/* $NetBSD: netbsd32_exec.h,v 1.37 2021/11/06 20:42:56 thorpej Exp $ */
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/*
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* Copyright (c) 1998, 2001 Matthew R. Green
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _NETBSD32_EXEC_H_
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#define _NETBSD32_EXEC_H_
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#include <compat/netbsd32/netbsd32.h>
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#ifdef EXEC_AOUT
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#include <sys/exec_aout.h>
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#endif
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/* from <sys/exec_aout.h> */
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/*
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* Header prepended to each a.out file.
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* only manipulate the a_midmag field via the
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* N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros below.
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*/
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struct netbsd32_exec {
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netbsd32_u_long a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */
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netbsd32_u_long a_text; /* text segment size */
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netbsd32_u_long a_data; /* initialized data size */
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netbsd32_u_long a_bss; /* uninitialized data size */
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netbsd32_u_long a_syms; /* symbol table size */
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netbsd32_u_long a_entry; /* entry point */
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netbsd32_u_long a_trsize; /* text relocation size */
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netbsd32_u_long a_drsize; /* data relocation size */
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};
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#ifdef EXEC_AOUT
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int netbsd32_exec_aout_prep_zmagic(struct lwp *, struct exec_package *);
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int netbsd32_exec_aout_prep_nmagic(struct lwp *, struct exec_package *);
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int netbsd32_exec_aout_prep_omagic(struct lwp *, struct exec_package *);
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int exec_netbsd32_makecmds(struct lwp *, struct exec_package *);
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#endif
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#ifdef EXEC_ELF32
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int netbsd32_elf32_probe(struct lwp *, struct exec_package *, void *,
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char *, vaddr_t *);
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int netbsd32_elf32_probe_noteless(struct lwp *, struct exec_package *,
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void *, char *, vaddr_t *);
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int netbsd32_elf32_copyargs(struct lwp *, struct exec_package *,
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struct ps_strings *, char **, void *);
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#endif /* EXEC_ELF32 */
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static __inline int netbsd32_copyargs(struct lwp *, struct exec_package *,
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struct ps_strings *, char **, void *);
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void netbsd32_setregs(struct lwp *, struct exec_package *, vaddr_t stack);
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int netbsd32_sigreturn(struct proc *, void *, register_t *);
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void netbsd32_sendsig(const ksiginfo_t *, const sigset_t *);
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void netbsd32_sendsig_siginfo(const ksiginfo_t *, const sigset_t *);
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extern char netbsd32_esigcode[], netbsd32_sigcode[];
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/*
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* We need to copy out all pointers as 32-bit values.
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*/
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static __inline int
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netbsd32_copyargs(struct lwp *l, struct exec_package *pack,
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struct ps_strings *arginfo, char **stackp, void *argp)
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{
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uint32_t *cpp = (uint32_t *)*stackp;
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netbsd32_pointer_t dp;
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uint32_t nullp = 0;
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char *sp;
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size_t len;
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int argc = arginfo->ps_nargvstr;
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int envc = arginfo->ps_nenvstr;
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int error;
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NETBSD32PTR32(dp, (char *)(cpp +
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1 + /* int argc */
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argc + /* char *argv[] */
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1 + /* \0 */
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envc + /* char *env[] */
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1) + /* \0 */
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pack->ep_esch->es_arglen); /* auxinfo */
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sp = argp;
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if ((error = copyout(&argc, cpp++, sizeof(argc))) != 0)
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return error;
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/* XXX don't copy them out, remap them! */
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/* remember location of argv for later */
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arginfo->ps_argvstr = (char **)(u_long)cpp;
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for (; --argc >= 0; sp += len, NETBSD32PTR32PLUS(dp, len)) {
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if ((error = copyout(&dp, cpp++, sizeof(dp))) != 0)
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return error;
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if ((error = copyoutstr(sp, NETBSD32PTR64(dp),
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ARG_MAX, &len)) != 0)
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return error;
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}
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if ((error = copyout(&nullp, cpp++, sizeof(nullp))) != 0)
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return error;
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/* remember location of envp for later */
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arginfo->ps_envstr = (char **)(u_long)cpp;
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for (; --envc >= 0; sp += len, NETBSD32PTR32PLUS(dp, len)) {
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if ((error = copyout(&dp, cpp++, sizeof(dp))) != 0)
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return error;
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if ((error = copyoutstr(sp, NETBSD32PTR64(dp),
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ARG_MAX, &len)) != 0)
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return error;
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}
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if ((error = copyout(&nullp, cpp++, sizeof(nullp))) != 0)
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return error;
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*stackp = (char *)cpp;
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return 0;
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}
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#endif /* !_NETBSD32_EXEC_H_ */
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