scoutos / prex-0.9.0 / usr / server / exec / exec.h @ 03e9c04a
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/*
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* Copyright (c) 2005-2007, Kohsuke Ohtani
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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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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, 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 _EXEC_H
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#define _EXEC_H
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#include <sys/cdefs.h> |
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#include <sys/prex.h> |
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#include <sys/elf.h> |
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#include <sys/param.h> |
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#include <sys/stat.h> |
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#include <ipc/exec.h> |
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#include <unistd.h> |
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#include <assert.h> |
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/* #define DEBUG_EXEC 1 */
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#ifdef DEBUG_EXEC
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#define DPRINTF(a) dprintf a
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#define ASSERT(e) dassert(e)
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#else
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#define DPRINTF(a)
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#define ASSERT(e)
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#endif
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#define HEADER_SIZE 512 |
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/*
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* Exec descriptor
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*/
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struct exec {
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char *path; /* path name */ |
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void *header; /* buffer for header */ |
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char *xarg1; /* extra arguments */ |
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char *xarg2; /* extra arguments */ |
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task_t task; /* task id */
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vaddr_t entry; /* entry address */
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}; |
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/*
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* Definition for exec loader
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*/
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struct exec_loader {
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const char *el_name; /* name of loader */ |
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void (*el_init)(void); /* initialize routine */ |
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int (*el_probe)(struct exec *); /* probe routine */ |
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int (*el_load)(struct exec *); /* load routine */ |
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}; |
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/*
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* Probe result
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*/
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#define PROBE_ERROR 0 |
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#define PROBE_MATCH 1 |
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#define PROBE_INDIRECT 2 |
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/*
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* Capability mapping
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*/
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struct cap_map {
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char *c_path; /* application name */ |
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cap_t c_capset; /* capability set */
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}; |
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/*
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* Global variables
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*/
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extern struct exec_loader loader_table[]; |
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extern const struct cap_map cap_table[]; |
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extern const int nloader; |
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__BEGIN_DECLS |
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void bind_cap(char *, task_t); |
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int exec_bindcap(struct bind_msg *); |
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int exec_execve(struct exec_msg *); |
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__END_DECLS |
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#endif /* !_EXEC_H */ |