switch to netbsd csu
. file- and functionality-compatible with previous situation
(FreeBSD csu) (with a crt1.o -> crt0.o symlink in /usr/lib)
. harmonizes source with netbsd
. harmonizes linker invocation (e.g. clang) with netbsd
. helpful to get some arm code in there for the arm port project
This commit is contained in:
Ben Gras
@@ -35,7 +35,7 @@ INCS+= ansi.h atomic.h \
|
||||
tree.h ttycom.h ttydefaults.h \
|
||||
types.h \
|
||||
ucontext.h ucred.h uio.h un.h unistd.h utsname.h uuid.h \
|
||||
wait.h
|
||||
wait.h exec.h
|
||||
|
||||
INCSYMLINKS=\
|
||||
sys/fcntl.h ${NETBSDINCSDIR}/fcntl.h \
|
||||
|
||||
@@ -64,7 +64,7 @@
|
||||
#define __weak_extern(sym) \
|
||||
__asm(".weak " _C_LABEL_STRING(#sym));
|
||||
|
||||
#if __GNUC_PREREQ__(4, 0) && !defined(__minix)
|
||||
#if __GNUC_PREREQ__(4, 0)
|
||||
#define __weak_reference(sym) __attribute__((__weakref__))
|
||||
#else
|
||||
#define __weak_reference(sym) ; __asm(".weak " _C_LABEL_STRING(#sym))
|
||||
|
||||
298
include/sys/exec.h
Normal file
298
include/sys/exec.h
Normal file
@@ -0,0 +1,298 @@
|
||||
/* $NetBSD: exec.h,v 1.133 2011/03/04 22:25:32 joerg Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1992, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
* (c) UNIX System Laboratories, Inc.
|
||||
* All or some portions of this file are derived from material licensed
|
||||
* to the University of California by American Telephone and Telegraph
|
||||
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
|
||||
* the permission of UNIX System Laboratories, Inc.
|
||||
*
|
||||
* 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.
|
||||
* 3. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
||||
*
|
||||
* @(#)exec.h 8.4 (Berkeley) 2/19/95
|
||||
*/
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1993 Theo de Raadt. 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 AUTHOR ``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 AUTHOR 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.
|
||||
*/
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1994 Christopher G. Demetriou
|
||||
*
|
||||
* 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.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
||||
*
|
||||
* @(#)exec.h 8.4 (Berkeley) 2/19/95
|
||||
*/
|
||||
|
||||
#ifndef _SYS_EXEC_H_
|
||||
#define _SYS_EXEC_H_
|
||||
|
||||
struct pathbuf; /* from namei.h */
|
||||
|
||||
|
||||
/*
|
||||
* The following structure is found at the top of the user stack of each
|
||||
* user process. The ps program uses it to locate argv and environment
|
||||
* strings. Programs that wish ps to display other information may modify
|
||||
* it; normally ps_argvstr points to argv[0], and ps_nargvstr is the same
|
||||
* as the program's argc. The fields ps_envstr and ps_nenvstr are the
|
||||
* equivalent for the environment.
|
||||
*/
|
||||
struct ps_strings {
|
||||
char **ps_argvstr; /* first of 0 or more argument strings */
|
||||
int ps_nargvstr; /* the number of argument strings */
|
||||
char **ps_envstr; /* first of 0 or more environment strings */
|
||||
int ps_nenvstr; /* the number of environment strings */
|
||||
};
|
||||
|
||||
#ifdef _KERNEL
|
||||
struct ps_strings32 {
|
||||
uint32_t ps_argvstr; /* first of 0 or more argument strings */
|
||||
int32_t ps_nargvstr; /* the number of argument strings */
|
||||
uint32_t ps_envstr; /* first of 0 or more environment strings */
|
||||
int32_t ps_nenvstr; /* the number of environment strings */
|
||||
};
|
||||
#endif
|
||||
|
||||
/*
|
||||
* the following structures allow execve() to put together processes
|
||||
* in a more extensible and cleaner way.
|
||||
*
|
||||
* the exec_package struct defines an executable being execve()'d.
|
||||
* it contains the header, the vmspace-building commands, the vnode
|
||||
* information, and the arguments associated with the newly-execve'd
|
||||
* process.
|
||||
*
|
||||
* the exec_vmcmd struct defines a command description to be used
|
||||
* in creating the new process's vmspace.
|
||||
*/
|
||||
|
||||
#include <sys/uio.h>
|
||||
|
||||
struct lwp;
|
||||
struct proc;
|
||||
struct exec_package;
|
||||
struct vnode;
|
||||
|
||||
typedef int (*exec_makecmds_fcn)(struct lwp *, struct exec_package *);
|
||||
|
||||
struct execsw {
|
||||
u_int es_hdrsz; /* size of header for this format */
|
||||
exec_makecmds_fcn es_makecmds; /* function to setup vmcmds */
|
||||
union { /* probe function */
|
||||
int (*elf_probe_func)(struct lwp *,
|
||||
struct exec_package *, void *, char *, vaddr_t *);
|
||||
int (*ecoff_probe_func)(struct lwp *, struct exec_package *);
|
||||
int (*mach_probe_func)(const char **);
|
||||
} u;
|
||||
struct emul *es_emul; /* os emulation */
|
||||
int es_prio; /* entry priority */
|
||||
int es_arglen; /* Extra argument size in words */
|
||||
/* Copy arguments on the new stack */
|
||||
int (*es_copyargs)(struct lwp *, struct exec_package *,
|
||||
struct ps_strings *, char **, void *);
|
||||
/* Set registers before execution */
|
||||
void (*es_setregs)(struct lwp *, struct exec_package *, vaddr_t);
|
||||
/* Dump core */
|
||||
int (*es_coredump)(struct lwp *, void *);
|
||||
int (*es_setup_stack)(struct lwp *, struct exec_package *);
|
||||
};
|
||||
|
||||
#define EXECSW_PRIO_ANY 0x000 /* default, no preference */
|
||||
#define EXECSW_PRIO_FIRST 0x001 /* this should be among first */
|
||||
#define EXECSW_PRIO_LAST 0x002 /* this should be among last */
|
||||
|
||||
/* exec vmspace-creation command set; see below */
|
||||
struct exec_vmcmd_set {
|
||||
u_int evs_cnt;
|
||||
u_int evs_used;
|
||||
struct exec_vmcmd *evs_cmds;
|
||||
};
|
||||
|
||||
#define EXEC_DEFAULT_VMCMD_SETSIZE 9 /* # of cmds in set to start */
|
||||
|
||||
struct exec_package {
|
||||
const char *ep_name; /* file's name */
|
||||
const char *ep_kname; /* kernel-side copy of file's name */
|
||||
char *ep_resolvedname; /* fully resolved path from namei */
|
||||
void *ep_hdr; /* file's exec header */
|
||||
u_int ep_hdrlen; /* length of ep_hdr */
|
||||
u_int ep_hdrvalid; /* bytes of ep_hdr that are valid */
|
||||
struct exec_vmcmd_set ep_vmcmds; /* vmcmds used to build vmspace */
|
||||
struct vnode *ep_vp; /* executable's vnode */
|
||||
struct vattr *ep_vap; /* executable's attributes */
|
||||
vaddr_t ep_taddr; /* process's text address */
|
||||
vsize_t ep_tsize; /* size of process's text */
|
||||
vaddr_t ep_daddr; /* process's data(+bss) address */
|
||||
vsize_t ep_dsize; /* size of process's data(+bss) */
|
||||
vaddr_t ep_maxsaddr; /* proc's max stack addr ("top") */
|
||||
vaddr_t ep_minsaddr; /* proc's min stack addr ("bottom") */
|
||||
vsize_t ep_ssize; /* size of process's stack */
|
||||
vaddr_t ep_entry; /* process's entry point */
|
||||
vaddr_t ep_vm_minaddr; /* bottom of process address space */
|
||||
vaddr_t ep_vm_maxaddr; /* top of process address space */
|
||||
u_int ep_flags; /* flags; see below. */
|
||||
size_t ep_fa_len; /* byte size of ep_fa */
|
||||
struct exec_fakearg {
|
||||
char *fa_arg;
|
||||
size_t fa_len;
|
||||
} *ep_fa; /* a fake args vector for scripts */
|
||||
int ep_fd; /* a file descriptor we're holding */
|
||||
void *ep_emul_arg; /* emulation argument */
|
||||
const struct execsw *ep_esch;/* execsw entry */
|
||||
struct vnode *ep_emul_root; /* base of emulation filesystem */
|
||||
struct vnode *ep_interp; /* vnode of (elf) interpeter */
|
||||
uint32_t ep_pax_flags; /* pax flags */
|
||||
char *ep_path; /* absolute path of executable */
|
||||
};
|
||||
#define EXEC_INDIR 0x0001 /* script handling already done */
|
||||
#define EXEC_HASFD 0x0002 /* holding a shell script */
|
||||
#define EXEC_HASARGL 0x0004 /* has fake args vector */
|
||||
#define EXEC_SKIPARG 0x0008 /* don't copy user-supplied argv[0] */
|
||||
#define EXEC_DESTR 0x0010 /* destructive ops performed */
|
||||
#define EXEC_32 0x0020 /* 32-bit binary emulation */
|
||||
#define EXEC_FORCEAUX 0x0040 /* always use ELF AUX vector */
|
||||
|
||||
struct exec_vmcmd {
|
||||
int (*ev_proc)(struct lwp *, struct exec_vmcmd *);
|
||||
/* procedure to run for region of vmspace */
|
||||
vsize_t ev_len; /* length of the segment to map */
|
||||
vaddr_t ev_addr; /* address in the vmspace to place it at */
|
||||
struct vnode *ev_vp; /* vnode pointer for the file w/the data */
|
||||
vsize_t ev_offset; /* offset in the file for the data */
|
||||
u_int ev_prot; /* protections for segment */
|
||||
int ev_flags;
|
||||
#define VMCMD_RELATIVE 0x0001 /* ev_addr is relative to base entry */
|
||||
#define VMCMD_BASE 0x0002 /* marks a base entry */
|
||||
#define VMCMD_FIXED 0x0004 /* entry must be mapped at ev_addr */
|
||||
#define VMCMD_STACK 0x0008 /* entry is for a stack */
|
||||
};
|
||||
|
||||
#ifdef _KERNEL
|
||||
/*
|
||||
* funtions used either by execve() or the various CPU-dependent execve()
|
||||
* hooks.
|
||||
*/
|
||||
void kill_vmcmd (struct exec_vmcmd **);
|
||||
int exec_makecmds (struct lwp *, struct exec_package *);
|
||||
int exec_runcmds (struct lwp *, struct exec_package *);
|
||||
void vmcmdset_extend (struct exec_vmcmd_set *);
|
||||
void kill_vmcmds (struct exec_vmcmd_set *);
|
||||
int vmcmd_map_pagedvn (struct lwp *, struct exec_vmcmd *);
|
||||
int vmcmd_map_readvn (struct lwp *, struct exec_vmcmd *);
|
||||
int vmcmd_readvn (struct lwp *, struct exec_vmcmd *);
|
||||
int vmcmd_map_zero (struct lwp *, struct exec_vmcmd *);
|
||||
int copyargs (struct lwp *, struct exec_package *,
|
||||
struct ps_strings *, char **, void *);
|
||||
int copyin_psstrings (struct proc *, struct ps_strings *);
|
||||
int copy_procargs (struct proc *, int, size_t *,
|
||||
int (*)(void *, const void *, size_t, size_t), void *);
|
||||
void setregs (struct lwp *, struct exec_package *, vaddr_t);
|
||||
int check_veriexec (struct lwp *, struct vnode *,
|
||||
struct exec_package *, int);
|
||||
int check_exec (struct lwp *, struct exec_package *,
|
||||
struct pathbuf *);
|
||||
int exec_init (int);
|
||||
int exec_read_from (struct lwp *, struct vnode *, u_long off,
|
||||
void *, size_t);
|
||||
int exec_setup_stack (struct lwp *, struct exec_package *);
|
||||
|
||||
int coredump_write (void *, enum uio_seg, const void *, size_t);
|
||||
/*
|
||||
* Machine dependent functions
|
||||
*/
|
||||
struct core;
|
||||
struct core32;
|
||||
int cpu_coredump(struct lwp *, void *, struct core *);
|
||||
int cpu_coredump32(struct lwp *, void *, struct core32 *);
|
||||
|
||||
int exec_add(struct execsw *, int);
|
||||
int exec_remove(struct execsw *, int);
|
||||
|
||||
void new_vmcmd(struct exec_vmcmd_set *,
|
||||
int (*)(struct lwp *, struct exec_vmcmd *),
|
||||
vsize_t, vaddr_t, struct vnode *, u_long, u_int, int);
|
||||
#define NEW_VMCMD(evsp,lwp,len,addr,vp,offset,prot) \
|
||||
new_vmcmd(evsp,lwp,len,addr,vp,offset,prot,0)
|
||||
#define NEW_VMCMD2(evsp,lwp,len,addr,vp,offset,prot,flags) \
|
||||
new_vmcmd(evsp,lwp,len,addr,vp,offset,prot,flags)
|
||||
|
||||
typedef int (*execve_fetch_element_t)(char * const *, size_t, char **);
|
||||
int execve1(struct lwp *, const char *, char * const *, char * const *,
|
||||
execve_fetch_element_t);
|
||||
|
||||
extern int maxexec;
|
||||
|
||||
#endif /* _KERNEL */
|
||||
|
||||
#endif /* !_SYS_EXEC_H_ */
|
||||
Reference in New Issue
Block a user