compat exec() stuff is done more sensibly now
(hpux and ultrix compat stuff will be done the same way)
This commit is contained in:
deraadt
parent
6ac9e15bb1
commit
6ce3f214d1
|
|
@ -0,0 +1,48 @@
|
|||
/*
|
||||
* 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.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software withough specific prior written permission
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* $Id: exec.h,v 1.1 1993/11/28 18:03:18 deraadt Exp $
|
||||
*/
|
||||
|
||||
#ifndef _SUNOS_EXEC_H_
|
||||
#define _SUNOS_EXEC_H_
|
||||
|
||||
struct sun_exec {
|
||||
u_char a_dynamic:1; /* has a __DYNAMIC */
|
||||
u_char a_toolversion:7;/* version of toolset used to create this file */
|
||||
u_char a_machtype; /* machine type */
|
||||
u_short a_magic; /* magic number */
|
||||
};
|
||||
#define SUN_M_68020 2 /* runs only on 68020 */
|
||||
#define SUN_M_SPARC 3 /* runs only on SPARC */
|
||||
|
||||
#ifdef sparc
|
||||
#define SUN_M_NATIVE SUN_M_SPARC
|
||||
#else
|
||||
#define SUN_M_NATIVE SUN_M_68020
|
||||
#endif
|
||||
|
||||
#endif /* !_SUNOS_EXEC_H_ */
|
||||
|
|
@ -0,0 +1,259 @@
|
|||
/*
|
||||
* 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.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software withough specific prior written permission
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* $Id: sun_exec.c,v 1.1 1993/11/28 18:03:19 deraadt Exp $
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/filedesc.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/proc.h>
|
||||
#include <sys/mount.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/namei.h>
|
||||
#include <sys/vnode.h>
|
||||
#include <sys/file.h>
|
||||
#include <sys/exec.h>
|
||||
#include <sys/resourcevar.h>
|
||||
#include <sys/wait.h>
|
||||
|
||||
#include <sys/mman.h>
|
||||
#include <vm/vm.h>
|
||||
#include <vm/vm_param.h>
|
||||
#include <vm/vm_map.h>
|
||||
#include <vm/vm_kern.h>
|
||||
#include <vm/vm_pager.h>
|
||||
|
||||
#include <machine/cpu.h>
|
||||
#include <machine/reg.h>
|
||||
#include <machine/exec.h>
|
||||
|
||||
#include <compat/sunos/exec.h>
|
||||
|
||||
#ifdef sparc
|
||||
#define sun_exec_aout_prep_zmagic exec_aout_prep_zmagic
|
||||
#define sun_exec_aout_prep_nmagic exec_aout_prep_nmagic
|
||||
#define sun_exec_aout_prep_omagic exec_aout_prep_omagic
|
||||
#endif
|
||||
|
||||
int
|
||||
sun_exec_aout_makecmds(p, epp)
|
||||
struct proc *p;
|
||||
struct exec_package *epp;
|
||||
{
|
||||
struct sun_exec *sunmag;
|
||||
|
||||
sunmag = (struct sun_exec *)epp->ep_execp;
|
||||
if(sunmag->a_machtype != SUN_M_NATIVE)
|
||||
return (ENOEXEC);
|
||||
|
||||
epp->ep_emul = EMUL_SUNOS;
|
||||
switch (sunmag->a_magic) {
|
||||
case ZMAGIC:
|
||||
return sun_exec_aout_prep_zmagic(p, epp);
|
||||
case NMAGIC:
|
||||
return sun_exec_aout_prep_nmagic(p, epp);
|
||||
case OMAGIC:
|
||||
return sun_exec_aout_prep_omagic(p, epp);
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return (ENOEXEC);
|
||||
}
|
||||
|
||||
/*
|
||||
* the code below is only needed for sun3 emulation.
|
||||
*/
|
||||
#ifndef sparc
|
||||
|
||||
/* suns keep data seg aligned to SEGSIZ because of sun custom mmu */
|
||||
#define SEGSIZ 0x20000
|
||||
#define N_TXTADDR(x,m) __LDPGSZ
|
||||
#define N_DATADDR(x,m) (((m)==OMAGIC) ? (N_TXTADDR(x,m) + (x).a_text) \
|
||||
: (SEGSIZ + ((N_TXTADDR(x,m) + (x).a_text - 1) \
|
||||
& ~(SEGSIZ-1))))
|
||||
#define N_BSSADDR(x,m) (N_DATADDR(x,m)+(x).a_data)
|
||||
|
||||
#define N_TXTOFF(x,m) ((m)==ZMAGIC ? 0 : sizeof (struct exec))
|
||||
#define N_DATOFF(x,m) (N_TXTOFF(x,m) + (x).a_text)
|
||||
|
||||
/*
|
||||
* sun_exec_aout_prep_zmagic(): Prepare a SunOS ZMAGIC binary's exec package
|
||||
*
|
||||
* First, set of the various offsets/lengths in the exec package.
|
||||
*
|
||||
* Then, mark the text image busy (so it can be demand paged) or error
|
||||
* out if this is not possible. Finally, set up vmcmds for the
|
||||
* text, data, bss, and stack segments.
|
||||
*/
|
||||
int
|
||||
sun_exec_aout_prep_zmagic(p, epp)
|
||||
struct proc *p;
|
||||
struct exec_package *epp;
|
||||
{
|
||||
struct exec *execp = epp->ep_execp;
|
||||
struct exec_vmcmd *ccmdp;
|
||||
|
||||
epp->ep_taddr = N_TXTADDR(*execp, ZMAGIC);
|
||||
epp->ep_tsize = execp->a_text;
|
||||
epp->ep_daddr = N_DATADDR(*execp, ZMAGIC);
|
||||
epp->ep_dsize = execp->a_data + execp->a_bss;
|
||||
epp->ep_entry = execp->a_entry;
|
||||
|
||||
/*
|
||||
* check if vnode is in open for writing, because we want to
|
||||
* demand-page out of it. if it is, don't do it, for various
|
||||
* reasons
|
||||
*/
|
||||
if ((execp->a_text != 0 || execp->a_data != 0) &&
|
||||
(epp->ep_vp->v_flag & VTEXT) == 0 && epp->ep_vp->v_writecount != 0) {
|
||||
#ifdef DIAGNOSTIC
|
||||
if (epp->ep_vp->v_flag & VTEXT)
|
||||
panic("exec: a VTEXT vnode has writecount != 0\n");
|
||||
#endif
|
||||
epp->ep_vcp = NULL;
|
||||
return ETXTBSY;
|
||||
}
|
||||
epp->ep_vp->v_flag |= VTEXT;
|
||||
|
||||
/* set up command for text segment */
|
||||
epp->ep_vcp = new_vmcmd(vmcmd_map_pagedvn,
|
||||
execp->a_text,
|
||||
epp->ep_taddr,
|
||||
epp->ep_vp,
|
||||
N_TXTOFF(*execp, ZMAGIC),
|
||||
VM_PROT_READ | VM_PROT_EXECUTE);
|
||||
ccmdp = epp->ep_vcp;
|
||||
|
||||
/* set up command for data segment */
|
||||
ccmdp->ev_next = new_vmcmd(vmcmd_map_pagedvn,
|
||||
execp->a_data,
|
||||
epp->ep_daddr,
|
||||
epp->ep_vp,
|
||||
N_DATOFF(*execp, ZMAGIC),
|
||||
VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE);
|
||||
ccmdp = ccmdp->ev_next;
|
||||
|
||||
/* set up command for bss segment */
|
||||
ccmdp->ev_next = new_vmcmd(vmcmd_map_zero,
|
||||
execp->a_bss,
|
||||
epp->ep_daddr + execp->a_data,
|
||||
0,
|
||||
0,
|
||||
VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE);
|
||||
ccmdp = ccmdp->ev_next;
|
||||
|
||||
return exec_aout_setup_stack(p, epp, ccmdp);
|
||||
}
|
||||
|
||||
/*
|
||||
* sun_exec_aout_prep_nmagic(): Prepare a SunOS NMAGIC binary's exec package
|
||||
*/
|
||||
int
|
||||
sun_exec_aout_prep_nmagic(p, epp)
|
||||
struct proc *p;
|
||||
struct exec_package *epp;
|
||||
{
|
||||
struct exec *execp = epp->ep_execp;
|
||||
struct exec_vmcmd *ccmdp;
|
||||
long bsize, baddr;
|
||||
|
||||
epp->ep_taddr = N_TXTADDR(*execp, NMAGIC);
|
||||
epp->ep_tsize = execp->a_text;
|
||||
epp->ep_daddr = N_DATADDR(*execp, NMAGIC);
|
||||
epp->ep_dsize = execp->a_data + execp->a_bss;
|
||||
epp->ep_entry = execp->a_entry;
|
||||
|
||||
/* set up command for text segment */
|
||||
epp->ep_vcp = new_vmcmd(vmcmd_map_readvn,
|
||||
execp->a_text,
|
||||
epp->ep_taddr,
|
||||
epp->ep_vp,
|
||||
N_TXTOFF(*execp, NMAGIC),
|
||||
VM_PROT_READ | VM_PROT_EXECUTE);
|
||||
ccmdp = epp->ep_vcp;
|
||||
|
||||
/* set up command for data segment */
|
||||
ccmdp->ev_next = new_vmcmd(vmcmd_map_readvn,
|
||||
execp->a_data,
|
||||
epp->ep_daddr,
|
||||
epp->ep_vp,
|
||||
N_DATOFF(*execp, NMAGIC),
|
||||
VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE);
|
||||
ccmdp = ccmdp->ev_next;
|
||||
|
||||
/* set up command for bss segment */
|
||||
baddr = roundup(epp->ep_daddr + execp->a_data, NBPG);
|
||||
bsize = epp->ep_daddr + epp->ep_dsize - baddr;
|
||||
if (bsize > 0) {
|
||||
ccmdp->ev_next = new_vmcmd(vmcmd_map_zero, bsize, baddr,
|
||||
0, 0, VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE);
|
||||
ccmdp = ccmdp->ev_next;
|
||||
}
|
||||
|
||||
return exec_aout_setup_stack(p, epp, ccmdp);
|
||||
}
|
||||
|
||||
/*
|
||||
* sun_exec_aout_prep_omagic(): Prepare a SunOS OMAGIC binary's exec package
|
||||
*/
|
||||
int
|
||||
sun_exec_aout_prep_omagic(p, epp)
|
||||
struct proc *p;
|
||||
struct exec_package *epp;
|
||||
{
|
||||
struct exec *execp = epp->ep_execp;
|
||||
struct exec_vmcmd *ccmdp;
|
||||
long bsize, baddr;
|
||||
|
||||
epp->ep_taddr = N_TXTADDR(*execp, OMAGIC);
|
||||
epp->ep_tsize = execp->a_text;
|
||||
epp->ep_daddr = N_DATADDR(*execp, OMAGIC);
|
||||
epp->ep_dsize = execp->a_data + execp->a_bss;
|
||||
epp->ep_entry = execp->a_entry;
|
||||
|
||||
/* set up command for text and data segments */
|
||||
epp->ep_vcp = new_vmcmd(vmcmd_map_readvn,
|
||||
execp->a_text + execp->a_data,
|
||||
epp->ep_taddr,
|
||||
epp->ep_vp,
|
||||
N_TXTOFF(*execp, OMAGIC),
|
||||
VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE);
|
||||
ccmdp = epp->ep_vcp;
|
||||
|
||||
/* set up command for bss segment */
|
||||
baddr = roundup(epp->ep_daddr + execp->a_data, __LDPGSZ);
|
||||
bsize = epp->ep_daddr + epp->ep_dsize - baddr;
|
||||
if (bsize > 0) {
|
||||
ccmdp->ev_next = new_vmcmd(vmcmd_map_zero, bsize, baddr,
|
||||
0, 0, VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE);
|
||||
ccmdp = ccmdp->ev_next;
|
||||
}
|
||||
|
||||
return exec_aout_setup_stack(p, epp, ccmdp);
|
||||
}
|
||||
#endif /* !sparc */
|
||||
|
|
@ -0,0 +1,259 @@
|
|||
/*
|
||||
* 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.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software withough specific prior written permission
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* $Id: sunos_exec.c,v 1.1 1993/11/28 18:03:19 deraadt Exp $
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/filedesc.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/proc.h>
|
||||
#include <sys/mount.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/namei.h>
|
||||
#include <sys/vnode.h>
|
||||
#include <sys/file.h>
|
||||
#include <sys/exec.h>
|
||||
#include <sys/resourcevar.h>
|
||||
#include <sys/wait.h>
|
||||
|
||||
#include <sys/mman.h>
|
||||
#include <vm/vm.h>
|
||||
#include <vm/vm_param.h>
|
||||
#include <vm/vm_map.h>
|
||||
#include <vm/vm_kern.h>
|
||||
#include <vm/vm_pager.h>
|
||||
|
||||
#include <machine/cpu.h>
|
||||
#include <machine/reg.h>
|
||||
#include <machine/exec.h>
|
||||
|
||||
#include <compat/sunos/exec.h>
|
||||
|
||||
#ifdef sparc
|
||||
#define sun_exec_aout_prep_zmagic exec_aout_prep_zmagic
|
||||
#define sun_exec_aout_prep_nmagic exec_aout_prep_nmagic
|
||||
#define sun_exec_aout_prep_omagic exec_aout_prep_omagic
|
||||
#endif
|
||||
|
||||
int
|
||||
sun_exec_aout_makecmds(p, epp)
|
||||
struct proc *p;
|
||||
struct exec_package *epp;
|
||||
{
|
||||
struct sun_exec *sunmag;
|
||||
|
||||
sunmag = (struct sun_exec *)epp->ep_execp;
|
||||
if(sunmag->a_machtype != SUN_M_NATIVE)
|
||||
return (ENOEXEC);
|
||||
|
||||
epp->ep_emul = EMUL_SUNOS;
|
||||
switch (sunmag->a_magic) {
|
||||
case ZMAGIC:
|
||||
return sun_exec_aout_prep_zmagic(p, epp);
|
||||
case NMAGIC:
|
||||
return sun_exec_aout_prep_nmagic(p, epp);
|
||||
case OMAGIC:
|
||||
return sun_exec_aout_prep_omagic(p, epp);
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return (ENOEXEC);
|
||||
}
|
||||
|
||||
/*
|
||||
* the code below is only needed for sun3 emulation.
|
||||
*/
|
||||
#ifndef sparc
|
||||
|
||||
/* suns keep data seg aligned to SEGSIZ because of sun custom mmu */
|
||||
#define SEGSIZ 0x20000
|
||||
#define N_TXTADDR(x,m) __LDPGSZ
|
||||
#define N_DATADDR(x,m) (((m)==OMAGIC) ? (N_TXTADDR(x,m) + (x).a_text) \
|
||||
: (SEGSIZ + ((N_TXTADDR(x,m) + (x).a_text - 1) \
|
||||
& ~(SEGSIZ-1))))
|
||||
#define N_BSSADDR(x,m) (N_DATADDR(x,m)+(x).a_data)
|
||||
|
||||
#define N_TXTOFF(x,m) ((m)==ZMAGIC ? 0 : sizeof (struct exec))
|
||||
#define N_DATOFF(x,m) (N_TXTOFF(x,m) + (x).a_text)
|
||||
|
||||
/*
|
||||
* sun_exec_aout_prep_zmagic(): Prepare a SunOS ZMAGIC binary's exec package
|
||||
*
|
||||
* First, set of the various offsets/lengths in the exec package.
|
||||
*
|
||||
* Then, mark the text image busy (so it can be demand paged) or error
|
||||
* out if this is not possible. Finally, set up vmcmds for the
|
||||
* text, data, bss, and stack segments.
|
||||
*/
|
||||
int
|
||||
sun_exec_aout_prep_zmagic(p, epp)
|
||||
struct proc *p;
|
||||
struct exec_package *epp;
|
||||
{
|
||||
struct exec *execp = epp->ep_execp;
|
||||
struct exec_vmcmd *ccmdp;
|
||||
|
||||
epp->ep_taddr = N_TXTADDR(*execp, ZMAGIC);
|
||||
epp->ep_tsize = execp->a_text;
|
||||
epp->ep_daddr = N_DATADDR(*execp, ZMAGIC);
|
||||
epp->ep_dsize = execp->a_data + execp->a_bss;
|
||||
epp->ep_entry = execp->a_entry;
|
||||
|
||||
/*
|
||||
* check if vnode is in open for writing, because we want to
|
||||
* demand-page out of it. if it is, don't do it, for various
|
||||
* reasons
|
||||
*/
|
||||
if ((execp->a_text != 0 || execp->a_data != 0) &&
|
||||
(epp->ep_vp->v_flag & VTEXT) == 0 && epp->ep_vp->v_writecount != 0) {
|
||||
#ifdef DIAGNOSTIC
|
||||
if (epp->ep_vp->v_flag & VTEXT)
|
||||
panic("exec: a VTEXT vnode has writecount != 0\n");
|
||||
#endif
|
||||
epp->ep_vcp = NULL;
|
||||
return ETXTBSY;
|
||||
}
|
||||
epp->ep_vp->v_flag |= VTEXT;
|
||||
|
||||
/* set up command for text segment */
|
||||
epp->ep_vcp = new_vmcmd(vmcmd_map_pagedvn,
|
||||
execp->a_text,
|
||||
epp->ep_taddr,
|
||||
epp->ep_vp,
|
||||
N_TXTOFF(*execp, ZMAGIC),
|
||||
VM_PROT_READ | VM_PROT_EXECUTE);
|
||||
ccmdp = epp->ep_vcp;
|
||||
|
||||
/* set up command for data segment */
|
||||
ccmdp->ev_next = new_vmcmd(vmcmd_map_pagedvn,
|
||||
execp->a_data,
|
||||
epp->ep_daddr,
|
||||
epp->ep_vp,
|
||||
N_DATOFF(*execp, ZMAGIC),
|
||||
VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE);
|
||||
ccmdp = ccmdp->ev_next;
|
||||
|
||||
/* set up command for bss segment */
|
||||
ccmdp->ev_next = new_vmcmd(vmcmd_map_zero,
|
||||
execp->a_bss,
|
||||
epp->ep_daddr + execp->a_data,
|
||||
0,
|
||||
0,
|
||||
VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE);
|
||||
ccmdp = ccmdp->ev_next;
|
||||
|
||||
return exec_aout_setup_stack(p, epp, ccmdp);
|
||||
}
|
||||
|
||||
/*
|
||||
* sun_exec_aout_prep_nmagic(): Prepare a SunOS NMAGIC binary's exec package
|
||||
*/
|
||||
int
|
||||
sun_exec_aout_prep_nmagic(p, epp)
|
||||
struct proc *p;
|
||||
struct exec_package *epp;
|
||||
{
|
||||
struct exec *execp = epp->ep_execp;
|
||||
struct exec_vmcmd *ccmdp;
|
||||
long bsize, baddr;
|
||||
|
||||
epp->ep_taddr = N_TXTADDR(*execp, NMAGIC);
|
||||
epp->ep_tsize = execp->a_text;
|
||||
epp->ep_daddr = N_DATADDR(*execp, NMAGIC);
|
||||
epp->ep_dsize = execp->a_data + execp->a_bss;
|
||||
epp->ep_entry = execp->a_entry;
|
||||
|
||||
/* set up command for text segment */
|
||||
epp->ep_vcp = new_vmcmd(vmcmd_map_readvn,
|
||||
execp->a_text,
|
||||
epp->ep_taddr,
|
||||
epp->ep_vp,
|
||||
N_TXTOFF(*execp, NMAGIC),
|
||||
VM_PROT_READ | VM_PROT_EXECUTE);
|
||||
ccmdp = epp->ep_vcp;
|
||||
|
||||
/* set up command for data segment */
|
||||
ccmdp->ev_next = new_vmcmd(vmcmd_map_readvn,
|
||||
execp->a_data,
|
||||
epp->ep_daddr,
|
||||
epp->ep_vp,
|
||||
N_DATOFF(*execp, NMAGIC),
|
||||
VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE);
|
||||
ccmdp = ccmdp->ev_next;
|
||||
|
||||
/* set up command for bss segment */
|
||||
baddr = roundup(epp->ep_daddr + execp->a_data, NBPG);
|
||||
bsize = epp->ep_daddr + epp->ep_dsize - baddr;
|
||||
if (bsize > 0) {
|
||||
ccmdp->ev_next = new_vmcmd(vmcmd_map_zero, bsize, baddr,
|
||||
0, 0, VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE);
|
||||
ccmdp = ccmdp->ev_next;
|
||||
}
|
||||
|
||||
return exec_aout_setup_stack(p, epp, ccmdp);
|
||||
}
|
||||
|
||||
/*
|
||||
* sun_exec_aout_prep_omagic(): Prepare a SunOS OMAGIC binary's exec package
|
||||
*/
|
||||
int
|
||||
sun_exec_aout_prep_omagic(p, epp)
|
||||
struct proc *p;
|
||||
struct exec_package *epp;
|
||||
{
|
||||
struct exec *execp = epp->ep_execp;
|
||||
struct exec_vmcmd *ccmdp;
|
||||
long bsize, baddr;
|
||||
|
||||
epp->ep_taddr = N_TXTADDR(*execp, OMAGIC);
|
||||
epp->ep_tsize = execp->a_text;
|
||||
epp->ep_daddr = N_DATADDR(*execp, OMAGIC);
|
||||
epp->ep_dsize = execp->a_data + execp->a_bss;
|
||||
epp->ep_entry = execp->a_entry;
|
||||
|
||||
/* set up command for text and data segments */
|
||||
epp->ep_vcp = new_vmcmd(vmcmd_map_readvn,
|
||||
execp->a_text + execp->a_data,
|
||||
epp->ep_taddr,
|
||||
epp->ep_vp,
|
||||
N_TXTOFF(*execp, OMAGIC),
|
||||
VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE);
|
||||
ccmdp = epp->ep_vcp;
|
||||
|
||||
/* set up command for bss segment */
|
||||
baddr = roundup(epp->ep_daddr + execp->a_data, __LDPGSZ);
|
||||
bsize = epp->ep_daddr + epp->ep_dsize - baddr;
|
||||
if (bsize > 0) {
|
||||
ccmdp->ev_next = new_vmcmd(vmcmd_map_zero, bsize, baddr,
|
||||
0, 0, VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE);
|
||||
ccmdp = ccmdp->ev_next;
|
||||
}
|
||||
|
||||
return exec_aout_setup_stack(p, epp, ccmdp);
|
||||
}
|
||||
#endif /* !sparc */
|
||||
Loading…
Reference in New Issue