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expect a 'struct ps_strings *' as the fourth argument to __start. 

If it's there, i.e. doesn't have a value known to be emitted by kernels
which didn't include support for passing it (0 or 0xbabefacedeadbeef),
set __ps_strings to it.  Otherwise, use the old 'normal' PS_STRINGS value
for __ps_strings.
This commit is contained in:
cgd 1996-12-07 20:04:38 +00:00
parent 0e3d6291e3
commit 6da04f404e
1 changed files with 13 additions and 3 deletions
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16
lib/csu/alpha/crt0.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: crt0.c,v 1.1 1996/09/12 16:59:02 cgd Exp $ */
/* $NetBSD: crt0.c,v 1.2 1996/12/07 20:04:38 cgd Exp $ */
/*
* Copyright (c) 1995 Christopher G. Demetriou
@ -35,8 +35,12 @@
#undef DYNAMIC
#endif
#include <stdlib.h>
#include <sys/param.h>
#include <sys/exec.h>
#include <sys/syscall.h>
#include <vm/vm.h>
#include <stdlib.h>
#ifdef DYNAMIC
#include "rtld.h"
#else
@ -63,6 +67,7 @@ static char *_strrchr __P((char *, char));
char **environ;
char *__progname = "";
struct ps_strings *__ps_strings = PS_STRINGS;
#ifndef ECOFF_COMPAT
extern void __init __P((void));
@ -90,10 +95,11 @@ extern unsigned char _etext, _eprol;
#endif /* MCRT0 */
void
__start(sp, cleanup, obj)
__start(sp, cleanup, obj, ps_strings)
char **sp;
void (*cleanup) __P((void)); /* from shared loader */
const Obj_Entry *obj; /* from shared loader */
struct ps_strings *ps_strings;
{
long argc;
char **argv, *namep;
@ -109,6 +115,10 @@ __start(sp, cleanup, obj)
__progname++;
}
if (ps_strings != (struct ps_strings *)0 &&
ps_strings != (struct ps_strings *)0xbabefacedeadbeef)
__ps_strings = ps_strings;
#ifdef DYNAMIC
if (&_DYNAMIC != NULL)
rtld_setup(cleanup, obj);