d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Don't require that sysentvec.sv_szsigcode be non-NULL.

Browse Source
This commit is contained in:
Jake Burkholder 2002-08-29 01:28:27 +00:00
parent b17c50db93
commit f3bec5d746
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=102548
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sys/kern/kern_exec.c
View File

@ -835,14 +835,18 @@ exec_copyout_strings(imgp)
char *stringp, *destp;
register_t *stack_base;
struct ps_strings *arginfo;
struct proc *p;
int szsigcode;
/*
* Calculate string base and vector table pointers.
* Also deal with signal trampoline code for this exec type.
*/
p = imgp->proc;
szsigcode = 0;
arginfo = (struct ps_strings *)PS_STRINGS;
szsigcode = *(imgp->proc->p_sysent->sv_szsigcode);
if (p->p_sysent->sv_szsigcode != NULL)
szsigcode = *(p->p_sysent->sv_szsigcode);
destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE -
roundup((ARG_MAX - imgp->stringspace), sizeof(char *));
@ -850,8 +854,8 @@ exec_copyout_strings(imgp)
* install sigcode
*/
if (szsigcode)
copyout(imgp->proc->p_sysent->sv_sigcode,
((caddr_t)arginfo - szsigcode), szsigcode);
copyout(p->p_sysent->sv_sigcode, ((caddr_t)arginfo -
szsigcode), szsigcode);
/*
* If we have a valid auxargs ptr, prepare some room