diff options
| author | Julian Elischer <julian@FreeBSD.org> | 1999-01-06 23:05:42 +0000 |
|---|---|---|
| committer | Julian Elischer <julian@FreeBSD.org> | 1999-01-06 23:05:42 +0000 |
| commit | 2267af789e8723fa3e608b6bd0ca8e9156b958c4 (patch) | |
| tree | eca31396238ede5284d31f3c1d642def1655fed7 /sys/kern/kern_exec.c | |
| parent | f6b387c28e02a9a4781892aa24b4e72d27560c22 (diff) | |
Notes
Diffstat (limited to 'sys/kern/kern_exec.c')
| -rw-r--r-- | sys/kern/kern_exec.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c index fc23c6ef04ed..dd6367203579 100644 --- a/sys/kern/kern_exec.c +++ b/sys/kern/kern_exec.c @@ -23,7 +23,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: kern_exec.c,v 1.91 1998/12/27 18:03:29 dfr Exp $ + * $Id: kern_exec.c,v 1.92 1998/12/30 10:38:59 dfr Exp $ */ #include <sys/param.h> @@ -426,7 +426,11 @@ exec_new_vmspace(imgp) { int error; struct vmspace *vmspace = imgp->proc->p_vmspace; +#ifdef VM_STACK + caddr_t stack_addr = (caddr_t) (USRSTACK - MAXSSIZ); +#else caddr_t stack_addr = (caddr_t) (USRSTACK - SGROWSIZ); +#endif vm_map_t map = &vmspace->vm_map; imgp->vmspace_destroyed = 1; @@ -448,6 +452,19 @@ exec_new_vmspace(imgp) } /* Allocate a new stack */ +#ifdef VM_STACK + error = vm_map_stack (&vmspace->vm_map, (vm_offset_t)stack_addr, + (vm_size_t)MAXSSIZ, VM_PROT_ALL, VM_PROT_ALL, 0); + if (error) + return (error); + + /* vm_ssize and vm_maxsaddr are somewhat antiquated concepts in the + * VM_STACK case, but they are still used to monitor the size of the + * process stack so we can check the stack rlimit. + */ + vmspace->vm_ssize = SGROWSIZ >> PAGE_SHIFT; + vmspace->vm_maxsaddr = (char *)USRSTACK - MAXSSIZ; +#else error = vm_map_insert(&vmspace->vm_map, NULL, 0, (vm_offset_t) stack_addr, (vm_offset_t) USRSTACK, VM_PROT_ALL, VM_PROT_ALL, 0); @@ -458,6 +475,7 @@ exec_new_vmspace(imgp) /* Initialize maximum stack address */ vmspace->vm_maxsaddr = (char *)USRSTACK - MAXSSIZ; +#endif return(0); } |