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authorDale Rahn <drahn@cvs.openbsd.org>2003-04-25 20:32:08 +0000
committerDale Rahn <drahn@cvs.openbsd.org>2003-04-25 20:32:08 +0000
commitb1941bc0b460459bcf7a51d44e73fa82417492d4 (patch)
tree1b5cfd736673a902eb2a7855096d631bd8a9c2df /sys/uvm/uvm_mmap.c
parent9aa56153bca2e8f5bdb16b9bbc6001858d8dad8a (diff)
backout mquery change, something broke when not combined with a different diff.
Diffstat (limited to 'sys/uvm/uvm_mmap.c')
-rw-r--r--sys/uvm/uvm_mmap.c87
1 files changed, 3 insertions, 84 deletions
diff --git a/sys/uvm/uvm_mmap.c b/sys/uvm/uvm_mmap.c
index 1a8676a241c..5da4bf71caa 100644
--- a/sys/uvm/uvm_mmap.c
+++ b/sys/uvm/uvm_mmap.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: uvm_mmap.c,v 1.43 2003/04/25 18:30:18 drahn Exp $ */
+/* $OpenBSD: uvm_mmap.c,v 1.44 2003/04/25 20:32:07 drahn Exp $ */
/* $NetBSD: uvm_mmap.c,v 1.49 2001/02/18 21:19:08 chs Exp $ */
/*
@@ -127,92 +127,11 @@ sys_sstk(p, v, retval)
* off: offset within the file
*/
-int
-sys_mquery(p, v, retval)
- struct proc *p;
- void *v;
- register_t *retval;
-{
- struct sys_mquery_args /* {
- syscallarg(caddr_t) addr;
- syscallarg(size_t) len;
- syscallarg(int) prot;
- syscallarg(int) flags;
- syscallarg(int) fd;
- syscallarg(long) pad;
- syscallarg(off_t) pos;
- } */ *uap = v;
- struct file *fp;
- struct uvm_object *uobj;
- voff_t uoff;
- int error;
- vaddr_t vaddr;
- int flags = 0;
- vsize_t size;
- vm_prot_t prot;
- int fd;
-
- vaddr = (vaddr_t) SCARG(uap, addr);
- prot = SCARG(uap, prot) & VM_PROT_ALL;
- size = (vsize_t) SCARG(uap, len);
- fd = SCARG(uap, fd);
-
- if (SCARG(uap, flags) & MAP_FIXED)
- flags |= UVM_FLAG_FIXED;
-
- if (fd >= 0) {
- if ((error = getvnode(p->p_fd, fd, &fp)) != 0)
- return (error);
- uobj = &((struct vnode *)fp->f_data)->v_uvm.u_obj;
- uoff = SCARG(uap, pos);
- } else {
- fp = NULL;
- uobj = NULL;
- uoff = 0;
- }
-
- if (vaddr == 0)
- vaddr = uvm_map_hint(p, prot);
-
- /* prevent a user requested address from falling in heap space */
- if ((vaddr + size > (vaddr_t)p->p_vmspace->vm_daddr) &&
- (vaddr < (vaddr_t)p->p_vmspace->vm_daddr + MAXDSIZ)) {
- if (flags & UVM_FLAG_FIXED) {
- error = EINVAL;
- goto done;
- }
- vaddr = round_page((vaddr_t)p->p_vmspace->vm_daddr + MAXDSIZ);
- }
-again:
-
- if (uvm_map_findspace(&p->p_vmspace->vm_map, vaddr, size,
- &vaddr, uobj, uoff, 0, flags) == NULL) {
- if (flags & UVM_FLAG_FIXED)
- error = EINVAL;
- else
- error = ENOMEM;
- } else {
- /* prevent a returned address from falling in heap space */
- if ((vaddr + size > (vaddr_t)p->p_vmspace->vm_daddr)
- && (vaddr < (vaddr_t)p->p_vmspace->vm_daddr + MAXDSIZ)) {
- vaddr = round_page((vaddr_t)p->p_vmspace->vm_daddr +
- MAXDSIZ);
- goto again;
- }
- error = 0;
- *retval = (register_t)(vaddr);
- }
-done:
- if (fp != NULL)
- FRELE(fp);
- return (error);
-}
-
/* ARGSUSED */
int
-sys_omquery(struct proc *p, void *v, register_t *retval)
+sys_mquery(struct proc *p, void *v, register_t *retval)
{
- struct sys_omquery_args /* {
+ struct sys_mquery_args /* {
syscallarg(int) flags;
syscallarg(void **) addr;
syscallarg(size_t) size;