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31 Commits

Author SHA1 Message Date
chs 993948e989 count executable image pages as executable for vm-usage purposes. 
also, always do the VTEXT vs. v_writecount mutual exclusion
(which we previously skipped if the text or data segment was empty).
 2002-10-05 22:34:02 +00:00
thorpej d4a2567abe Fix a signed/unsigned comparison warning from GCC 3.3. 2002-08-25 19:13:08 +00:00
lukem adc783d537 add RCSIDs 2001-11-12 15:25:01 +00:00
christos 69f5770270 - add exec_read_from and make exec_elf32 use it. 
- add a macho probe function
 2001-07-14 02:08:29 +00:00
chs ac3bc537bd eliminate the KERN_* error codes in favor of the traditional E* codes. 
the mapping is:

KERN_SUCCESS			0
KERN_INVALID_ADDRESS		EFAULT
KERN_PROTECTION_FAILURE		EACCES
KERN_NO_SPACE			ENOMEM
KERN_INVALID_ARGUMENT		EINVAL
KERN_FAILURE			various, mostly turn into KASSERTs
KERN_RESOURCE_SHORTAGE		ENOMEM
KERN_NOT_RECEIVER		<unused>
KERN_NO_ACCESS			<unused>
KERN_PAGES_LOCKED		<unused>
 2001-03-15 06:10:32 +00:00
chs aeda8d3b77 Initial integration of the Unified Buffer Cache project. 2000-11-27 08:39:39 +00:00
tv c6a1ef4f70 8 spaces -> tab 2000-11-05 22:41:35 +00:00
thorpej 72a24b4eae Add an align argument to uvm_map() and some callers of that 
routine.  Works similarly fto pmap_prefer(), but allows callers
to specify a minimum power-of-two alignment of the region.
How we ever got along without this for so long is beyond me.
 2000-09-13 15:00:15 +00:00
thorpej c80a866888 MALLOC()/FREE() are not to be used for variable sized allocations. 2000-08-02 20:42:03 +00:00
thorpej cd32ace8bb ANSI'ify. 2000-08-01 04:57:28 +00:00
mjacob c9f691d778 Correct omissions inadvertantly introduced when the non-debug 
version (macro) was updated in exec.h.
 2000-07-13 09:34:23 +00:00
mrg 32aa199ccf remove include of <vm/vm.h> 2000-06-27 17:41:07 +00:00
matt d4513b2c95 Add vmcmd_readvn (which was the 2nd halt of vmcmd_map_readvn). 2000-06-21 05:41:07 +00:00
chs ded9898d88 make sure that the size we pass to uvm_map() is a multiple of PAGESIZE. 
this should fix PR 10175 and prevent the panic of PR 10079.
 2000-06-13 04:25:31 +00:00
ws 974de8f7f8 Handle misalignment in vmcmd_map_readvn and vmcmd_map_zero correctly. 1999-07-07 20:23:45 +00:00
mrg d2397ac5f7 completely remove Mach VM support. all that is left is the all the 
header files as UVM still uses (most of) these.
 1999-03-24 05:50:49 +00:00
perry 275d1554aa Abolition of bcopy, ovbcopy, bcmp, and bzero, phase one. 
bcopy(x, y, z) ->  memcpy(y, x, z)
ovbcopy(x, y, z) -> memmove(y, x, z)
   bcmp(x, y, z) ->  memcmp(x, y, z)
  bzero(x, y)    ->  memset(x, 0, y)
 1998-08-04 04:03:10 +00:00
thorpej 80e25bcca0 Don't cast the null residual pointer passed to vn_rdwr(). 1998-07-28 18:11:39 +00:00
chuck 5ad9218203 fix uvm-related protection error: we can't write protect the 
vmcmd_map_readvn() area until after we do vn_rdwr().  should fix
problem reported by sean doran.
 1998-02-23 18:53:22 +00:00
mrg d90485202c - add defopt's for UVM, UVMHIST and PMAP_NEW. 
- remove unnecessary UVMHIST_DECL's.
 1998-02-10 14:08:44 +00:00
mrg 1a8c7604f4 initial import of the new virtual memory system, UVM, into -current. 
UVM was written by chuck cranor <chuck@maria.wustl.edu>, with some
minor portions derived from the old Mach code.  i provided some help
getting swap and paging working, and other bug fixes/ideas.  chuck
silvers <chuq@chuq.com> also provided some other fixes.

this is the rest of the MI portion changes.

this will be KNF'd shortly.  :-)
 1998-02-05 07:59:28 +00:00
cgd 3b34cba879 exec vnode locking protocol changes: in a nutshell, don't keep vnodes 
locked for any longer than we have to.
 1996-09-30 23:18:43 +00:00
mycroft 90ef05a32c Use common fdclose() rather than a private version. 1994-12-04 03:10:40 +00:00
cgd cf92afd66e New RCS ID's, take two. they're more aesthecially pleasant, and use 'NetBSD' 1994-06-29 06:29:24 +00:00
cgd 4ee1fbae2f cast, also, use vm_map_protect rather than vm_protect 1994-05-23 03:04:57 +00:00
cgd 304e374292 expand uid_t/gid_t/off_t 1994-03-27 09:08:02 +00:00
jtc 5235180083 Fix spelling error in Copyright notice 1994-01-28 23:43:26 +00:00
cgd 92cb33abed add function for FD handling 1994-01-16 03:07:33 +00:00
cgd 6c7058a8ea EXEC_DEBUG -> DEBUG, and trim extra debugging code, for now 1994-01-13 02:29:32 +00:00
cgd 34ea9285e9 de-macroify kill_vmcmds() 1994-01-08 18:05:29 +00:00
cgd 957ce06f24 far reaching but relatively minor cleanup and slight reorg of exec code 1994-01-08 07:14:24 +00:00