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131 Commits

Author SHA1 Message Date
thorpej fc96443d15 New callout mechanism with two major improvements over the old 
timeout()/untimeout() API:
- Clients supply callout handle storage, thus eliminating problems of
  resource allocation.
- Insertion and removal of callouts is constant time, important as
  this facility is used quite a lot in the kernel.

The old timeout()/untimeout() API has been removed from the kernel.
 2000-03-23 07:01:25 +00:00
jdolecek b1e34812e4 Fix obvious off-by-one error in db_output(). 
Fixes kern/9570 by John Hawkinson.
 2000-03-08 08:31:33 +00:00
sommerfeld ec2327108e On MP, print cpu number prior to prompt 2000-02-21 05:48:56 +00:00
jdolecek 8b2a23fb1a db_cmd_list(): variable ``width'' might have be used uninitialized, initialize 
it to 0
 1999-11-02 23:53:31 +00:00
lukem 4a2b49cb31 - change db_cmd_list() to list commands vertically rather than horizontally 
- sort entries in the various command tables, so that the `help' lists
  are easier to use. this included hacking db_machine_commands_install()
  to search for the "machine" entry to change the `more cmds' pointer,
  rather than assuming it was the first entry
- add a `sync' command, which is effectively `reboot 0x100'.
- remove db_help_cmd(); it was unused (and was almost a duplicate of
  db_cmd_list()).
- move some extern decls to db_output.h, since they're used in more than one
  place now
- rename NEXT_TAB to DB_NEXT_TAB and move to db_output.h
 1999-10-28 06:37:32 +00:00
kleink 522cbf0248 Update to match new SVR4-style definition names in <sys/exec_elf.h>. 1999-10-25 13:55:06 +00:00
erh 59b90d4a0e Remove ELFNAME macros which are already defines in exec_elf.h 1999-10-21 21:17:08 +00:00
jdolecek 9933da44b8 remove the MI Debugger() added recently. It doesn't make sense in 
it's current form.
make Debugger just an alias for cpu_Debugger
 1999-10-14 18:42:15 +00:00
jdolecek 7f589dba84 rename the MD Debugger() to cpu_Debugger() 
add MI Debugger() which switches to console if wscons is used prior
to calling cpu_Debugger()
 1999-10-12 17:08:56 +00:00
thorpej 40c08923a8 XXX LOCKING XXX of allproc; DDB runs with interrupts blocked, and MD 
code should suspend other processors, so this probably isn't a problem,
but the comment is added anyhow.
 1999-07-22 21:11:26 +00:00
simonb 3187dcd798 Fix tyop in error message. 1999-06-26 16:58:12 +00:00
thorpej fed8519457 Don't load the symbol table if it's corrupted. 1999-06-15 00:23:19 +00:00
pk 56aa5f9391 Cast ptrdiff_t to long for printf purposes. 1999-06-05 08:36:29 +00:00
ross 66ffb4e4d6 New format modifier: `L' gives true `long' vs `l' or `legacy' long. 1999-05-31 06:53:45 +00:00
thorpej 4b6d8943c2 Improve the pool allocator's diagnostic helpers, adding the ability to 
log on a per-pool basis, reentrancy checking, and dumping various pool
information from DDB.
 1999-05-10 21:13:05 +00:00
christos c3564f7b88 Don't go dereferencing pointers before verifying they are aligned. 1999-04-29 11:28:42 +00:00
thorpej dc63f8c31a Fix a problem where SOFTWARE_SSTEP would skip one instruction each time 
on the Alpha.
 1999-04-21 00:00:06 +00:00
pk b13e5d1469 Quote "AS IS" as in the majority of Carnegy Mellon notices. 1999-04-12 20:38:17 +00:00
pk c40eb1cd97 Fix a pasto in copyright text which has been procreating like rabbits.. 1999-04-06 20:09:18 +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
thorpej 1ab6db8e5f Fix printf format problems on Alpha. 1999-02-12 00:50:09 +00:00
augustss 332d7c138f Avoid arithmetic on `void *' since that's not ANSI C. 1999-01-08 18:10:35 +00:00
thorpej c89493522f - Make the ddb_init() interface consistent for a.out and ELF. 
- Allow DDB to run-time switch for a.out or ELF symbol table support.
 1998-12-04 20:18:05 +00:00
mycroft 26a93b8985 Do branch forking for inst_return() instructions, too. 1998-11-25 06:38:03 +00:00
jonathan 3ac3cbcfb8 Add options DDB_FROMCONSOLE and sysctl ddb.fromconsole, analagous to 
DDB_ONPANIC. Lets user ignore breaks but enter DDB on panic.  Intended
for machines where debug on panic is useful, but DDB entry is not,
(public-access console, or terminal-servers which send spurious breaks)

Add new ddb hook, console_debugger(), which decides whether or not to
ignore console ddb requests. Console drivers should be updated to call
console_debugger(), not Debugger(), in response to serial-console
break or ddb keyboard sequence.
 1998-10-29 21:22:32 +00:00
thorpej 970e60efb8 - Use proclists[], rather than checking allproc and zombproc explicitly. 
- Add some comments about locking.
 1998-09-08 23:50:13 +00:00
christos bd52ba3c5a Assign copyright to TNF. 1998-09-05 14:42:05 +00:00
rvb e2ea9195fe Indent to 4 space for tabs 2 and 3 like the rest of the code 1998-08-16 03:29:16 +00:00
ross c291189ae9 Have to fix the `(int)curproc' lossage now; kernel builds die here on alpha. 
BTW, KNF requires the additional, not-technically-need `!= NULL'.
 1998-08-15 00:04:00 +00:00
rvb a5f4270a21 Print program name when entering the debugger 1998-08-14 19:57:01 +00:00
eeh a2dd74ed79 Merge paddr_t changes into the main branch. 1998-08-13 02:10:37 +00:00
perry e1601dc2ca bzero->memset, bcopy->memcpy, bcmp->memcmp 1998-08-09 20:36:58 +00:00
tron 870e46e9c4 Include required "opt_ddb.h" header file. 1998-07-05 14:33:56 +00:00
jonathan 466e784ee1 defopt DDB. 1998-07-04 22:18:13 +00:00
tv 00ede2160e Change ddb_init() for a.out to provision for kernels which are not booted by 
the current 'bootblock' method, like the Shark, which preloads and preformats
the symbol table right in the boot code.
 1998-06-09 01:57:41 +00:00
thorpej 38f367e1a0 Whitespace. 1998-05-03 18:49:54 +00:00
pk df2b26547d If `SOFTWARE_SSTEP' is defined then kgdb_stub.c needs the single-step 
emulation in db_run.c:

	- re-arrange `db_*_single_step()' and `db_*_temp_breakpoint()' -
	  which are only used in the `SOFTWARE_SSTEP' case - so these
	  are available to the KGDB code.
	- make other code in db_run.c conditional on `DDB'.
 1998-04-03 19:45:12 +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
ross 9b463a1108 Print more info on ps/w, note the current proc, and properly declare db_maxoff. 1998-01-31 04:14:46 +00:00
pk 1581707b5d Fixes for software-assisted single-stepping from Chuck Silvers. 1997-12-10 23:09:31 +00:00
drochner 9d7d537acb Clean up usage of printf() vs db_printf(): The diagnostic messages 
when symbol tables are loaded don't belong to the user interaction,
their output lines should not be counted by ddb's builtin pager.
 1997-11-30 15:49:34 +00:00
lukem 4e3ba1ea9e s/DB_HISTORY_SIZE/DDB_HISTORY_SIZE/, for consistency with other DDB #defines 1997-11-16 23:51:23 +00:00
christos ab417737fa Add declaration for db_delete_line 1997-11-16 22:46:39 +00:00
christos 98ec14c8e6 PR/4504: Tero Kivinen: Add DB_HISTORY_SIZE option to enable history in ddb 1997-11-16 22:24:47 +00:00
chuck e0ced7363a fix printf formatting of "ps" (aka "show all proc") so that lines never 
overflow (always hated that).

replaced "/m" flag with:
	/a == show process address info
	/n == show normal process info [currently the default]
	/w == show process wait/emul info
 1997-10-24 18:26:36 +00:00
chuck c33b782b4e kill db_ksprintn, db_printf_guts, kdbprintf, db_printf. 
db_printf moves to kern/subr_prf.c and uses the new kprintf located there.
 1997-10-24 18:20:23 +00:00
chuck 58034fb20c kill kdbprintf [use db_printf] 1997-10-24 18:16:46 +00:00
pk 6282a103eb Last loop variable type change causes undesirable non-terminating loops. 
Change for-loop expressions to get the intended effect again.
 1997-09-13 18:44:55 +00:00
scottr 4658336eda Add a 'reboot' command with a single parameter specifying the boot flags. 1997-09-11 06:55:56 +00:00