Commit Graph

460 Commits

Author SHA1 Message Date
8460a7d93e siginfo.si_status was invalid 2014-10-15 15:27:32 +09:00
8a6ffa8542 fix ptrace(PTRACE_PEEKUSER), store register value to *data 2014-10-15 14:56:45 +09:00
a150a19393 ptrace: Bug fixed.
see: http://postpeta.pccluster.org/redmine/issues/265#note-3
2014-10-15 14:56:30 +09:00
f0f31e19fb procfs: PTRACE_O_TRACESYSGOOD (fake) 2014-10-15 14:56:11 +09:00
fef946e5ff support PTRACE_GETREGS 2014-10-15 14:55:49 +09:00
4b46330624 support ptrace(PTRACE_PEEKUSER, ...) 2014-10-15 14:54:33 +09:00
a101aa0534 ptrace: Temporal fix for signal inconsistency. 2014-10-15 14:52:32 +09:00
1f120b929b ptrace: Make unimplemented ptrace requests return error. 2014-10-15 14:50:11 +09:00
f28eb0a672 Fix taking exit status when wait4()-ing stopped 2014-10-15 14:49:36 +09:00
95dd193fd6 Fix reporting of having done execve to ptracer 2014-10-15 14:49:23 +09:00
2997274470 Make __WCLONE option for wait4(2) and flags for clone(2) work properly. 2014-10-15 14:45:58 +09:00
66db108dd3 Use erase-safe Ver. of list traversal in waitpid 2014-10-15 14:42:52 +09:00
013d3e95c2 Fix manipulation of fork_tree_node for ptrace 2014-10-15 14:42:17 +09:00
658b88fd7b Modify spacing 2014-10-15 14:40:47 +09:00
da17625be9 gdb: definitions for ptrace() and syscall part of TRACEME 2014-10-15 14:30:17 +09:00
dbecaa2fc8 Add ptrace functions of job-control and signal
Note that a forked process automatically becomes ptraced state in this
commit.
2014-10-15 14:28:55 +09:00
aa05f00e7e don't map syscall pages into process space
Request pages, response pages, and a doorbell page are mapped into
process space to enable user processes to delegate system calls
directly to mcctrl/mcexec.

This commit removes these mappings for the following reasons.
- These mappings cause a memory leak in current fork() implementation.
- These mappings are not used.
- These mappings do not function properly.
  And the fix which corrects function of these mappings is not easy.
2014-10-10 16:20:38 +09:00
6415559a81 procfs: use current cpu's syscall_channel 2014-10-10 16:20:38 +09:00
658aa18ade add memory debug (kmalloc/kfree)
* support "memdebug" mckernel option
* check buffer overrun when memory free and next mcexec run
* check double free
* check memory leak when next mcexec run
2014-10-07 15:45:16 +09:00
905fb9abb6 devobj: relax the size limit to 512 pages 2014-09-25 18:07:31 +09:00
a0c5d5c5de Merge branch 'master' of postpeta.pccluster.org:mckernel 2014-09-23 23:18:27 +09:00
39f36120c1 support sigqueue 2014-09-23 23:17:53 +09:00
a7b0880a8d Make findthread_and_lock take ihk_spinlock_t ** 2014-09-23 12:03:48 +09:00
43e54dcf85 procfs: fix for http://postpeta.pccluster.org/redmine/issues/119#note-30 2014-09-22 10:46:33 +09:00
55aeceb1bf execve()/creat(): handle NULL env correctly and support for holding executable file so that write access returns ETXTBSY 2014-09-18 21:25:04 +09:00
e5917e6bf1 Revert "fix warnings"
This reverts commit fbd33470e7.
2014-09-17 19:59:37 +09:00
f267b65fba Revert "marker"
This reverts commit b361012563.
2014-09-17 19:59:36 +09:00
b13b8e91b2 Revert "exit_group 時に空きページ数を表示する"
This reverts commit 219291f40f.
2014-09-17 19:59:33 +09:00
7e12f0db72 Revert "テスト支援コード"
This reverts commit 054cb2ada2.
2014-09-17 19:59:32 +09:00
776dfff734 Revert "terminate するときに空きページ数を表示するようにした"
This reverts commit d4ffe7db8d.
2014-09-17 19:59:29 +09:00
d692b57a67 Revert "idle 開始時に free_list の状況を表示する"
This reverts commit ec47968a48.
2014-09-17 19:59:27 +09:00
c9f8bb0201 mmap: support device mapping (in progress) refs #218 2014-09-17 19:52:00 +09:00
438c7fd784 add devobj a new memobj 2014-09-17 19:48:02 +09:00
fdb86115a8 add pager requests for device mapping
- PAGER_REQ_MAP
  map specified file, and create a private device pager.
- PAGER_REQ_UNMAP
  destroy specified private device pager, and unmap related mapping.
- PAGER_REQ_PFN
  report a physical address.
2014-09-17 19:48:00 +09:00
f641090a7e support uncachable on-demand mapping 2014-09-17 19:47:58 +09:00
ec47968a48 idle 開始時に free_list の状況を表示する 2014-09-17 19:46:52 +09:00
d4ffe7db8d terminate するときに空きページ数を表示するようにした 2014-09-17 19:46:50 +09:00
054cb2ada2 テスト支援コード
- vm_range_list のテスト支援コード
- vm_range 一致確認用関数追加
  できれば、指定範囲内の変更を無視させたいのだが、
  指定範囲内の変更のために split されたエントリを無害と判断できない
- page table のテスト支援コード
2014-09-17 19:46:48 +09:00
219291f40f exit_group 時に空きページ数を表示する 2014-09-17 19:46:46 +09:00
b361012563 marker 2014-09-17 19:46:41 +09:00
fbd33470e7 fix warnings 2014-09-17 19:46:39 +09:00
d7436652bf procfs: add support for <pid>/mem files and ad hoc fix for memory incoherency. 2014-09-17 15:49:47 +09:00
878ba35804 /proc/mcos?/<pid>/task/<tid>/stat support 2014-09-15 19:21:27 +09:00
f7780cfe93 kmalloc()/kfree(): allow CPU cores to kfree() a piece of memory that was kmalloc()ed by another core through embedding CPU id into malloc_header 2014-09-14 23:22:43 +09:00
225509786f do_fork(): fix variable name when DEBUG_PRINT_SC enabled 2014-09-11 16:58:59 +09:00
7e6fbc4854 Support negative first argument in waitpid
Make waitpid wait any process with the pgid of -<1st-arg> when setting
minus value to the first argument.
2014-09-11 15:20:32 +09:00
c78be27442 Support SIGSTOP and SIGCONT 2014-09-10 18:19:39 +09:00
7ca4ca4d37 Revert "Support SIGSTOP and SIGCONT"
This reverts commit 2325d47952.
2014-09-10 18:19:17 +09:00
2325d47952 Support SIGSTOP and SIGCONT 2014-09-10 17:01:21 +09:00
b50e205a61 Support pid of zero when calling waitpid
Make waitpid wait any process with the same pgid of the caller when
setting zero to the pid argument.
2014-09-10 17:01:05 +09:00