bb137bc9bb
make brk region just follow data region
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This effectively reverts commit d70dd2338c
2015-02-18 11:52:15 +09:00
d2d0fc6721
The mcexec command became executable from a command-line at the same time
2015-02-17 18:33:38 +09:00
08cc31f9bf
support setrlimits/getrlimits, however this fix is these syscalls only.
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checking resource process must implement it separately.
refs #330
2015-01-27 10:35:58 +09:00
765de119dc
support PTRACE_O_TRACEFORK, PTRACE_O_TRACEVFORK, PTRACE_O_TRACEVFORKDONE.
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to start with a SIGSTOP, do not set proc->ftn->status to PS_RUNNING in __runq_add_proc().
change vfork() set CLONE_VFORK.
refs #266
refs #267
refs #372
support PTRACE_GETEVENTMSG.
to store ptrace event, add 'unsigned long ptrace_eventmsg;' member in struct fork_tree_node.
refs #273
2015-01-14 10:43:18 +09:00
912b8a886c
do_kill distinguish PTRACE_CONT from kill.
2014-12-26 15:23:11 +09:00
b1b6fab7b8
fix a warning
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| mckernel/kernel/host.c: In function 'syscall_packet_handler':
| mckernel/kernel/host.c:504:
| warning: implicit declaration of function 'find_command_line'
2014-12-22 16:58:08 +09:00
0942bf0ce0
make dkprintf() evaluate its parameters always
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Parameters of dkprintf() should be evaluated even if dkprintf() is
disabled. Because this enables to find expression of parameter obsolete
and to avoid unnecessary compiler warnings such as "unused variable".
2014-12-22 16:58:03 +09:00
a6ac906105
use ftn->pid instead of proc->pid
2014-12-22 16:58:01 +09:00
8f30e16976
when mcexec is killed by SIGKILL, terminate mckernel process (BUG#259)
2014-11-27 16:13:52 +09:00
3fe7e39607
some variables definition are gathered to fork_tree_node from process.
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- remove both-defined: pid, pgid, status
- move to fork_tree_node: tid
- make dummy fork_tree_node for idle_process.
2014-10-29 16:54:09 +09:00
658b88fd7b
Modify spacing
2014-10-15 14:40:47 +09:00
dbecaa2fc8
Add ptrace functions of job-control and signal
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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
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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
658aa18ade
add memory debug (kmalloc/kfree)
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* 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
39f36120c1
support sigqueue
2014-09-23 23:17:53 +09:00
cb4b00ba97
Added debug messages.
2014-08-28 09:16:50 +09:00
c783ec8e11
Implemented procfs.
2014-08-28 09:16:50 +09:00
f535670100
fix pipe02
2014-08-27 16:50:01 +09:00
78d10cce80
support process group
2014-08-18 17:08:28 +09:00
2f4f3628f9
support tgkill
2014-06-10 10:42:29 +09:00
badb450153
more detailed report in memory management error path
2014-05-22 17:27:39 +09:00
a4e6269c5d
adjust prepare_process_ranges_args_envs() so that it can initialize arguments and environmnt variables from kernel space strings
2014-05-22 13:45:23 +09:00
760c9ebdb0
refactor process_msg_prepare_process() in preparation for execve()
2014-05-22 13:27:25 +09:00
0e348e6295
SIGCHLD and wait4(), i.e. wait()/waitpid() implementation
2014-04-23 13:33:18 +09:00
b31a1b6db2
add PTATTR_NO_EXECUTE
2014-04-11 14:59:47 +09:00
c421965542
relocate a program interpreter to the map_start
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This commit makes a system call that dereferences a NULL pointer fail.
2014-01-14 18:55:16 +09:00
a8c249ddaf
signal (part 1)
2014-01-07 11:57:57 +09:00
03521e9c2c
add copyrights
2013-11-14 16:49:40 +09:00
d557ba84d6
exclude interpreter's segment from data region
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When an interpreter is located on the lower address (e.g. 0x0),
the text region is included in data region.
A fix to avoid this.
2013-10-30 14:28:32 +09:00
27172ad413
support private mapped file
2013-10-15 12:30:41 +09:00
4fb6620f3a
sys_getrlimit: modified to return mcexec's RLIMIT_STACK
2013-10-11 22:36:16 +09:00
040fb64b22
add terminate thread
2013-09-02 00:39:22 +09:00
1d69225532
mcexec forward signal to MIC process.
2013-08-19 12:17:23 +09:00
78d9d3fcd2
Revert "trial implementation of private file mapping"
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This reverts commit abe57218c4
2013-07-26 16:44:39 +09:00
abe57218c4
trial implementation of private file mapping
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for review only. will soon be reverted.
2013-07-26 14:40:12 +09:00
2aa5194958
rewrite sys_mmap() as sys_new_mmap()
2013-07-10 13:11:19 +09:00
d8034eeb13
propagate error code for prepare image
2013-06-05 17:38:23 +09:00
40ad744947
remove unused function add_process_large_range from source file
2013-06-02 19:38:29 +09:00
4a27a65cb0
resolved merge conflicts with futex code
2013-06-02 16:42:08 +09:00
2627d4df55
add PTATTR_FOR_USER flag to enum ihk_mc_ap_flag
2013-06-02 13:57:44 +09:00
d70dd2338c
Make mckernel/kernel/host.c set proc->vm->region.brk_start to
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(USER_END / 4) & LARGE_PAGE_MASK
so that brk won't destroy .bss section when
using debug-mode of ld.so to link shared objects.
2013-05-29 17:08:36 +09:00
da3965be11
Merge branch 'master' of postpeta.pccluster.org:mckernel
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Conflicts:
kernel/host.c
kernel/process.c
lib/include/ihk/mm.h
2013-05-28 12:49:13 +09:00
bb4caccf98
add memory allocation check
2013-05-28 12:06:41 +09:00
f8f91488b3
fix release leakage of args_envs
2013-05-28 11:52:00 +09:00
db17c4a7b0
use the PID of the mcexec as PID of the McKernel process.
2013-05-28 11:40:20 +09:00
c865f63818
disable debug msgs by default for host.c
2013-05-10 13:04:28 +09:00
e8f7fbc682
FIX Bug 1 - mckernel aborts due to out of memory access after several mcexec
2013-05-09 10:12:30 +09:00
b56c090678
FIX Bug 1 - mckernel aborts due to out of memory access after several mcexec invocations
2013-05-02 11:00:30 +09:00
e09160cce7
add generic system call forwarding
2013-04-17 20:32:33 +09:00
4693789608
change function names
2012-12-17 16:15:05 +09:00
