658b88fd7b
Modify spacing
2014-10-15 14:40:47 +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
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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
...
(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
0a808057eb
modify include lines and Makefiles
2012-12-17 16:10:56 +09:00
9a8449df2b
populate ELF header information on the initial stack so that glibc can set up TLS properly
2012-10-09 00:51:50 +09:00
8005f8455d
PTE clearing bug due to wrong unmap fixed
2012-06-08 18:12:03 +09:00
77296a31a2
largre_region creation (may not be needed)
2012-05-19 16:56:05 +09:00
7c85ac93e8
passing argc, argv and envp to main()
2012-05-10 22:07:23 +09:00
a7c0225423
futex and rlimit
2012-05-08 18:32:43 +09:00
8c34463dd4
runqueues and schedule()
2012-05-03 18:38:08 +09:00
d2591c6d25
temp
2012-01-06 17:06:42 +09:00
00107164b3
valid flag is added
2011-12-02 14:00:12 +09:00
7999653a00
a commit
2011-12-02 12:35:38 +09:00
