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f84b5acf791393f7f86fb1ef28a525b153f15a23
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484 Commits

Author SHA1 Message Date
NAKAMURA Gou
f84b5acf79 map entire buffer to read procfs 
Reading data from procfs file more than 4096 byte caused a buffer
overrun in McKernel because the buffer was always mapped in McKernel
4096 byte regardless of actual buffer size.
 2015-03-05 20:30:33 +09:00
Balazs Gerofi
8b24f60861 Combine range and memobj flags before arch_vrflag_to_ptattr() 2015-03-05 16:40:14 +09:00
Balazs Gerofi
f82bb284bb Make pager and devobj debug messages optional 2015-03-05 16:03:21 +09:00
Balazs Gerofi
bf12a5c45e Introduction of write-combined memory type mappings. 
Introduction of VR_WRITE_COMBINED, PTATTR_WRITE_COMBINED and modification
to the memobj's get_page() interface so that Linux communicates back mapping
flags (such as write-combined).
 2015-03-05 16:03:21 +09:00
Tomoki Shirasawa
e6011be1af create area for to save fp regs 
refs #421
 2015-03-05 12:18:46 +09:00
NAKAMURA Gou
daec7de828 implement /proc/stat 
only for sysconf(_SC_NPROCESSORS_ONLN).  This enables Intel OpenMP
runtime to arrange threads with regard for CPU topology.

refs #291
 2015-03-04 15:46:53 +09:00
NAKAMURA Gou
9ad48083aa make PTRACE_POKETEXT use patch_process_vm() 2015-03-04 12:04:54 +09:00
NAKAMURA Gou
2eac58aab3 add patch_process_vm(). (in progress) 
This function patches specified range of specified user space even if
the range is not writable.

refs #401
 2015-03-04 12:00:51 +09:00
NAKAMURA Gou
22d8d169b6 change copy-out routines 
- restrict copy_to_user() to only current process.
- add write_process_vm() to write specified process space.
 2015-03-04 11:29:16 +09:00
NAKAMURA Gou
063fa963c3 change copy-in routines 
- restrict copy_from_user() to only current process.
- add read_process_vm() to read specified process space.
 2015-03-04 11:29:15 +09:00
NAKAMURA Gou
2239a6b09b modify page_fault_process() 
- change its argument from 'struct process *'
                        to 'struct process_vm *'.
- change its name from 'page_fault_process()'
                    to 'page_fault_process_vm()'.
- allow to resolve a fault on the process_vm of another process.
 2015-03-04 11:29:15 +09:00
Susumu Komae
8c179d506a support PTRACE_ARCH_PRCTL. 
refs #420
 2015-03-03 14:22:57 +09:00
Tomoki Shirasawa
8caeba7cba support PTRACE_GETSIGINFO and PTRACE_SETSIGINFO 
refs #422
 2015-03-03 09:54:57 +09:00
NAKAMURA Gou
fab2c2aa97 wrap x86_regs with x86_user_context 
and, rename x86_regs to x86_basic_regs.
 2015-02-26 17:43:10 +09:00
Susumu Komae
026164eda4 fix PTRACE_ATTACH, PTRACE_DETACH, detach at tracer process terminated. 
tracee process may have no parent, increment/decrement refcount.

refs #374
refs #280
 2015-02-25 21:09:44 +09:00
Tomoki Shirasawa
73743eeeb0 temporary fix for waiting tracee blocked 2015-02-24 15:20:32 +09:00
Tomoki Shirasawa
f35cc66d18 delete unused argument "ctx" from do_syscall 
support waitid option "WNOWAIT"
 2015-02-23 17:14:14 +09:00
Tomoki Shirasawa
d9cf1d49b1 support waitid 
send SIGCHLD to parent when SIGSTOP or SIGCONT received

refs #425
refs #283
 2015-02-22 20:05:30 +09:00
Balazs Gerofi
0307f6a6cc impementation of sched_{setparam, getparam, setscheduler, getscheduler, get_priority_min, get_priority_max, rr_get_interval} system calls 2015-02-19 11:46:03 -08:00
NAKAMURA Gou
0dee04f16b move parse_args() to after arch_init() 
In attached-mic, bootparam is not mapped until arch_init() is finished.
In builtin-mic and builtin-x86, virtual address of bootparam is changed
in arch_init().
 2015-02-18 20:49:46 +09:00
NAKAMURA Gou
0e98e87b95 change type of kprintf_lock() to "unsigned long" 
to match type of ihk_mc_spinlock_lock().
 2015-02-18 20:49:46 +09:00
NAKAMURA Gou
037e17c4ed fix parsing of "osnum=" kargs 2015-02-18 16:44:14 +09:00
Susumu Komae
2baf274dac fix PTRACE_O_TRACEFORK, PTRACE_O_TRACEVFORK and PTRACE_O_TRACECLONE. 
allocate debug registers area, for new process.
(gdb testsuite gdb.base/inferior-died.exp)

refs #266
refs #372
 2015-02-18 16:20:23 +09:00
Tomoki Shirasawa
c0edb6fe6f add new cpu state CPU_STATUS_RESERVED 2015-02-18 13:46:08 +09:00
NAKAMURA Gou
bb137bc9bb make brk region just follow data region 
This effectively reverts commit d70dd2338c.
 2015-02-18 11:52:15 +09:00
NAKAMURA Gou
16af976a71 support msync() system call. refs #382 
Msync(2) of this version writes only the pages which the calling process
modified. Modifications of the other processes are not written.
 2015-02-18 11:52:15 +09:00
Balazs Gerofi
6485578a7f sched_yield implementation 2015-02-17 16:20:51 -08:00
Tomoki Shirasawa
d2d0fc6721 The mcexec command became executable from a command-line at the same time 2015-02-17 18:33:38 +09:00
Tomoki Shirasawa
9574a28a5f The same CPU is assigned to a different process. 
refs #423
 2015-02-17 18:27:46 +09:00
Susumu Komae
dbe4ec3247 support PTRACE_O_TRACECLONE and PTRACE_O_TRACEEXEC. 2015-02-17 17:00:48 +09:00
Susumu Komae
99debc548f detach traced process, when tracer process terminate. 
some fixes on PTRACE_DETACH.

refs #374
refs #280
 2015-02-17 16:58:29 +09:00
Susumu Komae
fa15f6b106 support PTRACE_SYSCALL. 
support PTRACE_O_TRACESYSGOOD.
ptrace_report_exec() calls ptrace_report_signal().

refs #265
 2015-02-17 16:56:27 +09:00
Tomoki Shirasawa
d998691425 fix setpgid(0, 0) 2015-02-13 13:51:00 +09:00
Tomoki Shirasawa
0e0bc548f6 fix mcexec SIG_IGN 2015-02-12 19:02:58 +09:00
NAKAMURA Gou
d21ae28843 add dummy NUMA system calls. refs #405 
ENOSYS system call handlers for the following.
- get_mempolicy()
- mbind()
- migrate_pages()
- move_pages()
- set_mempolicy()
 2015-02-10 21:16:19 +09:00
NAKAMURA Gou
a4a806bef7 support vsyscall_getcpu() vsyscall. refs #385 
This version simply calls getcpu() system call, so that it's not fast.
 2015-02-10 18:35:48 +09:00
NAKAMURA Gou
d30d8fe71c support getcpu() system call. refs #385 
It appeared on Linux(x86) in kernel 3.1.
 2015-02-10 18:35:41 +09:00
Susumu Komae
5f5ab34559 support PTRACE_ATTACH. 
fix PTRACE_TRACEME, PTRACE_DETACH.
 2015-01-30 21:02:01 +09:00
Susumu Komae
bd5f43b119 support PTRACE_SINGLESTEP. 
support debug/int3 exception.
 2015-01-29 15:48:05 +09:00
Susumu Komae
f97f8dbab3 support PTRACE_PEEKTEXT and PTRACE_PEEKDATA. 
support PTRACE_POKETEXT and PTRACE_POKEDATA.
  now, force write anywhere.
  read-only page must copy-on-write.
 2015-01-29 15:02:15 +09:00
Susumu Komae
e30946f1f0 fix PTRACE_CONT may cause error. 
refs #369
 2015-01-29 14:10:31 +09:00
Susumu Komae
c3ade864d9 fix PTRACE_PEEKUSER, PTRACE_POKEUSER, PTRACE_GETREGS. 
support PTRACE_SETREGS.
  In struct process, add 'unsigned long *ptrace_debugreg', instead of 'struct user *userp'.
  debug registers are read/written from/to ptrace_debugreg, save/restore in schedule().
  most general registers are proc->uctx.
  fs_base is proc->thread.tlsblock_base.
  gs_base,ds,es,fs,gs and orig_rax are uncompleted.
  other members in 'struct user' are ignored, same as Linux implementation.

refs #257
refs #373
refs #263
 2015-01-29 14:08:38 +09:00
Tomoki Shirasawa
d04b5a09bd PTRACE_KILL omit sched_wakeup_process return 
refs #369
 2015-01-27 10:55:49 +09:00
Tomoki Shirasawa
08cc31f9bf support setrlimits/getrlimits, however this fix is these syscalls only. 
checking resource process must implement it separately.

refs #330
 2015-01-27 10:35:58 +09:00
Susumu Komae
765de119dc support PTRACE_O_TRACEFORK, PTRACE_O_TRACEVFORK, PTRACE_O_TRACEVFORKDONE. 
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
Susumu Komae
d46110b4d9 support PTRACE_DETACH. 
change getppid() to use proc->ftn->ppid_parent->pid, for ptraced process.

refs #280
 2015-01-08 12:39:52 +09:00
Tomoki Shirasawa
912b8a886c do_kill distinguish PTRACE_CONT from kill. 2014-12-26 15:23:11 +09:00
Balazs Gerofi
5f095b3952 McKernel IHK SMP-x86 support (build system and config files) 2014-12-25 11:03:04 +09:00
Naoki Hamada
a91bf9a13d ptrace: Make PTRACE_CONT/KILL debug print separated. 2014-12-24 12:39:29 +09:00
Naoki Hamada
fcfa94cea1 ptrace: Add PTRACE_O_TRACEFORK (fake) support. 2014-12-24 12:39:13 +09:00