Commit Graph

661 Commits

Author SHA1 Message Date
bb137bc9bb make brk region just follow data region
This effectively reverts commit d70dd2338c.
2015-02-18 11:52:15 +09:00
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
6485578a7f sched_yield implementation 2015-02-17 16:20:51 -08:00
d2d0fc6721 The mcexec command became executable from a command-line at the same time 2015-02-17 18:33:38 +09:00
9574a28a5f The same CPU is assigned to a different process.
refs #423
2015-02-17 18:27:46 +09:00
dbe4ec3247 support PTRACE_O_TRACECLONE and PTRACE_O_TRACEEXEC. 2015-02-17 17:00:48 +09:00
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
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
8568a73f33 traced process should stop by any signal except for SIGKILL,
even if SIG_IGN.  (LTP ptrace01)
2015-02-17 16:51:29 +09:00
8b57b2ee57 change signal handling at mcexec 2015-02-15 17:54:11 +09:00
9a36e7b84a restart waitpid if it returns with EINTR. 2015-02-13 16:00:40 +09:00
d998691425 fix setpgid(0, 0) 2015-02-13 13:51:00 +09:00
8cdf70c500 Enable AVX extensions for processors that support it. 2015-02-12 17:51:50 -08:00
0e0bc548f6 fix mcexec SIG_IGN 2015-02-12 19:02:58 +09:00
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
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
d30d8fe71c support getcpu() system call. refs #385
It appeared on Linux(x86) in kernel 3.1.
2015-02-10 18:35:41 +09:00
a5bdd41c3d procfs: check parent entry to avoid page fault in procfs_exit() 2015-01-31 22:27:13 -08:00
5f5ab34559 support PTRACE_ATTACH.
fix PTRACE_TRACEME, PTRACE_DETACH.
2015-01-30 21:02:01 +09:00
b26fa4e87c wrong send signal to sender process when kill other process group (LTP kill10)
refs #404
2015-01-29 16:14:31 +09:00
bd5f43b119 support PTRACE_SINGLESTEP.
support debug/int3 exception.
2015-01-29 15:48:05 +09:00
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
e30946f1f0 fix PTRACE_CONT may cause error.
refs #369
2015-01-29 14:10:31 +09:00
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
9c35935671 mcexec: fix memory allocation bug that crashes CentOS7 glibc 2015-01-27 16:55:30 +09:00
ed33ee65b2 CentOS7 spinlock, procfs and vm_munmap support (i.e., Linux kernel 3.10) 2015-01-27 16:55:28 +09:00
d04b5a09bd PTRACE_KILL omit sched_wakeup_process return
refs #369
2015-01-27 10:55:49 +09:00
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
cf2166f830 function enter_user_mode calls check_signal.
refs #392
2015-01-16 14:28:28 +09:00
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
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
74f0aec478 skip copy_to_user() when r->ret is negative error number in mckernel_procfs_read().
refs #370
2015-01-08 12:38:06 +09:00
e3eb7e68bc Fix need to modify ihk/cokernel/Makefile when a file has been added under mckernel/arch (Bug#365) 2014-12-26 16:05:23 +09:00
912b8a886c do_kill distinguish PTRACE_CONT from kill. 2014-12-26 15:23:11 +09:00
e25d35a191 ihk_mc_init_ap(): cosmetics for reporting IKC, trampoline info 2014-12-25 11:05:52 +09:00
a9aad67541 IHK-SMP: boot scripts placeholder 2014-12-25 11:03:07 +09:00
cd6e663f48 handle VM_RESERVED (non-existing since Linux 3.7.0) and do_mmap_pgoff() (unexported since Linux 3.5.0) in mcctrl's syscall.c 2014-12-25 11:03:05 +09:00
5f095b3952 McKernel IHK SMP-x86 support (build system and config files) 2014-12-25 11:03:04 +09:00
811a275176 build scripts: support for separate build and source directories 2014-12-25 11:03:03 +09:00
b388f59ebd ihk_ikc_irq and ihk_ikc_irq_apicid 2014-12-25 11:03:01 +09:00
ff47261337 receive trampoline addr via parameter of arch_start() 2014-12-25 11:03:00 +09:00
a91bf9a13d ptrace: Make PTRACE_CONT/KILL debug print separated. 2014-12-24 12:39:29 +09:00
fcfa94cea1 ptrace: Add PTRACE_O_TRACEFORK (fake) support. 2014-12-24 12:39:13 +09:00
55f7ee1526 fix a warning
| mckernel/kernel/../arch/x86/kernel/memory.c: In function '__set_pt_page':
| mckernel/kernel/../arch/x86/kernel/memory.c:367:
|     warning: 'init_pt_lock_flags' may be used uninitialized in this function
2014-12-22 17:03:32 +09:00
b1b6fab7b8 fix a warning
| 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
391886a6f1 fix a warning
| mckernel/kernel/syscall.c: In function 'do_syscall':
| mckernel/kernel/syscall.c:187:
|     warning: 'irqstate' may be used uninitialized in this function
2014-12-22 16:58:07 +09:00
c810afe224 fix a warning
| mckernel/kernel/syscall.c: In function 'sys_madvise':
| mckernel/kernel/syscall.c:2108:
|     warning: 'range' may be used uninitialized in this function
2014-12-22 16:58:06 +09:00
5566ed1a63 fix a warning
| mckernel/executer/kernel/control.c: In function ‘release_handler’:
| mckernel/executer/kernel/control.c:264: warning: unused variable ‘c’
2014-12-22 16:58:05 +09:00
f0f91d2246 fix a warning
| mckernel/executer/kernel/control.c: In function ‘mcexec_debug_log’:
| mckernel/executer/kernel/control.c:252: warning: unused variable ‘c’
2014-12-22 16:58:04 +09:00
0942bf0ce0 make dkprintf() evaluate its parameters always
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