| Commit message (Collapse) | Author | Age | Files | Lines |
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These are all the dwarfless analogs to $arch/syscalls.stp.
(Only i686 and x86_64 have been tested...)
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The new code uses a %( kernel_v < "2.6.29" %) conditional to look at
the passed pt_regs instead of named *bx parameters. A more general
solution will be needed at some point.
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* buildrun.cxx (compile_pass): Add autoconf-x86-gs.c.
* tapset/i686/registers.stp (_stp_register_regs): Update offsets.
(test_x86_gs): Auxiliary function.
* runtime/autoconf-x86-gs.c : New file.
* testsuite/systemtap.base/x86_gs.exp : New test case.
* testsuite/systemtap.base/x86_gs.stp : Ditto.
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This now checks that CONTEXT->regs actually exists, and that the
requested offset is in the correct range.
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2008-07-14 David Smith <dsmith@redhat.com>
* tapsets.cxx
(utrace_var_expanding_copy_visitor::visit_target_symbol):
Synthesize a function to get the value of $syscall.
2008-07-14 David Smith <dsmith@redhat.com>
* i686/registers.stp: Removed syscall_nr function.
* x86_64/registers.stp: Ditto.
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2008-06-09 David Smith <dsmith@redhat.com>
* tapsets.cxx
(utrace_var_expanding_copy_visitor::visit_target_symbol): Calls
'syscall_nr' to get the value of '$syscall'.
2008-06-09 David Smith <dsmith@redhat.com>
* x86_64/registers.stp (syscall_nr): Added syscall_nr function.
* i686/registers.stp (syscall_nr): Ditto.
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It doesn't seem that regparm() is actually used, but I saw compilation
errors when I compiled with -u.
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PR 4311 - Function boundary tracing without debuginfo: Phases 1 and 2
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{s|u}64_arg(), etc. Added asmlinkage(), fastcall(), regparm().
Dealt with some surprises -- e.g., rax is ZERO-extended eax.
Seems to work well with -m32 and -m64 user apps, and with a (small)
dwarfless subset of syscall.stp.
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Still missing: arg64(), _stp_copy_from_user stack, .linkage clause,
tests, docs.
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* ppc64/syscalls.stp: Remove a bunch of
non-ppc64 specific probes.
* syscalls.stp (compat_sys_epoll_ctl): New.
(compat_sys_epoll_wait): New.
(sys_epoll_pwait): New.
(compat_sys_epoll_pwait): New.
(compat_sys_keyctl): New.
(compat_sys_mq_open): New.
(compat_sys_futex): New.
(compat_sys_mq_timedsend): New.
(compat_sys_mq_timedreceive): New.
(compat_sys_mq_notify): New.
(compat_sys_mq_getsetattr): New.
(init_module): Make optional and quote args.
(sys_eventfd): New.
* syscalls2.stp (sys_splice): New.
(sys_vmsplice): New.
(compat_sys_vmsplice): New.
(sys_tee): New.
(sys_signalfd): New.
(compat_sys_signalfd): New.
(sys_timerfd): New.
(compat_sys_timerfd): New.
(old32_readdir): New.
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* tapset/syscalls.stp (syscall.compat_execve,
syscall.compat_execve.return):
* tapset/syscalls2.stp (syscall.compat_sys_semtimedop,
syscall.compat_sys_semtimedop.return):
* tapset/i686/syscalls.stp (syscall.set_zone_reclaim,
syscall.set_zone_reclaim.return): Make optional.
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* */syscalls.stp: Added mmap functions.
Continued moving common compatibility functions to
the main tapset.
* aux_syscalls.stp (_shmat_flags_str): New.
(__get_compat_argv): New.
* syscalls.stp (adjtimex): Just print hex argument.
(compat_adjtimex): New.
(clock_getres): Also probe compat_clock_getres.
(clock_gettime): Also probe compat funcs.
(compat_clock_nanosleep): New.
(compat_execve): New.
(fstatat): New.
(get[e][gu]id): Also probe sys32.
(getsockopt): Make optional. Also probe compat.
(mmap, mmap2): These are arch-specific, so move to individual
architecture subdirs.
(compat_sys_msgctl): New.
(compat_sys_msgrcv): New.
(compat_sys_msgsnd): New.
* syscalls.stp (pread32): Remove. It calls pread64 .
(quotactl): Make optional.
(recv): Probe correct function.
(recvfrom): Fix args.
(compat_sys_recvmsg): New.
(semctl): Make optional.
(compat_sys_semctl): New.
(semget): Make optional.
(semop): Make optional.
(semtimedop): Make optional.
(compat_sys_semtimedop): New.
(send): Make optional.
(sendmsg): Make optional.
(compat_sys_sendmsg): New.
(sendto): Make optional.
(setsockopt): Make optional. Add compat.
(shmat): New.
(compat_sys_shmat): New.
(shmctl): New.
(compat_sys_shmctl): New.
(shmdt): New.
(shmget): New.
(shutdown): Make optional.
(socket): Make optional.
(socketpair): Make optional.
(swapoff): Make optional.
(swapon): Make optional.
(sysctl): Add probe on sys32.
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* syscall*.stp: Major reorganization work.
* aux_syscalls.stp (_sigprocmask_how_str): Rewrite
in C so real arch-dependent header files
will be used.
(_mlockall_flags_str): Ditto.
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* syscalls2.stp: Added compat_sys_pause to syscall.pause.
* syscalls.stp: Added sys_lstat64 to syscall.lstat.
Added compat_sys_gettimeofday to syscall.gettimeofday.
* ppc64/syscalls.stp: Remove sys_lstat64.
* i686/syscalls.stp: Remove sys_lstat64.
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make sys_request_key optional on i386
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* conversions.stp (user_string): Don't generate errors
on faults, just return <unknown>.
(user_string2): New function.
(user_string_warn): New function.
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* errno.stp: Add octal option for returnstr.
* [i686,x86_64]/syscalls.stp (umask): Print args and return
in octal.
(add_key): Comment out. This syscall is added by a xen patch
and may not be present.
(tux): Ditto.
* syscalls.stp (accept): Fix arg name.
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* syscall*.stp: Change "0x%p" to "%p".
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* conversions.stp (hexstring, string): Removed functions. Because
of parser changes, "string" is now a reserved word and cannot be a
function name. Use 'sprintf("0x%x", num)' to replace hexstring()
and either 'sprint(num)' or 'sprintf("%d", num)' to replace
string().
* syscalls.stp (syscall.accept, syscall.alarm, syscall.close,
syscall.dup, syscall.epoll_create, syscall.exit, syscall.fchdir,
syscall.fdatasync, syscall.fsync, syscall.getsid) Changed
'string()' calls to 'sprint()' calls.
* syscalls2.stp (syscall.sched_get_priority_max,
syscall.sched_get_priority_min, syscall.sched_getscheduler,
syscall.setfsgid, syscall.setfsgid16, syscall.setfsuid,
syscall.setfsuid16, syscall.setgid, syscall.setgid16,
syscall.setuid, syscall.setuid16, syscall.ssetmask,
syscall.timer_delete, syscall.timer_getoverrun): Ditto.
* i686/syscalls.stp (syscall.iopl, syscall.rt_sigreturn,
syscall.sigreturn): Ditto.
* ppc64/syscalls.stp (syscall.ppc64_personality): Ditto.
* x86_64/syscalls.stp (kernel.syscall.iopl, kernel.syscall.umask):
Ditto.
* test/ctostp.sh: Uses 'sprint()' instead of 'string()' in
generated systemtap code.
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sys_acct
sys_add_key
sys_quotactl
sys_request_key
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sys_fstat
sys_getegid16
sys_geteuid16
sys_getgid16
sys_getgroups16
sys_getuid16
sys_lstat
sys_mmap2
sys_setgroups16
sys_stat
More works need to be done here.
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* syscalls.stp: New syscall file.
* syscall2.stp: More syscalls.
* i686/syscalls.stp: x86-specific calls.
* x86_64/syscalls.stp: x86_64-specific calls.
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