| Commit message (Collapse) | Author | Age | Files | Lines |
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* sym.h (_stp_module): Add text_size, lock, and unwind data
pointer.
* sym.c (_stp_find_module_by_addr): New function.
(_stp_kallsyms_lookup): Call _stp_find_module_by_addr().
(_stp_get_unwind_info): New.
* runtime.h: Move debug macros to debug.h. Include it.
* debug.h: New file.
* map.c: Update debug calls.
* map-gen.c: Update debug calls.
* pmap-gen.c: Update debug calls.
* mempool.c: New file.
* symbols.c: Use rwlocks. Use new dbug macros. Handle
unwind info if present.
* transport.c: Include mempool.c. Update dbug and kbug calls
to new macros.
* transport_msgs.h (_stp_command_name): Add
struct containing message names for debugging.
* control.c, procfs.c: Use new dbug macros. Use
new mempool functions.
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* symbols.c (send_module): Simplify and use new send_data() function to keep
longword alignment.
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2008-01-12 Frank Ch. Eigler <fche@elastic.org>
PR 5603 horrible hack.
* symbols.c (do_kernel_symbols): Make buf[256] instead of [128].
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Changes to separate the symbols from the command channel.
* cap.c (init_cap): Add CAP_DAC_OVERRIDE.
* staprun.h: Change init_ctl_channel prototype.
* ctl.c (init_ctl_channel): Modify to open either
a command or symbol channel. Use ".cmd" and ".symbols"
as the new names.
* mainloop.c (init_stapio): Call init_ctl_channel(0);
* staprun.c (cleanup): Call stop_symbol_thread().
(main): Call start_symbol_thread().
* staprun_funcs.c (handle_symbols): Make a thread.
(start_symbol_thread): New.
(stop_symbol_thread): New.
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Merge from setuid-branch. Changes also by Martin Hunt
<hunt@redhat.com>.
* staprun.c (init_staprun): Drop CAP_SYS_ADMIN when we're done
with it.
(main): Calls parse_modpath instead of path_parse_modname. Just
call parse_modpath with argv[optind]. Let it allocate and set
modpath and modname. If no modulename was given, display usage
and exit. Drop CAP_SYS_NICE when we're done with it. Set
atexit(exit_cleanup) so cleanup always gets called and modules get
removed. Call handle_symbols.
(run_stapio): Set argv[0] to stapio so that it executes as itself
instead of staprun.
(cleanup): Only do cleanups once and only try to remove module
when appropriate.
(exit_cleanup): New. Calls cleanup().
(mountfs): Sets uid to root before making directory and then
restores uid.
(setup_ctl_channel): Uses DEBUGFS define and improved
error message.
(setup_relayfs): Ditto.
(setup_oldrelayfs): Uses DEBUGFS and RELAYFS defines.
(run_stp_check): Replaced by mountfs().
(mountfs): New function. Replaces an external script with C code.
(init_staprun): Calls mountfs() instead of run_stp_check().
* staprun.h: Renamed path_parse_modname to parse_modpath. Added
MODULE_NAME_LEN define. Added [_][p]err macros. Removed
VERSION_CMD.
* mainloop.c (cleanup_and_exit): Make sure initialized is 2
before exiting with code 2.
(stp_main_loop): Set initialized to 2 when STP_TRANSPORT
is received. Call cleanup_and_exit() with proper status.
(start_cmd): exit 1 instead of -1.
(system_cmd): Ditto.
(init_staprun): Renamed init_stapio.
(cleanup_and_exit): Set exit status.
* cap.c: New file.
* common.c: New file.
* stapio.c: New file.
* staprun_funcs.c: New file.
* Makefile: Removed.
* symbols.c (get_sections): Move the filter code up so that
uninteresting section names are filtered out before
attempting to open them.
(do_kernel_symbols): Better detect overfow conditions and realloc
new space.
(do_module): After sending all modules, send a null message to
indicate we are finished.
* ctl.c (init_ctl_channel): When attempting to attach, if the
control channel doesn't exist, print a better error message.
* relay_old.c (init_oldrelayfs): Errors out if
open_relayfs_files() couldn't open any files.
PR 4795
* mainloop.c (send_request): Fixed buffer overflow check.
* staprun.h: Added buffer overflow checking versions of
strcpy/sprintf/snprintf.
* common.c (path_parse_modname): Checks for overflows on
strcpy/sprintf/snprintf.
(read_buffer_info): Ditto.
* ctl.c (init_ctl_channel): Ditto.
* relay.c (init_relayfs): Ditto.
* relay_old.c (open_relayfs_files): Ditto.
(init_oldrelayfs): Ditto.
* staprun_funcs.c (insert_module): Ditto.
(check_path): Ditto.
* symbols.c (get_sections): Ditto.
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* symbols.c (get_sections): Set data pointer to the lowest address
of any data section.
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* symbols.c (send_module): If send returns < 0 then
cleanup and exit.
(do_kernel_symbols): Ditto.
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* staprun.h (err): Define.
* symbols.c (get_sections): More overflow checking.
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* symbols.c (get_sections): Filter out .gnu.linkonce.* sections
except for .gnu.linkonce.this_module.
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* staprun.c: Renamed from stpd.c. Removed quiet and print_only
options. Added "-x" option as an alias for "-t". Removed "-m"
option. Updated arg processing to leave 4 slots for modoptions[].
Bump the priority of staprun.
* ctl.c: New. Transport control channel functions.
* relay.c: New. Relayfs control functions for new transport.
* relay_old.c: New. Relayfs control functions for older
versions of relayfs.
* mainloop.c: New. Staprun main loop.
* staprun.h: Renamed from librelay.h. Cleaned up.
* stap_merge.c: Renamed. Updated for modified save format.
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