[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.5-91-g782040b

[dsmith at sourceware dot org]

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- Log -----------------------------------------------------------------
commit 782040b3f07a908790c074d94c6253c9966c18b2
Author: David Smith <dsmith@redhat.com>
Date:   Tue Apr 7 08:23:14 2009 -0500

    PR 9940.  Rearchitected task_finder.c a bit.
    2009-04-07  David Smith  <dsmith@redhat.com>
    
    	PR 9940.
    	* tapsets.cxx (emit_vma_callback_probe_decl): Initialized new
    	callbacks.
    	(utrace_derived_probe_group::emit_probe_decl): Ditto.
    	(uprobe_derived_probe_group::emit_module_decls): Uses new
    	callback.  Makes sure mapping is executable before trying to set a
    	probe in it.
    	(itrace_derived_probe_group::emit_module_init): Calls
    	_stp_sym_init().
    	(utrace_derived_probe_group::emit_module_init): Ditto.
    	(uprobe_derived_probe_group::emit_module_init): Ditto.
    	* runtime/sym.c: Moved task_finder_vma.c inclusion here from
    	task_finder.c.
    	(_stp_sym_init): New function.
    	(_stp_tf_mmap_cb): New function that replaces _stp_tf_vm_cb.
    	(_stp_tf_munmap_cb): Ditto.
    	* runtime/task_finder.c: Removed task_finder_vma.c inclusion.
    	Split vm_callback into 3 callbacks: mmap_callback,
    	munmap_callback, and mprotect_callback.
    	(stap_register_task_finder_target): Initializes new events
    	variables for the new callbacks.
    	(__STP_TASK_VM_BASE_EVENTS): No longer specifies syscall entry
    	events.
    	(__stp_call_mmap_callbacks): New function.
    	(__stp_call_mmap_callbacks_with_vma): Ditto.
    	(__stp_call_munmap_callbacks): Ditto.
    	(__stp_call_mprotect_callbacks): Ditto.
    	(__stp_call_vm_callbacks): Removed.
    	(__stp_utrace_task_finder_target_quiesce): Calls
    	__stp_call_mmap_callbacks() instead of __stp_call_vm_callbacks().
    	(__stp_utrace_task_finder_target_syscall_entry): Removed
    	function.
    	(__stp_utrace_task_finder_target_syscall_exit): Reports raw
    	mmap()/mprotect()/munmap() events.

-----------------------------------------------------------------------

Summary of changes:
 runtime/sym.c         |   68 +++++---
 runtime/task_finder.c |  491 ++++++++++++++++++++++---------------------------
 tapsets.cxx           |   31 ++-
 3 files changed, 281 insertions(+), 309 deletions(-)


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