Author: sewardj
Date: 2007-11-25 14:06:06 +0000 (Sun, 25 Nov 2007)
New Revision: 7212
Log:
Core-tool iface changes needed to support exp-drd (Bart Van Assche).
Modified:
trunk/coregrind/m_syswrap/syswrap-linux.c
trunk/coregrind/m_tooliface.c
trunk/coregrind/pub_core_tooliface.h
trunk/include/pub_tool_tooliface.h
Modified: trunk/coregrind/m_syswrap/syswrap-linux.c
===================================================================
--- trunk/coregrind/m_syswrap/syswrap-linux.c 2007-11-25 14:01:38 UTC (rev
7211)
+++ trunk/coregrind/m_syswrap/syswrap-linux.c 2007-11-25 14:06:06 UTC (rev
7212)
@@ -78,6 +78,8 @@
VG_(printf)("thread tid %d started: stack = %p\n",
tid, &tid);
+ VG_TRACK(pre_thread_first_insn, tid);
+
tst->os_state.lwpid = VG_(gettid)();
tst->os_state.threadgroup = VG_(getpid)();
Modified: trunk/coregrind/m_tooliface.c
===================================================================
--- trunk/coregrind/m_tooliface.c 2007-11-25 14:01:38 UTC (rev 7211)
+++ trunk/coregrind/m_tooliface.c 2007-11-25 14:06:06 UTC (rev 7212)
@@ -335,6 +335,7 @@
DEF(track_stop_client_code, ThreadId, ULong)
DEF(track_pre_thread_ll_create, ThreadId, ThreadId)
+DEF(track_pre_thread_first_insn, ThreadId)
DEF(track_pre_thread_ll_exit, ThreadId)
DEF(track_pre_deliver_signal, ThreadId, Int sigNo, Bool)
Modified: trunk/coregrind/pub_core_tooliface.h
===================================================================
--- trunk/coregrind/pub_core_tooliface.h 2007-11-25 14:01:38 UTC (rev
7211)
+++ trunk/coregrind/pub_core_tooliface.h 2007-11-25 14:06:06 UTC (rev
7212)
@@ -209,6 +209,7 @@
void (*track_stop_client_code) (ThreadId, ULong);
void (*track_pre_thread_ll_create)(ThreadId, ThreadId);
+ void (*track_pre_thread_first_insn)(ThreadId);
void (*track_pre_thread_ll_exit) (ThreadId);
void (*track_pre_deliver_signal) (ThreadId, Int sigNo, Bool);
Modified: trunk/include/pub_tool_tooliface.h
===================================================================
--- trunk/include/pub_tool_tooliface.h 2007-11-25 14:01:38 UTC (rev 7211)
+++ trunk/include/pub_tool_tooliface.h 2007-11-25 14:06:06 UTC (rev 7212)
@@ -588,9 +588,21 @@
low-level thread create/quit event. In general a few hundred
instructions; hence a few hundred(ish) memory references could get
misclassified each time.
+
+ pre_thread_first_insn: is called when the thread is all set up and
+ ready to go (stack in place, etc) but has not executed its first
+ instruction yet. Gives threading tools a chance to ask questions
+ about the thread (eg, what is its initial client stack pointer)
+ that are not easily answered at pre_thread_ll_create time.
+
+ For a given thread, the call sequence is:
+ ll_create (in the parent's context)
+ first_insn (in the child's context)
+ ll_exit (in the child's context)
*/
-void VG_(track_pre_thread_ll_create)(void(*f)(ThreadId tid, ThreadId child));
-void VG_(track_pre_thread_ll_exit) (void(*f)(ThreadId tid));
+void VG_(track_pre_thread_ll_create) (void(*f)(ThreadId tid, ThreadId child));
+void VG_(track_pre_thread_first_insn)(void(*f)(ThreadId tid));
+void VG_(track_pre_thread_ll_exit) (void(*f)(ThreadId tid));
/* Signal events (not exhaustive)
-------------------------------------------------------------------------
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