Merge commit 'origin/unwind'

* commit 'origin/unwind':
  Fixes for 2.6.25 pt_regs changes.
  Include string.h
  Change stap to get kernel symbols from debuginfo and
  reincarnate vim/ directory in this branch to match master
  Add new define STP_USE_DWARF_UNWINDER which is set based on which archs
  Remove misleading error message.
  Support for kernels built with CONFIG_FRAME_POINTER
  Fix regression.
  dded _stp_read_address() and changed code to use it.
  kretprobe trampoline fixes
  i386 fixes.
  control.c (_stp_ctl_write_dbug): Insert missing break.
  32-bit fixes
  Cleanup.
  2008-03-23  Frank Ch. Eigler  <fche@elastic.org>
  2008-03-23  Frank Ch. Eigler  <fche@elastic.org>
  2008-03-21  Eugene Teo  <eugeneteo@kernel.sg>
  add (back) runtime/unwind files
  * clarify utility of epilogue-type probe aliases in documentation
  rebased unwind_branch on top of current master

1 files changed, 0 insertions, 92 deletions

diff --git a/runtime/staprun/staprun_funcs.c b/runtime/staprun/staprun_funcs.c
index 34e12c25..b95a9a5a 100644
--- a/runtime/staprun/staprun_funcs.c
+++ b/runtime/staprun/staprun_funcs.c
@@ -401,95 +401,3 @@ int check_permissions(void)
 	 * is in that directory. */
 	return check_path();
 }
-
-pthread_t symbol_thread_id = (pthread_t)0;
-int kernel_ptr_size = 0;
-
-/* Symbol handling thread */
-void *handle_symbols(void __attribute__((unused)) *arg)
-{
-	ssize_t nb;
-	void *data;
-	int32_t type;
-	char recvbuf[8192];
-
-	dbug(2, "waiting for symbol requests\n");
-
-	/* handle messages from control channel */
-	while (1) {
-		nb = read(control_channel, recvbuf, sizeof(recvbuf));
-		if (nb <= 0) {
-			if (errno != EINTR)
-				_perr("Unexpected EOF in read (nb=%ld)", (long)nb);
-			continue;
-		}
-		
-		type = *(int32_t *)recvbuf;
-		data = (void *)(recvbuf + sizeof(int32_t));
-		
-		switch (type) { 
-		case STP_MODULE:
-		{
-			dbug(2, "STP_MODULES request received\n");
-			if (do_module(data) < 0)
-				goto done;
-			break;
-		}		
-		case STP_SYMBOLS:
-		{
-			struct _stp_msg_symbol *req = (struct _stp_msg_symbol *)data;
-			dbug(2, "STP_SYMBOLS request received\n");
-			if (req->endian != 0x1234) {
-				err("ERROR: staprun is compiled with different endianess than the kernel!\n");
-				goto done;
-			}
-			kernel_ptr_size = req->ptr_size;
-			if (kernel_ptr_size != 4 && kernel_ptr_size != 8) {
-				err("ERROR: invalid kernel pointer size %d\n", kernel_ptr_size);
-				goto done;
-			}
-			if (do_kernel_symbols() < 0)
-				goto done;
-			break;
-		}
-		default:
-			err("WARNING: ignored message of type %d\n", (type));
-		}
-	}
-
-done:
-	/* signal stapio we're done */
-	kill(0, SIGINT);
-
-	return NULL;
-}
-
-void start_symbol_thread(void)
-{
-	int status;
-
-	/* create symbol control channel */
-	status = do_cap(CAP_DAC_OVERRIDE, init_ctl_channel, 1);
-	drop_cap(CAP_DAC_OVERRIDE);
-	if (status < 0) {
-		err("Failed to initialize control channel.\n");
-		exit(1);
-	}
-	status = pthread_create(&symbol_thread_id, NULL, handle_symbols, NULL);
-	if (status) {
-		perr("Failed to create symbol thread.\n");
-		exit(1);
-	}
-}
-
-void stop_symbol_thread(void)
-{
-
-	if (symbol_thread_id) {
-		dbug(2, "Stopping symbol thread.\n");
-		pthread_cancel(symbol_thread_id);
-		pthread_join(symbol_thread_id, NULL);
-	}
-	close_ctl_channel();
-}
-