From: Michael Snyder <msnyder@vmware.com>
Date: Tue, 21 Mar 2000 20:41:39 +0000 (+0000)
Subject: 2000-03-21  Eli Zaretskii  <eliz@is.elta.co.il>
X-Git-Tag: gdb_5_0-2000-04-10-branchpoint~218
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=99e5c1c84fdc19ad6623492797b5783fca630772;p=platform%2Fupstream%2Fbinutils.git

2000-03-21  Eli Zaretskii  <eliz@is.elta.co.il>

        * breakpoint.c (bpstat_stop_status): Don't stop if a read
        watchpoint appears to break, but the watched value changed.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index bca417d..2a4df9b 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2000-03-21  Eli Zaretskii  <eliz@is.elta.co.il>
+
+	* breakpoint.c (bpstat_stop_status): Don't stop if a read
+	watchpoint appears to break, but the watched value changed.
+
 2000-03-21  Jim Blandy  <jimb@redhat.com>
 
 	* gdbarch.sh: Emit a definition and declaration for gdbarch_free,
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index b77a404..4e0fc67 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -2619,6 +2619,17 @@ bpstat_stop_status (pc, not_a_breakpoint)
 	      /* Stop.  */
 	      break;
 	    case WP_VALUE_CHANGED:
+	      if (b->type == bp_read_watchpoint)
+		{
+		  /* Don't stop: read watchpoints shouldn't fire if
+		     the value has changed.  This is for targets which
+		     cannot set read-only watchpoints.  */
+		  bs->print_it = print_it_noop;
+		  bs->stop = 0;
+		  continue;
+		}
+	      ++(b->hit_count);
+	      break;
 	    case WP_VALUE_NOT_CHANGED:
 	      /* Stop.  */
 	      ++(b->hit_count);