This is the mail archive of the
gdb-patches@sourceware.org
mailing list for the GDB project.
[PATCH 1/7 v3] powerpc: Support z-point type in gdbserver.
- From: Wei-cheng Wang <cole945 at gmail dot com>
- To: uweigand at de dot ibm dot com, gdb-patches at sourceware dot org
- Cc: Wei-cheng Wang <cole945 at gmail dot com>
- Date: Tue, 31 Mar 2015 00:30:26 +0800
- Subject: [PATCH 1/7 v3] powerpc: Support z-point type in gdbserver.
- Authentication-results: sourceware.org; auth=none
Support z-point, so tracepoints and breakpoints can be inserted at the same
location.
gdb/gdbserver/ChangeLog
2015-03-30 Wei-cheng Wang <cole945@gmail.com>
* linux-ppc-low.c (ppc_supports_z_point_type): New function:
(ppc64_emit_ops_vector): Add target ops - ppc_supports_z_point_type.
---
gdb/gdbserver/linux-ppc-low.c | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/gdb/gdbserver/linux-ppc-low.c b/gdb/gdbserver/linux-ppc-low.c
index 188fac0..8a0d5df 100644
--- a/gdb/gdbserver/linux-ppc-low.c
+++ b/gdb/gdbserver/linux-ppc-low.c
@@ -512,6 +512,27 @@ ppc_breakpoint_at (CORE_ADDR where)
return 0;
}
+/* Implement supports_z_point_type target-ops.
+ Returns true if type Z_TYPE breakpoint is supported.
+
+ Handling software breakpoint at server side, so tracepoints
+ and breakpoints can be inserted at the same location. */
+
+static int
+ppc_supports_z_point_type (char z_type)
+{
+ switch (z_type)
+ {
+ case Z_PACKET_SW_BP:
+ return 1;
+ case Z_PACKET_HW_BP:
+ case Z_PACKET_WRITE_WP:
+ case Z_PACKET_ACCESS_WP:
+ default:
+ return 0;
+ }
+}
+
/* Provide only a fill function for the general register set. ps_lgetregs
will use this for NPTL support. */
@@ -690,7 +711,7 @@ struct linux_target_ops the_low_target = {
NULL,
0,
ppc_breakpoint_at,
- NULL, /* supports_z_point_type */
+ ppc_supports_z_point_type, /* supports_z_point_type */
NULL,
NULL,
NULL,
--
1.9.1