diff mbox series

[v4,07/20] gdbstub: Implement insert breakpoint (Z pkt) with new infra

Message ID 20190424184600.8445-7-arilou@gmail.com
State New
Headers show
Series [v4,01/20] gdbstub: Add infrastructure to parse cmd packets | expand

Commit Message

Jon Doron April 24, 2019, 6:45 p.m. UTC 
Signed-off-by: Jon Doron <arilou@gmail.com>
---
 gdbstub.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
diff mbox series

Patch

diff --git a/gdbstub.c b/gdbstub.c
index c1ec36a062..03553a1a32 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -1598,6 +1598,29 @@  static void handle_set_thread(GdbCmdContext *gdb_ctx, void *user_ctx)
     }
 }
 
+static void handle_insert_bp(GdbCmdContext *gdb_ctx, void *user_ctx)
+{
+    int res;
+
+    if (gdb_ctx->num_params < 3) {
+        put_packet(gdb_ctx->s, "E22");
+        return;
+    }
+
+    res = gdb_breakpoint_insert(gdb_ctx->params[1].val_ull,
+                                gdb_ctx->params[2].val_ull,
+                                gdb_ctx->params[0].val_ul);
+    if (res >= 0) {
+        put_packet(gdb_ctx->s, "OK");
+        return;
+    } else if (res == -ENOSYS) {
+        put_packet(gdb_ctx->s, "");
+        return;
+    }
+
+    put_packet(gdb_ctx->s, "E22");
+}
+
 static int gdb_handle_packet(GDBState *s, const char *line_buf)
 {
     CPUState *cpu;
@@ -1852,6 +1875,16 @@  static int gdb_handle_packet(GDBState *s, const char *line_buf)
         put_packet(s, "OK");
         break;
     case 'Z':
+        {
+            static GdbCmdParseEntry insert_bp_cmd_desc = {
+                .handler = handle_insert_bp,
+                .cmd = "Z",
+                .cmd_startswith = 1,
+                .schema = "l?L?L0"
+            };
+            process_string_cmd(s, NULL, line_buf, &insert_bp_cmd_desc, 1);
+        }
+        break;
     case 'z':
         type = strtoul(p, (char **)&p, 16);
         if (*p == ',')