diff mbox series

[v3,08/20] gdbstub: Implement remove breakpoint (z pkt) with new infra

Message ID 20190424142714.28460-8-arilou@gmail.com
State New
Headers show
Series [v3,01/20] gdbstub: Add infrastructure to parse cmd packets | expand

Commit Message

Jon Doron April 24, 2019, 2:27 p.m. UTC 
From: Jon Doron <arilou@gmail.com>

Signed-off-by: Jon Doron <arilou@gmail.com>
---
 gdbstub.c | 49 ++++++++++++++++++++++++++++++++-----------------
 1 file changed, 32 insertions(+), 17 deletions(-)
diff mbox series

Patch

diff --git a/gdbstub.c b/gdbstub.c
index 67cb140031..d0b27da518 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -1627,6 +1627,29 @@  static void handle_insert_bp(GdbCmdContext *gdb_ctx, void *user_ctx)
     put_packet(gdb_ctx->s, "E22");
 }
 
+static void handle_remove_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_remove(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;
@@ -1892,23 +1915,15 @@  static int gdb_handle_packet(GDBState *s, const char *line_buf)
         }
         break;
     case 'z':
-        type = strtoul(p, (char **)&p, 16);
-        if (*p == ',')
-            p++;
-        addr = strtoull(p, (char **)&p, 16);
-        if (*p == ',')
-            p++;
-        len = strtoull(p, (char **)&p, 16);
-        if (ch == 'Z')
-            res = gdb_breakpoint_insert(addr, len, type);
-        else
-            res = gdb_breakpoint_remove(addr, len, type);
-        if (res >= 0)
-             put_packet(s, "OK");
-        else if (res == -ENOSYS)
-            put_packet(s, "");
-        else
-            put_packet(s, "E22");
+        {
+            static GdbCmdParseEntry remove_bp_cmd_desc = {
+                .handler = handle_remove_bp,
+                .cmd = "z",
+                .cmd_startswith = 1,
+                .schema = "l?L?L0"
+            };
+            process_string_cmd(s, NULL, line_buf, &remove_bp_cmd_desc, 1);
+        }
         break;
     case 'H':
         {