Implement 'catch syscall' for gdbserver

[external/binutils.git] / gdb / gdbserver / remote-utils.c

diff --git a/gdb/gdbserver/remote-utils.c b/gdb/gdbserver/remote-utils.c
index 40bd373..15cdbe1 100644 (file)
--- a/gdb/gdbserver/remote-utils.c
+++ b/gdb/gdbserver/remote-utils.c
@@ -1132,6 +1132,8 @@ prepare_resume_reply (char *buf, ptid_t ptid,
     case TARGET_WAITKIND_VFORK_DONE:
     case TARGET_WAITKIND_EXECD:
     case TARGET_WAITKIND_THREAD_CREATED:
+    case TARGET_WAITKIND_SYSCALL_ENTRY:
+    case TARGET_WAITKIND_SYSCALL_RETURN:
       {
        struct thread_info *saved_thread;
        const char **regp;
@@ -1181,6 +1183,16 @@ prepare_resume_reply (char *buf, ptid_t ptid,
 
            sprintf (buf, "T%02xcreate:;", signal);
          }
+       else if (status->kind == TARGET_WAITKIND_SYSCALL_ENTRY
+                || status->kind == TARGET_WAITKIND_SYSCALL_RETURN)
+         {
+           enum gdb_signal signal = GDB_SIGNAL_TRAP;
+           const char *event = (status->kind == TARGET_WAITKIND_SYSCALL_ENTRY
+                                ? "syscall_entry" : "syscall_return");
+
+           sprintf (buf, "T%02x%s:%x;", signal, event,
+                    status->value.syscall_number);
+         }
        else
          sprintf (buf, "T%02x", status->value.sig);