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Diffstat (limited to 'arch/frv/kernel/gdb-stub.c')
-rw-r--r--arch/frv/kernel/gdb-stub.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/frv/kernel/gdb-stub.c b/arch/frv/kernel/gdb-stub.c
index 7ca8a6b19ac9..84d103c33c9c 100644
--- a/arch/frv/kernel/gdb-stub.c
+++ b/arch/frv/kernel/gdb-stub.c
@@ -1344,6 +1344,44 @@ void gdbstub_get_mmu_state(void)
} /* end gdbstub_get_mmu_state() */
+/*
+ * handle general query commands of the form 'qXXXXX'
+ */
+static void gdbstub_handle_query(void)
+{
+ if (strcmp(input_buffer, "qAttached") == 0) {
+ /* return current thread ID */
+ sprintf(output_buffer, "1");
+ return;
+ }
+
+ if (strcmp(input_buffer, "qC") == 0) {
+ /* return current thread ID */
+ sprintf(output_buffer, "QC 0");
+ return;
+ }
+
+ if (strcmp(input_buffer, "qOffsets") == 0) {
+ /* return relocation offset of text and data segments */
+ sprintf(output_buffer, "Text=0;Data=0;Bss=0");
+ return;
+ }
+
+ if (strcmp(input_buffer, "qSymbol::") == 0) {
+ sprintf(output_buffer, "OK");
+ return;
+ }
+
+ if (strcmp(input_buffer, "qSupported") == 0) {
+ /* query of supported features */
+ sprintf(output_buffer, "PacketSize=%u;ReverseContinue-;ReverseStep-",
+ sizeof(input_buffer));
+ return;
+ }
+
+ gdbstub_strcpy(output_buffer,"E01");
+}
+
/*****************************************************************************/
/*
* handle event interception and GDB remote protocol processing
@@ -1840,6 +1878,10 @@ void gdbstub(int sigval)
case 'k' :
goto done; /* just continue */
+ /* detach */
+ case 'D':
+ gdbstub_strcpy(output_buffer, "OK");
+ break;
/* reset the whole machine (FIXME: system dependent) */
case 'r':
@@ -1852,6 +1894,14 @@ void gdbstub(int sigval)
__debug_status.dcr |= DCR_SE;
goto done;
+ /* extended command */
+ case 'v':
+ if (strcmp(input_buffer, "vCont?") == 0) {
+ output_buffer[0] = 0;
+ break;
+ }
+ goto unsupported_cmd;
+
/* set baud rate (bBB) */
case 'b':
ptr = &input_buffer[1];
@@ -1923,8 +1973,19 @@ void gdbstub(int sigval)
gdbstub_strcpy(output_buffer,"OK");
break;
+ /* Thread-setting packet */
+ case 'H':
+ gdbstub_strcpy(output_buffer, "OK");
+ break;
+
+ case 'q':
+ gdbstub_handle_query();
+ break;
+
default:
+ unsupported_cmd:
gdbstub_proto("### GDB Unsupported Cmd '%s'\n",input_buffer);
+ gdbstub_strcpy(output_buffer,"E01");
break;
}