diff options
Diffstat (limited to 'kernel/debug')
| -rw-r--r-- | kernel/debug/gdbstub.c | 30 | ||||
| -rw-r--r-- | kernel/debug/kdb/kdb_main.c | 4 |
2 files changed, 32 insertions, 2 deletions
diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c index 481a7bd2dfe..a11db956dd6 100644 --- a/kernel/debug/gdbstub.c +++ b/kernel/debug/gdbstub.c @@ -1093,3 +1093,33 @@ int gdbstub_state(struct kgdb_state *ks, char *cmd) put_packet(remcom_out_buffer); return 0; } + +/** + * gdbstub_exit - Send an exit message to GDB + * @status: The exit code to report. + */ +void gdbstub_exit(int status) +{ + unsigned char checksum, ch, buffer[3]; + int loop; + + buffer[0] = 'W'; + buffer[1] = hex_asc_hi(status); + buffer[2] = hex_asc_lo(status); + + dbg_io_ops->write_char('$'); + checksum = 0; + + for (loop = 0; loop < 3; loop++) { + ch = buffer[loop]; + checksum += ch; + dbg_io_ops->write_char(ch); + } + + dbg_io_ops->write_char('#'); + dbg_io_ops->write_char(hex_asc_hi(checksum)); + dbg_io_ops->write_char(hex_asc_lo(checksum)); + + /* make sure the output is flushed, lest the bootloader clobber it */ + dbg_io_ops->flush(); +} diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c index bd3e8e29caa..6bc6e3bc4f9 100644 --- a/kernel/debug/kdb/kdb_main.c +++ b/kernel/debug/kdb/kdb_main.c @@ -78,7 +78,7 @@ static unsigned int kdb_continue_catastrophic; static kdbtab_t *kdb_commands; #define KDB_BASE_CMD_MAX 50 static int kdb_max_commands = KDB_BASE_CMD_MAX; -static kdbtab_t kdb_base_commands[50]; +static kdbtab_t kdb_base_commands[KDB_BASE_CMD_MAX]; #define for_each_kdbcmd(cmd, num) \ for ((cmd) = kdb_base_commands, (num) = 0; \ num < kdb_max_commands; \ @@ -2892,7 +2892,7 @@ static void __init kdb_inittab(void) "Send a signal to a process", 0, KDB_REPEAT_NONE); kdb_register_repeat("summary", kdb_summary, "", "Summarize the system", 4, KDB_REPEAT_NONE); - kdb_register_repeat("per_cpu", kdb_per_cpu, "", + kdb_register_repeat("per_cpu", kdb_per_cpu, "<sym> [<bytes>] [<cpu>]", "Display per_cpu variables", 3, KDB_REPEAT_NONE); kdb_register_repeat("grephelp", kdb_grep_help, "", "Display help on | grep", 0, KDB_REPEAT_NONE); |