diff options
Diffstat (limited to 'tools/debugger/pdb/debugger.ml')
| -rw-r--r-- | tools/debugger/pdb/debugger.ml | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/tools/debugger/pdb/debugger.ml b/tools/debugger/pdb/debugger.ml index 6d20b68294..aa741a4566 100644 --- a/tools/debugger/pdb/debugger.ml +++ b/tools/debugger/pdb/debugger.ml @@ -53,10 +53,20 @@ let gdb_step ctx = PDB.step ctx; raise No_reply +(** + Read Register Command. + return register as a 4-byte value. + *) +let gdb_read_register ctx command = + let read_reg register = + (Printf.sprintf "%08lx" (Util.flip_int32 (PDB.read_register ctx register))) + in + Scanf.sscanf command "p%x" read_reg + (** Read Registers Command. - returns 16 4-byte registers in a particular defined by gdb. + returns 16 4-byte registers in a particular format defined by gdb. *) let gdb_read_registers ctx = let regs = PDB.read_registers ctx in @@ -100,7 +110,7 @@ let gdb_read_memory ctx command = with Failure s -> "E02" in - Scanf.sscanf command "m%lx,%d" read_mem + Scanf.sscanf command "m%lx,%x" read_mem @@ -218,16 +228,24 @@ let pdb_extensions command sock = (** Insert Breakpoint or Watchpoint Packet *) + +let bwc_watch_write = 102 (* from pdb_module.h *) +let bwc_watch_read = 103 +let bwc_watch_access = 104 + let gdb_insert_bwcpoint ctx command = let insert cmd addr length = try match cmd with | 0 -> PDB.insert_memory_breakpoint ctx addr length; "OK" + | 2 -> PDB.insert_watchpoint ctx bwc_watch_write addr length; "OK" + | 3 -> PDB.insert_watchpoint ctx bwc_watch_read addr length; "OK" + | 4 -> PDB.insert_watchpoint ctx bwc_watch_access addr length; "OK" | _ -> "" with Failure s -> "E03" in - Scanf.sscanf command "Z%d,%lx,%d" insert + Scanf.sscanf command "Z%d,%lx,%x" insert (** Remove Breakpoint or Watchpoint Packet @@ -237,6 +255,9 @@ let gdb_remove_bwcpoint ctx command = try match cmd with | 0 -> PDB.remove_memory_breakpoint ctx addr length; "OK" + | 2 -> PDB.remove_watchpoint ctx bwc_watch_write addr length; "OK" + | 3 -> PDB.remove_watchpoint ctx bwc_watch_read addr length; "OK" + | 4 -> PDB.remove_watchpoint ctx bwc_watch_access addr length; "OK" | _ -> "" with Failure s -> "E04" @@ -260,6 +281,7 @@ let process_command command sock = | 'k' -> gdb_kill () | 'm' -> gdb_read_memory ctx command | 'M' -> gdb_write_memory ctx command + | 'p' -> gdb_read_register ctx command | 'P' -> gdb_write_register ctx command | 'q' -> gdb_query command | 's' -> gdb_step ctx @@ -270,7 +292,7 @@ let process_command command sock = | 'Z' -> gdb_insert_bwcpoint ctx command | _ -> print_endline (Printf.sprintf "unknown gdb command [%s]" command); - "E02" + "" with Unimplemented s -> print_endline (Printf.sprintf "loser. unimplemented command [%s][%s]" |