* remote.c: Move comments regarding packets to top of file with the

	rest of the protocol comments.
	Fix incorrect description of 'T' response.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 112dd9afe934079d34c3a8c87464a9a2a58b3f28..ef1d558e1092cd5cecabe6328b9709409693566c 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,9 @@
 Fri Jun 25 11:22:28 1993  Jim Kingdon  (kingdon@lioth.cygnus.com)
 
+       * remote.c: Move comments regarding packets to top of file with the
+       rest of the protocol comments.
+       Fix incorrect description of 'T' response.
+
        * README (Reporting Bugs): Refer people to the GDB manual.
 
        * c-valprint.c (c_val_print): Handle TYPE_CODE_BOOLEAN.

diff --git a/gdb/remote.c b/gdb/remote.c
index a787577a2e2b1d1b0d23e60f5e52347ca225dded..41941ff69bd4adef396931e1601167d2fe8f2081 100644 (file)
--- a/gdb/remote.c
+++ b/gdb/remote.c
@@ -18,6 +18,25 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 /* Remote communication protocol.
+
+   A debug packet whose contents are <data>
+   is encapsulated for transmission in the form:
+
+       $ <data> # CSUM1 CSUM2
+
+       <data> must be ASCII alphanumeric and cannot include characters
+       '$' or '#'
+
+       CSUM1 and CSUM2 are ascii hex representation of an 8-bit 
+       checksum of <data>, the most significant nibble is sent first.
+       the hex digits 0-9,a-f are used.
+
+   Receiver responds with:
+
+       +       - if CSUM is correct and ready for next packet
+       -       - if CSUM is incorrect
+
+   <data> is as follows:
    All values are encoded in ascii hex digits.
 
        Request         Packet
@@ -63,10 +82,10 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
        The reply comes when the machine stops.
        It is           SAA             AA is the "signal number"
 
-       or...           TAAPPPPPPPPFFFFFFFF
-                                       where AA is the signal number,
-                                       PPPPPPPP is the PC (PC_REGNUM), and
-                                       FFFFFFFF is the frame ptr (FP_REGNUM).
+       or...           TAAn...:r...;n:r...;n...:r...;
+                                       AA = signal number
+                                       n... = register number
+                                       r... = register contents
 
        kill req        k
 */
@@ -76,6 +95,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include <fcntl.h>
 #include "frame.h"
 #include "inferior.h"
+#include "bfd.h"
 #include "symfile.h"
 #include "target.h"
 #include "wait.h"
@@ -255,7 +275,7 @@ device is attached to the remote system (e.g. /dev/ttya).");
   /* Start the remote connection; if error (0), discard this target. */
   immediate_quit++;            /* Allow user to interrupt it */
   if (!catch_errors (remote_start_remote, (char *)0, 
-       "Couldn't establish connection to remote target\n"))
+       "Couldn't establish connection to remote target\n", RETURN_MASK_ALL))
     pop_target();
 }
 
@@ -368,7 +388,7 @@ remote_interrupt_twice (signo)
 Give up (and stop debugging it)? "))
     {
       target_mourn_inferior ();
-      return_to_top_level ();
+      return_to_top_level (RETURN_QUIT);
     }
   else
     {
@@ -654,26 +674,8 @@ struct target_ops *ignore;
   puts_filtered ("Debugging a target over a serial line.\n");
 }
 \f
-/*
-
-A debug packet whose contents are <data>
-is encapsulated for transmission in the form:
-
-       $ <data> # CSUM1 CSUM2
-
-       <data> must be ASCII alphanumeric and cannot include characters
-       '$' or '#'
-
-       CSUM1 and CSUM2 are ascii hex representation of an 8-bit 
-       checksum of <data>, the most significant nibble is sent first.
-       the hex digits 0-9,a-f are used.
-
-Receiver responds with:
-
-       +       - if CSUM is correct and ready for next packet
-       -       - if CSUM is incorrect
-
-*/
+/* Stuff for dealing with the packets which are part of this protocol.
+   See comment at top of file for details.  */
 
 /* Read a single character from the remote end, masking it down to 7 bits. */