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* remote.c (read_frame): Calculate run length encoded checksum correctly.

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* config/sh/stub.c: New file.
This commit is contained in:
Steve Chamberlain 1994-08-05 00:14:05 +00:00
parent 7f4b5f94dd
commit 284f4ee95b
2 changed files with 13 additions and 4 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
Thu Aug 4 16:26:06 1994 Steve Chamberlain (sac@jonny.cygnus.com)
* remote.c (read_frame): Calculate run length encoded checksum correctly.
* config/sh/stub.c: New file.
Thu Aug 4 14:34:12 1994 Stu Grossman (grossman@cygnus.com)
* target.c (find_default_run_target): Make sure to_can_run is set

12
gdb/remote.c
View file

@ -126,10 +126,13 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
remote target.
Responses can be run-length encoded to save space. A '*' means that
the next two characters are hex digits giving a repeat count which
the next character is an ASCII encoding giving a repeat count which
stands for that many repititions of the character preceding the '*'.
Note that this means that responses cannot contain '*'. Example:
"0*03" means the same as "0000". */
The encoding is n+29, yielding a printable character where n >=3
(which is where rle starts to win). Don't use an n > 126.
So
"0* " means the same as "0000". */
#include "defs.h"
#include <string.h>
@ -1254,6 +1257,7 @@ read_frame (buf)
return 0;
}
case '*': /* Run length encoding */
csum += c;
c = readchar (remote_timeout);
csum += c;
c = c - ' ' + 3; /* Compute repeat count */
@ -1269,8 +1273,8 @@ read_frame (buf)
printf_filtered ("Repeat count %d too large for buffer: ", c);
puts_filtered (buf);
puts_filtered ("\n");
return 0;
default:
if (bp < buf + PBUFSIZ - 1)
{