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Add "show msgbuf" command

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This commit is contained in:
Poul-Henning Kamp 1998-05-19 11:02:24 +00:00
parent 58067a9909
commit 7ee17eea02
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=36181
3 changed files with 35 additions and 3 deletions
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3
sys/ddb/db_command.c
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@ -23,7 +23,7 @@
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* $Id: db_command.c,v 1.24 1998/02/09 06:07:52 eivind Exp $
* $Id: db_command.c,v 1.25 1998/02/13 02:19:29 bde Exp $
*/
/*
@ -369,6 +369,7 @@ static struct command db_show_cmds[] = {
{ "all", 0, 0, db_show_all_cmds },
{ "registers", db_show_regs, 0, 0 },
{ "breaks", db_listbreak_cmd, 0, 0 },
{ "msgbuf", db_show_msgbuf, 0, 0 },
#if 0
{ "thread", db_show_one_thread, 0, 0 },
#endif

32
sys/ddb/db_print.c
View File

@ -23,7 +23,7 @@
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* $Id: db_print.c,v 1.13 1997/02/22 09:28:27 peter Exp $
* $Id: db_print.c,v 1.14 1997/06/14 11:52:36 bde Exp $
*/
/*
@ -35,6 +35,7 @@
* Miscellaneous printing.
*/
#include <sys/param.h>
#include <sys/msgbuf.h>
#include <ddb/ddb.h>
#include <ddb/db_variables.h>
@ -65,3 +66,32 @@ db_show_regs(dummy1, dummy2, dummy3, dummy4)
db_print_loc_and_inst(PC_REGS(DDB_REGS));
}
void
db_show_msgbuf(dummy1, dummy2, dummy3, dummy4)
db_expr_t dummy1;
boolean_t dummy2;
db_expr_t dummy3;
char * dummy4;
{
int i,j;
if (!msgbufmapped) {
db_printf("msgbuf not mapped yet\n");
return;
}
db_printf("msgbufp = %p\n", msgbufp);
db_printf("magic = %x, size = %d, r= %d, w = %d, ptr = %p\n",
msgbufp->msg_magic,
msgbufp->msg_size,
msgbufp->msg_bufr,
msgbufp->msg_bufx,
msgbufp->msg_ptr);
for (i = 0; i < msgbufp->msg_size; i++) {
j = msgbufp->msg_ptr[(i + msgbufp->msg_bufr) % msgbufp->msg_size];
if (j)
db_printf("%c", j);
}
db_printf("\n");
}

3
sys/ddb/ddb.h
View File

@ -27,7 +27,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: ddb.h,v 1.14 1997/02/22 09:28:35 peter Exp $
* $Id: ddb.h,v 1.15 1998/02/13 02:19:29 bde Exp $
*/
/*
@ -116,6 +116,7 @@ db_cmdfcn_t db_print_cmd;
db_cmdfcn_t db_ps;
db_cmdfcn_t db_search_cmd;
db_cmdfcn_t db_set_cmd;
db_cmdfcn_t db_show_msgbuf;
db_cmdfcn_t db_show_regs;
db_cmdfcn_t db_single_step_cmd;
db_cmdfcn_t db_stack_trace_cmd;