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* monitor.c (monitor_insert_breakpoint): Handle bi-endian machines.

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David Edelsohn 1996-12-10 01:32:17 +00:00
parent 509ffa78cf
commit 15f13cd0ec
2 changed files with 36 additions and 25 deletions
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4
gdb/ChangeLog
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@ -1,3 +1,7 @@
Mon Dec 9 17:12:19 1996 Doug Evans <dje@canuck.cygnus.com>
* monitor.c (monitor_insert_breakpoint): Handle bi-endian machines.
Mon Dec 9 15:58:51 1996 Mark Alexander <marka@cygnus.com>
* config/mips/tm-mips.h: Get rid of call-dummy code.

57
gdb/monitor.c
View File

@ -459,14 +459,13 @@ monitor_expect_regexp (pat, buf, buflen)
o give your command
o *then* wait for the prompt.
Thus the last thing that a procedure does with the serial line
will be an monitor_expect_prompt(). Exception: monitor_resume does not
wait for the prompt, because the terminal is being handed over
to the inferior. However, the next thing which happens after that
is a monitor_wait which does wait for the prompt.
Note that this includes abnormal exit, e.g. error(). This is
necessary to prevent getting into states from which we can't
recover. */
Thus the last thing that a procedure does with the serial line will
be an monitor_expect_prompt(). Exception: monitor_resume does not
wait for the prompt, because the terminal is being handed over to
the inferior. However, the next thing which happens after that is
a monitor_wait which does wait for the prompt. Note that this
includes abnormal exit, e.g. error(). This is necessary to prevent
getting into states from which we can't recover. */
int
monitor_expect_prompt (buf, buflen)
@ -1168,32 +1167,33 @@ monitor_read_memory_single (memaddr, myaddr, len)
cmd = current_monitor->getmem.cmdb;
}
/* Send the examine command. */
/* Send the examine command. */
monitor_printf (cmd, memaddr);
/* If RESP_DELIM is specified, we search for that as a leading delimiter for
the register value. Otherwise, we just start searching from the start of
the buf. */
/* If RESP_DELIM is specified, we search for that as a leading
delimiter for the memory value. Otherwise, we just start
searching from the start of the buf. */
if (current_monitor->getmem.resp_delim)
monitor_expect_regexp (&getmem_resp_delim_pattern, NULL, 0);
/* Now, read the appropriate number of hex digits for this loc, skipping
spaces. */
/* Now, read the appropriate number of hex digits for this loc,
skipping spaces. */
/* Skip leading spaces and "0x" if MO_HEX_PREFIX flag is set */
/* Skip leading spaces and "0x" if MO_HEX_PREFIX flag is set. */
if (current_monitor->flags & MO_HEX_PREFIX)
{
int c;
c = readchar (timeout);
while (c == ' ')
c = readchar (timeout);
if ((c == '0') && ((c = readchar (timeout)) == 'x'))
;
else
error ("monitor_read_memory_single (0x%x): bad response from monitor: %.*s%c.",
memaddr, i, membuf, c);
error ("monitor_read_memory_single (0x%x): bad response from monitor: %.*s%c.",
memaddr, i, membuf, c);
}
for (i = 0; i < len * 2; i++)
{
@ -1270,20 +1270,21 @@ monitor_read_memory (memaddr, myaddr, len)
len = min (len, 16);
/* See if xfer would cross a 16 byte boundary. If so, clip it. */
/* See if xfer would cross a 16 byte boundary. If so, clip it. */
if (((memaddr ^ (memaddr + len - 1)) & ~0xf) != 0)
len = ((memaddr + len) & ~0xf) - memaddr;
/* send the memory examine command */
/* send the memory examine command */
if (current_monitor->flags & MO_GETMEM_NEEDS_RANGE)
monitor_printf (current_monitor->getmem.cmdb, memaddr, memaddr + len - 1);
else
monitor_printf (current_monitor->getmem.cmdb, memaddr, len);
/* If TERM is present, we wait for that to show up. Also, (if TERM is
present), we will send TERM_CMD if that is present. In any case, we collect
all of the output into buf, and then wait for the normal prompt. */
/* If TERM is present, we wait for that to show up. Also, (if TERM
is present), we will send TERM_CMD if that is present. In any
case, we collect all of the output into buf, and then wait for
the normal prompt. */
if (current_monitor->getmem.term)
{
@ -1305,9 +1306,9 @@ monitor_read_memory (memaddr, myaddr, len)
p = buf;
/* If RESP_DELIM is specified, we search for that as a leading delimiter for
the values. Otherwise, we just start searching from the start of the buf.
*/
/* If RESP_DELIM is specified, we search for that as a leading
delimiter for the values. Otherwise, we just start searching
from the start of the buf. */
if (current_monitor->getmem.resp_delim)
{
@ -1420,7 +1421,13 @@ monitor_insert_breakpoint (addr, shadow)
char *shadow;
{
int i;
/* This is only used to compute the size of a breakpoint. */
#ifdef BREAKPOINT
static unsigned char break_insn[] = BREAKPOINT;
#else
/* In the bi-endian case we assume breakpoints are the same size. */
static unsigned char break_insn[] = BIG_BREAKPOINT;
#endif
for (i = 0; i < NUM_MONITOR_BREAKPOINTS; i++)
{