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* sparc-stub.c: New file. Mix it with your SPARClite

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application, and it will speak GDB remote protocol!
* remote.c (remote_wait):  Change 'T' (expedited reply) message to
deal with arbitrary registers.  Needed for sparc-stub,
This commit is contained in:
Stu Grossman
1992-08-15 09:34:25 +00:00
parent 1d4bd6ad28
commit 4ecee2f9f1
3 changed files with 918 additions and 8 deletions
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27
gdb/remote.c
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@@ -416,7 +416,8 @@ remote_wait (status)
void (*ofunc)();
unsigned char *p;
int i;
char regs[REGISTER_RAW_SIZE (PC_REGNUM) + REGISTER_RAW_SIZE (FP_REGNUM)];
int regno;
unsigned char regs[8]; /* Better be big enough for largest reg */
WSETEXIT ((*status), 0);
@@ -428,17 +429,27 @@ remote_wait (status)
error ("Remote failure reply: %s", buf);
if (buf[0] == 'T')
{
/* Expedited reply, containing Signal, PC, and FP. */
/* Expedited reply, containing Signal, {regno, reg} repeat */
p = &buf[3]; /* after Txx */
for (i = 0; i < sizeof (regs); i++)
while (*p)
{
if (p[0] == 0 || p[1] == 0)
error ("Remote reply is too short: %s", buf);
regs[i] = fromhex (p[0]) * 16 + fromhex (p[1]);
regno = fromhex (p[0]) * 16 + fromhex (p[1]);
p += 2;
if (regno >= NUM_REGS)
error ("Remote sent illegal register number %d (0x%x)", regno,
regno);
for (i = 0; i < REGISTER_RAW_SIZE (regno); i++)
{
if (p[0] == 0 || p[1] == 0)
error ("Remote reply is too short: %s", buf);
regs[i] = fromhex (p[0]) * 16 + fromhex (p[1]);
p += 2;
}
supply_register (regno, regs);
}
supply_register (PC_REGNUM, &regs[0]);
supply_register (FP_REGNUM, &regs[REGISTER_RAW_SIZE (PC_REGNUM)]);
}
else if (buf[0] != 'S')
error ("Invalid remote reply: %s", buf);