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Ref gdb/11763 - can't stop a running simulator:

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o	Provide poll_quit callback to simulators
		so that they can poll for SIGINT on
		clueless OS's.

	o	Add sim_stop to simulators so that clients
		can request a halt (eg gdbtk's STOP button)
		Works for PPC!

	o	Re-arange remote-sim.c so that the
		hard work is moved from gdbsim_resume()
		to gdbsim_wait() (where it should be).
This commit is contained in:
Andrew Cagney
1997-04-18 12:24:52 +00:00
parent 2d3588808f
commit 8517f62b16
20 changed files with 693 additions and 40 deletions
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15
sim/common/run.c
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@@ -63,12 +63,24 @@ extern int sim_trace PARAMS ((SIM_DESC sd));
extern int getopt ();
static SIM_DESC sd;
static RETSIGTYPE
cntrl_c (int sig)
{
if (! sim_stop (sd))
{
fprintf (stderr, "Quit!\n");
exit (1);
}
}
int
main (ac, av)
int ac;
char **av;
{
RETSIGTYPE (*prev_sigint) ();
bfd *abfd;
asection *s;
int i;
@@ -80,7 +92,6 @@ main (ac, av)
char **prog_args;
enum sim_stop reason;
int sigrc;
SIM_DESC sd;
myname = av[0] + strlen (av[0]);
while (myname > av[0] && myname[-1] != '/')
@@ -207,6 +218,7 @@ main (ac, av)
if (sim_create_inferior (sd, prog_args, NULL) == SIM_RC_FAIL)
exit (1);
prev_sigint = signal (SIGINT, cntrl_c);
if (trace)
{
int done = 0;
@@ -219,6 +231,7 @@ main (ac, av)
{
sim_resume (sd, 0, 0);
}
signal (SIGINT, prev_sigint);
if (verbose)
sim_info (sd, 0);