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Make simulator event-queue manager a bit more signal safe.

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This commit is contained in:
Andrew Cagney
1997-05-19 06:55:56 +00:00
parent f03b093cd3
commit fd76456bdb
3 changed files with 26 additions and 0 deletions
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21
sim/common/ChangeLog
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@ -1,5 +1,26 @@
Mon May 19 12:07:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
* sim-events.c (sim_events_zalloc): Signal save memory allocator -
stop tk interrupting malloc calls.
(sim_events_zalloc): Converse.
* Make-common.in (sim_main_headers): Add sim-events.h.
* sim-events.c (sim_events_schedule_after_signal): Change return
type to void - signal events are strictly internal.
(sim_events_init): Allocate a finite buffer for signal events.
(sim_events_schedule_after_signal): Enter signal events into the
signal buffer.
* sim-engine.c (sim_engine_halt): Check SIM_DESC magic.
(sim_engine_restart): Ditto.
(sim_engine_abort): Ditto.
* sim-stop.c (sim_stop): Ditto.
(control_c_simulation): Ditto.
* sim-resume.c (sim_resume): Ditto.
(has_stepped): Ditto.
* sim-abort.c (sim_engine_abort): Ditto.
* sim-basics.h (transfer_type): New type.
* sim-core.c (sim_core_signal): New function. Print core signal

4
sim/tic80/ChangeLog
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@ -1,3 +1,7 @@
Mon May 19 14:58:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
* sim-calls.c (sim_open): Set the simulator base magic number.
Fri May 16 14:35:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
* insns (illegal, fp_unavailable): Halt instead of abort the

1
sim/tic80/sim-calls.c
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@ -53,6 +53,7 @@ SIM_DESC
sim_open (SIM_OPEN_KIND kind, char **argv)
{
STATE_OPEN_KIND (&simulation) = kind;
STATE_MAGIC (&simulation) = SIM_MAGIC_NUMBER;
/* establish the simulator configuration */
sim_config (&simulation,