undefined memory region (SIGSEGV); Mis-aligned memory access
(SIGBUS).
- SIM_SIGNALLED: The simulator encountered target code that requires
- the signal SIGRC to be delivered to the simulated program.
+ SIM_SIGNALLED: The program has stopped. The simulator has
+ encountered target code that requires the (HOST) signal SIGRC to be
+ delivered to the simulated program. Ex: `kill (getpid (),
+ TARGET_SIGxxx)'. Where TARGET_SIGxxx has been translated into a
+ host signal. FIXME: This is not always possible..
SIM_RUNNING, SIM_POLLING: The return of one of these values
indicates a problem internal to the simulator. */
+Sat Nov 22 19:16:54 1997 Andrew Cagney <cagney@b1.cygnus.com>
+
+ * sim-reason.c (sim_stop_reason): For sim_signalled, terurn the
+ signal untranslated, document problem with this.
+
+ * nrun.c (main): Check for a prog name of `*step'. If present,
+ step the simulator instead of allowing it to run free.
+
+ * sim-signal.c (SIGQUIT): Define on _MSC_VER hosts.
+
+ * Make-common.in (sim_main_headers): Add sim-signal.h.
+
Fri Nov 21 09:32:32 1997 Andrew Cagney <cagney@b1.cygnus.com>
* sim-signal.c (sim_signal_to_host): Return 0 for SIM_SIGNONE.
$(srccom)/sim-config.h \
$(srccom)/sim-base.h \
$(srccom)/sim-basics.h \
+ $(srccom)/sim-signal.h \
$(srccom)/sim-memopt.h \
$(srccom)/sim-model.h \
$(srccom)/sim-module.h \
+Sat Nov 22 21:42:09 1997 Andrew Cagney <cagney@b1.cygnus.com>
+
+ * interp.c (engine_step): Replace SIGTRAP with SIM_SIGTRAP.
+ (engine_run_until_stop): Replace SIGINT with SIM_SIGINT.
+
+ * sim-main.h: Include sim-signal.h.
+ (SIGTRAP): Delete definition.
+
+ * interp.c, sim-calls.c: Do not include signal.h.
+
+ * insns (illegal): SIGILL -> SIM_SIGILL.
+ (fp_unavailable): SIGFPE -> SIM_SIGFPE.
+ (do_trap): SIGTRAP -> SIM_SIGTRAP.
+
Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
* sim-main.h (CIA_ADDR): Define.
// The following is called when ever an illegal instruction is encountered.
:internal::::illegal:
sim_io_eprintf (SD, "0x%lx: illegal instruction\n", (unsigned long) cia.ip);
- sim_engine_halt (SD, CPU, NULL, cia, sim_signalled, SIGILL);
+ sim_engine_halt (SD, CPU, NULL, cia, sim_signalled, SIM_SIGILL);
// The following is called when ever an FP op is attempted with FPU disabled.
:internal::::fp_unavailable:
sim_io_eprintf (SD, "0x%lx: floating-point unavailable\n", (unsigned long) cia.ip);
- sim_engine_halt (SD, CPU, NULL, cia, sim_signalled, SIGFPE);
+ sim_engine_halt (SD, CPU, NULL, cia, sim_signalled, SIM_SIGFPE);
// Handle a branch instruction
:function:::instruction_address:do_branch:int annul, address_word target, int rLink_p, unsigned32 *rLink
}
break;
case 73:
- sim_engine_halt (SD, CPU, NULL, cia, sim_stopped, SIGTRAP);
+ sim_engine_halt (SD, CPU, NULL, cia, sim_stopped, SIM_SIGTRAP);
/* Add a few traps for now to print the register state */
case 74:
#include "idecode.h"
#include "itable.h"
-#include <signal.h>
-
#ifdef HAVE_STRING_H
#include <string.h>
#else
cia = idecode_issue (sd, insn, cia);
}
while (*keep_running);
- engine_halt (sd, cpu, cia, sim_stopped, SIGINT);
+ engine_halt (sd, cpu, cia, sim_stopped, SIM_SIGINT);
}
}
cia = cpu->cia;
insn = IMEM (cia);
cia = idecode_issue (sd, insn, cia);
- engine_halt (sd, cpu, cia, sim_stopped, SIGTRAP);
+ engine_halt (sd, cpu, cia, sim_stopped, SIM_SIGTRAP);
}
}
#endif
-
*/
-#include <signal.h> /* FIXME - should be machine dependant version */
#include <stdarg.h>
#include <ctype.h>
#include "sim-basics.h"
+#include "sim-signal.h"
+
+#include <signal.h> /* For kill() in insns:do_trap */
-#include <signal.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#define kill(sig, pid) (errno = EINVAL, -1)
#endif
#endif
-
-#ifndef SIGTRAP
-# define SIGTRAP 5
-#endif