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o Add SIM_SIGFPE to sim-signals 

o Start SIM_SIG* at 64 so that the use of host signal numbers can be
  detected and reported.
o Update MIPS simulator to use sim-signal.
This commit is contained in:
Andrew Cagney 1997-11-20 09:50:36 +00:00
parent a09a30d298
commit 232156dee9
5 changed files with 25 additions and 18 deletions
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7
sim/common/ChangeLog
View File

@ -1,3 +1,10 @@
Thu Nov 20 20:35:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
* sim-signal.h: Start simulator signals at 64 so that host signal
numbers can be detected and reported.
* sim-signal.h (SIM_SIGFPE), sim-signal.h: Add signal.
Wed Nov 19 12:02:41 1997 Doug Evans <devans@seba.cygnus.com>
* callback.c (cb_host_to_target_stat): Fix return values.

6
sim/common/sim-signal.c
View File

@ -70,6 +70,12 @@ sim_signal_to_host (SIM_DESC sd, SIM_SIGNAL sig)
case SIM_SIGXCPU :
#ifdef SIGXCPU
return SIGXCPU;
#endif
break;
case SIM_SIGFPE:
#ifdef SIGXCPU
return SIGFPE;
#endif
break;
}

8
sim/mips/ChangeLog
View File

@ -1,8 +1,12 @@
Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
* sim-main.h (Config): New register.
* interp.c (signal_exception): Report internal errors with SIGABRT
not SIGQUIT.
* interp.c (decode_coproc): Allow access to Config register.
* sim-main.h (C0_CONFIG): New register.
(signal.h): No longer include.
* interp.c (decode_coproc): Allow access C0_CONFIG to register.
Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>

12
sim/mips/interp.c
View File

@ -1683,7 +1683,7 @@ signal_exception (SIM_DESC sd,
else
PC = cia;
sim_engine_halt (sd, STATE_CPU (sd, 0), NULL, cia,
sim_stopped, SIGTRAP);
sim_stopped, SIM_SIGTRAP);
default:
/* Store exception code into current exception id variable (used
@ -1738,25 +1738,25 @@ signal_exception (SIM_DESC sd,
exception address on breakpoint operations. */
PC = EPC;
sim_engine_halt (sd, STATE_CPU (sd, 0), NULL, NULL_CIA,
sim_stopped, SIGBUS);
sim_stopped, SIM_SIGBUS);
case ReservedInstruction:
case CoProcessorUnusable:
PC = EPC;
sim_engine_halt (sd, STATE_CPU (sd, 0), NULL, NULL_CIA,
sim_stopped, SIGILL);
sim_stopped, SIM_SIGILL);
case IntegerOverflow:
case FPE:
sim_engine_halt (sd, STATE_CPU (sd, 0), NULL, NULL_CIA,
sim_stopped, SIGFPE);
sim_stopped, SIM_SIGFPE);
case Trap:
case Watch:
case SystemCall:
PC = EPC;
sim_engine_halt (sd, STATE_CPU (sd, 0), NULL, NULL_CIA,
sim_stopped, SIGTRAP);
sim_stopped, SIM_SIGTRAP);
case BreakPoint:
PC = EPC;
@ -1766,7 +1766,7 @@ signal_exception (SIM_DESC sd,
default : /* Unknown internal exception */
PC = EPC;
sim_engine_halt (sd, STATE_CPU (sd, 0), NULL, NULL_CIA,
sim_stopped, SIGQUIT);
sim_stopped, SIM_SIGABRT);
}

10
sim/mips/sim-main.h
View File

@ -72,16 +72,6 @@ typedef unsigned64 uword64;
/* Check if a value will fit within a halfword: */
#define NOTHALFWORDVALUE(v) ((((((uword64)(v)>>16) == 0) && !((v) & ((unsigned)1 << 15))) || (((((uword64)(v)>>32) == 0xFFFFFFFF) && ((((uword64)(v)>>16) & 0xFFFF) == 0xFFFF)) && ((v) & ((unsigned)1 << 15)))) ? (1 == 0) : (1 == 1))
/* windows always looses */
#include <signal.h>
#ifndef SIGBUS
#define SIGBUS SIGSEGV
#endif
#ifdef _WIN32
#define SIGTRAP 5
#define SIGQUIT 3
#endif
/* Floating-point operations: */