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bsd-user/arm/target_arch_cpu.h: Implement data abort exceptions

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Implement EXCP_PREFETCH_ABORT AND EXCP_DATA_ABORT. Both of these data
exceptions cause a SIGSEGV.

Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Olivier Houchard <cognet@ci0.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2021-09-23 08:57:14 -06:00
parent 70985aec1c
commit ef1412bd84
1 changed files with 11 additions and 0 deletions
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11
bsd-user/arm/target_arch_cpu.h
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@ -65,6 +65,17 @@ static inline void target_cpu_loop(CPUARMState *env)
case EXCP_INTERRUPT: case EXCP_INTERRUPT:
/* just indicate that signals should be handled asap */ /* just indicate that signals should be handled asap */
break; break;
case EXCP_PREFETCH_ABORT:
/* See arm/arm/trap.c prefetch_abort_handler() */
case EXCP_DATA_ABORT:
/* See arm/arm/trap.c data_abort_handler() */
info.si_signo = TARGET_SIGSEGV;
info.si_errno = 0;
/* XXX: check env->error_code */
info.si_code = 0;
info.si_addr = env->exception.vaddress;
queue_signal(env, info.si_signo, &info);
break;
case EXCP_DEBUG: case EXCP_DEBUG:
{ {