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linux-user/xtensa: Use force_sig_fault

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Use the new function instead of setting up a target_siginfo_t
and calling queue_signal. Fill in the missing PC for SIGTRAP.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220107213243.212806-25-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2022-01-07 13:32:43 -08:00 committed by Laurent Vivier
parent ac80d8b151
commit 2dd4634963
1 changed files with 9 additions and 17 deletions
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26
linux-user/xtensa/cpu_loop.c
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@ -126,7 +126,6 @@ static void xtensa_underflow12(CPUXtensaState *env)
void cpu_loop(CPUXtensaState *env)
{
CPUState *cs = env_cpu(env);
target_siginfo_t info;
abi_ulong ret;
int trapnr;
@ -163,14 +162,12 @@ void cpu_loop(CPUXtensaState *env)
case EXC_USER:
switch (env->sregs[EXCCAUSE]) {
case ILLEGAL_INSTRUCTION_CAUSE:
force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLOPC,
env->sregs[EPC1]);
break;
case PRIVILEGED_CAUSE:
info.si_signo = TARGET_SIGILL;
info.si_errno = 0;
info.si_code =
env->sregs[EXCCAUSE] == ILLEGAL_INSTRUCTION_CAUSE ?
TARGET_ILL_ILLOPC : TARGET_ILL_PRVOPC;
info._sifields._sigfault._addr = env->sregs[EPC1];
queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVOPC,
env->sregs[EPC1]);
break;
case SYSCALL_CAUSE:
@ -219,11 +216,8 @@ void cpu_loop(CPUXtensaState *env)
break;
case INTEGER_DIVIDE_BY_ZERO_CAUSE:
info.si_signo = TARGET_SIGFPE;
info.si_errno = 0;
info.si_code = TARGET_FPE_INTDIV;
info._sifields._sigfault._addr = env->sregs[EPC1];
queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
force_sig_fault(TARGET_SIGFPE, TARGET_FPE_INTDIV,
env->sregs[EPC1]);
break;
default:
@ -232,10 +226,8 @@ void cpu_loop(CPUXtensaState *env)
}
break;
case EXCP_DEBUG:
info.si_signo = TARGET_SIGTRAP;
info.si_errno = 0;
info.si_code = TARGET_TRAP_BRKPT;
queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT,
env->sregs[EPC1]);
break;
case EXC_DEBUG:
default: