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linux-user/aarch64: Use force_sig_fault()

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Use the new force_sig_fault() function instead of setting up
a target_siginfo_t and calling queue_signal().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210813131809.28655-8-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Peter Maydell 2021-08-13 14:18:09 +01:00 committed by Laurent Vivier
parent 4c90f0ba9d
commit fce9608d02
1 changed files with 8 additions and 25 deletions
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33
linux-user/aarch64/cpu_loop.c
View file

@ -79,9 +79,8 @@
void cpu_loop(CPUARMState *env)
{
CPUState *cs = env_cpu(env);
int trapnr, ec, fsc;
int trapnr, ec, fsc, si_code;
abi_long ret;
target_siginfo_t info;
for (;;) {
cpu_exec_start(cs);
@ -110,18 +109,10 @@ void cpu_loop(CPUARMState *env)
/* just indicate that signals should be handled asap */
break;
case EXCP_UDEF:
info.si_signo = TARGET_SIGILL;
info.si_errno = 0;
info.si_code = TARGET_ILL_ILLOPN;
info._sifields._sigfault._addr = env->pc;
queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLOPN, env->pc);
break;
case EXCP_PREFETCH_ABORT:
case EXCP_DATA_ABORT:
info.si_signo = TARGET_SIGSEGV;
info.si_errno = 0;
info._sifields._sigfault._addr = env->exception.vaddress;
/* We should only arrive here with EC in {DATAABORT, INSNABORT}. */
ec = syn_get_ec(env->exception.syndrome);
assert(ec == EC_DATAABORT || ec == EC_INSNABORT);
@ -130,28 +121,24 @@ void cpu_loop(CPUARMState *env)
fsc = extract32(env->exception.syndrome, 0, 6);
switch (fsc) {
case 0x04 ... 0x07: /* Translation fault, level {0-3} */
info.si_code = TARGET_SEGV_MAPERR;
si_code = TARGET_SEGV_MAPERR;
break;
case 0x09 ... 0x0b: /* Access flag fault, level {1-3} */
case 0x0d ... 0x0f: /* Permission fault, level {1-3} */
info.si_code = TARGET_SEGV_ACCERR;
si_code = TARGET_SEGV_ACCERR;
break;
case 0x11: /* Synchronous Tag Check Fault */
info.si_code = TARGET_SEGV_MTESERR;
si_code = TARGET_SEGV_MTESERR;
break;
default:
g_assert_not_reached();
}
queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
force_sig_fault(TARGET_SIGSEGV, si_code, env->exception.vaddress);
break;
case EXCP_DEBUG:
case EXCP_BKPT:
info.si_signo = TARGET_SIGTRAP;
info.si_errno = 0;
info.si_code = TARGET_TRAP_BRKPT;
info._sifields._sigfault._addr = env->pc;
queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc);
break;
case EXCP_SEMIHOST:
env->xregs[0] = do_common_semihosting(cs);
@ -171,11 +158,7 @@ void cpu_loop(CPUARMState *env)
/* Check for MTE asynchronous faults */
if (unlikely(env->cp15.tfsr_el[0])) {
env->cp15.tfsr_el[0] = 0;
info.si_signo = TARGET_SIGSEGV;
info.si_errno = 0;
info._sifields._sigfault._addr = 0;
info.si_code = TARGET_SEGV_MTEAERR;
queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
force_sig_fault(TARGET_SIGSEGV, TARGET_SEGV_MTEAERR, 0);
}
process_pending_signals(env);