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[PATCH v4 24/24] linux-user/xtensa: Use force_sig_fault
From: |
Richard Henderson |
Subject: |
[PATCH v4 24/24] linux-user/xtensa: Use force_sig_fault |
Date: |
Mon, 20 Dec 2021 13:05:28 -0800 |
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>
---
linux-user/xtensa/cpu_loop.c | 26 +++++++++-----------------
1 file changed, 9 insertions(+), 17 deletions(-)
diff --git a/linux-user/xtensa/cpu_loop.c b/linux-user/xtensa/cpu_loop.c
index a83490ab35..34775feb7c 100644
--- a/linux-user/xtensa/cpu_loop.c
+++ b/linux-user/xtensa/cpu_loop.c
@@ -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:
--
2.25.1
- [PATCH v4 15/24] linux-user/mips: Use force_sig_fault, (continued)
- [PATCH v4 15/24] linux-user/mips: Use force_sig_fault, Richard Henderson, 2021/12/20
- [PATCH v4 16/24] target/mips: Extract break code into env->error_code, Richard Henderson, 2021/12/20
- [PATCH v4 13/24] linux-user/microblaze: Fix SIGFPE si_codes, Richard Henderson, 2021/12/20
- [PATCH v4 18/24] linux-user/openrisc: Use force_sig_fault, Richard Henderson, 2021/12/20
- [PATCH v4 20/24] linux-user/riscv: Use force_sig_fault, Richard Henderson, 2021/12/20
- [PATCH v4 17/24] target/mips: Extract trap code into env->error_code, Richard Henderson, 2021/12/20
- [PATCH v4 19/24] linux-user/ppc: Use force_sig_fault, Richard Henderson, 2021/12/20
- [PATCH v4 21/24] linux-user/s390x: Use force_sig_fault, Richard Henderson, 2021/12/20
- [PATCH v4 23/24] linux-user/sparc: Use force_sig_fault, Richard Henderson, 2021/12/20
- [PATCH v4 22/24] linux-user/sh4: Use force_sig_fault, Richard Henderson, 2021/12/20
- [PATCH v4 24/24] linux-user/xtensa: Use force_sig_fault,
Richard Henderson <=