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authorRichard Henderson <richard.henderson@linaro.org>2022-01-07 13:32:22 -0800
committerLaurent Vivier <laurent@vivier.eu>2022-01-11 18:40:43 +0100
commit1c165977de21d02f8f1590499dd34fc748fbfffa (patch)
tree8f5b31f803d30886abdbd9b04ff1b14eca27ff81 /linux-user/alpha
parentd9c5d7cf4d8e8668e178b1a0dfdb0eaa2d4f0f8f (diff)
linux-user/alpha: Use force_sig_fault
Use the new function instead of setting up a target_siginfo_t and calling queue_signal. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220107213243.212806-4-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/alpha')
-rw-r--r--linux-user/alpha/cpu_loop.c61
1 files changed, 19 insertions, 42 deletions
diff --git a/linux-user/alpha/cpu_loop.c b/linux-user/alpha/cpu_loop.c
index caeea97b9d..de6e0c901c 100644
--- a/linux-user/alpha/cpu_loop.c
+++ b/linux-user/alpha/cpu_loop.c
@@ -27,8 +27,7 @@
void cpu_loop(CPUAlphaState *env)
{
CPUState *cs = env_cpu(env);
- int trapnr;
- target_siginfo_t info;
+ int trapnr, si_code;
abi_long sysret;
while (1) {
@@ -56,18 +55,10 @@ void cpu_loop(CPUAlphaState *env)
break;
case EXCP_OPCDEC:
do_sigill:
- info.si_signo = TARGET_SIGILL;
- info.si_errno = 0;
- info.si_code = TARGET_ILL_ILLOPC;
- info._sifields._sigfault._addr = env->pc;
- queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
+ force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLOPC, env->pc);
break;
case EXCP_ARITH:
- info.si_signo = TARGET_SIGFPE;
- info.si_errno = 0;
- info.si_code = TARGET_FPE_FLTINV;
- info._sifields._sigfault._addr = env->pc;
- queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
+ force_sig_fault(TARGET_SIGFPE, TARGET_FPE_FLTINV, env->pc);
break;
case EXCP_FEN:
/* No-op. Linux simply re-enables the FPU. */
@@ -76,20 +67,10 @@ void cpu_loop(CPUAlphaState *env)
switch (env->error_code) {
case 0x80:
/* BPT */
- 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);
- break;
+ goto do_sigtrap_brkpt;
case 0x81:
/* BUGCHK */
- info.si_signo = TARGET_SIGTRAP;
- info.si_errno = 0;
- info.si_code = TARGET_TRAP_UNK;
- info._sifields._sigfault._addr = env->pc;
- queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
- break;
+ goto do_sigtrap_unk;
case 0x83:
/* CALLSYS */
trapnr = env->ir[IR_V0];
@@ -130,47 +111,43 @@ void cpu_loop(CPUAlphaState *env)
abort();
case 0xAA:
/* GENTRAP */
- info.si_signo = TARGET_SIGFPE;
switch (env->ir[IR_A0]) {
case TARGET_GEN_INTOVF:
- info.si_code = TARGET_FPE_INTOVF;
+ si_code = TARGET_FPE_INTOVF;
break;
case TARGET_GEN_INTDIV:
- info.si_code = TARGET_FPE_INTDIV;
+ si_code = TARGET_FPE_INTDIV;
break;
case TARGET_GEN_FLTOVF:
- info.si_code = TARGET_FPE_FLTOVF;
+ si_code = TARGET_FPE_FLTOVF;
break;
case TARGET_GEN_FLTUND:
- info.si_code = TARGET_FPE_FLTUND;
+ si_code = TARGET_FPE_FLTUND;
break;
case TARGET_GEN_FLTINV:
- info.si_code = TARGET_FPE_FLTINV;
+ si_code = TARGET_FPE_FLTINV;
break;
case TARGET_GEN_FLTINE:
- info.si_code = TARGET_FPE_FLTRES;
+ si_code = TARGET_FPE_FLTRES;
break;
case TARGET_GEN_ROPRAND:
- info.si_code = TARGET_FPE_FLTUNK;
+ si_code = TARGET_FPE_FLTUNK;
break;
default:
- info.si_signo = TARGET_SIGTRAP;
- info.si_code = TARGET_TRAP_UNK;
- break;
+ goto do_sigtrap_unk;
}
- info.si_errno = 0;
- info._sifields._sigfault._addr = env->pc;
- queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
+ force_sig_fault(TARGET_SIGFPE, si_code, env->pc);
break;
default:
goto do_sigill;
}
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);
+ do_sigtrap_brkpt:
+ force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc);
+ break;
+ do_sigtrap_unk:
+ force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_UNK, env->pc);
break;
case EXCP_INTERRUPT:
/* Just indicate that signals should be handled asap. */