linux-user/ppc: deliver SIGTRAP on POWERPC_EXCP_TRAP

Handle POWERPC_EXCP_TRAP in cpu_loop to deliver SIGTRAP on tw[i]/td[i].
The si_code comes from do_program_check in the kernel source file
arch/powerpc/kernel/traps.c

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220113170456.1796911-2-matheus.ferst@eldorado.org.br>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

diff --git a/linux-user/ppc/cpu_loop.c b/linux-user/ppc/cpu_loop.c
index c5d8099..b468f19 100644 (file)
--- a/linux-user/ppc/cpu_loop.c
+++ b/linux-user/ppc/cpu_loop.c
@@ -181,7 +181,8 @@ void cpu_loop(CPUPPCState *env)
                 }
                 break;
             case POWERPC_EXCP_TRAP:
-                cpu_abort(cs, "Tried to call a TRAP\n");
+                si_signo = TARGET_SIGTRAP;
+                si_code = TARGET_TRAP_BRKPT;
                 break;
             default:
                 /* Should not happen ! */