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Diffstat (limited to 'linux-user/s390x/cpu_loop.c')
-rw-r--r--linux-user/s390x/cpu_loop.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/linux-user/s390x/cpu_loop.c b/linux-user/s390x/cpu_loop.c
index 69b69981f6..8b7ac2879e 100644
--- a/linux-user/s390x/cpu_loop.c
+++ b/linux-user/s390x/cpu_loop.c
@@ -18,14 +18,11 @@
*/
#include "qemu/osdep.h"
-#include "qemu-common.h"
#include "qemu.h"
#include "user-internals.h"
#include "cpu_loop-common.h"
#include "signal-common.h"
-/* s390x masks the fault address it reports in si_addr for SIGSEGV and SIGBUS */
-#define S390X_FAIL_ADDR_MASK -4096LL
static int get_pgm_data_si_code(int dxc_code)
{
@@ -60,7 +57,6 @@ void cpu_loop(CPUS390XState *env)
{
CPUState *cs = env_cpu(env);
int trapnr, n, sig;
- target_siginfo_t info;
target_ulong addr;
abi_long ret;
@@ -85,11 +81,20 @@ void cpu_loop(CPUS390XState *env)
ret = do_syscall(env, n, env->regs[2], env->regs[3],
env->regs[4], env->regs[5],
env->regs[6], env->regs[7], 0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
+ if (ret == -QEMU_ERESTARTSYS) {
env->psw.addr -= env->int_svc_ilen;
- } else if (ret != -TARGET_QEMU_ESIGRETURN) {
+ } else if (ret != -QEMU_ESIGRETURN) {
env->regs[2] = ret;
}
+
+ if (unlikely(cs->singlestep_enabled)) {
+ /*
+ * cpu_tb_exec() did not raise EXCP_DEBUG, because it has seen
+ * that EXCP_SVC was already pending.
+ */
+ cs->exception_index = EXCP_DEBUG;
+ }
+
break;
case EXCP_DEBUG:
@@ -111,12 +116,13 @@ void cpu_loop(CPUS390XState *env)
n = TARGET_ILL_ILLOPC;
goto do_signal_pc;
case PGM_PROTECTION:
+ force_sig_fault(TARGET_SIGSEGV, TARGET_SEGV_ACCERR,
+ env->__excp_addr);
+ break;
case PGM_ADDRESSING:
- sig = TARGET_SIGSEGV;
- /* XXX: check env->error_code */
- n = TARGET_SEGV_MAPERR;
- addr = env->__excp_addr & S390X_FAIL_ADDR_MASK;
- goto do_signal;
+ force_sig_fault(TARGET_SIGSEGV, TARGET_SEGV_MAPERR,
+ env->__excp_addr);
+ break;
case PGM_EXECUTE:
case PGM_SPECIFICATION:
case PGM_SPECIAL_OP:
@@ -159,11 +165,7 @@ void cpu_loop(CPUS390XState *env)
*/
env->psw.addr += env->int_pgm_ilen;
do_signal:
- info.si_signo = sig;
- info.si_errno = 0;
- info.si_code = n;
- info._sifields._sigfault._addr = addr;
- queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
+ force_sig_fault(sig, n, addr);
break;
case EXCP_ATOMIC: