[PATCH v3 3/3] hvf: handle singlestepping over instructions which trigger a VM exit

[francesco . cagnin]

From: Francesco Cagnin <fcagnin@quarkslab.com>

Signed-off-by: Francesco Cagnin <fcagnin@quarkslab.com>
---
 target/arm/hvf/hvf.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index c63e8da6a5..87c531508e 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -1807,6 +1807,10 @@ int hvf_vcpu_exec(CPUState *cpu)
         pc += 4;
         r = hv_vcpu_set_reg(cpu->hvf->fd, HV_REG_PC, pc);
         assert_hvf_ok(r);
+
+        if (cpu->singlestep_enabled) {
+            ret = EXCP_DEBUG;
+        }
     }
 
     return ret;
-- 
2.39.0