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-rw-r--r--py/vm.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/py/vm.c b/py/vm.c
index ae66ed1fff..b82a1eda57 100644
--- a/py/vm.c
+++ b/py/vm.c
@@ -103,11 +103,11 @@ typedef enum {
mp_vm_return_kind_t mp_execute_bytecode(mp_code_state *code_state, volatile mp_obj_t inject_exc) {
#define SELECTIVE_EXC_IP (0)
#if SELECTIVE_EXC_IP
-#define MARK_EXC_IP_SELECTIVE() { code_state->ip = ip - 1; }
+#define MARK_EXC_IP_SELECTIVE() { code_state->ip = ip; } /* stores ip 1 byte past last opcode */
#define MARK_EXC_IP_GLOBAL()
#else
#define MARK_EXC_IP_SELECTIVE()
-#define MARK_EXC_IP_GLOBAL() { code_state->ip = ip; }
+#define MARK_EXC_IP_GLOBAL() { code_state->ip = ip; } /* stores ip pointing to last opcode */
#endif
#if MICROPY_OPT_COMPUTED_GOTO
#include "vmentrytable.h"
@@ -545,7 +545,11 @@ unwind_jump:;
ENTRY(MP_BC_SETUP_EXCEPT):
ENTRY(MP_BC_SETUP_FINALLY): {
MARK_EXC_IP_SELECTIVE();
- PUSH_EXC_BLOCK((*code_state->ip == MP_BC_SETUP_FINALLY) ? 1 : 0);
+ #if SELECTIVE_EXC_IP
+ PUSH_EXC_BLOCK((code_state->ip[-1] == MP_BC_SETUP_FINALLY) ? 1 : 0);
+ #else
+ PUSH_EXC_BLOCK((code_state->ip[0] == MP_BC_SETUP_FINALLY) ? 1 : 0);
+ #endif
DISPATCH();
}
@@ -1005,6 +1009,11 @@ pending_exception_check:
exception_handler:
// exception occurred
+ #if SELECTIVE_EXC_IP
+ // with selective ip, we store the ip 1 byte past the opcode, so move ptr back
+ code_state->ip -= 1;
+ #endif
+
// check if it's a StopIteration within a for block
if (*code_state->ip == MP_BC_FOR_ITER && mp_obj_is_subclass_fast(mp_obj_get_type(nlr.ret_val), &mp_type_StopIteration)) {
const byte *ip = code_state->ip + 1;