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py: Put all global state together in state structures.

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This patch consolidates all global variables in py/ core into one place,
in a global structure.  Root pointers are all located together to make
GC tracing easier and more efficient.
This commit is contained in:
Damien George
2015-01-01 23:30:53 +00:00
parent ad2307c92c
commit b4b10fd350
34 changed files with 464 additions and 295 deletions
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7
py/vm.c
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@@ -29,6 +29,7 @@
#include <string.h>
#include <assert.h>
#include "py/mpstate.h"
#include "py/nlr.h"
#include "py/emitglue.h"
#include "py/runtime.h"
@@ -991,10 +992,10 @@ yield:
#endif
pending_exception_check:
if (mp_pending_exception != MP_OBJ_NULL) {
if (MP_STATE_VM(mp_pending_exception) != MP_OBJ_NULL) {
MARK_EXC_IP_SELECTIVE();
mp_obj_t obj = mp_pending_exception;
mp_pending_exception = MP_OBJ_NULL;
mp_obj_t obj = MP_STATE_VM(mp_pending_exception);
MP_STATE_VM(mp_pending_exception) = MP_OBJ_NULL;
RAISE(obj);
}