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[python/port] Fix gc_collect_root on emscripten

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Any data access should be aligned.
This commit is contained in:
Léa Saviot
2020-01-22 10:05:10 +01:00
parent d70c4c7205
commit 86bd4be03e
3 changed files with 30 additions and 23 deletions
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8
python/port/mod/turtle/modturtle.cpp
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@@ -3,17 +3,13 @@ extern "C" {
#include <py/gc.h>
}
#include "turtle.h"
#include "../../port.h"
static Turtle sTurtle;
void modturtle_gc_collect() {
// Mark the shared sTurtle object as a GC root
for (size_t i = 0; i < sizeof(void *); i++) {
// See comment in port.cpp: gc_collect implementation
char * turtleWithOffset = (char *)&sTurtle + i;
size_t turtleLengthInAddressSize = (sizeof(Turtle) - i + sizeof(void *) - 1)/sizeof(void *);
gc_collect_root((void **)turtleWithOffset, turtleLengthInAddressSize);
}
MicroPython::collectRootsAtAddress((char *)&sTurtle, sizeof(Turtle));
}
void modturtle_view_did_disappear() {