diff options
| -rwxr-xr-x | py/gc.c | 10 | ||||
| -rw-r--r-- | py/gc.h | 11 | ||||
| -rwxr-xr-x | py/gc_long_lived.c | 5 |
3 files changed, 16 insertions, 10 deletions
@@ -53,9 +53,6 @@ // detect untraced object still in use #define CLEAR_ON_SWEEP (0) -#define WORDS_PER_BLOCK ((MICROPY_BYTES_PER_GC_BLOCK) / BYTES_PER_WORD) -#define BYTES_PER_BLOCK (MICROPY_BYTES_PER_GC_BLOCK) - // ATB = allocation table byte // 0b00 = FREE -- free block // 0b01 = HEAD -- head of a chain of blocks @@ -209,13 +206,6 @@ bool gc_is_locked(void) { return MP_STATE_MEM(gc_lock_depth) != 0; } -// ptr should be of type void* -#define VERIFY_PTR(ptr) ( \ - ((uintptr_t)(ptr) & (BYTES_PER_BLOCK - 1)) == 0 /* must be aligned on a block */ \ - && ptr >= (void*)MP_STATE_MEM(gc_pool_start) /* must be above start of pool */ \ - && ptr < (void*)MP_STATE_MEM(gc_pool_end) /* must be below end of pool */ \ - ) - #ifndef TRACE_MARK #if DEBUG_PRINT #define TRACE_MARK(block, ptr) DEBUG_printf("gc_mark(%p)\n", ptr) @@ -29,8 +29,19 @@ #include <stdint.h> #include "py/mpconfig.h" +#include "py/mpstate.h" #include "py/misc.h" +#define WORDS_PER_BLOCK ((MICROPY_BYTES_PER_GC_BLOCK) / BYTES_PER_WORD) +#define BYTES_PER_BLOCK (MICROPY_BYTES_PER_GC_BLOCK) + +// ptr should be of type void* +#define VERIFY_PTR(ptr) ( \ + ((uintptr_t)(ptr) & (BYTES_PER_BLOCK - 1)) == 0 /* must be aligned on a block */ \ + && ptr >= (void*)MP_STATE_MEM(gc_pool_start) /* must be above start of pool */ \ + && ptr < (void*)MP_STATE_MEM(gc_pool_end) /* must be below end of pool */ \ + ) + void gc_init(void *start, void *end); void gc_deinit(void); diff --git a/py/gc_long_lived.c b/py/gc_long_lived.c index 49bf1fcd7..01c22a7af 100755 --- a/py/gc_long_lived.c +++ b/py/gc_long_lived.c @@ -126,6 +126,11 @@ mp_obj_t make_obj_long_lived(mp_obj_t obj, uint8_t max_depth){ if (obj == NULL) { return obj; } + // If not in the GC pool, do nothing. This can happen (at least) when + // there are frozen mp_type_bytes objects in ROM. + if (!VERIFY_PTR((void *)obj)) { + return obj; + } if (MP_OBJ_IS_TYPE(obj, &mp_type_fun_bc)) { mp_obj_fun_bc_t *fun_bc = MP_OBJ_TO_PTR(obj); return MP_OBJ_FROM_PTR(make_fun_bc_long_lived(fun_bc, max_depth)); |