332 lines
9.9 KiB
C
332 lines
9.9 KiB
C
#ifndef JEMALLOC_INTERNAL_EXTENT_INLINES_H
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#define JEMALLOC_INTERNAL_EXTENT_INLINES_H
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#ifndef JEMALLOC_ENABLE_INLINE
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arena_t *extent_arena_get(const extent_t *extent);
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szind_t extent_szind_get_maybe_invalid(const extent_t *extent);
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szind_t extent_szind_get(const extent_t *extent);
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size_t extent_usize_get(const extent_t *extent);
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size_t extent_sn_get(const extent_t *extent);
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extent_state_t extent_state_get(const extent_t *extent);
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bool extent_zeroed_get(const extent_t *extent);
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bool extent_committed_get(const extent_t *extent);
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bool extent_slab_get(const extent_t *extent);
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void *extent_base_get(const extent_t *extent);
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void *extent_addr_get(const extent_t *extent);
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size_t extent_size_get(const extent_t *extent);
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void *extent_before_get(const extent_t *extent);
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void *extent_last_get(const extent_t *extent);
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void *extent_past_get(const extent_t *extent);
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arena_slab_data_t *extent_slab_data_get(extent_t *extent);
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const arena_slab_data_t *extent_slab_data_get_const(const extent_t *extent);
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prof_tctx_t *extent_prof_tctx_get(const extent_t *extent);
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void extent_arena_set(extent_t *extent, arena_t *arena);
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void extent_addr_set(extent_t *extent, void *addr);
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void extent_addr_randomize(tsdn_t *tsdn, extent_t *extent, size_t alignment);
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void extent_size_set(extent_t *extent, size_t size);
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void extent_szind_set(extent_t *extent, szind_t szind);
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void extent_sn_set(extent_t *extent, size_t sn);
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void extent_state_set(extent_t *extent, extent_state_t state);
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void extent_zeroed_set(extent_t *extent, bool zeroed);
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void extent_committed_set(extent_t *extent, bool committed);
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void extent_slab_set(extent_t *extent, bool slab);
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void extent_prof_tctx_set(extent_t *extent, prof_tctx_t *tctx);
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void extent_init(extent_t *extent, arena_t *arena, void *addr, size_t size,
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bool slab, szind_t szind, size_t sn, extent_state_t state, bool zeroed,
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bool committed);
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void extent_list_init(extent_list_t *list);
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extent_t *extent_list_first(const extent_list_t *list);
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extent_t *extent_list_last(const extent_list_t *list);
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void extent_list_append(extent_list_t *list, extent_t *extent);
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void extent_list_replace(extent_list_t *list, extent_t *to_remove,
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extent_t *to_insert);
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void extent_list_remove(extent_list_t *list, extent_t *extent);
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int extent_sn_comp(const extent_t *a, const extent_t *b);
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int extent_ad_comp(const extent_t *a, const extent_t *b);
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int extent_snad_comp(const extent_t *a, const extent_t *b);
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#endif
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#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_EXTENT_C_))
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JEMALLOC_INLINE arena_t *
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extent_arena_get(const extent_t *extent) {
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unsigned arena_ind = (unsigned)((extent->e_bits &
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EXTENT_BITS_ARENA_MASK) >> EXTENT_BITS_ARENA_SHIFT);
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/*
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* The following check is omitted because we should never actually read
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* a NULL arena pointer.
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*/
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if (false && arena_ind > MALLOCX_ARENA_MAX) {
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return NULL;
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}
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assert(arena_ind <= MALLOCX_ARENA_MAX);
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return arenas[arena_ind];
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}
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JEMALLOC_INLINE szind_t
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extent_szind_get_maybe_invalid(const extent_t *extent) {
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szind_t szind = (szind_t)((extent->e_bits & EXTENT_BITS_SZIND_MASK) >>
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EXTENT_BITS_SZIND_SHIFT);
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assert(szind <= NSIZES);
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return szind;
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}
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JEMALLOC_INLINE szind_t
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extent_szind_get(const extent_t *extent) {
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szind_t szind = extent_szind_get_maybe_invalid(extent);
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assert(szind < NSIZES); /* Never call when "invalid". */
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return szind;
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}
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JEMALLOC_INLINE size_t
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extent_usize_get(const extent_t *extent) {
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return index2size(extent_szind_get(extent));
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}
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JEMALLOC_INLINE size_t
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extent_sn_get(const extent_t *extent) {
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return (size_t)((extent->e_bits & EXTENT_BITS_SN_MASK) >>
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EXTENT_BITS_SN_SHIFT);
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}
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JEMALLOC_INLINE extent_state_t
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extent_state_get(const extent_t *extent) {
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return (extent_state_t)((extent->e_bits & EXTENT_BITS_STATE_MASK) >>
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EXTENT_BITS_STATE_SHIFT);
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}
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JEMALLOC_INLINE bool
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extent_zeroed_get(const extent_t *extent) {
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return (bool)((extent->e_bits & EXTENT_BITS_ZEROED_MASK) >>
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EXTENT_BITS_ZEROED_SHIFT);
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}
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JEMALLOC_INLINE bool
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extent_committed_get(const extent_t *extent) {
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return (bool)((extent->e_bits & EXTENT_BITS_COMMITTED_MASK) >>
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EXTENT_BITS_COMMITTED_SHIFT);
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}
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JEMALLOC_INLINE bool
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extent_slab_get(const extent_t *extent) {
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return (bool)((extent->e_bits & EXTENT_BITS_SLAB_MASK) >>
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EXTENT_BITS_SLAB_SHIFT);
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}
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JEMALLOC_INLINE void *
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extent_base_get(const extent_t *extent) {
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assert(extent->e_addr == PAGE_ADDR2BASE(extent->e_addr) ||
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!extent_slab_get(extent));
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return PAGE_ADDR2BASE(extent->e_addr);
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}
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JEMALLOC_INLINE void *
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extent_addr_get(const extent_t *extent) {
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assert(extent->e_addr == PAGE_ADDR2BASE(extent->e_addr) ||
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!extent_slab_get(extent));
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return extent->e_addr;
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}
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JEMALLOC_INLINE size_t
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extent_size_get(const extent_t *extent) {
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return extent->e_size;
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}
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JEMALLOC_INLINE void *
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extent_before_get(const extent_t *extent) {
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return (void *)((uintptr_t)extent_base_get(extent) - PAGE);
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}
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JEMALLOC_INLINE void *
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extent_last_get(const extent_t *extent) {
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return (void *)((uintptr_t)extent_base_get(extent) +
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extent_size_get(extent) - PAGE);
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}
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JEMALLOC_INLINE void *
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extent_past_get(const extent_t *extent) {
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return (void *)((uintptr_t)extent_base_get(extent) +
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extent_size_get(extent));
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}
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JEMALLOC_INLINE arena_slab_data_t *
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extent_slab_data_get(extent_t *extent) {
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assert(extent_slab_get(extent));
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return &extent->e_slab_data;
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}
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JEMALLOC_INLINE const arena_slab_data_t *
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extent_slab_data_get_const(const extent_t *extent) {
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assert(extent_slab_get(extent));
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return &extent->e_slab_data;
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}
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JEMALLOC_INLINE prof_tctx_t *
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extent_prof_tctx_get(const extent_t *extent) {
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return (prof_tctx_t *)atomic_read_p(
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&((extent_t *)extent)->e_prof_tctx_pun);
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}
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JEMALLOC_INLINE void
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extent_arena_set(extent_t *extent, arena_t *arena) {
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unsigned arena_ind = (arena != NULL) ? arena_ind_get(arena) : ((1U <<
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MALLOCX_ARENA_BITS) - 1);
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extent->e_bits = (extent->e_bits & ~EXTENT_BITS_ARENA_MASK) |
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((uint64_t)arena_ind << EXTENT_BITS_ARENA_SHIFT);
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}
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JEMALLOC_INLINE void
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extent_addr_set(extent_t *extent, void *addr) {
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extent->e_addr = addr;
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}
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JEMALLOC_INLINE void
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extent_addr_randomize(tsdn_t *tsdn, extent_t *extent, size_t alignment) {
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assert(extent_base_get(extent) == extent_addr_get(extent));
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if (alignment < PAGE) {
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unsigned lg_range = LG_PAGE -
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lg_floor(CACHELINE_CEILING(alignment));
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size_t r =
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prng_lg_range_zu(&extent_arena_get(extent)->offset_state,
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lg_range, true);
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uintptr_t random_offset = ((uintptr_t)r) << (LG_PAGE -
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lg_range);
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extent->e_addr = (void *)((uintptr_t)extent->e_addr +
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random_offset);
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assert(ALIGNMENT_ADDR2BASE(extent->e_addr, alignment) ==
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extent->e_addr);
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}
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}
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JEMALLOC_INLINE void
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extent_size_set(extent_t *extent, size_t size) {
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extent->e_size = size;
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}
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JEMALLOC_INLINE void
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extent_szind_set(extent_t *extent, szind_t szind) {
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assert(szind <= NSIZES); /* NSIZES means "invalid". */
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extent->e_bits = (extent->e_bits & ~EXTENT_BITS_SZIND_MASK) |
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((uint64_t)szind << EXTENT_BITS_SZIND_SHIFT);
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}
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JEMALLOC_INLINE void
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extent_sn_set(extent_t *extent, size_t sn) {
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extent->e_bits = (extent->e_bits & ~EXTENT_BITS_SN_MASK) |
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((uint64_t)sn << EXTENT_BITS_SN_SHIFT);
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}
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JEMALLOC_INLINE void
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extent_state_set(extent_t *extent, extent_state_t state) {
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extent->e_bits = (extent->e_bits & ~EXTENT_BITS_STATE_MASK) |
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((uint64_t)state << EXTENT_BITS_STATE_SHIFT);
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}
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JEMALLOC_INLINE void
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extent_zeroed_set(extent_t *extent, bool zeroed) {
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extent->e_bits = (extent->e_bits & ~EXTENT_BITS_ZEROED_MASK) |
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((uint64_t)zeroed << EXTENT_BITS_ZEROED_SHIFT);
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}
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JEMALLOC_INLINE void
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extent_committed_set(extent_t *extent, bool committed) {
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extent->e_bits = (extent->e_bits & ~EXTENT_BITS_COMMITTED_MASK) |
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((uint64_t)committed << EXTENT_BITS_COMMITTED_SHIFT);
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}
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JEMALLOC_INLINE void
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extent_slab_set(extent_t *extent, bool slab) {
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extent->e_bits = (extent->e_bits & ~EXTENT_BITS_SLAB_MASK) |
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((uint64_t)slab << EXTENT_BITS_SLAB_SHIFT);
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}
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JEMALLOC_INLINE void
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extent_prof_tctx_set(extent_t *extent, prof_tctx_t *tctx) {
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atomic_write_p(&extent->e_prof_tctx_pun, tctx);
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}
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JEMALLOC_INLINE void
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extent_init(extent_t *extent, arena_t *arena, void *addr, size_t size,
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bool slab, szind_t szind, size_t sn, extent_state_t state, bool zeroed,
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bool committed) {
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assert(addr == PAGE_ADDR2BASE(addr) || !slab);
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extent_arena_set(extent, arena);
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extent_addr_set(extent, addr);
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extent_size_set(extent, size);
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extent_slab_set(extent, slab);
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extent_szind_set(extent, szind);
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extent_sn_set(extent, sn);
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extent_state_set(extent, state);
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extent_zeroed_set(extent, zeroed);
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extent_committed_set(extent, committed);
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if (config_prof) {
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extent_prof_tctx_set(extent, NULL);
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}
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ql_elm_new(extent, ql_link);
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}
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JEMALLOC_INLINE void
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extent_list_init(extent_list_t *list) {
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ql_new(list);
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}
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JEMALLOC_INLINE extent_t *
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extent_list_first(const extent_list_t *list) {
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return ql_first(list);
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}
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JEMALLOC_INLINE extent_t *
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extent_list_last(const extent_list_t *list) {
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return ql_last(list, ql_link);
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}
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JEMALLOC_INLINE void
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extent_list_append(extent_list_t *list, extent_t *extent) {
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ql_tail_insert(list, extent, ql_link);
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}
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JEMALLOC_INLINE void
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extent_list_replace(extent_list_t *list, extent_t *to_remove,
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extent_t *to_insert) {
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ql_after_insert(to_remove, to_insert, ql_link);
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ql_remove(list, to_remove, ql_link);
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}
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JEMALLOC_INLINE void
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extent_list_remove(extent_list_t *list, extent_t *extent) {
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ql_remove(list, extent, ql_link);
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}
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JEMALLOC_INLINE int
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extent_sn_comp(const extent_t *a, const extent_t *b) {
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size_t a_sn = extent_sn_get(a);
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size_t b_sn = extent_sn_get(b);
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return (a_sn > b_sn) - (a_sn < b_sn);
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}
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JEMALLOC_INLINE int
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extent_ad_comp(const extent_t *a, const extent_t *b) {
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uintptr_t a_addr = (uintptr_t)extent_addr_get(a);
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uintptr_t b_addr = (uintptr_t)extent_addr_get(b);
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return (a_addr > b_addr) - (a_addr < b_addr);
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}
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JEMALLOC_INLINE int
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extent_snad_comp(const extent_t *a, const extent_t *b) {
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int ret;
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ret = extent_sn_comp(a, b);
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if (ret != 0) {
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return ret;
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}
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ret = extent_ad_comp(a, b);
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return ret;
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}
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#endif
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#endif /* JEMALLOC_INTERNAL_EXTENT_INLINES_H */
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