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-rw-r--r--memory/build/mozjemalloc_compat.c182
1 files changed, 0 insertions, 182 deletions
diff --git a/memory/build/mozjemalloc_compat.c b/memory/build/mozjemalloc_compat.c
deleted file mode 100644
index 6591892c1..000000000
--- a/memory/build/mozjemalloc_compat.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef MOZ_JEMALLOC4
-# error Should only compile this file when building with jemalloc 3
-#endif
-
-#define MOZ_JEMALLOC_IMPL
-
-#include "mozmemory_wrap.h"
-#include "jemalloc_types.h"
-#include "mozilla/Types.h"
-
-#include <stdbool.h>
-
-#if defined(MOZ_SYSTEM_JEMALLOC)
-# include MALLOC_H
-#else
-# include "jemalloc/jemalloc.h"
-#endif
-
-/*
- * CTL_* macros are from memory/jemalloc/src/src/stats.c with changes:
- * - drop `t' argument to avoid redundancy in calculating type size
- * - require `i' argument for arena number explicitly
- */
-
-#define CTL_GET(n, v) do { \
- size_t sz = sizeof(v); \
- je_(mallctl)(n, &v, &sz, NULL, 0); \
-} while (0)
-
-#define CTL_I_GET(n, v, i) do { \
- size_t mib[6]; \
- size_t miblen = sizeof(mib) / sizeof(mib[0]); \
- size_t sz = sizeof(v); \
- je_(mallctlnametomib)(n, mib, &miblen); \
- mib[2] = i; \
- je_(mallctlbymib)(mib, miblen, &v, &sz, NULL, 0); \
-} while (0)
-
-#define CTL_IJ_GET(n, v, i, j) do { \
- size_t mib[6]; \
- size_t miblen = sizeof(mib) / sizeof(mib[0]); \
- size_t sz = sizeof(v); \
- je_(mallctlnametomib)(n, mib, &miblen); \
- mib[2] = i; \
- mib[4] = j; \
- je_(mallctlbymib)(mib, miblen, &v, &sz, NULL, 0); \
-} while (0)
-
-/*
- * VARIABLE_ARRAY is copied from
- * memory/jemalloc/src/include/jemalloc/internal/jemalloc_internal.h.in
- */
-#if __STDC_VERSION__ < 199901L
-# ifdef _MSC_VER
-# include <malloc.h>
-# define alloca _alloca
-# else
-# ifdef HAVE_ALLOCA_H
-# include <alloca.h>
-# else
-# include <stdlib.h>
-# endif
-# endif
-# define VARIABLE_ARRAY(type, name, count) \
- type *name = alloca(sizeof(type) * (count))
-#else
-# define VARIABLE_ARRAY(type, name, count) type name[(count)]
-#endif
-
-MOZ_MEMORY_API size_t
-malloc_good_size_impl(size_t size)
-{
- /* je_nallocx crashes when given a size of 0. As
- * malloc_usable_size(malloc(0)) and malloc_usable_size(malloc(1))
- * return the same value, use a size of 1. */
- if (size == 0)
- size = 1;
- return je_(nallocx)(size, 0);
-}
-
-static void
-compute_bin_unused_and_bookkeeping(jemalloc_stats_t *stats, unsigned int narenas)
-{
- size_t bin_unused = 0;
-
- uint32_t nregs; // number of regions per run in the j-th bin
- size_t reg_size; // size of regions served by the j-th bin
- size_t curruns; // number of runs belonging to a bin
- size_t curregs; // number of allocated regions in a bin
-
- unsigned int nbins; // number of bins per arena
- unsigned int i, j;
-
- size_t stats_metadata;
- size_t stats_ametadata = 0; // total internal allocations in all arenas
-
- // narenas also counts uninitialized arenas, and initialized arenas
- // are not guaranteed to be adjacent
- VARIABLE_ARRAY(bool, initialized, narenas);
- size_t isz = sizeof(initialized) / sizeof(initialized[0]);
-
- je_(mallctl)("arenas.initialized", initialized, &isz, NULL, 0);
- CTL_GET("arenas.nbins", nbins);
-
- for (j = 0; j < nbins; j++) {
- CTL_I_GET("arenas.bin.0.nregs", nregs, j);
- CTL_I_GET("arenas.bin.0.size", reg_size, j);
-
- for (i = 0; i < narenas; i++) {
- if (!initialized[i]) {
- continue;
- }
-
- CTL_IJ_GET("stats.arenas.0.bins.0.curruns", curruns, i, j);
- CTL_IJ_GET("stats.arenas.0.bins.0.curregs", curregs, i, j);
-
- bin_unused += (nregs * curruns - curregs) * reg_size;
- }
- }
-
- CTL_GET("stats.metadata", stats_metadata);
-
- /* get the summation for all arenas, i == narenas */
- CTL_I_GET("stats.arenas.0.metadata.allocated", stats_ametadata, narenas);
-
- stats->bookkeeping = stats_metadata - stats_ametadata;
- stats->bin_unused = bin_unused;
-}
-
-MOZ_JEMALLOC_API void
-jemalloc_stats_impl(jemalloc_stats_t *stats)
-{
- unsigned narenas;
- size_t active, allocated, mapped, page, pdirty;
- size_t lg_chunk;
-
- // Refresh jemalloc's stats by updating its epoch, see ctl_refresh in
- // src/ctl.c
- uint64_t epoch = 0;
- size_t esz = sizeof(epoch);
- je_(mallctl)("epoch", &epoch, &esz, &epoch, esz);
-
- CTL_GET("arenas.narenas", narenas);
- CTL_GET("arenas.page", page);
- CTL_GET("stats.active", active);
- CTL_GET("stats.allocated", allocated);
- CTL_GET("stats.mapped", mapped);
- CTL_GET("opt.lg_chunk", lg_chunk);
-
- /* get the summation for all arenas, i == narenas */
- CTL_I_GET("stats.arenas.0.pdirty", pdirty, narenas);
-
- stats->chunksize = (size_t) 1 << lg_chunk;
- stats->mapped = mapped;
- stats->allocated = allocated;
- stats->waste = active - allocated;
- stats->page_cache = pdirty * page;
- compute_bin_unused_and_bookkeeping(stats, narenas);
- stats->waste -= stats->bin_unused;
-}
-
-MOZ_JEMALLOC_API void
-jemalloc_purge_freed_pages_impl()
-{
-}
-
-MOZ_JEMALLOC_API void
-jemalloc_free_dirty_pages_impl()
-{
- unsigned narenas;
- size_t mib[3];
- size_t miblen = sizeof(mib) / sizeof(mib[0]);
-
- CTL_GET("arenas.narenas", narenas);
- je_(mallctlnametomib)("arena.0.purge", mib, &miblen);
- mib[1] = narenas;
- je_(mallctlbymib)(mib, miblen, NULL, NULL, NULL, 0);
-}