Add android extensions.master-cuttlefish-testing-release

Bug: 62621531
Bug: 110158834

Test: Ran unit tests and benchmarks using libc.

Change-Id: Ie13ab8510c42f96b58496b0ab7e4f8c3a9cd2c6d

6 files changed, 431 insertions, 25 deletions

diff --git a/include/jemalloc/internal/arena_types.h b/include/jemalloc/internal/arena_types.h
index 70001b5f..423a5d88 100644
--- a/include/jemalloc/internal/arena_types.h
+++ b/include/jemalloc/internal/arena_types.h
@@ -6,8 +6,13 @@
 #define SLAB_MAXREGS		(1U << LG_SLAB_MAXREGS)
 
 /* Default decay times in milliseconds. */
+#if defined(__ANDROID__)
+#define DIRTY_DECAY_MS_DEFAULT	ZD(0)
+#define MUZZY_DECAY_MS_DEFAULT	ZD(0)
+#else
 #define DIRTY_DECAY_MS_DEFAULT	ZD(10 * 1000)
 #define MUZZY_DECAY_MS_DEFAULT	ZD(10 * 1000)
+#endif
 /* Number of event ticks between time checks. */
 #define DECAY_NTICKS_PER_UPDATE	1000
 
diff --git a/include/jemalloc/internal/jemalloc_internal_defs.h b/include/jemalloc/internal/jemalloc_internal_defs.h
index 99d1ba3e..29948a2c 100644
--- a/include/jemalloc/internal/jemalloc_internal_defs.h
+++ b/include/jemalloc/internal/jemalloc_internal_defs.h
@@ -1,3 +1,6 @@
+#if !defined(__ANDROID__)
+#include "jemalloc_internal_defs_host.h"
+#else
 /* include/jemalloc/internal/jemalloc_internal_defs.h.  Generated from jemalloc_internal_defs.h.in by configure.  */
 #ifndef JEMALLOC_INTERNAL_DEFS_H_
 #define JEMALLOC_INTERNAL_DEFS_H_
@@ -182,7 +185,7 @@
  * JEMALLOC_DSS enables use of sbrk(2) to allocate extents from the data storage
  * segment (DSS).
  */
-#define JEMALLOC_DSS 
+/* #undef JEMALLOC_DSS */
 
 /* Support memory filling (junk/zero). */
 #define JEMALLOC_FILL 
@@ -381,3 +384,4 @@
 #define JEMALLOC_STRERROR_R_RETURNS_CHAR_WITH_GNU_SOURCE 
 
 #endif /* JEMALLOC_INTERNAL_DEFS_H_ */
+#endif
diff --git a/include/jemalloc/internal/jemalloc_internal_defs_host.h b/include/jemalloc/internal/jemalloc_internal_defs_host.h
new file mode 100644
index 00000000..480a8356
--- /dev/null
+++ b/include/jemalloc/internal/jemalloc_internal_defs_host.h
@@ -0,0 +1,379 @@
+/* include/jemalloc/internal/jemalloc_internal_defs.h.  Generated from jemalloc_internal_defs.h.in by configure.  */
+#ifndef JEMALLOC_INTERNAL_DEFS_H_
+#define JEMALLOC_INTERNAL_DEFS_H_
+/*
+ * If JEMALLOC_PREFIX is defined via --with-jemalloc-prefix, it will cause all
+ * public APIs to be prefixed.  This makes it possible, with some care, to use
+ * multiple allocators simultaneously.
+ */
+/* #undef JEMALLOC_PREFIX */
+/* #undef JEMALLOC_CPREFIX */
+
+/*
+ * Define overrides for non-standard allocator-related functions if they are
+ * present on the system.
+ */
+#define JEMALLOC_OVERRIDE___LIBC_CALLOC 
+#define JEMALLOC_OVERRIDE___LIBC_FREE 
+#define JEMALLOC_OVERRIDE___LIBC_MALLOC 
+#define JEMALLOC_OVERRIDE___LIBC_MEMALIGN 
+#define JEMALLOC_OVERRIDE___LIBC_REALLOC 
+#define JEMALLOC_OVERRIDE___LIBC_VALLOC 
+/* #undef JEMALLOC_OVERRIDE___POSIX_MEMALIGN */
+
+/*
+ * JEMALLOC_PRIVATE_NAMESPACE is used as a prefix for all library-private APIs.
+ * For shared libraries, symbol visibility mechanisms prevent these symbols
+ * from being exported, but for static libraries, naming collisions are a real
+ * possibility.
+ */
+#define JEMALLOC_PRIVATE_NAMESPACE je_
+
+/*
+ * Hyper-threaded CPUs may need a special instruction inside spin loops in
+ * order to yield to another virtual CPU.
+ */
+#ifdef __x86_64__
+#define CPU_SPINWAIT __asm__ volatile("pause")
+#else
+#define CPU_SPINWAIT 
+#endif
+/* 1 if CPU_SPINWAIT is defined, 0 otherwise. */
+#define HAVE_CPU_SPINWAIT 1
+
+/*
+ * Number of significant bits in virtual addresses.  This may be less than the
+ * total number of bits in a pointer, e.g. on x64, for which the uppermost 16
+ * bits are the same as bit 47.
+ */
+#ifdef __LP64__
+#define LG_VADDR 48
+#else
+#define LG_VADDR 32
+#endif
+
+/* Defined if C11 atomics are available. */
+#define JEMALLOC_C11_ATOMICS 1
+
+/* Defined if GCC __atomic atomics are available. */
+#define JEMALLOC_GCC_ATOMIC_ATOMICS 1
+
+/* Defined if GCC __sync atomics are available. */
+#define JEMALLOC_GCC_SYNC_ATOMICS 1
+
+/*
+ * Defined if __sync_add_and_fetch(uint32_t *, uint32_t) and
+ * __sync_sub_and_fetch(uint32_t *, uint32_t) are available, despite
+ * __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 not being defined (which means the
+ * functions are defined in libgcc instead of being inlines).
+ */
+/* #undef JE_FORCE_SYNC_COMPARE_AND_SWAP_4 */
+
+/*
+ * Defined if __sync_add_and_fetch(uint64_t *, uint64_t) and
+ * __sync_sub_and_fetch(uint64_t *, uint64_t) are available, despite
+ * __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 not being defined (which means the
+ * functions are defined in libgcc instead of being inlines).
+ */
+/* #undef JE_FORCE_SYNC_COMPARE_AND_SWAP_8 */
+
+/*
+ * Defined if __builtin_clz() and __builtin_clzl() are available.
+ */
+#define JEMALLOC_HAVE_BUILTIN_CLZ 
+
+/*
+ * Defined if os_unfair_lock_*() functions are available, as provided by Darwin.
+ */
+/* #undef JEMALLOC_OS_UNFAIR_LOCK */
+
+/*
+ * Defined if OSSpin*() functions are available, as provided by Darwin, and
+ * documented in the spinlock(3) manual page.
+ */
+/* #undef JEMALLOC_OSSPIN */
+
+/* Defined if syscall(2) is usable. */
+#define JEMALLOC_USE_SYSCALL 
+
+/*
+ * Defined if secure_getenv(3) is available.
+ */
+/* #undef JEMALLOC_HAVE_SECURE_GETENV */
+
+/*
+ * Defined if issetugid(2) is available.
+ */
+/* #undef JEMALLOC_HAVE_ISSETUGID */
+
+/* Defined if pthread_atfork(3) is available. */
+#define JEMALLOC_HAVE_PTHREAD_ATFORK 
+
+/* Defined if pthread_setname_np(3) is available. */
+#define JEMALLOC_HAVE_PTHREAD_SETNAME_NP 
+
+/*
+ * Defined if clock_gettime(CLOCK_MONOTONIC_COARSE, ...) is available.
+ */
+#define JEMALLOC_HAVE_CLOCK_MONOTONIC_COARSE 1
+
+/*
+ * Defined if clock_gettime(CLOCK_MONOTONIC, ...) is available.
+ */
+#define JEMALLOC_HAVE_CLOCK_MONOTONIC 1
+
+/*
+ * Defined if mach_absolute_time() is available.
+ */
+/* #undef JEMALLOC_HAVE_MACH_ABSOLUTE_TIME */
+
+/*
+ * Defined if _malloc_thread_cleanup() exists.  At least in the case of
+ * FreeBSD, pthread_key_create() allocates, which if used during malloc
+ * bootstrapping will cause recursion into the pthreads library.  Therefore, if
+ * _malloc_thread_cleanup() exists, use it as the basis for thread cleanup in
+ * malloc_tsd.
+ */
+/* #undef JEMALLOC_MALLOC_THREAD_CLEANUP */
+
+/*
+ * Defined if threaded initialization is known to be safe on this platform.
+ * Among other things, it must be possible to initialize a mutex without
+ * triggering allocation in order for threaded allocation to be safe.
+ */
+#define JEMALLOC_THREADED_INIT 
+
+/*
+ * Defined if the pthreads implementation defines
+ * _pthread_mutex_init_calloc_cb(), in which case the function is used in order
+ * to avoid recursive allocation during mutex initialization.
+ */
+/* #undef JEMALLOC_MUTEX_INIT_CB */
+
+/* Non-empty if the tls_model attribute is supported. */
+#define JEMALLOC_TLS_MODEL __attribute__((tls_model("initial-exec")))
+
+/*
+ * JEMALLOC_DEBUG enables assertions and other sanity checks, and disables
+ * inline functions.
+ */
+/* #undef JEMALLOC_DEBUG */
+
+/* JEMALLOC_STATS enables statistics calculation. */
+#define JEMALLOC_STATS 
+
+/* JEMALLOC_PROF enables allocation profiling. */
+/* #undef JEMALLOC_PROF */
+
+/* Use libunwind for profile backtracing if defined. */
+/* #undef JEMALLOC_PROF_LIBUNWIND */
+
+/* Use libgcc for profile backtracing if defined. */
+/* #undef JEMALLOC_PROF_LIBGCC */
+
+/* Use gcc intrinsics for profile backtracing if defined. */
+/* #undef JEMALLOC_PROF_GCC */
+
+/*
+ * JEMALLOC_DSS enables use of sbrk(2) to allocate extents from the data storage
+ * segment (DSS).
+ */
+#define JEMALLOC_DSS 
+
+/* Support memory filling (junk/zero). */
+#define JEMALLOC_FILL 
+
+/* Support utrace(2)-based tracing. */
+/* #undef JEMALLOC_UTRACE */
+
+/* Support optional abort() on OOM. */
+/* #undef JEMALLOC_XMALLOC */
+
+/* Support lazy locking (avoid locking unless a second thread is launched). */
+/* #undef JEMALLOC_LAZY_LOCK */
+
+/*
+ * Minimum allocation alignment is 2^LG_QUANTUM bytes (ignoring tiny size
+ * classes).
+ */
+/* #undef LG_QUANTUM */
+
+/* One page is 2^LG_PAGE bytes. */
+#define LG_PAGE 12
+
+/*
+ * One huge page is 2^LG_HUGEPAGE bytes.  Note that this is defined even if the
+ * system does not explicitly support huge pages; system calls that require
+ * explicit huge page support are separately configured.
+ */
+#define LG_HUGEPAGE 21
+
+/*
+ * If defined, adjacent virtual memory mappings with identical attributes
+ * automatically coalesce, and they fragment when changes are made to subranges.
+ * This is the normal order of things for mmap()/munmap(), but on Windows
+ * VirtualAlloc()/VirtualFree() operations must be precisely matched, i.e.
+ * mappings do *not* coalesce/fragment.
+ */
+#define JEMALLOC_MAPS_COALESCE 
+
+/*
+ * If defined, retain memory for later reuse by default rather than using e.g.
+ * munmap() to unmap freed extents.  This is enabled on 64-bit Linux because
+ * common sequences of mmap()/munmap() calls will cause virtual memory map
+ * holes.
+ */
+#define JEMALLOC_RETAIN 
+
+/* TLS is used to map arenas and magazine caches to threads. */
+#define JEMALLOC_TLS 
+
+/*
+ * Used to mark unreachable code to quiet "end of non-void" compiler warnings.
+ * Don't use this directly; instead use unreachable() from util.h
+ */
+#define JEMALLOC_INTERNAL_UNREACHABLE __builtin_unreachable
+
+/*
+ * ffs*() functions to use for bitmapping.  Don't use these directly; instead,
+ * use ffs_*() from util.h.
+ */
+#define JEMALLOC_INTERNAL_FFSLL __builtin_ffsll
+#define JEMALLOC_INTERNAL_FFSL __builtin_ffsl
+#define JEMALLOC_INTERNAL_FFS __builtin_ffs
+
+/*
+ * If defined, explicitly attempt to more uniformly distribute large allocation
+ * pointer alignments across all cache indices.
+ */
+#define JEMALLOC_CACHE_OBLIVIOUS 
+
+/*
+ * If defined, enable logging facilities.  We make this a configure option to
+ * avoid taking extra branches everywhere.
+ */
+/* #undef JEMALLOC_LOG */
+
+/*
+ * Darwin (OS X) uses zones to work around Mach-O symbol override shortcomings.
+ */
+/* #undef JEMALLOC_ZONE */
+
+/*
+ * Methods for determining whether the OS overcommits.
+ * JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY: Linux's
+ *                                         /proc/sys/vm.overcommit_memory file.
+ * JEMALLOC_SYSCTL_VM_OVERCOMMIT: FreeBSD's vm.overcommit sysctl.
+ */
+/* #undef JEMALLOC_SYSCTL_VM_OVERCOMMIT */
+#define JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY 
+
+/* Defined if madvise(2) is available. */
+#define JEMALLOC_HAVE_MADVISE 
+
+/*
+ * Defined if transparent huge pages are supported via the MADV_[NO]HUGEPAGE
+ * arguments to madvise(2).
+ */
+#define JEMALLOC_HAVE_MADVISE_HUGE 
+
+/*
+ * Methods for purging unused pages differ between operating systems.
+ *
+ *   madvise(..., MADV_FREE) : This marks pages as being unused, such that they
+ *                             will be discarded rather than swapped out.
+ *   madvise(..., MADV_DONTNEED) : If JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS is
+ *                                 defined, this immediately discards pages,
+ *                                 such that new pages will be demand-zeroed if
+ *                                 the address region is later touched;
+ *                                 otherwise this behaves similarly to
+ *                                 MADV_FREE, though typically with higher
+ *                                 system overhead.
+ */
+/* #undef JEMALLOC_PURGE_MADVISE_FREE */
+#define JEMALLOC_PURGE_MADVISE_DONTNEED 
+#define JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS 
+
+/* Defined if madvise(2) is available but MADV_FREE is not (x86 Linux only). */
+/* #undef JEMALLOC_DEFINE_MADVISE_FREE */
+
+/*
+ * Defined if MADV_DO[NT]DUMP is supported as an argument to madvise.
+ */
+/* #undef JEMALLOC_MADVISE_DONTDUMP */
+
+/*
+ * Defined if transparent huge pages (THPs) are supported via the
+ * MADV_[NO]HUGEPAGE arguments to madvise(2), and THP support is enabled.
+ */
+/* #undef JEMALLOC_THP */
+
+/* Define if operating system has alloca.h header. */
+#define JEMALLOC_HAS_ALLOCA_H 1
+
+/* C99 restrict keyword supported. */
+#define JEMALLOC_HAS_RESTRICT 1
+
+/* For use by hash code. */
+/* #undef JEMALLOC_BIG_ENDIAN */
+
+/* sizeof(int) == 2^LG_SIZEOF_INT. */
+#define LG_SIZEOF_INT 2
+
+/* sizeof(long) == 2^LG_SIZEOF_LONG. */
+#ifdef __LP64__
+#define LG_SIZEOF_LONG 3
+#else
+#define LG_SIZEOF_LONG 2
+#endif
+
+/* sizeof(long long) == 2^LG_SIZEOF_LONG_LONG. */
+#define LG_SIZEOF_LONG_LONG 3
+
+/* sizeof(intmax_t) == 2^LG_SIZEOF_INTMAX_T. */
+#define LG_SIZEOF_INTMAX_T 3
+
+/* glibc malloc hooks (__malloc_hook, __realloc_hook, __free_hook). */
+#define JEMALLOC_GLIBC_MALLOC_HOOK 
+
+/* glibc memalign hook. */
+#define JEMALLOC_GLIBC_MEMALIGN_HOOK 
+
+/* pthread support */
+#define JEMALLOC_HAVE_PTHREAD 
+
+/* dlsym() support */
+#define JEMALLOC_HAVE_DLSYM 
+
+/* Adaptive mutex support in pthreads. */
+#define JEMALLOC_HAVE_PTHREAD_MUTEX_ADAPTIVE_NP 
+
+/* GNU specific sched_getcpu support */
+#define JEMALLOC_HAVE_SCHED_GETCPU 
+
+/* GNU specific sched_setaffinity support */
+#define JEMALLOC_HAVE_SCHED_SETAFFINITY 
+
+/*
+ * If defined, all the features necessary for background threads are present.
+ */
+#define JEMALLOC_BACKGROUND_THREAD 1
+
+/*
+ * If defined, jemalloc symbols are not exported (doesn't work when
+ * JEMALLOC_PREFIX is not defined).
+ */
+/* #undef JEMALLOC_EXPORT */
+
+/* config.malloc_conf options string. */
+#define JEMALLOC_CONFIG_MALLOC_CONF ""
+
+/* If defined, jemalloc takes the malloc/free/etc. symbol names. */
+#define JEMALLOC_IS_MALLOC 1
+
+/*
+ * Defined if strerror_r returns char * if _GNU_SOURCE is defined.
+ */
+#define JEMALLOC_STRERROR_R_RETURNS_CHAR_WITH_GNU_SOURCE 
+
+#endif /* JEMALLOC_INTERNAL_DEFS_H_ */
diff --git a/include/jemalloc/internal/tcache_types.h b/include/jemalloc/internal/tcache_types.h
index e49bc9d7..bcbb4b7b 100644
--- a/include/jemalloc/internal/tcache_types.h
+++ b/include/jemalloc/internal/tcache_types.h
@@ -19,7 +19,11 @@ typedef struct tcaches_s tcaches_t;
 /*
  * Absolute minimum number of cache slots for each small bin.
  */
+#if defined(ANDROID_TCACHE_NSLOTS_SMALL_MIN)
+#define TCACHE_NSLOTS_SMALL_MIN		ANDROID_TCACHE_NSLOTS_SMALL_MIN
+#else
 #define TCACHE_NSLOTS_SMALL_MIN		20
+#endif
 
 /*
  * Absolute maximum number of cache slots for each small bin in the thread
@@ -28,13 +32,25 @@ typedef struct tcaches_s tcaches_t;
  *
  * This constant must be an even number.
  */
+#if defined(ANDROID_TCACHE_NSLOTS_SMALL_MAX)
+#define TCACHE_NSLOTS_SMALL_MAX		ANDROID_TCACHE_NSLOTS_SMALL_MAX
+#else
 #define TCACHE_NSLOTS_SMALL_MAX		200
+#endif
 
 /* Number of cache slots for large size classes. */
+#if defined(ANDROID_TCACHE_NSLOTS_LARGE)
+#define TCACHE_NSLOTS_LARGE		ANDROID_TCACHE_NSLOTS_LARGE
+#else
 #define TCACHE_NSLOTS_LARGE		20
+#endif
 
 /* (1U << opt_lg_tcache_max) is used to compute tcache_maxclass. */
+#if defined(ANDROID_LG_TCACHE_MAXCLASS_DEFAULT)
+#define LG_TCACHE_MAXCLASS_DEFAULT	ANDROID_LG_TCACHE_MAXCLASS_DEFAULT
+#else
 #define LG_TCACHE_MAXCLASS_DEFAULT	15
+#endif
 
 /*
  * TCACHE_GC_SWEEP is the approximate number of allocation events between
diff --git a/include/jemalloc/jemalloc.h b/include/jemalloc/jemalloc.h
index c96dfc54..c0d12d2f 100644
--- a/include/jemalloc/jemalloc.h
+++ b/include/jemalloc/jemalloc.h
@@ -59,30 +59,7 @@ extern "C" {
  * --with-jemalloc-prefix.  With default settings the je_ prefix is stripped by
  * these macro definitions.
  */
-#ifndef JEMALLOC_NO_RENAME
-#  define je_aligned_alloc je_aligned_alloc
-#  define je_calloc je_calloc
-#  define je_dallocx je_dallocx
-#  define je_free je_free
-#  define je_mallctl je_mallctl
-#  define je_mallctlbymib je_mallctlbymib
-#  define je_mallctlnametomib je_mallctlnametomib
-#  define je_malloc je_malloc
-#  define je_malloc_conf je_malloc_conf
-#  define je_malloc_message je_malloc_message
-#  define je_malloc_stats_print je_malloc_stats_print
-#  define je_malloc_usable_size je_malloc_usable_size
-#  define je_mallocx je_mallocx
-#  define je_nallocx je_nallocx
-#  define je_posix_memalign je_posix_memalign
-#  define je_rallocx je_rallocx
-#  define je_realloc je_realloc
-#  define je_sallocx je_sallocx
-#  define je_sdallocx je_sdallocx
-#  define je_xallocx je_xallocx
-#  define je_memalign je_memalign
-#  define je_valloc je_valloc
-#endif
+#include "jemalloc_rename.h"
 
 #include <stdlib.h>
 #include <stdbool.h>
diff --git a/include/jemalloc/jemalloc_rename.h b/include/jemalloc/jemalloc_rename.h
index 28ebd37e..c5cefd8d 100644
--- a/include/jemalloc/jemalloc_rename.h
+++ b/include/jemalloc/jemalloc_rename.h
@@ -4,6 +4,7 @@
  * these macro definitions.
  */
 #ifndef JEMALLOC_NO_RENAME
+#if defined(__ANDROID__)
 #  define je_aligned_alloc je_aligned_alloc
 #  define je_calloc je_calloc
 #  define je_dallocx je_dallocx
@@ -26,4 +27,28 @@
 #  define je_xallocx je_xallocx
 #  define je_memalign je_memalign
 #  define je_valloc je_valloc
+#else
+#  define je_aligned_alloc aligned_alloc
+#  define je_calloc calloc
+#  define je_dallocx dallocx
+#  define je_free free
+#  define je_mallctl mallctl
+#  define je_mallctlbymib mallctlbymib
+#  define je_mallctlnametomib mallctlnametomib
+#  define je_malloc malloc
+#  define je_malloc_conf malloc_conf
+#  define je_malloc_message malloc_message
+#  define je_malloc_stats_print malloc_stats_print
+#  define je_malloc_usable_size malloc_usable_size
+#  define je_mallocx mallocx
+#  define je_nallocx nallocx
+#  define je_posix_memalign posix_memalign
+#  define je_rallocx rallocx
+#  define je_realloc realloc
+#  define je_sallocx sallocx
+#  define je_sdallocx sdallocx
+#  define je_xallocx xallocx
+#  define je_memalign memalign
+#  define je_valloc valloc
+#endif
 #endif