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https://github.com/microsoft/mimalloc.git
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Merge pull request #389 from jserv/macos-predefined-macro
Revise the use of macOS predefined macro
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Daan
GitHub
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00ddc1b8a0
@ -293,7 +293,7 @@ extern bool _mi_process_is_initialized;
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mi_heap_t* _mi_heap_main_get(void); // statically allocated main backing heap
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#if defined(MI_MALLOC_OVERRIDE)
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#if defined(__MACH__) // OSX
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#if defined(__APPLE__) // macOS
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#define MI_TLS_SLOT 89 // seems unused?
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// other possible unused ones are 9, 29, __PTK_FRAMEWORK_JAVASCRIPTCORE_KEY4 (94), __PTK_FRAMEWORK_GC_KEY9 (112) and __PTK_FRAMEWORK_OLDGC_KEY9 (89)
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// see <https://github.com/rweichler/substrate/blob/master/include/pthread_machdep.h>
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@ -699,7 +699,7 @@ static inline void* mi_tls_slot(size_t slot) mi_attr_noexcept {
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const size_t ofs = (slot*sizeof(void*));
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#if defined(__i386__)
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__asm__("movl %%gs:%1, %0" : "=r" (res) : "m" (*((void**)ofs)) : ); // 32-bit always uses GS
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#elif defined(__MACH__) && defined(__x86_64__)
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#elif defined(__APPLE__) && defined(__x86_64__)
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__asm__("movq %%gs:%1, %0" : "=r" (res) : "m" (*((void**)ofs)) : ); // x86_64 macOSX uses GS
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#elif defined(__x86_64__) && (MI_INTPTR_SIZE==4)
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__asm__("movl %%fs:%1, %0" : "=r" (res) : "m" (*((void**)ofs)) : ); // x32 ABI
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@ -726,7 +726,7 @@ static inline void mi_tls_slot_set(size_t slot, void* value) mi_attr_noexcept {
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const size_t ofs = (slot*sizeof(void*));
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#if defined(__i386__)
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__asm__("movl %1,%%gs:%0" : "=m" (*((void**)ofs)) : "rn" (value) : ); // 32-bit always uses GS
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#elif defined(__MACH__) && defined(__x86_64__)
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#elif defined(__APPLE__) && defined(__x86_64__)
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__asm__("movq %1,%%gs:%0" : "=m" (*((void**)ofs)) : "rn" (value) : ); // x86_64 macOSX uses GS
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#elif defined(__x86_64__) && (MI_INTPTR_SIZE==4)
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__asm__("movl %1,%%fs:%1" : "=m" (*((void**)ofs)) : "rn" (value) : ); // x32 ABI
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@ -12,8 +12,8 @@ is a general purpose allocator with excellent [performance](#performance) charac
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Initially developed by Daan Leijen for the run-time systems of the
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[Koka](https://koka-lang.github.io) and [Lean](https://github.com/leanprover/lean) languages.
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Latest release tag: `v2.0.0` (beta, 2021-01-31).
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Latest stable tag: `v1.7.0` (2021-01-31).
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Latest release tag: `v2.0.1` (beta, 2021-04-06).
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Latest stable tag: `v1.7.1` (2021-04-06).
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mimalloc is a drop-in replacement for `malloc` and can be used in other programs
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without code changes, for example, on dynamically linked ELF-based systems (Linux, BSD, etc.) you can use it as:
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@ -71,8 +71,10 @@ Enjoy!
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* `dev`: development branch for mimalloc v1.
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* `dev-slice`: development branch for mimalloc v2 with a new algorithm for managing internal mimalloc pages.
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### Release
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### Releases
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* 2021-04-06, `v1.7.1`, `v2.0.1` (beta): fix bug in arena allocation for huge pages, improved aslr on large allocations, improved M1 support (still experimental).
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* 2021-01-31, `v2.0.0`: beta release 2.0: new algorithm for managing internal mimalloc pages that tends to use reduce memory usage
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and fragmentation compared to mimalloc v1 (especially for large workloads). Should otherwise have similar performance
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(see [below](#performance)); please report if you observe any significant performance regression.
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@ -13,13 +13,13 @@ terms of the MIT license. A copy of the license can be found in the file
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#error "It is only possible to override "malloc" on Windows when building as a DLL (and linking the C runtime as a DLL)"
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#endif
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#if defined(MI_MALLOC_OVERRIDE) && !(defined(_WIN32)) // || (defined(__MACH__) && !defined(MI_INTERPOSE)))
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#if defined(MI_MALLOC_OVERRIDE) && !(defined(_WIN32)) // || (defined(__APPLE__) && !defined(MI_INTERPOSE)))
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// ------------------------------------------------------
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// Override system malloc
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// ------------------------------------------------------
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#if (defined(__GNUC__) || defined(__clang__)) && !defined(__MACH__)
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#if (defined(__GNUC__) || defined(__clang__)) && !defined(__APPLE__)
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// use aliasing to alias the exported function to one of our `mi_` functions
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#if (defined(__GNUC__) && __GNUC__ >= 9)
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#define MI_FORWARD(fun) __attribute__((alias(#fun), used, visibility("default"), copy(fun)))
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@ -81,7 +81,7 @@ terms of the MIT license. A copy of the license can be found in the file
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void free(void* p) MI_FORWARD0(mi_free, p);
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#endif
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#if (defined(__GNUC__) || defined(__clang__)) && !defined(__MACH__)
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#if (defined(__GNUC__) || defined(__clang__)) && !defined(__APPLE__)
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#pragma GCC visibility push(default)
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#endif
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@ -214,7 +214,7 @@ void* aligned_alloc(size_t alignment, size_t size) { return mi_aligned_alloc(a
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}
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#endif
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#if (defined(__GNUC__) || defined(__clang__)) && !defined(__MACH__)
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#if (defined(__GNUC__) || defined(__clang__)) && !defined(__APPLE__)
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#pragma GCC visibility pop
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#endif
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@ -259,7 +259,7 @@ static _Atomic(uintptr_t) warning_count; // = 0; // when >= max_warning_count s
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static mi_decl_thread bool recurse = false;
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static bool mi_recurse_enter(void) {
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#if defined(__MACH__) || defined(MI_TLS_RECURSE_GUARD)
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#if defined(__APPLE__) || defined(MI_TLS_RECURSE_GUARD)
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if (_mi_preloading()) return true;
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#endif
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if (recurse) return false;
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@ -268,7 +268,7 @@ static bool mi_recurse_enter(void) {
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}
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static void mi_recurse_exit(void) {
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#if defined(__MACH__) || defined(MI_TLS_RECURSE_GUARD)
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#if defined(__APPLE__) || defined(MI_TLS_RECURSE_GUARD)
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if (_mi_preloading()) return;
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#endif
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recurse = false;
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@ -479,12 +479,12 @@ static void mi_stat_process_info(mi_msecs_t* elapsed, mi_msecs_t* utime, mi_msec
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*page_faults = (size_t)info.PageFaultCount;
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}
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#elif defined(__unix__) || defined(__unix) || defined(unix) || (defined(__APPLE__) && defined(__MACH__)) || defined(__HAIKU__)
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#elif defined(__unix__) || defined(__unix) || defined(unix) || defined(__APPLE__) || defined(__HAIKU__)
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/resource.h>
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#if defined(__APPLE__) && defined(__MACH__)
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#if defined(__APPLE__)
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#include <mach/mach.h>
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#endif
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@ -520,7 +520,7 @@ static void mi_stat_process_info(mi_msecs_t* elapsed, mi_msecs_t* utime, mi_msec
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while (get_next_area_info(tid.team, &c, &mem) == B_OK) {
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*peak_rss += mem.ram_size;
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}
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#elif defined(__APPLE__) && defined(__MACH__)
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#elif defined(__APPLE__)
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*peak_rss = rusage.ru_maxrss; // BSD reports in bytes
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struct mach_task_basic_info info;
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mach_msg_type_number_t infoCount = MACH_TASK_BASIC_INFO_COUNT;
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