xref: /freebsd/contrib/jemalloc/FREEBSD-diffs (revision 1f4bcc459a76b7aa664f3fd557684cd0ba6da352)
1diff --git a/doc/jemalloc.xml.in b/doc/jemalloc.xml.in
2index 26a5e14..2a801b7 100644
3--- a/doc/jemalloc.xml.in
4+++ b/doc/jemalloc.xml.in
5@@ -53,11 +53,23 @@
6     <para>This manual describes jemalloc @jemalloc_version@.  More information
7     can be found at the <ulink
8     url="http://www.canonware.com/jemalloc/">jemalloc website</ulink>.</para>
9+
10+    <para>The following configuration options are enabled in libc's built-in
11+    jemalloc: <option>--enable-fill</option>,
12+    <option>--enable-lazy-lock</option>, <option>--enable-munmap</option>,
13+    <option>--enable-stats</option>, <option>--enable-tcache</option>,
14+    <option>--enable-tls</option>, <option>--enable-utrace</option>, and
15+    <option>--enable-xmalloc</option>.  Additionally,
16+    <option>--enable-debug</option> is enabled in development versions of
17+    FreeBSD (controlled by the <constant>MALLOC_PRODUCTION</constant> make
18+    variable).</para>
19+
20   </refsect1>
21   <refsynopsisdiv>
22     <title>SYNOPSIS</title>
23     <funcsynopsis>
24-      <funcsynopsisinfo>#include &lt;<filename class="headerfile">jemalloc/jemalloc.h</filename>&gt;</funcsynopsisinfo>
25+      <funcsynopsisinfo>#include &lt;<filename class="headerfile">stdlib.h</filename>&gt;
26+#include &lt;<filename class="headerfile">malloc_np.h</filename>&gt;</funcsynopsisinfo>
27       <refsect2>
28         <title>Standard API</title>
29         <funcprototype>
30@@ -2759,4 +2771,18 @@ malloc_conf = "lg_chunk:24";]]></programlisting></para>
31     <para>The <function>posix_memalign<parameter/></function> function conforms
32     to IEEE Std 1003.1-2001 (&ldquo;POSIX.1&rdquo;).</para>
33   </refsect1>
34+  <refsect1 id="history">
35+    <title>HISTORY</title>
36+    <para>The <function>malloc_usable_size<parameter/></function> and
37+    <function>posix_memalign<parameter/></function> functions first appeared in
38+    FreeBSD 7.0.</para>
39+
40+    <para>The <function>aligned_alloc<parameter/></function>,
41+    <function>malloc_stats_print<parameter/></function>, and
42+    <function>mallctl*<parameter/></function> functions first appeared in
43+    FreeBSD 10.0.</para>
44+
45+    <para>The <function>*allocx<parameter/></function> functions first appeared
46+    in FreeBSD 11.0.</para>
47+  </refsect1>
48 </refentry>
49diff --git a/include/jemalloc/internal/jemalloc_internal.h.in b/include/jemalloc/internal/jemalloc_internal.h.in
50index 654cd08..ad5382d 100644
51--- a/include/jemalloc/internal/jemalloc_internal.h.in
52+++ b/include/jemalloc/internal/jemalloc_internal.h.in
53@@ -8,6 +8,9 @@
54 #include <sys/ktrace.h>
55 #endif
56
57+#include "un-namespace.h"
58+#include "libc_private.h"
59+
60 #define	JEMALLOC_NO_DEMANGLE
61 #ifdef JEMALLOC_JET
62 #  define JEMALLOC_N(n) jet_##n
63@@ -42,13 +45,7 @@ static const bool config_fill =
64     false
65 #endif
66     ;
67-static const bool config_lazy_lock =
68-#ifdef JEMALLOC_LAZY_LOCK
69-    true
70-#else
71-    false
72-#endif
73-    ;
74+static const bool config_lazy_lock = true;
75 static const bool config_prof =
76 #ifdef JEMALLOC_PROF
77     true
78diff --git a/include/jemalloc/internal/jemalloc_internal_decls.h b/include/jemalloc/internal/jemalloc_internal_decls.h
79index a601d6e..e7094b2 100644
80--- a/include/jemalloc/internal/jemalloc_internal_decls.h
81+++ b/include/jemalloc/internal/jemalloc_internal_decls.h
82@@ -1,6 +1,9 @@
83 #ifndef JEMALLOC_INTERNAL_DECLS_H
84 #define	JEMALLOC_INTERNAL_DECLS_H
85
86+#include "libc_private.h"
87+#include "namespace.h"
88+
89 #include <math.h>
90 #ifdef _WIN32
91 #  include <windows.h>
92diff --git a/include/jemalloc/internal/mutex.h b/include/jemalloc/internal/mutex.h
93index f051f29..561378f 100644
94--- a/include/jemalloc/internal/mutex.h
95+++ b/include/jemalloc/internal/mutex.h
96@@ -47,15 +47,13 @@ struct malloc_mutex_s {
97
98 #ifdef JEMALLOC_LAZY_LOCK
99 extern bool isthreaded;
100-#else
101-#  undef isthreaded /* Undo private_namespace.h definition. */
102-#  define isthreaded true
103 #endif
104
105 bool	malloc_mutex_init(malloc_mutex_t *mutex);
106 void	malloc_mutex_prefork(malloc_mutex_t *mutex);
107 void	malloc_mutex_postfork_parent(malloc_mutex_t *mutex);
108 void	malloc_mutex_postfork_child(malloc_mutex_t *mutex);
109+bool	malloc_mutex_first_thread(void);
110 bool	mutex_boot(void);
111
112 #endif /* JEMALLOC_H_EXTERNS */
113diff --git a/include/jemalloc/internal/private_symbols.txt b/include/jemalloc/internal/private_symbols.txt
114index a90021a..34904bf 100644
115--- a/include/jemalloc/internal/private_symbols.txt
116+++ b/include/jemalloc/internal/private_symbols.txt
117@@ -280,7 +280,6 @@ iralloct_realign
118 isalloc
119 isdalloct
120 isqalloc
121-isthreaded
122 ivsalloc
123 ixalloc
124 jemalloc_postfork_child
125diff --git a/include/jemalloc/jemalloc_FreeBSD.h b/include/jemalloc/jemalloc_FreeBSD.h
126new file mode 100644
127index 0000000..737542e
128--- /dev/null
129+++ b/include/jemalloc/jemalloc_FreeBSD.h
130@@ -0,0 +1,142 @@
131+/*
132+ * Override settings that were generated in jemalloc_defs.h as necessary.
133+ */
134+
135+#undef JEMALLOC_OVERRIDE_VALLOC
136+
137+#ifndef MALLOC_PRODUCTION
138+#define	JEMALLOC_DEBUG
139+#endif
140+
141+/*
142+ * The following are architecture-dependent, so conditionally define them for
143+ * each supported architecture.
144+ */
145+#undef JEMALLOC_TLS_MODEL
146+#undef STATIC_PAGE_SHIFT
147+#undef LG_SIZEOF_PTR
148+#undef LG_SIZEOF_INT
149+#undef LG_SIZEOF_LONG
150+#undef LG_SIZEOF_INTMAX_T
151+
152+#ifdef __i386__
153+#  define LG_SIZEOF_PTR		2
154+#  define JEMALLOC_TLS_MODEL	__attribute__((tls_model("initial-exec")))
155+#endif
156+#ifdef __ia64__
157+#  define LG_SIZEOF_PTR		3
158+#endif
159+#ifdef __sparc64__
160+#  define LG_SIZEOF_PTR		3
161+#  define JEMALLOC_TLS_MODEL	__attribute__((tls_model("initial-exec")))
162+#endif
163+#ifdef __amd64__
164+#  define LG_SIZEOF_PTR		3
165+#  define JEMALLOC_TLS_MODEL	__attribute__((tls_model("initial-exec")))
166+#endif
167+#ifdef __arm__
168+#  define LG_SIZEOF_PTR		2
169+#endif
170+#ifdef __aarch64__
171+#  define LG_SIZEOF_PTR		3
172+#endif
173+#ifdef __mips__
174+#ifdef __mips_n64
175+#  define LG_SIZEOF_PTR		3
176+#else
177+#  define LG_SIZEOF_PTR		2
178+#endif
179+#endif
180+#ifdef __powerpc64__
181+#  define LG_SIZEOF_PTR		3
182+#elif defined(__powerpc__)
183+#  define LG_SIZEOF_PTR		2
184+#endif
185+
186+#ifndef JEMALLOC_TLS_MODEL
187+#  define JEMALLOC_TLS_MODEL	/* Default. */
188+#endif
189+
190+#define	STATIC_PAGE_SHIFT	PAGE_SHIFT
191+#define	LG_SIZEOF_INT		2
192+#define	LG_SIZEOF_LONG		LG_SIZEOF_PTR
193+#define	LG_SIZEOF_INTMAX_T	3
194+
195+#undef CPU_SPINWAIT
196+#include <machine/cpu.h>
197+#include <machine/cpufunc.h>
198+#define	CPU_SPINWAIT		cpu_spinwait()
199+
200+/* Disable lazy-lock machinery, mangle isthreaded, and adjust its type. */
201+#undef JEMALLOC_LAZY_LOCK
202+extern int __isthreaded;
203+#define	isthreaded		((bool)__isthreaded)
204+
205+/* Mangle. */
206+#undef je_malloc
207+#undef je_calloc
208+#undef je_realloc
209+#undef je_free
210+#undef je_posix_memalign
211+#undef je_aligned_alloc
212+#undef je_malloc_usable_size
213+#undef je_mallocx
214+#undef je_rallocx
215+#undef je_xallocx
216+#undef je_sallocx
217+#undef je_dallocx
218+#undef je_nallocx
219+#undef je_allocm
220+#undef je_rallocm
221+#undef je_sallocm
222+#undef je_dallocm
223+#undef je_nallocm
224+#define	je_malloc		__malloc
225+#define	je_calloc		__calloc
226+#define	je_realloc		__realloc
227+#define	je_free			__free
228+#define	je_posix_memalign	__posix_memalign
229+#define	je_aligned_alloc	__aligned_alloc
230+#define	je_malloc_usable_size	__malloc_usable_size
231+#define	je_mallocx		__mallocx
232+#define	je_rallocx		__rallocx
233+#define	je_xallocx		__xallocx
234+#define	je_sallocx		__sallocx
235+#define	je_dallocx		__dallocx
236+#define	je_nallocx		__nallocx
237+#define	je_allocm		__allocm
238+#define	je_rallocm		__rallocm
239+#define	je_sallocm		__sallocm
240+#define	je_dallocm		__dallocm
241+#define	je_nallocm		__nallocm
242+#define	open			_open
243+#define	read			_read
244+#define	write			_write
245+#define	close			_close
246+#define	pthread_mutex_lock	_pthread_mutex_lock
247+#define	pthread_mutex_unlock	_pthread_mutex_unlock
248+
249+#ifdef JEMALLOC_C_
250+/*
251+ * Define 'weak' symbols so that an application can have its own versions
252+ * of malloc, calloc, realloc, free, et al.
253+ */
254+__weak_reference(__malloc, malloc);
255+__weak_reference(__calloc, calloc);
256+__weak_reference(__realloc, realloc);
257+__weak_reference(__free, free);
258+__weak_reference(__posix_memalign, posix_memalign);
259+__weak_reference(__aligned_alloc, aligned_alloc);
260+__weak_reference(__malloc_usable_size, malloc_usable_size);
261+__weak_reference(__mallocx, mallocx);
262+__weak_reference(__rallocx, rallocx);
263+__weak_reference(__xallocx, xallocx);
264+__weak_reference(__sallocx, sallocx);
265+__weak_reference(__dallocx, dallocx);
266+__weak_reference(__nallocx, nallocx);
267+__weak_reference(__allocm, allocm);
268+__weak_reference(__rallocm, rallocm);
269+__weak_reference(__sallocm, sallocm);
270+__weak_reference(__dallocm, dallocm);
271+__weak_reference(__nallocm, nallocm);
272+#endif
273diff --git a/include/jemalloc/jemalloc_rename.sh b/include/jemalloc/jemalloc_rename.sh
274index f943891..47d032c 100755
275--- a/include/jemalloc/jemalloc_rename.sh
276+++ b/include/jemalloc/jemalloc_rename.sh
277@@ -19,4 +19,6 @@ done
278
279 cat <<EOF
280 #endif
281+
282+#include "jemalloc_FreeBSD.h"
283 EOF
284diff --git a/src/jemalloc.c b/src/jemalloc.c
285index 5a2d324..b6cbb79 100644
286--- a/src/jemalloc.c
287+++ b/src/jemalloc.c
288@@ -4,6 +4,10 @@
289 /******************************************************************************/
290 /* Data. */
291
292+/* Work around <http://llvm.org/bugs/show_bug.cgi?id=12623>: */
293+const char	*__malloc_options_1_0 = NULL;
294+__sym_compat(_malloc_options, __malloc_options_1_0, FBSD_1.0);
295+
296 /* Runtime configuration options. */
297 const char	*je_malloc_conf JEMALLOC_ATTR(weak);
298 bool	opt_abort =
299@@ -2490,6 +2494,107 @@ je_malloc_usable_size(JEMALLOC_USABLE_SIZE_CONST void *ptr)
300  */
301 /******************************************************************************/
302 /*
303+ * Begin compatibility functions.
304+ */
305+
306+#define	ALLOCM_LG_ALIGN(la)	(la)
307+#define	ALLOCM_ALIGN(a)		(ffsl(a)-1)
308+#define	ALLOCM_ZERO		((int)0x40)
309+#define	ALLOCM_NO_MOVE		((int)0x80)
310+
311+#define	ALLOCM_SUCCESS		0
312+#define	ALLOCM_ERR_OOM		1
313+#define	ALLOCM_ERR_NOT_MOVED	2
314+
315+int
316+je_allocm(void **ptr, size_t *rsize, size_t size, int flags)
317+{
318+	void *p;
319+
320+	assert(ptr != NULL);
321+
322+	p = je_mallocx(size, flags);
323+	if (p == NULL)
324+		return (ALLOCM_ERR_OOM);
325+	if (rsize != NULL)
326+		*rsize = isalloc(p, config_prof);
327+	*ptr = p;
328+	return (ALLOCM_SUCCESS);
329+}
330+
331+int
332+je_rallocm(void **ptr, size_t *rsize, size_t size, size_t extra, int flags)
333+{
334+	int ret;
335+	bool no_move = flags & ALLOCM_NO_MOVE;
336+
337+	assert(ptr != NULL);
338+	assert(*ptr != NULL);
339+	assert(size != 0);
340+	assert(SIZE_T_MAX - size >= extra);
341+
342+	if (no_move) {
343+		size_t usize = je_xallocx(*ptr, size, extra, flags);
344+		ret = (usize >= size) ? ALLOCM_SUCCESS : ALLOCM_ERR_NOT_MOVED;
345+		if (rsize != NULL)
346+			*rsize = usize;
347+	} else {
348+		void *p = je_rallocx(*ptr, size+extra, flags);
349+		if (p != NULL) {
350+			*ptr = p;
351+			ret = ALLOCM_SUCCESS;
352+		} else
353+			ret = ALLOCM_ERR_OOM;
354+		if (rsize != NULL)
355+			*rsize = isalloc(*ptr, config_prof);
356+	}
357+	return (ret);
358+}
359+
360+int
361+je_sallocm(const void *ptr, size_t *rsize, int flags)
362+{
363+
364+	assert(rsize != NULL);
365+	*rsize = je_sallocx(ptr, flags);
366+	return (ALLOCM_SUCCESS);
367+}
368+
369+int
370+je_dallocm(void *ptr, int flags)
371+{
372+
373+	je_dallocx(ptr, flags);
374+	return (ALLOCM_SUCCESS);
375+}
376+
377+int
378+je_nallocm(size_t *rsize, size_t size, int flags)
379+{
380+	size_t usize;
381+
382+	usize = je_nallocx(size, flags);
383+	if (usize == 0)
384+		return (ALLOCM_ERR_OOM);
385+	if (rsize != NULL)
386+		*rsize = usize;
387+	return (ALLOCM_SUCCESS);
388+}
389+
390+#undef ALLOCM_LG_ALIGN
391+#undef ALLOCM_ALIGN
392+#undef ALLOCM_ZERO
393+#undef ALLOCM_NO_MOVE
394+
395+#undef ALLOCM_SUCCESS
396+#undef ALLOCM_ERR_OOM
397+#undef ALLOCM_ERR_NOT_MOVED
398+
399+/*
400+ * End compatibility functions.
401+ */
402+/******************************************************************************/
403+/*
404  * The following functions are used by threading libraries for protection of
405  * malloc during fork().
406  */
407@@ -2590,4 +2695,11 @@ jemalloc_postfork_child(void)
408 	ctl_postfork_child();
409 }
410
411+void
412+_malloc_first_thread(void)
413+{
414+
415+	(void)malloc_mutex_first_thread();
416+}
417+
418 /******************************************************************************/
419diff --git a/src/mutex.c b/src/mutex.c
420index 2d47af9..934d5aa 100644
421--- a/src/mutex.c
422+++ b/src/mutex.c
423@@ -66,6 +66,17 @@ pthread_create(pthread_t *__restrict thread,
424 #ifdef JEMALLOC_MUTEX_INIT_CB
425 JEMALLOC_EXPORT int	_pthread_mutex_init_calloc_cb(pthread_mutex_t *mutex,
426     void *(calloc_cb)(size_t, size_t));
427+
428+#pragma weak _pthread_mutex_init_calloc_cb
429+int
430+_pthread_mutex_init_calloc_cb(pthread_mutex_t *mutex,
431+    void *(calloc_cb)(size_t, size_t))
432+{
433+
434+	return (((int (*)(pthread_mutex_t *, void *(*)(size_t, size_t)))
435+	    __libc_interposing[INTERPOS__pthread_mutex_init_calloc_cb])(mutex,
436+	    calloc_cb));
437+}
438 #endif
439
440 bool
441@@ -137,7 +148,7 @@ malloc_mutex_postfork_child(malloc_mutex_t *mutex)
442 }
443
444 bool
445-mutex_boot(void)
446+malloc_mutex_first_thread(void)
447 {
448
449 #ifdef JEMALLOC_MUTEX_INIT_CB
450@@ -151,3 +162,14 @@ mutex_boot(void)
451 #endif
452 	return (false);
453 }
454+
455+bool
456+mutex_boot(void)
457+{
458+
459+#ifndef JEMALLOC_MUTEX_INIT_CB
460+	return (malloc_mutex_first_thread());
461+#else
462+	return (false);
463+#endif
464+}
465diff --git a/src/util.c b/src/util.c
466index 4cb0d6c..25b61c2 100644
467--- a/src/util.c
468+++ b/src/util.c
469@@ -58,6 +58,22 @@ wrtmessage(void *cbopaque, const char *s)
470
471 JEMALLOC_EXPORT void	(*je_malloc_message)(void *, const char *s);
472
473+JEMALLOC_ATTR(visibility("hidden"))
474+void
475+wrtmessage_1_0(const char *s1, const char *s2, const char *s3,
476+    const char *s4)
477+{
478+
479+	wrtmessage(NULL, s1);
480+	wrtmessage(NULL, s2);
481+	wrtmessage(NULL, s3);
482+	wrtmessage(NULL, s4);
483+}
484+
485+void	(*__malloc_message_1_0)(const char *s1, const char *s2, const char *s3,
486+    const char *s4) = wrtmessage_1_0;
487+__sym_compat(_malloc_message, __malloc_message_1_0, FBSD_1.0);
488+
489 /*
490  * Wrapper around malloc_message() that avoids the need for
491  * je_malloc_message(...) throughout the code.
492