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--- Libc/Libc-763.13/gen/malloc.c
+++ Libc/Libc-583/gen/malloc.c
@@ -23,7 +23,6 @@
#include <pthread_internals.h>
#include "magmallocProvider.h"
-#include <mach-o/dyld.h> /* for NSVersionOfLinkTimeLibrary() */
#import <stdlib.h>
#import <stdio.h>
@@ -44,7 +43,6 @@
#import "stack_logging.h"
#import "malloc_printf.h"
#import "_simple.h"
-#import "CrashReporterClient.h"
/*
* MALLOC_ABSOLUTE_MAX_SIZE - There are many instances of addition to a
@@ -68,9 +66,7 @@
/* The following variables are exported for the benefit of performance tools
*
* It should always be safe to first read malloc_num_zones, then read
- * malloc_zones without taking the lock, if only iteration is required and
- * provided that when malloc_destroy_zone is called all prior operations on that
- * zone are complete and no further calls referencing that zone can be made.
+ * malloc_zones without taking the lock, if only iteration is required
*/
unsigned malloc_num_zones = 0;
unsigned malloc_num_zones_allocated = 0;
@@ -105,105 +101,30 @@
#define MALLOC_LOCK() LOCK(_malloc_lock)
#define MALLOC_UNLOCK() UNLOCK(_malloc_lock)
-/*
- * Counters that coordinate zone destruction (in malloc_zone_unregister) with
- * find_registered_zone (here abbreviated as FRZ).
- */
-static int counterAlice = 0, counterBob = 0;
-static int *pFRZCounterLive= &counterAlice, *pFRZCounterDrain = &counterBob;
-
#define MALLOC_LOG_TYPE_ALLOCATE stack_logging_type_alloc
#define MALLOC_LOG_TYPE_DEALLOCATE stack_logging_type_dealloc
#define MALLOC_LOG_TYPE_HAS_ZONE stack_logging_flag_zone
#define MALLOC_LOG_TYPE_CLEARED stack_logging_flag_cleared
/********* Utilities ************/
-__private_extern__ uint64_t malloc_entropy[2] = {0, 0};
-
-void __malloc_entropy_setup(const char *apple[]) __attribute__ ((visibility ("hidden")));
-
-static int
-__entropy_from_kernel(const char *str)
-{
- unsigned long long val;
- char tmp[20], *p;
- int idx = 0;
-
- /* Skip over key to the first value */
- str = strchr(str, '=');
- if (str == NULL)
- return 0;
- str++;
-
- while (str && idx < sizeof(malloc_entropy)/sizeof(malloc_entropy[0])) {
- strlcpy(tmp, str, 20);
- p = strchr(tmp, ',');
- if (p) *p = '\0';
- val = strtoull(tmp, NULL, 0);
- malloc_entropy[idx] = (uint64_t)val;
- idx++;
- if ((str = strchr(str, ',')) != NULL)
- str++;
- }
- return idx;
-}
-
-void
-__malloc_entropy_setup(const char *apple[])
-{
- const char **p;
- for (p = apple; p && *p; p++) {
- if (strstr(*p, "malloc_entropy") == *p) {
- if (sizeof(malloc_entropy)/sizeof(malloc_entropy[0]) == __entropy_from_kernel(*p))
- return;
- else
- break;
- }
- }
-
- malloc_entropy[0] = ((uint64_t)arc4random()) << 32 | ((uint64_t)arc4random());
- malloc_entropy[1] = ((uint64_t)arc4random()) << 32 | ((uint64_t)arc4random());
- return;
-}
static inline malloc_zone_t * find_registered_zone(const void *, size_t *) __attribute__((always_inline));
static inline malloc_zone_t *
find_registered_zone(const void *ptr, size_t *returned_size) {
// Returns a zone which contains ptr, else NULL
-
- if (0 == malloc_num_zones) {
- if (returned_size) *returned_size = 0;
- return NULL;
- }
-
- // The default zone is registered in malloc_zones[0]. There's no danger that it will ever be unregistered.
- // So don't advance the FRZ counter yet.
- malloc_zone_t *zone = malloc_zones[0];
- size_t size = zone->size(zone, ptr);
- if (size) { // Claimed by this zone?
- if (returned_size) *returned_size = size;
- return zone;
- }
-
- int *pFRZCounter = pFRZCounterLive; // Capture pointer to the counter of the moment
- __sync_fetch_and_add(pFRZCounter, 1); // Advance this counter -- our thread is in FRZ
+ unsigned index;
+ malloc_zone_t **zones = malloc_zones;
- unsigned index;
- unsigned limit = malloc_num_zones;
- malloc_zone_t **zones = &malloc_zones[1];
-
- for (index = 1; index < limit; ++index, ++zones) {
- zone = *zones;
- size = zone->size(zone, ptr);
+ for (index = 0; index < malloc_num_zones; ++index, ++zones) {
+ malloc_zone_t *zone = *zones;
+ size_t size = zone->size(zone, ptr);
if (size) { // Claimed by this zone?
if (returned_size) *returned_size = size;
- __sync_fetch_and_sub(pFRZCounter, 1); // our thread is leaving FRZ
return zone;
}
}
// Unclaimed by any zone.
if (returned_size) *returned_size = 0;
- __sync_fetch_and_sub(pFRZCounter, 1); // our thread is leaving FRZ
return NULL;
}
@@ -285,13 +206,13 @@
/* If we don't need to reallocate zones, we need to briefly change the
* page protection the malloc zones to allow writes */
protect_size = malloc_num_zones_allocated * sizeof(malloc_zone_t *);
- mprotect(malloc_zones, protect_size, PROT_READ | PROT_WRITE);
+ vm_protect(mach_task_self(), (uintptr_t)malloc_zones, protect_size, 0, VM_PROT_READ | VM_PROT_WRITE);
}
malloc_zones[malloc_num_zones++] = zone;
/* Finally, now that the zone is registered, disallow write access to the
* malloc_zones array */
- mprotect(malloc_zones, protect_size, PROT_READ);
+ vm_protect(mach_task_self(), (uintptr_t)malloc_zones, protect_size, 0, VM_PROT_READ);
//_malloc_printf(ASL_LEVEL_INFO, "Registered malloc_zone %p in malloc_zones %p [%u zones, %u bytes]\n", zone, malloc_zones, malloc_num_zones, protect_size);
}
@@ -311,15 +232,14 @@
if (n != 0) { // make the default first, for efficiency
unsigned protect_size = malloc_num_zones_allocated * sizeof(malloc_zone_t *);
malloc_zone_t *hold = malloc_zones[0];
-
if(hold->zone_name && strcmp(hold->zone_name, "DefaultMallocZone") == 0) {
- malloc_set_zone_name(hold, NULL);
+ free((void *)hold->zone_name);
+ hold->zone_name = NULL;
}
-
- mprotect(malloc_zones, protect_size, PROT_READ | PROT_WRITE);
+ vm_protect(mach_task_self(), (uintptr_t)malloc_zones, protect_size, 0, VM_PROT_READ | VM_PROT_WRITE);
malloc_zones[0] = malloc_zones[n];
malloc_zones[n] = hold;
- mprotect(malloc_zones, protect_size, PROT_READ);
+ vm_protect(mach_task_self(), (uintptr_t)malloc_zones, protect_size, 0, VM_PROT_READ);
}
// _malloc_printf(ASL_LEVEL_INFO, "%d registered zones\n", malloc_num_zones);
// _malloc_printf(ASL_LEVEL_INFO, "malloc_zones is at %p; malloc_num_zones is at %p\n", (unsigned)&malloc_zones, (unsigned)&malloc_num_zones);
@@ -340,39 +260,12 @@
return inline_malloc_default_zone();
}
-static inline malloc_zone_t *inline_malloc_default_scalable_zone(void) __attribute__((always_inline));
-static inline malloc_zone_t *
-inline_malloc_default_scalable_zone(void) {
- unsigned index;
-
- if (malloc_def_zone_state < 2) _malloc_initialize();
- // _malloc_printf(ASL_LEVEL_INFO, "In inline_malloc_default_scalable_zone with %d %d\n", malloc_num_zones, malloc_has_debug_zone);
-
- MALLOC_LOCK();
- for (index = 0; index < malloc_num_zones; ++index) {
- malloc_zone_t *z = malloc_zones[index];
-
- if(z->zone_name && strcmp(z->zone_name, "DefaultMallocZone") == 0) {
- MALLOC_UNLOCK();
- return z;
- }
- }
- MALLOC_UNLOCK();
-
- malloc_printf("*** malloc_default_scalable_zone() failed to find 'DefaultMallocZone'\n");
- return NULL; // FIXME: abort() instead?
-}
-
malloc_zone_t *
malloc_default_purgeable_zone(void) {
static malloc_zone_t *dpz;
if (!dpz) {
- //
- // PR_7288598: Must pass a *scalable* zone (szone) as the helper for create_purgeable_zone().
- // Take care that the zone so obtained is not subject to interposing.
- //
- malloc_zone_t *tmp = create_purgeable_zone(0, inline_malloc_default_scalable_zone(), malloc_debug_flags);
+ malloc_zone_t *tmp = create_purgeable_zone(0, malloc_default_zone(), malloc_debug_flags);
malloc_zone_register(tmp);
malloc_set_zone_name(tmp, "DefaultPurgeableMallocZone");
if (!__sync_bool_compare_and_swap(&dpz, NULL, tmp))
@@ -404,11 +297,7 @@
#if __LP64__
malloc_debug_flags = SCALABLE_MALLOC_ABORT_ON_CORRUPTION; // Set always on 64-bit processes
#else
- int libSystemVersion = NSVersionOfLinkTimeLibrary("System");
- if ((-1 != libSystemVersion) && ((libSystemVersion >> 16) < 126))
- malloc_debug_flags = 0;
- else
- malloc_debug_flags = SCALABLE_MALLOC_ABORT_ON_CORRUPTION;
+ malloc_debug_flags = 0;
#endif
stack_logging_enable_logging = 0;
stack_logging_dontcompact = 0;
@@ -443,7 +332,7 @@
}
}
if (getenv("MallocGuardEdges")) {
- malloc_debug_flags |= SCALABLE_MALLOC_ADD_GUARD_PAGES;
+ malloc_debug_flags = SCALABLE_MALLOC_ADD_GUARD_PAGES;
_malloc_printf(ASL_LEVEL_INFO, "protecting edges\n");
if (getenv("MallocDoNotProtectPrelude")) {
malloc_debug_flags |= SCALABLE_MALLOC_DONT_PROTECT_PRELUDE;
@@ -500,11 +389,8 @@
#if __LP64__
/* initialization above forces SCALABLE_MALLOC_ABORT_ON_CORRUPTION of 64-bit processes */
#else
- flag = getenv("MallocCorruptionAbort");
- if (flag && (flag[0] == '0')) { // Set from an environment variable in 32-bit processes
- malloc_debug_flags &= ~SCALABLE_MALLOC_ABORT_ON_CORRUPTION;
- } else if (flag) {
- malloc_debug_flags |= SCALABLE_MALLOC_ABORT_ON_CORRUPTION;
+ if (getenv("MallocCorruptionAbort")) { // Set from an environment variable in 32-bit processes
+ malloc_debug_flags |= SCALABLE_MALLOC_ABORT_ON_CORRUPTION;
}
#endif
flag = getenv("MallocCheckHeapStart");
@@ -595,12 +481,13 @@
//
malloc_zone_t *hold = malloc_zones[0];
if(hold->zone_name && strcmp(hold->zone_name, "DefaultMallocZone") == 0) {
- malloc_set_zone_name(hold, NULL);
+ free((void *)hold->zone_name);
+ hold->zone_name = NULL;
}
malloc_set_zone_name(zone, "DefaultMallocZone");
unsigned protect_size = malloc_num_zones_allocated * sizeof(malloc_zone_t *);
- mprotect(malloc_zones, protect_size, PROT_READ | PROT_WRITE);
+ vm_protect(mach_task_self(), (uintptr_t)malloc_zones, protect_size, 0, VM_PROT_READ | VM_PROT_WRITE);
// assert(zone == malloc_zones[malloc_num_zones - 1];
for (i = malloc_num_zones - 1; i > 0; --i) {
@@ -608,13 +495,12 @@
}
malloc_zones[0] = zone;
- mprotect(malloc_zones, protect_size, PROT_READ);
+ vm_protect(mach_task_self(), (uintptr_t)malloc_zones, protect_size, 0, VM_PROT_READ);
MALLOC_UNLOCK();
}
void
malloc_destroy_zone(malloc_zone_t *zone) {
- malloc_set_zone_name(zone, NULL); // Deallocate zone name wherever it may reside PR_7701095
malloc_zone_unregister(zone);
zone->destroy(zone);
}
@@ -624,20 +510,14 @@
__malloc_check_env_name(const char *name)
{
MALLOC_LOCK();
- /*
- *
- * 2. malloc will no longer take notice of *programmatic* changes to the MALLOC_* environment variables
- * (i.e. calls to putenv() or setenv() that manipulate these environment variables.)
- *
- */
-#if 0
if(malloc_def_zone_state == 2 && strncmp(name, "Malloc", 6) == 0)
malloc_def_zone_state = 1;
-#endif
MALLOC_UNLOCK();
}
/********* Block creation and manipulation ************/
+
+extern const char *__crashreporter_info__;
static void
internal_check(void) {
@@ -676,7 +556,7 @@
malloc_printf("*** Recommend using 'setenv MallocCheckHeapStart %d; setenv MallocCheckHeapEach %d' to narrow down failure\n", recomm_start, recomm_each);
}
if (malloc_check_abort) {
- CRSetCrashLogMessage(b ? _simple_string(b) : "*** MallocCheckHeap: FAILED check");
+ __crashreporter_info__ = b ? _simple_string(b) : "*** MallocCheckHeap: FAILED check";
abort();
} else if (b)
_simple_sfree(b);
@@ -704,8 +584,7 @@
return NULL;
}
ptr = zone->malloc(zone, size);
- if (malloc_logger)
- malloc_logger(MALLOC_LOG_TYPE_ALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE, (uintptr_t)zone, (uintptr_t)size, 0, (uintptr_t)ptr, 0);
+ if (malloc_logger) malloc_logger(MALLOC_LOG_TYPE_ALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE, (uintptr_t)zone, (uintptr_t)size, 0, (uintptr_t)ptr, 0);
return ptr;
}
@@ -719,9 +598,7 @@
return NULL;
}
ptr = zone->calloc(zone, num_items, size);
- if (malloc_logger)
- malloc_logger(MALLOC_LOG_TYPE_ALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE | MALLOC_LOG_TYPE_CLEARED, (uintptr_t)zone, (uintptr_t)(num_items * size), 0,
- (uintptr_t)ptr, 0);
+ if (malloc_logger) malloc_logger(MALLOC_LOG_TYPE_ALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE | MALLOC_LOG_TYPE_CLEARED, (uintptr_t)zone, (uintptr_t)(num_items * size), 0, (uintptr_t)ptr, 0);
return ptr;
}
@@ -735,8 +612,7 @@
return NULL;
}
ptr = zone->valloc(zone, size);
- if (malloc_logger)
- malloc_logger(MALLOC_LOG_TYPE_ALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE, (uintptr_t)zone, (uintptr_t)size, 0, (uintptr_t)ptr, 0);
+ if (malloc_logger) malloc_logger(MALLOC_LOG_TYPE_ALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE, (uintptr_t)zone, (uintptr_t)size, 0, (uintptr_t)ptr, 0);
return ptr;
}
@@ -750,16 +626,13 @@
return NULL;
}
new_ptr = zone->realloc(zone, ptr, size);
- if (malloc_logger)
- malloc_logger(MALLOC_LOG_TYPE_ALLOCATE | MALLOC_LOG_TYPE_DEALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE, (uintptr_t)zone, (uintptr_t)ptr, (uintptr_t)size,
- (uintptr_t)new_ptr, 0);
+ if (malloc_logger) malloc_logger(MALLOC_LOG_TYPE_ALLOCATE | MALLOC_LOG_TYPE_DEALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE, (uintptr_t)zone, (uintptr_t)ptr, (uintptr_t)size, (uintptr_t)new_ptr, 0);
return new_ptr;
}
void
malloc_zone_free(malloc_zone_t *zone, void *ptr) {
- if (malloc_logger)
- malloc_logger(MALLOC_LOG_TYPE_DEALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE, (uintptr_t)zone, (uintptr_t)ptr, 0, 0, 0);
+ if (malloc_logger) malloc_logger(MALLOC_LOG_TYPE_DEALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE, (uintptr_t)zone, (uintptr_t)ptr, 0, 0, 0);
if (malloc_check_start && (malloc_check_counter++ >= malloc_check_start)) {
internal_check();
}
@@ -768,8 +641,7 @@
static void
malloc_zone_free_definite_size(malloc_zone_t *zone, void *ptr, size_t size) {
- if (malloc_logger)
- malloc_logger(MALLOC_LOG_TYPE_DEALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE, (uintptr_t)zone, (uintptr_t)ptr, 0, 0, 0);
+ if (malloc_logger) malloc_logger(MALLOC_LOG_TYPE_DEALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE, (uintptr_t)zone, (uintptr_t)ptr, 0, 0, 0);
if (malloc_check_start && (malloc_check_counter++ >= malloc_check_start)) {
internal_check();
}
@@ -802,8 +674,7 @@
return NULL;
}
ptr = zone->memalign(zone, alignment, size);
- if (malloc_logger)
- malloc_logger(MALLOC_LOG_TYPE_ALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE, (uintptr_t)zone, (uintptr_t)size, 0, (uintptr_t)ptr, 0);
+ if (malloc_logger) malloc_logger(MALLOC_LOG_TYPE_ALLOCATE | MALLOC_LOG_TYPE_HAS_ZONE, (uintptr_t)zone, (uintptr_t)size, 0, (uintptr_t)ptr, 0);
return ptr;
}
@@ -831,28 +702,16 @@
// Modify the page to be allow write access, so that we can update the
// malloc_zones array.
size_t protect_size = malloc_num_zones_allocated * sizeof(malloc_zone_t *);
- mprotect(malloc_zones, protect_size, PROT_READ | PROT_WRITE);
-
- // If we found a match, replace it with the entry at the end of the list, shrink the list,
- // and leave the end of the list intact to avoid racing with find_registered_zone().
-
+ vm_protect(mach_task_self(), (uintptr_t)malloc_zones, protect_size, 0, VM_PROT_READ | VM_PROT_WRITE);
+
+ // If we found a match, swap it with the entry on the back of the list
+ // and null out the back of the list.
malloc_zones[index] = malloc_zones[malloc_num_zones - 1];
+ malloc_zones[malloc_num_zones - 1] = NULL;
--malloc_num_zones;
- mprotect(malloc_zones, protect_size, PROT_READ);
-
- // Exchange the roles of the FRZ counters. The counter that has captured the number of threads presently
- // executing *inside* find_regiatered_zone is swapped with the counter drained to zero last time through.
- // The former is then allowed to drain to zero while this thread yields.
- int *p = pFRZCounterLive;
- pFRZCounterLive = pFRZCounterDrain;
- pFRZCounterDrain = p;
- __sync_synchronize(); // Full memory barrier
-
- while (0 != *pFRZCounterDrain) { pthread_yield_np(); }
-
+ vm_protect(mach_task_self(), (uintptr_t)malloc_zones, protect_size, 0, VM_PROT_READ);
MALLOC_UNLOCK();
-
return;
}
MALLOC_UNLOCK();
@@ -862,23 +721,13 @@
void
malloc_set_zone_name(malloc_zone_t *z, const char *name) {
char *newName;
-
- mprotect(z, sizeof(malloc_zone_t), PROT_READ | PROT_WRITE);
if (z->zone_name) {
free((char *)z->zone_name);
z->zone_name = NULL;
}
- if (name) {
- size_t buflen = strlen(name) + 1;
- newName = malloc_zone_malloc(z, buflen);
- if (newName) {
- strlcpy(newName, name, buflen);
- z->zone_name = (const char *)newName;
- } else {
- z->zone_name = NULL;
- }
- }
- mprotect(z, sizeof(malloc_zone_t), PROT_READ);
+ newName = malloc_zone_malloc(z, strlen(name) + 1);
+ strcpy(newName, name);
+ z->zone_name = (const char *)newName;
}
const char *
@@ -975,16 +824,8 @@
malloc_printf("*** error for object %p: pointer being freed was not allocated\n"
"*** set a breakpoint in malloc_error_break to debug\n", ptr);
malloc_error_break();
- if ((malloc_debug_flags & (SCALABLE_MALLOC_ABORT_ON_CORRUPTION|SCALABLE_MALLOC_ABORT_ON_ERROR))) {
- _SIMPLE_STRING b = _simple_salloc();
- if (b) {
- _simple_sprintf(b, "*** error for object %p: pointer being freed was not allocated\n", ptr);
- CRSetCrashLogMessage(_simple_string(b));
- } else {
- CRSetCrashLogMessage("*** error: pointer being freed was not allocated\n");
- }
- abort();
- }
+ if ((malloc_debug_flags & (SCALABLE_MALLOC_ABORT_ON_CORRUPTION|SCALABLE_MALLOC_ABORT_ON_ERROR)))
+ abort();
} else if (zone->version >= 6 && zone->free_definite_size)
malloc_zone_free_definite_size(zone, ptr, size);
else
@@ -993,7 +834,7 @@
void *
realloc(void *in_ptr, size_t new_size) {
- void *retval = NULL;
+ void *retval;
void *old_ptr;
malloc_zone_t *zone;
size_t old_size = 0;
@@ -1011,23 +852,13 @@
retval = malloc_zone_malloc(inline_malloc_default_zone(), new_size);
} else {
zone = find_registered_zone(old_ptr, &old_size);
- if (!zone) {
- malloc_printf("*** error for object %p: pointer being realloc'd was not allocated\n"
- "*** set a breakpoint in malloc_error_break to debug\n", old_ptr);
- malloc_error_break();
- if ((malloc_debug_flags & (SCALABLE_MALLOC_ABORT_ON_CORRUPTION|SCALABLE_MALLOC_ABORT_ON_ERROR))) {
- _SIMPLE_STRING b = _simple_salloc();
- if (b) {
- _simple_sprintf(b, "*** error for object %p: pointer being realloc'd was not allocated\n", old_ptr);
- CRSetCrashLogMessage(_simple_string(b));
- } else {
- CRSetCrashLogMessage("*** error: pointer being realloc'd was not allocated\n");
- }
- abort();
- }
- } else {
- retval = malloc_zone_realloc(zone, old_ptr, new_size);
- }
+ if (zone && old_size >= new_size)
+ return old_ptr;
+
+ if (!zone)
+ zone = inline_malloc_default_zone();
+
+ retval = malloc_zone_realloc(zone, old_ptr, new_size);
}
if (retval == NULL) {
errno = ENOMEM;
@@ -1164,46 +995,12 @@
return 0;
}
-size_t malloc_zone_pressure_relief(malloc_zone_t *zone, size_t goal)
-{
- if (!zone) {
- unsigned index = 0;
- size_t total = 0;
-
- // Take lock to defend against malloc_destroy_zone()
- MALLOC_LOCK();
- while (index < malloc_num_zones) {
- zone = malloc_zones[index++];
- if (zone->version < 8)
- continue;
- if (NULL == zone->pressure_relief)
- continue;
- if (0 == goal) /* Greedy */
- total += zone->pressure_relief(zone, 0);
- else if (goal > total)
- total += zone->pressure_relief(zone, goal - total);
- else /* total >= goal */
- break;
- }
- MALLOC_UNLOCK();
- return total;
- } else {
- // Assumes zone is not destroyed for the duration of this call
- if (zone->version < 8)
- return 0;
- if (NULL == zone->pressure_relief)
- return 0;
- return zone->pressure_relief(zone, goal);
- }
-}
-
/********* Batch methods ************/
unsigned
malloc_zone_batch_malloc(malloc_zone_t *zone, size_t size, void **results, unsigned num_requested) {
unsigned (*batch_malloc)(malloc_zone_t *, size_t, void **, unsigned) = zone-> batch_malloc;
- if (! batch_malloc)
- return 0;
+ if (! batch_malloc) return 0;
if (malloc_check_start && (malloc_check_counter++ >= malloc_check_start)) {
internal_check();
}
@@ -1374,10 +1171,10 @@
if (b) {
_simple_sprintf(b, "*** error %d", x);
malloc_printf("%s\n", _simple_string(b));
- CRSetCrashLogMessage(_simple_string(b));
+ __crashreporter_info__ = _simple_string(b);
} else {
_malloc_printf(MALLOC_PRINTF_NOLOG, "*** error %d", x);
- CRSetCrashLogMessage("*** DefaultMallocError called");
+ __crashreporter_info__ = "*** DefaultMallocError called";
}
abort();
#endif
@@ -1452,62 +1249,6 @@
return(m);
}
-boolean_t
-malloc_zone_enable_discharge_checking(malloc_zone_t *zone)
-{
- if (zone->version < 7) // Version must be >= 7 to look at the new discharge checking fields.
- return FALSE;
- if (NULL == zone->introspect->enable_discharge_checking)
- return FALSE;
- return zone->introspect->enable_discharge_checking(zone);
-}
-
-void
-malloc_zone_disable_discharge_checking(malloc_zone_t *zone)
-{
- if (zone->version < 7) // Version must be >= 7 to look at the new discharge checking fields.
- return;
- if (NULL == zone->introspect->disable_discharge_checking)
- return;
- zone->introspect->disable_discharge_checking(zone);
-}
-
-void
-malloc_zone_discharge(malloc_zone_t *zone, void *memory)
-{
- if (NULL == zone)
- zone = malloc_zone_from_ptr(memory);
- if (NULL == zone)
- return;
- if (zone->version < 7) // Version must be >= 7 to look at the new discharge checking fields.
- return;
- if (NULL == zone->introspect->discharge)
- return;
- zone->introspect->discharge(zone, memory);
-}
-
-void
-malloc_zone_enumerate_discharged_pointers(malloc_zone_t *zone, void (^report_discharged)(void *memory, void *info))
-{
- if (!zone) {
- unsigned index = 0;
- while (index < malloc_num_zones) {
- zone = malloc_zones[index++];
- if (zone->version < 7)
- continue;
- if (NULL == zone->introspect->enumerate_discharged_pointers)
- continue;
- zone->introspect->enumerate_discharged_pointers(zone, report_discharged);
- }
- } else {
- if (zone->version < 7)
- return;
- if (NULL == zone->introspect->enumerate_discharged_pointers)
- return;
- zone->introspect->enumerate_discharged_pointers(zone, report_discharged);
- }
-}
-
/***************** OBSOLETE ENTRY POINTS ********************/
#if PHASE_OUT_OLD_MALLOC