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src/dyldNew.cpp dyld-360.21 dyld-132.13
--- dyld/dyld-360.21/src/dyldNew.cpp
+++ dyld/dyld-132.13/src/dyldNew.cpp
@@ -27,7 +27,6 @@
 #include <stdint.h>
 #include <string.h>
 #include <mach/mach.h>
-#include <sys/mman.h>
 
 extern "C" void* __dso_handle;
 
@@ -68,10 +67,6 @@
 		return p;
 	}
 	else {
-		if ( size > DYLD_POOL_CHUNK_SIZE ) {
-			dyld::log("dyld malloc overflow: size=%zu\n", size);
-			exit(1);
-		}
 		size = (size+sizeof(void*)-1) & (-sizeof(void*)); // pointer align
 		uint8_t* result = currentPool->current;
 		currentPool->current += size;
@@ -106,8 +101,8 @@
 	// ignore any pointer within dyld (i.e. stuff from pool or static strings)
 	if ( (dyld::gLibSystemHelpers != NULL) && ((ptr < &__dso_handle) || (ptr >= &initialPoolContent[DYLD_POOL_CHUNK_SIZE])) ) {
 		// ignore stuff in any dynamically alloated dyld pools
-		for (dyld_static_pool* p = currentPool; p != NULL; p = p->previousPool) {
-			if ( (p->pool <= ptr) && (ptr < p->end) ) {
+		for (dyld_static_pool* p = initialPool.previousPool; p != NULL; p = p->previousPool) {
+			if ( (p->pool < ptr) && (ptr < p->end) ) {
 				// do nothing, pool entries can't be reclaimed
 				//dyld::log("free(%p) from dynamic pool\n", ptr);
 				return;
@@ -132,13 +127,7 @@
 		return result;
 	}
 	else {
-		// Check for overflow of integer multiplication
-		size_t total = count * size;
-		if ( total/count != size ) {
-			dyld::log("dyld calloc overflow: count=%zu, size=%zu\n", count, size);
-			exit(1);
-		}
-		return malloc(total);
+		return malloc(count*size);
 	}
 }
 
@@ -158,26 +147,3 @@
 int _malloc_lock = 0;
 
 
-// <rdar://problem/12857033> dyld calls this which uses libSystem.dylib's vm_allocate if available
-int vm_alloc(vm_address_t* addr, vm_size_t size, uint32_t flags)
-{
-	if ( (dyld::gLibSystemHelpers != NULL) && (dyld::gLibSystemHelpers->version >= 12) ) {
-		return dyld::gLibSystemHelpers->vm_alloc(mach_task_self(), addr, size, flags);
-	}
-	else {
-		return ::vm_allocate(mach_task_self(), addr, size, flags);
-	}
-}
-
-void* xmmap(void* addr, size_t len, int prot, int flags, int fd, off_t offset)
-{
-	if ( (dyld::gLibSystemHelpers != NULL) && (dyld::gLibSystemHelpers->version >= 12) ) {
-		return dyld::gLibSystemHelpers->mmap(addr, len, prot, flags, fd, offset);
-	}
-	else {
-		return ::mmap(addr, len, prot, flags, fd, offset);
-	}
-}
-
-
-