-#ifdef darwin_TARGET_OS
-#include <mach/mach.h>
-#include <mach/task.h>
-#include <mach/message.h>
-#include <mach/vm_prot.h>
-#include <mach/vm_region.h>
-#include <mach-o/getsect.h>
-unsigned long macho_etext = 0;
-unsigned long macho_edata = 0;
-#define IN_RANGE(base,size,x) (((P_)base) <= ((P_)x) && ((P_)x) < ((P_)((unsigned long)base + size)))
-static void macosx_get_memory_layout(void)
-{
- vm_address_t address;
- vm_size_t size;
- struct vm_region_basic_info info;
- mach_msg_type_number_t info_count;
- mach_port_t object_name;
- task_t task = mach_task_self();
- P_ in_text = ((P_*)(&stg_BLACKHOLE_info))[0];
- P_ in_data = (P_)&stg_dummy_ret_closure;
-
- address = 0; /* VM_MIN_ADDRESS */
- while (1) {
- info_count = VM_REGION_BASIC_INFO_COUNT;
- if (vm_region(task, &address, &size, VM_REGION_BASIC_INFO,
- (vm_region_info_t)&info, &info_count, &object_name)
- != KERN_SUCCESS)
- break;
- if (IN_RANGE(address, size, in_text))
- macho_etext = address + size;
- if (IN_RANGE(address, size, in_data))
- macho_edata = address + size;
- address += size;
- }
-}
-#endif