Существует MacFUSE реализация procfs . С его помощью вы можете получить карту памяти следующим образом:
cat /proc/PID/task/vmmap
Глядя на исходный код , похоже, что он использует интерфейс виртуальной памяти Mach для получения карты памяти из ядра.
Вот реализация псевдофайла vmmap:
/*
* procfs as a MacFUSE file system for Mac OS X
*
* Copyright Amit Singh. All Rights Reserved.
* http://osxbook.com
*
* http://code.google.com/p/macfuse/
*
* Source License: GNU GENERAL PUBLIC LICENSE (GPL)
*/
READ_HANDLER(proc__task__vmmap)
{
int len = -1;
kern_return_t kr;
#define MAX_VMMAP_SIZE 65536 /* XXX */
char tmpbuf[MAX_VMMAP_SIZE];
task_t the_task;
pid_t pid = strtol(argv[0], NULL, 10);
kr = task_for_pid(mach_task_self(), pid, &the_task);
if (kr != KERN_SUCCESS) {
return -EIO;
}
vm_size_t vmsize;
vm_address_t address;
vm_region_basic_info_data_t info;
mach_msg_type_number_t info_count;
vm_region_flavor_t flavor;
memory_object_name_t object;
kr = KERN_SUCCESS;
address = 0;
len = 0;
do {
flavor = VM_REGION_BASIC_INFO;
info_count = VM_REGION_BASIC_INFO_COUNT;
kr = vm_region(the_task, &address, &vmsize, flavor,
(vm_region_info_t)&info, &info_count, &object);
if (kr == KERN_SUCCESS) {
if (len >= MAX_VMMAP_SIZE) {
goto gotdata;
}
len += snprintf(tmpbuf + len, MAX_VMMAP_SIZE - len,
"%08x-%08x %8uK %c%c%c/%c%c%c %11s %6s %10s uwir=%hu sub=%u\n",
address, (address + vmsize), (vmsize >> 10),
(info.protection & VM_PROT_READ) ? 'r' : '-',
(info.protection & VM_PROT_WRITE) ? 'w' : '-',
(info.protection & VM_PROT_EXECUTE) ? 'x' : '-',
(info.max_protection & VM_PROT_READ) ? 'r' : '-',
(info.max_protection & VM_PROT_WRITE) ? 'w' : '-',
(info.max_protection & VM_PROT_EXECUTE) ? 'x' : '-',
inheritance_strings[info.inheritance],
(info.shared) ? "shared" : "-",
behavior_strings[info.behavior],
info.user_wired_count,
info.reserved);
address += vmsize;
} else if (kr != KERN_INVALID_ADDRESS) {
if (the_task != MACH_PORT_NULL) {
mach_port_deallocate(mach_task_self(), the_task);
}
return -EIO;
}
} while (kr != KERN_INVALID_ADDRESS);
gotdata:
if (the_task != MACH_PORT_NULL) {
mach_port_deallocate(mach_task_self(), the_task);
}
READ_PROC_TASK_EPILOGUE();
}