A simple vmmap implementation for macOS.

libproc.h

#ifndef _LIBPROC_H_
#define _LIBPROC_H_

#include <stdbool.h>
#include <stdint.h>
#include <sys/cdefs.h>
#include <sys/mount.h>
#include <sys/param.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/proc_info.h>
#include <Availability.h>

#define PROC_LISTPIDSPATH_PATH_IS_VOLUME 1
#define PROC_LISTPIDSPATH_EXCLUDE_EVTONLY 2

__BEGIN_DECLS

int proc_listpidspath(uint32_t type,
    uint32_t typeinfo,
    const char *path,
    uint32_t pathflags,
    void *buffer,
    int buffersize);

int proc_listpids(uint32_t type, uint32_t typeinfo, void *buffer, int buffersize);
int proc_listallpids(void *buffer, int buffersize);
int proc_listpgrppids(pid_t pgrpid, void *buffer, int buffersize);
int proc_listchildpids(pid_t ppid, void *buffer, int buffersize);
int proc_pidinfo(int pid, int flavor, uint64_t arg, void *buffer, int buffersize);
int proc_pidfdinfo(int pid, int fd, int flavor, void *buffer, int buffersize);
int proc_pidfileportinfo(int pid, uint32_t fileport, int flavor, void *buffer, int buffersize);
int proc_name(int pid, void *buffer, uint32_t buffersize);
int proc_regionfilename(int pid, uint64_t address, void *buffer, uint32_t buffersize);
int proc_kmsgbuf(void *buffer, uint32_t buffersize);
int proc_pidpath(int pid, void *buffer, uint32_t buffersize);
int proc_libversion(int *major, int *minor);

int proc_pid_rusage(int pid, int flavor, rusage_info_t *buffer);

#define PROC_SETPC_NONE 0
#define PROC_SETPC_THROTTLEMEM 1
#define PROC_SETPC_SUSPEND 2
#define PROC_SETPC_TERMINATE 3

int proc_setpcontrol(const int control);
int proc_setpcontrol(const int control);

int proc_track_dirty(pid_t pid, uint32_t flags);
int proc_set_dirty(pid_t pid, bool dirty);
int proc_get_dirty(pid_t pid, uint32_t *flags);
int proc_clear_dirty(pid_t pid, uint32_t flags);

int proc_terminate(pid_t pid, int *sig);

#ifdef PRIVATE
#include <sys/event.h>

int proc_list_uptrs(pid_t pid, uint64_t *buffer, uint32_t buffersize);

int proc_list_dynkqueueids(int pid, kqueue_id_t *buf, uint32_t bufsz);
int proc_piddynkqueueinfo(int pid, int flavor, kqueue_id_t kq_id, void *buffer,
    int buffersize);

#endif /* PRIVATE */

int proc_udata_info(int pid, int flavor, void *buffer, int buffersize);

__END_DECLS

#endif /*_LIBPROC_H_ */

mach_vm.h

#ifndef	_mach_vm_user_
#define	_mach_vm_user_

/* Module mach_vm */

#include <string.h>
#include <mach/ndr.h>
#include <mach/boolean.h>
#include <mach/kern_return.h>
#include <mach/notify.h>
#include <mach/mach_types.h>
#include <mach/message.h>
#include <mach/mig_errors.h>
#include <mach/port.h>
	
/* BEGIN MIG_STRNCPY_ZEROFILL CODE */

#if defined(__has_include)
#if __has_include(<mach/mig_strncpy_zerofill_support.h>)
#ifndef USING_MIG_STRNCPY_ZEROFILL
#define USING_MIG_STRNCPY_ZEROFILL
#endif
#ifndef __MIG_STRNCPY_ZEROFILL_FORWARD_TYPE_DECLS__
#define __MIG_STRNCPY_ZEROFILL_FORWARD_TYPE_DECLS__
#ifdef __cplusplus
extern "C" {
#endif
	extern int mig_strncpy_zerofill(char *dest, const char *src, int len) __attribute__((weak_import));
#ifdef __cplusplus
}
#endif
#endif /* __MIG_STRNCPY_ZEROFILL_FORWARD_TYPE_DECLS__ */
#endif /* __has_include(<mach/mig_strncpy_zerofill_support.h>) */
#endif /* __has_include */
	
/* END MIG_STRNCPY_ZEROFILL CODE */


#ifdef AUTOTEST
#ifndef FUNCTION_PTR_T
#define FUNCTION_PTR_T
typedef void (*function_ptr_t)(mach_port_t, char *, mach_msg_type_number_t);
typedef struct {
        char            *name;
        function_ptr_t  function;
} function_table_entry;
typedef function_table_entry   *function_table_t;
#endif /* FUNCTION_PTR_T */
#endif /* AUTOTEST */

#ifndef	mach_vm_MSG_COUNT
#define	mach_vm_MSG_COUNT	21
#endif	/* mach_vm_MSG_COUNT */

#include <mach/std_types.h>
#include <mach/mig.h>
#include <mach/mig.h>
#include <mach/mach_types.h>
#include <mach_debug/mach_debug_types.h>

#ifdef __BeforeMigUserHeader
__BeforeMigUserHeader
#endif /* __BeforeMigUserHeader */

#include <sys/cdefs.h>
__BEGIN_DECLS


/* Routine mach_vm_allocate */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_allocate
(
	vm_map_t target,
	mach_vm_address_t *address,
	mach_vm_size_t size,
	int flags
);

/* Routine mach_vm_deallocate */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_deallocate
(
	vm_map_t target,
	mach_vm_address_t address,
	mach_vm_size_t size
);

/* Routine mach_vm_protect */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_protect
(
	vm_map_t target_task,
	mach_vm_address_t address,
	mach_vm_size_t size,
	boolean_t set_maximum,
	vm_prot_t new_protection
);

/* Routine mach_vm_inherit */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_inherit
(
	vm_map_t target_task,
	mach_vm_address_t address,
	mach_vm_size_t size,
	vm_inherit_t new_inheritance
);

/* Routine mach_vm_read */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_read
(
	vm_map_t target_task,
	mach_vm_address_t address,
	mach_vm_size_t size,
	vm_offset_t *data,
	mach_msg_type_number_t *dataCnt
);

/* Routine mach_vm_read_list */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_read_list
(
	vm_map_t target_task,
	mach_vm_read_entry_t data_list,
	natural_t count
);

/* Routine mach_vm_write */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_write
(
	vm_map_t target_task,
	mach_vm_address_t address,
	vm_offset_t data,
	mach_msg_type_number_t dataCnt
);

/* Routine mach_vm_copy */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_copy
(
	vm_map_t target_task,
	mach_vm_address_t source_address,
	mach_vm_size_t size,
	mach_vm_address_t dest_address
);

/* Routine mach_vm_read_overwrite */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_read_overwrite
(
	vm_map_t target_task,
	mach_vm_address_t address,
	mach_vm_size_t size,
	mach_vm_address_t data,
	mach_vm_size_t *outsize
);

/* Routine mach_vm_msync */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_msync
(
	vm_map_t target_task,
	mach_vm_address_t address,
	mach_vm_size_t size,
	vm_sync_t sync_flags
);

/* Routine mach_vm_behavior_set */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_behavior_set
(
	vm_map_t target_task,
	mach_vm_address_t address,
	mach_vm_size_t size,
	vm_behavior_t new_behavior
);

/* Routine mach_vm_map */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_map
(
	vm_map_t target_task,
	mach_vm_address_t *address,
	mach_vm_size_t size,
	mach_vm_offset_t mask,
	int flags,
	mem_entry_name_port_t object,
	memory_object_offset_t offset,
	boolean_t copy,
	vm_prot_t cur_protection,
	vm_prot_t max_protection,
	vm_inherit_t inheritance
);

/* Routine mach_vm_machine_attribute */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_machine_attribute
(
	vm_map_t target_task,
	mach_vm_address_t address,
	mach_vm_size_t size,
	vm_machine_attribute_t attribute,
	vm_machine_attribute_val_t *value
);

/* Routine mach_vm_remap */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_remap
(
	vm_map_t target_task,
	mach_vm_address_t *target_address,
	mach_vm_size_t size,
	mach_vm_offset_t mask,
	int flags,
	vm_map_t src_task,
	mach_vm_address_t src_address,
	boolean_t copy,
	vm_prot_t *cur_protection,
	vm_prot_t *max_protection,
	vm_inherit_t inheritance
);

/* Routine mach_vm_page_query */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_page_query
(
	vm_map_t target_map,
	mach_vm_offset_t offset,
	integer_t *disposition,
	integer_t *ref_count
);

/* Routine mach_vm_region_recurse */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_region_recurse
(
	vm_map_t target_task,
	mach_vm_address_t *address,
	mach_vm_size_t *size,
	natural_t *nesting_depth,
	vm_region_recurse_info_t info,
	mach_msg_type_number_t *infoCnt
);

/* Routine mach_vm_region */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_region
(
	vm_map_t target_task,
	mach_vm_address_t *address,
	mach_vm_size_t *size,
	vm_region_flavor_t flavor,
	vm_region_info_t info,
	mach_msg_type_number_t *infoCnt,
	mach_port_t *object_name
);

/* Routine _mach_make_memory_entry */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t _mach_make_memory_entry
(
	vm_map_t target_task,
	memory_object_size_t *size,
	memory_object_offset_t offset,
	vm_prot_t permission,
	mem_entry_name_port_t *object_handle,
	mem_entry_name_port_t parent_handle
);

/* Routine mach_vm_purgable_control */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_purgable_control
(
	vm_map_t target_task,
	mach_vm_address_t address,
	vm_purgable_t control,
	int *state
);

/* Routine mach_vm_page_info */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_page_info
(
	vm_map_t target_task,
	mach_vm_address_t address,
	vm_page_info_flavor_t flavor,
	vm_page_info_t info,
	mach_msg_type_number_t *infoCnt
);

/* Routine mach_vm_page_range_query */
#ifdef	mig_external
mig_external
#else
extern
#endif	/* mig_external */
kern_return_t mach_vm_page_range_query
(
	vm_map_t target_map,
	mach_vm_offset_t address,
	mach_vm_size_t size,
	mach_vm_address_t dispositions,
	mach_vm_size_t *dispositions_count
);

__END_DECLS

/********************** Caution **************************/
/* The following data types should be used to calculate  */
/* maximum message sizes only. The actual message may be */
/* smaller, and the position of the arguments within the */
/* message layout may vary from what is presented here.  */
/* For example, if any of the arguments are variable-    */
/* sized, and less than the maximum is sent, the data    */
/* will be packed tight in the actual message to reduce  */
/* the presence of holes.                                */
/********************** Caution **************************/

/* typedefs for all requests */

#ifndef __Request__mach_vm_subsystem__defined
#define __Request__mach_vm_subsystem__defined

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t address;
		mach_vm_size_t size;
		int flags;
	} __Request__mach_vm_allocate_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t address;
		mach_vm_size_t size;
	} __Request__mach_vm_deallocate_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t address;
		mach_vm_size_t size;
		boolean_t set_maximum;
		vm_prot_t new_protection;
	} __Request__mach_vm_protect_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t address;
		mach_vm_size_t size;
		vm_inherit_t new_inheritance;
	} __Request__mach_vm_inherit_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t address;
		mach_vm_size_t size;
	} __Request__mach_vm_read_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_read_entry_t data_list;
		natural_t count;
	} __Request__mach_vm_read_list_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		/* start of the kernel processed data */
		mach_msg_body_t msgh_body;
		mach_msg_ool_descriptor_t data;
		/* end of the kernel processed data */
		NDR_record_t NDR;
		mach_vm_address_t address;
		mach_msg_type_number_t dataCnt;
	} __Request__mach_vm_write_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t source_address;
		mach_vm_size_t size;
		mach_vm_address_t dest_address;
	} __Request__mach_vm_copy_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t address;
		mach_vm_size_t size;
		mach_vm_address_t data;
	} __Request__mach_vm_read_overwrite_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t address;
		mach_vm_size_t size;
		vm_sync_t sync_flags;
	} __Request__mach_vm_msync_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t address;
		mach_vm_size_t size;
		vm_behavior_t new_behavior;
	} __Request__mach_vm_behavior_set_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		/* start of the kernel processed data */
		mach_msg_body_t msgh_body;
		mach_msg_port_descriptor_t object;
		/* end of the kernel processed data */
		NDR_record_t NDR;
		mach_vm_address_t address;
		mach_vm_size_t size;
		mach_vm_offset_t mask;
		int flags;
		memory_object_offset_t offset;
		boolean_t copy;
		vm_prot_t cur_protection;
		vm_prot_t max_protection;
		vm_inherit_t inheritance;
	} __Request__mach_vm_map_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t address;
		mach_vm_size_t size;
		vm_machine_attribute_t attribute;
		vm_machine_attribute_val_t value;
	} __Request__mach_vm_machine_attribute_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		/* start of the kernel processed data */
		mach_msg_body_t msgh_body;
		mach_msg_port_descriptor_t src_task;
		/* end of the kernel processed data */
		NDR_record_t NDR;
		mach_vm_address_t target_address;
		mach_vm_size_t size;
		mach_vm_offset_t mask;
		int flags;
		mach_vm_address_t src_address;
		boolean_t copy;
		vm_inherit_t inheritance;
	} __Request__mach_vm_remap_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_offset_t offset;
	} __Request__mach_vm_page_query_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t address;
		natural_t nesting_depth;
		mach_msg_type_number_t infoCnt;
	} __Request__mach_vm_region_recurse_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t address;
		vm_region_flavor_t flavor;
		mach_msg_type_number_t infoCnt;
	} __Request__mach_vm_region_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		/* start of the kernel processed data */
		mach_msg_body_t msgh_body;
		mach_msg_port_descriptor_t parent_handle;
		/* end of the kernel processed data */
		NDR_record_t NDR;
		memory_object_size_t size;
		memory_object_offset_t offset;
		vm_prot_t permission;
	} __Request___mach_make_memory_entry_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t address;
		vm_purgable_t control;
		int state;
	} __Request__mach_vm_purgable_control_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_address_t address;
		vm_page_info_flavor_t flavor;
		mach_msg_type_number_t infoCnt;
	} __Request__mach_vm_page_info_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		mach_vm_offset_t address;
		mach_vm_size_t size;
		mach_vm_address_t dispositions;
		mach_vm_size_t dispositions_count;
	} __Request__mach_vm_page_range_query_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif
#endif /* !__Request__mach_vm_subsystem__defined */

/* union of all requests */

#ifndef __RequestUnion__mach_vm_subsystem__defined
#define __RequestUnion__mach_vm_subsystem__defined
union __RequestUnion__mach_vm_subsystem {
	__Request__mach_vm_allocate_t Request_mach_vm_allocate;
	__Request__mach_vm_deallocate_t Request_mach_vm_deallocate;
	__Request__mach_vm_protect_t Request_mach_vm_protect;
	__Request__mach_vm_inherit_t Request_mach_vm_inherit;
	__Request__mach_vm_read_t Request_mach_vm_read;
	__Request__mach_vm_read_list_t Request_mach_vm_read_list;
	__Request__mach_vm_write_t Request_mach_vm_write;
	__Request__mach_vm_copy_t Request_mach_vm_copy;
	__Request__mach_vm_read_overwrite_t Request_mach_vm_read_overwrite;
	__Request__mach_vm_msync_t Request_mach_vm_msync;
	__Request__mach_vm_behavior_set_t Request_mach_vm_behavior_set;
	__Request__mach_vm_map_t Request_mach_vm_map;
	__Request__mach_vm_machine_attribute_t Request_mach_vm_machine_attribute;
	__Request__mach_vm_remap_t Request_mach_vm_remap;
	__Request__mach_vm_page_query_t Request_mach_vm_page_query;
	__Request__mach_vm_region_recurse_t Request_mach_vm_region_recurse;
	__Request__mach_vm_region_t Request_mach_vm_region;
	__Request___mach_make_memory_entry_t Request__mach_make_memory_entry;
	__Request__mach_vm_purgable_control_t Request_mach_vm_purgable_control;
	__Request__mach_vm_page_info_t Request_mach_vm_page_info;
	__Request__mach_vm_page_range_query_t Request_mach_vm_page_range_query;
};
#endif /* !__RequestUnion__mach_vm_subsystem__defined */
/* typedefs for all replies */

#ifndef __Reply__mach_vm_subsystem__defined
#define __Reply__mach_vm_subsystem__defined

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
		mach_vm_address_t address;
	} __Reply__mach_vm_allocate_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
	} __Reply__mach_vm_deallocate_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
	} __Reply__mach_vm_protect_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
	} __Reply__mach_vm_inherit_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		/* start of the kernel processed data */
		mach_msg_body_t msgh_body;
		mach_msg_ool_descriptor_t data;
		/* end of the kernel processed data */
		NDR_record_t NDR;
		mach_msg_type_number_t dataCnt;
	} __Reply__mach_vm_read_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
		mach_vm_read_entry_t data_list;
	} __Reply__mach_vm_read_list_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
	} __Reply__mach_vm_write_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
	} __Reply__mach_vm_copy_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
		mach_vm_size_t outsize;
	} __Reply__mach_vm_read_overwrite_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
	} __Reply__mach_vm_msync_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
	} __Reply__mach_vm_behavior_set_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
		mach_vm_address_t address;
	} __Reply__mach_vm_map_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
		vm_machine_attribute_val_t value;
	} __Reply__mach_vm_machine_attribute_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
		mach_vm_address_t target_address;
		vm_prot_t cur_protection;
		vm_prot_t max_protection;
	} __Reply__mach_vm_remap_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
		integer_t disposition;
		integer_t ref_count;
	} __Reply__mach_vm_page_query_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
		mach_vm_address_t address;
		mach_vm_size_t size;
		natural_t nesting_depth;
		mach_msg_type_number_t infoCnt;
		int info[19];
	} __Reply__mach_vm_region_recurse_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		/* start of the kernel processed data */
		mach_msg_body_t msgh_body;
		mach_msg_port_descriptor_t object_name;
		/* end of the kernel processed data */
		NDR_record_t NDR;
		mach_vm_address_t address;
		mach_vm_size_t size;
		mach_msg_type_number_t infoCnt;
		int info[10];
	} __Reply__mach_vm_region_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		/* start of the kernel processed data */
		mach_msg_body_t msgh_body;
		mach_msg_port_descriptor_t object_handle;
		/* end of the kernel processed data */
		NDR_record_t NDR;
		memory_object_size_t size;
	} __Reply___mach_make_memory_entry_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
		int state;
	} __Reply__mach_vm_purgable_control_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
		mach_msg_type_number_t infoCnt;
		int info[32];
	} __Reply__mach_vm_page_info_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif

#ifdef  __MigPackStructs
#pragma pack(4)
#endif
	typedef struct {
		mach_msg_header_t Head;
		NDR_record_t NDR;
		kern_return_t RetCode;
		mach_vm_size_t dispositions_count;
	} __Reply__mach_vm_page_range_query_t __attribute__((unused));
#ifdef  __MigPackStructs
#pragma pack()
#endif
#endif /* !__Reply__mach_vm_subsystem__defined */

/* union of all replies */

#ifndef __ReplyUnion__mach_vm_subsystem__defined
#define __ReplyUnion__mach_vm_subsystem__defined
union __ReplyUnion__mach_vm_subsystem {
	__Reply__mach_vm_allocate_t Reply_mach_vm_allocate;
	__Reply__mach_vm_deallocate_t Reply_mach_vm_deallocate;
	__Reply__mach_vm_protect_t Reply_mach_vm_protect;
	__Reply__mach_vm_inherit_t Reply_mach_vm_inherit;
	__Reply__mach_vm_read_t Reply_mach_vm_read;
	__Reply__mach_vm_read_list_t Reply_mach_vm_read_list;
	__Reply__mach_vm_write_t Reply_mach_vm_write;
	__Reply__mach_vm_copy_t Reply_mach_vm_copy;
	__Reply__mach_vm_read_overwrite_t Reply_mach_vm_read_overwrite;
	__Reply__mach_vm_msync_t Reply_mach_vm_msync;
	__Reply__mach_vm_behavior_set_t Reply_mach_vm_behavior_set;
	__Reply__mach_vm_map_t Reply_mach_vm_map;
	__Reply__mach_vm_machine_attribute_t Reply_mach_vm_machine_attribute;
	__Reply__mach_vm_remap_t Reply_mach_vm_remap;
	__Reply__mach_vm_page_query_t Reply_mach_vm_page_query;
	__Reply__mach_vm_region_recurse_t Reply_mach_vm_region_recurse;
	__Reply__mach_vm_region_t Reply_mach_vm_region;
	__Reply___mach_make_memory_entry_t Reply__mach_make_memory_entry;
	__Reply__mach_vm_purgable_control_t Reply_mach_vm_purgable_control;
	__Reply__mach_vm_page_info_t Reply_mach_vm_page_info;
	__Reply__mach_vm_page_range_query_t Reply_mach_vm_page_range_query;
};
#endif /* !__RequestUnion__mach_vm_subsystem__defined */

#ifndef subsystem_to_name_map_mach_vm
#define subsystem_to_name_map_mach_vm \
    { "mach_vm_allocate", 4800 },\
    { "mach_vm_deallocate", 4801 },\
    { "mach_vm_protect", 4802 },\
    { "mach_vm_inherit", 4803 },\
    { "mach_vm_read", 4804 },\
    { "mach_vm_read_list", 4805 },\
    { "mach_vm_write", 4806 },\
    { "mach_vm_copy", 4807 },\
    { "mach_vm_read_overwrite", 4808 },\
    { "mach_vm_msync", 4809 },\
    { "mach_vm_behavior_set", 4810 },\
    { "mach_vm_map", 4811 },\
    { "mach_vm_machine_attribute", 4812 },\
    { "mach_vm_remap", 4813 },\
    { "mach_vm_page_query", 4814 },\
    { "mach_vm_region_recurse", 4815 },\
    { "mach_vm_region", 4816 },\
    { "_mach_make_memory_entry", 4817 },\
    { "mach_vm_purgable_control", 4818 },\
    { "mach_vm_page_info", 4819 },\
    { "mach_vm_page_range_query", 4820 }
#endif

#ifdef __AfterMigUserHeader
__AfterMigUserHeader
#endif /* __AfterMigUserHeader */

#endif	 /* _mach_vm_user_ */

vmmap.c

// Brandon Azad (@_bazad)

#include <assert.h>
#include <errno.h>
#include <mach/mach.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#if defined(__x86_64__)
#include <libproc.h>
#include <mach/mach_vm.h>
#endif

#if defined(__arm64__)
#include "libproc.h"
#include "mach_vm.h"
#endif

static void
format_display_size(char buf[5], uint64_t size) {
	const char scale[] = { 'B', 'K', 'M', 'G', 'T', 'P', 'E' };
	double display_size = size;
	unsigned scale_index = 0;
	while (display_size >= 999.5) {
		display_size /= 1024;
		scale_index++;
	}
	assert(scale_index < sizeof(scale) / sizeof(scale[0]));
	int precision = 0;
	if (display_size < 9.95 && display_size - (float)((int)display_size) > 0) {
		precision = 1;
	}
	int len = snprintf(buf, 5, "%.*f%c", precision, display_size, scale[scale_index]);
	assert(len > 0 && len < 5);
}

static void
format_memory_protection(char buf[4], int prot) {
	int len = snprintf(buf, 4, "%c%c%c",
			(prot & VM_PROT_READ    ? 'r' : '-'),
			(prot & VM_PROT_WRITE   ? 'w' : '-'),
			(prot & VM_PROT_EXECUTE ? 'x' : '-'));
	assert(len == 3);
}

static const char *
share_mode_name(unsigned char share_mode) {
	switch (share_mode) {
		case SM_COW:                    return "COW";
		case SM_PRIVATE:                return "PRV";
		case SM_EMPTY:                  return "NUL";
		case SM_SHARED:                 return "ALI";
		case SM_TRUESHARED:             return "SHR";
		case SM_PRIVATE_ALIASED:        return "P/A";
		case SM_SHARED_ALIASED:         return "S/A";
		case SM_LARGE_PAGE:             return "LPG";
		default:                        return "???";
	}
}

static bool
vmmap(task_t task, uintptr_t start, uintptr_t end, uint32_t depth) {
	int pid = -1;
	pid_for_task(task, &pid);
	for (bool first = true;; first = false) {
		mach_vm_address_t address = start;
		mach_vm_size_t size = 0;
		uint32_t depth0 = depth;
		vm_region_submap_info_data_64_t info;
		mach_msg_type_number_t count = VM_REGION_SUBMAP_INFO_COUNT_64;
		kern_return_t kr = mach_vm_region_recurse(task, &address, &size,
				&depth0, (vm_region_recurse_info_t)&info, &count);
		if (kr != KERN_SUCCESS || address > end) {
			if (first) {
				if (start == end) {
					printf("no virtual memory region contains address %p\n",
							(void *)start);
				} else {
					printf("no virtual memory region intersects %p-%p\n",
							(void *)start, (void *)end);
				}
			}
			break;
		}
		if (first) {
			printf("          START - END             [ VSIZE ] "
					"PRT/MAX SHRMOD DEPTH RESIDENT REFCNT TAG"
					"    FILE\n");
		}
		char vsize[5];
		format_display_size(vsize, size);
		char cur_prot[4];
		format_memory_protection(cur_prot, info.protection);
		char max_prot[4];
		format_memory_protection(max_prot, info.max_protection);
		// Get the file name for this region.
		char filename[4 + 4096] = {};
		memset(filename, ' ', 4);
		errno = 0;
		int ret = proc_regionfilename(pid, address, filename + 4, sizeof(filename) - 4);
		if (ret <= 0 || errno != 0) {
			filename[0] = 0;
		}
		printf("%016llx-%016llx [ %5s ] %s/%s %6s %5u %8u %6u %3u%s\n",
				address, address + size,
				vsize,
				cur_prot, max_prot,
				share_mode_name(info.share_mode),
				depth0,
				info.pages_resident,
				info.ref_count,
				info.user_tag,
				filename);
		start = address + size;
	}
	return true;
}

int
main(int argc, const char *argv[]) {
	uint32_t depth = 2048;
	char *end = NULL;
	int argidx = 1;
	// Options
	for (;;) {
		if (argidx >= argc) {
			goto arguments;
		}
		// -d <depth>
		if (strcmp(argv[argidx], "-d") == 0) {
			argidx++;
			if (argidx >= argc) {
				goto usage;
			}
			uint64_t value = strtoul(argv[argidx], &end, 0);
			if (*end != 0 || value > UINT32_MAX) {
				goto usage;
			}
			depth = value;
		} else {
			goto arguments;
		}
		argidx++;
	}
usage:
	printf("usage: vmmap [-d <depth>] <pid>\n");
	return 1;
	// Arguments
arguments:
	if (argidx >= argc) {
		goto usage;
	}
	// pid
	uint64_t value = strtoul(argv[argidx], &end, 0);
	if (*end != 0 || value > 1000000) {
		goto usage;
	}
	int pid = value;
	argidx++;
	// End of arguments
	if (argidx != argc) {
		goto usage;
	}
	// Implementation.
	mach_port_t task = MACH_PORT_NULL;
	kern_return_t kr = task_for_pid(mach_task_self(), pid, &task);
	if (kr != KERN_SUCCESS) {
		printf("task_for_pid(%d) failed: %s\n", pid, mach_error_string(kr));
		return 1;
	}
	printf("Virtal Memory Map (depth=%u) for PID %d\n", depth, pid);
	vmmap(task, 0, -1, depth);
	return 0;
}

vmmap.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>com.apple.private.debug_port</key>
	<true/>
	<key>com.apple.private.iosurfaceinfo</key>
	<true/>
	<key>com.apple.private.security.no-container</key>
	<true/>
	<key>com.apple.private.security.storage.AppDataContainers</key>
	<true/>
	<key>com.apple.security.iokit-user-client-class</key>
	<array>
		<string>IOSurfaceRootUserClient</string>
	</array>
	<key>com.apple.system-task-ports</key>
	<true/>
	<key>platform-application</key>
	<true/>
	<key>task_for_pid-allow</key>
	<true/>
</dict>
</plist>