Auto merge of #2283 - devnexen:mach_vm_map_apple, r=JohnTitor

apple add mach_vm_map, mmap does not provide custom alignment so

 mach_vm_map is only way.

Author: bors

libc-test/build.rs

@@ -193,6 +193,7 @@ fn test_apple(target: &str) {
         "mach/mach_init.h",
         "mach/mach_time.h",
         "mach/mach_types.h",
+        "mach/mach_vm.h",
         "mach/thread_act.h",
         "mach/thread_policy.h",
         "malloc/malloc.h",

libc-test/semver/apple.txt

@@ -729,6 +729,7 @@ MAXTHREADNAMESIZE
 MCL_CURRENT
 MCL_FUTURE
 MDMBUF
+MEMORY_OBJECT_NULL
 MH_MAGIC
 MH_MAGIC_64
 MINCORE_INCORE
@@ -1419,6 +1420,10 @@ VM_MEMORY_TCMALLOC
 VM_MEMORY_UNSHARED_PMAP
 VM_MEMORY_WEBCORE_PURGEABLE_BUFFERS
 VM_METER
+VM_PROT_EXECUTE
+VM_PROT_NONE
+VM_PROT_READ
+VM_PROT_WRITE
 VM_SWAPUSAGE
 VSTATUS
 VT0
@@ -1705,6 +1710,10 @@ mach_port_t
 mach_thread_self
 mach_timebase_info
 mach_timebase_info_data_t
+mach_vm_address_t
+mach_vm_map
+mach_vm_offset_t
+mach_vm_size_t
 madvise
 malloc_default_zone
 malloc_printf
@@ -1723,10 +1732,13 @@ malloc_zone_t
 malloc_zone_valloc
 max_align_t
 mcontext_t
+memory_object_t
+memory_object_offset_t
 memset_pattern4
 memset_pattern8
 memset_pattern16
 memset_s
+mem_entry_name_port_t
 mincore
 mkdirat
 mkstemps
@@ -1909,6 +1921,8 @@ uselocale
 utimensat
 utmpx
 utmpxname
+vm_inherit_t
+vm_map_t
 vm_prot_t
 vm_size_t
 wait4

src/unix/bsd/apple/mod.rs

@@ -44,6 +44,15 @@ pub type processor_flavor_t = ::c_int;
 pub type thread_flavor_t = natural_t;
 pub type thread_inspect_t = mach_port_t;
 pub type policy_t = ::c_int;
+pub type mach_vm_address_t = u64;
+pub type mach_vm_offset_t = u64;
+pub type mach_vm_size_t = u64;
+pub type vm_map_t = ::mach_port_t;
+pub type mem_entry_name_port_t = ::mach_port_t;
+pub type memory_object_t = ::mach_port_t;
+pub type memory_object_offset_t = ::c_ulonglong;
+pub type vm_inherit_t = ::c_uint;
+pub type vm_prot_t = ::c_int;
 
 pub type iconv_t = *mut ::c_void;
 
@@ -93,7 +102,6 @@ pub type CCCryptorStatus = i32;
 pub type CCRNGStatus = ::CCCryptorStatus;
 
 deprecated_mach! {
-    pub type vm_prot_t = ::c_int;
     pub type vm_size_t = ::uintptr_t;
     pub type mach_timebase_info_data_t = mach_timebase_info;
 }
@@ -3318,6 +3326,11 @@ pub const VM_LOADAVG: ::c_int = 2;
 pub const VM_MACHFACTOR: ::c_int = 4;
 pub const VM_SWAPUSAGE: ::c_int = 5;
 pub const VM_MAXID: ::c_int = 6;
+pub const VM_PROT_NONE: ::vm_prot_t = 0x00;
+pub const VM_PROT_READ: ::vm_prot_t = 0x01;
+pub const VM_PROT_WRITE: ::vm_prot_t = 0x02;
+pub const VM_PROT_EXECUTE: ::vm_prot_t = 0x04;
+pub const MEMORY_OBJECT_NULL: ::memory_object_t = 0;
 pub const HW_MACHINE: ::c_int = 1;
 pub const HW_MODEL: ::c_int = 2;
 pub const HW_NCPU: ::c_int = 3;
@@ -4403,6 +4416,20 @@ extern "C" {
     pub fn CCRandomGenerateBytes(bytes: *mut ::c_void, size: ::size_t) -> ::CCRNGStatus;
 
     pub fn _NSGetExecutablePath(buf: *mut ::c_char, bufsize: *mut u32) -> ::c_int;
+
+    pub fn mach_vm_map(
+        target_task: ::vm_map_t,
+        address: *mut ::mach_vm_address_t,
+        size: ::mach_vm_size_t,
+        mask: ::mach_vm_offset_t,
+        flags: ::c_int,
+        object: ::mem_entry_name_port_t,
+        offset: ::memory_object_offset_t,
+        copy: ::boolean_t,
+        cur_protection: ::vm_prot_t,
+        max_protection: ::vm_prot_t,
+        inheritance: ::vm_inherit_t,
+    ) -> ::kern_return_t;
 }
 
 cfg_if! {