1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
From 899aaaeeb0887a36d247df9fddaab8eca634a5c3 Mon Sep 17 00:00:00 2001
From: Nicole LeGare <legare@google.com>
Date: Mon, 12 Dec 2022 18:42:21 +0000
Subject: [PATCH] PATCH: Add mmap API for Trusty
Change-Id: Ib9d576533be631c8f5e7cd21a3916e269f713cd1
---
src/trusty.rs | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/src/trusty.rs b/src/trusty.rs
index c7e4e4fa..7791a84a 100644
--- a/src/trusty.rs
+++ b/src/trusty.rs
@@ -3,6 +3,8 @@ pub use core::ffi::c_void;
pub type size_t = usize;
pub type ssize_t = isize;
+pub type off_t = i64;
+
#[cfg(any(target_arch = "aarch64", target_arch = "arm"))]
pub type c_char = u8;
#[cfg(target_arch = "x86_64")]
@@ -43,6 +45,10 @@ pub type time_t = c_long;
pub const STDOUT_FILENO: ::c_int = 1;
pub const STDERR_FILENO: ::c_int = 2;
+pub const AT_PAGESZ: ::c_ulong = 6;
+
+pub const MAP_FAILED: *mut ::c_void = !0 as *mut ::c_void;
+
extern "C" {
pub fn calloc(nobj: size_t, size: size_t) -> *mut c_void;
pub fn malloc(size: size_t) -> *mut c_void;
@@ -53,6 +59,16 @@ extern "C" {
pub fn write(fd: ::c_int, buf: *const ::c_void, count: ::size_t) -> ::ssize_t;
pub fn writev(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t;
pub fn strlen(cs: *const c_char) -> size_t;
+ pub fn getauxval(type_: c_ulong) -> c_ulong;
+ pub fn mmap(
+ addr: *mut ::c_void,
+ len: ::size_t,
+ prot: ::c_int,
+ flags: ::c_int,
+ fd: ::c_int,
+ offset: off_t,
+ ) -> *mut ::c_void;
+ pub fn munmap(addr: *mut ::c_void, len: ::size_t) -> ::c_int;
}
s! {
--
2.39.0.rc1.256.g54fd8350bd-goog
|
