blob: f5b2341c75509509ade4f734187fe4a8f69d40b0 (
plain)
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
|
//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
//
#include "unixasmmacros.inc"
#include "asmconstants.h"
.syntax unified
.thumb
//
// void *memcpy(void *dst, const void *src, size_t length)
//
// Copy a block of memory in a forward direction.
//
LEAF_ENTRY FCallMemcpy, _TEXT
cmp r2, #0
beq LOCAL_LABEL(GC_POLL)
ldr r3, [r0]
ldr r3, [r1]
push {lr}
blx C_FUNC(memcpy)
pop {lr}
LOCAL_LABEL(GC_POLL):
ldr r0, =g_TrapReturningThreads
ldr r0, [r0]
cmp r0, #0
it ne
bne C_FUNC(FCallMemCpy_GCPoll)
bx lr
LEAF_END FCallMemcpy, _TEXT
|
