xref: /freebsd/contrib/llvm-project/compiler-rt/lib/orc/elfnix_tls.x86-64.S (revision 349cc55c9796c4596a5b9904cd3281af295f878f)
1
2//===-- orc_rt_elfnix_tls_x86-64.s -------------------------------*- ASM -*-===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of the ORC runtime support library.
11//
12//===----------------------------------------------------------------------===//
13
14// The content of this file is x86_64-only
15#if defined(__x86_64__)
16
17#define REGISTER_SAVE_SPACE_SIZE        512
18
19        .text
20
21	// returns address of TLV in %rax, all other registers preserved
22	.globl ___orc_rt_elfnix_tls_get_addr
23___orc_rt_elfnix_tls_get_addr:
24        pushq           %rbp
25        movq            %rsp,        %rbp
26        subq            $REGISTER_SAVE_SPACE_SIZE, %rsp
27        movq            %rcx,    -16(%rbp)
28        movq            %rdx,    -24(%rbp)
29        movq            %rsi,    -32(%rbp)
30        movq            %rdi,    -40(%rbp)
31        movq            %r8,     -48(%rbp)
32        movq            %r9,     -56(%rbp)
33        movq            %r10,    -64(%rbp)
34        movq            %r11,    -72(%rbp)
35	movdqa          %xmm0,  -128(%rbp)
36	movdqa          %xmm1,  -144(%rbp)
37	movdqa          %xmm2,  -160(%rbp)
38	movdqa          %xmm3,  -176(%rbp)
39	movdqa          %xmm4,  -192(%rbp)
40	movdqa          %xmm5,  -208(%rbp)
41	movdqa          %xmm6,  -224(%rbp)
42	movdqa          %xmm7,  -240(%rbp)
43        call           __orc_rt_elfnix_tls_get_addr_impl
44        movq            -16(%rbp),      %rcx
45        movq            -24(%rbp),      %rdx
46        movq            -32(%rbp),      %rsi
47        movq            -40(%rbp),      %rdi
48        movq            -48(%rbp),      %r8
49        movq            -56(%rbp),      %r9
50        movq            -64(%rbp),      %r10
51        movq            -72(%rbp),      %r11
52  movdqa          -128(%rbp),     %xmm0
53	movdqa          -144(%rbp),     %xmm1
54	movdqa          -160(%rbp),     %xmm2
55	movdqa          -176(%rbp),     %xmm3
56	movdqa          -192(%rbp),     %xmm4
57	movdqa          -208(%rbp),     %xmm5
58	movdqa          -224(%rbp),     %xmm6
59	movdqa          -240(%rbp),     %xmm7
60        addq            $REGISTER_SAVE_SPACE_SIZE, %rsp
61        popq            %rbp
62        ret
63
64#endif // defined(__x86_64__)
65