1/*
2 * Copyright (C) 2020 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29// Typically GCC outputs functions like these into any object file that needs a PIC base register,
30// and one of the copies for each register is used. Clang doesn't use these functions, but some of
31// the quasi-hand-written assembly in the optimized string routines does.
32
33    .section .text.__x86.get_pc_thunk.bx,"axG",@progbits,__x86.get_pc_thunk.bx,comdat
34    .globl __x86.get_pc_thunk.bx
35    .hidden __x86.get_pc_thunk.bx
36    .p2align 4
37    .type __x86.get_pc_thunk.bx,@function
38__x86.get_pc_thunk.bx:
39    .cfi_startproc
40    movl (%esp), %ebx
41    ret
42    .cfi_endproc
43
44    .section .text.__x86.get_pc_thunk.cx,"axG",@progbits,__x86.get_pc_thunk.cx,comdat
45    .globl __x86.get_pc_thunk.cx
46    .hidden __x86.get_pc_thunk.cx
47    .p2align 4
48    .type __x86.get_pc_thunk.cx,@function
49__x86.get_pc_thunk.cx:
50    .cfi_startproc
51    movl (%esp), %ecx
52    ret
53    .cfi_endproc
54