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
54
55
56
57
58
59
60
|
/* Copyright (C) 2011 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _LINUX_X32_SYSDEP_H
#define _LINUX_X32_SYSDEP_H 1
/* There is some commonality. */
#include <sysdeps/unix/sysv/linux/x86_64/sysdep.h>
#include <sysdeps/x86_64/x32/sysdep.h>
#ifdef __ASSEMBLER__
# ifdef SYSCALL_RETURN_INT64
# define SYSCALL_SET_ERROR_RETURN orq $-1, %rax
# else
# define SYSCALL_SET_ERROR_RETURN orl $-1, %eax
# endif
# ifndef PIC
/* Nothing here. */
# elif RTLD_PRIVATE_ERRNO
# undef SYSCALL_ERROR_HANDLER
# define SYSCALL_ERROR_HANDLER \
0: \
lea rtld_errno(%rip), %ecx; \
xorl %edx, %edx; \
subl %eax, %edx; \
movl %edx, (%rcx); \
SYSCALL_SET_ERROR_RETURN; \
jmp L(pseudo_end);
# else
# undef SYSCALL_ERROR_HANDLER
# define SYSCALL_ERROR_HANDLER \
0: \
movq SYSCALL_ERROR_ERRNO@GOTTPOFF(%rip), %rcx;\
xorl %edx, %edx; \
subl %eax, %edx; \
movl %edx, %fs:(%rcx); \
SYSCALL_SET_ERROR_RETURN; \
jmp L(pseudo_end);
# endif /* PIC */
#endif /* __ASSEMBLER__ */
#endif /* linux/x86_64/x32/sysdep.h */
|
