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1 | /* Jump to a new context. |
2 | Copyright (C) 2002, 2004, 2005, 2006 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
19 | ||
20 | #include <sysdep.h> | |
21 | #include <rtld-global-offsets.h> | |
22 | #include <shlib-compat.h> | |
23 | ||
24 | #define __ASSEMBLY__ | |
25 | #include <asm/ptrace.h> | |
26 | #include "ucontext_i.h" | |
27 | ||
28 | #define __CONTEXT_FUNC_NAME __setcontext | |
29 | #undef __CONTEXT_ENABLE_FPRS | |
30 | #undef __CONTEXT_ENABLE_VRS | |
31 | ||
32 | #include "setcontext-common.S" | |
33 | ||
34 | versioned_symbol (libc, __setcontext, setcontext, GLIBC_2_3_4) | |
35 | ||
36 | #if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4) | |
37 | ||
38 | /* For the nofpu case the old/new versions are the same function. */ | |
39 | strong_alias (__setcontext, __novec_setcontext) | |
40 | ||
41 | compat_symbol (libc, __novec_setcontext, setcontext, GLIBC_2_3_3) | |
42 | ||
43 | #endif | |
44 | ||
45 | #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_3) | |
46 | ||
47 | #define _ERRNO_H 1 | |
48 | #include <bits/errno.h> | |
49 | ||
50 | compat_text_section | |
51 | ENTRY (__setcontext_stub) | |
52 | li r3,ENOSYS | |
53 | b __syscall_error@local | |
54 | END (__setcontext_stub) | |
55 | .previous | |
56 | ||
57 | compat_symbol (libc, __setcontext_stub, setcontext, GLIBC_2_0) | |
58 | ||
59 | #endif |