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492e01c8 | 1 | /* setjmp for 64 bit S/390, ELF version. |
568035b7 | 2 | Copyright (C) 2001-2013 Free Software Foundation, Inc. |
847b055c | 3 | Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). |
ffeac417 | 4 | This file is part of the GNU C Library. |
847b055c AJ |
5 | |
6 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
847b055c AJ |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
847b055c | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
847b055c | 19 | |
ffeac417 | 20 | #include <sysdep.h> |
492e01c8 AJ |
21 | #define _ASM |
22 | #define _SETJMP_H | |
ffeac417 UD |
23 | #include <bits/setjmp.h> |
24 | ||
492e01c8 AJ |
25 | /* We include the BSD entry points here as well but we make |
26 | them weak. */ | |
27 | ENTRY (setjmp) | |
28 | .weak C_SYMBOL_NAME (setjmp) | |
29 | lghi %r3,1 /* Second argument of one. */ | |
30 | j .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp. */ | |
31 | END (setjmp) | |
32 | ||
33 | /* Binary compatibility entry point. */ | |
34 | ENTRY(_setjmp) | |
35 | .weak C_SYMBOL_NAME (_setjmp) | |
36 | slgr %r3,%r3 /* Second argument of zero. */ | |
37 | j .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp. */ | |
38 | END (setjmp) | |
39 | libc_hidden_def (_setjmp) | |
40 | ||
41 | ENTRY(__setjmp) | |
42 | slgr %r3,%r3 /* Second argument of zero. */ | |
43 | j .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp. */ | |
44 | END (setjmp) | |
ffeac417 UD |
45 | |
46 | ENTRY(__sigsetjmp) | |
492e01c8 | 47 | .Linternal_sigsetjmp: |
00c2b3b9 UD |
48 | #ifdef PTR_MANGLE |
49 | stmg %r6,%r13,0(%r2) /* Store registers in jmp_buf. */ | |
50 | lgr %r4,%r14 | |
305bb37e UD |
51 | lgr %r5,%r15 |
52 | PTR_MANGLE (%r4, %r1) | |
53 | PTR_MANGLE2 (%r5, %r1) | |
54 | stmg %r4,%r5,64(%r2) | |
00c2b3b9 | 55 | #else |
ffeac417 | 56 | stmg %r6,%r15,0(%r2) /* Store registers in jmp_buf. */ |
00c2b3b9 | 57 | #endif |
ffeac417 UD |
58 | std %f1,80(%r2) |
59 | std %f3,88(%r2) | |
60 | std %f5,96(%r2) | |
61 | std %f7,104(%r2) | |
00c2b3b9 UD |
62 | #if defined NOT_IN_libc && defined IS_IN_rtld |
63 | /* In ld.so we never save the signal mask. */ | |
64 | lghi %r2,0 | |
65 | br %r14 | |
66 | #elif defined PIC | |
492e01c8 | 67 | jg __sigjmp_save@PLT /* Branch to PLT of __sigsetjmp. */ |
ffeac417 | 68 | #else |
492e01c8 | 69 | jg __sigjmp_save |
847b055c | 70 | #endif |
ffeac417 | 71 | END (__sigsetjmp) |