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80 lines
2.5 KiB
ArmAsm
80 lines
2.5 KiB
ArmAsm
/* setjmp for 64 bit S/390, ELF version.
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Copyright (C) 2001-2014 Free Software Foundation, Inc.
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Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#define _ASM
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#define _SETJMP_H
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#include <bits/setjmp.h>
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/* We include the BSD entry points here as well but we make
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them weak. */
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ENTRY (setjmp)
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.weak C_SYMBOL_NAME (setjmp)
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lghi %r3,1 /* Second argument of one. */
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j 0f /* Branch relativ to __sigsetjmp. */
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END (setjmp)
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/* Binary compatibility entry point. */
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ENTRY(_setjmp)
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.weak C_SYMBOL_NAME (_setjmp)
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slgr %r3,%r3 /* Second argument of zero. */
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j 0f /* Branch relativ to __sigsetjmp. */
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END (_setjmp)
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libc_hidden_def (_setjmp)
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ENTRY(__setjmp)
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slgr %r3,%r3 /* Second argument of zero. */
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j 0f /* Branch relativ to __sigsetjmp. */
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END (__setjmp)
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ENTRY(__sigsetjmp)
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0:
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#ifdef PTR_MANGLE
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stmg %r6,%r13,0(%r2) /* Store registers in jmp_buf. */
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lgr %r4,%r14
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lgr %r5,%r15
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PTR_MANGLE (%r4, %r1)
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PTR_MANGLE2 (%r5, %r1)
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stmg %r4,%r5,64(%r2)
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#else
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stmg %r6,%r15,0(%r2) /* Store registers in jmp_buf. */
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#endif
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#ifndef __V1_JMPBUF
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lghi %r4,0
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stg %r4,144(%r2) /* Set __flags to 0. */
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#endif
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std %f8,80(%r2)
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std %f9,88(%r2)
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std %f10,96(%r2)
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std %f11,104(%r2)
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std %f12,112(%r2)
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std %f13,120(%r2)
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std %f14,128(%r2)
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std %f15,136(%r2)
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#if defined NOT_IN_libc && defined IS_IN_rtld
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/* In ld.so we never save the signal mask. */
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lghi %r2,0
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br %r14
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#elif defined PIC
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jg __sigjmp_save@PLT /* Branch to PLT of __sigsetjmp. */
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#else
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jg __sigjmp_save
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#endif
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END (__sigsetjmp)
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