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c816e07413
2002-08-31 Andreas Jaeger <aj@suse.de> * sysdeps/unix/sysv/linux/x86_64/Makefile (sysdep_routines): Add __start_context. * sysdeps/unix/sysv/linux/x86_64/__start_context.S: New file. * sysdeps/unix/sysv/linux/x86_64/makecontext.c: New file. * sysdeps/unix/sysv/linux/x86_64/ucontext_i.h: Add defines for registers used for passing args. * sysdeps/unix/sysv/linux/x86_64/swapcontext.S: Save and restore all needed registers. * sysdeps/unix/sysv/linux/x86_64/setcontext.S: Restore all registers. * sysdeps/unix/sysv/linux/x86_64/getcontext.S: Save all needed registers.
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/* Offsets and other constants needed in the *context() function
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implementation for Linux/x86-64.
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Copyright (C) 2002 Free Software Foundation, Inc.
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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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#define SIG_BLOCK 0
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#define SIG_SETMASK 2
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/* Since we cannot include a header to define _NSIG/8, we define it
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here. */
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#define _NSIG8 8
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/* Offsets of the fields in the ucontext_t structure. */
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#define oRBP 120
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#define oRSP 160
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#define oRBX 128
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#define oR8 40
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#define oR9 48
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#define oR12 72
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#define oR13 80
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#define oR14 88
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#define oR15 96
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#define oRDI 104
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#define oRSI 112
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#define oRDX 136
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#define oRAX 144
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#define oRCX 152
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#define oRIP 168
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#define oFPREGS 208
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#define oSIGMASK 280
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#define oFPREGSMEM 408
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#define oMXCSR 432
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