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- removed (replaced by sig_cpu.inc to avoid name clashes)
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{
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$Id$
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Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
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@APPLE_LICENSE_HEADER_START@
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The contents of this file constitute Original Code as defined in and
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are subject to the Apple Public Source License Version 1.1 (the
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"License"). You may not use this file except in compliance with the
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License. Please obtain a copy of the License at
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http://www.apple.com/publicsource and read it before using this file.
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This Original Code and all software distributed under the License are
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distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
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License for the specific language governing rights and limitations
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under the License.
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@APPLE_LICENSE_HEADER_END@
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}
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{
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Copyright (c) 1992, 1993 NeXT Computer, Inc.
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HISTORY
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Machine specific signal information.
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HISTORY
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25-MAR-97 Umesh Vaishampayan (umeshv@NeXT.com)
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Ported from m98k and hppa.
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13-Jan-92 Peter King (king) at NeXT Computer, Inc.
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Filled out struct sigcontext to hold all registers.
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Added regs_saved_t to specify which regs stored in the
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sigcontext are valid.
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09-Nov-92 Ben Fathi (benf) at NeXT, Inc.
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Ported to m98k.
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09-May-91 Mike DeMoney (mike) at NeXT, Inc.
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Ported to m88k.
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}
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const
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_PPC_SIGNAL_ = 1;
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type
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sig_atomic_t = longint;
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{
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Machine-dependant flags used in sigvec call.
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}
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{ Save all regs in sigcontext }
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const
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SV_SAVE_REGS = $1000;
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{
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regs_saved_t -- Describes which registers beyond what the kernel cares
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about are saved to and restored from this sigcontext.
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The default is REGS_SAVED_CALLER, only the caller saved registers
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are saved. If the SV_SAVE_REGS flag was set when the signal
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handler was registered with sigvec() then all the registers will be
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saved in the sigcontext, and REGS_SAVED_ALL will be set. The C
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library uses REGS_SAVED_NONE in order to quickly restore kernel
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state during a longjmp().
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}
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{ Only kernel managed regs restored }
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{ "Caller saved" regs: rpc, a0-a7,
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t0-t4, at, lk0-lk1, xt1-xt20,
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xr0-xr1 }
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{ All registers }
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type
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regs_saved_t = (REGS_SAVED_NONE,REGS_SAVED_CALLER,REGS_SAVED_ALL
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);
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{
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Information pushed on stack when a signal is delivered.
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This is used by the kernel to restore state following
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execution of the signal handler. It is also made available
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to the handler to allow it to properly restore state if
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a non-standard exit is performed.
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}
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{ sigstack state to restore }
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{ signal mask to restore }
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{ pc }
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{ processor status word }
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{ stack pointer if sc_regs == NULL }
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{ (kernel private) saved state }
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sigcontextrec = record
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sc_onstack : longint;
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sc_mask : longint;
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sc_ir : longint;
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sc_psw : longint;
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sc_sp : longint;
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sc_regs : pointer;
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end;
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{
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$Log$
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Revision 1.1 2002-09-08 09:01:48 jonas
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+ initial revision
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}
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