unwind.h: Move to libc/sysdeps from nptl sysdeps

Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 0 insertions, 220 deletions

diff --git a/include/unwind.h b/include/unwind.h
deleted file mode 100644
index 81fc4db55..000000000
--- a/include/unwind.h
+++ /dev/null
@@ -1,220 +0,0 @@
-/* Exception handling and frame unwind runtime interface routines.
-   Copyright (C) 2001, 2003 Free Software Foundation, Inc.
-
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-/* This is derived from the C++ ABI for IA-64.  Where we diverge
-   for cross-architecture compatibility are noted with "@@@".  */
-
-#ifndef _UNWIND_H
-#define _UNWIND_H	1
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Level 1: Base ABI  */
-
-/* @@@ The IA-64 ABI uses uint64 throughout.  Most places this is
-   inefficient for 32-bit and smaller machines.  */
-typedef unsigned _Unwind_Word __attribute__((__mode__(__word__)));
-typedef signed _Unwind_Sword __attribute__((__mode__(__word__)));
-#if defined(__ia64__) && defined(__hpux__)
-typedef unsigned _Unwind_Ptr __attribute__((__mode__(__word__)));
-#else
-typedef unsigned _Unwind_Ptr __attribute__((__mode__(__pointer__)));
-#endif
-typedef unsigned _Unwind_Internal_Ptr __attribute__((__mode__(__pointer__)));
-
-/* @@@ The IA-64 ABI uses a 64-bit word to identify the producer and
-   consumer of an exception.  We'll go along with this for now even on
-   32-bit machines.  We'll need to provide some other option for
-   16-bit machines and for machines with > 8 bits per byte.  */
-typedef unsigned _Unwind_Exception_Class __attribute__((__mode__(__DI__)));
-
-/* The unwind interface uses reason codes in several contexts to
-   identify the reasons for failures or other actions.  */
-typedef enum
-{
-  _URC_NO_REASON = 0,
-  _URC_FOREIGN_EXCEPTION_CAUGHT = 1,
-  _URC_FATAL_PHASE2_ERROR = 2,
-  _URC_FATAL_PHASE1_ERROR = 3,
-  _URC_NORMAL_STOP = 4,
-  _URC_END_OF_STACK = 5,
-  _URC_HANDLER_FOUND = 6,
-  _URC_INSTALL_CONTEXT = 7,
-  _URC_CONTINUE_UNWIND = 8
-} _Unwind_Reason_Code;
-
-
-/* The unwind interface uses a pointer to an exception header object
-   as its representation of an exception being thrown. In general, the
-   full representation of an exception object is language- and
-   implementation-specific, but it will be prefixed by a header
-   understood by the unwind interface.  */
-
-struct _Unwind_Exception;
-
-typedef void (*_Unwind_Exception_Cleanup_Fn) (_Unwind_Reason_Code,
-					      struct _Unwind_Exception *);
-
-struct _Unwind_Exception
-{
-  _Unwind_Exception_Class exception_class;
-  _Unwind_Exception_Cleanup_Fn exception_cleanup;
-  _Unwind_Word private_1;
-  _Unwind_Word private_2;
-
-  /* @@@ The IA-64 ABI says that this structure must be double-word aligned.
-     Taking that literally does not make much sense generically.  Instead we
-     provide the maximum alignment required by any type for the machine.  */
-} __attribute__((__aligned__));
-
-
-/* The ACTIONS argument to the personality routine is a bitwise OR of one
-   or more of the following constants.  */
-typedef int _Unwind_Action;
-
-#define _UA_SEARCH_PHASE	1
-#define _UA_CLEANUP_PHASE	2
-#define _UA_HANDLER_FRAME	4
-#define _UA_FORCE_UNWIND	8
-#define _UA_END_OF_STACK	16
-
-/* This is an opaque type used to refer to a system-specific data
-   structure used by the system unwinder. This context is created and
-   destroyed by the system, and passed to the personality routine
-   during unwinding.  */
-struct _Unwind_Context;
-
-/* Raise an exception, passing along the given exception object.  */
-extern _Unwind_Reason_Code _Unwind_RaiseException (struct _Unwind_Exception *);
-
-/* Raise an exception for forced unwinding.  */
-
-typedef _Unwind_Reason_Code (*_Unwind_Stop_Fn)
-     (int, _Unwind_Action, _Unwind_Exception_Class,
-      struct _Unwind_Exception *, struct _Unwind_Context *, void *);
-
-extern _Unwind_Reason_Code _Unwind_ForcedUnwind (struct _Unwind_Exception *,
-						 _Unwind_Stop_Fn,
-						 void *);
-
-/* Helper to invoke the exception_cleanup routine.  */
-extern void _Unwind_DeleteException (struct _Unwind_Exception *);
-
-/* Resume propagation of an existing exception.  This is used after
-   e.g. executing cleanup code, and not to implement rethrowing.  */
-extern void _Unwind_Resume (struct _Unwind_Exception *);
-
-/* @@@ Use unwind data to perform a stack backtrace.  The trace callback
-   is called for every stack frame in the call chain, but no cleanup
-   actions are performed.  */
-typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn)
-     (struct _Unwind_Context *, void *);
-
-extern _Unwind_Reason_Code _Unwind_Backtrace (_Unwind_Trace_Fn, void *);
-
-/* These functions are used for communicating information about the unwind
-   context (i.e. the unwind descriptors and the user register state) between
-   the unwind library and the personality routine and landing pad.  Only
-   selected registers maybe manipulated.  */
-
-extern _Unwind_Word _Unwind_GetGR (struct _Unwind_Context *, int);
-extern void _Unwind_SetGR (struct _Unwind_Context *, int, _Unwind_Word);
-
-extern _Unwind_Ptr _Unwind_GetIP (struct _Unwind_Context *);
-extern void _Unwind_SetIP (struct _Unwind_Context *, _Unwind_Ptr);
-
-/* @@@ Retrieve the CFA of the given context.  */
-extern _Unwind_Word _Unwind_GetCFA (struct _Unwind_Context *);
-
-extern void *_Unwind_GetLanguageSpecificData (struct _Unwind_Context *);
-
-extern _Unwind_Ptr _Unwind_GetRegionStart (struct _Unwind_Context *);
-
-
-/* The personality routine is the function in the C++ (or other language)
-   runtime library which serves as an interface between the system unwind
-   library and language-specific exception handling semantics.  It is
-   specific to the code fragment described by an unwind info block, and
-   it is always referenced via the pointer in the unwind info block, and
-   hence it has no ABI-specified name.
-
-   Note that this implies that two different C++ implementations can
-   use different names, and have different contents in the language
-   specific data area.  Moreover, that the language specific data
-   area contains no version info because name of the function invoked
-   provides more effective versioning by detecting at link time the
-   lack of code to handle the different data format.  */
-
-typedef _Unwind_Reason_Code (*_Unwind_Personality_Fn)
-     (int, _Unwind_Action, _Unwind_Exception_Class,
-      struct _Unwind_Exception *, struct _Unwind_Context *);
-
-/* @@@ The following alternate entry points are for setjmp/longjmp
-   based unwinding.  */
-
-struct SjLj_Function_Context;
-extern void _Unwind_SjLj_Register (struct SjLj_Function_Context *);
-extern void _Unwind_SjLj_Unregister (struct SjLj_Function_Context *);
-
-extern _Unwind_Reason_Code _Unwind_SjLj_RaiseException
-     (struct _Unwind_Exception *);
-extern _Unwind_Reason_Code _Unwind_SjLj_ForcedUnwind
-     (struct _Unwind_Exception *, _Unwind_Stop_Fn, void *);
-extern void _Unwind_SjLj_Resume (struct _Unwind_Exception *);
-
-/* @@@ The following provide access to the base addresses for text
-   and data-relative addressing in the LDSA.  In order to stay link
-   compatible with the standard ABI for IA-64, we inline these.  */
-
-#ifdef __ia64__
-#include <stdlib.h>
-
-static inline _Unwind_Ptr
-_Unwind_GetDataRelBase (struct _Unwind_Context *_C)
-{
-  /* The GP is stored in R1.  */
-  return _Unwind_GetGR (_C, 1);
-}
-
-static inline _Unwind_Ptr
-_Unwind_GetTextRelBase (struct _Unwind_Context *_C)
-{
-  abort ();
-  return 0;
-}
-
-/* @@@ Retrieve the Backing Store Pointer of the given context.  */
-extern _Unwind_Word _Unwind_GetBSP (struct _Unwind_Context *);
-#else
-extern _Unwind_Ptr _Unwind_GetDataRelBase (struct _Unwind_Context *);
-extern _Unwind_Ptr _Unwind_GetTextRelBase (struct _Unwind_Context *);
-#endif
-
-/* @@@ Given an address, return the entry point of the function that
-   contains it.  */
-extern void * _Unwind_FindEnclosingFunction (void *pc);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif	/* unwind.h */