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authorUlrich Drepper <drepper@redhat.com>2003-07-22 23:56:53 +0000
committerUlrich Drepper <drepper@redhat.com>2003-07-22 23:56:53 +0000
commit9d79e0377b08773ec4f7ec38479b1563606f7ef7 (patch)
tree31dbc1c0fdb8abb00c75da24a048028225b32c21 /sysdeps/generic
parent0e9d624072fd24ee7d113bcf9325e8fb21d2cf60 (diff)
downloadglibc-9d79e0377b08773ec4f7ec38479b1563606f7ef7.tar.gz
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glibc-9d79e0377b08773ec4f7ec38479b1563606f7ef7.zip
Update.
	* include/stdio.h (__libc_fatal): Add libc_hidden_proto.
	* include/dlfcn.h (__libc_dlopen_mode, __libc_dlsym, __libc_dlclose):
	Likewise.
	* elf/dl-libc.c (__libc_dlopen_mode, __libc_dlsym, __libc_dlclose):
	Add libc_hidden_def.
	* sysdeps/generic/libc_fatal.c (__libc_fatal): Likewise.
	* sysdeps/posix/libc_fatal.c (__libc_fatal): Likewise.
	* sysdeps/unix/sysv/linux/libc_fatal.c (__libc_fatal): Likewise.
	* elf/Versions (libc): Export __libc_dlopen_mode@@GLIBC_PRIVATE,
	__libc_dlsym@@GLIBC_PRIVATE and __libc_dlclose@@GLIBC_PRIVATE.
	* libio/Versions (libc): Export __libc_fatal@@GLIBC_PRIVATE.
	* sysdeps/generic/unwind-dw2.c: Readd #ifs removed during last
	change.
	* sysdeps/generic/unwind.inc: Removed.
Diffstat (limited to 'sysdeps/generic')
-rw-r--r--sysdeps/generic/libc_fatal.c3
-rw-r--r--sysdeps/generic/unwind-dw2.c9
-rw-r--r--sysdeps/generic/unwind.inc309
3 files changed, 9 insertions, 312 deletions
diff --git a/sysdeps/generic/libc_fatal.c b/sysdeps/generic/libc_fatal.c
index a6632391e5..be23849829 100644
--- a/sysdeps/generic/libc_fatal.c
+++ b/sysdeps/generic/libc_fatal.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1995, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1995, 1997, 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
@@ -28,3 +28,4 @@ __libc_fatal (message)
 
   abort ();
 }
+libc_hidden_def (__libc_fatal)
diff --git a/sysdeps/generic/unwind-dw2.c b/sysdeps/generic/unwind-dw2.c
index 89f9d59f23..2e013cb2e1 100644
--- a/sysdeps/generic/unwind-dw2.c
+++ b/sysdeps/generic/unwind-dw2.c
@@ -72,8 +72,10 @@ struct _Unwind_Context
   _Unwind_Word args_size;
 };
 
+#ifndef _LIBC
 /* Byte size of every register managed by these routines.  */
 static unsigned char dwarf_reg_size_table[DWARF_FRAME_REGISTERS];
+#endif
 
 
 /* The result of interpreting the frame unwind info for a frame.
@@ -321,7 +323,7 @@ extract_cie_info (struct dwarf_cie *cie, struct _Unwind_Context *context,
   return ret ? ret : p;
 }
 
-
+#ifndef _LIBC
 /* Decode a DW_OP stack program.  Return the top of stack.  Push INITIAL
    onto the stack to start.  */
 
@@ -721,7 +723,7 @@ execute_stack_op (const unsigned char *op_ptr, const unsigned char *op_end,
     abort ();
   return stack[stack_elt];
 }
-
+#endif
 
 /* Decode DWARF 2 call frame information. Takes pointers the
    instruction sequence to decode, current register information and
@@ -1059,6 +1061,8 @@ __frame_state_for (void *pc_target, struct frame_state *state_in)
   return state_in;
 }
 
+#ifndef _LIBC
+
 static void
 uw_update_context_1 (struct _Unwind_Context *context, _Unwind_FrameState *fs)
 {
@@ -1282,4 +1286,5 @@ uw_identify_context (struct _Unwind_Context *context)
 
 #include "unwind.inc"
 
+#endif /* _LIBC */
 #endif /* !USING_SJLJ_EXCEPTIONS */
diff --git a/sysdeps/generic/unwind.inc b/sysdeps/generic/unwind.inc
deleted file mode 100644
index 7ec65e903b..0000000000
--- a/sysdeps/generic/unwind.inc
+++ /dev/null
@@ -1,309 +0,0 @@
-/* Exception handling and frame unwind runtime interface routines. -*- C -*-
-   Copyright (C) 2001 Free Software Foundation, Inc.
-
-   This file is part of GCC.
-
-   GCC is free software; you can redistribute it and/or modify it
-   under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
-
-   GCC 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 General Public
-   License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with GCC; see the file COPYING.  If not, write to the Free
-   Software Foundation, 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 "@@@".
-   This file is included from unwind-dw2.c or unwind-ia64.c.  */
-
-/* Subroutine of _Unwind_RaiseException also invoked from _Unwind_Resume.
-
-   Unwind the stack calling the personality routine to find both the
-   exception handler and intermediary cleanup code.  We'll only locate
-   the first such frame here.  Cleanup code will call back into
-   _Unwind_Resume and we'll continue Phase 2 there.  */
-
-static _Unwind_Reason_Code
-_Unwind_RaiseException_Phase2(struct _Unwind_Exception *exc,
-			      struct _Unwind_Context *context)
-{
-  _Unwind_Reason_Code code;
-
-  while (1)
-    {
-      _Unwind_FrameState fs;
-      int match_handler;
-
-      code = uw_frame_state_for (context, &fs);
-
-      /* Identify when we've reached the designated handler context.  */
-      match_handler = (uw_identify_context (context) == exc->private_2
-		       ? _UA_HANDLER_FRAME : 0);
-
-      if (code != _URC_NO_REASON)
-	/* Some error encountered.  Usually the unwinder doesn't
-	   diagnose these and merely crashes.  */
-	return _URC_FATAL_PHASE2_ERROR;
-
-      /* Unwind successful.  Run the personality routine, if any.  */
-      if (fs.personality)
-	{
-	  code = (*fs.personality) (1, _UA_CLEANUP_PHASE | match_handler,
-				    exc->exception_class, exc, context);
-	  if (code == _URC_INSTALL_CONTEXT)
-	    break;
-	  if (code != _URC_CONTINUE_UNWIND)
-	    return _URC_FATAL_PHASE2_ERROR;
-	}
-
-      /* Don't let us unwind past the handler context.  */
-      if (match_handler)
-	abort ();
-
-      uw_update_context (context, &fs);
-    }
-
-  return code;
-}
-
-/* Raise an exception, passing along the given exception object.  */
-#ifndef _LIBC
-_Unwind_Reason_Code
-_Unwind_RaiseException(struct _Unwind_Exception *exc)
-{
-  struct _Unwind_Context this_context, cur_context;
-  _Unwind_Reason_Code code;
-
-  /* Set up this_context to describe the current stack frame.  */
-  uw_init_context (&this_context);
-  cur_context = this_context;
-
-  /* Phase 1: Search.  Unwind the stack, calling the personality routine
-     with the _UA_SEARCH_PHASE flag set.  Do not modify the stack yet.  */
-  while (1)
-    {
-      _Unwind_FrameState fs;
-
-      /* Set up fs to describe the FDE for the caller of cur_context.  The
-	 first time through the loop, that means __cxa_throw.  */
-      code = uw_frame_state_for (&cur_context, &fs);
-
-      if (code == _URC_END_OF_STACK)
-	/* Hit end of stack with no handler found.  */
-	return _URC_END_OF_STACK;
-
-      if (code != _URC_NO_REASON)
-	/* Some error encountered.  Ususally the unwinder doesn't
-	   diagnose these and merely crashes.  */
-	return _URC_FATAL_PHASE1_ERROR;
-
-      /* Unwind successful.  Run the personality routine, if any.  */
-      if (fs.personality)
-	{
-	  code = (*fs.personality) (1, _UA_SEARCH_PHASE, exc->exception_class,
-				    exc, &cur_context);
-	  if (code == _URC_HANDLER_FOUND)
-	    break;
-	  else if (code != _URC_CONTINUE_UNWIND)
-	    return _URC_FATAL_PHASE1_ERROR;
-	}
-
-      /* Update cur_context to describe the same frame as fs.  */
-      uw_update_context (&cur_context, &fs);
-    }
-
-  /* Indicate to _Unwind_Resume and associated subroutines that this
-     is not a forced unwind.  Further, note where we found a handler.  */
-  exc->private_1 = 0;
-  exc->private_2 = uw_identify_context (&cur_context);
-
-  cur_context = this_context;
-  code = _Unwind_RaiseException_Phase2 (exc, &cur_context);
-  if (code != _URC_INSTALL_CONTEXT)
-    return code;
-
-  uw_install_context (&this_context, &cur_context);
-}
-#endif
-
-
-/* Subroutine of _Unwind_ForcedUnwind also invoked from _Unwind_Resume.  */
-
-static _Unwind_Reason_Code
-_Unwind_ForcedUnwind_Phase2(struct _Unwind_Exception *exc,
-			    struct _Unwind_Context *context)
-{
-  _Unwind_Stop_Fn stop = (_Unwind_Stop_Fn) (_Unwind_Ptr) exc->private_1;
-  void *stop_argument = (void *) (_Unwind_Ptr) exc->private_2;
-  _Unwind_Reason_Code code, stop_code;
-
-  while (1)
-    {
-      _Unwind_FrameState fs;
-      int action;
-
-      /* Set up fs to describe the FDE for the caller of cur_context.  */
-      code = uw_frame_state_for (context, &fs);
-      if (code != _URC_NO_REASON && code != _URC_END_OF_STACK)
-	return _URC_FATAL_PHASE2_ERROR;
-
-      /* Unwind successful.  */
-      action = _UA_FORCE_UNWIND | _UA_CLEANUP_PHASE;
-      if (code == _URC_END_OF_STACK)
-	action |= _UA_END_OF_STACK;
-      stop_code = (*stop) (1, action, exc->exception_class, exc,
-			   context, stop_argument);
-      if (stop_code != _URC_NO_REASON)
-	return _URC_FATAL_PHASE2_ERROR;
-
-      /* Stop didn't want to do anything.  Invoke the personality
-	 handler, if applicable, to run cleanups.  */
-      if (code == _URC_END_OF_STACK)
-	break;
-
-      if (fs.personality)
-	{
-	  code = (*fs.personality) (1, _UA_FORCE_UNWIND | _UA_CLEANUP_PHASE,
-				    exc->exception_class, exc, context);
-	  if (code == _URC_INSTALL_CONTEXT)
-	    break;
-	  if (code != _URC_CONTINUE_UNWIND)
-	    return _URC_FATAL_PHASE2_ERROR;
-	}
-
-      /* Update cur_context to describe the same frame as fs.  */
-      uw_update_context (context, &fs);
-    }
-
-  return code;
-}
-
-
-/* Raise an exception for forced unwinding.  */
-#ifndef _LIBC
-_Unwind_Reason_Code
-_Unwind_ForcedUnwind (struct _Unwind_Exception *exc,
-		      _Unwind_Stop_Fn stop, void * stop_argument)
-{
-  struct _Unwind_Context this_context, cur_context;
-  _Unwind_Reason_Code code;
-
-  uw_init_context (&this_context);
-  cur_context = this_context;
-
-  exc->private_1 = (_Unwind_Ptr) stop;
-  exc->private_2 = (_Unwind_Ptr) stop_argument;
-
-  code = _Unwind_ForcedUnwind_Phase2 (exc, &cur_context);
-  if (code != _URC_INSTALL_CONTEXT)
-    return code;
-
-  uw_install_context (&this_context, &cur_context);
-}
-#endif
-
-
-/* Resume propagation of an existing exception.  This is used after
-   e.g. executing cleanup code, and not to implement rethrowing.  */
-
-void
-_Unwind_Resume (struct _Unwind_Exception *exc)
-{
-  struct _Unwind_Context this_context, cur_context;
-  _Unwind_Reason_Code code;
-
-  uw_init_context (&this_context);
-  cur_context = this_context;
-
-  /* Choose between continuing to process _Unwind_RaiseException
-     or _Unwind_ForcedUnwind.  */
-  if (exc->private_1 == 0)
-    code = _Unwind_RaiseException_Phase2 (exc, &cur_context);
-  else
-    code = _Unwind_ForcedUnwind_Phase2 (exc, &cur_context);
-
-  if (code != _URC_INSTALL_CONTEXT)
-    abort ();
-
-  uw_install_context (&this_context, &cur_context);
-}
-
-
-/* Resume propagation of an FORCE_UNWIND exception, or to rethrow
-   a normal exception that was handled.  */
-#ifndef _LIBC
-_Unwind_Reason_Code
-_Unwind_Resume_or_Rethrow (struct _Unwind_Exception *exc)
-{
-  struct _Unwind_Context this_context, cur_context;
-  _Unwind_Reason_Code code;
-
-  /* Choose between continuing to process _Unwind_RaiseException
-     or _Unwind_ForcedUnwind.  */
-  if (exc->private_1 == 0)
-    return _Unwind_RaiseException (exc);
-
-  uw_init_context (&this_context);
-  cur_context = this_context;
-
-  code = _Unwind_ForcedUnwind_Phase2 (exc, &cur_context);
-
-  if (code != _URC_INSTALL_CONTEXT)
-    abort ();
-
-  uw_install_context (&this_context, &cur_context);
-}
-#endif
-
-
-/* A convenience function that calls the exception_cleanup field.  */
-#ifndef _LIBC
-void
-_Unwind_DeleteException (struct _Unwind_Exception *exc)
-{
-  if (exc->exception_cleanup)
-    (*exc->exception_cleanup) (_URC_FOREIGN_EXCEPTION_CAUGHT, exc);
-}
-#endif
-
-
-/* Perform stack backtrace through unwind data.  */
-#ifndef _LIBC
-_Unwind_Reason_Code
-_Unwind_Backtrace(_Unwind_Trace_Fn trace, void * trace_argument)
-{
-  struct _Unwind_Context context;
-  _Unwind_Reason_Code code;
-
-  uw_init_context (&context);
-
-  while (1)
-    {
-      _Unwind_FrameState fs;
-
-      /* Set up fs to describe the FDE for the caller of context.  */
-      code = uw_frame_state_for (&context, &fs);
-      if (code != _URC_NO_REASON && code != _URC_END_OF_STACK)
-	return _URC_FATAL_PHASE1_ERROR;
-
-      /* Call trace function.  */
-      if ((*trace) (&context, trace_argument) != _URC_NO_REASON)
-	return _URC_FATAL_PHASE1_ERROR;
-
-      /* We're done at end of stack.  */
-      if (code == _URC_END_OF_STACK)
-	break;
-
-      /* Update context to describe the same frame as fs.  */
-      uw_update_context (&context, &fs);
-    }
-
-  return code;
-}
-#endif