2005-11-24 Bryce McKinlay <mckinlay@redhat.com>

	* sysdep/ia64-frame.h: Removed.
	* sysdep/ia64.c: Removed.
	* sysdep/dwarf2-backtrace.cc: Removed.
	* configure.ac: Remove references to HAVE_BACKTRACE and
	SUPPLY_BACKTRACE.
	* Makefile.am: Remove SUPPLY_BACKTRACE support.
	* configure: Rebuilt.
	* Makefile.in: Rebuilt.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107486 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 0 insertions, 449 deletions

diff --git a/libjava/sysdep/dwarf2-backtrace.cc b/libjava/sysdep/dwarf2-backtrace.cc
deleted file mode 100644
index 550aa5bdd35..00000000000
--- a/libjava/sysdep/dwarf2-backtrace.cc
+++ /dev/null
@@ -1,86 +0,0 @@
-/* dwarf2-backtrac.cc - backtrace implementation driven by the dwarf2
- exception unwinder.  */
-
-/* Copyright (C) 2003  Free Software Foundation
-
-   This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
-details.  */
-
-/* Written by David Daney <ddaney@avtrex.com> */
-
-/*
-  Although this in theory could be 'C' instead of C++, saying that it
-  is C++ and including jvm.h makes it easier to insure that the proper
-  compiler options are used.  There must be unwind tables for
-  backtrace because it is on the stack when _Unwind_Backtrace is
-  called.  Compiling as C++ insures this.
-
-*/
-
-#include <config.h>
-
-#include <unwind.h>
-
-#include <jvm.h>
-
-
-extern "C"
-{
-  int backtrace (void **, int);
-}
-
-struct backtrace_state
-{
-  int skip_count;
-  int current_level;
-  int max_level;
-  void **locations;
-};
-
-static _Unwind_Reason_Code
-my_trace_fn (struct _Unwind_Context *uc, void *arg)
-{
-
-  struct backtrace_state *bs = (struct backtrace_state *) arg;
-
-  if (bs->skip_count)
-    {
-      bs->skip_count--;
-      return _URC_NO_REASON;
-    }
-
-  _Unwind_Ptr loc = _Unwind_GetIP (uc);
-
-  if (bs->current_level < bs->max_level)
-    bs->locations[bs->current_level++] = (void *) loc;
-
-  if (bs->current_level >= bs->max_level)
-    return _URC_END_OF_STACK;
-  else
-    return _URC_NO_REASON;
-}
-
-/*
- * backtrace is defined in (some versions of) libc.  This definition
- * must match so that it can replace the libc version at link time.
- *
- * Fill the locations array with at most len back trace locations.
- *
- * Returns the number of locations actually filled in.
- *
- */
-int
-backtrace (void **locations, int len)
-{
-  struct backtrace_state bs;
-  bs.skip_count = 1;		/* Don't log the call to backtrace itself. */
-  bs.current_level = 0;
-  bs.max_level = len;
-  bs.locations = locations;
-
-  _Unwind_Backtrace (my_trace_fn, &bs);
-  return bs.current_level;
-}
diff --git a/libjava/sysdep/ia64-frame.h b/libjava/sysdep/ia64-frame.h
deleted file mode 100644
index 752e57e508c..00000000000
--- a/libjava/sysdep/ia64-frame.h
+++ /dev/null
@@ -1,282 +0,0 @@
-/* Header file for unwinding stack frames for exception handling.  */
-/* Compile this one with gcc.  */
-/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
-   Contributed by Jason Merrill <jason@cygnus.com>.
-
-This file is part of GNU CC.
-
-GNU CC 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.
-
-GNU CC 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 GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.  */
-
-
-/* Number of hardware registers known to the compiler.  
-   We have 128 general registers, 128 floating point registers, 64 predicate
-   registers, 8 branch registers, and one frame pointer register.  */
-
-/* ??? Should add ar.lc, ar.ec and probably also ar.pfs.  */
-
-#define FIRST_PSEUDO_REGISTER 330
-
-#ifndef DWARF_FRAME_REGISTERS
-#define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER
-#endif
-
-typedef struct frame_state
-{
-  void *cfa;
-  void *eh_ptr;
-  long cfa_offset;
-  long args_size;
-  long reg_or_offset[DWARF_FRAME_REGISTERS+1];
-  unsigned short cfa_reg;
-  unsigned short retaddr_column;
-  char saved[DWARF_FRAME_REGISTERS+1];
-} frame_state;
-
-/* Values for 'saved' above.  */
-#define REG_UNSAVED 0
-#define REG_SAVED_OFFSET 1
-#define REG_SAVED_REG 2
-
-/* The representation for an "object" to be searched for frame unwind info.
-   For targets with named sections, one object is an executable or shared
-   library; for other targets, one object is one translation unit.
-
-   A copy of this structure declaration is printed by collect2.c;
-   keep the copies synchronized!  */
-
-struct object {
-#ifdef IA64_UNWIND_INFO
-  void *pc_base;        /* This field will be set by __do_frame_setup. */
-#endif
-  void *pc_begin;
-  void *pc_end;
-  struct dwarf_fde *fde_begin;
-  struct dwarf_fde **fde_array;
-  size_t count;
-  struct object *next;
-};
-
-/* Called from __throw to find the registers to restore for a given
-   PC_TARGET.  The caller should allocate a local variable of `struct
-   frame_state' (declared in frame.h) and pass its address to STATE_IN.
-   Returns NULL on failure, otherwise returns STATE_IN.  */
-
-extern struct frame_state *__frame_state_for (void *, struct frame_state *);
-
-#ifdef IA64_UNWIND_INFO
-
-/* This is the information required for unwind records in an ia64
-   object file. This is required by GAS and the compiler runtime. */
-
-/* These are the starting point masks for the various types of
-   unwind records. To create a record of type R3 for instance, one
-   starts by using the value UNW_R3 and or-ing in any other required values. 
-   These values are also unique (in context), so they can be used to identify 
-   the various record types as well. UNW_Bx and some UNW_Px do have the
-   same value, but Px can only occur in a prologue context, and Bx in
-   a body context.  */
-
-#define UNW_R1	0x00
-#define UNW_R2	0x40
-#define UNW_R3	0x60
-#define UNW_P1	0x80
-#define UNW_P2	0xA0
-#define UNW_P3	0xB0
-#define UNW_P4	0xB8
-#define UNW_P5	0xB9
-#define UNW_P6	0xC0
-#define UNW_P7	0xE0
-#define UNW_P8	0xF0
-#define UNW_P9	0xF1
-#define UNW_P10	0xFF
-#define UNW_X1	0xF9
-#define UNW_X2	0xFA
-#define UNW_X3	0xFB
-#define UNW_X4	0xFC
-#define UNW_B1	0x80
-#define UNW_B2	0xC0
-#define UNW_B3	0xE0
-#define UNW_B4	0xF0
-
-/* These are all the various types of unwind records.  */
-
-typedef enum
-{
-  prologue, prologue_gr, body, mem_stack_f, mem_stack_v, psp_gr, psp_sprel,
-  rp_when, rp_gr, rp_br, rp_psprel, rp_sprel, pfs_when, pfs_gr, pfs_psprel,
-  pfs_sprel, preds_when, preds_gr, preds_psprel, preds_sprel,
-  fr_mem, frgr_mem, gr_gr, gr_mem, br_mem, br_gr, spill_base, spill_mask,
-  unat_when, unat_gr, unat_psprel, unat_sprel, lc_when, lc_gr, lc_psprel,
-  lc_sprel, fpsr_when, fpsr_gr, fpsr_psprel, fpsr_sprel, 
-  priunat_when_gr, priunat_when_mem, priunat_gr, priunat_psprel, 
-  priunat_sprel, bsp_when, bsp_gr, bsp_psprel, bsp_sprel, bspstore_when,
-  bspstore_gr, bspstore_psprel, bspstore_sprel, rnat_when, rnat_gr,
-  rnat_psprel, rnat_sprel, epilogue, label_state, copy_state,
-  spill_psprel, spill_sprel, spill_reg, spill_psprel_p, spill_sprel_p,
-  spill_reg_p
-} unw_record_type;
-
-
-/* These structures declare the fields that can be used in each of the 
-   4 record formats, R, P, B and X.  */
-
-typedef struct unw_r_record
-{
-  unsigned long rlen;
-  unsigned short mask;
-  unsigned short grsave;
-} unw_r_record;
-
-typedef struct unw_p_record
-{
-  void *imask;
-  unsigned long t;
-  unsigned long size;
-  unsigned long spoff;
-  unsigned long br;
-  unsigned long pspoff;
-  unsigned short gr;
-  unsigned short rmask;
-  unsigned short grmask;
-  unsigned long frmask;
-  unsigned short brmask;
-} unw_p_record;
-
-typedef struct unw_b_record
-{
-  unsigned long t;
-  unsigned long label;
-  unsigned short ecount;
-} unw_b_record;
-
-typedef struct unw_x_record
-{
-  unsigned long t;
-  unsigned long spoff;
-  unsigned long pspoff;
-  unsigned short reg;
-  unsigned short treg;
-  unsigned short qp;
-  unsigned short xy;   /* Value of the XY field..  */
-} unw_x_record;
-
-/* This structure is used to determine the specific record type and 
-   its fields.  */
-typedef struct unwind_record
-{
-  unw_record_type type;
-  union {
-    unw_r_record r;
-    unw_p_record p;
-    unw_b_record b;
-    unw_x_record x;
-  } record;
-} unwind_record;
-
-/* This structure represents the start of an unwind information pointer.  
-   'unwind_descriptors' is the beginninng of the unwind descriptors, which
-   use up 'length' bytes of storage.  */
-
-typedef struct unwind_info_ptr 
-{
-  unsigned short version;
-  unsigned short flags;
-  unsigned int length;
-  unsigned char unwind_descriptors[1];
-} unwind_info_ptr;
-
-
-#define IA64_UNW_LOC_TYPE_NONE		0
-#define IA64_UNW_LOC_TYPE_MEM		1
-#define IA64_UNW_LOC_TYPE_GR		2
-#define IA64_UNW_LOC_TYPE_FR		3
-#define IA64_UNW_LOC_TYPE_BR		4
-#define IA64_UNW_LOC_TYPE_SPOFF		5
-#define IA64_UNW_LOC_TYPE_PSPOFF	6
-#define IA64_UNW_LOC_TYPE_OFFSET	7
-#define IA64_UNW_LOC_TYPE_SPILLBASE	8
-
-typedef struct ia64_reg_loc 
-{
-  long when;		/* PC relative offset from start of function. */
-  union {		/* In memory or another register?  */
-    void *mem;
-    int regno;
-    int offset;
-  } l;
-  short loc_type;	/* Where to find value.  */
-  short reg_size;
-} ia64_reg_loc;
-
-/* Frame information record.  */
-
-typedef struct ia64_frame_state
-{
-  ia64_reg_loc gr[4];	/* gr4 to  gr7.  */
-  ia64_reg_loc fr[20];	/* fr2 to fr5, fr16 to fr31.  */
-  ia64_reg_loc br[5];	/* br1 to  br5.  */
-  ia64_reg_loc rp;
-  ia64_reg_loc fpsr;
-  ia64_reg_loc bsp;
-  ia64_reg_loc bspstore;
-  ia64_reg_loc rnat;
-  ia64_reg_loc pfs;
-  ia64_reg_loc unat;
-  ia64_reg_loc lc;
-  ia64_reg_loc pr;
-  ia64_reg_loc priunat;
-  ia64_reg_loc sp;
-  ia64_reg_loc psp;
-  ia64_reg_loc spill_base;
-  void *my_sp;
-  void *my_bsp;
-} ia64_frame_state;
-
-
-extern unwind_info_ptr *build_ia64_frame_state (unsigned char *, ia64_frame_state *, 
-						void *, void *);
-extern void *get_real_reg_value (ia64_reg_loc *);
-extern void *get_personality (unwind_info_ptr *);
-extern void *get_except_table (unwind_info_ptr *);
-extern void set_real_reg_value (ia64_reg_loc *, void *);
-void *calc_caller_bsp (long, unsigned char *);
-
-#endif   /* IA64_UNWIND_INFO  */
-
-/* Note the following routines are exported interfaces from libgcc; do not
-   change these interfaces.  Instead create new interfaces.  Also note
-   references to these functions may be made weak in files where they
-   are referenced.  */
-
-extern void __register_frame (void * );
-extern void __register_frame_table (void *);
-extern void __deregister_frame (void *);
-
-/* Called either from crtbegin.o or a static constructor to register the
-   unwind info for an object or translation unit, respectively.  */
-
-extern void __register_frame_info (void *, struct object *);
-
-/* Similar, but BEGIN is actually a pointer to a table of unwind entries
-   for different translation units.  Called from the file generated by
-   collect2.  */
-extern void __register_frame_info_table (void *, struct object *);
-
-/* Called from crtend.o to deregister the unwind info for an object.  */
-
-extern void *__deregister_frame_info (void *);
-
-
diff --git a/libjava/sysdep/ia64.c b/libjava/sysdep/ia64.c
deleted file mode 100644
index 4d21d00f65a..00000000000
--- a/libjava/sysdep/ia64.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/* Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC 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.
-
-GNU CC 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 GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.  */
-
-/* As a special exception, if you link this library with other files,
-   some of which are compiled with GCC, to produce an executable,
-   this library does not by itself cause the resulting executable
-   to be covered by the GNU General Public License.
-   This exception does not however invalidate any other reasons why
-   the executable file might be covered by the GNU General Public License.  */
-
-#include <stddef.h>
-#include <memory.h>
-
-#define IA64_UNWIND_INFO
-#include "ia64-frame.h"
-
-static int 
-ia64_backtrace_helper (void **array, void *throw_pc, 
-		       ia64_frame_state *throw_frame,
-		       ia64_frame_state *frame, void *bsp, int size)
-{
-  void *pc = NULL;
-  int frame_count = 0;
-  unwind_info_ptr *info;
-
-  asm volatile ("flushrs");  /*  Make the local register stacks available.  */
-    
-  /* Start at our stack frame, get our state.  */
-  info = build_ia64_frame_state (throw_pc, throw_frame, bsp, NULL);
-
-  memcpy (frame, throw_frame, sizeof (*frame));
-
-  while (info && frame_count < size)
-    {
-      pc = array[frame_count++] = get_real_reg_value (&frame->rp);
-      --pc;
-      bsp = calc_caller_bsp 
-	((long)get_real_reg_value (&frame->pfs), frame->my_bsp);
-      info = build_ia64_frame_state (pc, frame, bsp, NULL);
-      if (frame->rp.loc_type == IA64_UNW_LOC_TYPE_NONE) /* We've finished. */
-	break;
-    }
-
-  return frame_count;
-}
-  
-int
-_Jv_ia64_backtrace (void **array, int size)
-{
-  ia64_frame_state my_frame;
-  ia64_frame_state originator;	/* For the context handler is in.  */
-  void *bsp;
- 
-  /* Do any necessary initialization to access arbitrary stack frames.
-     This forces gcc to save memory in our stack frame for saved
-     registers. */
-  __builtin_unwind_init ();
-
-label_ia64:
-  bsp = __builtin_ia64_bsp ();
-  
-  return ia64_backtrace_helper (array, &&label_ia64, &my_frame, 
-				&originator, bsp, size);
-}