-/* Copyright (C) 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
Contributed by Jakub Jelinek <jakub@redhat.com>.
- This file is part of GNU CC.
+ This file is part of GCC.
- GNU CC is free software; you can redistribute it and/or modify
+ 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.
- GNU CC is distributed in the hope that it will be useful,
+ 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 GNU CC; see the file COPYING. If not, write to
+ 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. */
segment and dl_iterate_phdr to avoid register/deregister calls at
DSO load/unload. */
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
#include "auto-host.h" /* For HAVE_LD_EH_FRAME_HDR. */
#include "tconfig.h"
-#include <stddef.h>
-#include <stdlib.h>
-#include <link.h>
#include "tsystem.h"
+#ifndef inhibit_libc
+#include <link.h>
+#endif
+#include "coretypes.h"
+#include "tm.h"
#include "dwarf2.h"
#include "unwind.h"
#define NO_BASE_OF_ENCODED_VALUE
#include "unwind-pe.h"
#include "unwind-dw2-fde.h"
+#include "unwind-compat.h"
#include "gthr.h"
-#if defined(HAVE_LD_EH_FRAME_HDR) \
+#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
&& (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
-static fde * _Unwind_Find_registered_FDE (void *pc, struct dwarf_eh_bases *bases);
+#ifndef __RELOC_POINTER
+# define __RELOC_POINTER(ptr, base) ((ptr) + (base))
+#endif
+
+static const fde * _Unwind_Find_registered_FDE (void *pc, struct dwarf_eh_bases *bases);
#define _Unwind_Find_FDE _Unwind_Find_registered_FDE
#include "unwind-dw2-fde.c"
void *tbase;
void *dbase;
void *func;
- fde *ret;
+ const fde *ret;
};
struct unw_eh_frame_hdr
unsigned char table_enc;
};
-/* Like base_of_encoded_value, but take the base from a struct object
- instead of an _Unwind_Context. */
-
+/* Like base_of_encoded_value, but take the base from a struct
+ unw_eh_callback_data instead of an _Unwind_Context. */
+
static _Unwind_Ptr
base_from_cb_data (unsigned char encoding, struct unw_eh_callback_data *data)
{
case DW_EH_PE_pcrel:
case DW_EH_PE_aligned:
return 0;
-
+
case DW_EH_PE_textrel:
return (_Unwind_Ptr) data->tbase;
case DW_EH_PE_datarel:
struct unw_eh_callback_data *data = (struct unw_eh_callback_data *) ptr;
const ElfW(Phdr) *phdr, *p_eh_frame_hdr, *p_dynamic;
long n, match;
+#ifdef __FRV_FDPIC__
+ struct elf32_fdpic_loadaddr load_base;
+#else
_Unwind_Ptr load_base;
+#endif
const unsigned char *p;
const struct unw_eh_frame_hdr *hdr;
_Unwind_Ptr eh_frame;
{
if (phdr->p_type == PT_LOAD)
{
- _Unwind_Ptr vaddr = phdr->p_vaddr + load_base;
+ _Unwind_Ptr vaddr = (_Unwind_Ptr)
+ __RELOC_POINTER (phdr->p_vaddr, load_base);
if (data->pc >= vaddr && data->pc < vaddr + phdr->p_memsz)
match = 1;
}
/* Read .eh_frame_hdr header. */
hdr = (const struct unw_eh_frame_hdr *)
- (p_eh_frame_hdr->p_vaddr + load_base);
+ __RELOC_POINTER (p_eh_frame_hdr->p_vaddr, load_base);
if (hdr->version != 1)
return 1;
data->dbase = NULL;
if (p_dynamic)
{
- /* For dynamicly linked executables and shared libraries,
+ /* For dynamically linked executables and shared libraries,
DT_PLTGOT is the gp value for that object. */
- ElfW(Dyn) *dyn = (ElfW(Dyn) *)(p_dynamic->p_vaddr + load_base);
+ ElfW(Dyn) *dyn = (ElfW(Dyn) *)
+ __RELOC_POINTER (p_dynamic->p_vaddr, load_base);
for (; dyn->d_tag != DT_NULL ; dyn++)
if (dyn->d_tag == DT_PLTGOT)
{
break;
}
}
+# elif defined __FRV_FDPIC__ && defined __linux__
+ data->dbase = load_base.got_value;
# else
# error What is DW_EH_PE_datarel base on this platform?
# endif
#endif
-#ifdef CRT_GET_RFIB_TEXT
-# error What is DW_EH_PE_textrel base on this platform?
-#endif
p = read_encoded_value_with_base (hdr->eh_frame_ptr_enc,
base_from_cb_data (hdr->eh_frame_ptr_enc,
return 1;
}
-fde *
+const fde *
_Unwind_Find_FDE (void *pc, struct dwarf_eh_bases *bases)
{
struct unw_eh_callback_data data;
- fde *ret;
+ const fde *ret;
ret = _Unwind_Find_registered_FDE (pc, bases);
if (ret != NULL)
#define _Unwind_Find_FDE _Unwind_Find_FDE
#include "unwind-dw2-fde.c"
#endif
+
+#if defined (USE_GAS_SYMVER) && defined (SHARED) && defined (USE_LIBUNWIND_EXCEPTIONS)
+alias (_Unwind_Find_FDE);
+#endif
OSDN Git Service
