old-cross-binutils/gdb/nbsd-tdep.c
Jason Thorpe 3d9b49b090 * Makefile.in (mipsnbsd-tdep.o): Add nbsd-tdep.h to dependency
list.
(nbsd-tdep.o): Add $(gdb_string_h) to dependency list.
* alphanbsd-tdep.c (alphanbsd_pc_in_sigtramp): Use
nbsd_pc_in_sigtramp.
* mipsnbsd-tdep.c: Include nbsd-tdep.h.
(mipsnbsd_pc_in_sigtramp): Use nbsd_pc_in_sigtramp.
* nbsd-tdep.c: Include gdb_string.h.
(nbsd_pc_in_sigtramp): New function.
* nbsd-tdep.h (nbsd_pc_in_sigtramp): New prototype.
* ppcnbsd-tdep.c (ppcnbsd_pc_in_sigtramp): New function.
(ppcnbsd_init_abi): Set gdbarch_pc_in_sigtramp to
ppcnbsd_pc_in_sigtramp.
* shnbsd-tdep.c (shnbsd_pc_in_sigtramp): New function.
(shnbsd_init_abi): Set gdbarch_pc_in_sigtramp to
shnbsd_pc_in_sigtramp.
* sparcnbsd-tdep.c (sparcnbsd_init_abi_elf): Set
gdbarch_pc_in_sigtramp to nbsd_pc_in_sigtramp.
* config/mips/nbsd.mt (TDEPFILES): Add nbsd-tdep.o.
2002-08-31 20:28:37 +00:00

109 lines
2.7 KiB
C

/* Common target-dependent code for NetBSD systems.
Copyright 2002 Free Software Foundation, Inc.
Contributed by Wasabi Systems, Inc.
This file is part of GDB.
This program 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 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "gdb_string.h"
#include "solib-svr4.h"
/* Fetch (and possibly build) an appropriate link_map_offsets
structure for NetBSD targets using the struct offsets defined
in <link.h> (but without actual reference to that file).
This makes it possible to access NetBSD shared libraries from a
GDB that was not built on the same platform (for cross debugging).
We provide versions for ILP32 and LP64 NetBSD targets here. */
struct link_map_offsets *
nbsd_ilp32_solib_svr4_fetch_link_map_offsets (void)
{
static struct link_map_offsets lmo;
static struct link_map_offsets *lmp = NULL;
if (lmp == NULL)
{
lmp = &lmo;
lmo.r_debug_size = 16;
lmo.r_map_offset = 4;
lmo.r_map_size = 4;
lmo.link_map_size = 20;
lmo.l_addr_offset = 0;
lmo.l_addr_size = 4;
lmo.l_name_offset = 4;
lmo.l_name_size = 4;
lmo.l_next_offset = 12;
lmo.l_next_size = 4;
lmo.l_prev_offset = 16;
lmo.l_prev_size = 4;
}
return lmp;
}
struct link_map_offsets *
nbsd_lp64_solib_svr4_fetch_link_map_offsets (void)
{
static struct link_map_offsets lmo;
static struct link_map_offsets *lmp = NULL;
if (lmp == NULL)
{
lmp = &lmo;
lmo.r_debug_size = 32;
lmo.r_map_offset = 8;
lmo.r_map_size = 8;
lmo.link_map_size = 40;
lmo.l_addr_offset = 0;
lmo.l_addr_size = 8;
lmo.l_name_offset = 8;
lmo.l_name_size = 8;
lmo.l_next_offset = 24;
lmo.l_next_size = 8;
lmo.l_prev_offset = 32;
lmo.l_prev_size = 8;
}
return lmp;
}
int
nbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
{
/* Check for libc-provided signal trampoline. All such trampolines
have function names which begin with "__sigtramp". */
return (func_name != NULL
&& strncmp (func_name, "__sigtramp", 10) == 0);
}