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3d9b49b090
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.
110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
/* Common target-dependent code for NetBSD systems.
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Copyright 2002 Free Software Foundation, Inc.
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Contributed by Wasabi Systems, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "gdb_string.h"
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#include "solib-svr4.h"
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/* Fetch (and possibly build) an appropriate link_map_offsets
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structure for NetBSD targets using the struct offsets defined
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in <link.h> (but without actual reference to that file).
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This makes it possible to access NetBSD shared libraries from a
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GDB that was not built on the same platform (for cross debugging).
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We provide versions for ILP32 and LP64 NetBSD targets here. */
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struct link_map_offsets *
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nbsd_ilp32_solib_svr4_fetch_link_map_offsets (void)
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{
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static struct link_map_offsets lmo;
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static struct link_map_offsets *lmp = NULL;
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if (lmp == NULL)
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{
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lmp = &lmo;
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lmo.r_debug_size = 16;
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lmo.r_map_offset = 4;
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lmo.r_map_size = 4;
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lmo.link_map_size = 20;
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lmo.l_addr_offset = 0;
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lmo.l_addr_size = 4;
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lmo.l_name_offset = 4;
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lmo.l_name_size = 4;
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lmo.l_next_offset = 12;
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lmo.l_next_size = 4;
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lmo.l_prev_offset = 16;
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lmo.l_prev_size = 4;
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}
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return lmp;
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}
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struct link_map_offsets *
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nbsd_lp64_solib_svr4_fetch_link_map_offsets (void)
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{
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static struct link_map_offsets lmo;
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static struct link_map_offsets *lmp = NULL;
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if (lmp == NULL)
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{
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lmp = &lmo;
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lmo.r_debug_size = 32;
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lmo.r_map_offset = 8;
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lmo.r_map_size = 8;
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lmo.link_map_size = 40;
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lmo.l_addr_offset = 0;
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lmo.l_addr_size = 8;
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lmo.l_name_offset = 8;
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lmo.l_name_size = 8;
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lmo.l_next_offset = 24;
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lmo.l_next_size = 8;
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lmo.l_prev_offset = 32;
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lmo.l_prev_size = 8;
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}
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return lmp;
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}
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int
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nbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
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{
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/* Check for libc-provided signal trampoline. All such trampolines
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have function names which begin with "__sigtramp". */
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return (func_name != NULL
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&& strncmp (func_name, "__sigtramp", 10) == 0);
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}
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