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/* Target-dependent code for GNU/Linux Super-H.
Copyright (C) 2005, 2007, 2008, 2009, 2010 Free Software Foundation, 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 3 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, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "osabi.h"
#include "solib-svr4.h"
#include "symtab.h"
#include "glibc-tdep.h"
#include "sh-tdep.h"
#define REGSx16(base) \
{(base), 0}, \
{(base) + 1, 4}, \
{(base) + 2, 8}, \
{(base) + 3, 12}, \
{(base) + 4, 16}, \
{(base) + 5, 20}, \
{(base) + 6, 24}, \
{(base) + 7, 28}, \
{(base) + 8, 32}, \
{(base) + 9, 36}, \
{(base) + 10, 40}, \
{(base) + 11, 44}, \
{(base) + 12, 48}, \
{(base) + 13, 52}, \
{(base) + 14, 56}, \
{(base) + 15, 60}
/* Describe the contents of the .reg section of the core file. */
static const struct sh_corefile_regmap gregs_table[] =
{
REGSx16 (R0_REGNUM),
{PC_REGNUM, 64},
{PR_REGNUM, 68},
{SR_REGNUM, 72},
{GBR_REGNUM, 76},
{MACH_REGNUM, 80},
{MACL_REGNUM, 84},
{-1 /* Terminator. */, 0}
};
/* Describe the contents of the .reg2 section of the core file. */
static const struct sh_corefile_regmap fpregs_table[] =
{
REGSx16 (FR0_REGNUM),
/* REGSx16 xfp_regs omitted. */
{FPSCR_REGNUM, 128},
{FPUL_REGNUM, 132},
{-1 /* Terminator. */, 0}
};
static void
sh_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
/* GNU/Linux uses SVR4-style shared libraries. */
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
/* Core files are supported for 32-bit SH only, at present. */
if (info.bfd_arch_info->mach != bfd_mach_sh5)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->core_gregmap = (struct sh_corefile_regmap *)gregs_table;
tdep->core_fpregmap = (struct sh_corefile_regmap *)fpregs_table;
}
}
/* Provide a prototype to silence -Wmissing-prototypes. */
extern void _initialize_sh_linux_tdep (void);
void
_initialize_sh_linux_tdep (void)
{
gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_LINUX, sh_linux_init_abi);
}
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