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