| 1 | /* Target-dependent code for GNU/Linux Super-H. |
| 2 | |
| 3 | Copyright (C) 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include "defs.h" |
| 21 | #include "osabi.h" |
| 22 | |
| 23 | #include "solib-svr4.h" |
| 24 | #include "symtab.h" |
| 25 | |
| 26 | #include "glibc-tdep.h" |
| 27 | #include "sh-tdep.h" |
| 28 | #include "linux-tdep.h" |
| 29 | |
| 30 | #define REGSx16(base) \ |
| 31 | {(base), 0}, \ |
| 32 | {(base) + 1, 4}, \ |
| 33 | {(base) + 2, 8}, \ |
| 34 | {(base) + 3, 12}, \ |
| 35 | {(base) + 4, 16}, \ |
| 36 | {(base) + 5, 20}, \ |
| 37 | {(base) + 6, 24}, \ |
| 38 | {(base) + 7, 28}, \ |
| 39 | {(base) + 8, 32}, \ |
| 40 | {(base) + 9, 36}, \ |
| 41 | {(base) + 10, 40}, \ |
| 42 | {(base) + 11, 44}, \ |
| 43 | {(base) + 12, 48}, \ |
| 44 | {(base) + 13, 52}, \ |
| 45 | {(base) + 14, 56}, \ |
| 46 | {(base) + 15, 60} |
| 47 | |
| 48 | /* Describe the contents of the .reg section of the core file. */ |
| 49 | |
| 50 | static const struct sh_corefile_regmap gregs_table[] = |
| 51 | { |
| 52 | REGSx16 (R0_REGNUM), |
| 53 | {PC_REGNUM, 64}, |
| 54 | {PR_REGNUM, 68}, |
| 55 | {SR_REGNUM, 72}, |
| 56 | {GBR_REGNUM, 76}, |
| 57 | {MACH_REGNUM, 80}, |
| 58 | {MACL_REGNUM, 84}, |
| 59 | {-1 /* Terminator. */, 0} |
| 60 | }; |
| 61 | |
| 62 | /* Describe the contents of the .reg2 section of the core file. */ |
| 63 | |
| 64 | static const struct sh_corefile_regmap fpregs_table[] = |
| 65 | { |
| 66 | REGSx16 (FR0_REGNUM), |
| 67 | /* REGSx16 xfp_regs omitted. */ |
| 68 | {FPSCR_REGNUM, 128}, |
| 69 | {FPUL_REGNUM, 132}, |
| 70 | {-1 /* Terminator. */, 0} |
| 71 | }; |
| 72 | |
| 73 | static void |
| 74 | sh_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) |
| 75 | { |
| 76 | linux_init_abi (info, gdbarch); |
| 77 | |
| 78 | /* GNU/Linux uses SVR4-style shared libraries. */ |
| 79 | set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); |
| 80 | set_solib_svr4_fetch_link_map_offsets |
| 81 | (gdbarch, svr4_ilp32_fetch_link_map_offsets); |
| 82 | set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); |
| 83 | |
| 84 | set_gdbarch_fetch_tls_load_module_address (gdbarch, |
| 85 | svr4_fetch_objfile_link_map); |
| 86 | |
| 87 | /* Core files are supported for 32-bit SH only, at present. */ |
| 88 | if (info.bfd_arch_info->mach != bfd_mach_sh5) |
| 89 | { |
| 90 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
| 91 | |
| 92 | tdep->core_gregmap = (struct sh_corefile_regmap *)gregs_table; |
| 93 | tdep->core_fpregmap = (struct sh_corefile_regmap *)fpregs_table; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
| 98 | extern void _initialize_sh_linux_tdep (void); |
| 99 | |
| 100 | void |
| 101 | _initialize_sh_linux_tdep (void) |
| 102 | { |
| 103 | gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_LINUX, sh_linux_init_abi); |
| 104 | } |