| OLD | NEW |
| 1 /* Target-dependent code for DICOS running on i386's, for GDB. | 1 /* Target-dependent code for DICOS running on i386's, for GDB. |
| 2 | 2 |
| 3 Copyright (C) 2008-2012 Free Software Foundation, Inc. | 3 Copyright (C) 2008-2012 Free Software Foundation, Inc. |
| 4 | 4 |
| 5 This file is part of GDB. | 5 This file is part of GDB. |
| 6 | 6 |
| 7 This program is free software; you can redistribute it and/or modify | 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 | 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 | 9 the Free Software Foundation; either version 3 of the License, or |
| 10 (at your option) any later version. | 10 (at your option) any later version. |
| 11 | 11 |
| 12 This program is distributed in the hope that it will be useful, | 12 This program is distributed in the hope that it will be useful, |
| 13 but WITHOUT ANY WARRANTY; without even the implied warranty of | 13 but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 GNU General Public License for more details. | 15 GNU General Public License for more details. |
| 16 | 16 |
| 17 You should have received a copy of the GNU General Public License | 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/>. */ | 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | 19 |
| 20 #include "defs.h" | 20 #include "defs.h" |
| 21 #include "osabi.h" | 21 #include "osabi.h" |
| 22 #include "gdb_string.h" | 22 #include "gdb_string.h" |
| 23 #include "dicos-tdep.h" | 23 #include "dicos-tdep.h" |
| 24 | 24 |
| 25 static CORE_ADDR | |
| 26 i386_dicos_push_dummy_code (struct gdbarch *gdbarch, | |
| 27 CORE_ADDR sp, CORE_ADDR funaddr, | |
| 28 struct value **args, int nargs, | |
| 29 struct type *value_type, | |
| 30 CORE_ADDR *real_pc, CORE_ADDR *bp_addr, | |
| 31 struct regcache *regcache) | |
| 32 { | |
| 33 int bplen; | |
| 34 CORE_ADDR bppc = sp; | |
| 35 | |
| 36 gdbarch_breakpoint_from_pc (gdbarch, &bppc, &bplen); | |
| 37 *bp_addr = sp - bplen; | |
| 38 *real_pc = funaddr; | |
| 39 | |
| 40 return *bp_addr; | |
| 41 } | |
| 42 | |
| 43 static void | 25 static void |
| 44 i386_dicos_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) | 26 i386_dicos_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) |
| 45 { | 27 { |
| 46 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | 28 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
| 47 | 29 |
| 48 dicos_init_abi (gdbarch); | 30 dicos_init_abi (gdbarch); |
| 49 | |
| 50 set_gdbarch_push_dummy_code (gdbarch, i386_dicos_push_dummy_code); | |
| 51 } | 31 } |
| 52 | 32 |
| 53 static enum gdb_osabi | 33 static enum gdb_osabi |
| 54 i386_dicos_osabi_sniffer (bfd *abfd) | 34 i386_dicos_osabi_sniffer (bfd *abfd) |
| 55 { | 35 { |
| 56 char *target_name = bfd_get_target (abfd); | 36 char *target_name = bfd_get_target (abfd); |
| 57 | 37 |
| 58 /* On x86-DICOS, the Load Module's "header" section is 36 bytes. */ | 38 /* On x86-DICOS, the Load Module's "header" section is 36 bytes. */ |
| 59 if (strcmp (target_name, "elf32-i386") == 0 | 39 if (strcmp (target_name, "elf32-i386") == 0 |
| 60 && dicos_load_module_p (abfd, 36)) | 40 && dicos_load_module_p (abfd, 36)) |
| 61 return GDB_OSABI_DICOS; | 41 return GDB_OSABI_DICOS; |
| 62 | 42 |
| 63 return GDB_OSABI_UNKNOWN; | 43 return GDB_OSABI_UNKNOWN; |
| 64 } | 44 } |
| 65 | 45 |
| 66 /* Provide a prototype to silence -Wmissing-prototypes. */ | 46 /* Provide a prototype to silence -Wmissing-prototypes. */ |
| 67 void _initialize_i386_dicos_tdep (void); | 47 void _initialize_i386_dicos_tdep (void); |
| 68 | 48 |
| 69 void | 49 void |
| 70 _initialize_i386_dicos_tdep (void) | 50 _initialize_i386_dicos_tdep (void) |
| 71 { | 51 { |
| 72 gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour, | 52 gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour, |
| 73 i386_dicos_osabi_sniffer); | 53 i386_dicos_osabi_sniffer); |
| 74 | 54 |
| 75 gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_DICOS, | 55 gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_DICOS, |
| 76 i386_dicos_init_abi); | 56 i386_dicos_init_abi); |
| 77 } | 57 } |
| OLD | NEW |