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1 /* ARM Symbian OS target support. | 1 /* ARM Symbian OS target support. |
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. |
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22 #include "objfiles.h" | 22 #include "objfiles.h" |
23 #include "osabi.h" | 23 #include "osabi.h" |
24 #include "solib.h" | 24 #include "solib.h" |
25 #include "solib-target.h" | 25 #include "solib-target.h" |
26 #include "target.h" | 26 #include "target.h" |
27 #include "elf-bfd.h" | 27 #include "elf-bfd.h" |
28 | 28 |
29 /* If PC is in a DLL import stub, return the address of the `real' | 29 /* If PC is in a DLL import stub, return the address of the `real' |
30 function belonging to the stub. */ | 30 function belonging to the stub. */ |
31 | 31 |
32 CORE_ADDR | 32 static CORE_ADDR |
33 arm_symbian_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc) | 33 arm_symbian_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc) |
34 { | 34 { |
35 struct gdbarch *gdbarch; | 35 struct gdbarch *gdbarch; |
36 enum bfd_endian byte_order; | 36 enum bfd_endian byte_order; |
37 ULONGEST insn; | 37 ULONGEST insn; |
38 CORE_ADDR dest; | 38 CORE_ADDR dest; |
39 gdb_byte buf[4]; | 39 gdb_byte buf[4]; |
40 | 40 |
41 if (!in_plt_section (pc, NULL)) | 41 if (!in_plt_section (pc, NULL)) |
42 return 0; | 42 return 0; |
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82 set_gdbarch_has_dos_based_file_system (gdbarch, 1); | 82 set_gdbarch_has_dos_based_file_system (gdbarch, 1); |
83 | 83 |
84 set_solib_ops (gdbarch, &solib_target_so_ops); | 84 set_solib_ops (gdbarch, &solib_target_so_ops); |
85 } | 85 } |
86 | 86 |
87 /* Recognize Symbian object files. */ | 87 /* Recognize Symbian object files. */ |
88 | 88 |
89 static enum gdb_osabi | 89 static enum gdb_osabi |
90 arm_symbian_osabi_sniffer (bfd *abfd) | 90 arm_symbian_osabi_sniffer (bfd *abfd) |
91 { | 91 { |
92 Elf_Internal_Phdr *phdrs, **segments; | 92 Elf_Internal_Phdr *phdrs; |
93 long phdrs_size; | 93 long phdrs_size; |
94 int num_phdrs, i; | 94 int num_phdrs, i; |
95 | 95 |
96 /* Symbian executables are always shared objects (ET_DYN). */ | 96 /* Symbian executables are always shared objects (ET_DYN). */ |
97 if (elf_elfheader (abfd)->e_type == ET_EXEC) | 97 if (elf_elfheader (abfd)->e_type == ET_EXEC) |
98 return GDB_OSABI_UNKNOWN; | 98 return GDB_OSABI_UNKNOWN; |
99 | 99 |
100 if (elf_elfheader (abfd)->e_ident[EI_OSABI] != ELFOSABI_NONE) | 100 if (elf_elfheader (abfd)->e_ident[EI_OSABI] != ELFOSABI_NONE) |
101 return GDB_OSABI_UNKNOWN; | 101 return GDB_OSABI_UNKNOWN; |
102 | 102 |
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114 return GDB_OSABI_UNKNOWN; | 114 return GDB_OSABI_UNKNOWN; |
115 | 115 |
116 for (i = 0; i < num_phdrs; i++) | 116 for (i = 0; i < num_phdrs; i++) |
117 if (phdrs[i].p_type == PT_LOAD && phdrs[i].p_offset == 0) | 117 if (phdrs[i].p_type == PT_LOAD && phdrs[i].p_offset == 0) |
118 return GDB_OSABI_UNKNOWN; | 118 return GDB_OSABI_UNKNOWN; |
119 | 119 |
120 /* Looks like a Symbian binary. */ | 120 /* Looks like a Symbian binary. */ |
121 return GDB_OSABI_SYMBIAN; | 121 return GDB_OSABI_SYMBIAN; |
122 } | 122 } |
123 | 123 |
| 124 /* -Wmissing-prototypes */ |
| 125 extern initialize_file_ftype _initialize_arm_symbian_tdep; |
| 126 |
124 void | 127 void |
125 _initialize_arm_symbian_tdep (void) | 128 _initialize_arm_symbian_tdep (void) |
126 { | 129 { |
127 gdbarch_register_osabi_sniffer (bfd_arch_arm, | 130 gdbarch_register_osabi_sniffer (bfd_arch_arm, |
128 bfd_target_elf_flavour, | 131 bfd_target_elf_flavour, |
129 arm_symbian_osabi_sniffer); | 132 arm_symbian_osabi_sniffer); |
130 | 133 |
131 gdbarch_register_osabi (bfd_arch_arm, 0, GDB_OSABI_SYMBIAN, | 134 gdbarch_register_osabi (bfd_arch_arm, 0, GDB_OSABI_SYMBIAN, |
132 arm_symbian_init_abi); | 135 arm_symbian_init_abi); |
133 } | 136 } |
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