1 /* Target-dependent code for DICOS running on i386's, for GDB.
3 Copyright (C) 2008 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
22 #include "gdb_string.h"
24 #include "solib-target.h"
27 i386_dicos_init_abi (struct gdbarch_info info
, struct gdbarch
*gdbarch
)
29 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
31 set_solib_ops (gdbarch
, &solib_target_so_ops
);
34 /* Look in the elf symbol table of ABFD for a symbol named WANTED.
35 Return true if found. */
37 i386_dicos_bfd_has_symbol_p (bfd
*abfd
, const char *wanted
)
41 asymbol
**symbol_table
= NULL
;
43 storage_needed
= bfd_get_symtab_upper_bound (abfd
);
44 if (storage_needed
< 0)
46 warning (_("Can't read elf symbols from %s: %s"), bfd_get_filename (abfd
),
47 bfd_errmsg (bfd_get_error ()));
51 if (storage_needed
> 0)
55 symbol_table
= xmalloc (storage_needed
);
56 symcount
= bfd_canonicalize_symtab (abfd
, symbol_table
);
59 warning (_("Can't read elf symbols from %s: %s"),
60 bfd_get_filename (abfd
),
61 bfd_errmsg (bfd_get_error ()));
64 for (i
= 0; i
< symcount
; i
++)
66 asymbol
*sym
= symbol_table
[i
];
68 && wanted
[0] == sym
->name
[0]
69 && strcmp (wanted
+ 1, sym
->name
+ 1) == 0)
83 i386_dicos_osabi_sniffer (bfd
*abfd
)
85 char *target_name
= bfd_get_target (abfd
);
87 /* DICOS debug info files don't have a .note.ABI-tag marker or
88 something similar. We do know there's always a "header" section
89 of 36 bytes, and there's always a "Dicos_loadModuleInfo" symbol
90 defined. Look for the section first, as that should be
92 if (strcmp (target_name
, "elf32-i386") == 0)
94 asection
*section
= bfd_get_section_by_name (abfd
, "header");
96 && bfd_section_size (abfd
, section
) == 36
97 && i386_dicos_bfd_has_symbol_p (abfd
, "Dicos_loadModuleInfo"))
98 return GDB_OSABI_DICOS
;
101 return GDB_OSABI_UNKNOWN
;
104 /* Provide a prototype to silence -Wmissing-prototypes. */
105 void _initialize_i386_dicos_tdep (void);
108 _initialize_i386_dicos_tdep (void)
110 gdbarch_register_osabi_sniffer (bfd_arch_i386
, bfd_target_elf_flavour
,
111 i386_dicos_osabi_sniffer
);
113 gdbarch_register_osabi (bfd_arch_i386
, 0, GDB_OSABI_DICOS
,
114 i386_dicos_init_abi
);
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