1 /* Target-dependent code for Newlib ARC.
3 Copyright (C) 2016-2018 Free Software Foundation, Inc.
4 Contributed by Synopsys Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 /* Implement the 'init_osabi' method of struct gdb_osabi_handler. */
30 arc_newlib_init_osabi (struct gdbarch_info info
, struct gdbarch
*gdbarch
)
33 debug_printf ("arc-newlib: Initialization.\n");
35 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
37 /* Offset of original PC in longjmp jump buffer (in registers). Value of PC
38 offset can be found in newlib/libc/machine/arc/setjmp.S. */
42 /* Recognize ARC Newlib object files. */
45 arc_newlib_osabi_sniffer (bfd
*abfd
)
48 debug_printf ("arc-newlib: OS/ABI sniffer.\n");
50 /* crt0.S in libgloss for ARC defines .ivt section for interrupt handlers.
51 If this section is not present then this is likely not a newlib - could be
52 a Linux application or some non-newlib baremetal application. */
53 if (bfd_get_section_by_name (abfd
, ".ivt") != NULL
)
54 return GDB_OSABI_NEWLIB
;
56 return GDB_OSABI_UNKNOWN
;
60 _initialize_arc_newlib_tdep (void)
62 gdbarch_register_osabi_sniffer (bfd_arch_arc
, bfd_target_elf_flavour
,
63 arc_newlib_osabi_sniffer
);
64 gdbarch_register_osabi (bfd_arch_arc
, 0, GDB_OSABI_NEWLIB
,
65 arc_newlib_init_osabi
);
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