1 /* Target-dependent code for FreeBSD, architecture-independent.
3 Copyright (C) 2002-2015 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/>. */
25 #include "gdbthread.h"
28 #include "fbsd-tdep.h"
32 find_signalled_thread (struct thread_info *info, void *data)
34 if (info->suspend.stop_signal != GDB_SIGNAL_0
35 && ptid_get_pid (info->ptid) == ptid_get_pid (inferior_ptid))
41 static enum gdb_signal
42 find_stop_signal (void)
44 struct thread_info *info =
45 iterate_over_threads (find_signalled_thread, NULL);
48 return info->suspend.stop_signal;
53 struct fbsd_collect_regset_section_cb_data
55 const struct regcache *regcache;
62 fbsd_collect_regset_section_cb (const char *sect_name, int size,
63 const struct regset *regset,
64 const char *human_name, void *cb_data)
67 struct fbsd_collect_regset_section_cb_data *data
68 = (struct fbsd_collect_regset_section_cb_data *) cb_data;
70 gdb_assert (regset->collect_regset);
72 buf = (char *) xmalloc (size);
73 regset->collect_regset (regset, data->regcache, -1, buf, size);
75 /* PRSTATUS still needs to be treated specially. */
76 if (strcmp (sect_name, ".reg") == 0)
77 data->note_data = (char *) elfcore_write_prstatus
78 (data->obfd, data->note_data, data->note_size,
79 ptid_get_pid (inferior_ptid), find_stop_signal (), buf);
81 data->note_data = (char *) elfcore_write_register_note
82 (data->obfd, data->note_data, data->note_size,
83 sect_name, buf, size);
87 /* Create appropriate note sections for a corefile, returning them in
91 fbsd_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size)
93 struct regcache *regcache = get_current_regcache ();
95 Elf_Internal_Ehdr *i_ehdrp;
96 struct fbsd_collect_regset_section_cb_data data;
98 /* Put a "FreeBSD" label in the ELF header. */
99 i_ehdrp = elf_elfheader (obfd);
100 i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_FREEBSD;
102 gdb_assert (gdbarch_iterate_over_regset_sections_p (gdbarch));
104 data.regcache = regcache;
106 data.note_data = NULL;
107 data.note_size = note_size;
108 target_fetch_registers (regcache, -1);
109 gdbarch_iterate_over_regset_sections (gdbarch,
110 fbsd_collect_regset_section_cb,
112 note_data = data.note_data;
114 if (get_exec_file (0))
116 const char *fname = lbasename (get_exec_file (0));
117 char *psargs = xstrdup (fname);
119 if (get_inferior_args ())
120 psargs = reconcat (psargs, psargs, " ", get_inferior_args (),
123 note_data = elfcore_write_prpsinfo (obfd, note_data, note_size,
130 /* To be called from GDB_OSABI_FREEBSD_ELF handlers. */
133 fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
135 set_gdbarch_make_corefile_notes (gdbarch, fbsd_make_corefile_notes);