1 /* Target-dependent code for Solaris x86.
2 Copyright 2002 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
24 #include "i386-tdep.h"
27 i386_sol2_pc_in_sigtramp (CORE_ADDR pc
, char *name
)
29 /* Signal handler frames under Solaris 2 are recognized by a return
30 address of 0xffffffff. */
31 return (pc
== 0xffffffff);
37 i386_sol2_init_abi (struct gdbarch_info info
, struct gdbarch
*gdbarch
)
39 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
41 /* Solaris is SVR4-based. */
42 i386_svr4_init_abi (info
, gdbarch
);
44 /* Signal trampolines are different from SVR4, in fact they're
45 rather similar to BSD. */
46 set_gdbarch_pc_in_sigtramp (gdbarch
, i386_sol2_pc_in_sigtramp
);
47 tdep
->sigcontext_addr
= i386bsd_sigcontext_addr
;
48 tdep
->sc_pc_offset
= 36 + 14 * 4;
49 tdep
->sc_sp_offset
= 36 + 17 * 4;
51 /* Assume that the prototype flag can be trusted. */
52 set_gdbarch_coerce_float_to_double (gdbarch
,
53 standard_coerce_float_to_double
);
58 i386_sol2_osabi_sniffer (bfd
*abfd
)
60 /* If we have a section named .SUNW_version, then it is almost
61 certainly Solaris 2. */
62 if (bfd_get_section_by_name (abfd
, ".SUNW_version"))
63 return GDB_OSABI_SOLARIS
;
65 return GDB_OSABI_UNKNOWN
;
68 /* Provide a prototype to silence -Wmissing-prototypes. */
69 void _initialize_i386_sol2_tdep (void);
72 _initialize_i386_sol2_tdep (void)
74 /* Register and ELF OS ABI sniffer for Solaris 2 binaries. */
75 gdbarch_register_osabi_sniffer (bfd_arch_i386
, bfd_target_elf_flavour
,
76 i386_sol2_osabi_sniffer
);
78 gdbarch_register_osabi (bfd_arch_i386
, GDB_OSABI_SOLARIS
,