| /* Target-dependent code for Solaris x86. |
| Copyright 2002, 2003 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include "defs.h" |
| #include "value.h" |
| #include "osabi.h" |
| |
| #include "i386-tdep.h" |
| |
| static int |
| i386_sol2_pc_in_sigtramp (CORE_ADDR pc, char *name) |
| { |
| /* Signal handler frames under Solaris 2 are recognized by a return |
| address of 0xffffffff. */ |
| return (pc == 0xffffffff); |
| } |
| |
| /* Solaris 2. */ |
| |
| static void |
| i386_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) |
| { |
| struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
| |
| /* Solaris is SVR4-based. */ |
| i386_svr4_init_abi (info, gdbarch); |
| |
| /* Signal trampolines are different from SVR4, in fact they're |
| rather similar to BSD. */ |
| set_gdbarch_pc_in_sigtramp (gdbarch, i386_sol2_pc_in_sigtramp); |
| tdep->sigcontext_addr = i386bsd_sigcontext_addr; |
| tdep->sc_pc_offset = 36 + 14 * 4; |
| tdep->sc_sp_offset = 36 + 17 * 4; |
| } |
| |
| |
| static enum gdb_osabi |
| i386_sol2_osabi_sniffer (bfd *abfd) |
| { |
| /* If we have a section named .SUNW_version, then it is almost |
| certainly Solaris 2. */ |
| if (bfd_get_section_by_name (abfd, ".SUNW_version")) |
| return GDB_OSABI_SOLARIS; |
| |
| return GDB_OSABI_UNKNOWN; |
| } |
| |
| /* Provide a prototype to silence -Wmissing-prototypes. */ |
| void _initialize_i386_sol2_tdep (void); |
| |
| void |
| _initialize_i386_sol2_tdep (void) |
| { |
| /* Register an ELF OS ABI sniffer for Solaris 2 binaries. */ |
| gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour, |
| i386_sol2_osabi_sniffer); |
| |
| gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_SOLARIS, |
| i386_sol2_init_abi); |
| } |