/* Target-dependent code for Solaris x86. Copyright 2002 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 "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; /* Assume that the prototype flag can be trusted. */ set_gdbarch_coerce_float_to_double (gdbarch, standard_coerce_float_to_double); } 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, GDB_OSABI_SOLARIS, i386_sol2_init_abi); }