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1181 |
sfurman |
/* Target-dependent code for Solaris x86.
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Copyright 2002 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "value.h"
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#include "i386-tdep.h"
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static int
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i386_sol2_pc_in_sigtramp (CORE_ADDR pc, char *name)
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{
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/* Signal handler frames under Solaris 2 are recognized by a return
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address of 0xffffffff. */
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return (pc == 0xffffffff);
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}
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/* Solaris 2. */
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static void
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i386_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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/* Solaris is SVR4-based. */
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i386_svr4_init_abi (info, gdbarch);
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/* Signal trampolines are different from SVR4, in fact they're
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rather similar to BSD. */
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set_gdbarch_pc_in_sigtramp (gdbarch, i386_sol2_pc_in_sigtramp);
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tdep->sigcontext_addr = i386bsd_sigcontext_addr;
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tdep->sc_pc_offset = 36 + 14 * 4;
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tdep->sc_sp_offset = 36 + 17 * 4;
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/* Assume that the prototype flag can be trusted. */
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set_gdbarch_coerce_float_to_double (gdbarch,
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standard_coerce_float_to_double);
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}
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static enum gdb_osabi
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i386_sol2_osabi_sniffer (bfd *abfd)
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{
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/* If we have a section named .SUNW_version, then it is almost
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certainly Solaris 2. */
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if (bfd_get_section_by_name (abfd, ".SUNW_version"))
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return GDB_OSABI_SOLARIS;
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return GDB_OSABI_UNKNOWN;
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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void _initialize_i386_sol2_tdep (void);
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void
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_initialize_i386_sol2_tdep (void)
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{
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/* Register an ELF OS ABI sniffer for Solaris 2 binaries. */
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gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour,
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i386_sol2_osabi_sniffer);
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gdbarch_register_osabi (bfd_arch_i386, GDB_OSABI_SOLARIS,
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i386_sol2_init_abi);
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}
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