mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-12-05 02:47:05 +00:00
1d34db4151
* i386-sol2-tdep.c (i386_sol2_init_abi): Correct value for tdep->sc_sp_offset.
81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/* 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 and 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);
|
||
}
|