projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 8201327c MK |
1 | /* Target-dependent code for Solaris x86. |
| 2 | Copyright 2002 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of GDB. | |
| 5 | ||
| 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. | |
| 10 | ||
| 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. | |
| 15 | ||
| 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. */ | |
| 20 | ||
| 21 | #include "defs.h" | |
| 22 | ||
| 23 | #include "i386-tdep.h" | |
| 24 | ||
| 25 | static int | |
| 26 | i386_sol2_pc_in_sigtramp (CORE_ADDR pc, char *name) | |
| 27 | { | |
| 28 | /* Signal handler frames under Solaris 2 are recognized by a return | |
| 29 | address of 0xffffffff. */ | |
| 30 | return (pc == 0xffffffff); | |
| 31 | } | |
| 32 | ||
| 33 | /* Solaris 2. */ | |
| 34 | ||
| 35 | static void | |
| 36 | i386_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) | |
| 37 | { | |
| 38 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
| 39 | ||
| 40 | /* Solaris is SVR4-based. */ | |
| 41 | i386_svr4_init_abi (info, gdbarch); | |
| 42 | ||
| 43 | /* Signal trampolines are different from SVR4, in fact they're | |
| 44 | rather similar to BSD. */ | |
| 45 | set_gdbarch_pc_in_sigtramp (gdbarch, i386_sol2_pc_in_sigtramp); | |
| 46 | tdep->sigtramp_saved_pc = i386bsd_sigtramp_saved_pc; | |
| 47 | tdep->sc_pc_offset = 36 + 14 * 4; | |
| 48 | } | |
| 49 | \f | |
| 50 | ||
| 6e157172 MK |
51 | static enum gdb_osabi |
| 52 | i386_sol2_osabi_sniffer (bfd *abfd) | |
| 53 | { | |
| 54 | /* If we have a section named .SUNW_version, then it is almost | |
| 55 | certainly Solaris 2. */ | |
| 56 | if (bfd_get_section_by_name (abfd, ".SUNW_version")) | |
| 57 | return GDB_OSABI_SOLARIS; | |
| 58 | ||
| 59 | return GDB_OSABI_UNKNOWN; | |
| 60 | } | |
| 61 | ||
| 8201327c MK |
62 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
| 63 | void _initialize_i386_sol2_tdep (void); | |
| 64 | ||
| 65 | void | |
| 66 | _initialize_i386_sol2_tdep (void) | |
| 67 | { | |
| 6e157172 MK |
68 | /* Register and ELF OS ABI sniffer for Solaris 2 binaries. */ |
| 69 | gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour, | |
| 70 | i386_sol2_osabi_sniffer); | |
| 71 | ||
| 8201327c MK |
72 | gdbarch_register_osabi (bfd_arch_i386, GDB_OSABI_SOLARIS, |
| 73 | i386_sol2_init_abi); | |
| 74 | } |