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-rw-r--r--gdb/mips-irix-tdep.c95
1 files changed, 0 insertions, 95 deletions
diff --git a/gdb/mips-irix-tdep.c b/gdb/mips-irix-tdep.c
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--- a/gdb/mips-irix-tdep.c
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-/* Target-dependent code for the MIPS architecture running on IRIX,
- for GDB, the GNU Debugger.
-
- Copyright (C) 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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
-
-#include "defs.h"
-#include "osabi.h"
-
-#include "elf-bfd.h"
-
-static void
-mips_irix_elf_osabi_sniff_abi_tag_sections (bfd *abfd, asection *sect,
- void *obj)
-{
- enum gdb_osabi *os_ident_ptr = obj;
- const char *name;
- unsigned int sectsize;
-
- name = bfd_get_section_name (abfd, sect);
- sectsize = bfd_section_size (abfd, sect);
-
- if (strncmp (name, ".MIPS.", 6) == 0 && sectsize > 0)
- {
- /* The presence of a section named with a ".MIPS." prefix is
- indicative of an IRIX binary. */
- *os_ident_ptr = GDB_OSABI_IRIX;
- }
-}
-
-static enum gdb_osabi
-mips_irix_elf_osabi_sniffer (bfd *abfd)
-{
- unsigned int elfosabi;
- enum gdb_osabi osabi = GDB_OSABI_UNKNOWN;
-
- /* If the generic sniffer gets a hit, return and let other sniffers
- get a crack at it. */
- bfd_map_over_sections (abfd,
- generic_elf_osabi_sniff_abi_tag_sections,
- &osabi);
- if (osabi != GDB_OSABI_UNKNOWN)
- return GDB_OSABI_UNKNOWN;
-
- elfosabi = elf_elfheader (abfd)->e_ident[EI_OSABI];
-
- if (elfosabi == ELFOSABI_NONE)
- {
- /* When elfosabi is ELFOSABI_NONE (0), then the ELF structures in the
- file are conforming to the base specification for that machine
- (there are no OS-specific extensions). In order to determine the
- real OS in use we must look for OS notes that have been added.
-
- For IRIX, we simply look for sections named with .MIPS. as
- prefixes. */
- bfd_map_over_sections (abfd,
- mips_irix_elf_osabi_sniff_abi_tag_sections,
- &osabi);
- }
- return osabi;
-}
-
-static void
-mips_irix_init_abi (struct gdbarch_info info,
- struct gdbarch *gdbarch)
-{
-}
-
-void
-_initialize_mips_irix_tdep (void)
-{
- /* Register an ELF OS ABI sniffer for IRIX binaries. */
- gdbarch_register_osabi_sniffer (bfd_arch_mips,
- bfd_target_elf_flavour,
- mips_irix_elf_osabi_sniffer);
-
- gdbarch_register_osabi (bfd_arch_mips, 0, GDB_OSABI_IRIX,
- mips_irix_init_abi);
-}