diff options
Diffstat (limited to 'gdb/i386-gnu-tdep.c')
-rw-r--r-- | gdb/i386-gnu-tdep.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/gdb/i386-gnu-tdep.c b/gdb/i386-gnu-tdep.c new file mode 100644 index 0000000..acf772f --- /dev/null +++ b/gdb/i386-gnu-tdep.c @@ -0,0 +1,71 @@ +/* Target-dependent code for the GNU Hurd. + Copyright (C) 2002-2016 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 3 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, see <http://www.gnu.org/licenses/>. */ + +#include "defs.h" +#include "osabi.h" +#include "solib-svr4.h" + +#include "i386-tdep.h" + +/* From <sys/ucontext.h>. */ +static int i386gnu_gregset_reg_offset[] = +{ + 11 * 4, /* %eax */ + 10 * 4, /* %ecx */ + 9 * 4, /* %edx */ + 8 * 4, /* %ebx */ + 17 * 4, /* %uesp */ + 6 * 4, /* %ebp */ + 5 * 4, /* %esi */ + 4 * 4, /* %edi */ + 14 * 4, /* %eip */ + 16 * 4, /* %efl */ + 15 * 4, /* %cs */ + 18 * 4, /* %ss */ + 3 * 4, /* %ds */ + 2 * 4, /* %es */ + 1 * 4, /* %fs */ + 0 * 4, /* %gs */ +}; + +static void +i386gnu_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + /* GNU uses ELF. */ + i386_elf_init_abi (info, gdbarch); + + set_solib_svr4_fetch_link_map_offsets + (gdbarch, svr4_ilp32_fetch_link_map_offsets); + + tdep->gregset_reg_offset = i386gnu_gregset_reg_offset; + tdep->gregset_num_regs = ARRAY_SIZE (i386gnu_gregset_reg_offset); + tdep->sizeof_gregset = 19 * 4; + + tdep->jb_pc_offset = 20; /* From <bits/setjmp.h>. */ +} + +/* Provide a prototype to silence -Wmissing-prototypes. */ +extern void _initialize_i386gnu_tdep (void); + +void +_initialize_i386gnu_tdep (void) +{ + gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_HURD, i386gnu_init_abi); +} |