diff options
Diffstat (limited to 'contrib/gdb/gdb/armnbsd-tdep.c')
-rw-r--r-- | contrib/gdb/gdb/armnbsd-tdep.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/contrib/gdb/gdb/armnbsd-tdep.c b/contrib/gdb/gdb/armnbsd-tdep.c new file mode 100644 index 0000000..7f6e639 --- /dev/null +++ b/contrib/gdb/gdb/armnbsd-tdep.c @@ -0,0 +1,85 @@ +/* Target-specific functions for ARM running under NetBSD. + 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 "arm-tdep.h" + +/* Description of the longjmp buffer. */ +#define JB_PC 24 +#define JB_ELEMENT_SIZE INT_REGISTER_RAW_SIZE + +/* For compatibility with previous implemenations of GDB on arm/NetBSD, + override the default little-endian breakpoint. */ +static const char arm_nbsd_arm_le_breakpoint[] = {0x11, 0x00, 0x00, 0xe6}; + +static int +arm_netbsd_aout_in_solib_call_trampoline (CORE_ADDR pc, char *name) +{ + if (strcmp (name, "_PROCEDURE_LINKAGE_TABLE_") == 0) + return 1; + + return 0; +} + +static void +arm_netbsd_init_abi_common (struct gdbarch_info info, + struct gdbarch *gdbarch) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + tdep->lowest_pc = 0x8000; + tdep->arm_breakpoint = arm_nbsd_arm_le_breakpoint; + tdep->arm_breakpoint_size = sizeof (arm_nbsd_arm_le_breakpoint); + + tdep->jb_pc = JB_PC; + tdep->jb_elt_size = JB_ELEMENT_SIZE; +} + +static void +arm_netbsd_aout_init_abi (struct gdbarch_info info, + struct gdbarch *gdbarch) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + arm_netbsd_init_abi_common (info, gdbarch); + + set_gdbarch_in_solib_call_trampoline + (gdbarch, arm_netbsd_aout_in_solib_call_trampoline); + tdep->fp_model = ARM_FLOAT_SOFT; +} + +static void +arm_netbsd_elf_init_abi (struct gdbarch_info info, + struct gdbarch *gdbarch) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + arm_netbsd_init_abi_common (info, gdbarch); + + tdep->fp_model = ARM_FLOAT_SOFT_VFP; +} + +void +_initialize_arm_netbsd_tdep (void) +{ + arm_gdbarch_register_os_abi (ARM_ABI_NETBSD_AOUT, arm_netbsd_aout_init_abi); + arm_gdbarch_register_os_abi (ARM_ABI_NETBSD_ELF, arm_netbsd_elf_init_abi); +} |