projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 66e810cd RE |
1 | /* Target-specific functions for ARM running under NetBSD. |
| 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 "arm-tdep.h" | |
| 24 | ||
| 9df628e0 RE |
25 | /* Description of the longjmp buffer. */ |
| 26 | #define JB_PC 24 | |
| 27 | #define JB_ELEMENT_SIZE INT_REGISTER_RAW_SIZE | |
| 28 | ||
| 66e810cd RE |
29 | /* For compatibility with previous implemenations of GDB on arm/NetBSD, |
| 30 | override the default little-endian breakpoint. */ | |
| 31 | static const char arm_nbsd_arm_le_breakpoint[] = {0x11, 0x00, 0x00, 0xe6}; | |
| 32 | ||
| 41d39a95 RE |
33 | static int |
| 34 | arm_netbsd_aout_in_solib_call_trampoline (CORE_ADDR pc, char *name) | |
| 35 | { | |
| 36 | if (strcmp (name, "_PROCEDURE_LINKAGE_TABLE_") == 0) | |
| 37 | return 1; | |
| 38 | ||
| 39 | return 0; | |
| 40 | } | |
| 41 | ||
| 66e810cd RE |
42 | static void |
| 43 | arm_netbsd_init_abi_common (struct gdbarch_info info, | |
| 44 | struct gdbarch *gdbarch) | |
| 45 | { | |
| 46 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
| 47 | ||
| 48 | tdep->lowest_pc = 0x8000; | |
| 49 | tdep->arm_breakpoint = arm_nbsd_arm_le_breakpoint; | |
| 50 | tdep->arm_breakpoint_size = sizeof (arm_nbsd_arm_le_breakpoint); | |
| 9df628e0 RE |
51 | |
| 52 | tdep->jb_pc = JB_PC; | |
| 53 | tdep->jb_elt_size = JB_ELEMENT_SIZE; | |
| 66e810cd RE |
54 | } |
| 55 | ||
| 56 | static void | |
| 57 | arm_netbsd_aout_init_abi (struct gdbarch_info info, | |
| 58 | struct gdbarch *gdbarch) | |
| 59 | { | |
| 60 | arm_netbsd_init_abi_common (info, gdbarch); | |
| 41d39a95 RE |
61 | |
| 62 | set_gdbarch_in_solib_call_trampoline | |
| 63 | (gdbarch, arm_netbsd_aout_in_solib_call_trampoline); | |
| 66e810cd RE |
64 | } |
| 65 | ||
| 66 | static void | |
| 67 | arm_netbsd_elf_init_abi (struct gdbarch_info info, | |
| 68 | struct gdbarch *gdbarch) | |
| 69 | { | |
| 70 | arm_netbsd_init_abi_common (info, gdbarch); | |
| 71 | } | |
| 72 | ||
| 73 | void | |
| 74 | _initialize_arm_netbsd_tdep (void) | |
| 75 | { | |
| 76 | arm_gdbarch_register_os_abi (ARM_ABI_NETBSD_AOUT, arm_netbsd_aout_init_abi); | |
| 77 | arm_gdbarch_register_os_abi (ARM_ABI_NETBSD_ELF, arm_netbsd_elf_init_abi); | |
| 78 | } |