diff options
Diffstat (limited to 'gdb/gdbserver/linux-ppc-low.c')
-rw-r--r-- | gdb/gdbserver/linux-ppc-low.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/gdb/gdbserver/linux-ppc-low.c b/gdb/gdbserver/linux-ppc-low.c deleted file mode 100644 index 2bb0f50..0000000 --- a/gdb/gdbserver/linux-ppc-low.c +++ /dev/null @@ -1,116 +0,0 @@ -/* GNU/Linux/PowerPC specific low level interface, for the remote server for - GDB. - Copyright 1995, 1996, 1998, 1999, 2000, 2001, 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 "server.h" -#include "linux-low.h" - -#include <asm/ptrace.h> - -#define ppc_num_regs 71 - -/* Currently, don't check/send MQ. */ -static int ppc_regmap[] = - {PT_R0 * 4, PT_R1 * 4, PT_R2 * 4, PT_R3 * 4, - PT_R4 * 4, PT_R5 * 4, PT_R6 * 4, PT_R7 * 4, - PT_R8 * 4, PT_R9 * 4, PT_R10 * 4, PT_R11 * 4, - PT_R12 * 4, PT_R13 * 4, PT_R14 * 4, PT_R15 * 4, - PT_R16 * 4, PT_R17 * 4, PT_R18 * 4, PT_R19 * 4, - PT_R20 * 4, PT_R21 * 4, PT_R22 * 4, PT_R23 * 4, - PT_R24 * 4, PT_R25 * 4, PT_R26 * 4, PT_R27 * 4, - PT_R28 * 4, PT_R29 * 4, PT_R30 * 4, PT_R31 * 4, - PT_FPR0*4, PT_FPR0*4 + 8, PT_FPR0*4+16, PT_FPR0*4+24, - PT_FPR0*4+32, PT_FPR0*4+40, PT_FPR0*4+48, PT_FPR0*4+56, - PT_FPR0*4+64, PT_FPR0*4+72, PT_FPR0*4+80, PT_FPR0*4+88, - PT_FPR0*4+96, PT_FPR0*4+104, PT_FPR0*4+112, PT_FPR0*4+120, - PT_FPR0*4+128, PT_FPR0*4+136, PT_FPR0*4+144, PT_FPR0*4+152, - PT_FPR0*4+160, PT_FPR0*4+168, PT_FPR0*4+176, PT_FPR0*4+184, - PT_FPR0*4+192, PT_FPR0*4+200, PT_FPR0*4+208, PT_FPR0*4+216, - PT_FPR0*4+224, PT_FPR0*4+232, PT_FPR0*4+240, PT_FPR0*4+248, - PT_NIP * 4, PT_MSR * 4, PT_CCR * 4, PT_LNK * 4, - PT_CTR * 4, PT_XER * 4, PT_FPSCR * 4, }; - -static int -ppc_cannot_store_register (int regno) -{ - /* Some kernels do not allow us to store fpscr. */ - if (regno == find_regno ("fpscr")) - return 2; - - return 0; -} - -static int -ppc_cannot_fetch_register (int regno) -{ - return 0; -} - -static CORE_ADDR -ppc_get_pc (void) -{ - unsigned long pc; - - collect_register_by_name ("pc", &pc); - return (CORE_ADDR) pc; -} - -static void -ppc_set_pc (CORE_ADDR pc) -{ - unsigned long newpc = pc; - - supply_register_by_name ("pc", &newpc); -} - -/* Correct in either endianness. Note that this file is - for PowerPC only, not PowerPC64. - This instruction is "twge r2, r2", which GDB uses as a software - breakpoint. */ -static const unsigned long ppc_breakpoint = 0x7d821008; -#define ppc_breakpoint_len 4 - -static int -ppc_breakpoint_at (CORE_ADDR where) -{ - unsigned long insn; - - (*the_target->read_memory) (where, (char *) &insn, 4); - if (insn == ppc_breakpoint) - return 1; - /* If necessary, recognize more trap instructions here. GDB only uses the - one. */ - return 0; -} - -struct linux_target_ops the_low_target = { - ppc_num_regs, - ppc_regmap, - ppc_cannot_fetch_register, - ppc_cannot_store_register, - ppc_get_pc, - ppc_set_pc, - (const char *) &ppc_breakpoint, - ppc_breakpoint_len, - NULL, - 0, - ppc_breakpoint_at, -}; |