aboutsummaryrefslogtreecommitdiff
path: root/gdb/gdbserver/linux-mips-low.c
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/gdbserver/linux-mips-low.c')
-rw-r--r--gdb/gdbserver/linux-mips-low.c155
1 files changed, 0 insertions, 155 deletions
diff --git a/gdb/gdbserver/linux-mips-low.c b/gdb/gdbserver/linux-mips-low.c
deleted file mode 100644
index 51e74ce..0000000
--- a/gdb/gdbserver/linux-mips-low.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/* GNU/Linux/MIPS 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"
-
-#ifdef HAVE_SYS_REG_H
-#include <sys/reg.h>
-#endif
-
-#define mips_num_regs 90
-
-#include <asm/ptrace.h>
-
-/* Return the ptrace ``address'' of register REGNO. */
-
-/* Matches mips_generic32_regs */
-static int mips_regmap[] = {
- 0, 1, 2, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31,
-
- -1, MMLO, MMHI, BADVADDR, CAUSE, PC,
-
- FPR_BASE, FPR_BASE + 1, FPR_BASE + 2, FPR_BASE + 3,
- FPR_BASE + 4, FPR_BASE + 5, FPR_BASE + 6, FPR_BASE + 7,
- FPR_BASE + 8, FPR_BASE + 8, FPR_BASE + 10, FPR_BASE + 11,
- FPR_BASE + 12, FPR_BASE + 13, FPR_BASE + 14, FPR_BASE + 15,
- FPR_BASE + 16, FPR_BASE + 17, FPR_BASE + 18, FPR_BASE + 19,
- FPR_BASE + 20, FPR_BASE + 21, FPR_BASE + 22, FPR_BASE + 23,
- FPR_BASE + 24, FPR_BASE + 25, FPR_BASE + 26, FPR_BASE + 27,
- FPR_BASE + 28, FPR_BASE + 29, FPR_BASE + 30, FPR_BASE + 31,
- FPC_CSR, FPC_EIR,
-
- -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1,
-};
-
-/* From mips-linux-nat.c. */
-
-/* Pseudo registers can not be read. ptrace does not provide a way to
- read (or set) PS_REGNUM, and there's no point in reading or setting
- ZERO_REGNUM. We also can not set BADVADDR, CAUSE, or FCRIR via
- ptrace(). */
-
-static int
-mips_cannot_fetch_register (int regno)
-{
- if (mips_regmap[regno] == -1)
- return 1;
-
- if (find_regno ("zero") == regno)
- return 1;
-
- return 0;
-}
-
-static int
-mips_cannot_store_register (int regno)
-{
- if (mips_regmap[regno] == -1)
- return 1;
-
- if (find_regno ("zero") == regno)
- return 1;
-
- if (find_regno ("cause") == regno)
- return 1;
-
- if (find_regno ("bad") == regno)
- return 1;
-
- if (find_regno ("fir") == regno)
- return 1;
-
- return 0;
-}
-
-static CORE_ADDR
-mips_get_pc ()
-{
- unsigned long pc;
- collect_register_by_name ("pc", &pc);
- return pc;
-}
-
-static void
-mips_set_pc (CORE_ADDR pc)
-{
- unsigned long newpc = pc;
- supply_register_by_name ("pc", &newpc);
-}
-
-/* Correct in either endianness. */
-static const unsigned long mips_breakpoint = 0x0005000d;
-#define mips_breakpoint_len 4
-
-/* We only place breakpoints in empty marker functions, and thread locking
- is outside of the function. So rather than importing software single-step,
- we can just run until exit. */
-static CORE_ADDR
-mips_reinsert_addr ()
-{
- unsigned long pc;
- collect_register_by_name ("ra", &pc);
- return pc;
-}
-
-static int
-mips_breakpoint_at (CORE_ADDR where)
-{
- unsigned long insn;
-
- (*the_target->read_memory) (where, (char *) &insn, 4);
- if (insn == mips_breakpoint)
- return 1;
-
- /* If necessary, recognize more trap instructions here. GDB only uses the
- one. */
- return 0;
-}
-
-struct linux_target_ops the_low_target = {
- mips_num_regs,
- mips_regmap,
- mips_cannot_fetch_register,
- mips_cannot_store_register,
- mips_get_pc,
- mips_set_pc,
- (const char *) &mips_breakpoint,
- mips_breakpoint_len,
- mips_reinsert_addr,
- 0,
- mips_breakpoint_at,
-};