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Diffstat (limited to 'gdb/common/mips-linux-watch.h')
-rw-r--r-- | gdb/common/mips-linux-watch.h | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/gdb/common/mips-linux-watch.h b/gdb/common/mips-linux-watch.h deleted file mode 100644 index c9f6932..0000000 --- a/gdb/common/mips-linux-watch.h +++ /dev/null @@ -1,126 +0,0 @@ -/* Copyright (C) 2009-2014 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/>. */ - -#ifndef MIPS_LINUX_WATCH_H -#define MIPS_LINUX_WATCH_H 1 - -#ifdef GDBSERVER -#include "server.h" -#else -#include "defs.h" -#endif - -#include <asm/ptrace.h> -#include <stdint.h> - -#include "break-common.h" - -#define MAX_DEBUG_REGISTER 8 - -/* If macro PTRACE_GET_WATCH_REGS is not defined, kernel header doesn't - have hardware watchpoint-related structures. Define them below. */ - -#ifndef PTRACE_GET_WATCH_REGS -# define PTRACE_GET_WATCH_REGS 0xd0 -# define PTRACE_SET_WATCH_REGS 0xd1 - -enum pt_watch_style { - pt_watch_style_mips32, - pt_watch_style_mips64 -}; - -/* A value of zero in a watchlo indicates that it is available. */ - -struct mips32_watch_regs -{ - uint32_t watchlo[MAX_DEBUG_REGISTER]; - /* Lower 16 bits of watchhi. */ - uint16_t watchhi[MAX_DEBUG_REGISTER]; - /* Valid mask and I R W bits. - * bit 0 -- 1 if W bit is usable. - * bit 1 -- 1 if R bit is usable. - * bit 2 -- 1 if I bit is usable. - * bits 3 - 11 -- Valid watchhi mask bits. - */ - uint16_t watch_masks[MAX_DEBUG_REGISTER]; - /* The number of valid watch register pairs. */ - uint32_t num_valid; - /* There is confusion across gcc versions about structure alignment, - so we force 8 byte alignment for these structures so they match - the kernel even if it was build with a different gcc version. */ -} __attribute__ ((aligned (8))); - -struct mips64_watch_regs -{ - uint64_t watchlo[MAX_DEBUG_REGISTER]; - uint16_t watchhi[MAX_DEBUG_REGISTER]; - uint16_t watch_masks[MAX_DEBUG_REGISTER]; - uint32_t num_valid; -} __attribute__ ((aligned (8))); - -struct pt_watch_regs -{ - enum pt_watch_style style; - union - { - struct mips32_watch_regs mips32; - struct mips64_watch_regs mips64; - }; -}; - -#endif /* !PTRACE_GET_WATCH_REGS */ - -#define W_BIT 0 -#define R_BIT 1 -#define I_BIT 2 - -#define W_MASK (1 << W_BIT) -#define R_MASK (1 << R_BIT) -#define I_MASK (1 << I_BIT) - -#define IRW_MASK (I_MASK | R_MASK | W_MASK) - -/* We keep list of all watchpoints we should install and calculate the - watch register values each time the list changes. This allows for - easy sharing of watch registers for more than one watchpoint. */ - -struct mips_watchpoint -{ - CORE_ADDR addr; - int len; - int type; - struct mips_watchpoint *next; -}; - -uint32_t mips_linux_watch_get_num_valid (struct pt_watch_regs *regs); -uint32_t mips_linux_watch_get_irw_mask (struct pt_watch_regs *regs, int n); -CORE_ADDR mips_linux_watch_get_watchlo (struct pt_watch_regs *regs, int n); -void mips_linux_watch_set_watchlo (struct pt_watch_regs *regs, int n, - CORE_ADDR value); -uint32_t mips_linux_watch_get_watchhi (struct pt_watch_regs *regs, int n); -void mips_linux_watch_set_watchhi (struct pt_watch_regs *regs, int n, - uint16_t value); -int mips_linux_watch_try_one_watch (struct pt_watch_regs *regs, - CORE_ADDR addr, int len, uint32_t irw); -void mips_linux_watch_populate_regs (struct mips_watchpoint *current_watches, - struct pt_watch_regs *regs); -uint32_t mips_linux_watch_type_to_irw (int type); - -int mips_linux_read_watch_registers (long lwpid, - struct pt_watch_regs *watch_readback, - int *watch_readback_valid, int force); -#endif |