123 lines
3.6 KiB
C
123 lines
3.6 KiB
C
/*
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* Copyright (c) 2015 Wind River Systems, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _GDB_ARCH__H_
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#define _GDB_ARCH__H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <nano_private.h>
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#include <misc/debug/gdb_server.h>
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#define GDB_ARCH_HAS_ALL_REGS
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#ifndef CONFIG_GDB_SERVER_BOOTLOADER
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#undef GDB_ARCH_HAS_HW_BP
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#define GDB_ARCH_HAS_REMOTE_SERIAL_EXT_USING_NOTIF_PACKETS
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#define GDB_ARCH_HAS_RUNCONTROL
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#define GDB_ARCH_CAN_STEP gdb_arch_can_step
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#endif
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#ifndef CONFIG_GDB_RAM_SIZE
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#define CONFIG_GDB_RAM_SIZE (CONFIG_RAM_SIZE * 1024)
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#endif
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#ifndef CONFIG_GDB_RAM_ADDRESS
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#define CONFIG_GDB_RAM_ADDRESS 0x100000
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#endif
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/* Default GDB buffer size */
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#ifdef CONFIG_GDB_SERVER_BOOTLOADER
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#define GDB_BUF_SIZE 8192
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#else
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#define GDB_BUF_SIZE 600
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#endif
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#define GDB_TGT_ARCH "i386"
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#define GDB_NUM_REGS 16
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#define GDB_NUM_REG_BYTES (GDB_NUM_REGS * 4)
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#define GDB_PC_REG 8
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#define GDB_BREAK_INSTRUCTION 0xcc /* 'int3' opcode */
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#ifndef _ASMLANGUAGE
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typedef unsigned char gdb_instr_t;
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struct gdb_reg_set {
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NANO_ISF regs;
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unsigned int pad1; /* padding for ss register */
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unsigned int pad2; /* padding for ds register */
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unsigned int pad3; /* padding for es register */
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unsigned int pad4; /* padding for fs register */
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unsigned int pad5; /* padding for gs register */
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};
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struct gdb_debug_regs {
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unsigned int db0; /* debug register 0 */
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unsigned int db1; /* debug register 1 */
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unsigned int db2; /* debug register 2 */
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unsigned int db3; /* debug register 3 */
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unsigned int db6; /* debug register 6 */
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unsigned int db7; /* debug register 7 */
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};
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#if defined(GDB_ARCH_HAS_RUNCONTROL) && defined(GDB_ARCH_HAS_HW_BP)
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extern volatile int gdb_cpu_stop_bp_type;
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extern long gdb_cpu_stop_hw_bp_addr;
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#define GDB_SET_STOP_BP_TYPE_SOFT(x) \
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do { gdb_cpu_stop_bp_type = (x); } while ((0))
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#else
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#define GDB_SET_STOP_BP_TYPE_SOFT(x)
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#endif
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extern void gdb_arch_init(void);
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extern void gdb_arch_regs_from_esf(struct gdb_reg_set *regs,
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NANO_ESF *esf);
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extern void gdb_arch_regs_to_esf(struct gdb_reg_set *regs,
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NANO_ESF *esf);
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extern void gdb_arch_regs_from_isf(struct gdb_reg_set *regs,
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NANO_ISF *esf);
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extern void gdb_arch_regs_to_isf(struct gdb_reg_set *regs,
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NANO_ISF *esf);
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extern void gdb_arch_regs_get(struct gdb_reg_set *regs, char *buffer);
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extern void gdb_arch_regs_set(struct gdb_reg_set *regs, char *buffer);
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extern void gdb_arch_reg_info_get(int reg_id, int *size, int *offset);
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extern void gdb_trace_mode_clear(struct gdb_reg_set *regs, int arg);
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extern int gdb_trace_mode_set(struct gdb_reg_set *regs);
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extern int gdb_arch_can_step(struct gdb_reg_set *regs);
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#ifdef GDB_ARCH_HAS_HW_BP
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extern int gdb_hw_bp_set(struct gdb_debug_regs *regs, long addr,
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enum gdb_bp_type type, int length,
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enum gdb_error_code *err);
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extern int gdb_hw_bp_clear(struct gdb_debug_regs *regs, long addr,
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enum gdb_bp_type type, int length,
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enum gdb_error_code *err);
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extern void gdb_dbg_regs_set(struct gdb_debug_regs *regs);
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extern void gdb_dbg_regs_get(struct gdb_debug_regs *regs);
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extern void gdb_dbg_regs_clear(void);
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#endif
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#endif /* _ASMLANGUAGE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _GDB_ARCH__H_ */
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