Differential D44353 Diff 136022 sys/arm64/include/db_machdep.h

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sys/arm64/include/db_machdep.h

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	#ifndef _MACHINE_DB_MACHDEP_H_			#ifndef _MACHINE_DB_MACHDEP_H_
	#define _MACHINE_DB_MACHDEP_H_			#define _MACHINE_DB_MACHDEP_H_

	#include <machine/armreg.h>			#include <machine/armreg.h>
	#include <machine/frame.h>			#include <machine/frame.h>
	#include <machine/trap.h>			#include <machine/trap.h>

	#define T_BREAKPOINT (EXCP_BRK)			#define T_BREAKPOINT (EXCP_BRK)
				#define T_HW_BREAKPOINT (EXCP_BRKPT_EL1)
	#define T_SINGLESTEP (EXCP_SOFTSTP_EL1)			#define T_SINGLESTEP (EXCP_SOFTSTP_EL1)
	#define T_WATCHPOINT (EXCP_WATCHPT_EL1)			#define T_WATCHPOINT (EXCP_WATCHPT_EL1)

	typedef vm_offset_t db_addr_t;			typedef vm_offset_t db_addr_t;
	typedef long db_expr_t;			typedef long db_expr_t;

	#define PC_REGS() ((db_addr_t)kdb_thrctx->pcb_x[PCB_LR])			#define PC_REGS() ((db_addr_t)kdb_thrctx->pcb_x[PCB_LR])

	#define BKPT_INST (0xd4200000)			#define BKPT_INST (0xd4200000)
	#define BKPT_SIZE (4)			#define BKPT_SIZE (4)
	#define BKPT_SET(inst) (BKPT_INST)			#define BKPT_SET(inst) (BKPT_INST)

	#define BKPT_SKIP do { \			#define BKPT_SKIP do { \
	kdb_frame->tf_elr += BKPT_SIZE; \			kdb_frame->tf_elr += BKPT_SIZE; \
	kdb_thrctx->pcb_x[PCB_LR] += BKPT_SIZE; \			kdb_thrctx->pcb_x[PCB_LR] += BKPT_SIZE; \
	} while (0)			} while (0)

	#define db_clear_single_step kdb_cpu_clear_singlestep			#define db_clear_single_step kdb_cpu_clear_singlestep
	#define db_set_single_step kdb_cpu_set_singlestep			#define db_set_single_step kdb_cpu_set_singlestep

	#define IS_BREAKPOINT_TRAP(type, code) (type == T_BREAKPOINT)			#define IS_BREAKPOINT_TRAP(type, code) \
				(type == T_BREAKPOINT \|\| type == T_HW_BREAKPOINT)
	#define IS_SSTEP_TRAP(type, code) (type == T_SINGLESTEP)			#define IS_SSTEP_TRAP(type, code) (type == T_SINGLESTEP)
	#define IS_WATCHPOINT_TRAP(type, code) (type == T_WATCHPOINT)			#define IS_WATCHPOINT_TRAP(type, code) (type == T_WATCHPOINT)

	#define inst_trap_return(ins) (0)			#define inst_trap_return(ins) (0)
	/* ret */			/* ret */
	#define inst_return(ins) (((ins) & 0xfffffc1fu) == 0xd65f0000)			#define inst_return(ins) (((ins) & 0xfffffc1fu) == 0xd65f0000)
	#define inst_call(ins) (((ins) & 0xfc000000u) == 0x94000000u \|\| /* BL */ \			#define inst_call(ins) (((ins) & 0xfc000000u) == 0x94000000u \|\| /* BL */ \
	((ins) & 0xfffffc1fu) == 0xd63f0000u) /* BLR */			((ins) & 0xfffffc1fu) == 0xd63f0000u) /* BLR */
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