93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/*
|
|
* Mach Operating System
|
|
* Copyright (c) 1991,1990 Carnegie Mellon University
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and its
|
|
* documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
|
|
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie Mellon
|
|
* the rights to redistribute these changes.
|
|
*
|
|
* from: FreeBSD: src/sys/i386/include/db_machdep.h,v 1.16 1999/10/04
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _MACHINE_DB_MACHDEP_H_
|
|
#define _MACHINE_DB_MACHDEP_H_
|
|
|
|
#include <machine/frame.h>
|
|
#include <machine/trap.h>
|
|
#include <machine/armreg.h>
|
|
|
|
#define T_BREAKPOINT (1)
|
|
typedef vm_offset_t db_addr_t;
|
|
typedef int db_expr_t;
|
|
|
|
#define PC_REGS() ((db_addr_t)kdb_thrctx->un_32.pcb32_pc)
|
|
|
|
#define BKPT_INST (KERNEL_BREAKPOINT)
|
|
#define BKPT_SIZE (INSN_SIZE)
|
|
#define BKPT_SET(inst) (BKPT_INST)
|
|
|
|
#define BKPT_SKIP do { \
|
|
kdb_frame->tf_pc += BKPT_SIZE; \
|
|
} while (0)
|
|
|
|
#define SOFTWARE_SSTEP 1
|
|
|
|
#define IS_BREAKPOINT_TRAP(type, code) (type == T_BREAKPOINT)
|
|
#define IS_WATCHPOINT_TRAP(type, code) (0)
|
|
|
|
|
|
#define inst_trap_return(ins) (0)
|
|
/* ldmxx reg, {..., pc}
|
|
01800000 stack mode
|
|
000f0000 register
|
|
0000ffff register list */
|
|
/* mov pc, reg
|
|
0000000f register */
|
|
#define inst_return(ins) (((ins) & 0x0e108000) == 0x08108000 || \
|
|
((ins) & 0x0ff0fff0) == 0x01a0f000 || \
|
|
((ins) & 0x0ffffff0) == 0x012fff10) /* bx */
|
|
/* bl ...
|
|
00ffffff offset>>2 */
|
|
#define inst_call(ins) (((ins) & 0x0f000000) == 0x0b000000)
|
|
/* b ...
|
|
00ffffff offset>>2 */
|
|
/* ldr pc, [pc, reg, lsl #2]
|
|
0000000f register */
|
|
|
|
#define inst_branch(ins) (((ins) & 0x0f000000) == 0x0a000000 || \
|
|
((ins) & 0x0fdffff0) == 0x079ff100)
|
|
|
|
#define inst_load(ins) (0)
|
|
#define inst_store(ins) (0)
|
|
|
|
#define next_instr_address(pc, bd) ((bd) ? (pc) : ((pc) + INSN_SIZE))
|
|
|
|
#define DB_SMALL_VALUE_MAX (0x7fffffff)
|
|
#define DB_SMALL_VALUE_MIN (-0x40001)
|
|
|
|
#define DB_ELFSIZE 32
|
|
|
|
int db_validate_address(vm_offset_t);
|
|
|
|
u_int branch_taken (u_int insn, u_int pc);
|
|
|
|
#endif /* !_MACHINE_DB_MACHDEP_H_ */
|