Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/iir/machine/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/iir/machine/db_machdep.h |
/*- * 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. * * $FreeBSD: release/9.1.0/sys/amd64/include/db_machdep.h 139731 2005-01-05 20:17:21Z imp $ */ #ifndef _MACHINE_DB_MACHDEP_H_ #define _MACHINE_DB_MACHDEP_H_ #include <machine/frame.h> #include <machine/trap.h> typedef vm_offset_t db_addr_t; /* address - unsigned */ typedef long db_expr_t; /* expression - signed */ #define PC_REGS() ((db_addr_t)kdb_thrctx->pcb_rip) #define BKPT_INST 0xcc /* breakpoint instruction */ #define BKPT_SIZE (1) /* size of breakpoint inst */ #define BKPT_SET(inst) (BKPT_INST) #define BKPT_SKIP \ do { \ kdb_frame->tf_rip += 1; \ kdb_thrctx->pcb_rip += 1; \ } while(0) #define FIXUP_PC_AFTER_BREAK \ do { \ kdb_frame->tf_rip -= 1; \ kdb_thrctx->pcb_rip -= 1; \ } while(0); #define db_clear_single_step kdb_cpu_clear_singlestep #define db_set_single_step kdb_cpu_set_singlestep #define IS_BREAKPOINT_TRAP(type, code) ((type) == T_BPTFLT) /* * Watchpoints are not supported. The debug exception type is in %dr6 * and not yet in the args to this macro. */ #define IS_WATCHPOINT_TRAP(type, code) 0 #define I_CALL 0xe8 #define I_CALLI 0xff #define I_RET 0xc3 #define I_IRET 0xcf #define inst_trap_return(ins) (((ins)&0xff) == I_IRET) #define inst_return(ins) (((ins)&0xff) == I_RET) #define inst_call(ins) (((ins)&0xff) == I_CALL || \ (((ins)&0xff) == I_CALLI && \ ((ins)&0x3800) == 0x1000)) #define inst_load(ins) 0 #define inst_store(ins) 0 /* * There no interesting addresses below _kstack = 0xefbfe000. There * are small absolute values for GUPROF, but we don't want to see them. * Treat "negative" addresses below _kstack as non-small to allow for * future reductions of _kstack and to avoid sign extension problems. * * There is one interesting symbol above -db_maxoff = 0xffff0000, * namely _APTD = 0xfffff000. Accepting this would mess up the * printing of small negative offsets. The next largest symbol is * _APTmap = 0xffc00000. Accepting this is OK (unless db_maxoff is * set to >= 0x400000 - (max stack offset)). */ #define DB_SMALL_VALUE_MAX 0x7fffffff #define DB_SMALL_VALUE_MIN (-0x400001) #endif /* !_MACHINE_DB_MACHDEP_H_ */