zig/lib/libc/include/aarch64-openbsd-none/arm64/db_machdep.h
Alex Rønne Petersen 1311e997d4
libc: add openbsd 7.8 headers
This excludes all headers in /usr/include/dev because that directory is bonkers
huge (18M). We can add these on an as-needed basis.
2025-12-05 12:19:07 +01:00

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2.5 KiB
C
Vendored

/* $OpenBSD: db_machdep.h,v 1.8 2025/07/22 09:20:41 kettenis Exp $ */
/* $NetBSD: db_machdep.h,v 1.5 2001/11/22 18:00:00 thorpej Exp $ */
/*
* Copyright (c) 1996 Scott K Stevens
*
* 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.
*/
#ifndef _MACHINE_DB_MACHDEP_H_
#define _MACHINE_DB_MACHDEP_H_
/*
* Machine-dependent defines for new kernel debugger.
*/
#include <sys/param.h>
#include <uvm/uvm_extern.h>
#include <machine/armreg.h>
#include <machine/frame.h>
/* end of mangling */
typedef long db_expr_t; /* expression - signed */
typedef trapframe_t db_regs_t;
extern db_regs_t ddb_regs; /* register state */
#define DDB_REGS (&ddb_regs)
#define PC_REGS(regs) ((vaddr_t)(regs)->tf_elr)
#define SET_PC_REGS(regs, value) (regs)->tf_elr = (register_t)(value)
#define BKPT_INST 0xd4200000 /* breakpoint instruction */
#define BKPT_SIZE (INSN_SIZE) /* size of breakpoint inst */
#define BKPT_SET(inst) (BKPT_INST)
#define db_clear_single_step(regs) ((regs)->tf_spsr &= ~PSR_SS)
#define db_set_single_step(regs) ((regs)->tf_spsr |= PSR_SS)
#define IS_BREAKPOINT_TRAP(type, code) ((type) == EXCP_BRK)
#define IS_WATCHPOINT_TRAP(type, code) ((type) == EXCP_WATCHPT_EL1)
// ALL BROKEN!!!
#define inst_trap_return(ins) ((ins) == 0 && (ins) == 1)
#define inst_return(ins) ((ins) == 0 && (ins) == 1)
#define inst_call(ins) ((ins) == 0 && (ins) == 1)
#define DB_MACHINE_COMMANDS
int db_ktrap(int, db_regs_t *);
void db_machine_init (void);
#define DDB_STATE_NOT_RUNNING 0
#define DDB_STATE_RUNNING 1
#define DDB_STATE_EXITING 2
#endif /* _MACHINE_DB_MACHDEP_H_ */