Add a "mach frame" command to hppa ddb.
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skrll
parent
355cdbdce9
commit
995e7575f1
@ -1,4 +1,4 @@
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# $NetBSD: files.hppa,v 1.15 2008/11/19 18:35:58 ad Exp $
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# $NetBSD: files.hppa,v 1.16 2010/03/02 20:40:15 skrll Exp $
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#
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# $OpenBSD: files.hppa,v 1.31 2001/06/26 02:41:25 mickey Exp $
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#
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@ -14,6 +14,7 @@ file arch/hppa/hppa/db_interface.c ddb
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file arch/hppa/hppa/db_disasm.c ddb
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file arch/hppa/hppa/db_memrw.c ddb | kgdb
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file arch/hppa/hppa/db_trace.c ddb
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file arch/hppa/hppa/db_machdep.c ddb
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file arch/hppa/hppa/fpu.c
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file arch/hppa/hppa/kgdb_hppa.c kgdb
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file arch/hppa/hppa/kobj_machdep.c modular
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126
sys/arch/hppa/hppa/db_machdep.c
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126
sys/arch/hppa/hppa/db_machdep.c
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@ -0,0 +1,126 @@
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/* $NetBSD: db_machdep.c,v 1.1 2010/03/02 20:40:15 skrll Exp $ */
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/*-
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* Copyright (c) 2010 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Nick Hudson
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: db_machdep.c,v 1.1 2010/03/02 20:40:15 skrll Exp $");
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#include <sys/param.h>
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#include <machine/db_machdep.h>
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#include <ddb/db_command.h>
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#include <ddb/db_output.h>
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const struct db_command db_machine_command_table[] = {
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{ DDB_ADD_CMD("frame", db_dump_trap, 0,
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"Displays the contents of a trapframe",
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"[/u] [addr]",
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" addr:\tdisplay this trap frame (current kernel frame otherwise)\n"
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" /u:\tdisplay the current userland trap frame") },
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{ DDB_ADD_CMD(NULL, NULL, 0, NULL, NULL, NULL) }
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};
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void
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db_dump_trap(db_expr_t addr, bool have_addr, db_expr_t count, const char *modif)
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{
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struct trapframe *tf;
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const char *cp = modif;
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bool lwpaddr = false;
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char c;
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tf = DDB_REGS;
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while ((c = *cp++) != 0) {
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if (c == 'l')
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lwpaddr = true;
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}
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/* Or an arbitrary trapframe */
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if (have_addr) {
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if (lwpaddr) {
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struct lwp *l;
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l = (struct lwp *)addr;
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tf = (struct trapframe *)l->l_md.md_regs;
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} else {
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tf = (struct trapframe *)addr;
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}
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}
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db_printf("General registers\n");
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db_printf("r00-03 %08x %08x %08x %08x\n",
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0, tf->tf_r1, tf->tf_rp, tf->tf_r3);
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db_printf("r04-07 %08x %08x %08x %08x\n",
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tf->tf_r4, tf->tf_r5, tf->tf_r6, tf->tf_r7);
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db_printf("r08-11 %08x %08x %08x %08x\n",
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tf->tf_r8, tf->tf_r9, tf->tf_r10, tf->tf_r11);
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db_printf("r12-15 %08x %08x %08x %08x\n",
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tf->tf_r12, tf->tf_r13, tf->tf_r14, tf->tf_r15);
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db_printf("r16-19 %08x %08x %08x %08x\n",
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tf->tf_r16, tf->tf_r17, tf->tf_r18, tf->tf_t4);
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db_printf("r20-23 %08x %08x %08x %08x\n",
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tf->tf_t3, tf->tf_t2, tf->tf_t1, tf->tf_arg3);
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db_printf("r24-27 %08x %08x %08x %08x\n",
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tf->tf_arg2, tf->tf_arg1, tf->tf_arg0, tf->tf_dp);
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db_printf("r28-31 %08x %08x %08x %08x\n",
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tf->tf_ret0, tf->tf_ret1, tf->tf_sp, tf->tf_r31);
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db_printf("\n");
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db_printf("Space registers\n");
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db_printf("s00-03 %08x %08x %08x %08x\n",
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tf->tf_sr0, tf->tf_sr1, tf->tf_sr2, tf->tf_sr3);
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db_printf("s04-07 %08x %08x %08x %08x\n",
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tf->tf_sr4, tf->tf_sr5, tf->tf_sr6, tf->tf_sr7);
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db_printf("\n");
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db_printf("Instruction queues\n");
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db_printf("iisq: %08x %08x\niioq: %08x %08x\n",
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tf->tf_iisq_head, tf->tf_iisq_tail, tf->tf_iioq_head,
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tf->tf_iioq_tail);
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db_printf("\n");
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db_printf("Interrupt state\n");
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db_printf("isr: %08x\nior: %08x\niir: %08x\n",
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tf->tf_isr, tf->tf_ior, tf->tf_iir);
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db_printf("\n");
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db_printf("Other state\n");
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db_printf("eiem: %08x\n", tf->tf_eiem);
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db_printf("ipsw: %08x\n", tf->tf_ipsw);
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db_printf("flags: %08x\n", tf->tf_flags);
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db_printf("sar: %08x\n", tf->tf_sar);
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db_printf("pidr1: %08x\n", tf->tf_pidr1); /* cr8 */
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db_printf("pidr2: %08x\n", tf->tf_pidr2); /* cr9 */
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#if pbably_not_worth_it
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db_printf("pidr3: %08x\n", tf->tf_pidr3); /* cr12 */
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db_printf("pidr4: %08x\n", tf->tf_pidr4); /* cr13 */
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#endif
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db_printf("rctr: %08x\n", tf->tf_rctr); /* cr0 */
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db_printf("ccr: %08x\n", tf->tf_ccr); /* cr10 */
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db_printf("eirr: %08x\n", tf->tf_eirr); /* cr23 - DDB */
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db_printf("vtop: %08x\n", tf->tf_vtop); /* cr25 - DDB */
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db_printf("cr28: %08x\n", tf->tf_cr28); /* - DDB */
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db_printf("cr30: %08x\n", tf->tf_cr30); /* uaddr */
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: db_machdep.h,v 1.8 2009/11/03 05:07:26 snj Exp $ */
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/* $NetBSD: db_machdep.h,v 1.9 2010/03/02 20:40:16 skrll Exp $ */
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/* $OpenBSD: db_machdep.h,v 1.5 2001/02/16 19:20:13 mickey Exp $ */
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@ -44,6 +44,9 @@ typedef struct trapframe db_regs_t;
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extern db_regs_t ddb_regs;
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#define DDB_REGS (&ddb_regs)
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/* DDB commands not in db_interface.c */
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void db_dump_trap(db_expr_t, bool, db_expr_t, const char *);
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/*
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* Things needed by kgdb:
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*/
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@ -112,6 +115,8 @@ static __inline int inst_trap_return(u_int ins) {
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#define db_clear_single_step(r) ((r)->tf_ipsw &= ~PSW_R)
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#define db_set_single_step(r) ((r)->tf_ipsw |= PSW_R)
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#define DB_MACHINE_COMMANDS
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int db_valid_breakpoint(db_addr_t);
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int kdb_trap(int, int, db_regs_t *);
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