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Enable build of crash(8) for m86k platforms.

This commit is contained in:
mlelstv 2012-01-31 21:17:57 +00:00
parent b45f14c96e
commit 780696aa56
5 changed files with 66 additions and 46 deletions
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8
sys/arch/m68k/include/db_machdep.h
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@ -1,4 +1,4 @@
/* $NetBSD: db_machdep.h,v 1.30 2011/05/26 15:34:13 joerg Exp $ */
/* $NetBSD: db_machdep.h,v 1.31 2012/01/31 21:17:57 mlelstv Exp $ */
/*
* Mach Operating System
@ -32,6 +32,12 @@
#ifndef _M68K_DB_MACHDEP_H_
#define _M68K_DB_MACHDEP_H_
#if !defined(_KERNEL) && !defined(_STANDALONE)
#include <stddef.h>
#include <stdbool.h>
#include <string.h>
#endif /* _KERNEL || _STANDALONE */
#include <sys/types.h>
/*

9
sys/arch/m68k/m68k/db_disasm.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: db_disasm.c,v 1.38 2007/02/21 22:59:46 thorpej Exp $ */
/* $NetBSD: db_disasm.c,v 1.39 2012/01/31 21:17:57 mlelstv Exp $ */
/*
* Copyright (c) 1994 Christian E. Hopps
@ -63,10 +63,12 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: db_disasm.c,v 1.38 2007/02/21 22:59:46 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: db_disasm.c,v 1.39 2012/01/31 21:17:57 mlelstv Exp $");
#include <sys/param.h>
#ifdef _KERNEL
#include <sys/systm.h>
#endif
#include <machine/db_machdep.h>
@ -168,6 +170,9 @@ static const char *const dregs[8] = {"d0","d1","d2","d3","d4","d5","d6","d7"};
static const char *const fpregs[8] = {
"fp0","fp1","fp2","fp3","fp4","fp5","fp6","fp7" };
static const char *const fpcregs[3] = { "fpiar", "fpsr", "fpcr" };
#ifndef _KERNEL
static const char hexdigits[] = "0123456789abcdef";
#endif
/*
* Disassemble intruction at location ``loc''.

11
sys/arch/m68k/m68k/db_interface.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: db_interface.c,v 1.34 2007/02/22 17:09:44 thorpej Exp $ */
/* $NetBSD: db_interface.c,v 1.35 2012/01/31 21:17:57 mlelstv Exp $ */
/*
* Mach Operating System
@ -31,9 +31,11 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: db_interface.c,v 1.34 2007/02/22 17:09:44 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: db_interface.c,v 1.35 2012/01/31 21:17:57 mlelstv Exp $");
#ifdef _KERNEL_OPT
#include "opt_ddb.h"
#endif
#include <sys/param.h>
#include <sys/proc.h>
@ -49,12 +51,14 @@ __KERNEL_RCSID(0, "$NetBSD: db_interface.c,v 1.34 2007/02/22 17:09:44 thorpej Ex
#include <ddb/db_command.h>
#include <ddb/db_sym.h>
#ifdef _KERNEL
#include <ddb/db_extern.h>
#endif
int db_active = 0;
db_regs_t ddb_regs;
#ifdef _KERNEL
static void kdbprinttrap(int, int);
/*
@ -155,3 +159,4 @@ cpu_Debugger(void)
__asm ("trap #15");
}
#endif

72
sys/arch/m68k/m68k/db_trace.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: db_trace.c,v 1.56 2010/07/01 02:38:27 rmind Exp $ */
/* $NetBSD: db_trace.c,v 1.57 2012/01/31 21:17:57 mlelstv Exp $ */
/*
* Mach Operating System
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: db_trace.c,v 1.56 2010/07/01 02:38:27 rmind Exp $");
__KERNEL_RCSID(0, "$NetBSD: db_trace.c,v 1.57 2012/01/31 21:17:57 mlelstv Exp $");
#include <sys/param.h>
#include <sys/proc.h>
@ -39,7 +39,6 @@ __KERNEL_RCSID(0, "$NetBSD: db_trace.c,v 1.56 2010/07/01 02:38:27 rmind Exp $");
#include <ddb/db_output.h>
#include <ddb/db_access.h>
#include <ddb/db_sym.h>
#include <ddb/db_extern.h>
#include <ddb/db_variables.h>
/*
@ -49,26 +48,26 @@ static int db_var_short(const struct db_variable *, db_expr_t *, int);
const struct db_variable db_regs[] = {
/* D0-D7 */
{ "d0", (long *)&ddb_regs.tf_regs[0], FCN_NULL },
{ "d1", (long *)&ddb_regs.tf_regs[1], FCN_NULL },
{ "d2", (long *)&ddb_regs.tf_regs[2], FCN_NULL },
{ "d3", (long *)&ddb_regs.tf_regs[3], FCN_NULL },
{ "d4", (long *)&ddb_regs.tf_regs[4], FCN_NULL },
{ "d5", (long *)&ddb_regs.tf_regs[5], FCN_NULL },
{ "d6", (long *)&ddb_regs.tf_regs[6], FCN_NULL },
{ "d7", (long *)&ddb_regs.tf_regs[7], FCN_NULL },
{ "d0", (long *)&ddb_regs.tf_regs[0], FCN_NULL, NULL },
{ "d1", (long *)&ddb_regs.tf_regs[1], FCN_NULL, NULL },
{ "d2", (long *)&ddb_regs.tf_regs[2], FCN_NULL, NULL },
{ "d3", (long *)&ddb_regs.tf_regs[3], FCN_NULL, NULL },
{ "d4", (long *)&ddb_regs.tf_regs[4], FCN_NULL, NULL },
{ "d5", (long *)&ddb_regs.tf_regs[5], FCN_NULL, NULL },
{ "d6", (long *)&ddb_regs.tf_regs[6], FCN_NULL, NULL },
{ "d7", (long *)&ddb_regs.tf_regs[7], FCN_NULL, NULL },
/* A0-A7 */
{ "a0", (long *)&ddb_regs.tf_regs[8+0], FCN_NULL },
{ "a1", (long *)&ddb_regs.tf_regs[8+1], FCN_NULL },
{ "a2", (long *)&ddb_regs.tf_regs[8+2], FCN_NULL },
{ "a3", (long *)&ddb_regs.tf_regs[8+3], FCN_NULL },
{ "a4", (long *)&ddb_regs.tf_regs[8+4], FCN_NULL },
{ "a5", (long *)&ddb_regs.tf_regs[8+5], FCN_NULL },
{ "a6", (long *)&ddb_regs.tf_regs[8+6], FCN_NULL },
{ "sp", (long *)&ddb_regs.tf_regs[8+7], FCN_NULL },
{ "a0", (long *)&ddb_regs.tf_regs[8+0], FCN_NULL, NULL },
{ "a1", (long *)&ddb_regs.tf_regs[8+1], FCN_NULL, NULL },
{ "a2", (long *)&ddb_regs.tf_regs[8+2], FCN_NULL, NULL },
{ "a3", (long *)&ddb_regs.tf_regs[8+3], FCN_NULL, NULL },
{ "a4", (long *)&ddb_regs.tf_regs[8+4], FCN_NULL, NULL },
{ "a5", (long *)&ddb_regs.tf_regs[8+5], FCN_NULL, NULL },
{ "a6", (long *)&ddb_regs.tf_regs[8+6], FCN_NULL, NULL },
{ "sp", (long *)&ddb_regs.tf_regs[8+7], FCN_NULL, NULL },
/* misc. */
{ "pc", (long *)&ddb_regs.tf_pc, FCN_NULL },
{ "sr", (long *)&ddb_regs.tf_sr, db_var_short }
{ "pc", (long *)&ddb_regs.tf_pc, FCN_NULL, NULL },
{ "sr", (long *)&ddb_regs.tf_sr, db_var_short, NULL }
};
const struct db_variable * const db_eregs =
db_regs + sizeof(db_regs)/sizeof(db_regs[0]);
@ -107,9 +106,11 @@ struct stackpos {
};
static void findentry(struct stackpos *, void (*)(const char *, ...));
#ifdef _KERNEL
static void findregs(struct stackpos *, db_addr_t);
static int nextframe(struct stackpos *, struct pcb *, int,
void (*)(const char *, ...));
#endif
static void stacktop(db_regs_t *, struct stackpos *,
void (*)(const char *, ...));
@ -174,6 +175,7 @@ static struct nlist * trampsym = 0;
static struct nlist * funcsym = 0;
#endif
#ifdef _KERNEL
static int
nextframe(struct stackpos *sp, struct pcb *pcb, int kerneltrace,
void (*pr)(const char *, ...))
@ -222,10 +224,11 @@ nextframe(struct stackpos *sp, struct pcb *pcb, int kerneltrace,
} else
findentry(sp, pr);
if (sp->k_fp == 0 || oldfp == sp->k_fp)
if (sp->k_fp == 0 || oldfp == (db_addr_t)sp->k_fp)
return 0;
return sp->k_fp;
}
#endif
static void
findentry(struct stackpos *sp, void (*pr)(const char *, ...))
@ -239,19 +242,6 @@ findentry(struct stackpos *sp, void (*pr)(const char *, ...))
int instruc;
int val;
db_addr_t addr, nextword;
label_t db_jmpbuf;
label_t *savejmp;
savejmp = db_recover;
db_recover = &db_jmpbuf;
if (setjmp(&db_jmpbuf)) {
/* oops -- we touched something we ought not to have */
/* cannot trace caller of "start" */
sp->k_entry = MAXINT;
sp->k_nargs = 0;
db_recover = savejmp;
return;
}
addr = get(sp->k_fp + FR_SAVPC, DSP);
if (addr == 0) {
@ -259,14 +249,11 @@ findentry(struct stackpos *sp, void (*pr)(const char *, ...))
/* cannot trace caller of "start" */
sp->k_entry = MAXINT;
sp->k_nargs = 0;
db_recover = savejmp;
return;
}
instruc = get(addr - 6, ISP);
nextword = get(addr - 4, ISP);
db_recover = savejmp;
if ((instruc & HIWORD) == (JSR | LONGBIT)) {
/* longword offset here */
sp->k_caller = addr - 6;
@ -328,6 +315,7 @@ findentry(struct stackpos *sp, void (*pr)(const char *, ...))
sp->k_nargs = val / 4;
}
#ifdef _KERNEL
/*
* Look at the procedure prolog of the current called procedure.
* Figure out which registers we saved, and where they are
@ -390,6 +378,7 @@ findregs(struct stackpos *sp, db_addr_t addr)
}
/* else no registers saved */
}
#endif
/*
* Frame tracing.
@ -436,6 +425,7 @@ db_stack_trace_print(db_expr_t addr, bool have_addr, db_expr_t count,
(*pr)("trace: pid %d ", p->p_pid);
} else {
(*pr)("trace: pid %d ", (int)addr);
#ifdef _KERNEL
p = proc_find_raw(addr);
if (p == NULL) {
(*pr)("not found\n");
@ -443,6 +433,10 @@ db_stack_trace_print(db_expr_t addr, bool have_addr, db_expr_t count,
}
l = LIST_FIRST(&p->p_lwps);
KASSERT(l != NULL);
#else
(*pr)("no proc_find_raw() in crash\n");
return;
#endif
}
(*pr)("lid %d ", l->l_lid);
pcb = lwp_getpcb(l);
@ -550,6 +544,7 @@ db_stack_trace_print(db_expr_t addr, bool have_addr, db_expr_t count,
else
(*pr)(") + %lx\n", val);
#if _KERNEL
/*
* Stop tracing if frame ptr no longer points into kernel
* stack.
@ -559,5 +554,6 @@ db_stack_trace_print(db_expr_t addr, bool have_addr, db_expr_t count,
break;
if (nextframe(&pos, pcb, kernel_only, pr) == 0)
break;
#endif
}
}

12
usr.sbin/crash/Makefile
View File

@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.15 2012/01/18 09:35:48 skrll Exp $
# $NetBSD: Makefile,v 1.16 2012/01/31 21:17:57 mlelstv Exp $
PROG= crash
MAN= crash.8
@ -14,7 +14,8 @@ DPADD+= ${LIBUTIL} ${LIBKVM} ${LIBEDIT} ${LIBTERMINFO}
.if ${MACHINE} == "amd64" \
|| ${MACHINE} == "hp700" \
|| ${MACHINE} == "i386" \
|| ${MACHINE} == "sparc64"
|| ${MACHINE} == "sparc64" \
|| ${MACHINE_ARCH} == "m68k"
REALCRASH=yes
.else
REALCRASH=no
@ -57,6 +58,13 @@ SRCS+= db_trace.c db_machdep.c
SRCS+= db_trace.c db_interface.c
. endif
. if ${MACHINE_ARCH} == "m68k"
MACHINE_FAMILY = m68k
.PATH: ${S}/arch/m68k/m68k
CPPFLAGS+= -I${S}/arch
SRCS+= db_trace.c db_interface.c
. endif
# crash main source
SRCS+= crash.c