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This commit is contained in:
skrll 2010-03-11 21:41:50 +00:00
parent ee193ef9a3
commit 00affa2e9e
1 changed files with 15 additions and 18 deletions
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33
sys/arch/hppa/hppa/trap.c
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@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.76 2010/02/10 20:54:46 skrll Exp $ */
/* $NetBSD: trap.c,v 1.77 2010/03/11 21:41:50 skrll Exp $ */
/*-
* Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
@ -58,7 +58,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.76 2010/02/10 20:54:46 skrll Exp $");
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.77 2010/03/11 21:41:50 skrll Exp $");
/* #define INTRDEBUG */
/* #define TRAPDEBUG */
@ -265,23 +265,21 @@ trap_kdebug(int type, int code, struct trapframe *frame)
return(0);
/*
* If the instruction offset queue head changed,
* but the offset queue tail didn't, assume that
* the user wants to jump to the head offset, and
* adjust the tail accordingly. This should fix
* the kgdb `jump' command, and can help DDB users
* who `set' the offset head but forget the tail.
* If the instruction offset queue head changed, but the offset
* queue tail didn't, assume that the user wants to jump to the
* head offset, and adjust the tail accordingly. This should
* fix the kgdb `jump' command, and can help DDB users who `set'
* the offset head but forget the tail.
*/
if (frame->tf_iioq_head != tf_iioq_head_old &&
frame->tf_iioq_tail == tf_iioq_tail_old)
frame->tf_iioq_tail = frame->tf_iioq_head + 4;
/*
* This is some single-stepping support.
* If we're trying to step through a nullified
* instruction, just advance by hand and trap
* again. Otherwise, load the recovery counter
* with zero.
* This is some single-stepping support. If we're trying to
* step through a nullified instruction, just advance by hand
* and trap again. Otherwise, load the recovery counter with
* zero.
*/
if (frame->tf_ipsw & PSW_R) {
#ifdef TRAPDEBUG
@ -318,11 +316,10 @@ trap_kdebug(int type, int code, struct trapframe *frame)
#if defined(DEBUG) || defined(USERTRACE)
/*
* These functions give a crude usermode backtrace. They
* really only work when code has been compiled without
* optimization, as they assume a certain function prologue
* sets up a frame pointer and stores the return pointer
* and arguments in it.
* These functions give a crude usermode backtrace. They really only work when
* code has been compiled without optimization, as they assume a certain func-
* tion prologue sets up a frame pointer and stores the return pointer and arg-
* uments in it.
*/
static void
user_backtrace_raw(u_int pc, u_int fp)