Since all the calls to the postmortem debug code have been removed by

various folks, the actual code can be removed as well.
This commit is contained in:
mark 1999-03-01 10:01:52 +00:00
parent 0d4c6bb54a
commit 98c62c02c3
4 changed files with 3 additions and 481 deletions

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@ -1,4 +1,4 @@
/* $NetBSD: locore.S,v 1.30 1998/12/12 17:28:05 mycroft Exp $ */
/* $NetBSD: locore.S,v 1.31 1999/03/01 10:01:53 mark Exp $ */
/*
* Copyright (C) 1994-1997 Mark Brinicombe
@ -207,170 +207,6 @@ Lcpu_reset_address:
.word _cpu_reset_address
#endif /* OFW */
/* Debug routine to print trace back information from stack */
ENTRY(traceback)
stmfd sp!, {r4, r5, r6, lr}
mov r4, r11
ldr r5, Ltracebackmin
ldr r6, Ltracebackmax
tbloop:
mov r1, r4
ldr r2, [r4, #-12]
ldr r3, [r4, #-8]
add r0, pc, #Ltb1 - . - 8
bl _printf
ldr r1, [r4, #-4]
ldr r2, [r4]
add r0, pc, #Ltb2 - . - 8
bl _printf
mov r3, r4
ldr r4, [r4, #-12]
teq r3, r4
beq tbexit
cmp r4, r5
bls tbexit
cmp r4, r6
bge tbexit
teq r4, #0x00000000
bne tbloop
tbexit:
mov r0, r4
ldmfd sp!, {r4, r5, r6, pc}
Ltracebackmin:
.word 0xf0000000
Ltracebackmax:
.word 0xf4000000
Ltb1:
.asciz "traceback: fp=%08x fp->fp=%08x fp->sp=%08x "
Ltb2:
.asciz "fp->lr=%08x fp->pc=%08x\n"
.align 0
/* Debug routine to print trace back information from stack */
ENTRY(simpletraceback)
stmfd sp!, {r4, r5, r6, lr}
mov r4, r11
ldr r5, Ltracebackmin
ldr r6, Ltracebackmax
stbloop:
ldr r1, [r4, #-4]
ldr r2, [r4]
add r0, pc, #Ltb2 - . - 8
bl _printf
mov r3, r4
ldr r4, [r4, #-12]
teq r3, r4
beq stbexit
cmp r4, r5
bls stbexit
cmp r4, r6
bge stbexit
teq r4, #0x00000000
bne stbloop
stbexit:
mov r0, r4
ldmfd sp!, {r4, r5, r6, pc}
/* Debug routine to print trace back information from stack */
ENTRY(irqtraceback)
stmfd sp!, {r4, r5, r6, lr}
mov r4, r0
mov r5, r1
add r6, r5, #(NBPG)
itbloop:
mov r1, r4
ldr r2, [r4, #-12]
ldr r3, [r4, #-8]
add r0, pc, #Ltb1 - . - 8
bl _printf
ldr r1, [r4, #-4]
ldr r2, [r4]
add r0, pc, #Ltb2 - . - 8
bl _printf
mov r3, r4
ldr r4, [r4, #-12]
teq r3, r4
beq itbexit
cmp r4, r5
bls itbexit
cmp r4, r6
bge itbexit
teq r4, #0x00000000
bne itbloop
itbexit:
mov r0, r4
ldmfd sp!, {r4, r5, r6, pc}
ENTRY(user_traceback)
stmfd sp!, {r4, r5, r6, lr}
mov r4, r0
ldr r5, Lusertracebackmin
ldr r6, Lusertracebackmax
usertbloop:
mov r1, r4
ldr r2, [r4, #-12]
ldr r3, [r4, #-8]
add r0, pc, #Lusertb1 - . - 8
bl _printf
ldr r1, [r4, #-4]
ldr r2, [r4]
add r0, pc, #Lusertb2 - . - 8
bl _printf
mov r3, r4
ldr r4, [r4, #-12]
teq r3, r4
beq usertbexit
cmp r4, r5
bls tbexit
cmp r4, r6
bge usertbexit
teq r4, #0x00000000
bne usertbloop
usertbexit:
mov r0, r4
ldmfd sp!, {r4, r5, r6, pc}
Lusertracebackmin:
.word 0x00001000
Lusertracebackmax:
.word 0xefbfe000
Lusertb1:
.asciz "traceback: fp=%08x fp->fp=%08x fp->sp=%08x "
Lusertb2:
.asciz "fp->lr=%08x fp->pc=%08x\n"
.align 0
/*
* Signal trampoline; copied to top of user stack.
*/

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@ -1,303 +0,0 @@
/* $NetBSD: postmortem.c,v 1.16 1999/01/03 02:23:28 mark Exp $ */
/*
* Copyright (c) 1994,1995 Mark Brinicombe.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mark Brinicombe.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* RiscBSD kernel project
*
* postmortem.c
*
* Postmortem routines
*
* Created : 17/09/94
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <machine/db_machdep.h>
#include <ddb/db_sym.h>
#include <machine/frame.h>
#include <machine/katelib.h>
#ifdef POSTMORTEM
#ifdef ROTTEN_INARDS
#ifndef OFWGENCFG
extern pv_addr_t irqstack;
#endif
extern pv_addr_t undstack;
extern pv_addr_t abtstack;
#endif
int usertraceback = 0;
/* dumpb - dumps memory in bytes */
void
pm_dumpb(addr, count)
u_char *addr;
int count;
{
u_int byte;
int loop;
for (; count > 0; count -= 16) {
printf("%08x: ", (int)addr);
for (loop = 0; loop < 16; ++loop) {
byte = addr[loop];
printf("%02x ", byte);
}
printf(" ");
for (loop = 0; loop < 16; ++loop) {
byte = addr[loop];
if (byte < 0x20)
printf("%c", byte + '@');
else if ((byte == 0x7f) || (byte == 0xff))
printf("?");
else if (byte < 0x80)
printf("%c", byte);
else if (byte < 0xa0)
printf("%c", byte - '@');
else
printf("%c", byte & 0x7f);
}
printf("\r\n");
addr += 16;
}
}
/* dumpw - dumps memory in bytes */
void
pm_dumpw(addr, count)
u_char *addr;
int count;
{
u_int byte;
int loop;
for (; count > 0; count -= 32) {
printf("%08x: ", (int)addr);
for (loop = 0; loop < 8; ++loop) {
byte = ((u_int *)addr)[loop];
printf("%08x ", byte);
}
printf(" ");
for (loop = 0; loop < 32; ++loop) {
byte = addr[loop];
if (byte < 0x20)
printf("%c", byte + '@');
else if ((byte == 0x7f) || (byte == 0xff))
printf("?");
else if (byte < 0x80)
printf("%c", byte);
else if (byte < 0xa0)
printf("%c", byte - '@');
else
printf("%c", byte & 0x7f);
}
printf("\r\n");
addr += 32;
}
}
/* Dump a trap frame */
void
dumpframe(frame)
trapframe_t *frame;
{
int s;
s = splhigh();
printf("frame address = %p ", frame);
printf("spsr =%08x\n", frame->tf_spsr);
printf("r0 =%08x r1 =%08x r2 =%08x r3 =%08x\n", frame->tf_r0,
frame->tf_r1, frame->tf_r2, frame->tf_r3);
printf("r4 =%08x r5 =%08x r6 =%08x r7 =%08x\n", frame->tf_r4,
frame->tf_r5, frame->tf_r6, frame->tf_r7);
printf("r8 =%08x r9 =%08x r10=%08x r11=%08x\n", frame->tf_r8,
frame->tf_r9, frame->tf_r10, frame->tf_r11);
printf("r12=%08x r13=%08x r14=%08x r15=%08x\n", frame->tf_r12,
frame->tf_usr_sp, frame->tf_usr_lr, frame->tf_pc);
printf("slr=%08x\n", frame->tf_svc_lr);
(void)splx(s);
}
#ifdef STACKCHECKS
void
check_stacks(p)
struct proc *p;
{
u_char *ptr;
int loop;
if (p) {
ptr = ((u_char *)p->p_addr) + USPACE_UNDEF_STACK_BOTTOM;
for (loop = 0; loop < (USPACE_UNDEF_STACK_TOP -
USPACE_UNDEF_STACK_BOTTOM) && *ptr == 0xdd; ++loop, ++ptr) ;
printf("%d bytes of undefined stack fill pattern out of %d bytes\n",
loop, USPACE_UNDEF_STACK_TOP - USPACE_UNDEF_STACK_BOTTOM);
ptr = ((u_char *)p->p_addr) + USPACE_SVC_STACK_BOTTOM;
for (loop = 0; loop < (USPACE_SVC_STACK_TOP -
USPACE_SVC_STACK_BOTTOM) && *ptr == 0xdd; ++loop, ++ptr) ;
printf("%d bytes of svc stack fill pattern out of %d bytes\n",
loop, USPACE_SVC_STACK_TOP - USPACE_SVC_STACK_BOTTOM);
}
}
#endif /* STACKCHECKS */
/* Perform a postmortem */
void
postmortem(frame)
trapframe_t *frame;
{
u_int s;
u_int addr;
static int postmortem_active = 0;
s = splhigh();
if (postmortem_active) {
printf("postmortem aborted - re-entrancy detected\n");
(void)splx(s);
return;
}
++postmortem_active;
#ifdef STACKCHECKS
/* Check the stack for a known pattern */
check_stacks(curproc);
#endif /* STACKCHECKS */
#ifdef ROTTEN_INARDS
addr = traceback();
dumpframe(frame);
if (curproc) {
printf("curproc=%p paddr=%p pcb=%p curpcb=%p\n",
curproc, curproc->p_addr, &curproc->p_addr->u_pcb,
curpcb);
printf("CPSR=%08x ", GetCPSR());
printf("Process = %p ", curproc);
printf("pid = %d ", curproc->p_pid);
printf("comm = %s\n", curproc->p_comm);
} else {
printf("curproc=%p curpcb=%p\n", curproc, curpcb);
printf("CPSR=%08x ", GetCPSR());
}
#ifndef OFWGENCFG
pm_dumpw(irqstack.pv_va + NBPG - 0x100, 0x100);
#endif
pm_dumpw(undstack.pv_va + NBPG - 0x20, 0x20);
pm_dumpw(abtstack.pv_va + NBPG - 0x20, 0x20);
printf("abt_sp=%08x irq_sp=%08x und_sp=%08x svc_sp=%08x\n",
get_stackptr(PSR_ABT32_MODE),
get_stackptr(PSR_IRQ32_MODE),
get_stackptr(PSR_UND32_MODE),
get_stackptr(PSR_SVC32_MODE));
if (curpcb)
printf("curpcb=%p pcb_sp=%08x pcb_und_sp=%08x\n", curpcb,
curpcb->pcb_sp, curpcb->pcb_und_sp);
printf("proc0=%p paddr=%p pcb=%p\n", &proc0,
proc0.p_addr, &proc0.p_addr->u_pcb);
#else /* ROTTENS_INARDS */
printf("Process = %p ", curproc);
if (curproc) {
printf("pid = %d ", curproc->p_pid);
printf("comm = %s\n", curproc->p_comm);
} else {
printf("\n");
}
printf("CPSR=%08x ", GetCPSR());
printf("Traceback info (frame=%p)\n", frame);
addr = simpletraceback();
printf("Trapframe PC = %08x\n", frame->tf_pc);
printf("Trapframe SPSR = %08x\n", frame->tf_spsr);
if (usertraceback) {
printf("Attempting user trackback\n");
user_traceback(frame->tf_r11);
}
#endif /* ROTTEN_INARDS */
--postmortem_active;
(void)splx(s);
}
void
buried_alive(p)
struct proc *p;
{
printf("Ok major screw up detected on kernel stack\n");
printf("Putting the process down to minimise further trashing\n");
printf("Process was %p pid=%d comm=%s\n", p, p->p_pid, p->p_comm);
}
#else /* POSTMORTEM */
void
postmortem(frame)
trapframe_t *frame;
{
printf("No postmortem support compiled in\n");
}
void
buried_alive(p)
struct proc *p;
{
}
#endif /* POSTMORTEM */
/* End of postmortem.c */

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@ -1,4 +1,4 @@
# $NetBSD: files.arm32,v 1.75 1999/01/23 22:18:43 sommerfe Exp $
# $NetBSD: files.arm32,v 1.76 1999/03/01 10:01:52 mark Exp $
#
# First try for arm-specific configuration info
#
@ -386,7 +386,6 @@ file arch/arm32/kshell/kshell_debug.c kshell
# files related to debugging
file arch/arm32/arm32/disassem.c
file arch/arm32/arm32/postmortem.c postmortem
file dev/cons.c
file dev/cninit.c !footbridge

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@ -1,4 +1,4 @@
/* $NetBSD: katelib.h,v 1.12 1998/02/21 22:49:18 mark Exp $ */
/* $NetBSD: katelib.h,v 1.13 1999/03/01 10:01:53 mark Exp $ */
/*
* Copyright (c) 1994-1996 Mark Brinicombe.
@ -106,16 +106,6 @@ void outsl __P((u_int io, void *src, u_int size));
#define inl(port) ReadWord((port))
#define outl(port, lword) WriteWord((port), (lword))
/* Prototypes that are wandering the streets */
#ifdef _ARM32_FRAME_H_
void postmortem __P((trapframe_t *frame));
#endif
u_int traceback __P((void));
u_int simpletraceback __P((void));
u_int irqtraceback __P((u_int, u_int));
u_int user_traceback __P((u_int));
void kstack_stuff __P((struct proc */*p*/));
#endif
/* End of katelib.h */