Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Calculate what sp would have been and save it in otherwise-unused 

FRAME_SP slot if entering ddb.
This commit is contained in:
ross 1999-05-31 06:41:39 +00:00
parent 077384cc46
commit 6b3d12f44a
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/arch/alpha/alpha/debug.s
View File

@ -1,4 +1,4 @@
/* $NetBSD: debug.s,v 1.1 1999/04/20 21:09:49 thorpej Exp $ */
/* $NetBSD: debug.s,v 1.2 1999/05/31 06:41:39 ross Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -69,6 +69,8 @@ ABS(debug_stack_top, debug_stack_bottom + NBPG)
NESTED_NOPROFILE(alpha_debug, 5, 32, ra, IM_RA|IM_S0, 0)
br pv, Ldbg1
Ldbg1: LDGP(pv)
lda t0, FRAME_SIZE*8(a4) /* what would sp have been? */
stq t0, FRAME_SP*8(a4) /* belatedly save sp for ddb view */
lda sp, -32(sp) /* set up stack frame */
stq ra, (32-8)(sp) /* save ra */
stq s0, (32-16)(sp) /* save s0 */