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Make the DDB trace output a lot easier to look at.

This commit is contained in:
thorpej 2001-11-09 16:49:29 +00:00
parent 6e25baad1d
commit 10392361f8
1 changed files with 19 additions and 19 deletions
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38
sys/arch/arm/arm/db_trace.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: db_trace.c,v 1.2 2001/09/09 10:33:42 toshii Exp $ */
/* $NetBSD: db_trace.c,v 1.3 2001/11/09 16:49:29 thorpej Exp $ */
/*
* Copyright (c) 2000, 2001 Ben Harris
@ -31,7 +31,7 @@
#include <sys/param.h>
__RCSID("$NetBSD: db_trace.c,v 1.2 2001/09/09 10:33:42 toshii Exp $");
__RCSID("$NetBSD: db_trace.c,v 1.3 2001/11/09 16:49:29 thorpej Exp $");
#include <sys/proc.h>
#include <sys/user.h>
@ -132,12 +132,11 @@ db_stack_trace_print(addr, have_addr, count, modif, pr)
scp_offset = -(get_pc_str_offset() >> 2);
while (count-- && frame != NULL) {
db_expr_t offset;
char *name;
db_addr_t scp;
u_int32_t savecode;
int r;
u_int32_t *rp;
const char *sep;
/*
* In theory, the SCP isn't guaranteed to be in the function
@ -149,34 +148,35 @@ db_stack_trace_print(addr, have_addr, count, modif, pr)
scp = frame[FR_SCP];
#endif
db_find_sym_and_offset(scp, &name, &offset);
if (name == NULL)
name = "?";
(*pr)("%s", name);
(*pr)("(scp=0x%x(", frame[FR_SCP]);
db_printsym(scp, DB_STGY_PROC, pr);
(*pr)("), rlv=0x%x(", frame[FR_RLV]);
(*pr)("\n\t");
#ifdef PROG26
(*pr)("scp=0x%08x rlv=0x%08x (", scp, frame[FR_RLV] & R15_PC);
db_printsym(frame[FR_RLV] & R15_PC, DB_STGY_PROC, pr);
(*pr)(")\n");
#else
(*pr)("scp=0x%08x rlv=0x%08x (", scp, frame[FR_RLV]);
db_printsym(frame[FR_RLV], DB_STGY_PROC, pr);
(*pr)(")\n");
#endif
(*pr)("),\n\trsp=0x%x", frame[FR_RSP]);
(*pr)(", rfp=0x%x", frame[FR_RFP]);
(*pr)("\trsp=0x%08x rfp=0x%08x", frame[FR_RSP], frame[FR_RFP]);
savecode = ((u_int32_t *)scp)[scp_offset];
if ((savecode & 0x0e100000) == 0x08000000) {
/* Looks like an STM */
rp = frame - 4;
for (r = 10; r >= 0; r--)
if (savecode & (1 << r))
(*pr)(",%sr%d=0x%x",
(frame - rp) % 4 == 2 ?
"\n\t" : " ", r, *rp--);
sep = "\n\t";
for (r = 10; r >= 0; r--) {
if (savecode & (1 << r)) {
(*pr)("%sr%d=0x%08x",
sep, r, *rp--);
sep = (frame - rp) % 4 == 2 ?
"\n\t" : " ";
}
}
}
(*pr)(")\n");
(*pr)("\n");
/*
* Switch to next frame up