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Make `trace' useful even w/o symbols and add /f option to dump parameters.

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This commit is contained in:
eeh 2001-03-29 14:58:08 +00:00
parent d5de074946
commit cc5ddb2b20
1 changed files with 15 additions and 3 deletions
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18
sys/arch/powerpc/powerpc/db_trace.c
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@ -1,4 +1,4 @@
/* $NetBSD: db_trace.c,v 1.7 2001/02/04 17:38:11 briggs Exp $ */
/* $NetBSD: db_trace.c,v 1.8 2001/03/29 14:58:08 eeh Exp $ */
/* $OpenBSD: db_trace.c,v 1.3 1997/03/21 02:10:48 niklas Exp $ */
/*
@ -97,6 +97,7 @@ db_stack_trace_print(addr, have_addr, count, modif, pr)
char *symname;
boolean_t kernel_only = TRUE;
boolean_t trace_thread = FALSE;
boolean_t full = FALSE;
{
register char *cp = modif;
@ -107,11 +108,15 @@ db_stack_trace_print(addr, have_addr, count, modif, pr)
trace_thread = TRUE;
if (c == 'u')
kernel_only = FALSE;
if (c == 'f')
full = TRUE;
}
}
frame = (db_addr_t)ddb_regs.r[1];
while ((frame = *(db_addr_t *)frame) && count--) {
db_addr_t *args = (db_addr_t *)(frame + 8);
lr = *(db_addr_t *)(frame + 4) - 4;
if (lr & 3) {
(*pr)("saved LR(0x%x) is invalid.", lr);
@ -120,12 +125,19 @@ db_stack_trace_print(addr, have_addr, count, modif, pr)
if ((caller = (db_addr_t)vtophys(lr)) == 0)
caller = lr;
if (full)
/* Print all the args stored in that stackframe. */
printf("(%lx, %lx, %lx, %lx, %lx, %lx, %lx, %lx) %lx ",
args[0], args[1], args[2], args[3],
args[4], args[5], args[6], args[7], frame);
diff = 0;
symname = NULL;
sym = db_search_symbol(caller, DB_STGY_ANY, &diff);
db_symbol_values(sym, &symname, 0);
if (symname == NULL)
symname = "?";
(*pr)("at %s+%x\n", symname, diff);
(*pr)("at %p\n", caller);
else
(*pr)("at %s+%x\n", symname, diff);
}
}