diff options
Diffstat (limited to 'sys/arch/mvmeppc/ddb/db_trace.c')
| -rw-r--r-- | sys/arch/mvmeppc/ddb/db_trace.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/sys/arch/mvmeppc/ddb/db_trace.c b/sys/arch/mvmeppc/ddb/db_trace.c deleted file mode 100644 index 1eda17fbb62..00000000000 --- a/sys/arch/mvmeppc/ddb/db_trace.c +++ /dev/null @@ -1,171 +0,0 @@ -/* $OpenBSD: db_trace.c,v 1.2 2002/05/18 09:49:17 art Exp $ */ - -/* - * Mach Operating System - * Copyright (c) 1992 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ - -#include <sys/param.h> -#include <sys/proc.h> - -#include <machine/db_machdep.h> -#include <machine/signal.h> - -#include <ddb/db_access.h> -#include <ddb/db_sym.h> -#include <ddb/db_variables.h> - -struct db_variable db_regs[] = { - { "r0", (long *)&ddb_regs.r[0], FCN_NULL }, - { "r1", (long *)&ddb_regs.r[1], FCN_NULL }, - { "r2", (long *)&ddb_regs.r[2], FCN_NULL }, - { "r3", (long *)&ddb_regs.r[3], FCN_NULL }, - { "r4", (long *)&ddb_regs.r[4], FCN_NULL }, - { "r5", (long *)&ddb_regs.r[5], FCN_NULL }, - { "r6", (long *)&ddb_regs.r[6], FCN_NULL }, - { "r7", (long *)&ddb_regs.r[7], FCN_NULL }, - { "r8", (long *)&ddb_regs.r[8], FCN_NULL }, - { "r9", (long *)&ddb_regs.r[9], FCN_NULL }, - { "r10", (long *)&ddb_regs.r[10], FCN_NULL }, - { "r11", (long *)&ddb_regs.r[11], FCN_NULL }, - { "r12", (long *)&ddb_regs.r[12], FCN_NULL }, - { "r13", (long *)&ddb_regs.r[13], FCN_NULL }, - { "r14", (long *)&ddb_regs.r[14], FCN_NULL }, - { "r15", (long *)&ddb_regs.r[15], FCN_NULL }, - { "r16", (long *)&ddb_regs.r[16], FCN_NULL }, - { "r17", (long *)&ddb_regs.r[17], FCN_NULL }, - { "r18", (long *)&ddb_regs.r[18], FCN_NULL }, - { "r19", (long *)&ddb_regs.r[19], FCN_NULL }, - { "r20", (long *)&ddb_regs.r[20], FCN_NULL }, - { "r21", (long *)&ddb_regs.r[21], FCN_NULL }, - { "r22", (long *)&ddb_regs.r[22], FCN_NULL }, - { "r23", (long *)&ddb_regs.r[23], FCN_NULL }, - { "r24", (long *)&ddb_regs.r[24], FCN_NULL }, - { "r25", (long *)&ddb_regs.r[25], FCN_NULL }, - { "r26", (long *)&ddb_regs.r[26], FCN_NULL }, - { "r27", (long *)&ddb_regs.r[27], FCN_NULL }, - { "r28", (long *)&ddb_regs.r[28], FCN_NULL }, - { "r29", (long *)&ddb_regs.r[29], FCN_NULL }, - { "r30", (long *)&ddb_regs.r[30], FCN_NULL }, - { "r31", (long *)&ddb_regs.r[31], FCN_NULL }, - { "iar", (long *)&ddb_regs.iar, FCN_NULL }, - { "msr", (long *)&ddb_regs.msr, FCN_NULL }, -}; - -struct db_variable *db_eregs = db_regs + sizeof(db_regs)/sizeof(db_regs[0]); - -extern label_t *db_recover; - -/* - * this is probably hackery. - */ -void -db_save_regs(struct trapframe *frame) -{ - bcopy(frame->fixreg, DDB_REGS->r, 32 * sizeof(u_int32_t)); - DDB_REGS->iar = frame->srr0; - DDB_REGS->msr = frame->srr1; -} - -db_expr_t -db_dumpframe (u_int32_t pframe, int (*pr)(const char *, ...)) -{ - u_int32_t nextframe; - u_int32_t lr; - u_int32_t *access; - int error; - - access = (u_int32_t *)(pframe); - nextframe = *access; - - access = (u_int32_t *)(pframe+4); - lr = *access; - - (*pr)("lr %x fp %x nfp %x\n", lr, pframe, nextframe); - - return nextframe; -} -/* - * Frame tracing. - */ -void -db_stack_trace_print(addr, have_addr, count, modif, pr) - db_expr_t addr; - int have_addr; - db_expr_t count; - char *modif; - int (*pr)(const char *, ...); -{ - db_addr_t frame, lr, caller; - db_expr_t diff; - db_sym_t sym; - char *symname; - boolean_t kernel_only = TRUE; - boolean_t trace_thread = FALSE; - boolean_t full = FALSE; - - { - register char *cp = modif; - register char c; - - while ((c = *cp++) != 0) { - if (c == 't') - 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) || (lr < 0x10000)) { - (*pr)("saved LR(0x%x) is invalid.", lr); - break; - } - if ((caller = (db_addr_t)vtophys(lr)) == 0) - caller = lr; - - - diff = 0; - symname = NULL; - sym = db_search_symbol(caller, DB_STGY_ANY, &diff); - db_symbol_values(sym, &symname, 0); - if (symname == NULL) - (*pr)("%p ", caller); - else - (*pr)("%s+%x ", symname, diff); - if (full) - /* Print all the args stored in that stackframe. */ - (*pr)(" (%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); - (*pr)("\n"); - } -} - |