db_trace.c

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    1 /*-
    2  * Copyright (c) 2004-2005, Juniper Networks, Inc.
    3  * All rights reserved.
    4  *
    5  *      JNPR: db_trace.c,v 1.8 2007/08/09 11:23:32 katta
    6  */
    7 
    8 #include <sys/cdefs.h>
    9 __FBSDID("$FreeBSD: releng/8.0/sys/mips/mips/db_trace.c 178172 2008-04-13 07:27:37Z imp $");
   10 
   11 #include <sys/param.h>
   12 #include <sys/systm.h>
   13 #include <sys/kdb.h>
   14 #include <sys/proc.h>
   15 #include <sys/stack.h>
   16 #include <sys/sysent.h>
   17 
   18 #include <machine/db_machdep.h>
   19 #include <machine/md_var.h>
   20 #include <machine/pcb.h>
   21 
   22 #include <ddb/ddb.h>
   23 
   24 int
   25 db_md_set_watchpoint(db_expr_t addr, db_expr_t size)
   26 {
   27 
   28         return(0);
   29 }
   30 
   31 
   32 int
   33 db_md_clr_watchpoint( db_expr_t addr, db_expr_t size)
   34 {
   35 
   36         return(0);
   37 }
   38 
   39 
   40 void
   41 db_md_list_watchpoints()
   42 {
   43 }
   44 
   45 static int
   46 db_backtrace(struct thread *td, db_addr_t frame, int count)
   47 {
   48         stacktrace_subr((struct trapframe *)frame,
   49             (int (*) (const char *, ...))db_printf);
   50         return (0);
   51 }
   52 
   53 void
   54 db_trace_self(void)
   55 {
   56         db_trace_thread (curthread, -1);
   57         return;
   58 }
   59 
   60 int
   61 db_trace_thread(struct thread *thr, int count)
   62 {
   63         struct pcb *ctx;
   64 
   65         ctx = kdb_thr_ctx(thr);
   66         return (db_backtrace(thr, (db_addr_t) &ctx->pcb_regs, count));
   67 }
   68 
   69 void
   70 db_show_mdpcpu(struct pcpu *pc)
   71 {
   72 
   73         db_printf("ipis     = 0x%x\n", pc->pc_pending_ipis);
   74         db_printf("next ASID    = %d\n", pc->pc_next_asid);
   75         db_printf("GENID            = %d\n", pc->pc_asid_generation);
   76         return;
   77 }

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FreeBSD/Linux Kernel Cross Reference sys/mips/mips/db_trace.c

FreeBSD/Linux Kernel Cross Reference
sys/mips/mips/db_trace.c