gdb_machdep.c

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    1 /*-
    2  * Copyright (c) 2004 Marcel Moolenaar
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  *
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD$");
   29 
   30 #include <sys/param.h>
   31 #include <sys/systm.h>
   32 #include <sys/kdb.h>
   33 #include <sys/kernel.h>
   34 #include <sys/signal.h>
   35 
   36 #include <machine/asm.h>
   37 #include <machine/gdb_machdep.h>
   38 #include <machine/pcb.h>
   39 #include <machine/reg.h>
   40 
   41 #include <gdb/gdb.h>
   42 
   43 void *
   44 gdb_cpu_getreg(int regnum, size_t *regsz)
   45 {
   46         static uint64_t synth;
   47 
   48         *regsz = gdb_cpu_regsz(regnum);
   49         switch (regnum) {
   50                 /* 0-7: g0-g7 */
   51                 /* 8-15: o0-o7 */
   52         case 14:
   53                 synth = kdb_thrctx->pcb_sp - CCFSZ;
   54                 return (&synth);
   55                 /* 16-23: l0-l7 */
   56                 /* 24-31: i0-i7 */
   57         case 30: return (&kdb_thrctx->pcb_sp);
   58                 /* 32-63: f0-f31 */
   59                 /* 64-79: f32-f62 (16 double FP) */     
   60         case 80: return (&kdb_thrctx->pcb_pc);
   61         }
   62         return (NULL);
   63 }
   64 
   65 void
   66 gdb_cpu_setreg(int regnum, void *val)
   67 {
   68         switch (regnum) {
   69         }
   70 }

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FreeBSD/Linux Kernel Cross Reference sys/sparc64/sparc64/gdb_machdep.c

FreeBSD/Linux Kernel Cross Reference
sys/sparc64/sparc64/gdb_machdep.c