dlls/dbghelp/cpu_sparc.c

   1 /*
   2  * File cpu_sparc.c
   3  *
   4  * Copyright (C) 2009-2009, Eric Pouech
   5  * Copyright (C) 2010, Austin English
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <assert.h>
  23
  24 #include "ntstatus.h"
  25 #define WIN32_NO_STATUS
  26 #include "dbghelp_private.h"
  27 #include "winternl.h"
  28 #include "wine/debug.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
  31
  32 static unsigned sparc_get_addr(HANDLE hThread, const CONTEXT* ctx,
  33                              enum cpu_addr ca, ADDRESS64* addr)
  34 {
  35     addr->Mode    = AddrModeFlat;
  36     addr->Segment = 0; /* don't need segment */
  37     switch (ca)
  38     {
  39 #ifdef __sparc__
  40     case cpu_addr_pc:    addr->Offset = ctx->pc; return TRUE;
  41     case cpu_addr_stack: addr->Offset = ctx->o6; return TRUE;
  42     case cpu_addr_frame: addr->Offset = ctx->i6; return TRUE;
  43 #endif
  44     default: addr->Mode = -1;
  45         return FALSE;
  46     }
  47 }
  48
  49 static BOOL sparc_stack_walk(struct cpu_stack_walk* csw, LPSTACKFRAME64 frame, CONTEXT* context)
  50 {
  51     FIXME("not done for Sparc\n");
  52     return FALSE;
  53 }
  54
  55 static unsigned sparc_map_dwarf_register(unsigned regno)
  56 {
  57     if (regno <= 7)
  58         return CV_SPARC_G0 + regno;
  59     else if (regno >= 8 && regno <= 15)
  60         return CV_SPARC_O0 + regno - 8;
  61     else if (regno >= 16 && regno <= 23)
  62         return CV_SPARC_L0 + regno - 16;
  63     else if (regno >= 24 && regno <= 31)
  64         return CV_SPARC_I0 + regno - 24;
  65
  66     FIXME("Don't know how to map register %d\n", regno);
  67     return CV_SPARC_NOREG;
  68 }
  69
  70 static void* sparc_fetch_context_reg(CONTEXT* ctx, unsigned regno, unsigned* size)
  71 {
  72     FIXME("not done for Sparc\n");
  73     return NULL;
  74 }
  75
  76 static const char* sparc_fetch_regname(unsigned regno)
  77 {
  78     FIXME("Unknown register %x\n", regno);
  79     return NULL;
  80 }
  81
  82 DECLSPEC_HIDDEN struct cpu cpu_sparc = {
  83     IMAGE_FILE_MACHINE_SPARC,
  84     4,
  85     CV_REG_NONE, /* FIXME */
  86     sparc_get_addr,
  87     sparc_stack_walk,
  88     NULL,
  89     sparc_map_dwarf_register,
  90     sparc_fetch_context_reg,
  91     sparc_fetch_regname,
  92 };