src/stackvma-win32.c

   1 /* Determine the virtual memory area of a given address.  Win32 version.
   2    Copyright (C) 2002  Bruno Haible <bruno@clisp.org>
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software Foundation,
  16    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  17
  18 #include "stackvma.h"
  19 #include <windows.h>
  20 #include <stdio.h>
  21
  22 static void DumpProcessMemoryMap()
  23 {
  24   MEMORY_BASIC_INFORMATION info;
  25   unsigned long address = 0;
  26   printf("Memory dump:\n");
  27   while (VirtualQuery((void*)address,&info,sizeof(info)) == sizeof(info))
  28     {
  29       /* Always info.BaseAddress = address.  */
  30       switch (info.State)
  31         {
  32         case MEM_FREE:    printf("-"); break;
  33         case MEM_RESERVE: printf("+"); break;
  34         case MEM_COMMIT:  printf("*"); break;
  35         default: printf("?"); break;
  36         }
  37       printf(" 0x%lx - 0x%lx",
  38              (unsigned long)info.BaseAddress,
  39              (unsigned long)info.BaseAddress+info.RegionSize-1);
  40       if (info.State != MEM_FREE)
  41         {
  42           printf(" (0x%lx) ",(unsigned long)info.AllocationBase);
  43           /* info.AllocationProtect is apparently irrelevant.  */
  44           switch (info.Protect & ~(PAGE_GUARD|PAGE_NOCACHE))
  45             {
  46             case PAGE_READONLY:          printf(" R  "); break;
  47             case PAGE_READWRITE:         printf(" RW "); break;
  48             case PAGE_WRITECOPY:         printf(" RWC"); break;
  49             case PAGE_EXECUTE:           printf("X   "); break;
  50             case PAGE_EXECUTE_READ:      printf("XR  "); break;
  51             case PAGE_EXECUTE_READWRITE: printf("XRW "); break;
  52             case PAGE_EXECUTE_WRITECOPY: printf("XRWC"); break;
  53             case PAGE_NOACCESS:          printf("----"); break;
  54             default: printf("?"); break;
  55             }
  56           if (info.Protect & PAGE_GUARD)
  57             printf(" PAGE_GUARD");
  58           if (info.Protect & PAGE_NOCACHE)
  59             printf(" PAGE_NOCACHE");
  60           printf(" ");
  61           switch (info.Type)
  62             {
  63             case MEM_IMAGE:   printf("MEM_IMAGE"); break;
  64             case MEM_MAPPED:  printf("MEM_MAPPED"); break;
  65             case MEM_PRIVATE: printf("MEM_PRIVATE"); break;
  66             default:          printf("MEM_?"); break;
  67             }
  68         }
  69       printf("\n");
  70       address = (unsigned long)info.BaseAddress + info.RegionSize;
  71     }
  72   printf("End of memory dump.\n");
  73 }
  74
  75 int
  76 sigsegv_get_vma (unsigned long address, struct vma_struct *vma)
  77 {
  78   DumpProcessMemoryMap();
  79   return -1;
  80 }