rom/debug/debug_init.c

   1 #include <aros/config.h>
   2 #include <aros/debug.h>
   3 #include <aros/kernel.h>
   4 #include <aros/symbolsets.h>
   5 #include <proto/exec.h>
   6 #include <proto/kernel.h>
   7
   8 #include <inttypes.h>
   9
  10 #include "debug_intern.h"
  11
  12 /*
  13  * A horrible hack. It works only under UNIX.
  14  * TODO: rewrite all this crap and provide C subroutines will well
  15  * defined API to call them from gdb for debug info lookup. This would
  16  * remove a requirement to rewrite _gdbinit every time when something
  17  * changes in this library.
  18  */
  19 #ifndef HOST_OS_unix
  20 #undef AROS_MODULES_DEBUG
  21 #endif
  22
  23 #if AROS_MODULES_DEBUG
  24 #include "../../arch/all-unix/kernel/hostinterface.h"
  25 #endif
  26
  27 static int Debug_Init(struct DebugBase *DebugBase)
  28 {
  29     struct TagItem *bootMsg;
  30 #if AROS_MODULES_DEBUG
  31     struct HostInterface *HostIFace;
  32 #endif
  33
  34     KernelBase = OpenResource("kernel.resource");
  35     if (!KernelBase)
  36         return FALSE;
  37
  38     NEWLIST(&DebugBase->db_Modules);
  39     InitSemaphore(&DebugBase->db_ModSem);
  40
  41     bootMsg = KrnGetBootInfo();
  42     DebugBase->db_KernelModules = (struct ELF_ModuleInfo *)LibGetTagData(KRN_DebugInfo, 0, bootMsg);
  43
  44 #if AROS_MODULES_DEBUG
  45     HostIFace = (APTR)LibGetTagData(KRN_HostInterface, 0, bootMsg);
  46     /*
  47      * Provide a pointer to our modules list to the bootstrap.
  48      * This is needed because gdb is actually debugging bootstrap
  49      * and it can read debug information only from there
  50      */
  51     if (HostIFace && HostIFace->ModListPtr)
  52         *HostIFace->ModListPtr = &DebugBase->db_Modules;
  53 #endif
  54
  55     D(bug("[Debug] Debug_Init() done\n"));
  56     return 1;
  57 }
  58
  59 ADD2INITLIB(Debug_Init, 0)