misc/error.c

   1 /*
   2  * Log internal errors
   3  *
   4  * Copyright 1997 Andrew Taylor
   5  */
   6
   7 #include <stdlib.h>
   8 #include <stdio.h>
   9 #include <string.h>
  10
  11 #include "winbase.h"
  12 #include "windef.h"
  13 #include "stackframe.h"
  14 #include "debugtools.h"
  15
  16 #define ErrorString(manifest) { manifest, # manifest }
  17
  18 static const struct {
  19         int constant;
  20         const char *name;
  21 } ErrorStrings[] = {
  22
  23         ErrorString(ERR_GALLOC),
  24         ErrorString(ERR_GREALLOC),
  25         ErrorString(ERR_GLOCK),
  26         ErrorString(ERR_LALLOC),
  27         ErrorString(ERR_LREALLOC),
  28         ErrorString(ERR_LLOCK),
  29         ErrorString(ERR_ALLOCRES),
  30         ErrorString(ERR_LOCKRES),
  31         ErrorString(ERR_LOADMODULE),
  32         ErrorString(ERR_CREATEDLG),
  33         ErrorString(ERR_CREATEDLG2),
  34         ErrorString(ERR_REGISTERCLASS),
  35         ErrorString(ERR_DCBUSY),
  36         ErrorString(ERR_CREATEWND),
  37         ErrorString(ERR_STRUCEXTRA),
  38         ErrorString(ERR_LOADSTR),
  39         ErrorString(ERR_LOADMENU),
  40         ErrorString(ERR_NESTEDBEGINPAINT),
  41         ErrorString(ERR_BADINDEX),
  42         ErrorString(ERR_CREATEMENU),
  43         ErrorString(ERR_CREATEDC),
  44         ErrorString(ERR_CREATEMETA),
  45         ErrorString(ERR_DELOBJSELECTED),
  46         ErrorString(ERR_SELBITMAP)
  47 };
  48
  49 static const struct {
  50         int constant;
  51         const char *name;
  52 } ParamErrorStrings[] = {
  53
  54         ErrorString(ERR_BAD_VALUE),
  55         ErrorString(ERR_BAD_FLAGS),
  56         ErrorString(ERR_BAD_INDEX),
  57         ErrorString(ERR_BAD_DVALUE),
  58         ErrorString(ERR_BAD_DFLAGS),
  59         ErrorString(ERR_BAD_DINDEX),
  60         ErrorString(ERR_BAD_PTR),
  61         ErrorString(ERR_BAD_FUNC_PTR),
  62         ErrorString(ERR_BAD_SELECTOR),
  63         ErrorString(ERR_BAD_STRING_PTR),
  64         ErrorString(ERR_BAD_HANDLE),
  65         ErrorString(ERR_BAD_HINSTANCE),
  66         ErrorString(ERR_BAD_HMODULE),
  67         ErrorString(ERR_BAD_GLOBAL_HANDLE),
  68         ErrorString(ERR_BAD_LOCAL_HANDLE),
  69         ErrorString(ERR_BAD_ATOM),
  70         ErrorString(ERR_BAD_HFILE),
  71         ErrorString(ERR_BAD_HWND),
  72         ErrorString(ERR_BAD_HMENU),
  73         ErrorString(ERR_BAD_HCURSOR),
  74         ErrorString(ERR_BAD_HICON),
  75         ErrorString(ERR_BAD_HDWP),
  76         ErrorString(ERR_BAD_CID),
  77         ErrorString(ERR_BAD_HDRVR),
  78         ErrorString(ERR_BAD_COORDS),
  79         ErrorString(ERR_BAD_GDI_OBJECT),
  80         ErrorString(ERR_BAD_HDC),
  81         ErrorString(ERR_BAD_HPEN),
  82         ErrorString(ERR_BAD_HFONT),
  83         ErrorString(ERR_BAD_HBRUSH),
  84         ErrorString(ERR_BAD_HBITMAP),
  85         ErrorString(ERR_BAD_HRGN),
  86         ErrorString(ERR_BAD_HPALETTE),
  87         ErrorString(ERR_BAD_HMETAFILE)
  88 };
  89
  90 #undef  ErrorString
  91 #define ErrorStringCount (sizeof(ErrorStrings) / sizeof(ErrorStrings[0]))
  92 #define ParamErrorStringCount (sizeof(ParamErrorStrings) / sizeof(ParamErrorStrings[0]))
  93
  94 /***********************************************************************
  95 *       GetErrorString (internal)
  96 */
  97 static const char *GetErrorString(UINT16 uErr)
  98 {
  99   static char buffer[80];
 100   int i;
 101
 102   for (i = 0; i < ErrorStringCount; i++) {
 103     if (uErr == ErrorStrings[i].constant)
 104       return ErrorStrings[i].name;
 105   }
 106
 107   sprintf(buffer, "%x", uErr);
 108   return buffer;
 109 }
 110
 111
 112 /***********************************************************************
 113 *       GetParamErrorString (internal)
 114 */
 115 static const char *GetParamErrorString(UINT16 uErr) {
 116         static char buffer[80];
 117
 118         if (uErr & ERR_WARNING) {
 119                 strcpy(buffer, "ERR_WARNING | ");
 120                 uErr &= ~ERR_WARNING;
 121         } else
 122                 buffer[0] = '\0';
 123
 124         {
 125                 int i;
 126
 127                 for (i = 0; i < ParamErrorStringCount; i++) {
 128                         if (uErr == ParamErrorStrings[i].constant) {
 129                                 strcat(buffer, ParamErrorStrings[i].name);
 130                                 return buffer;
 131                         }
 132                 }
 133         }
 134
 135         sprintf(buffer + strlen(buffer), "%x", uErr);
 136         return buffer;
 137 }
 138
 139
 140 /***********************************************************************
 141 *       LogError (KERNEL.324)
 142 */
 143 VOID WINAPI LogError16(UINT16 uErr, LPVOID lpvInfo)
 144 {
 145         MESSAGE("(%s, %p)\n", GetErrorString(uErr), lpvInfo);
 146 }
 147
 148
 149 /***********************************************************************
 150 *       LogParamError (KERNEL.325)
 151 */
 152 void WINAPI LogParamError16(UINT16 uErr, FARPROC16 lpfn, LPVOID lpvParam)
 153 {
 154         /* FIXME: is it possible to get the module name/function
 155          * from the lpfn param?
 156          */
 157         MESSAGE("(%s, %p, %p)\n", GetParamErrorString(uErr), lpfn, lpvParam);
 158 }
 159
 160 /***********************************************************************
 161 *       HandleParamError (KERNEL.327)
 162 */
 163 void WINAPI HandleParamError( CONTEXT86 *context )
 164 {
 165         UINT16 uErr = BX_reg( context );
 166         FARPROC16 lpfn = (FARPROC16)PTR_SEG_OFF_TO_SEGPTR( CS_reg(context),
 167                                                            EIP_reg(context) );
 168         LPVOID lpvParam = (LPVOID)MAKELONG( AX_reg( context ),
 169                                             CX_reg( context ) );
 170
 171         LogParamError16( uErr, lpfn, lpvParam );
 172
 173         if (!(uErr & ERR_WARNING))
 174         {
 175                 /* Abort current procedure: Unwind stack frame and jump
 176                    to error handler (location at [bp-2]) */
 177
 178                 WORD *stack = PTR_SEG_OFF_TO_LIN( SS_reg( context ),
 179                                                   LOWORD(EBP_reg( context )) );
 180                 ESP_reg( context ) = LOWORD(EBP_reg( context )) - 2;
 181                 EBP_reg( context ) = stack[0] & 0xfffe;
 182
 183                 EIP_reg( context ) = stack[-1];
 184
 185                 EAX_reg( context ) = ECX_reg( context ) = EDX_reg( context ) = 0;
 186                 ES_reg( context) = 0;
 187         }
 188 }
 189