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619b3998 | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
4 | \r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include <Uefi.h>\r | |
16 | #include <Library/PeCoffGetEntryPointLib.h>\r | |
17 | #include <Library/UefiLib.h>\r | |
18 | \r | |
19 | #include <Guid/DebugImageInfoTable.h>\r | |
20 | \r | |
21 | extern EFI_DEBUG_IMAGE_INFO_TABLE_HEADER *gDebugImageTableHeader;\r | |
22 | \r | |
23 | /**\r | |
24 | The constructor function caches EFI Debug table information for use in the exception handler.\r | |
25 | \r | |
26 | \r | |
27 | @param ImageHandle The firmware allocated handle for the EFI image.\r | |
28 | @param SystemTable A pointer to the EFI System Table.\r | |
29 | \r | |
30 | @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.\r | |
31 | \r | |
32 | **/\r | |
33 | EFI_STATUS\r | |
34 | EFIAPI\r | |
35 | DefaultExceptionHandlerConstructor (\r | |
36 | IN EFI_HANDLE ImageHandle,\r | |
37 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
38 | )\r | |
39 | {\r | |
40 | EFI_STATUS Status;\r | |
41 | \r | |
42 | Status = EfiGetSystemConfigurationTable (&gEfiDebugImageInfoTableGuid, (VOID **)&gDebugImageTableHeader);\r | |
43 | if (EFI_ERROR (Status)) {\r | |
44 | gDebugImageTableHeader = NULL;\r | |
45 | }\r | |
46 | return Status;\r | |
47 | }\r | |
48 | \r | |
49 | /**\r | |
50 | Use the EFI Debug Image Table to lookup the FaultAddress and find which PE/COFF image\r | |
51 | it came from. As long as the PE/COFF image contains a debug directory entry a\r | |
52 | string can be returned. For ELF and Mach-O images the string points to the Mach-O or ELF\r | |
53 | image. Microsoft tools contain a pointer to the PDB file that contains the debug information.\r | |
54 | \r | |
55 | @param FaultAddress Address to find PE/COFF image for.\r | |
56 | @param ImageBase Return load address of found image\r | |
57 | @param PeCoffSizeOfHeaders Return the size of the PE/COFF header for the image that was found\r | |
58 | \r | |
59 | @retval NULL FaultAddress not in a loaded PE/COFF image.\r | |
60 | @retval Path and file name of PE/COFF image.\r | |
61 | \r | |
62 | **/\r | |
63 | CHAR8 *\r | |
64 | GetImageName (\r | |
c63626b7 | 65 | IN UINTN FaultAddress,\r |
66 | OUT UINTN *ImageBase,\r | |
67 | OUT UINTN *PeCoffSizeOfHeaders\r | |
619b3998 | 68 | )\r |
69 | {\r | |
70 | EFI_DEBUG_IMAGE_INFO *DebugTable;\r | |
71 | UINTN Entry;\r | |
72 | CHAR8 *Address;\r | |
73 | \r | |
74 | DebugTable = gDebugImageTableHeader->EfiDebugImageInfoTable;\r | |
75 | if (DebugTable == NULL) {\r | |
76 | return NULL;\r | |
77 | }\r | |
78 | \r | |
79 | Address = (CHAR8 *)(UINTN)FaultAddress;\r | |
80 | for (Entry = 0; Entry < gDebugImageTableHeader->TableSize; Entry++, DebugTable++) {\r | |
81 | if (DebugTable->NormalImage != NULL) {\r | |
82 | if ((DebugTable->NormalImage->ImageInfoType == EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL) &&\r | |
83 | (DebugTable->NormalImage->LoadedImageProtocolInstance != NULL)) {\r | |
84 | if ((Address >= (CHAR8 *)DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase) &&\r | |
85 | (Address <= ((CHAR8 *)DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase + DebugTable->NormalImage->LoadedImageProtocolInstance->ImageSize))) {\r | |
c63626b7 | 86 | *ImageBase = (UINTN)DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase;\r |
619b3998 | 87 | *PeCoffSizeOfHeaders = PeCoffGetSizeOfHeaders ((VOID *)(UINTN)*ImageBase);\r |
88 | return PeCoffLoaderGetPdbPointer (DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase);\r | |
89 | }\r | |
90 | }\r | |
91 | }\r | |
92 | }\r | |
93 | \r | |
94 | return NULL;\r | |
95 | }\r | |
c63626b7 | 96 | \r |