1 /**@file 2 3 Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> 4 Portions copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR> 5 Portions copyright (c) 2011 - 2012, ARM Ltd. All rights reserved.<BR> 6 7 SPDX-License-Identifier: BSD-2-Clause-Patent 8 9 **/ 10 11 #include <PiDxe.h> 12 #include <Library/PeCoffLib.h> 13 14 #include <Library/BaseLib.h> 15 #include <Library/DebugLib.h> 16 #include <Library/BaseMemoryLib.h> 17 #include <Library/PeCoffExtraActionLib.h> 18 #include <Library/SemihostLib.h> 19 #include <Library/PrintLib.h> 20 21 /** 22 Append string to debugger script file, create file if needed. 23 24 This library can show up in multiple places so we need to append the file every time we write to it. 25 For example Sec can use this to load the DXE core, and the DXE core would use this to load all the 26 other modules. So we have two instances of the library in the system. 27 28 @param Buffer Buffer to write to file. 29 @param Length Length of Buffer in bytes. 30 **/ 31 VOID 32 WriteStringToFile ( 33 IN VOID *Buffer, 34 IN UINT32 Length 35 ) 36 { 37 // Working around and issue with the code that is commented out. For now send it to the console. 38 // You can copy the console into a file and source the file as a script and you get symbols. 39 // This gets you all the symbols except for SEC. To get SEC symbols you need to copy the 40 // debug print in the SEC into the debugger manually 41 SemihostWriteString (Buffer); 42 /* 43 I'm currently having issues with this code crashing the debugger. Seems like it should work. 44 45 UINT32 SemihostHandle; 46 UINT32 SemihostMode = SEMIHOST_FILE_MODE_WRITE | SEMIHOST_FILE_MODE_BINARY | SEMIHOST_FILE_MODE_UPDATE; 47 48 SemihostFileOpen ("c:\rvi_symbols.inc", SemihostMode, &SemihostHandle); 49 SemihostFileWrite (SemihostHandle, &Length, Buffer); 50 SemihostFileClose (SemihostHandle); 51 */ 52 } 53 54 55 /** 56 If the build is done on cygwin the paths are cygpaths. 57 /cygdrive/c/tmp.txt vs c:\tmp.txt so we need to convert 58 them to work with RVD commands 59 60 @param Name Path to convert if needed 61 62 **/ 63 CHAR8 * 64 DeCygwinPathIfNeeded ( 65 IN CHAR8 *Name 66 ) 67 { 68 CHAR8 *Ptr; 69 UINTN Index; 70 UINTN Len; 71 72 Ptr = AsciiStrStr (Name, "/cygdrive/"); 73 if (Ptr == NULL) { 74 return Name; 75 } 76 77 Len = AsciiStrLen (Ptr); 78 79 // convert "/cygdrive" to spaces 80 for (Index = 0; Index < 9; Index++) { 81 Ptr[Index] = ' '; 82 } 83 84 // convert /c to c: 85 Ptr[9] = Ptr[10]; 86 Ptr[10] = ':'; 87 88 // switch path separators 89 for (Index = 11; Index < Len; Index++) { 90 if (Ptr[Index] == '/') { 91 Ptr[Index] = '\\' ; 92 } 93 } 94 95 return Name; 96 } 97 98 99 /** 100 Performs additional actions after a PE/COFF image has been loaded and relocated. 101 102 If ImageContext is NULL, then ASSERT(). 103 104 @param ImageContext Pointer to the image context structure that describes the 105 PE/COFF image that has already been loaded and relocated. 106 107 **/ 108 VOID 109 EFIAPI 110 PeCoffLoaderRelocateImageExtraAction ( 111 IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext 112 ) 113 { 114 CHAR8 Buffer[256]; 115 116 #if (__ARMCC_VERSION < 500000) 117 AsciiSPrint (Buffer, sizeof(Buffer), "load /a /ni /np \"%a\" &0x%08x\n", ImageContext->PdbPointer, (UINTN)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders)); 118 #else 119 AsciiSPrint (Buffer, sizeof(Buffer), "add-symbol-file %a 0x%08x\n", ImageContext->PdbPointer, (UINTN)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders)); 120 #endif 121 DeCygwinPathIfNeeded (&Buffer[16]); 122 123 WriteStringToFile (Buffer, AsciiStrSize (Buffer)); 124 } 125 126 127 128 /** 129 Performs additional actions just before a PE/COFF image is unloaded. Any resources 130 that were allocated by PeCoffLoaderRelocateImageExtraAction() must be freed. 131 132 If ImageContext is NULL, then ASSERT(). 133 134 @param ImageContext Pointer to the image context structure that describes the 135 PE/COFF image that is being unloaded. 136 137 **/ 138 VOID 139 EFIAPI 140 PeCoffLoaderUnloadImageExtraAction ( 141 IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext 142 ) 143 { 144 CHAR8 Buffer[256]; 145 146 AsciiSPrint (Buffer, sizeof(Buffer), "unload symbols_only \"%a\"\n", ImageContext->PdbPointer); 147 DeCygwinPathIfNeeded (Buffer); 148 149 WriteStringToFile (Buffer, AsciiStrSize (Buffer)); 150 } 151