mirror of https://github.com/acidanthera/audk.git
151 lines
4.2 KiB
C
151 lines
4.2 KiB
C
/**@file
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Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
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Portions copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
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Portions copyright (c) 2011 - 2012, ARM Ltd. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiDxe.h>
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#include <Library/PeCoffLib.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/PeCoffExtraActionLib.h>
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#include <Library/SemihostLib.h>
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#include <Library/PrintLib.h>
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/**
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Append string to debugger script file, create file if needed.
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This library can show up in mulitple places so we need to append the file every time we write to it.
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For example Sec can use this to load the DXE core, and the DXE core would use this to load all the
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other modules. So we have two instances of the library in the system.
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@param Buffer Buffer to write to file.
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@param Length Length of Buffer in bytes.
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**/
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VOID
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WriteStringToFile (
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IN VOID *Buffer,
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IN UINT32 Length
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)
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{
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// Working around and issue with the code that is commented out. For now send it to the console.
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// You can copy the console into a file and source the file as a script and you get symbols.
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// This gets you all the symbols except for SEC. To get SEC symbols you need to copy the
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// debug print in the SEC into the debugger manually
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SemihostWriteString (Buffer);
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/*
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I'm currently having issues with this code crashing the debugger. Seems like it should work.
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UINT32 SemihostHandle;
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UINT32 SemihostMode = SEMIHOST_FILE_MODE_WRITE | SEMIHOST_FILE_MODE_BINARY | SEMIHOST_FILE_MODE_UPDATE;
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SemihostFileOpen ("c:\rvi_symbols.inc", SemihostMode, &SemihostHandle);
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SemihostFileWrite (SemihostHandle, &Length, Buffer);
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SemihostFileClose (SemihostHandle);
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*/
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}
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/**
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If the build is done on cygwin the paths are cygpaths.
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/cygdrive/c/tmp.txt vs c:\tmp.txt so we need to convert
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them to work with RVD commands
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@param Name Path to convert if needed
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**/
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CHAR8 *
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DeCygwinPathIfNeeded (
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IN CHAR8 *Name
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)
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{
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CHAR8 *Ptr;
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UINTN Index;
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UINTN Len;
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Ptr = AsciiStrStr (Name, "/cygdrive/");
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if (Ptr == NULL) {
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return Name;
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}
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Len = AsciiStrLen (Ptr);
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// convert "/cygdrive" to spaces
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for (Index = 0; Index < 9; Index++) {
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Ptr[Index] = ' ';
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}
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// convert /c to c:
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Ptr[9] = Ptr[10];
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Ptr[10] = ':';
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// switch path separators
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for (Index = 11; Index < Len; Index++) {
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if (Ptr[Index] == '/') {
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Ptr[Index] = '\\' ;
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}
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}
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return Name;
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}
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/**
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Performs additional actions after a PE/COFF image has been loaded and relocated.
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If ImageContext is NULL, then ASSERT().
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@param ImageContext Pointer to the image context structure that describes the
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PE/COFF image that has already been loaded and relocated.
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**/
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VOID
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EFIAPI
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PeCoffLoaderRelocateImageExtraAction (
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IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
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)
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{
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CHAR8 Buffer[256];
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#if (__ARMCC_VERSION < 500000)
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AsciiSPrint (Buffer, sizeof(Buffer), "load /a /ni /np \"%a\" &0x%08x\n", ImageContext->PdbPointer, (UINTN)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders));
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#else
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AsciiSPrint (Buffer, sizeof(Buffer), "add-symbol-file %a 0x%08x\n", ImageContext->PdbPointer, (UINTN)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders));
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#endif
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DeCygwinPathIfNeeded (&Buffer[16]);
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WriteStringToFile (Buffer, AsciiStrSize (Buffer));
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}
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/**
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Performs additional actions just before a PE/COFF image is unloaded. Any resources
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that were allocated by PeCoffLoaderRelocateImageExtraAction() must be freed.
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If ImageContext is NULL, then ASSERT().
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@param ImageContext Pointer to the image context structure that describes the
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PE/COFF image that is being unloaded.
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**/
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VOID
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EFIAPI
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PeCoffLoaderUnloadImageExtraAction (
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IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
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)
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{
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CHAR8 Buffer[256];
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AsciiSPrint (Buffer, sizeof(Buffer), "unload symbols_only \"%a\"\n", ImageContext->PdbPointer);
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DeCygwinPathIfNeeded (Buffer);
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WriteStringToFile (Buffer, AsciiStrSize (Buffer));
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}
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