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Mike Crowe
990e3e81e6
Convert the line endings stored for all text files in the repository to LF. The majority previously used DOS-style CRLF line endings. Add a .gitattributes file to enforce this and treat certain extensions as never being text files. Update PatchCheck.py to insist on LF line endings rather than CRLF. However, its other checks fail on this commit due to lots of pre-existing complaints that it only notices because the line endings have changed. Silicon/QemuSocPkg/FspBin/Patches/0001-Build-QEMU-FSP-2.0-binaries.patch needs to be treated as binary since it contains a mixture of line endings. This change has implications depending on the client platform you are using the repository from: * Windows The usual configuration for Git on Windows means that text files will be checked out to the work tree with DOS-style CRLF line endings. If that's not the case then you can configure Git to do so for the entire machine with: git config --global core.autocrlf true or for just the repository with: git config core.autocrlf true Line endings will be normalised to LF when they are committed to the repository. If you commit a text file with only LF line endings then it will be converted to CRLF line endings in your work tree. * Linux, MacOS and other Unices The usual configuration for Git on such platforms is to check files out of the repository with LF line endings. This is probably the right thing for you. In the unlikely even that you are using Git on Unix but editing or compiling on Windows for some reason then you may need to tweak your configuration to force the use of CRLF line endings as described above. * General For more information see https://docs.github.com/en/get-started/getting-started-with-git/configuring-git-to-handle-line-endings . Fixes: https://github.com/slimbootloader/slimbootloader/issues/1400 Signed-off-by: Mike Crowe <mac@mcrowe.com>
140 lines
4.0 KiB
C
140 lines
4.0 KiB
C
/** @file
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ELF library
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Copyright (c) 2018 - 2021, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __ELF_LIB_H__
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#define __ELF_LIB_H__
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#include <PiPei.h>
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#include <IndustryStandard/PeImage.h>
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#define ELF_CLASS32 1
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#define ELF_CLASS64 2
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#define ELF_PT_LOAD 1
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typedef struct {
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RETURN_STATUS ParseStatus; ///< Return the status after ParseElfImage().
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UINT8 *FileBase; ///< The source location in memory.
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UINTN FileSize; ///< The size including sections that don't require loading.
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UINT8 *PreferredImageAddress; ///< The preferred image to be loaded. No relocation is needed if loaded to this address.
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BOOLEAN ReloadRequired; ///< The image needs a new memory location for running.
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UINT8 *ImageAddress; ///< The destination memory address set by caller.
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UINTN ImageSize; ///< The memory size for loading and execution.
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UINT32 EiClass;
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UINT32 ShNum;
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UINT32 PhNum;
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UINTN ShStrOff;
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UINTN ShStrLen;
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UINTN EntryPoint; ///< Return the actual entry point after LoadElfImage().
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} ELF_IMAGE_CONTEXT;
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typedef struct {
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UINT32 PtType;
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UINTN Offset;
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UINTN Length;
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UINTN MemLen;
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UINTN MemAddr;
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UINTN Alignment;
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} SEGMENT_INFO;
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/**
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Check if the ELF image is valid.
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@param[in] ImageBase Memory address of an image.
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@retval TRUE if valid.
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**/
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BOOLEAN
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EFIAPI
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IsElfFormat (
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IN CONST UINT8 *ImageBase
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);
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/**
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Parse the ELF image info.
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@param[in] ImageBase Memory address of an image.
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@param[out] ElfCt The EFL image context pointer.
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@retval EFI_INVALID_PARAMETER Input parameters are not valid.
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@retval EFI_UNSUPPORTED Unsupported binary type.
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@retval EFI_LOAD_ERROR ELF binary loading error.
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@retval EFI_SUCCESS ELF binary is loaded successfully.
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**/
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EFI_STATUS
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EFIAPI
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ParseElfImage (
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IN VOID *ImageBase,
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OUT ELF_IMAGE_CONTEXT *ElfCt
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);
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/**
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Load the ELF segments to specified address in ELF header.
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This function loads ELF image segments into memory address specified
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in ELF program header.
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@param[in] ElfCt ELF image context pointer.
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@retval EFI_INVALID_PARAMETER Input parameters are not valid.
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@retval EFI_UNSUPPORTED Unsupported binary type.
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@retval EFI_LOAD_ERROR ELF binary loading error.
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@retval EFI_SUCCESS ELF binary is loaded successfully.
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**/
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EFI_STATUS
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EFIAPI
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LoadElfImage (
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IN ELF_IMAGE_CONTEXT *ElfCt
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);
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/**
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Get a ELF section name from its index.
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@param[in] ElfCt ELF image context pointer.
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@param[in] SectionIndex ELF section index.
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@param[out] SectionName The pointer to the section name.
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@retval EFI_INVALID_PARAMETER ElfCt or SecName is NULL.
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@retval EFI_NOT_FOUND Could not find the section.
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@retval EFI_SUCCESS Section name was filled successfully.
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**/
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EFI_STATUS
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EFIAPI
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GetElfSectionName (
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IN ELF_IMAGE_CONTEXT *ElfCt,
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IN UINT32 SectionIndex,
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OUT CHAR8 **SectionName
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);
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/**
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Get the offset and size of x-th ELF section.
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@param[in] ElfCt ELF image context pointer.
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@param[in] Index ELF section index.
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@param[out] Offset Return the offset of the specific section.
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@param[out] Size Return the size of the specific section.
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@retval EFI_INVALID_PARAMETER ImageBase, Offset or Size is NULL.
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@retval EFI_INVALID_PARAMETER EiClass doesn't equal to ELFCLASS32 or ELFCLASS64.
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@retval EFI_NOT_FOUND Could not find the section.
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@retval EFI_SUCCESS Offset and Size are returned.
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**/
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EFI_STATUS
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EFIAPI
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GetElfSectionPos (
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IN ELF_IMAGE_CONTEXT *ElfCt,
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IN UINT32 Index,
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OUT UINTN *Offset,
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OUT UINTN *Size
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);
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#endif /* __ELF_LIB_H__ */
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