BaseTools: BaseTools changes for RISC-V platform.

[mirror_edk2.git] / BaseTools / Source / C / Common / PeCoffLib.h

/** @file\r
  Function prototypes and defines on Memory Only PE COFF loader\r
\r
  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
  Portion Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef __BASE_PE_COFF_LIB_H__\r
#define __BASE_PE_COFF_LIB_H__\r
\r
//\r
// Return status codes from the PE/COFF Loader services\r
// BUGBUG: Find where used and see if can be replaced by RETURN_STATUS codes\r
//\r
#define IMAGE_ERROR_SUCCESS                      0\r
#define IMAGE_ERROR_IMAGE_READ                   1\r
#define IMAGE_ERROR_INVALID_PE_HEADER_SIGNATURE  2\r
#define IMAGE_ERROR_INVALID_MACHINE_TYPE         3\r
#define IMAGE_ERROR_INVALID_SUBSYSTEM            4\r
#define IMAGE_ERROR_INVALID_IMAGE_ADDRESS        5\r
#define IMAGE_ERROR_INVALID_IMAGE_SIZE           6\r
#define IMAGE_ERROR_INVALID_SECTION_ALIGNMENT    7\r
#define IMAGE_ERROR_SECTION_NOT_LOADED           8\r
#define IMAGE_ERROR_FAILED_RELOCATION            9\r
#define IMAGE_ERROR_FAILED_ICACHE_FLUSH          10\r
\r
//\r
// Macro definitions for RISC-V architecture.\r
//\r
#define RV_X(x, s, n) (((x) >> (s)) & ((1<<(n))-1))\r
#define RISCV_IMM_BITS 12\r
#define RISCV_IMM_REACH (1LL<<RISCV_IMM_BITS)\r
#define RISCV_CONST_HIGH_PART(VALUE) \\r
  (((VALUE) + (RISCV_IMM_REACH/2)) & ~(RISCV_IMM_REACH-1))\r
\r
//\r
// PE/COFF Loader Read Function passed in by caller\r
//\r
typedef\r
RETURN_STATUS\r
(EFIAPI *PE_COFF_LOADER_READ_FILE) (\r
  IN     VOID   *FileHandle,\r
  IN     UINTN  FileOffset,\r
  IN OUT UINTN  *ReadSize,\r
  OUT    VOID   *Buffer\r
  );\r
\r
//\r
// Context structure used while PE/COFF image is being loaded and relocated\r
//\r
typedef struct {\r
  PHYSICAL_ADDRESS                  ImageAddress;\r
  UINT64                            ImageSize;\r
  PHYSICAL_ADDRESS                  DestinationAddress;\r
  PHYSICAL_ADDRESS                  EntryPoint;\r
  PE_COFF_LOADER_READ_FILE          ImageRead;\r
  VOID                              *Handle;\r
  VOID                              *FixupData;\r
  UINT32                            SectionAlignment;\r
  UINT32                            PeCoffHeaderOffset;\r
  UINT32                            DebugDirectoryEntryRva;\r
  VOID                              *CodeView;\r
  CHAR8                             *PdbPointer;\r
  UINTN                             SizeOfHeaders;\r
  UINT32                            ImageCodeMemoryType;\r
  UINT32                            ImageDataMemoryType;\r
  UINT32                            ImageError;\r
  UINTN                             FixupDataSize;\r
  UINT16                            Machine;\r
  UINT16                            ImageType;\r
  BOOLEAN                           RelocationsStripped;\r
  BOOLEAN                           IsTeImage;\r
} PE_COFF_LOADER_IMAGE_CONTEXT;\r
\r
\r
/**\r
  Retrieves information on a PE/COFF image\r
\r
  @param  ImageContext The context of the image being loaded\r
\r
  @retval  EFI_SUCCESS The information on the PE/COFF image was collected.\r
  @retval  EFI_INVALID_PARAMETER ImageContext is NULL.\r
  @retval  EFI_UNSUPPORTED The PE/COFF image is not supported.\r
  @retval  Otherwise The error status from reading the PE/COFF image using the\r
  ImageContext->ImageRead() function\r
\r
**/\r
RETURN_STATUS\r
EFIAPI\r
PeCoffLoaderGetImageInfo (\r
  IN OUT PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext\r
  )\r
;\r
\r
/**\r
  Relocates a PE/COFF image in memory\r
\r
  @param  ImageContext Contains information on the loaded image to relocate\r
\r
  @retval EFI_SUCCESS      if the PE/COFF image was relocated\r
  @retval EFI_LOAD_ERROR   if the image is not a valid PE/COFF image\r
  @retval EFI_UNSUPPORTED  not support\r
\r
**/\r
RETURN_STATUS\r
EFIAPI\r
PeCoffLoaderRelocateImage (\r
  IN OUT PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext\r
  )\r
;\r
\r
/**\r
  Loads a PE/COFF image into memory\r
\r
  @param  ImageContext Contains information on image to load into memory\r
\r
  @retval EFI_SUCCESS            if the PE/COFF image was loaded\r
  @retval EFI_BUFFER_TOO_SMALL   if the caller did not provide a large enough buffer\r
  @retval EFI_LOAD_ERROR         if the image is a runtime driver with no relocations\r
  @retval EFI_INVALID_PARAMETER  if the image address is invalid\r
\r
**/\r
RETURN_STATUS\r
EFIAPI\r
PeCoffLoaderLoadImage (\r
  IN OUT PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext\r
  )\r
;\r
\r
VOID *\r
EFIAPI\r
PeCoffLoaderGetPdbPointer (\r
  IN VOID  *Pe32Data\r
  )\r
;\r
\r
RETURN_STATUS\r
EFIAPI\r
PeCoffLoaderGetEntryPoint (\r
  IN  VOID  *Pe32Data,\r
  OUT VOID  **EntryPoint,\r
  OUT VOID  **BaseOfImage\r
  )\r
;\r
\r
//\r
// These functions are used by the ARM PE/COFF relocation code and by\r
// the ELF to PE/COFF converter so that is why they are public\r
//\r
\r
/**\r
  Pass in a pointer to an ARM MOVT or MOVW immediate instruction and\r
  return the immediate data encoded in the instruction\r
\r
  @param  Instruction   Pointer to ARM MOVT or MOVW immediate instruction\r
\r
  @return Immediate address encoded in the instruction\r
\r
**/\r
UINT16\r
EFIAPI\r
ThumbMovtImmediateAddress (\r
  IN UINT16 *Instruction\r
  );\r
\r
/**\r
  Update an ARM MOVT or MOVW immediate instruction immediate data.\r
\r
  @param  Instruction   Pointer to ARM MOVT or MOVW immediate instruction\r
  @param  Address       New address to patch into the instruction\r
\r
**/\r
VOID\r
EFIAPI\r
ThumbMovtImmediatePatch (\r
  IN OUT UINT16 *Instruction,\r
  IN     UINT16 Address\r
  );\r
\r
\r
/**\r
  Pass in a pointer to an ARM MOVW/MOVT instruction pair and\r
  return the immediate data encoded in the two` instruction\r
\r
  @param  Instructions  Pointer to ARM MOVW/MOVT instruction pair\r
\r
  @return Immediate address encoded in the instructions\r
\r
**/\r
UINT32\r
EFIAPI\r
ThumbMovwMovtImmediateAddress (\r
  IN UINT16 *Instructions\r
  );\r
\r
/**\r
  Update an ARM MOVW/MOVT immediate instruction instruction pair.\r
\r
  @param  Instructions  Pointer to ARM MOVW/MOVT instruction pair\r
  @param  Address       New address to patch into the instructions\r
**/\r
VOID\r
EFIAPI\r
ThumbMovwMovtImmediatePatch (\r
  IN OUT UINT16 *Instructions,\r
  IN     UINT32 Address\r
  );\r
\r
\r
\r
#endif\r