/*
 * Copyright 2019, Cypress Semiconductor Corporation or a subsidiary of
 * Cypress Semiconductor Corporation. All Rights Reserved.
 * 
 * This software, associated documentation and materials ("Software")
 * is owned by Cypress Semiconductor Corporation,
 * or one of its subsidiaries ("Cypress") and is protected by and subject to
 * worldwide patent protection (United States and foreign),
 * United States copyright laws and international treaty provisions.
 * Therefore, you may use this Software only as provided in the license
 * agreement accompanying the software package from which you
 * obtained this Software ("EULA").
 * If no EULA applies, Cypress hereby grants you a personal, non-exclusive,
 * non-transferable license to copy, modify, and compile the Software
 * source code solely for use in connection with Cypress's
 * integrated circuit products. Any reproduction, modification, translation,
 * compilation, or representation of this Software except as specified
 * above is prohibited without the express written permission of Cypress.
 *
 * Disclaimer: THIS SOFTWARE IS PROVIDED AS-IS, WITH NO WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, NONINFRINGEMENT, IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress
 * reserves the right to make changes to the Software without notice. Cypress
 * does not assume any liability arising out of the application or use of the
 * Software or any product or circuit described in the Software. Cypress does
 * not authorize its products for use in any products where a malfunction or
 * failure of the Cypress product may reasonably be expected to result in
 * significant property damage, injury or death ("High Risk Product"). By
 * including Cypress's product in a High Risk Product, the manufacturer
 * of such system or application assumes all risk of such use and in doing
 * so agrees to indemnify Cypress against all liability.
 */
#ifndef INCLUDED_ELF_H_
#define INCLUDED_ELF_H_

#ifdef __cplusplus
extern "C" {
#endif

/******************************************************
 *                     Macros
 ******************************************************/

/******************************************************
 *                    Constants
 ******************************************************/

#define ELF_MAGIC_NUMBER    0x464C457F      /* 0x7f 'E'L'F'  (define is Network endian swapped) */

/******************************************************
 *                   Enumerations
 ******************************************************/

/******************************************************
 *                 Type Definitions
 ******************************************************/

/******************************************************
 *                    Structures
 ******************************************************/

#pragma pack(1)

typedef struct
{
    struct
    {
        uint32_t magic;  /* should be 0x7f 'E' 'L' 'F' */
        uint8_t  elfclass;
        uint8_t  data;
        uint8_t  version;
        uint8_t  reserved[9];
    } ident;
    uint16_t type;
    uint16_t machine;
    uint32_t version;
    uint32_t entry;
    uint32_t program_header_offset; /* from start of file */
    uint32_t section_header_table_offset; /* from start of file */
    uint32_t flags;
    uint16_t elf_header_size;
    uint16_t program_header_entry_size;
    uint16_t program_header_entry_count;
    uint16_t section_header_entry_size;
    uint16_t section_header_entry_count;
    uint16_t string_table_index; /* index in the section header table */
} elf_header_t;

typedef struct {
    uint32_t type;
    uint32_t data_offset;
    uint32_t virtual_address;
    uint32_t physical_address;
    uint32_t data_size_in_file;
    uint32_t data_size_in_memory;
    uint32_t flags;
    uint32_t alignment;
} elf_program_header_t;


typedef struct
{
    uint32_t name_index_in_string_table;
    uint32_t type;
    uint32_t flags;
    uint32_t dest_addr;
    uint32_t data_offset; /* from start of file */
    uint32_t size;
    uint32_t link;
    uint32_t info;
    uint32_t addralign;
    uint32_t entsize;
} elf_section_header_t;

#pragma pack()

/******************************************************
 *                 Global Variables
 ******************************************************/

/******************************************************
 *               Function Declarations
 ******************************************************/

#ifdef __cplusplus
} /*extern "C" */
#endif

#endif /* ifndef INCLUDED_ELF_H_ */