Function esp_elf_print_ehdr

Libraries/elf_loader/src/esp_elf.c:554–603

* @brief Print header description information of ELF. * * @param pbuf - ELF data buffer * * @return None */

 * @return None
 */
void esp_elf_print_ehdr(const uint8_t *pbuf)
{
    const char *s_bits, *s_endian;
    const elf32_hdr_t *hdr = (const elf32_hdr_t *)pbuf;

    switch (hdr->ident[4]) {
    case 1:
        s_bits = "32-bit";
        break;
    case 2:
        s_bits = "64-bit";
        break;
    default:
        s_bits = "invalid bits";
        break;
    }

    switch (hdr->ident[5]) {
    case 1:
        s_endian = "little-endian";
        break;
    case 2:
        s_endian = "big-endian";
        break;
    default:
        s_endian = "invalid endian";
        break;
    }

    if (hdr->ident[0] == 0x7f) {
        ESP_LOGI(TAG, "%-40s %c%c%c", "Class:",                     hdr->ident[1], hdr->ident[2], hdr->ident[3]);
    }

    ESP_LOGI(TAG, "%-40s %s, %s", "Format:",                        s_bits, s_endian);
    ESP_LOGI(TAG, "%-40s %x", "Version(current):",                  hdr->ident[6]);

    ESP_LOGI(TAG, "%-40s %d", "Type:",                              hdr->type);
    ESP_LOGI(TAG, "%-40s %d", "Machine:",                           hdr->machine);
    ESP_LOGI(TAG, "%-40s %x", "Version:",                           hdr->version);
    ESP_LOGI(TAG, "%-40s %x", "Entry point address:",               hdr->entry);
    ESP_LOGI(TAG, "%-40s %x", "Start of program headers:",          hdr->phoff);
    ESP_LOGI(TAG, "%-40s %d", "Start of section headers:",          hdr->shoff);
    ESP_LOGI(TAG, "%-40s 0x%x", "Flags:",                           hdr->flags);
    ESP_LOGI(TAG, "%-40s %d", "Size of this header(bytes):",        hdr->ehsize);
    ESP_LOGI(TAG, "%-40s %d", "Size of program headers(bytes):",    hdr->phentsize);
    ESP_LOGI(TAG, "%-40s %d", "Number of program headers:",         hdr->phnum);
    ESP_LOGI(TAG, "%-40s %d", "Size of section headers(bytes):",    hdr->shentsize);
    ESP_LOGI(TAG, "%-40s %d", "Number of section headers:",         hdr->shnum);
    ESP_LOGI(TAG, "%-40s %d", "Section header string table i:",     hdr->shstrndx);
}

/**
 * @brief Print program header description information of ELF.