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https://github.com/rust-embedded/rust-raspberrypi-OS-tutorials.git
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48 lines
1.1 KiB
Ruby
Executable File
48 lines
1.1 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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# frozen_string_literal: true
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# SPDX-License-Identifier: MIT OR Apache-2.0
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#
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# Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
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require 'rubygems'
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require 'bundler/setup'
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require 'colorize'
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require 'elftools'
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require_relative 'kernel_elf'
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require_relative 'cmds'
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KERNEL_SYMBOLS_SECTION = '.kernel_symbols'
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NUM_KERNEL_SYMBOLS = 'NUM_KERNEL_SYMBOLS'
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cmd = ARGV[0]
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kernel_elf_path = ARGV[1]
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kernel_elf = KernelELF.new(kernel_elf_path, KERNEL_SYMBOLS_SECTION, NUM_KERNEL_SYMBOLS)
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case cmd
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when '--gen_symbols'
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output_file = ARGV[2]
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print 'Generating'.rjust(12).green.bold
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puts ' Symbols source file'
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generate_symbols(kernel_elf, output_file)
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when '--get_symbols_section_virt_addr'
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addr = get_symbols_section_virt_addr(kernel_elf)
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puts "0x#{addr.to_s(16)}"
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when '--patch_data'
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symbols_blob_path = ARGV[2]
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num_symbols = kernel_elf.num_symbols
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print 'Patching'.rjust(12).green.bold
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puts " Symbols blob and number of symbols (#{num_symbols}) into ELF"
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patch_symbol_data(kernel_elf, symbols_blob_path)
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patch_num_symbols(kernel_elf)
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else
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raise
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end
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