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0b7969becf
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46128e395f
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Subproject commit f579ec6e489d05e0633380b71804758f01e358c0
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Subproject commit a365110054b843d4023cd63e87ac5560c55dc21b
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import argparse
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import os
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import subprocess
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def get_address_from_objdump(elf_file, symbol):
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result = subprocess.run(
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["riscv64-unknown-elf-objdump", "-t", elf_file], capture_output=True, text=True
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)
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for line in result.stdout.splitlines():
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if symbol in line:
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return int(line.split()[0], 16)
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return None
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def annotate_dump(signature_file, elf_file):
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begin_signature = get_address_from_objdump(elf_file, "begin_signature")
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end_signature = get_address_from_objdump(elf_file, "end_signature")
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if begin_signature is None or end_signature is None:
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print(f"Symbols not found in {elf_file}")
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return
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address = begin_signature
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annotated_lines = []
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with open(signature_file, "r") as sig_file:
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for line in sig_file:
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annotated_lines.append(f"{hex(address)}: {line.strip()}")
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address += 4
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output_file = signature_file + ".annotated"
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with open(output_file, "w") as out_file:
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out_file.write("\n".join(annotated_lines))
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print(f"Annotated file created: {output_file}")
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def process_directory(root_dir):
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for subdir, _, files in os.walk(root_dir):
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elf_file = None
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signature_file = None
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for file in files:
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if file.endswith(".elf"):
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elf_file = os.path.join(subdir, file)
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elif file.endswith(".signature"):
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signature_file = os.path.join(subdir, file)
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if elf_file and signature_file:
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annotate_dump(signature_file, elf_file)
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elif signature_file:
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print(f"No ELF file found for {signature_file}")
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def main():
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parser = argparse.ArgumentParser(
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description="""
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Annotate memory dumps with addresses. Parses all subdirectories from the given root.
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Expects a .signature with a corresponding .elf in the same directory.
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Designed to annotate riscof signatures."""
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)
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parser.add_argument(
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"root_dir", type=str, help="Root directory to search for .signature files"
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)
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args = parser.parse_args()
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if not os.path.isdir(args.root_dir):
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print("Invalid root directory")
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return
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process_directory(args.root_dir)
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if __name__ == "__main__":
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main()
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