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64 lines
2.5 KiB
Python
Executable File
64 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python
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from aistruct import AIStruct
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import elf, sys
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from optparse import OptionParser
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from os import path
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class AfterBurner(AIStruct):
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def __init__(self, *args, **kwargs):
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AIStruct.__init__(self, AIStruct.SIZE32)
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self.setup(
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('UINT32', 'addr')
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)
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def __str__(self):
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return "0x%x" % self.ai.addr.get()
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def main():
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parser = OptionParser(add_help_option=False)
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parser.add_option("-h", "--file-header",
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action="store_true", dest="header", default=False,
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help="Display the ELF file header")
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parser.add_option("-l", "--program-headers",
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action="store_true", dest="program_headers", default=False,
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help="Display the program headers")
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parser.add_option("-S", "--section-headers",
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action="store_true", dest="section_headers", default=False,
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help="Display the section headers")
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parser.add_option("--afterburn",
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action="store_true", dest="afterburn", default=False,
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help="Display the afterburn relocations")
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parser.add_option("--first-free-page",
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action="store_true", dest="ffpage", default=False,
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help="Prints out (in .lds format) the address of the first free physical" + \
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"page after this image at load time. Using this information at link" + \
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"time, images can be compiled and linked consecutively and loaded in" + \
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"consecutive memory regions at load time.")
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parser.add_option("--lma-start-end", action="store_true", dest="lma_boundary", default=False,
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help="Prints out the start and end LMA boundaries of an image." + \
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"This is useful for autogenerating a structure for the microkernel" + \
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"to discover at run-time where svc tasks are loaded.")
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(options, args) = parser.parse_args()
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if len(args) != 1:
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parser.print_help()
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return
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elffile = elf.ElfFile.from_file(args[0])
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if options.header:
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print elffile.header
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if options.program_headers:
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print elffile.pheaders
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if options.section_headers:
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print elffile.sheaders
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if options.afterburn:
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burnheader = elffile.sheaders[".afterburn"]
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burns = burnheader.container(AfterBurner)
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print "There are %d afterburn entry points" % len(burns)
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print "Afterburn:"
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for burn in burns:
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print " ", burn
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if __name__ == "__main__":
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main()
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