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More brandelf.py updates.

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This commit is contained in:
Markus F.X.J. Oberhumer 2006-11-17 14:50:42 +01:00
parent 36e9c27e9c
commit 49a97eea4b
1 changed files with 38 additions and 28 deletions
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66
src/stub/scripts/brandelf.py
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@ -43,40 +43,50 @@ class opts:
# ************************************************************************/ # ************************************************************************/
def do_file(fn): def do_file(fn):
fp = open(fn, "r+b") done = 1
if opts.dry_run:
fp = open(fn, "rb")
else:
fp = open(fn, "r+b")
fp.seek(0, 0) fp.seek(0, 0)
e_ident = fp.read(16) e_ident = fp.read(16)
fp.seek(0, 0) fp.seek(0, 0)
if e_ident[:4] != "\x7f\x45\x4c\x46":
raise Exception, "%s is not %s" % (fn, "ELF") def write(s):
if opts.bfdname == "elf32-i386" and opts.elfosabi == "freebsd": if not opts.dry_run:
if e_ident[4:7] != "\x01\x01\x01": fp.write(s)
raise Exception, "%s is not %s" % (fn, opts.bfdname)
if opts.bfdname[:3] == "elf":
if e_ident[:4] != "\x7f\x45\x4c\x46":
raise Exception, "%s is not %s" % (fn, "ELF")
fp.seek(7, 0) fp.seek(7, 0)
fp.write("\x09") if opts.bfdname == "elf32-i386" and opts.elfosabi == "freebsd":
elif opts.bfdname == "elf32-i386" and opts.elfosabi == "linux": if e_ident[4:7] != "\x01\x01\x01":
if e_ident[4:7] != "\x01\x01\x01": raise Exception, "%s is not %s" % (fn, opts.bfdname)
raise Exception, "%s is not %s" % (fn, opts.bfdname) write("\x09")
fp.seek(8, 0) elif opts.bfdname == "elf32-i386" and opts.elfosabi == "linux":
fp.write("Linux\x00\x00\x00") if e_ident[4:7] != "\x01\x01\x01":
elif opts.bfdname == "elf32-i386" and opts.elfosabi == "openbsd": raise Exception, "%s is not %s" % (fn, opts.bfdname)
if e_ident[4:7] != "\x01\x01\x01": write("\x00Linux\x00\x00\x00")
raise Exception, "%s is not %s" % (fn, opts.bfdname) elif opts.bfdname == "elf32-i386" and opts.elfosabi == "openbsd":
fp.seek(7, 0) if e_ident[4:7] != "\x01\x01\x01":
fp.write("\x0c") raise Exception, "%s is not %s" % (fn, opts.bfdname)
elif opts.bfdname == "elf32-powerpc" and opts.elfosabi == "linux": write("\x0c")
if e_ident[4:7] != "\x01\x02\x01": elif opts.bfdname == "elf32-powerpc" and opts.elfosabi == "linux":
raise Exception, "%s is not %s" % (fn, opts.bfdname) if e_ident[4:7] != "\x01\x02\x01":
fp.seek(8, 0) raise Exception, "%s is not %s" % (fn, opts.bfdname)
fp.write("Linux\x00\x00\x00") write("\x00Linux\x00\x00\x00")
elif opts.bfdname == "elf64-x86_64" and opts.elfosabi == "linux": elif opts.bfdname == "elf64-x86_64" and opts.elfosabi == "linux":
if e_ident[4:7] != "\x02\x01\x01": if e_ident[4:7] != "\x02\x01\x01":
raise Exception, "%s is not %s" % (fn, opts.bfdname) raise Exception, "%s is not %s" % (fn, opts.bfdname)
fp.seek(8, 0) write("\x00Linux\x00\x00\x00")
fp.write("Linux\x00\x00\x00") else:
done = 0
else: else:
raise Exception, ("error: invalid args", opts.__dict__) done = 0
fp.close() fp.close()
if not done:
raise Exception, ("error: invalid args", opts.__dict__)
def main(argv): def main(argv):