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55 lines
1.4 KiB
55 lines
1.4 KiB
4 months ago
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#!/usr/bin/env python
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#
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# Mark functions in an arm assembly file. This is done by surrounding the
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# function with "# -- Begin Name" and "# -- End Name"
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# (This script is designed for arm ios assembly syntax)
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import sys
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import re
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inp = open(sys.argv[1], "r").readlines()
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# First pass
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linenum = 0
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INVALID=-100
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last_align = INVALID
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last_code = INVALID
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last_globl = INVALID
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begin = INVALID
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begins = dict()
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for line in inp:
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linenum += 1
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if ".align" in line:
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last_align = linenum
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if ".code" in line:
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last_code = linenum
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if ".globl" in line:
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last_globl = linenum
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m = re.search(r'.thumb_func\s+(\w+)', line)
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if m:
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funcname = m.group(1)
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if last_code == last_align+1 and (linenum - last_code) < 4:
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begin = last_align
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if last_globl+1 == last_align:
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begin = last_globl
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if line == "\n" and begin != INVALID:
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end = linenum
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triple = (funcname, begin, end)
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begins[begin] = triple
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begin = INVALID
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# Second pass: Mark
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out = open(sys.argv[1], "w")
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in_func = None
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linenum = 0
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for line in inp:
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linenum += 1
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if in_func is not None and linenum == end:
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out.write("# -- End %s\n" % in_func)
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in_func = None
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triple = begins.get(linenum)
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if triple is not None:
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in_func, begin, end = triple
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out.write("# -- Begin %s\n" % in_func)
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out.write(line)
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