mirror of
https://github.com/idapython/src
synced 2026-06-08 14:47:00 +00:00
Arnaud Diederen
66 lines
2.0 KiB
Python
Executable File
66 lines
2.0 KiB
Python
Executable File
import subprocess
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import re
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# idea borrowed from implib-gen.py
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def collect_syms(f, symlist = None):
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p = subprocess.Popen(["readelf", "-sDW", f], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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(out, err) = p.communicate()
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out = out.decode('utf-8')
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err = err.decode('utf-8')
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if p.returncode != 0 or err:
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error("readelf failed with retcode %d: %s" % (p.returncode, err))
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toc = None
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syms = []
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warn_versioned = False
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for line in out.splitlines():
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line = line.strip()
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if not line:
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continue
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# Num Buc: Value Size Type Bind Vis Ndx Name
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# 492 0: 00000000005ebac0 400 OBJECT GLOBAL DEFAULT 24 PyTraceBack_Type
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# 493 0: 00000000001cfc30 13 FUNC GLOBAL DEFAULT 12 Py_CompileString
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words = re.split(r' +', line)
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if line.startswith('Num'): # Header?
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if toc is not None:
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error("multiple headers in output of readelf")
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toc = {}
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for i, n in enumerate(words):
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# Colons are different across readelf versions so get rid of them.
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n = n.replace(':', '')
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toc[i] = n
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elif toc is not None:
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sym = {k: words[i] for i, k in toc.items()}
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if '@' in sym['Name']:
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name, ver = sym['Name'].split('@')
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sym['Name'] = name
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sym['Version'] = ver
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if not warn_versioned:
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# TODO
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warn("library %s contains versioned symbols which are NYI" % f)
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warn_versioned = True
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else:
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sym['Version'] = None
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if symlist and sym['Name'] not in symlist:
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continue
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syms.append(sym)
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if toc is None:
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error("failed to analyze %s" % f)
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return syms
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import sys
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syms = collect_syms(sys.argv[1])
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for sym in syms:
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nm = sym['Name']
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sz = sym['Size']
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tp =sym['Type']
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if sz != '0':
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if tp=="FUNC":
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print (" void %s(){};" % nm)
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elif tp =="OBJECT":
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print ('__asm__(".globl %s; .pushsection .data; .type %s,@object; .size %s, %s; %s: .zero %s; .popsection");' %(nm, nm, nm, sz, nm, sz))
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