83 lines
2.6 KiB
Python
83 lines
2.6 KiB
Python
from llvmlite.binding import ffi
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from ctypes import (c_bool, c_char_p, c_char, c_size_t, string_at, c_uint64,
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POINTER)
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class SectionIteratorRef(ffi.ObjectRef):
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def name(self):
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return ffi.lib.LLVMPY_GetSectionName(self)
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def is_text(self):
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return ffi.lib.LLVMPY_IsSectionText(self)
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def size(self):
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return ffi.lib.LLVMPY_GetSectionSize(self)
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def address(self):
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return ffi.lib.LLVMPY_GetSectionAddress(self)
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def data(self):
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return string_at(ffi.lib.LLVMPY_GetSectionContents(self), self.size())
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def is_end(self, object_file):
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return ffi.lib.LLVMPY_IsSectionIteratorAtEnd(object_file, self)
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def next(self):
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ffi.lib.LLVMPY_MoveToNextSection(self)
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def _dispose(self):
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ffi.lib.LLVMPY_DisposeSectionIterator(self)
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class ObjectFileRef(ffi.ObjectRef):
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@classmethod
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def from_data(cls, data):
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return cls(ffi.lib.LLVMPY_CreateObjectFile(data, len(data)))
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@classmethod
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def from_path(cls, path):
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with open(path, 'rb') as f:
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data = f.read()
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return cls(ffi.lib.LLVMPY_CreateObjectFile(data, len(data)))
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def sections(self):
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it = SectionIteratorRef(ffi.lib.LLVMPY_GetSections(self))
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while not it.is_end(self):
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yield it
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it.next()
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def _dispose(self):
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ffi.lib.LLVMPY_DisposeObjectFile(self)
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ffi.lib.LLVMPY_CreateObjectFile.argtypes = [c_char_p, c_size_t]
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ffi.lib.LLVMPY_CreateObjectFile.restype = ffi.LLVMObjectFileRef
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ffi.lib.LLVMPY_DisposeObjectFile.argtypes = [ffi.LLVMObjectFileRef]
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ffi.lib.LLVMPY_GetSections.argtypes = [ffi.LLVMObjectFileRef]
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ffi.lib.LLVMPY_GetSections.restype = ffi.LLVMSectionIteratorRef
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ffi.lib.LLVMPY_DisposeSectionIterator.argtypes = [ffi.LLVMSectionIteratorRef]
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ffi.lib.LLVMPY_MoveToNextSection.argtypes = [ffi.LLVMSectionIteratorRef]
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ffi.lib.LLVMPY_IsSectionIteratorAtEnd.argtypes = [
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ffi.LLVMObjectFileRef, ffi.LLVMSectionIteratorRef]
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ffi.lib.LLVMPY_IsSectionIteratorAtEnd.restype = c_bool
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ffi.lib.LLVMPY_GetSectionName.argtypes = [ffi.LLVMSectionIteratorRef]
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ffi.lib.LLVMPY_GetSectionName.restype = c_char_p
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ffi.lib.LLVMPY_GetSectionSize.argtypes = [ffi.LLVMSectionIteratorRef]
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ffi.lib.LLVMPY_GetSectionSize.restype = c_uint64
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ffi.lib.LLVMPY_GetSectionAddress.argtypes = [ffi.LLVMSectionIteratorRef]
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ffi.lib.LLVMPY_GetSectionAddress.restype = c_uint64
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ffi.lib.LLVMPY_GetSectionContents.argtypes = [ffi.LLVMSectionIteratorRef]
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ffi.lib.LLVMPY_GetSectionContents.restype = POINTER(c_char)
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ffi.lib.LLVMPY_IsSectionText.argtypes = [ffi.LLVMSectionIteratorRef]
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ffi.lib.LLVMPY_IsSectionText.restype = c_bool
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