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91 lines
3.4 KiB
Python
Executable File
91 lines
3.4 KiB
Python
Executable File
#!/usr/bin/python
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# By Nguyen Anh Quynh, 2015
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# This tool extract sizes of immediate operands from X86 instruction names.
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# Syntax: ./autogen_x86imm.py
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# Gather immediate sizes to put into X86ImmSize.inc
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OUTPUT = "../arch/X86/X86ImmSize.inc"
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f = open("../arch/X86/X86GenInstrInfo.inc")
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f2 = open(OUTPUT, "w")
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for line in f.readlines():
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tmp = line.strip().split("=")
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if len(tmp) == 2: # X86_xxx = nnn,
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name = tmp[0].strip()
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if name == "X86_INSTRUCTION_LIST_END": # no more instructions
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break
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if name.endswith("_DB"): # pseudo instruction
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continue
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if "_LOCK_" in name or "BEXTR" in name: # exception
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continue
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if name.startswith("X86_"): # instruction
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if name.endswith("16mi8"):
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f2.write("{2, %s},\n" %name)
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elif name.endswith("16ri8"):
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f2.write("{2, %s},\n" %name)
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elif name.endswith("32ri8"):
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f2.write("{4, %s},\n" %name)
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elif name.endswith("32mi8"):
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f2.write("{4, %s},\n" %name)
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elif name.endswith("64i32"):
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f2.write("{8, %s},\n" %name)
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elif name.endswith("64mi32"):
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f2.write("{8, %s},\n" %name)
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elif name.endswith("64ri32"):
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f2.write("{8, %s},\n" %name)
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elif name.endswith("64ri8"):
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f2.write("{8, %s},\n" %name)
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elif name.endswith("64mi8"):
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f2.write("{8, %s},\n" %name)
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elif name.endswith("16rmi8"):
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f2.write("{2, %s},\n" %name)
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elif name.endswith("32rmi8"):
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f2.write("{4, %s},\n" %name)
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elif name.endswith("16rri8"):
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f2.write("{2, %s},\n" %name)
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elif name.endswith("32rri8"):
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f2.write("{4, %s},\n" %name)
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elif name.endswith("64rmi8"):
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f2.write("{8, %s},\n" %name)
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elif name.endswith("64rmi32"):
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f2.write("{8, %s},\n" %name)
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elif name.endswith("64rri32"):
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f2.write("{8, %s},\n" %name)
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elif name.endswith("64rri8"):
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f2.write("{8, %s},\n" %name)
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elif name.endswith("32ri64"): # special case
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f2.write("{8, %s},\n" %name)
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elif name.endswith("16i8"): # special case
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f2.write("{2, %s},\n" %name)
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elif name.endswith("32i8"): # special case
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f2.write("{4, %s},\n" %name)
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elif name.endswith("64i16"): # special case
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f2.write("{8, %s},\n" %name)
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elif name.endswith("64i8"): # special case
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f2.write("{8, %s},\n" %name)
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elif name.endswith("i8") or "i8_" in name:
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f2.write("{1, %s},\n" %name)
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elif "8ri" in name or "8mi" in name:
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f2.write("{1, %s},\n" %name)
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elif name.endswith("i16") or "i16_" in name:
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f2.write("{2, %s},\n" %name)
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elif "16ri" in name or "16mi" in name:
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f2.write("{2, %s},\n" %name)
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elif name.endswith("i32") or "i32_" in name:
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f2.write("{4, %s},\n" %name)
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elif "32ri" in name or "32mi" in name:
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f2.write("{4, %s},\n" %name)
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elif name.endswith("i64") or "i64_" in name:
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f2.write("{8, %s},\n" %name)
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elif "64ri" in name or "64mi" in name:
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f2.write("{8, %s},\n" %name)
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f.close()
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f2.close()
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print("Generated %s" %OUTPUT)
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