regs.py

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#!/usr/bin/env python
#-*- coding:utf-8 -*-

from miasm2.expression.expression import *


# GP

regs32_str = ["R%d" % i for i in xrange(13)] + ["SP", "LR", "PC"]
regs32_expr = [ExprId(x, 32) for x in regs32_str]

exception_flags = ExprId('exception_flags', 32)


R0 = regs32_expr[0]
R1 = regs32_expr[1]
R2 = regs32_expr[2]
R3 = regs32_expr[3]
R4 = regs32_expr[4]
R5 = regs32_expr[5]
R6 = regs32_expr[6]
R7 = regs32_expr[7]
R8 = regs32_expr[8]
R9 = regs32_expr[9]
R10 = regs32_expr[10]
R11 = regs32_expr[11]
R12 = regs32_expr[12]
SP = regs32_expr[13]
LR = regs32_expr[14]
PC = regs32_expr[15]

R0_init = ExprId("R0_init")
R1_init = ExprId("R1_init")
R2_init = ExprId("R2_init")
R3_init = ExprId("R3_init")
R4_init = ExprId("R4_init")
R5_init = ExprId("R5_init")
R6_init = ExprId("R6_init")
R7_init = ExprId("R7_init")
R8_init = ExprId("R8_init")
R9_init = ExprId("R9_init")
R10_init = ExprId("R10_init")
R11_init = ExprId("R11_init")
R12_init = ExprId("R12_init")
SP_init = ExprId("SP_init")
LR_init = ExprId("LR_init")
PC_init = ExprId("PC_init")


reg_zf = 'zf'
reg_nf = 'nf'
reg_of = 'of'
reg_cf = 'cf'

zf = ExprId(reg_zf, size=1)
nf = ExprId(reg_nf, size=1)
of = ExprId(reg_of, size=1)
cf = ExprId(reg_cf, size=1)

zf_init = ExprId("zf_init", size=1)
nf_init = ExprId("nf_init", size=1)
of_init = ExprId("of_init", size=1)
cf_init = ExprId("cf_init", size=1)


all_regs_ids = [
    R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, SP, LR, PC,
    zf, nf, of, cf,
    exception_flags
]

all_regs_ids_no_alias = all_regs_ids

all_regs_ids_byname = dict([(x.name, x) for x in all_regs_ids])

all_regs_ids_init = [R0_init, R1_init, R2_init, R3_init,
                     R4_init, R5_init, R6_init, R7_init,
                     R8_init, R9_init, R10_init, R11_init,
                     R12_init, SP_init, LR_init, PC_init,
                     zf_init, nf_init, of_init, cf_init,
                     ExprInt32(0)
                     ]

regs_init = {}
for i, r in enumerate(all_regs_ids):
    regs_init[r] = all_regs_ids_init[i]

regs_flt_expr = []