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add ldaxr #1504

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2e2b988
add ldaxr
0xjacklove Dec 3, 2024
ff32e93
Merge pull request #1 from 0xjacklove/0xjacklove-patch-1
0xjacklove Dec 3, 2024
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10 changes: 10 additions & 0 deletions miasm/arch/aarch64/sem.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1355,6 +1355,15 @@ def ldrsh(ir, instr, arg1, arg2):
def ldrsw(ir, instr, arg1, arg2):
return ldrs_size(ir, instr, arg1, arg2, 32)

def ldaxr(ir, instr, arg1, arg2):
# TODO XXX no memory lock implemented
assert arg2.is_op('preinc')
assert len(arg2.args) == 1
ptr = arg2.args[0]
e = []
e.append(ExprAssign(arg1, ExprMem(ptr, arg1.size).zeroExtend(arg1.size)))
return e, []

def ldaxrb(ir, instr, arg1, arg2):
# TODO XXX no memory lock implemented
assert arg2.is_op('preinc')
Expand Down Expand Up @@ -2212,6 +2221,7 @@ def smull(arg1, arg2, arg3):
'ldar': ldr, # TODO memory barrier
'ldarb': ldrb,

'ldaxr': ldaxr,
'ldaxrb': ldaxrb,
'stlxrb': stlxrb,

Expand Down