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GP-3424 Near/far pointer data-type propagation

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This commit is contained in:
caheckman 2023-05-05 14:58:49 -04:00
parent 007cfacd6c
commit 3c08b44a1e
21 changed files with 403 additions and 292 deletions
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16
Ghidra/Features/Decompiler/src/decompile/cpp/opbehavior.cc
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@ -496,12 +496,10 @@ uintb OpBehaviorIntSdiv::evaluateBinary(int4 sizeout,int4 sizein,uintb in1,uintb
{
if (in2 == 0)
throw EvaluationError("Divide by 0");
intb num = in1; // Convert to signed
intb denom = in2;
sign_extend(num,8*sizein-1);
sign_extend(denom,8*sizein-1);
intb num = sign_extend(in1,8*sizein-1); // Convert to signed
intb denom = sign_extend(in2,8*sizein-1);
intb sres = num/denom; // Do the signed division
zero_extend(sres,8*sizeout-1); // Cut to appropriate size
sres = zero_extend(sres,8*sizeout-1); // Cut to appropriate size
return (uintb)sres; // Recast as unsigned
}
@ -520,12 +518,10 @@ uintb OpBehaviorIntSrem::evaluateBinary(int4 sizeout,int4 sizein,uintb in1,uintb
{
if (in2 == 0)
throw EvaluationError("Remainder by 0");
intb val = in1;
intb mod = in2;
sign_extend(val,8*sizein-1); // Convert inputs to signed values
sign_extend(mod,8*sizein-1);
intb val = sign_extend(in1,8*sizein-1); // Convert inputs to signed values
intb mod = sign_extend(in2,8*sizein-1);
intb sres = val % mod; // Do the remainder
zero_extend(sres,8*sizeout-1); // Convert back to unsigned
sres = zero_extend(sres,8*sizeout-1); // Convert back to unsigned
return (uintb)sres;
}