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clean up runtime helpers

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This commit is contained in:
nmzik
2026-09-17 19:50:21 +04:00
parent 218e7200bb
commit 1211958b4e
12 changed files with 74 additions and 143 deletions
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src/loader/x64InstructionEmulator.cpp
+11 -21
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@@ -70,16 +70,6 @@ struct XmmWords {
uint32_t w[4];
};
static uint32_t Rol32(uint32_t value, unsigned int shift) {
shift &= 31u;
return (value << shift) | (value >> (32u - shift));
}
static uint32_t Rotr32(uint32_t value, unsigned int shift) {
shift &= 31u;
return (value >> shift) | (value << (32u - shift));
}
static void Sha1Msg1(XmmWords& dest, const XmmWords& src2) {
const uint32_t w0 = dest.w[3];
const uint32_t w1 = dest.w[2];
@@ -97,10 +87,10 @@ static void Sha1Msg2(XmmWords& dest, const XmmWords& src2) {
const uint32_t w13 = src2.w[2];
const uint32_t w14 = src2.w[1];
const uint32_t w15 = src2.w[0];
const uint32_t w16 = Rol32(dest.w[3] ^ w13, 1u);
const uint32_t w17 = Rol32(dest.w[2] ^ w14, 1u);
const uint32_t w18 = Rol32(dest.w[1] ^ w15, 1u);
const uint32_t w19 = Rol32(dest.w[0] ^ w16, 1u);
const uint32_t w16 = std::rotl(dest.w[3] ^ w13, 1);
const uint32_t w17 = std::rotl(dest.w[2] ^ w14, 1);
const uint32_t w18 = std::rotl(dest.w[1] ^ w15, 1);
const uint32_t w19 = std::rotl(dest.w[0] ^ w16, 1);
dest.w[3] = w16;
dest.w[2] = w17;
dest.w[1] = w18;
@@ -108,7 +98,7 @@ static void Sha1Msg2(XmmWords& dest, const XmmWords& src2) {
}
static void Sha1Nexte(XmmWords& dest, const XmmWords& src2) {
const uint32_t tmp = Rol32(dest.w[3], 30u);
const uint32_t tmp = std::rotl(dest.w[3], 30);
dest.w[3] = src2.w[3] + tmp;
dest.w[2] = src2.w[2];
dest.w[1] = src2.w[1];
@@ -145,14 +135,14 @@ static void Sha1Rnds4(XmmWords& dest, const XmmWords& src2, uint8_t imm8) {
uint32_t e = 0;
for (unsigned int round = 0; round < 4u; round++) {
uint32_t term = Sha1RoundFunc(group, b, c, d) + Rol32(a, 5u) + w[round] + k;
uint32_t term = Sha1RoundFunc(group, b, c, d) + std::rotl(a, 5) + w[round] + k;
if (round > 0u) {
term += e;
}
const uint32_t a1 = term;
e = d;
d = c;
c = Rol32(b, 30u);
c = std::rotl(b, 30);
b = a;
a = a1;
}
@@ -164,19 +154,19 @@ static void Sha1Rnds4(XmmWords& dest, const XmmWords& src2, uint8_t imm8) {
}
static uint32_t Sha256Sigma0(uint32_t x) {
return Rotr32(x, 7u) ^ Rotr32(x, 18u) ^ (x >> 3u);
return std::rotr(x, 7) ^ std::rotr(x, 18) ^ (x >> 3u);
}
static uint32_t Sha256Sigma1(uint32_t x) {
return Rotr32(x, 17u) ^ Rotr32(x, 19u) ^ (x >> 10u);
return std::rotr(x, 17) ^ std::rotr(x, 19) ^ (x >> 10u);
}
static uint32_t Sha256Sum0(uint32_t x) {
return Rotr32(x, 2u) ^ Rotr32(x, 13u) ^ Rotr32(x, 22u);
return std::rotr(x, 2) ^ std::rotr(x, 13) ^ std::rotr(x, 22);
}
static uint32_t Sha256Sum1(uint32_t x) {
return Rotr32(x, 6u) ^ Rotr32(x, 11u) ^ Rotr32(x, 25u);
return std::rotr(x, 6) ^ std::rotr(x, 11) ^ std::rotr(x, 25);
}
static uint32_t Sha256Ch(uint32_t e, uint32_t f, uint32_t g) {