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[Bug] Fixed RW info of string instructions, fixed lodsx() helper intructions in emitter

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This commit is contained in:
kobalicek
2020-07-10 23:21:36 +02:00
parent 509866ef12
commit 8474400e82
6 changed files with 294 additions and 234 deletions
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32
test/asmjit_test_x86_instinfo.cpp
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@@ -31,6 +31,10 @@
using namespace asmjit;
static char accessLetter(bool r, bool w) noexcept {
return r && w ? 'X' : r ? 'R' : w ? 'W' : '_';
}
static void printInfo(uint32_t arch, const BaseInst& inst, const Operand_* operands, size_t opCount) {
StringTmp<512> sb;
@@ -52,12 +56,26 @@ static void printInfo(uint32_t arch, const BaseInst& inst, const Operand_* opera
sb.append("Operands:\n");
for (uint32_t i = 0; i < rw.opCount(); i++) {
const OpRWInfo& op = rw.operand(i);
const char* access = op.isReadOnly() ? "R" :
op.isWriteOnly() ? "W" :
op.isReadWrite() ? "X" : "_";
sb.appendFormat(" [%u] RW=%s Read=%016llX Write=%016llX Extend=%016llX",
i, access, op.readByteMask(), op.writeByteMask(), op.extendByteMask());
sb.appendFormat(" [%u] Op=%c Read=%016llX Write=%016llX Extend=%016llX",
i,
accessLetter(op.isRead(), op.isWrite()),
op.readByteMask(),
op.writeByteMask(),
op.extendByteMask());
if (op.isMemBaseUsed()) {
sb.appendFormat(" Base=%c", accessLetter(op.isMemBaseRead(), op.isMemBaseWrite()));
if (op.isMemBasePreModify())
sb.appendFormat(" <PRE>");
if (op.isMemBasePostModify())
sb.appendFormat(" <POST>");
}
if (op.isMemIndexUsed()) {
sb.appendFormat(" Index=%c", accessLetter(op.isMemIndexRead(), op.isMemIndexWrite()));
}
sb.append("\n");
}
@@ -103,6 +121,10 @@ static void testX86Arch() {
x86::Inst::kIdAdd,
x86::eax, x86::ebx);
printInfoSimple(arch,
x86::Inst::kIdLods,
x86::eax , dword_ptr(x86::rsi));
printInfoSimple(arch,
x86::Inst::kIdPshufd,
x86::xmm0, x86::xmm1, imm(0));