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LibX86: Add an X86 instruction decoder library + basic disassembler

This will be very useful for developer tools like ProfileView, and also
for future tools like debuggers and such. :^)
This commit is contained in:
Andreas Kling 2020-04-11 13:16:17 +02:00
parent 7cc7d303e3
commit 32d83fdee4
7 changed files with 2367 additions and 2 deletions

27
Userland/disasm.cpp Normal file
View file

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#include <AK/LogStream.h>
#include <AK/MappedFile.h>
#include <LibX86/Disassembler.h>
#include <stdio.h>
int main(int argc, char** argv)
{
if (argc == 1) {
fprintf(stderr, "usage: %s <binary>\n", argv[0]);
return 1;
}
MappedFile file(argv[1]);
X86::SimpleInstructionStream stream((const u8*)file.data(), file.size());
X86::Disassembler disassembler(stream);
for (;;) {
auto offset = stream.offset();
auto insn = disassembler.next();
if (!insn.has_value())
break;
out() << String::format("%08x", offset) << " " << insn.value().to_string(offset, true);
}
return 0;
}