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// See LICENSE for license details.
// This little program finds occurrences of strings like
// DASM(ffabc013)
// in its input, then replaces them with the disassembly
// enclosed hexadecimal number, interpreted as a RISC-V
// instruction.
#include "disasm.h"
#include "extension.h"
#include <iostream>
#include <string>
#include <cstdint>
#include <fesvr/option_parser.h>
using namespace std;
int main(int argc, char** argv)
{
string s;
disassembler_t d;
std::function<extension_t*()> extension;
option_parser_t parser;
parser.option(0, "extension", 1, [&](const char* s){
if (!extensions().count(s))
fprintf(stderr, "unknown extension %s!\n", s), exit(-1);
extension = extensions()[s];
for (auto disasm_insn : extension()->get_disasms())
d.add_insn(disasm_insn);
});
auto argv1 = parser.parse(argv);
while (getline(cin, s))
{
for (size_t start = 0; (start = s.find("DASM(", start)) != string::npos; )
{
size_t end = s.find(')', start);
if (end == string::npos)
break;
size_t numstart = start + strlen("DASM(");
uint32_t n = strtoul(&s[numstart], NULL, 16);
string dis = d.disassemble(*(insn_t*)&n);
s = s.substr(0, start) + dis + s.substr(end+1);
start += dis.length();
}
cout << s << '\n';
}
return 0;
}
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