mirror of
https://github.com/elmasas/lcs-recomp
synced 2026-09-26 08:41:05 -04:00
elmasas
25 lines
1.1 KiB
C++
25 lines
1.1 KiB
C++
#include "psprecomp/common.hpp"
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#include "psprecomp/decoder.hpp"
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#include "psprecomp/elf32.hpp"
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#include "psprecomp/guest_memory.hpp"
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#include <charconv>
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#include <cstdint>
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#include <iostream>
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#include <string>
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static std::uint32_t parse(std::string s) {
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if (s.rfind("0x",0)==0 || s.rfind("0X",0)==0) s.erase(0,2);
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std::uint32_t v{}; std::from_chars(s.data(),s.data()+s.size(),v,16); return v;
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}
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int main(int argc,char**argv){
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if(argc<4){std::cerr<<"usage: dump_function elf address count\n";return 2;}
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auto elf=psprecomp::Elf32Image::from_file(argv[1]); psprecomp::GuestMemory mem; (void)elf.load_and_relocate(mem);
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auto pc=parse(argv[2]); auto count=parse(argv[3]);
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for(std::uint32_t i=0;i<count;i++,pc+=4){ auto w=mem.load32(pc); auto d=psprecomp::decode_allegrex(w);
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std::cout<<psprecomp::hex32(pc)<<" "<<psprecomp::hex32(w)<<" "<<d.mnemonic
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<<" rs="<<d.rs<<" rt="<<d.rt<<" rd="<<d.rd<<" sa="<<d.sa<<" imm="<<d.immediate;
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if(d.kind==psprecomp::OpcodeKind::J||d.kind==psprecomp::OpcodeKind::Jal){auto t=((pc+4)&0xF0000000u)|(d.target<<2);std::cout<<" target="<<psprecomp::hex32(t);}
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std::cout<<"\n";
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}
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}
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