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mirror of https://github.com/rui314/mold.git synced 2024-11-10 19:26:38 +03:00
mold/macho/mapfile.cc
2021-11-05 14:23:28 +09:00

73 lines
1.9 KiB
C++

#include "mold.h"
#include <iomanip>
#include <fstream>
namespace mold::macho {
struct Sym {
u64 addr;
u32 size;
u32 fileidx;
std::string_view name;
};
void print_map(Context &ctx) {
std::ofstream out(ctx.arg.map.c_str());
if (!out.is_open())
Fatal(ctx) << "cannot open " << ctx.arg.map << ": " << errno_string();
out << "# Path: " << ctx.arg.output << "\n"
<< "# Arch: x86-64\n"
<< "# Object files:\n";
std::vector<Sym> syms;
for (i64 i = 0; i < ctx.objs.size(); i++){
ObjectFile &file = *ctx.objs[i];
if (file.is_alive) {
out << "[" << std::setw(3) << i << "] " << file << "\n";
for (Symbol *sym : file.syms)
if (sym->file == &file)
syms.push_back({sym->get_addr(ctx), 0, (u32)i, sym->name});
}
}
sort(syms, [](const Sym &a, const Sym &b) {
return a.addr < b.addr;
});
out << "# Sections:\n"
<< "# Address Size Segment Section\n";
for (std::unique_ptr<OutputSegment> &seg : ctx.segments) {
for (Chunk *chunk : seg->chunks) {
if (!chunk->is_hidden) {
out << "0x" << std::hex
<< std::setw(8) << std::setfill('0') << chunk->hdr.addr
<< " 0x"
<< std::setw(8) << std::setfill('0') << chunk->hdr.size
<< " " << std::setw(7) << std::left << std::setfill(' ')
<< chunk->hdr.get_segname()
<< " " << chunk->hdr.get_sectname() << "\n";
}
}
}
out << "# Symbols:\n"
<< "# Address Size File Name\n";
for (Sym &sym : syms) {
out << "0x" << std::hex
<< std::setw(8) << std::setfill('0') << sym.addr
<< " 0x"
<< std::setw(8) << std::setfill('0') << 0
<< " ["
<< std::setw(3) << std::right << std::setfill(' ') << sym.fileidx
<< "] " << sym.name << "\n";
}
}
} // namespace mold::macho