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[Mach-O] wip

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This commit is contained in:
Rui Ueyama 2021-10-22 16:34:49 +09:00
parent 95ae34887c
commit ee158a031d
1 changed files with 25 additions and 3 deletions
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28
macho/main.cc
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@ -117,7 +117,7 @@ static void fix_synthetic_symbol_values(Context &ctx) {
intern(ctx, "__dyld_private")->value = ctx.data.hdr.addr;
}
void read_file(Context &ctx, MappedFile<Context> *mf) {
static void read_file(Context &ctx, MappedFile<Context> *mf) {
switch (get_file_type(mf)) {
case FileType::MACH_OBJ:
ctx.objs.push_back(ObjectFile::create(ctx, mf));
@ -127,6 +127,29 @@ void read_file(Context &ctx, MappedFile<Context> *mf) {
}
}
MappedFile<Context> *find_library(Context &ctx, std::string name) {
for (std::string dir : ctx.arg.library_paths) {
for (std::string ext : {".tbd", ".dylib", ".a"}) {
std::string path = path_clean(dir + "/" + name + ext);
if (MappedFile<Context> *mf = MappedFile<Context>::open(ctx, path))
return mf;
}
}
return nullptr;
}
static void read_input_files(Context &ctx, std::span<std::string> args) {
for (std::string &arg : args) {
if (arg.starts_with("-l")) {
MappedFile<Context> *mf = find_library(ctx, arg.substr(2));
if (!mf)
Fatal(ctx) << "library not found: " << arg;
} else {
read_file(ctx, MappedFile<Context>::must_open(ctx, arg));
}
}
}
int main(int argc, char **argv) {
Context ctx;
@ -156,8 +179,7 @@ int main(int argc, char **argv) {
std::vector<std::string> file_args;
parse_nonpositional_args(ctx, file_args);
for (std::string_view arg : file_args)
read_file(ctx, MappedFile<Context>::must_open(ctx, std::string(arg)));
read_input_files(ctx, file_args);
for (ObjectFile *obj : ctx.objs)
obj->parse(ctx);