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LibELF: Drop the "resolve and map" all-in-one

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Both users of this function now have to do their resolving separately
before anyways, so let's just drop the resolving part inside the
function and require absolute paths to be fed in instead.
This commit is contained in:
Tim Schumacher 2022-10-28 19:30:46 +02:00 • committed by Linus Groh
parent d4a4fe68f9
commit 6382b174dc
1 changed files with 7 additions and 9 deletions
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16
Userland/Libraries/LibELF/DynamicLinker.cpp
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@ -137,17 +137,15 @@ static Optional<String> resolve_library(String const& name, DynamicObject const&
return {};
}
static Result<NonnullRefPtr<DynamicLoader>, DlErrorMessage> resolve_and_map_library(String const& name, DynamicObject const& parent_object)
static Result<NonnullRefPtr<DynamicLoader>, DlErrorMessage> map_library(String const& path)
{
auto resolved_library_name = resolve_library(name, parent_object);
if (!resolved_library_name.has_value())
return DlErrorMessage { String::formatted("Could not find required shared library: {}", name) };
VERIFY(path.starts_with('/'));
int fd = open(resolved_library_name.value().characters(), O_RDONLY);
int fd = open(path.characters(), O_RDONLY);
if (fd < 0)
return DlErrorMessage { String::formatted("Could not open resolved shared library '{}': {}", resolved_library_name.value(), strerror(errno)) };
return DlErrorMessage { String::formatted("Could not open shared library '{}': {}", path, strerror(errno)) };
return map_library(resolved_library_name.value(), fd);
return map_library(path, fd);
}
static Vector<String> get_dependencies(String const& path)
@ -183,7 +181,7 @@ static Result<void, DlErrorMessage> map_dependencies(String const& path)
return DlErrorMessage { String::formatted("Could not find required shared library: {}", needed_name) };
if (!s_loaders.contains(dependency_path.value()) && !s_global_objects.contains(dependency_path.value())) {
auto loader = TRY(resolve_and_map_library(dependency_path.value(), parent_object));
auto loader = TRY(map_library(dependency_path.value()));
TRY(map_dependencies(loader->filepath()));
}
}
@ -482,7 +480,7 @@ static Result<void*, DlErrorMessage> __dlopen(char const* filename, int flags)
return *existing_elf_object;
}
auto loader = TRY(resolve_and_map_library(library_path.value(), parent_object));
auto loader = TRY(map_library(library_path.value()));
if (auto error = verify_tls_for_dlopen(loader); error.has_value())
return error.value();