build: Build mlibc + add distclean target

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 0 insertions, 132 deletions

diff --git a/lib/mlibc/sysdeps/managarm/generic/entry.cpp b/lib/mlibc/sysdeps/managarm/generic/entry.cpp
deleted file mode 100644
index 3ff28d2..0000000
--- a/lib/mlibc/sysdeps/managarm/generic/entry.cpp
+++ /dev/null
@@ -1,132 +0,0 @@
-#include <pthread.h>
-#include <stdlib.h>
-#include <sys/auxv.h>
-
-#include <frg/eternal.hpp>
-
-#include <bits/ensure.h>
-#include <mlibc/allocator.hpp>
-#include <mlibc/debug.hpp>
-#include <mlibc/posix-pipe.hpp>
-#include <mlibc/all-sysdeps.hpp>
-#include <mlibc/elf/startup.h>
-
-#include <protocols/posix/data.hpp>
-#include <protocols/posix/supercalls.hpp>
-
-// defined by the POSIX library
-void __mlibc_initLocale();
-
-extern "C" uintptr_t *__dlapi_entrystack();
-extern "C" void __dlapi_enter(uintptr_t *);
-
-// declared in posix-pipe.hpp
-thread_local Queue globalQueue;
-
-// TODO: clock tracker page and file table don't need to be thread-local!
-thread_local HelHandle __mlibc_posix_lane;
-thread_local void *__mlibc_clk_tracker_page;
-
-namespace {
-	thread_local unsigned __mlibc_gsf_nesting;
-	thread_local void *__mlibc_cached_thread_page;
-	thread_local HelHandle *cachedFileTable;
-
-	// This construction is a bit weird: Even though the variables above
-	// are thread_local we still protect their initialization with a pthread_once_t
-	// (instead of using a C++ constructor).
-	// We do this in order to able to clear the pthread_once_t after a fork.
-	thread_local pthread_once_t has_cached_infos = PTHREAD_ONCE_INIT;
-
-	void actuallyCacheInfos() {
-		posix::ManagarmProcessData data;
-		HEL_CHECK(helSyscall1(kHelCallSuper + posix::superGetProcessData, reinterpret_cast<HelWord>(&data)));
-
-		__mlibc_posix_lane = data.posixLane;
-		__mlibc_cached_thread_page = data.threadPage;
-		cachedFileTable = data.fileTable;
-		__mlibc_clk_tracker_page = data.clockTrackerPage;
-	}
-}
-
-SignalGuard::SignalGuard() {
-	pthread_once(&has_cached_infos, &actuallyCacheInfos);
-	if(!__mlibc_cached_thread_page)
-		return;
-	auto p = reinterpret_cast<unsigned int *>(__mlibc_cached_thread_page);
-	if(!__mlibc_gsf_nesting)
-		__atomic_store_n(p, 1, __ATOMIC_RELAXED);
-	__mlibc_gsf_nesting++;
-}
-
-SignalGuard::~SignalGuard() {
-	pthread_once(&has_cached_infos, &actuallyCacheInfos);
-	if(!__mlibc_cached_thread_page)
-		return;
-	auto p = reinterpret_cast<unsigned int *>(__mlibc_cached_thread_page);
-	__ensure(__mlibc_gsf_nesting > 0);
-	__mlibc_gsf_nesting--;
-	if(!__mlibc_gsf_nesting) {
-		unsigned int result = __atomic_exchange_n(p, 0, __ATOMIC_RELAXED);
-		if(result == 2) {
-			HEL_CHECK(helSyscall0(kHelCallSuper + posix::superSigRaise));
-		}else{
-			__ensure(result == 1);
-		}
-	}
-}
-
-MemoryAllocator &getSysdepsAllocator() {
-	// use frg::eternal to prevent a call to __cxa_atexit().
-	// this is necessary because __cxa_atexit() call this function.
-	static frg::eternal<VirtualAllocator> virtualAllocator;
-	static frg::eternal<MemoryPool> heap{virtualAllocator.get()};
-	static frg::eternal<MemoryAllocator> singleton{&heap.get()};
-	return singleton.get();
-}
-
-HelHandle getPosixLane() {
-	cacheFileTable();
-	return __mlibc_posix_lane;
-}
-
-HelHandle *cacheFileTable() {
-	// TODO: Make sure that this is signal-safe (it is called e.g. by sys_clock_get()).
-	pthread_once(&has_cached_infos, &actuallyCacheInfos);
-	return cachedFileTable;
-}
-
-HelHandle getHandleForFd(int fd) {
-	if (fd >= 512)
-		return 0;
-
-	return cacheFileTable()[fd];
-}
-
-void clearCachedInfos() {
-	has_cached_infos = PTHREAD_ONCE_INIT;
-}
-
-struct LibraryGuard {
-	LibraryGuard();
-};
-
-static LibraryGuard guard;
-
-extern char **environ;
-static mlibc::exec_stack_data __mlibc_stack_data;
-
-LibraryGuard::LibraryGuard() {
-	__mlibc_initLocale();
-
-	// Parse the exec() stack.
-	mlibc::parse_exec_stack(__dlapi_entrystack(), &__mlibc_stack_data);
-	mlibc::set_startup_data(__mlibc_stack_data.argc, __mlibc_stack_data.argv,
-			__mlibc_stack_data.envp);
-}
-
-extern "C" void __mlibc_entry(uintptr_t *entry_stack, int (*main_fn)(int argc, char *argv[], char *env[])) {
-	__dlapi_enter(entry_stack);
-	auto result = main_fn(__mlibc_stack_data.argc, __mlibc_stack_data.argv, environ);
-	exit(result);
-}