MacOS Support from EMCC branch

Signed-off-by: Shaw Summa <[email protected]>

macos.mak

@@ -0,0 +1,5 @@
+
+EXTRA_SRCS = vendor/c11threads/threads_posix.c
+CFLAGS := -I vendor/c11threads $(CFLAGS) 
+
+include makefile

vendor/common/perf.c

@@ -165,7 +165,7 @@ void cuikperf_thread_start(void) {
     #if _WIN32
     uint32_t tid = GetCurrentThreadId();
     #else
-    uint32_t tid = pthread_self();
+    uint32_t tid = 0;
     #endif
 
     if (profiling) {
@@ -201,7 +201,7 @@ void cuikperf_region_start(const char* label, const char* extra) {
         #if _WIN32
         uint32_t tid = GetCurrentThreadId();
         #else
-        uint32_t tid = pthread_self();
+        uint32_t tid = 0;
         #endif
 
         spall_buffer_begin_args(&ctx, &muh_buffer, label, strlen(label), extra, extra ? strlen(extra) : 0, nanos, tid, 0);
@@ -217,7 +217,7 @@ void cuikperf_region_end(void) {
         #if _WIN32
         uint32_t tid = GetCurrentThreadId();
         #else
-        uint32_t tid = pthread_self();
+        uint32_t tid = 0;
         #endif
 
         spall_buffer_end_ex(&ctx, &muh_buffer, nanos, tid, 0);

vendor/tb/src/builtins.h

@@ -97,12 +97,20 @@ static TB_MultiplyResult tb_mul64x128(uint64_t a, uint64_t b) {
 }
 
 static uint64_t tb_div128(uint64_t ahi, uint64_t alo, uint64_t b) {
-    // We don't want 128 bit software division
+#if defined(TB_HOST_X86_64)
+    // // We don't want 128 bit software division
     uint64_t d, e;
     __asm__("divq %[b]"
         : "=a"(d), "=d"(e)
         : [b] "r"(b), "a"(alo), "d"(ahi)
     );
-    return d;
+#else
+    __uint128_t x = 0;
+    x += alo;
+    x <<= 64;
+    x += ahi;
+    x /= b;
+    return x;
+#endif
 }
 #endif

vendor/tb/src/libtb.c

@@ -81,7 +81,7 @@ void* tb_jit_stack_create(void) {
     return VirtualAlloc2(GetCurrentProcess(), NULL, size, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE, &param, 1);
 }
 #endif /* NTDDI_VERSION >= NTDDI_WIN10_RS4 */
-#elif defined(_POSIX_C_SOURCE)
+#elif defined(_POSIX_C_SOURCE) || defined(__APPLE__)
 void* tb_platform_valloc(size_t size) {
     return mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
 }

vendor/tb/src/tb.c

@@ -102,6 +102,8 @@ char* tb__arena_strdup(TB_Module* m, ptrdiff_t len, const char* src) {
 TB_Module* tb_module_create_for_host(bool is_jit) {
     #if defined(TB_HOST_X86_64)
     TB_Arch arch = TB_ARCH_X86_64;
+    #elif defined(TB_HOST_ARM64)
+    TB_Arch arch = TB_ARCH_AARCH64;
     #else
     TB_Arch arch = TB_ARCH_UNKNOWN;
     tb_panic("tb_module_create_for_host: cannot detect host platform");