get PHP kind of working...

lib/emscripten/src/bitwise.rs

@@ -1,8 +1,9 @@
+use crate::emscripten_target;
 use wasmer_runtime_core::vm::Ctx;
 
 ///emscripten: _llvm_bswap_i64
 pub fn _llvm_bswap_i64(_ctx: &mut Ctx, _low: i32, high: i32) -> i32 {
     debug!("emscripten::_llvm_bswap_i64");
-    // setTempRet0(low.swap_bytes)
+    emscripten_target::setTempRet0(_ctx, _low.swap_bytes());
     high.swap_bytes()
 }

lib/emscripten/src/emscripten_target.rs

@@ -5,8 +5,8 @@ use crate::env::get_emscripten_data;
 use libc::getdtablesize;
 use wasmer_runtime_core::vm::Ctx;
 
-pub fn setTempRet0(_ctx: &mut Ctx, _a: i32) {
-    debug!("emscripten::setTempRet0");
+pub fn setTempRet0(_ctx: &mut Ctx, _val: i32) {
+    debug!("emscripten::setTempRet0: {}", _val);
 }
 pub fn getTempRet0(_ctx: &mut Ctx) -> i32 {
     debug!("emscripten::getTempRet0");

lib/emscripten/src/env/unix/mod.rs

@@ -137,6 +137,9 @@ pub fn _getgrnam(ctx: &mut Ctx, name_ptr: c_int) -> c_int {
 
 pub fn _sysconf(_ctx: &mut Ctx, name: c_int) -> i32 {
     debug!("emscripten::_sysconf {}", name);
-    // TODO: Implement like emscripten expects regarding memory/page size
-    unsafe { sysconf(name) as i32 } // TODO review i64
+    match name {
+        30 => 16384,                          // page size
+        _ => unsafe { sysconf(name) as i32 }, // TODO review i64
+    }
+    // TODO: Implement like emscripten expects regarding memory/page size
 }

lib/emscripten/src/io/mod.rs

@@ -25,21 +25,33 @@ pub fn getprotobynumber(_ctx: &mut Ctx, _one: i32) -> i32 {
 }
 
 /// sigdelset
-pub fn sigdelset(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
+pub fn sigdelset(ctx: &mut Ctx, set: i32, signum: i32) -> i32 {
     debug!("emscripten::sigdelset");
-    unimplemented!()
+    let memory = ctx.memory(0);
+    let ptr = emscripten_memory_pointer!(memory, set) as *mut i32;
+
+    unsafe { *ptr = *ptr & !(1 << (signum - 1)) }
+
+    0
 }
 
 /// sigfillset
-pub fn sigfillset(_ctx: &mut Ctx, _one: i32) -> i32 {
+pub fn sigfillset(ctx: &mut Ctx, set: i32) -> i32 {
     debug!("emscripten::sigfillset");
-    unimplemented!()
+    let memory = ctx.memory(0);
+    let ptr = emscripten_memory_pointer!(memory, set) as *mut i32;
+
+    unsafe {
+        *ptr = -1;
+    }
+
+    0
 }
 
 /// tzset
 pub fn tzset(_ctx: &mut Ctx) {
-    debug!("emscripten::tzset");
-    unimplemented!()
+    debug!("emscripten::tzset - stub");
+    //unimplemented!()
 }
 
 /// strptime

lib/emscripten/src/lib.rs

@@ -512,7 +512,7 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
         "___syscall77" => func!(crate::syscalls::___syscall77),
         "___syscall83" => func!(crate::syscalls::___syscall83),
         "___syscall85" => func!(crate::syscalls::___syscall85),
-        "___syscall91" => func!(crate::syscalls::___syscall191),
+        "___syscall91" => func!(crate::syscalls::___syscall91),
         "___syscall94" => func!(crate::syscalls::___syscall194),
         "___syscall97" => func!(crate::syscalls::___syscall97),
         "___syscall102" => func!(crate::syscalls::___syscall102),

lib/emscripten/src/memory.rs

@@ -20,7 +20,7 @@ pub fn _emscripten_memcpy_big(ctx: &mut Ctx, dest: u32, src: u32, len: u32) -> u
 pub fn _emscripten_get_heap_size(_ctx: &mut Ctx) -> u32 {
     debug!("emscripten::_emscripten_get_heap_size",);
     // TODO: Fix implementation
-    16_777_216
+    162_107_392
 }
 
 /// emscripten: _emscripten_resize_heap
@@ -35,7 +35,7 @@ pub fn get_total_memory(_ctx: &mut Ctx) -> u32 {
     debug!("emscripten::get_total_memory");
     // instance.memories[0].current_pages()
     // TODO: Fix implementation
-    16_777_216
+    _ctx.memory(0).size().bytes().0 as u32
 }
 
 /// emscripten: enlargeMemory