diff --git a/lib/emscripten/src/emscripten_target.rs b/lib/emscripten/src/emscripten_target.rs
index 4508f4f54..b4d179dcf 100644
--- a/lib/emscripten/src/emscripten_target.rs
+++ b/lib/emscripten/src/emscripten_target.rs
@@ -1,6 +1,8 @@
 #![allow(non_snake_case)]
 
 use crate::env::get_emscripten_data;
+#[cfg(target_os = "linux")]
+use libc::getdtablesize;
 use wasmer_runtime_core::vm::Ctx;
 
 pub fn setTempRet0(_ctx: &mut Ctx, _a: i32) {
@@ -10,9 +12,24 @@ pub fn getTempRet0(_ctx: &mut Ctx) -> i32 {
     debug!("emscripten::getTempRet0");
     0
 }
+pub fn nullFunc_d(_ctx: &mut Ctx, _a: i32) {
+    debug!("emscripten::nullFunc_d");
+}
 pub fn nullFunc_ji(_ctx: &mut Ctx, _a: i32) {
     debug!("emscripten::nullFunc_ji");
 }
+pub fn nullFunc_viidii(_ctx: &mut Ctx, _a: i32) {
+    debug!("emscripten::nullFunc_viidii");
+}
+pub fn nullFunc_iiiiiii(_ctx: &mut Ctx, _a: i32) {
+    debug!("emscripten::nullFunc_iiiiiii");
+}
+pub fn nullFunc_iiiiiiii(_ctx: &mut Ctx, _a: i32) {
+    debug!("emscripten::nullFunc_iiiiiiii");
+}
+pub fn nullFunc_iiiiiiiiii(_ctx: &mut Ctx, _a: i32) {
+    debug!("emscripten::nullFunc_iiiiiiiiii");
+}
 pub fn invoke_i(ctx: &mut Ctx, index: i32) -> i32 {
     debug!("emscripten::invoke_i");
     if let Some(dyn_call_i) = &get_emscripten_data(ctx).dyn_call_i {
@@ -171,6 +188,10 @@ pub fn _pthread_rwlock_unlock(_ctx: &mut Ctx, _a: i32) -> i32 {
     debug!("emscripten::_pthread_rwlock_unlock");
     0
 }
+pub fn _pthread_setcancelstate(_ctx: &mut Ctx, _a: i32, _b: i32) -> i32 {
+    debug!("emscripten::_pthread_setcancelstate");
+    0
+}
 pub fn ___gxx_personality_v0(
     _ctx: &mut Ctx,
     _a: i32,
@@ -183,6 +204,37 @@ pub fn ___gxx_personality_v0(
     debug!("emscripten::___gxx_personality_v0");
     0
 }
+#[cfg(target_os = "linux")]
+pub fn _getdtablesize(_ctx: &mut Ctx) -> i32 {
+    debug!("emscripten::getdtablesize");
+    unsafe { getdtablesize() }
+}
+#[cfg(not(target_os = "linux"))]
+pub fn _getdtablesize(_ctx: &mut Ctx) -> i32 {
+    debug!("emscripten::getdtablesize");
+    -1
+}
+pub fn _gethostbyaddr(_ctx: &mut Ctx, _addr: i32, _addrlen: i32, _atype: i32) -> i32 {
+    debug!("emscripten::gethostbyaddr");
+    0
+}
+pub fn _gethostbyname_r(
+    _ctx: &mut Ctx,
+    _name: i32,
+    _ret: i32,
+    _buf: i32,
+    _buflen: i32,
+    _out: i32,
+    _err: i32,
+) -> i32 {
+    debug!("emscripten::gethostbyname_r");
+    0
+}
+// NOTE: php.js has proper impl; libc has proper impl for linux
+pub fn _getloadavg(_ctx: &mut Ctx, _loadavg: i32, _nelem: i32) -> i32 {
+    debug!("emscripten::getloadavg");
+    0
+}
 // round 2
 pub fn nullFunc_dii(_ctx: &mut Ctx, _index: i32) {
     debug!("emscripten::nullFunc_dii");
@@ -287,6 +339,67 @@ pub fn invoke_iiiiii(
         panic!("dyn_call_iiiiii is set to None");
     }
 }
+pub fn invoke_iiiiiii(
+    ctx: &mut Ctx,
+    index: i32,
+    a1: i32,
+    a2: i32,
+    a3: i32,
+    a4: i32,
+    a5: i32,
+    a6: i32,
+) -> i32 {
+    debug!("emscripten::invoke_iiiiiii");
+    if let Some(dyn_call_iiiiiii) = &get_emscripten_data(ctx).dyn_call_iiiiiii {
+        dyn_call_iiiiiii
+            .call(index, a1, a2, a3, a4, a5, a6)
+            .unwrap()
+    } else {
+        panic!("dyn_call_iiiiiii is set to None");
+    }
+}
+pub fn invoke_iiiiiiii(
+    ctx: &mut Ctx,
+    index: i32,
+    a1: i32,
+    a2: i32,
+    a3: i32,
+    a4: i32,
+    a5: i32,
+    a6: i32,
+    a7: i32,
+) -> i32 {
+    debug!("emscripten::invoke_iiiiiiii");
+    if let Some(dyn_call_iiiiiiii) = &get_emscripten_data(ctx).dyn_call_iiiiiiii {
+        dyn_call_iiiiiiii
+            .call(index, a1, a2, a3, a4, a5, a6, a7)
+            .unwrap()
+    } else {
+        panic!("dyn_call_iiiiiiii is set to None");
+    }
+}
+pub fn invoke_iiiiiiiiii(
+    ctx: &mut Ctx,
+    index: i32,
+    a1: i32,
+    a2: i32,
+    a3: i32,
+    a4: i32,
+    a5: i32,
+    a6: i32,
+    a7: i32,
+    a8: i32,
+    a9: i32,
+) -> i32 {
+    debug!("emscripten::invoke_iiiiiiiiii");
+    if let Some(dyn_call_iiiiiiiiii) = &get_emscripten_data(ctx).dyn_call_iiiiiiiiii {
+        dyn_call_iiiiiiiiii
+            .call(index, a1, a2, a3, a4, a5, a6, a7, a8, a9)
+            .unwrap()
+    } else {
+        panic!("dyn_call_iiiiiiiiii is set to None");
+    }
+}
 pub fn invoke_vd(ctx: &mut Ctx, index: i32, a1: f64) {
     debug!("emscripten::invoke_vd");
     if let Some(dyn_call_vd) = &get_emscripten_data(ctx).dyn_call_vd {
@@ -573,3 +686,11 @@ pub fn invoke_vijj(ctx: &mut Ctx, index: i32, a1: i32, a2: i32, a3: i32, a4: i32
         panic!("dyn_call_vijj is set to None");
     }
 }
+pub fn invoke_viidii(ctx: &mut Ctx, index: i32, a1: i32, a2: i32, a3: f64, a4: i32, a5: i32) {
+    debug!("emscripten::invoke_viidii");
+    if let Some(dyn_call_viidii) = &get_emscripten_data(ctx).dyn_call_viidii {
+        dyn_call_viidii.call(index, a1, a2, a3, a4, a5).unwrap();
+    } else {
+        panic!("dyn_call_viidii is set to None");
+    }
+}
diff --git a/lib/emscripten/src/exec.rs b/lib/emscripten/src/exec.rs
index f47f09bf0..5751e3199 100644
--- a/lib/emscripten/src/exec.rs
+++ b/lib/emscripten/src/exec.rs
@@ -1,3 +1,4 @@
+use crate::varargs::VarArgs;
 use libc::execvp as libc_execvp;
 use std::cell::Cell;
 use std::ffi::CString;
@@ -38,3 +39,15 @@ pub fn execvp(ctx: &mut Ctx, command_name_offset: u32, argv_offset: u32) -> i32
     let args_pointer = argv.as_ptr();
     unsafe { libc_execvp(command_pointer, args_pointer) }
 }
+
+/// execl
+pub fn execl(_ctx: &mut Ctx, _path_ptr: i32, _arg0_ptr: i32, _varargs: VarArgs) -> i32 {
+    debug!("emscripten::execl");
+    -1
+}
+
+/// execle
+pub fn execle(_ctx: &mut Ctx, _path_ptr: i32, _arg0_ptr: i32, _varargs: VarArgs) -> i32 {
+    debug!("emscripten::execle");
+    -1
+}
diff --git a/lib/emscripten/src/io/mod.rs b/lib/emscripten/src/io/mod.rs
index aea5e6fc2..496c2da36 100644
--- a/lib/emscripten/src/io/mod.rs
+++ b/lib/emscripten/src/io/mod.rs
@@ -9,3 +9,47 @@ pub use self::unix::*;
 
 #[cfg(windows)]
 pub use self::windows::*;
+
+use wasmer_runtime_core::vm::Ctx;
+
+/// getprotobyname
+pub fn getprotobyname(_ctx: &mut Ctx, _name_ptr: i32) -> i32 {
+    debug!("emscripten::getprotobyname");
+    unimplemented!()
+}
+
+/// getprotobynumber
+pub fn getprotobynumber(_ctx: &mut Ctx, _one: i32) -> i32 {
+    debug!("emscripten::getprotobynumber");
+    unimplemented!()
+}
+
+/// getpwuid
+pub fn getpwuid(_ctx: &mut Ctx, _uid: i32) -> i32 {
+    debug!("emscripten::getpwuid");
+    unimplemented!()
+}
+
+/// sigdelset
+pub fn sigdelset(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
+    debug!("emscripten::sigdelset");
+    unimplemented!()
+}
+
+/// sigfillset
+pub fn sigfillset(_ctx: &mut Ctx, _one: i32) -> i32 {
+    debug!("emscripten::sigfillset");
+    unimplemented!()
+}
+
+/// tzset
+pub fn tzset(_ctx: &mut Ctx) {
+    debug!("emscripten::tzset");
+    unimplemented!()
+}
+
+/// strptime
+pub fn strptime(_ctx: &mut Ctx, _one: i32, _two: i32, _three: i32) -> i32 {
+    debug!("emscripten::strptime");
+    unimplemented!()
+}
diff --git a/lib/emscripten/src/io/unix.rs b/lib/emscripten/src/io/unix.rs
index da3ddeff9..f5a495528 100644
--- a/lib/emscripten/src/io/unix.rs
+++ b/lib/emscripten/src/io/unix.rs
@@ -1,4 +1,4 @@
-use libc::printf as _printf;
+use libc::{chroot as _chroot, printf as _printf};
 
 use wasmer_runtime_core::vm::Ctx;
 
@@ -15,3 +15,10 @@ pub fn printf(ctx: &mut Ctx, memory_offset: i32, extra: i32) -> i32 {
         _printf(addr, extra)
     }
 }
+
+/// chroot
+pub fn chroot(ctx: &mut Ctx, name_ptr: i32) -> i32 {
+    debug!("emscripten::chroot");
+    let name = emscripten_memory_pointer!(ctx.memory(0), name_ptr) as *const i8;
+    unsafe { _chroot(name) }
+}
diff --git a/lib/emscripten/src/io/windows.rs b/lib/emscripten/src/io/windows.rs
index 99c67a0be..bb1484c78 100644
--- a/lib/emscripten/src/io/windows.rs
+++ b/lib/emscripten/src/io/windows.rs
@@ -32,3 +32,9 @@ pub fn printf(_ctx: &mut Ctx, memory_offset: i32, extra: i32) -> i32 {
     //    }
     -1
 }
+
+/// chroot
+pub fn chroot(ctx: &mut Ctx, name_ptr: i32) -> i32 {
+    debug!("emscripten::chroot");
+    unimplemented!()
+}
diff --git a/lib/emscripten/src/lib.rs b/lib/emscripten/src/lib.rs
index 29d9796b1..37346989e 100644
--- a/lib/emscripten/src/lib.rs
+++ b/lib/emscripten/src/lib.rs
@@ -94,6 +94,10 @@ pub struct EmscriptenData<'a> {
     pub dyn_call_diiii: Option<Func<'a, (i32, i32, i32, i32, i32), f64>>,
     pub dyn_call_iiiii: Option<Func<'a, (i32, i32, i32, i32, i32), i32>>,
     pub dyn_call_iiiiii: Option<Func<'a, (i32, i32, i32, i32, i32, i32), i32>>,
+    pub dyn_call_iiiiiii: Option<Func<'a, (i32, i32, i32, i32, i32, i32, i32), i32>>,
+    pub dyn_call_iiiiiiii: Option<Func<'a, (i32, i32, i32, i32, i32, i32, i32, i32), i32>>,
+    pub dyn_call_iiiiiiiiii:
+        Option<Func<'a, (i32, i32, i32, i32, i32, i32, i32, i32, i32, i32), i32>>,
     pub dyn_call_vd: Option<Func<'a, (i32, f64)>>,
     pub dyn_call_viiiii: Option<Func<'a, (i32, i32, i32, i32, i32, i32)>>,
     pub dyn_call_viiiiii: Option<Func<'a, (i32, i32, i32, i32, i32, i32, i32)>>,
@@ -117,6 +121,7 @@ pub struct EmscriptenData<'a> {
     pub dyn_call_viji: Option<Func<'a, (i32, i32, i32, i32, i32)>>,
     pub dyn_call_vijiii: Option<Func<'a, (i32, i32, i32, i32, i32, i32, i32)>>,
     pub dyn_call_vijj: Option<Func<'a, (i32, i32, i32, i32, i32, i32)>>,
+    pub dyn_call_viidii: Option<Func<'a, (i32, i32, i32, f64, i32, i32)>>,
 }
 
 impl<'a> EmscriptenData<'a> {
@@ -146,6 +151,9 @@ impl<'a> EmscriptenData<'a> {
         let dyn_call_diiii = instance.func("dynCall_diiii").ok();
         let dyn_call_iiiii = instance.func("dynCall_iiiii").ok();
         let dyn_call_iiiiii = instance.func("dynCall_iiiiii").ok();
+        let dyn_call_iiiiiii = instance.func("dynCall_iiiiiii").ok();
+        let dyn_call_iiiiiiii = instance.func("dynCall_iiiiiiii").ok();
+        let dyn_call_iiiiiiiiii = instance.func("dynCall_iiiiiiiiii").ok();
         let dyn_call_vd = instance.func("dynCall_vd").ok();
         let dyn_call_viiiii = instance.func("dynCall_viiiii").ok();
         let dyn_call_viiiiii = instance.func("dynCall_viiiiii").ok();
@@ -168,6 +176,7 @@ impl<'a> EmscriptenData<'a> {
         let dyn_call_viji = instance.func("dynCall_viji").ok();
         let dyn_call_vijiii = instance.func("dynCall_vijiii").ok();
         let dyn_call_vijj = instance.func("dynCall_vijj").ok();
+        let dyn_call_viidii = instance.func("dynCall_viidii").ok();
 
         EmscriptenData {
             malloc,
@@ -191,6 +200,9 @@ impl<'a> EmscriptenData<'a> {
             dyn_call_diiii,
             dyn_call_iiiii,
             dyn_call_iiiiii,
+            dyn_call_iiiiiii,
+            dyn_call_iiiiiiii,
+            dyn_call_iiiiiiiiii,
             dyn_call_vd,
             dyn_call_viiiii,
             dyn_call_viiiiii,
@@ -213,6 +225,7 @@ impl<'a> EmscriptenData<'a> {
             dyn_call_viji,
             dyn_call_vijiii,
             dyn_call_vijj,
+            dyn_call_viidii,
         }
     }
 }
@@ -415,9 +428,20 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
             "___lock" => func!(crate::lock::___lock),
             "___unlock" => func!(crate::lock::___unlock),
             "___wait" => func!(crate::lock::___wait),
+            "_flock" => func!(crate::lock::_flock),
+            "_chroot" => func!(crate::io::chroot),
+            "_getprotobyname" => func!(crate::io::getprotobyname),
+            "_getprotobynumber" => func!(crate::io::getprotobynumber),
+            "_getpwuid" => func!(crate::io::getpwuid),
+            "_sigdelset" => func!(crate::io::sigdelset),
+            "_sigfillset" => func!(crate::io::sigfillset),
+            "_tzset" => func!(crate::io::tzset),
+            "_strptime" => func!(crate::io::strptime),
 
             // exec
             "_execvp" => func!(crate::exec::execvp),
+            "_execl" => func!(crate::exec::execl),
+            "_execle" => func!(crate::exec::execle),
 
             // exit
             "__exit" => func!(crate::exit::exit),
@@ -457,13 +481,17 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
             "___syscall4" => func!(crate::syscalls::___syscall4),
             "___syscall5" => func!(crate::syscalls::___syscall5),
             "___syscall6" => func!(crate::syscalls::___syscall6),
+            "___syscall9" => func!(crate::syscalls::___syscall9),
             "___syscall10" => func!(crate::syscalls::___syscall10),
             "___syscall12" => func!(crate::syscalls::___syscall12),
             "___syscall15" => func!(crate::syscalls::___syscall15),
             "___syscall20" => func!(crate::syscalls::___syscall20),
+            "___syscall33" => func!(crate::syscalls::___syscall33),
+            "___syscall34" => func!(crate::syscalls::___syscall34),
             "___syscall39" => func!(crate::syscalls::___syscall39),
             "___syscall38" => func!(crate::syscalls::___syscall38),
             "___syscall40" => func!(crate::syscalls::___syscall40),
+            "___syscall41" => func!(crate::syscalls::___syscall41),
             "___syscall42" => func!(crate::syscalls::___syscall42),
             "___syscall54" => func!(crate::syscalls::___syscall54),
             "___syscall57" => func!(crate::syscalls::___syscall57),
@@ -472,6 +500,8 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
             "___syscall64" => func!(crate::syscalls::___syscall64),
             "___syscall66" => func!(crate::syscalls::___syscall66),
             "___syscall75" => func!(crate::syscalls::___syscall75),
+            "___syscall77" => func!(crate::syscalls::___syscall77),
+            "___syscall83" => func!(crate::syscalls::___syscall83),
             "___syscall85" => func!(crate::syscalls::___syscall85),
             "___syscall91" => func!(crate::syscalls::___syscall191),
             "___syscall94" => func!(crate::syscalls::___syscall194),
@@ -495,11 +525,15 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
             "___syscall195" => func!(crate::syscalls::___syscall195),
             "___syscall196" => func!(crate::syscalls::___syscall196),
             "___syscall197" => func!(crate::syscalls::___syscall197),
+            "___syscall198" => func!(crate::syscalls::___syscall198),
             "___syscall199" => func!(crate::syscalls::___syscall199),
+            "___syscall200" => func!(crate::syscalls::___syscall200),
             "___syscall201" => func!(crate::syscalls::___syscall201),
             "___syscall202" => func!(crate::syscalls::___syscall202),
+            "___syscall205" => func!(crate::syscalls::___syscall205),
             "___syscall207" => func!(crate::syscalls::___syscall207),
             "___syscall212" => func!(crate::syscalls::___syscall212),
+            "___syscall219" => func!(crate::syscalls::___syscall219),
             "___syscall220" => func!(crate::syscalls::___syscall220),
             "___syscall221" => func!(crate::syscalls::___syscall221),
             "___syscall268" => func!(crate::syscalls::___syscall268),
@@ -534,6 +568,7 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
             "_setgroups" => func!(crate::process::_setgroups),
             "_setitimer" => func!(crate::process::_setitimer),
             "_usleep" => func!(crate::process::_usleep),
+            "_nanosleep" => func!(crate::process::_nanosleep),
             "_utimes" => func!(crate::process::_utimes),
             "_waitpid" => func!(crate::process::_waitpid),
 
@@ -581,11 +616,14 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
             "_llvm_log2_f64" => func!(crate::math::_llvm_log2_f64),
             "_llvm_log10_f32" => func!(crate::math::_llvm_log10_f32),
             "_llvm_log2_f32" => func!(crate::math::_llvm_log2_f64),
+            "_llvm_sin_f64" => func!(crate::math::_llvm_sin_f64),
+            "_llvm_cos_f64" => func!(crate::math::_llvm_cos_f64),
             "_emscripten_random" => func!(crate::math::_emscripten_random),
 
             // Jump
             "__setjmp" => func!(crate::jmp::__setjmp),
             "__longjmp" => func!(crate::jmp::__longjmp),
+            "_longjmp" => func!(crate::jmp::__longjmp),
 
             // Linking
             "_dlclose" => func!(crate::linking::_dlclose),
@@ -597,6 +635,11 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
             "setTempRet0" => func!(crate::emscripten_target::setTempRet0),
             "getTempRet0" => func!(crate::emscripten_target::getTempRet0),
             "nullFunc_ji" => func!(crate::emscripten_target::nullFunc_ji),
+            "nullFunc_d" => func!(crate::emscripten_target::nullFunc_d),
+            "nullFunc_viidii" => func!(crate::emscripten_target::nullFunc_viidii),
+            "nullFunc_iiiiiii" => func!(crate::emscripten_target::nullFunc_iiiiiii),
+            "nullFunc_iiiiiiii" => func!(crate::emscripten_target::nullFunc_iiiiiiii),
+            "nullFunc_iiiiiiiiii" => func!(crate::emscripten_target::nullFunc_iiiiiiiiii),
             "invoke_i" => func!(crate::emscripten_target::invoke_i),
             "invoke_ii" => func!(crate::emscripten_target::invoke_ii),
             "invoke_iii" => func!(crate::emscripten_target::invoke_iii),
@@ -628,7 +671,12 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
             "_pthread_mutexattr_settype" => func!(crate::emscripten_target::_pthread_mutexattr_settype),
             "_pthread_rwlock_rdlock" => func!(crate::emscripten_target::_pthread_rwlock_rdlock),
             "_pthread_rwlock_unlock" => func!(crate::emscripten_target::_pthread_rwlock_unlock),
+            "_pthread_setcancelstate" => func!(crate::emscripten_target::_pthread_setcancelstate),
             "___gxx_personality_v0" => func!(crate::emscripten_target::___gxx_personality_v0),
+            "_getdtablesize" => func!(crate::emscripten_target::_getdtablesize),
+            "_gethostbyaddr" => func!(crate::emscripten_target::_gethostbyaddr),
+            "_gethostbyname_r" => func!(crate::emscripten_target::_gethostbyname_r),
+            "_getloadavg" => func!(crate::emscripten_target::_getloadavg),
             // round 2
             "nullFunc_dii" => func!(crate::emscripten_target::nullFunc_dii),
             "nullFunc_diiii" => func!(crate::emscripten_target::nullFunc_diiii),
@@ -655,6 +703,9 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
             "invoke_diiii" => func!(crate::emscripten_target::invoke_diiii),
             "invoke_iiiii" => func!(crate::emscripten_target::invoke_iiiii),
             "invoke_iiiiii" => func!(crate::emscripten_target::invoke_iiiiii),
+            "invoke_iiiiiii" => func!(crate::emscripten_target::invoke_iiiiiii),
+            "invoke_iiiiiiii" => func!(crate::emscripten_target::invoke_iiiiiiii),
+            "invoke_iiiiiiiiii" => func!(crate::emscripten_target::invoke_iiiiiiiiii),
             "invoke_vd" => func!(crate::emscripten_target::invoke_vd),
             "invoke_viiiii" => func!(crate::emscripten_target::invoke_viiiii),
             "invoke_viiiiii" => func!(crate::emscripten_target::invoke_viiiiii),
@@ -677,6 +728,7 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
             "invoke_viji" => func!(crate::emscripten_target::invoke_viji),
             "invoke_vijiii" => func!(crate::emscripten_target::invoke_vijiii),
             "invoke_vijj" => func!(crate::emscripten_target::invoke_vijj),
+            "invoke_viidii" => func!(crate::emscripten_target::invoke_viidii),
         },
         "global" => {
           "NaN" => Global::new(Value::F64(f64::NAN)),
@@ -684,6 +736,8 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
         },
         "global.Math" => {
             "pow" => func!(crate::math::pow),
+            "exp" => func!(crate::math::exp),
+            "log" => func!(crate::math::log),
         },
         "asm2wasm" => {
             "f64-rem" => func!(crate::math::f64_rem),
diff --git a/lib/emscripten/src/lock.rs b/lib/emscripten/src/lock.rs
index badb47a1b..f6804e9d1 100644
--- a/lib/emscripten/src/lock.rs
+++ b/lib/emscripten/src/lock.rs
@@ -15,3 +15,8 @@ pub fn ___unlock(_ctx: &mut Ctx, _what: c_int) {
 pub fn ___wait(_ctx: &mut Ctx, _which: u32, _varargs: u32, _three: u32, _four: u32) {
     debug!("emscripten::___wait");
 }
+
+pub fn _flock(_ctx: &mut Ctx, _fd: u32, _op: u32) -> u32 {
+    debug!("emscripten::_flock");
+    0
+}
diff --git a/lib/emscripten/src/math.rs b/lib/emscripten/src/math.rs
index a60966a1c..c73580d77 100644
--- a/lib/emscripten/src/math.rs
+++ b/lib/emscripten/src/math.rs
@@ -12,6 +12,18 @@ pub fn _llvm_log2_f64(_ctx: &mut Ctx, value: f64) -> f64 {
     value.log2()
 }
 
+/// emscripten: _llvm_sin_f64
+pub fn _llvm_sin_f64(_ctx: &mut Ctx, value: f64) -> f64 {
+    debug!("emscripten::_llvm_sin_f64");
+    value.sin()
+}
+
+/// emscripten: _llvm_cos_f64
+pub fn _llvm_cos_f64(_ctx: &mut Ctx, value: f64) -> f64 {
+    debug!("emscripten::_llvm_cos_f64");
+    value.cos()
+}
+
 pub fn _llvm_log10_f32(_ctx: &mut Ctx, _value: f64) -> f64 {
     debug!("emscripten::_llvm_log10_f32");
     -1.0
@@ -37,3 +49,13 @@ pub fn f64_rem(_ctx: &mut Ctx, x: f64, y: f64) -> f64 {
 pub fn pow(_ctx: &mut Ctx, x: f64, y: f64) -> f64 {
     x.powf(y)
 }
+
+// emscripten: global.Math exp
+pub fn exp(_ctx: &mut Ctx, value: f64) -> f64 {
+    value.exp()
+}
+
+// emscripten: global.Math log
+pub fn log(_ctx: &mut Ctx, value: f64) -> f64 {
+    value.ln()
+}
diff --git a/lib/emscripten/src/process.rs b/lib/emscripten/src/process.rs
index 17a31d912..ce47502e7 100644
--- a/lib/emscripten/src/process.rs
+++ b/lib/emscripten/src/process.rs
@@ -121,6 +121,11 @@ pub fn _usleep(_ctx: &mut Ctx, _one: i32) -> i32 {
     -1
 }
 
+pub fn _nanosleep(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
+    debug!("emscripten::_nanosleep");
+    -1
+}
+
 pub fn _utimes(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
     debug!("emscripten::_utimes");
     -1
diff --git a/lib/emscripten/src/syscalls/unix.rs b/lib/emscripten/src/syscalls/unix.rs
index 6a80c8a54..b994fa735 100644
--- a/lib/emscripten/src/syscalls/unix.rs
+++ b/lib/emscripten/src/syscalls/unix.rs
@@ -3,6 +3,7 @@ use crate::varargs::VarArgs;
 /// Syscall list: https://www.cs.utexas.edu/~bismith/test/syscalls/syscalls32.html
 use libc::{
     accept,
+    access,
     bind,
     c_char,
     c_int,
@@ -10,6 +11,7 @@ use libc::{
     chown,
     // fcntl, setsockopt, getppid
     connect,
+    dup,
     dup2,
     fchmod,
     fchown,
@@ -17,18 +19,23 @@ use libc::{
     // ENOTTY,
     fsync,
     getgid,
+    getgroups,
     getpeername,
+    getrusage,
     getsockname,
     getsockopt,
     gid_t,
     in_addr_t,
     in_port_t,
     ioctl,
+    lchown,
+    link,
     // iovec,
     listen,
     mkdir,
     mode_t,
     msghdr,
+    nice,
     open,
     pid_t,
     pread,
@@ -45,9 +52,11 @@ use libc::{
     sendto,
     setpgid,
     setsockopt,
+    size_t,
     sockaddr,
     socket,
     socklen_t,
+    symlink,
     uid_t,
     uname,
     utsname,
@@ -70,10 +79,11 @@ use std::mem;
 #[link(name = "c")]
 extern "C" {
     pub fn wait4(pid: pid_t, status: *mut c_int, options: c_int, rusage: *mut rusage) -> pid_t;
+    pub fn madvise(addr: *mut c_void, len: size_t, advice: c_int) -> c_int;
 }
 
 #[cfg(not(target_os = "macos"))]
-use libc::wait4;
+use libc::{madvise, wait4};
 
 // Another conditional constant for name resolution: Macos et iOS use
 // SO_NOSIGPIPE as a setsockopt flag to disable SIGPIPE emission on socket.
@@ -99,6 +109,89 @@ pub fn ___syscall5(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int
     fd
 }
 
+/// link
+pub fn ___syscall9(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall9 (link) {}", _which);
+
+    let oldname: c_int = varargs.get(ctx);
+    let newname: c_int = varargs.get(ctx);
+    let oldname_ptr = emscripten_memory_pointer!(ctx.memory(0), oldname) as *const i8;
+    let newname_ptr = emscripten_memory_pointer!(ctx.memory(0), newname) as *const i8;
+    let result = unsafe { link(oldname_ptr, newname_ptr) };
+    debug!(
+        "=> oldname: {}, newname: {}, result: {}",
+        unsafe { std::ffi::CStr::from_ptr(oldname_ptr).to_str().unwrap() },
+        unsafe { std::ffi::CStr::from_ptr(newname_ptr).to_str().unwrap() },
+        result,
+    );
+    result
+}
+
+/// getrusage
+pub fn ___syscall77(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall77 (getrusage) {}", _which);
+
+    let resource: c_int = varargs.get(ctx);
+    let rusage_ptr: c_int = varargs.get(ctx);
+    #[allow(clippy::cast_ptr_alignment)]
+    let rusage = emscripten_memory_pointer!(ctx.memory(0), rusage_ptr) as *mut rusage;
+    assert_eq!(8, mem::align_of_val(&rusage));
+    unsafe { getrusage(resource, rusage) }
+}
+
+/// symlink
+pub fn ___syscall83(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall83 (symlink) {}", _which);
+
+    let path1_ptr: c_int = varargs.get(ctx);
+    let path2_ptr: c_int = varargs.get(ctx);
+    let path1 = emscripten_memory_pointer!(ctx.memory(0), path1_ptr) as *mut i8;
+    let path2 = emscripten_memory_pointer!(ctx.memory(0), path2_ptr) as *mut i8;
+    let result = unsafe { symlink(path1, path2) };
+    debug!(
+        "=> path1: {}, path2: {}, result: {}",
+        unsafe { std::ffi::CStr::from_ptr(path1).to_str().unwrap() },
+        unsafe { std::ffi::CStr::from_ptr(path2).to_str().unwrap() },
+        result,
+    );
+    result
+}
+
+/// lchown
+pub fn ___syscall198(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall198 (lchown) {}", _which);
+    let path: c_int = varargs.get(ctx);
+    let uid: uid_t = varargs.get(ctx);
+    let gid: gid_t = varargs.get(ctx);
+    let path_ptr = emscripten_memory_pointer!(ctx.memory(0), path) as *const i8;
+    let result = unsafe { lchown(path_ptr, uid, gid) };
+    debug!(
+        "=> path: {}, uid: {}, gid: {}, result: {}",
+        unsafe { std::ffi::CStr::from_ptr(path_ptr).to_str().unwrap() },
+        uid,
+        gid,
+        result,
+    );
+    result
+}
+
+/// getgroups
+pub fn ___syscall205(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall205 (getgroups) {}", _which);
+    let ngroups_max: c_int = varargs.get(ctx);
+    let groups: c_int = varargs.get(ctx);
+
+    #[allow(clippy::cast_ptr_alignment)]
+    let gid_ptr = emscripten_memory_pointer!(ctx.memory(0), groups) as *mut gid_t;
+    assert_eq!(4, mem::align_of_val(&gid_ptr));
+    let result = unsafe { getgroups(ngroups_max, gid_ptr) };
+    debug!(
+        "=> ngroups_max: {}, gid_ptr: {:?}, result: {}",
+        ngroups_max, gid_ptr, result,
+    );
+    result
+}
+
 // chown
 pub fn ___syscall212(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
     debug!("emscripten::___syscall212 (chown) {}", _which);
@@ -112,6 +205,41 @@ pub fn ___syscall212(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_in
     unsafe { chown(pathname_addr, owner, group) }
 }
 
+/// madvise
+pub fn ___syscall219(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall212 (chown) {}", _which);
+
+    let addr_ptr: c_int = varargs.get(ctx);
+    let len: usize = varargs.get(ctx);
+    let advice: c_int = varargs.get(ctx);
+
+    let addr = emscripten_memory_pointer!(ctx.memory(0), addr_ptr) as *mut c_void;
+
+    unsafe { madvise(addr, len, advice) }
+}
+
+/// access
+pub fn ___syscall33(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall33 (access) {}", _which);
+    let path_ptr: c_int = varargs.get(ctx);
+    let amode: c_int = varargs.get(ctx);
+    let path = emscripten_memory_pointer!(ctx.memory(0), path_ptr) as *const i8;
+    let result = unsafe { access(path, amode) };
+    debug!(
+        "=> path: {}, result: {}",
+        unsafe { std::ffi::CStr::from_ptr(path).to_str().unwrap() },
+        result
+    );
+    result
+}
+
+/// nice
+pub fn ___syscall34(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall34 (nice) {}", _which);
+    let inc_r: c_int = varargs.get(ctx);
+    unsafe { nice(inc_r) }
+}
+
 // mkdir
 pub fn ___syscall39(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
     debug!("emscripten::___syscall39 (mkdir) {}", _which);
@@ -121,6 +249,19 @@ pub fn ___syscall39(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int
     unsafe { mkdir(pathname_addr, mode as _) }
 }
 
+/// dup
+pub fn ___syscall41(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall41 (dup) {}", _which);
+    let fd: c_int = varargs.get(ctx);
+    unsafe { dup(fd) }
+}
+
+/// getgid
+pub fn ___syscall200(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
+    debug!("emscripten::___syscall200 (getgid)");
+    unsafe { getgid() as i32 }
+}
+
 // getgid
 pub fn ___syscall201(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
     debug!("emscripten::___syscall201 (getgid)");
@@ -531,6 +672,7 @@ pub fn ___syscall114(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> pid_
     let options: c_int = varargs.get(ctx);
     let rusage: u32 = varargs.get(ctx);
     let status_addr = emscripten_memory_pointer!(ctx.memory(0), status) as *mut c_int;
+
     let rusage_addr = emscripten_memory_pointer!(ctx.memory(0), rusage) as *mut rusage;
     let res = unsafe { wait4(pid, status_addr, options, rusage_addr) };
     debug!(
diff --git a/lib/emscripten/src/syscalls/windows.rs b/lib/emscripten/src/syscalls/windows.rs
index 19945a8b6..39076761b 100644
--- a/lib/emscripten/src/syscalls/windows.rs
+++ b/lib/emscripten/src/syscalls/windows.rs
@@ -58,6 +58,12 @@ pub fn ___syscall5(ctx: &mut Ctx, which: c_int, mut varargs: VarArgs) -> c_int {
     }
 }
 
+/// link
+pub fn ___syscall9(_ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall9 (link) {}", _which);
+    unimplemented!()
+}
+
 // chown
 pub fn ___syscall212(_ctx: &mut Ctx, which: c_int, mut _varargs: VarArgs) -> c_int {
     debug!("emscripten::___syscall212 (chown) {}", which);
@@ -66,6 +72,18 @@ pub fn ___syscall212(_ctx: &mut Ctx, which: c_int, mut _varargs: VarArgs) -> c_i
     -1
 }
 
+/// access
+pub fn ___syscall33(_ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall33 (access) {}", _which);
+    unimplemented!()
+}
+
+/// nice
+pub fn ___syscall34(_ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall34 (nice) {}", _which);
+    unimplemented!()
+}
+
 // mkdir
 pub fn ___syscall39(ctx: &mut Ctx, which: c_int, mut varargs: VarArgs) -> c_int {
     debug!("emscripten::___syscall39 (mkdir) {}", which);
@@ -76,6 +94,36 @@ pub fn ___syscall39(ctx: &mut Ctx, which: c_int, mut varargs: VarArgs) -> c_int
     unsafe { mkdir(pathname_addr) }
 }
 
+/// dup
+pub fn ___syscall41(_ctx: &mut Ctx, _which: c_int, _varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall41 (dup) {}", _which);
+    unimplemented!()
+}
+
+/// getrusage
+pub fn ___syscall77(_ctx: &mut Ctx, _which: c_int, _varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall77 (getrusage) {}", _which);
+    unimplemented!()
+}
+
+/// symlink
+pub fn ___syscall83(_ctx: &mut Ctx, _which: c_int, _varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall83 (symlink) {}", _which);
+    unimplemented!()
+}
+
+/// lchown
+pub fn ___syscall198(_ctx: &mut Ctx, _which: c_int, _varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall198 (lchown) {}", _which);
+    unimplemented!()
+}
+
+/// getgid
+pub fn ___syscall200(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
+    debug!("emscripten::___syscall200 (getgid)");
+    unimplemented!()
+}
+
 // getgid
 pub fn ___syscall201(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
     debug!("emscripten::___syscall201 (getgid)");
@@ -89,6 +137,18 @@ pub fn ___syscall202(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
     -1
 }
 
+/// getgroups
+pub fn ___syscall205(_ctx: &mut Ctx, _which: c_int, _varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall205 (getgroups) {}", _which);
+    unimplemented!()
+}
+
+/// madvise
+pub fn ___syscall219(_ctx: &mut Ctx, _which: c_int, _varargs: VarArgs) -> c_int {
+    debug!("emscripten::___syscall212 (chown) {}", _which);
+    unimplemented!()
+}
+
 /// dup3
 pub fn ___syscall330(_ctx: &mut Ctx, _which: c_int, mut _varargs: VarArgs) -> pid_t {
     debug!("emscripten::___syscall330 (dup3)");