add many emscripten functions for PHP

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");
+    }
+}

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
+}

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!()
+}

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) }
+}

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!()
+}