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Fix other issues with emscripten integration

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This commit is contained in:
Steve Akinyemi
2019-01-11 20:47:41 +01:00
parent ba6828c3d4
commit 927f6e4155
5 changed files with 117 additions and 115 deletions
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2
lib/emscripten/src/env.rs
View File

@ -8,8 +8,8 @@ use std::mem;
use std::os::raw::c_char;
use super::utils::{allocate_on_stack, copy_cstr_into_wasm, copy_terminated_array_of_cstrs};
use super::EmscriptenData;
use wasmer_runtime::{types::Value, Instance};
//use super::EmscriptenData;
//impl Instance {
// pub fn memory_offset_addr(&self, index: usize, offset: usize) -> *const usize {

212
lib/emscripten/src/lib.rs
View File

@ -6,7 +6,7 @@ use wasmer_runtime::{
import::{Imports},
export::{Export, Context},
types::{
FuncSig, Type, Value,
FuncSig, Type::*, Value,
GlobalDesc,
},
vm::{self, LocalGlobal},
@ -91,23 +91,23 @@ pub fn emscripten_set_up_memory(memory: &mut LinearMemory) {
}
macro_rules! mock_external {
($import:ident, $name:ident) => {{
use wasmer_runtime::types::{FuncSig, Type};
use wasmer_runtime::import::Import;
($imports:ident, $name:ident) => {{
extern "C" fn _mocked_fn() -> i32 {
debug!("emscripten::{} <mock>", stringify!($name));
-1
}
$import.add(
"env".to_string(),
stringify!($name).to_string(),
Import::Func(
unsafe { FuncRef::new(_mocked_fn as _) },
FuncSig {
$imports.register_export(
"env",
stringify!($name),
Export::Function {
func: unsafe { FuncRef::new(_mocked_fn as _) },
ctx: Context::Internal,
signature: FuncSig {
params: vec![],
returns: vec![Type::I32],
returns: vec![I32],
},
},
),
);
}};
}
@ -123,31 +123,31 @@ impl EmscriptenGlobals {
data.push((
"STACKTOP".into(),
LocalGlobal { data: stacktop(STATIC_BUMP) as _ },
GlobalDesc { mutable: false, ty: Type::I32 }),
GlobalDesc { mutable: false, ty: I32 }),
);
data.push((
"DYNAMICTOP_PTR",
"DYNAMICTOP_PTR".into(),
LocalGlobal { data: dynamictop_ptr(STATIC_BUMP) as _ },
GlobalDesc { mutable: false, ty: Type::I32 }),
GlobalDesc { mutable: false, ty: I32 }),
);
data.push((
"Infinity",
"Infinity".into(),
LocalGlobal { data: std::f64::INFINITY.to_bits() },
GlobalDesc { mutable: false, ty: Type::F64 },
GlobalDesc { mutable: false, ty: F64 },
));
data.push((
"NaN",
"NaN".into(),
LocalGlobal { data: std::f64::NAN.to_bits() },
GlobalDesc { mutable: false, ty: Type::F64 },
GlobalDesc { mutable: false, ty: F64 },
));
data.push((
"tableBase",
"tableBase".into(),
LocalGlobal { data: 0 },
GlobalDesc { mutable: false, ty: Type::I32 },
GlobalDesc { mutable: false, ty: I32 },
));
Self {
@ -158,21 +158,17 @@ impl EmscriptenGlobals {
pub fn generate_emscripten_env() -> Imports {
use Type::*;
let mut imports = Imports::new();
let mut env_imports= HashMap::new();
let em_globals = EmscriptenGlobals::new();
// Add globals.
for (name, ref global, desc) in em_globals.data {
for (ref name, ref global, ref desc) in em_globals.data {
let export = Export::Global {
local: global as *mut _,
global: desc,
local: unsafe { std::mem::transmute::<&LocalGlobal, *mut LocalGlobal>(global) },
global: desc.clone(),
};
imports.register_export("env", name, export);
imports.register_export("env", name.clone(), export);
}
// Print functions
@ -1343,84 +1339,84 @@ pub fn generate_emscripten_env() -> Imports {
},
);
mock_external!(import_object, _waitpid);
mock_external!(import_object, _utimes);
mock_external!(import_object, _usleep);
// mock_external!(import_object, _time);
// mock_external!(import_object, _sysconf);
// mock_external!(import_object, _strftime);
mock_external!(import_object, _sigsuspend);
// mock_external!(import_object, _sigprocmask);
// mock_external!(import_object, _sigemptyset);
// mock_external!(import_object, _sigaddset);
// mock_external!(import_object, _sigaction);
mock_external!(import_object, _setitimer);
mock_external!(import_object, _setgroups);
mock_external!(import_object, _setgrent);
mock_external!(import_object, _sem_wait);
mock_external!(import_object, _sem_post);
mock_external!(import_object, _sem_init);
mock_external!(import_object, _sched_yield);
mock_external!(import_object, _raise);
mock_external!(import_object, _mktime);
// mock_external!(import_object, _localtime_r);
// mock_external!(import_object, _localtime);
mock_external!(import_object, _llvm_stacksave);
mock_external!(import_object, _llvm_stackrestore);
mock_external!(import_object, _kill);
mock_external!(import_object, _gmtime_r);
// mock_external!(import_object, _gettimeofday);
// mock_external!(import_object, _getpagesize);
mock_external!(import_object, _getgrent);
mock_external!(import_object, _getaddrinfo);
// mock_external!(import_object, _fork);
// mock_external!(import_object, _exit);
mock_external!(import_object, _execve);
mock_external!(import_object, _endgrent);
// mock_external!(import_object, _clock_gettime);
mock_external!(import_object, ___syscall97);
mock_external!(import_object, ___syscall91);
mock_external!(import_object, ___syscall85);
mock_external!(import_object, ___syscall75);
mock_external!(import_object, ___syscall66);
// mock_external!(import_object, ___syscall64);
// mock_external!(import_object, ___syscall63);
// mock_external!(import_object, ___syscall60);
// mock_external!(import_object, ___syscall54);
// mock_external!(import_object, ___syscall39);
mock_external!(import_object, ___syscall38);
// mock_external!(import_object, ___syscall340);
mock_external!(import_object, ___syscall334);
mock_external!(import_object, ___syscall300);
mock_external!(import_object, ___syscall295);
mock_external!(import_object, ___syscall272);
mock_external!(import_object, ___syscall268);
// mock_external!(import_object, ___syscall221);
mock_external!(import_object, ___syscall220);
// mock_external!(import_object, ___syscall212);
// mock_external!(import_object, ___syscall201);
mock_external!(import_object, ___syscall199);
// mock_external!(import_object, ___syscall197);
mock_external!(import_object, ___syscall196);
// mock_external!(import_object, ___syscall195);
mock_external!(import_object, ___syscall194);
mock_external!(import_object, ___syscall191);
// mock_external!(import_object, ___syscall181);
// mock_external!(import_object, ___syscall180);
mock_external!(import_object, ___syscall168);
// mock_external!(import_object, ___syscall146);
// mock_external!(import_object, ___syscall145);
// mock_external!(import_object, ___syscall142);
mock_external!(import_object, ___syscall140);
// mock_external!(import_object, ___syscall122);
// mock_external!(import_object, ___syscall102);
// mock_external!(import_object, ___syscall20);
mock_external!(import_object, ___syscall15);
mock_external!(import_object, ___syscall10);
mock_external!(import_object, _dlopen);
mock_external!(import_object, _dlclose);
mock_external!(import_object, _dlsym);
mock_external!(import_object, _dlerror);
mock_external!(imports, _waitpid);
mock_external!(imports, _utimes);
mock_external!(imports, _usleep);
// mock_external!(imports, _time);
// mock_external!(imports, _sysconf);
// mock_external!(imports, _strftime);
mock_external!(imports, _sigsuspend);
// mock_external!(imports, _sigprocmask);
// mock_external!(imports, _sigemptyset);
// mock_external!(imports, _sigaddset);
// mock_external!(imports, _sigaction);
mock_external!(imports, _setitimer);
mock_external!(imports, _setgroups);
mock_external!(imports, _setgrent);
mock_external!(imports, _sem_wait);
mock_external!(imports, _sem_post);
mock_external!(imports, _sem_init);
mock_external!(imports, _sched_yield);
mock_external!(imports, _raise);
mock_external!(imports, _mktime);
// mock_external!(imports, _localtime_r);
// mock_external!(imports, _localtime);
mock_external!(imports, _llvm_stacksave);
mock_external!(imports, _llvm_stackrestore);
mock_external!(imports, _kill);
mock_external!(imports, _gmtime_r);
// mock_external!(imports, _gettimeofday);
// mock_external!(imports, _getpagesize);
mock_external!(imports, _getgrent);
mock_external!(imports, _getaddrinfo);
// mock_external!(imports, _fork);
// mock_external!(imports, _exit);
mock_external!(imports, _execve);
mock_external!(imports, _endgrent);
// mock_external!(imports, _clock_gettime);
mock_external!(imports, ___syscall97);
mock_external!(imports, ___syscall91);
mock_external!(imports, ___syscall85);
mock_external!(imports, ___syscall75);
mock_external!(imports, ___syscall66);
// mock_external!(imports, ___syscall64);
// mock_external!(imports, ___syscall63);
// mock_external!(imports, ___syscall60);
// mock_external!(imports, ___syscall54);
// mock_external!(imports, ___syscall39);
mock_external!(imports, ___syscall38);
// mock_external!(imports, ___syscall340);
mock_external!(imports, ___syscall334);
mock_external!(imports, ___syscall300);
mock_external!(imports, ___syscall295);
mock_external!(imports, ___syscall272);
mock_external!(imports, ___syscall268);
// mock_external!(imports, ___syscall221);
mock_external!(imports, ___syscall220);
// mock_external!(imports, ___syscall212);
// mock_external!(imports, ___syscall201);
mock_external!(imports, ___syscall199);
// mock_external!(imports, ___syscall197);
mock_external!(imports, ___syscall196);
// mock_external!(imports, ___syscall195);
mock_external!(imports, ___syscall194);
mock_external!(imports, ___syscall191);
// mock_external!(imports, ___syscall181);
// mock_external!(imports, ___syscall180);
mock_external!(imports, ___syscall168);
// mock_external!(imports, ___syscall146);
// mock_external!(imports, ___syscall145);
// mock_external!(imports, ___syscall142);
mock_external!(imports, ___syscall140);
// mock_external!(imports, ___syscall122);
// mock_external!(imports, ___syscall102);
// mock_external!(imports, ___syscall20);
mock_external!(imports, ___syscall15);
mock_external!(imports, ___syscall10);
mock_external!(imports, _dlopen);
mock_external!(imports, _dlclose);
mock_external!(imports, _dlsym);
mock_external!(imports, _dlerror);
import_object
imports
}

2
lib/emscripten/src/utils.rs
View File

@ -9,7 +9,7 @@ use std::slice;
/// We check if a provided module is an Emscripten generated one
pub fn is_emscripten_module(module: &Module) -> bool {
for (_, import_name) in &module.imported_functions {
if import_name.name == "_emscripten_memcpy_big" && import_name.module == "env" {
if import_name.name == "_emscripten_memcpy_big" && import_name.namespace == "env" {
return true;
}
}

7
src/bin/wasmer.rs
View File

@ -7,6 +7,7 @@ use std::io::Read;
use std::path::PathBuf;
use std::process::exit;
use std::sync::Arc;
use std::rc::Rc;
use structopt::StructOpt;
@ -83,9 +84,11 @@ fn execute_wasm(options: &Run) -> Result<(), String> {
let import_object = if abi == webassembly::InstanceABI::Emscripten {
wasmer_emscripten::generate_emscripten_env()
} else {
wasmer_runtime::Imports::new()
wasmer_runtime::import::Imports::new()
};
let import_object = Rc::new(import_object);
let instance_options = webassembly::InstanceOptions {
mock_missing_imports: true,
mock_missing_globals: true,
@ -97,7 +100,7 @@ fn execute_wasm(options: &Run) -> Result<(), String> {
debug!("webassembly - creating instance");
let mut instance = module.instantiate(&import_object)
let mut instance = module.instantiate(import_object)
.map_err(|err| format!("Can't instantiate the WebAssembly module: {}", err))?;
webassembly::start_instance(

9
src/webassembly/mod.rs
View File

@ -4,9 +4,12 @@ pub mod relocation;
pub mod utils;
use wasmer_clif_backend::CraneliftCompiler;
use wasmer_runtime::{backend::Compiler, module::Module};
use wasmer_runtime;
use wasmer_runtime::{Import, Imports, Instance};
use wasmer_runtime::{
backend::Compiler,
module::Module,
import::Imports,
instance::Instance,
};
use cranelift_codegen::{
isa,
settings::{self, Configurable},