alexcrichton

--- before	2020-06-25 13:55:56.943297377 -0700
+++ after	2020-06-25 13:56:01.743316233 -0700
@@ -1,8 +1,8 @@
 if value != null:
   value.ref_count += 1
 let current_elem = table[index]
+table[index] = value
 if current_elem != null:
   current_elem.ref_count -= 1
   if current_elem.ref_count == 0:

alexcrichton

use std::cell::RefCell;
use std::rc::Rc;
use wasmtime::*;

struct A {
    table: Table,
    put_the_thing: Rc<RefCell<Option<Val>>>,
    contents: String,
}

alexcrichton

use wasmtime::*;

struct A {
    table: Table,
    a: i32,
}

impl Drop for A {
    fn drop(&mut self) {
        let me = self.table.get(0).unwrap();

alexcrichton

; ModuleID = 'bar.3a1fbbbh-cgu.0'
source_filename = "bar.3a1fbbbh-cgu.0"
target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc"

$__rust_panic_type_info = comdat any

@"??_7type_info@@6B@" = external global i8*
@__rust_panic_type_info = linkonce_odr global { i8**, i8*, [11 x i8] } { i8** @"??_7type_info@@6B@", i8* null, [11 x i8] c"rust_panic\00" }, comdat

alexcrichton

pub struct Parser {
    // internally has a state machine which looks like:
    //
    // * parsing a section - in this state we're looking for the section header
    //   which indicates the section code and how big the section is. Depending
    //   on the section code this will indicate what form of chunk is returned.
    //   This also waits for some sections to be entirely resident before
    //   proceeding.
    //
    // * parsing functions - this has a count of how many functions are

alexcrichton

package main

// #include <assert.h>
// #include <signal.h>
// #include <sys/mman.h>
//
// #define ALT_STACK_SIZE (16 * 4096)
//
// void my_run() {
//   void *stack = mmap(NULL, ALT_STACK_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);

alexcrichton

+ [ -z arm-unknown-linux-gnueabihf ]
+ run arm-unknown-linux-gnueabihf
+ docker build -t backtrace -f ci/docker/arm-unknown-linux-gnueabihf/Dockerfile ci
Sending build context to Docker daemon  32.26kB
Step 1/3 : FROM ubuntu:20.04
 ---> 1d622ef86b13
Step 2/3 : RUN apt-get update && apt-get install -y --no-install-recommends   gcc   ca-certificates   libc6-dev   gcc-arm-linux-gnueabihf   libc6-dev-armhf-cross   qemu-user
 ---> Using cache
 ---> 3b0e9e7b0675
Step 3/3 : ENV CARGO_TARGET_ARM_UNKNOWN_LINUX_GNUEABIHF_LINKER=arm-linux-gnueabihf-gcc     CARGO_TARGET_ARM_UNKNOWN_LINUX_GNUEABIHF_RUNNER="qemu-arm -L /usr/arm-linux-gnueabihf"

alexcrichton

--- before.wast	2020-06-09 12:49:42.448000829 -0700
+++ tests/local/module-linking/a.wast	2020-06-09 12:50:29.456176376 -0700
@@ -3,42 +3,42 @@
 ;; boilerplate, it is proportional in size to only the *direct* dependencies.
 
 (module $A
-  (type $Wasi (instance ...))
+  (type $Wasi (instance ))
   (import "wasi" (instance (type $Wasi)))
-  (func (export "a") ...)

alexcrichton

;;(module
;;  (type $Wasi (instance))
;;  (module $B)
;;  (module $B_wrap
;;    (import "wasi" (instance $wasi (type $Wasi)))
;;    (instance $b (instantiate $B))
;;    (export $b)
;;  )
;;)
(module

alexcrichton

#[no_mangle]
pub extern "C" fn wasm_sin(key: i32) -> i32 {
    (key as f32).sin() as i32
}