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make unsafe more safe

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This commit is contained in:
Robert Habermeier
2017-05-31 18:43:09 +02:00
parent bf56cd9488
commit 8b14e9fdda
5 changed files with 92 additions and 51 deletions
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16
src/interpreter/env.rs
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@ -9,7 +9,7 @@ use interpreter::module::{ModuleInstanceInterface, ModuleInstance, ExecutionPara
ItemIndex, CallerContext};
use interpreter::memory::{MemoryInstance, LINEAR_MEMORY_PAGE_SIZE};
use interpreter::table::TableInstance;
use interpreter::value::{RuntimeValue, TransmuteInto};
use interpreter::value::RuntimeValue;
use interpreter::variable::VariableInstance;
/// Memory address, at which stack begins.
@ -169,23 +169,23 @@ pub fn env_module(params: EnvParams) -> Result<EnvModuleInstance, Error> {
.build()
.with_export(ExportEntry::new("table".into(), Internal::Table(INDEX_TABLE)))
// globals
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, false), InitExpr::new(vec![Opcode::I32Const(DEFAULT_STACK_BASE.transmute_into())])))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, false), InitExpr::new(vec![Opcode::I32Const(DEFAULT_STACK_BASE as i32)])))
.with_export(ExportEntry::new("STACK_BASE".into(), Internal::Global(INDEX_GLOBAL_STACK_BASE)))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, true), InitExpr::new(vec![Opcode::I32Const(DEFAULT_STACK_BASE.transmute_into())])))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, true), InitExpr::new(vec![Opcode::I32Const(DEFAULT_STACK_BASE as i32)])))
.with_export(ExportEntry::new("STACKTOP".into(), Internal::Global(INDEX_GLOBAL_STACK_TOP)))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, false), InitExpr::new(vec![Opcode::I32Const((DEFAULT_STACK_BASE + params.total_stack).transmute_into())])))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, false), InitExpr::new(vec![Opcode::I32Const((DEFAULT_STACK_BASE + params.total_stack) as i32)])))
.with_export(ExportEntry::new("STACK_MAX".into(), Internal::Global(INDEX_GLOBAL_STACK_MAX)))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, false), InitExpr::new(vec![Opcode::I32Const((DEFAULT_STACK_BASE + params.total_stack).transmute_into())])))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, false), InitExpr::new(vec![Opcode::I32Const((DEFAULT_STACK_BASE + params.total_stack) as i32)])))
.with_export(ExportEntry::new("DYNAMIC_BASE".into(), Internal::Global(INDEX_GLOBAL_DYNAMIC_BASE)))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, true), InitExpr::new(vec![Opcode::I32Const((DEFAULT_STACK_BASE + params.total_stack).transmute_into())])))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, true), InitExpr::new(vec![Opcode::I32Const((DEFAULT_STACK_BASE + params.total_stack) as i32)])))
.with_export(ExportEntry::new("DYNAMICTOP_PTR".into(), Internal::Global(INDEX_GLOBAL_DYNAMICTOP_PTR)))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, params.allow_memory_growth), InitExpr::new(vec![Opcode::I32Const(params.total_memory.transmute_into())])))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, params.allow_memory_growth), InitExpr::new(vec![Opcode::I32Const(params.total_memory as i32)])))
.with_export(ExportEntry::new("TOTAL_MEMORY".into(), Internal::Global(INDEX_GLOBAL_TOTAL_MEMORY)))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, true), InitExpr::new(vec![Opcode::I32Const(0)])))
.with_export(ExportEntry::new("ABORT".into(), Internal::Global(INDEX_GLOBAL_ABORT)))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, true), InitExpr::new(vec![Opcode::I32Const(0)])))
.with_export(ExportEntry::new("EXITSTATUS".into(), Internal::Global(INDEX_GLOBAL_EXIT_STATUS)))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, false), InitExpr::new(vec![Opcode::I32Const(DEFAULT_TABLE_BASE.transmute_into())]))) // TODO: what is this?
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, false), InitExpr::new(vec![Opcode::I32Const(DEFAULT_TABLE_BASE as i32)]))) // TODO: what is this?
.with_export(ExportEntry::new("tableBase".into(), Internal::Global(INDEX_GLOBAL_TABLE_BASE)))
// functions
.function()