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Merge pull request #73 from NikVolf/fix-membase

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Add memoryBase to emscripten env-module
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Svyatoslav Nikolsky 2017-07-26 22:19:40 +03:00 committed by GitHub
commit b70cf744f2
1 changed files with 6 additions and 0 deletions
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6
src/interpreter/env.rs
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@ -22,6 +22,8 @@ const DEFAULT_TOTAL_MEMORY: u32 = 16 * 1024 * 1024;
const DEFAULT_ALLOW_MEMORY_GROWTH: bool = false;
/// Default tableBase variable value.
const DEFAULT_TABLE_BASE: u32 = 0;
/// Default tableBase variable value.
const DEFAULT_MEMORY_BASE: u32 = 0;
/// Defaul table size.
const DEFAULT_TABLE_SIZE: u32 = 16;
@ -50,6 +52,8 @@ const INDEX_GLOBAL_ABORT: u32 = 6;
const INDEX_GLOBAL_EXIT_STATUS: u32 = 7;
/// Index of tableBase global variable.
const INDEX_GLOBAL_TABLE_BASE: u32 = 8;
/// Index of memoryBase global.
const INDEX_GLOBAL_MEMORY_BASE: u32 = 9;
/// Index of abort function.
const INDEX_FUNC_ABORT: u32 = 0;
@ -195,6 +199,8 @@ pub fn env_module(params: EnvParams) -> Result<EnvModuleInstance, Error> {
.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 as i32)]))) // TODO: what is this?
.with_export(ExportEntry::new("tableBase".into(), Internal::Global(INDEX_GLOBAL_TABLE_BASE)))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, false), InitExpr::new(vec![Opcode::I32Const(DEFAULT_MEMORY_BASE as i32)]))) // TODO: what is this?
.with_export(ExportEntry::new("memoryBase".into(), Internal::Global(INDEX_GLOBAL_MEMORY_BASE)))
// functions
.function()
.signature().build()