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wip - fix #636, check memory before calculating offset

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This commit is contained in:
data-pup
2019-11-26 12:43:31 -05:00
parent 46766ed925
commit bbea2855be
1 changed files with 24 additions and 20 deletions
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44
crates/jit/src/compiler.rs
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@@ -163,26 +163,30 @@ impl Compiler {
let body_len = compilation.get(i).body.len();
funcs.push((ptr, body_len));
}
let module_vmctx_info = {
let ofs = VMOffsets::new(target_config.pointer_bytes(), &module);
let memory_offset =
ofs.vmctx_vmmemory_definition_base(DefinedMemoryIndex::new(0)) as i64;
ModuleVmctxInfo {
memory_offset,
stack_slots,
}
};
let bytes = emit_debugsections_image(
triple,
&target_config,
&debug_data,
&module_vmctx_info,
&address_transform,
&value_ranges,
&funcs,
)
.map_err(|e| SetupError::DebugInfo(e))?;
Some(bytes)
let ofs = VMOffsets::new(target_config.pointer_bytes(), &module);
if ofs.num_defined_memories > 0 {
let module_vmctx_info = {
let memory_offset =
ofs.vmctx_vmmemory_definition_base(DefinedMemoryIndex::new(0)) as i64;
ModuleVmctxInfo {
memory_offset,
stack_slots,
}
};
let bytes = emit_debugsections_image(
triple,
&target_config,
&debug_data,
&module_vmctx_info,
&address_transform,
&value_ranges,
&funcs,
)
.map_err(|e| SetupError::DebugInfo(e))?;
Some(bytes)
} else {
None
}
} else {
None
};