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[Decompiler] WIP: Stack Spills (#382)

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* set up types

* cleaned up type analysis and got things working through atomic ops

* expression working, need types

* improved types and names

* getting close

* finish up dma-disasm

* fix
This commit is contained in:
water111
2021-04-25 14:48:54 -04:00
committed by GitHub
parent 54ccc9db97
commit 2002db359a
43 changed files with 3187 additions and 99 deletions
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decompiler/IR2/Form.cpp
+46
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@@ -2291,6 +2291,52 @@ void VectorFloatLoadStoreElement::collect_vf_regs(RegSet& regs) const {
regs.insert(m_vf_reg);
}
////////////////////////////////
// StackSpillStoreElement
////////////////////////////////
StackSpillStoreElement::StackSpillStoreElement(RegisterAccess value,
int size,
int stack_offset,
const std::optional<TypeSpec>& cast_type)
: m_value(value), m_size(size), m_stack_offset(stack_offset), m_cast_type(cast_type) {}
goos::Object StackSpillStoreElement::to_form_internal(const Env& env) const {
return pretty_print::build_list(
fmt::format("set! {}", env.get_spill_slot_var_name(m_stack_offset)), m_value.to_form(env));
}
void StackSpillStoreElement::apply(const std::function<void(FormElement*)>& f) {
f(this);
}
void StackSpillStoreElement::apply_form(const std::function<void(Form*)>&) {}
void StackSpillStoreElement::collect_vars(RegAccessSet& vars, bool) const {
vars.insert(m_value);
}
void StackSpillStoreElement::get_modified_regs(RegSet&) const {}
////////////////////////////////
// StackSpillValueElement
////////////////////////////////
StackSpillValueElement::StackSpillValueElement(int size, int stack_offset, bool is_signed)
: m_size(size), m_stack_offset(stack_offset), m_is_signed(is_signed) {}
goos::Object StackSpillValueElement::to_form_internal(const Env& env) const {
return pretty_print::to_symbol(env.get_spill_slot_var_name(m_stack_offset));
}
void StackSpillValueElement::apply(const std::function<void(FormElement*)>& f) {
f(this);
}
void StackSpillValueElement::apply_form(const std::function<void(Form*)>&) {}
void StackSpillValueElement::collect_vars(RegAccessSet&, bool) const {}
void StackSpillValueElement::get_modified_regs(RegSet&) const {}
////////////////////////////////
// Utilities
////////////////////////////////