mirror of
https://github.com/pezkuwichain/revive.git
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Ermal Kaleci
aae25107a2
- The storage pointer values will no longer be truncated to the register size, allowing for the use of arbitrary storage keys - Failed storage value reads will now guarantee to return the zero value
66 lines
2.2 KiB
Rust
66 lines
2.2 KiB
Rust
//! Translates the storage operations.
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use crate::polkavm::context::address_space::AddressSpace;
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use crate::polkavm::context::Context;
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use crate::polkavm::Dependency;
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/// Translates the storage load.
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pub fn load<'ctx, D>(
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context: &mut Context<'ctx, D>,
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position: inkwell::values::IntValue<'ctx>,
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) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>>
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where
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D: Dependency + Clone,
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{
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let mut slot_ptr = context.build_alloca_at_entry(context.word_type(), "slot_pointer");
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slot_ptr.address_space = AddressSpace::Storage;
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context.builder().build_store(slot_ptr.value, position)?;
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context.build_load(slot_ptr, "storage_load_value")
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}
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/// Translates the storage store.
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pub fn store<'ctx, D>(
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context: &mut Context<'ctx, D>,
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position: inkwell::values::IntValue<'ctx>,
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value: inkwell::values::IntValue<'ctx>,
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) -> anyhow::Result<()>
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where
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D: Dependency + Clone,
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{
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let mut slot_ptr = context.build_alloca_at_entry(context.word_type(), "slot_pointer");
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slot_ptr.address_space = AddressSpace::Storage;
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context.builder().build_store(slot_ptr.value, position)?;
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context.build_store(slot_ptr, value)?;
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Ok(())
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}
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/// Translates the transient storage load.
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pub fn transient_load<'ctx, D>(
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context: &mut Context<'ctx, D>,
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position: inkwell::values::IntValue<'ctx>,
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) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>>
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where
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D: Dependency + Clone,
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{
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let mut slot_ptr = context.build_alloca_at_entry(context.word_type(), "slot_pointer");
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slot_ptr.address_space = AddressSpace::TransientStorage;
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context.builder().build_store(slot_ptr.value, position)?;
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context.build_load(slot_ptr, "transient_storage_load_value")
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}
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/// Translates the transient storage store.
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pub fn transient_store<'ctx, D>(
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context: &mut Context<'ctx, D>,
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position: inkwell::values::IntValue<'ctx>,
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value: inkwell::values::IntValue<'ctx>,
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) -> anyhow::Result<()>
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where
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D: Dependency + Clone,
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{
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let mut slot_ptr = context.build_alloca_at_entry(context.word_type(), "slot_pointer");
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slot_ptr.address_space = AddressSpace::TransientStorage;
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context.builder().build_store(slot_ptr.value, position)?;
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context.build_store(slot_ptr, value)?;
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Ok(())
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}
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