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https://github.com/pezkuwichain/revive.git
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Cyrill Leutwiler
cffa14a4d2
Provide a modified (and incomplete) version of ZKSync zksolc that can compile the most basic contracts
88 lines
1.9 KiB
Rust
88 lines
1.9 KiB
Rust
//!
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//! Translates the heap memory operations.
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//!
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use inkwell::values::BasicValue;
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use crate::eravm::context::address_space::AddressSpace;
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use crate::eravm::context::pointer::Pointer;
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use crate::eravm::context::Context;
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use crate::eravm::Dependency;
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///
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/// Translates the `mload` instruction.
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///
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/// Uses the main heap.
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///
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pub fn load<'ctx, D>(
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context: &mut Context<'ctx, D>,
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offset: 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 pointer = Pointer::new_with_offset(
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context,
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AddressSpace::Heap,
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context.field_type(),
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offset,
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"memory_load_pointer",
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);
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context.build_load(pointer, "memory_load_result")
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}
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///
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/// Translates the `mstore` instruction.
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///
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/// Uses the main heap.
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///
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pub fn store<'ctx, D>(
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context: &mut Context<'ctx, D>,
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offset: 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 pointer = Pointer::new_with_offset(
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context,
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AddressSpace::Heap,
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context.field_type(),
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offset,
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"memory_store_pointer",
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);
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context.build_store(pointer, value)?;
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Ok(())
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}
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///
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/// Translates the `mstore8` instruction.
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///
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/// Uses the main heap.
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///
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pub fn store_byte<'ctx, D>(
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context: &mut Context<'ctx, D>,
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offset: 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 offset_pointer = Pointer::new_with_offset(
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context,
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AddressSpace::Heap,
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context.byte_type(),
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offset,
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"mstore8_offset_pointer",
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);
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context.build_call(
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context.llvm_runtime().mstore8,
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&[
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offset_pointer.value.as_basic_value_enum(),
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value.as_basic_value_enum(),
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],
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"mstore8_call",
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);
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Ok(())
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}
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