mirror of
https://github.com/pezkuwichain/revive.git
synced 2026-04-26 04:07:57 +00:00
Cyrill Leutwiler
6585973e99
- Update pallet-revive dependency - Implement calls according to pallet-revive call semantics - Switch to the new return data API in pallet revive and get rid of return data buffer - Remove a bunch of resulting dead code
109 lines
3.9 KiB
Rust
109 lines
3.9 KiB
Rust
use inkwell::{
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builder::Builder,
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context::Context,
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module::Module,
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types::{BasicType, StructType},
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values::{BasicValueEnum, PointerValue},
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};
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/// Creates a module that sets the PolkaVM minimum stack size to [`size`] if linked in.
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pub fn min_stack_size<'context>(
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context: &'context Context,
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module_name: &str,
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size: u32,
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) -> Module<'context> {
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let module = context.create_module(module_name);
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module.set_inline_assembly(&format!(
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".pushsection .polkavm_min_stack_size,\"\",@progbits
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.word {size}
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.popsection"
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));
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module
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}
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/// Helper for building function calls with stack spilled arguments.
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/// - `pointer`: points to a struct of the packed argument struct type
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/// - `type`: the packed argument struct type
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/// - `arguments`: a correctly ordered list of the struct field values
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pub fn spill<'ctx>(
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builder: &Builder<'ctx>,
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pointer: PointerValue<'ctx>,
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r#type: StructType<'ctx>,
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arguments: &[BasicValueEnum<'ctx>],
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) -> anyhow::Result<()> {
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for index in 0..r#type.get_field_types().len() {
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let field_pointer = builder.build_struct_gep(
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r#type,
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pointer,
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index as u32,
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&format!("spill_parameter_{}", index),
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)?;
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let field_value = arguments
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.get(index)
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.ok_or_else(|| anyhow::anyhow!("invalid index {index} for struct type {}", r#type))?;
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builder.build_store(field_pointer, *field_value)?;
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}
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Ok(())
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}
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/// Returns a packed struct argument type for the `instantiate` API.
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pub fn instantiate(context: &Context) -> StructType {
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context.struct_type(
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&[
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// code_hash_ptr: u32,
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context.ptr_type(Default::default()).as_basic_type_enum(),
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// ref_time_limit: u64,
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context.i64_type().as_basic_type_enum(),
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// proof_size_limit: u64,
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context.i64_type().as_basic_type_enum(),
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// deposit_ptr: u32,
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context.ptr_type(Default::default()).as_basic_type_enum(),
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// value_ptr: u32,
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context.ptr_type(Default::default()).as_basic_type_enum(),
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// input_data_ptr: u32,
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context.ptr_type(Default::default()).as_basic_type_enum(),
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// input_data_len: u32,
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context.i32_type().as_basic_type_enum(),
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// address_ptr: u32,
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context.ptr_type(Default::default()).as_basic_type_enum(),
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// output_ptr: u32,
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context.ptr_type(Default::default()).as_basic_type_enum(),
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// output_len_ptr: u32,
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context.ptr_type(Default::default()).as_basic_type_enum(),
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// salt_ptr: u32,
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context.ptr_type(Default::default()).as_basic_type_enum(),
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],
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true,
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)
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}
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/// Returns a packed struct argument type for the `call` API.
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pub fn call(context: &Context) -> StructType {
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context.struct_type(
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&[
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// flags: u32,
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context.i32_type().as_basic_type_enum(),
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// address_ptr:
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context.ptr_type(Default::default()).as_basic_type_enum(),
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// ref_time_limit: u64,
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context.i64_type().as_basic_type_enum(),
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// proof_size_limit: u64,
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context.i64_type().as_basic_type_enum(),
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// deposit_ptr: u32,
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context.ptr_type(Default::default()).as_basic_type_enum(),
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// value_ptr: u32,
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context.ptr_type(Default::default()).as_basic_type_enum(),
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// input_data_ptr: u32,
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context.ptr_type(Default::default()).as_basic_type_enum(),
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// input_data_len: u32,
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context.i32_type().as_basic_type_enum(),
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// output_ptr: u32,
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context.ptr_type(Default::default()).as_basic_type_enum(),
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// output_len_ptr: u32,
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context.ptr_type(Default::default()).as_basic_type_enum(),
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],
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true,
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)
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}
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