rename target to polkavm

Signed-off-by: xermicus <cyrill@parity.io>

crates/llvm-context/src/polkavm/evm/context.rs

@@ -0,0 +1,134 @@
+//! Translates the context getter instructions.
+
+use inkwell::values::BasicValue;
+
+use crate::polkavm::context::Context;
+use crate::polkavm::Dependency;
+
+/// Translates the `gas_limit` instruction.
+pub fn gas_limit<'ctx, D>(
+    _context: &mut Context<'ctx, D>,
+) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>>
+where
+    D: Dependency + Clone,
+{
+    todo!()
+}
+
+/// Translates the `gas_price` instruction.
+pub fn gas_price<'ctx, D>(
+    _context: &mut Context<'ctx, D>,
+) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>>
+where
+    D: Dependency + Clone,
+{
+    todo!()
+}
+
+/// Translates the `tx.origin` instruction.
+pub fn origin<'ctx, D>(
+    _context: &mut Context<'ctx, D>,
+) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>>
+where
+    D: Dependency + Clone,
+{
+    todo!()
+}
+
+/// Translates the `chain_id` instruction.
+pub fn chain_id<'ctx, D>(
+    _context: &mut Context<'ctx, D>,
+) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>>
+where
+    D: Dependency + Clone,
+{
+    todo!()
+}
+
+/// Translates the `block_number` instruction.
+pub fn block_number<'ctx, D>(
+    _context: &mut Context<'ctx, D>,
+) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>>
+where
+    D: Dependency + Clone,
+{
+    todo!()
+}
+
+/// Translates the `block_timestamp` instruction.
+pub fn block_timestamp<'ctx, D>(
+    _context: &mut Context<'ctx, D>,
+) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>>
+where
+    D: Dependency + Clone,
+{
+    todo!()
+}
+
+/// Translates the `block_hash` instruction.
+pub fn block_hash<'ctx, D>(
+    _context: &mut Context<'ctx, D>,
+    _index: inkwell::values::IntValue<'ctx>,
+) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>>
+where
+    D: Dependency + Clone,
+{
+    todo!()
+}
+
+/// Translates the `difficulty` instruction.
+pub fn difficulty<'ctx, D>(
+    _context: &mut Context<'ctx, D>,
+) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>>
+where
+    D: Dependency + Clone,
+{
+    todo!()
+}
+
+/// Translates the `coinbase` instruction.
+pub fn coinbase<'ctx, D>(
+    _context: &mut Context<'ctx, D>,
+) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>>
+where
+    D: Dependency + Clone,
+{
+    todo!()
+}
+
+/// Translates the `basefee` instruction.
+pub fn basefee<'ctx, D>(
+    _context: &mut Context<'ctx, D>,
+) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>>
+where
+    D: Dependency + Clone,
+{
+    todo!()
+}
+
+/// Translates the `msize` instruction.
+pub fn msize<'ctx, D>(
+    context: &mut Context<'ctx, D>,
+) -> anyhow::Result<inkwell::values::BasicValueEnum<'ctx>>
+where
+    D: Dependency + Clone,
+{
+    let heap_end = context.build_sbrk(context.xlen_type().const_zero())?;
+    let heap_start = context
+        .get_global(crate::polkavm::GLOBAL_HEAP_MEMORY_POINTER)?
+        .value
+        .as_pointer_value();
+    let heap_size = context.builder().build_int_nuw_sub(
+        context
+            .builder()
+            .build_ptr_to_int(heap_end, context.xlen_type(), "heap_end")?,
+        context
+            .builder()
+            .build_ptr_to_int(heap_start, context.xlen_type(), "heap_start")?,
+        "heap_size",
+    )?;
+    Ok(context
+        .builder()
+        .build_int_z_extend(heap_size, context.field_type(), "heap_size_extended")?
+        .as_basic_value_enum())
+}