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allow dynamic configuration of the heap memory (#287)

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This PR changes the implementation of the emulated EVM heap memory:
Instead of linking in a C implementation the code is emitted directly
into the contract module. Which allows making it configurable via a
compiler parameter (a follow up PR to this).

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Signed-off-by: Cyrill Leutwiler <bigcyrill@hotmail.com>
This commit is contained in:
xermicus
2025-04-23 20:25:55 +02:00
committed by GitHub
parent f937188991
commit 357bf58868
11 changed files with 216 additions and 66 deletions
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crates/llvm-context/src/polkavm/const/mod.rs
+6
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@@ -9,6 +9,12 @@ pub static XLEN: usize = revive_common::BIT_LENGTH_X32;
/// The calldata size global variable name.
pub static GLOBAL_CALLDATA_SIZE: &str = "calldatasize";
/// The heap size global variable name.
pub static GLOBAL_HEAP_SIZE: &str = "__heap_size";
/// The heap memory global variable name.
pub static GLOBAL_HEAP_MEMORY: &str = "__heap_memory";
/// The spill buffer global variable name.
pub static GLOBAL_ADDRESS_SPILL_BUFFER: &str = "address_spill_buffer";