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Move some wasm constants and macros

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Brian Carroll 2022-11-13 09:03:26 +00:00
parent 63d9187343
commit 2e67bdf4d0
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4 changed files with 31 additions and 29 deletions
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22
crates/compiler/gen_wasm/src/lib.rs
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@ -35,8 +35,6 @@ const PTR_SIZE: u32 = {
};
const PTR_TYPE: ValueType = ValueType::I32;
pub const STACK_POINTER_GLOBAL_ID: u32 = 0;
pub const FRAME_ALIGNMENT_BYTES: i32 = 16;
pub const MEMORY_NAME: &str = "memory";
pub const BUILTINS_IMPORT_MODULE_NAME: &str = "env";
pub const STACK_POINTER_NAME: &str = "__stack_pointer";
@ -234,26 +232,6 @@ pub fn copy_memory(code_builder: &mut CodeBuilder, config: CopyMemoryConfig) {
}
}
/// Round up to alignment_bytes (which must be a power of 2)
#[macro_export]
macro_rules! round_up_to_alignment {
($unaligned: expr, $alignment_bytes: expr) => {
if $alignment_bytes <= 1 {
$unaligned
} else if $alignment_bytes.count_ones() != 1 {
internal_error!(
"Cannot align to {} bytes. Not a power of 2.",
$alignment_bytes
);
} else {
let mut aligned = $unaligned;
aligned += $alignment_bytes - 1; // if lower bits are non-zero, push it over the next boundary
aligned &= !$alignment_bytes + 1; // mask with a flag that has upper bits 1, lower bits 0
aligned
}
};
}
pub struct WasmDebugSettings {
proc_start_end: bool,
user_procs_ir: bool,