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JIT: additional optimizations #1935

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c8673a4
JIT on esp32: fix CMakeLists
pguyot Oct 23, 2025
a1ce635
Add macro for instrumenting jit generation memory usage
pguyot Oct 24, 2025
03a750d
riscv32: Optimize memory usage by patching jump table asap
pguyot Oct 24, 2025
6ae54ee
JIT: directly emit code if label address is known
pguyot Oct 24, 2025
3489976
riscv32: embedded JIT on esp32
pguyot Oct 23, 2025
0df3d25
Dump largest refc binaries on oom crashes
pguyot Oct 25, 2025
e9f44a5
JIT: make imported functions available to compiler
pguyot Sep 22, 2025
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13 changes: 13 additions & 0 deletions libs/estdlib/src/code_server.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@
atom_resolver/2,
literal_resolver/2,
type_resolver/2,
import_resolver/2,
set_native_code/3
]).

Expand Down Expand Up @@ -135,6 +136,14 @@ literal_resolver(_Module, _Index) ->
type_resolver(_Module, _Index) ->
erlang:nif_error(undefined).

%% @doc Get an imported function triplet from its index
%% @return The imported function as {Module, Function, Arity}
%% @param Module module to get the imported function from
%% @param Index imported function index in the module
-spec import_resolver(Module :: module(), Index :: non_neg_integer()) -> {atom(), atom(), non_neg_integer()}.
import_resolver(_Module, _Index) ->
erlang:nif_error(undefined).

%% @doc Associate a native code stream with a module
%% @return ok
%% @param Module module to set the native code of
Expand Down Expand Up @@ -164,13 +173,17 @@ load(Module) ->
code_server:literal_resolver(Module, Index)
end,
TypeResolver = fun(Index) -> code_server:type_resolver(Module, Index) end,
ImportResolver = fun(Index) ->
code_server:import_resolver(Module, Index)
end,
{StreamModule, Stream0} = jit:stream(jit_mmap_size(byte_size(Code))),
{BackendModule, BackendState0} = jit:backend(StreamModule, Stream0),
{LabelsCount, BackendState1} = jit:compile(
Code,
AtomResolver,
LiteralResolver,
TypeResolver,
ImportResolver,
BackendModule,
BackendState0
),
Expand Down
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