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py/emitndebug: Add native debug emitter.

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This emitter prints out pseudo-machine instructions, instead of the usual
output of the native emitter.  It can be enabled on any port via
`MICROPY_EMIT_NATIVE_DEBUG` (make sure other native emitters are disabled)
but the easiest way to use it is with mpy-cross:

    $ mpy-cross -march=debug file.py

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2024-03-07 11:38:27 +11:00
parent e2ae03e979
commit 9dbc787ce8
11 changed files with 315 additions and 4 deletions
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3
py/emit.h
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@@ -202,6 +202,7 @@ extern const emit_method_table_t emit_native_arm_method_table;
extern const emit_method_table_t emit_native_xtensa_method_table;
extern const emit_method_table_t emit_native_xtensawin_method_table;
extern const emit_method_table_t emit_native_rv32_method_table;
extern const emit_method_table_t emit_native_debug_method_table;
extern const mp_emit_method_table_id_ops_t mp_emit_bc_method_table_load_id_ops;
extern const mp_emit_method_table_id_ops_t mp_emit_bc_method_table_store_id_ops;
@@ -215,6 +216,7 @@ emit_t *emit_native_arm_new(mp_emit_common_t *emit_common, mp_obj_t *error_slot,
emit_t *emit_native_xtensa_new(mp_emit_common_t *emit_common, mp_obj_t *error_slot, uint *label_slot, mp_uint_t max_num_labels);
emit_t *emit_native_xtensawin_new(mp_emit_common_t *emit_common, mp_obj_t *error_slot, uint *label_slot, mp_uint_t max_num_labels);
emit_t *emit_native_rv32_new(mp_emit_common_t *emit_common, mp_obj_t *error_slot, uint *label_slot, mp_uint_t max_num_labels);
emit_t *emit_native_debug_new(mp_emit_common_t *emit_common, mp_obj_t *error_slot, uint *label_slot, mp_uint_t max_num_labels);
void emit_bc_set_max_num_labels(emit_t *emit, mp_uint_t max_num_labels);
@@ -226,6 +228,7 @@ void emit_native_arm_free(emit_t *emit);
void emit_native_xtensa_free(emit_t *emit);
void emit_native_xtensawin_free(emit_t *emit);
void emit_native_rv32_free(emit_t *emit);
void emit_native_debug_free(emit_t *emit);
void mp_emit_bc_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scope);
bool mp_emit_bc_end_pass(emit_t *emit);