py: Allow inline-assembler emitter to be generic.

This patch refactors some code so that it is easier to integrate new
inline assemblers for different architectures other than ARM Thumb.
This commit is contained in:
Damien George 2016-12-09 13:17:49 +11:00
parent 45a6156dfd
commit ad297a1950
7 changed files with 41 additions and 32 deletions

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@ -31,7 +31,7 @@
#include "py/misc.h"
#include "py/asmbase.h"
#if MICROPY_EMIT_NATIVE || MICROPY_EMIT_INLINE_THUMB
#if MICROPY_EMIT_NATIVE || MICROPY_EMIT_INLINE_ASM
void mp_asm_base_init(mp_asm_base_t *as, size_t max_num_labels) {
as->max_num_labels = max_num_labels;
@ -101,4 +101,4 @@ void mp_asm_base_data(mp_asm_base_t* as, unsigned int bytesize, uintptr_t val) {
}
}
#endif // MICROPY_EMIT_NATIVE || MICROPY_EMIT_INLINE_THUMB
#endif // MICROPY_EMIT_NATIVE || MICROPY_EMIT_INLINE_ASM

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@ -86,6 +86,16 @@ typedef enum {
#endif
#endif
#if MICROPY_EMIT_INLINE_ASM
// define macros for inline assembler
#if MICROPY_EMIT_INLINE_THUMB
#define ASM_DECORATOR_QSTR MP_QSTR_asm_thumb
#define ASM_EMITTER(f) emit_inline_thumb_##f
#else
#error "unknown asm emitter"
#endif
#endif
#define EMIT_INLINE_ASM(fun) (comp->emit_inline_asm_method_table->fun(comp->emit_inline_asm))
#define EMIT_INLINE_ASM_ARG(fun, ...) (comp->emit_inline_asm_method_table->fun(comp->emit_inline_asm, __VA_ARGS__))
@ -120,7 +130,7 @@ typedef struct _compiler_t {
const emit_method_table_t *emit_method_table; // current emit method table
#endif
#if MICROPY_EMIT_INLINE_THUMB
#if MICROPY_EMIT_INLINE_ASM
emit_inline_asm_t *emit_inline_asm; // current emitter for inline asm
const emit_inline_asm_method_table_t *emit_inline_asm_method_table; // current emit method table for inline asm
#endif
@ -767,10 +777,10 @@ STATIC bool compile_built_in_decorator(compiler_t *comp, int name_len, mp_parse_
} else if (attr == MP_QSTR_viper) {
*emit_options = MP_EMIT_OPT_VIPER;
#endif
#if MICROPY_EMIT_INLINE_THUMB
} else if (attr == MP_QSTR_asm_thumb) {
*emit_options = MP_EMIT_OPT_ASM_THUMB;
#endif
#if MICROPY_EMIT_INLINE_ASM
} else if (attr == ASM_DECORATOR_QSTR) {
*emit_options = MP_EMIT_OPT_ASM;
#endif
} else {
compile_syntax_error(comp, name_nodes[1], "invalid micropython decorator");
}
@ -3100,7 +3110,7 @@ STATIC void compile_scope(compiler_t *comp, scope_t *scope, pass_kind_t pass) {
assert(comp->cur_except_level == 0);
}
#if MICROPY_EMIT_INLINE_THUMB
#if MICROPY_EMIT_INLINE_ASM
// requires 3 passes: SCOPE, CODE_SIZE, EMIT
STATIC void compile_scope_inline_asm(compiler_t *comp, scope_t *scope, pass_kind_t pass) {
comp->pass = pass;
@ -3357,10 +3367,10 @@ mp_raw_code_t *mp_compile_to_raw_code(mp_parse_tree_t *parse_tree, qstr source_f
uint max_num_labels = 0;
for (scope_t *s = comp->scope_head; s != NULL && comp->compile_error == MP_OBJ_NULL; s = s->next) {
if (false) {
#if MICROPY_EMIT_INLINE_THUMB
} else if (s->emit_options == MP_EMIT_OPT_ASM_THUMB) {
#if MICROPY_EMIT_INLINE_ASM
} else if (s->emit_options == MP_EMIT_OPT_ASM) {
compile_scope_inline_asm(comp, s, MP_PASS_SCOPE);
#endif
#endif
} else {
compile_scope(comp, s, MP_PASS_SCOPE);
}
@ -3382,28 +3392,24 @@ mp_raw_code_t *mp_compile_to_raw_code(mp_parse_tree_t *parse_tree, qstr source_f
// compile pass 2 and 3
#if MICROPY_EMIT_NATIVE
emit_t *emit_native = NULL;
#endif
#if MICROPY_EMIT_INLINE_THUMB
emit_inline_asm_t *emit_inline_thumb = NULL;
#endif
for (scope_t *s = comp->scope_head; s != NULL && comp->compile_error == MP_OBJ_NULL; s = s->next) {
if (false) {
// dummy
#if MICROPY_EMIT_INLINE_THUMB
} else if (s->emit_options == MP_EMIT_OPT_ASM_THUMB) {
// inline assembly for thumb
if (emit_inline_thumb == NULL) {
emit_inline_thumb = emit_inline_thumb_new(max_num_labels);
#if MICROPY_EMIT_INLINE_ASM
} else if (s->emit_options == MP_EMIT_OPT_ASM) {
// inline assembly
if (comp->emit_inline_asm == NULL) {
comp->emit_inline_asm = ASM_EMITTER(new)(max_num_labels);
}
comp->emit = NULL;
comp->emit_inline_asm = emit_inline_thumb;
comp->emit_inline_asm_method_table = &emit_inline_thumb_method_table;
comp->emit_inline_asm_method_table = &ASM_EMITTER(method_table);
compile_scope_inline_asm(comp, s, MP_PASS_CODE_SIZE);
if (comp->compile_error == MP_OBJ_NULL) {
compile_scope_inline_asm(comp, s, MP_PASS_EMIT);
}
#endif
#endif
} else {
@ -3463,11 +3469,11 @@ mp_raw_code_t *mp_compile_to_raw_code(mp_parse_tree_t *parse_tree, qstr source_f
NATIVE_EMITTER(free)(emit_native);
}
#endif
#if MICROPY_EMIT_INLINE_THUMB
if (emit_inline_thumb != NULL) {
emit_inline_thumb_free(emit_inline_thumb);
#if MICROPY_EMIT_INLINE_ASM
if (comp->emit_inline_asm != NULL) {
ASM_EMITTER(free)(comp->emit_inline_asm);
}
#endif
#endif
// free the parse tree
mp_parse_tree_clear(parse_tree);

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@ -36,7 +36,7 @@ enum {
MP_EMIT_OPT_BYTECODE,
MP_EMIT_OPT_NATIVE_PYTHON,
MP_EMIT_OPT_VIPER,
MP_EMIT_OPT_ASM_THUMB,
MP_EMIT_OPT_ASM,
};
// the compiler will raise an exception if an error occurred

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@ -82,7 +82,7 @@ void mp_emit_glue_assign_bytecode(mp_raw_code_t *rc, const byte *code, mp_uint_t
#endif
}
#if MICROPY_EMIT_NATIVE || MICROPY_EMIT_INLINE_THUMB
#if MICROPY_EMIT_NATIVE || MICROPY_EMIT_INLINE_ASM
void mp_emit_glue_assign_native(mp_raw_code_t *rc, mp_raw_code_kind_t kind, void *fun_data, mp_uint_t fun_len, const mp_uint_t *const_table, mp_uint_t n_pos_args, mp_uint_t scope_flags, mp_uint_t type_sig) {
assert(kind == MP_CODE_NATIVE_PY || kind == MP_CODE_NATIVE_VIPER || kind == MP_CODE_NATIVE_ASM);
rc->kind = kind;
@ -138,7 +138,7 @@ mp_obj_t mp_make_function_from_raw_code(const mp_raw_code_t *rc, mp_obj_t def_ar
fun = mp_obj_new_fun_viper(rc->n_pos_args, rc->data.u_native.fun_data, rc->data.u_native.type_sig);
break;
#endif
#if MICROPY_EMIT_INLINE_THUMB
#if MICROPY_EMIT_INLINE_ASM
case MP_CODE_NATIVE_ASM:
fun = mp_obj_new_fun_asm(rc->n_pos_args, rc->data.u_native.fun_data, rc->data.u_native.type_sig);
break;

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@ -296,6 +296,9 @@
// Convenience definition for whether any native emitter is enabled
#define MICROPY_EMIT_NATIVE (MICROPY_EMIT_X64 || MICROPY_EMIT_X86 || MICROPY_EMIT_THUMB || MICROPY_EMIT_ARM || MICROPY_EMIT_XTENSA)
// Convenience definition for whether any inline assembler emitter is enabled
#define MICROPY_EMIT_INLINE_ASM (MICROPY_EMIT_INLINE_THUMB)
/*****************************************************************************/
/* Compiler configuration */

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@ -64,7 +64,7 @@ mp_uint_t mp_convert_obj_to_native(mp_obj_t obj, mp_uint_t type) {
#endif
#if MICROPY_EMIT_NATIVE || MICROPY_EMIT_INLINE_THUMB
#if MICROPY_EMIT_NATIVE || MICROPY_EMIT_INLINE_ASM
// convert a native value to a Micro Python object based on type
mp_obj_t mp_convert_native_to_obj(mp_uint_t val, mp_uint_t type) {

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@ -471,7 +471,7 @@ mp_obj_t mp_obj_new_fun_viper(mp_uint_t n_args, void *fun_data, mp_uint_t type_s
/******************************************************************************/
/* inline assembler functions */
#if MICROPY_EMIT_INLINE_THUMB
#if MICROPY_EMIT_INLINE_ASM
typedef struct _mp_obj_fun_asm_t {
mp_obj_base_t base;
@ -582,4 +582,4 @@ mp_obj_t mp_obj_new_fun_asm(mp_uint_t n_args, void *fun_data, mp_uint_t type_sig
return o;
}
#endif // MICROPY_EMIT_INLINE_THUMB
#endif // MICROPY_EMIT_INLINE_ASM