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py: Refactor how native emitter code is compiled with a file per arch. 

Instead of emitnative.c having configuration code for each supported
architecture, and then compiling this file multiple times with different
macros defined, this patch adds a file per architecture with the necessary
code to configure the native emitter.  These files then #include the
emitnative.c file.

This simplifies emitnative.c (which is already very large), and simplifies
the build system because emitnative.c no longer needs special handling for
compilation and qstr extraction.
pull/3689/merge
Damien George 2018-04-10 15:06:47 +10:00
rodzic 5ad27d4b8b
commit ef12a4bd05
9 zmienionych plików z 132 dodań i 124 usunięć
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1
py/asmthumb.h
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@ -26,6 +26,7 @@
#ifndef MICROPY_INCLUDED_PY_ASMTHUMB_H
#define MICROPY_INCLUDED_PY_ASMTHUMB_H
#include <assert.h>
#include "py/misc.h"
#include "py/asmbase.h"

15
py/emitnarm.c 100644
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@ -0,0 +1,15 @@
// ARM specific stuff
#include "py/mpconfig.h"
#if MICROPY_EMIT_ARM
// This is defined so that the assembler exports generic assembler API macros
#define GENERIC_ASM_API (1)
#include "py/asmarm.h"
#define N_ARM (1)
#define EXPORT_FUN(name) emit_native_arm_##name
#include "py/emitnative.c"
#endif

97
py/emitnative.c
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@ -57,14 +57,7 @@
#endif
// wrapper around everything in this file
#if (MICROPY_EMIT_X64 && N_X64) \
|| (MICROPY_EMIT_X86 && N_X86) \
|| (MICROPY_EMIT_THUMB && N_THUMB) \
|| (MICROPY_EMIT_ARM && N_ARM) \
|| (MICROPY_EMIT_XTENSA && N_XTENSA) \
// this is defined so that the assembler exports generic assembler API macros
#define GENERIC_ASM_API (1)
#if N_X64 || N_X86 || N_THUMB || N_ARM || N_XTENSA
// define additional generic helper macros
#define ASM_MOV_LOCAL_IMM_VIA(as, local_num, imm, reg_temp) \
@ -73,94 +66,6 @@
ASM_MOV_LOCAL_REG((as), (local_num), (reg_temp)); \
} while (false)
#if N_X64
// x64 specific stuff
#include "py/asmx64.h"
#define EXPORT_FUN(name) emit_native_x64_##name
#elif N_X86
// x86 specific stuff
STATIC byte mp_f_n_args[MP_F_NUMBER_OF] = {
[MP_F_CONVERT_OBJ_TO_NATIVE] = 2,
[MP_F_CONVERT_NATIVE_TO_OBJ] = 2,
[MP_F_LOAD_NAME] = 1,
[MP_F_LOAD_GLOBAL] = 1,
[MP_F_LOAD_BUILD_CLASS] = 0,
[MP_F_LOAD_ATTR] = 2,
[MP_F_LOAD_METHOD] = 3,
[MP_F_LOAD_SUPER_METHOD] = 2,
[MP_F_STORE_NAME] = 2,
[MP_F_STORE_GLOBAL] = 2,
[MP_F_STORE_ATTR] = 3,
[MP_F_OBJ_SUBSCR] = 3,
[MP_F_OBJ_IS_TRUE] = 1,
[MP_F_UNARY_OP] = 2,
[MP_F_BINARY_OP] = 3,
[MP_F_BUILD_TUPLE] = 2,
[MP_F_BUILD_LIST] = 2,
[MP_F_LIST_APPEND] = 2,
[MP_F_BUILD_MAP] = 1,
[MP_F_STORE_MAP] = 3,
#if MICROPY_PY_BUILTINS_SET
[MP_F_BUILD_SET] = 2,
[MP_F_STORE_SET] = 2,
#endif
[MP_F_MAKE_FUNCTION_FROM_RAW_CODE] = 3,
[MP_F_NATIVE_CALL_FUNCTION_N_KW] = 3,
[MP_F_CALL_METHOD_N_KW] = 3,
[MP_F_CALL_METHOD_N_KW_VAR] = 3,
[MP_F_NATIVE_GETITER] = 2,
[MP_F_NATIVE_ITERNEXT] = 1,
[MP_F_NLR_PUSH] = 1,
[MP_F_NLR_POP] = 0,
[MP_F_NATIVE_RAISE] = 1,
[MP_F_IMPORT_NAME] = 3,
[MP_F_IMPORT_FROM] = 2,
[MP_F_IMPORT_ALL] = 1,
#if MICROPY_PY_BUILTINS_SLICE
[MP_F_NEW_SLICE] = 3,
#endif
[MP_F_UNPACK_SEQUENCE] = 3,
[MP_F_UNPACK_EX] = 3,
[MP_F_DELETE_NAME] = 1,
[MP_F_DELETE_GLOBAL] = 1,
[MP_F_NEW_CELL] = 1,
[MP_F_MAKE_CLOSURE_FROM_RAW_CODE] = 3,
[MP_F_SETUP_CODE_STATE] = 5,
[MP_F_SMALL_INT_FLOOR_DIVIDE] = 2,
[MP_F_SMALL_INT_MODULO] = 2,
};
#include "py/asmx86.h"
#define EXPORT_FUN(name) emit_native_x86_##name
#elif N_THUMB
// thumb specific stuff
#include "py/asmthumb.h"
#define EXPORT_FUN(name) emit_native_thumb_##name
#elif N_ARM
// ARM specific stuff
#include "py/asmarm.h"
#define EXPORT_FUN(name) emit_native_arm_##name
#elif N_XTENSA
// Xtensa specific stuff
#include "py/asmxtensa.h"
#define EXPORT_FUN(name) emit_native_xtensa_##name
#else
#error unknown native emitter
#endif
#define EMIT_NATIVE_VIPER_TYPE_ERROR(emit, ...) do { \
*emit->error_slot = mp_obj_new_exception_msg_varg(&mp_type_ViperTypeError, __VA_ARGS__); \
} while (0)

15
py/emitnthumb.c 100644
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@ -0,0 +1,15 @@
// thumb specific stuff
#include "py/mpconfig.h"
#if MICROPY_EMIT_THUMB
// this is defined so that the assembler exports generic assembler API macros
#define GENERIC_ASM_API (1)
#include "py/asmthumb.h"
#define N_THUMB (1)
#define EXPORT_FUN(name) emit_native_thumb_##name
#include "py/emitnative.c"
#endif

15
py/emitnx64.c 100644
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@ -0,0 +1,15 @@
// x64 specific stuff
#include "py/mpconfig.h"
#if MICROPY_EMIT_X64
// This is defined so that the assembler exports generic assembler API macros
#define GENERIC_ASM_API (1)
#include "py/asmx64.h"
#define N_X64 (1)
#define EXPORT_FUN(name) emit_native_x64_##name
#include "py/emitnative.c"
#endif

67
py/emitnx86.c 100644
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@ -0,0 +1,67 @@
// x86 specific stuff
#include "py/mpconfig.h"
#if MICROPY_EMIT_X86
// This is defined so that the assembler exports generic assembler API macros
#define GENERIC_ASM_API (1)
#include "py/asmx86.h"
// x86 needs a table to know how many args a given function has
STATIC byte mp_f_n_args[MP_F_NUMBER_OF] = {
[MP_F_CONVERT_OBJ_TO_NATIVE] = 2,
[MP_F_CONVERT_NATIVE_TO_OBJ] = 2,
[MP_F_LOAD_NAME] = 1,
[MP_F_LOAD_GLOBAL] = 1,
[MP_F_LOAD_BUILD_CLASS] = 0,
[MP_F_LOAD_ATTR] = 2,
[MP_F_LOAD_METHOD] = 3,
[MP_F_LOAD_SUPER_METHOD] = 2,
[MP_F_STORE_NAME] = 2,
[MP_F_STORE_GLOBAL] = 2,
[MP_F_STORE_ATTR] = 3,
[MP_F_OBJ_SUBSCR] = 3,
[MP_F_OBJ_IS_TRUE] = 1,
[MP_F_UNARY_OP] = 2,
[MP_F_BINARY_OP] = 3,
[MP_F_BUILD_TUPLE] = 2,
[MP_F_BUILD_LIST] = 2,
[MP_F_LIST_APPEND] = 2,
[MP_F_BUILD_MAP] = 1,
[MP_F_STORE_MAP] = 3,
#if MICROPY_PY_BUILTINS_SET
[MP_F_BUILD_SET] = 2,
[MP_F_STORE_SET] = 2,
#endif
[MP_F_MAKE_FUNCTION_FROM_RAW_CODE] = 3,
[MP_F_NATIVE_CALL_FUNCTION_N_KW] = 3,
[MP_F_CALL_METHOD_N_KW] = 3,
[MP_F_CALL_METHOD_N_KW_VAR] = 3,
[MP_F_NATIVE_GETITER] = 2,
[MP_F_NATIVE_ITERNEXT] = 1,
[MP_F_NLR_PUSH] = 1,
[MP_F_NLR_POP] = 0,
[MP_F_NATIVE_RAISE] = 1,
[MP_F_IMPORT_NAME] = 3,
[MP_F_IMPORT_FROM] = 2,
[MP_F_IMPORT_ALL] = 1,
#if MICROPY_PY_BUILTINS_SLICE
[MP_F_NEW_SLICE] = 3,
#endif
[MP_F_UNPACK_SEQUENCE] = 3,
[MP_F_UNPACK_EX] = 3,
[MP_F_DELETE_NAME] = 1,
[MP_F_DELETE_GLOBAL] = 1,
[MP_F_NEW_CELL] = 1,
[MP_F_MAKE_CLOSURE_FROM_RAW_CODE] = 3,
[MP_F_SETUP_CODE_STATE] = 5,
[MP_F_SMALL_INT_FLOOR_DIVIDE] = 2,
[MP_F_SMALL_INT_MODULO] = 2,
};
#define N_X86 (1)
#define EXPORT_FUN(name) emit_native_x86_##name
#include "py/emitnative.c"
#endif

15
py/emitnxtensa.c 100644
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@ -0,0 +1,15 @@
// Xtensa specific stuff
#include "py/mpconfig.h"
#if MICROPY_EMIT_XTENSA
// this is defined so that the assembler exports generic assembler API macros
#define GENERIC_ASM_API (1)
#include "py/asmxtensa.h"
#define N_XTENSA (1)
#define EXPORT_FUN(name) emit_native_xtensa_##name
#include "py/emitnative.c"
#endif

5
py/mkrules.mk
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@ -46,10 +46,7 @@ vpath %.c . $(TOP)
$(BUILD)/%.o: %.c
$(call compile_c)
# List all native flags since the current build system doesn't have
# the MicroPython configuration available. However, these flags are
# needed to extract all qstrings
QSTR_GEN_EXTRA_CFLAGS += -DNO_QSTR -DN_X64 -DN_X86 -DN_THUMB -DN_ARM -DN_XTENSA
QSTR_GEN_EXTRA_CFLAGS += -DNO_QSTR
QSTR_GEN_EXTRA_CFLAGS += -I$(BUILD)/tmp
vpath %.c . $(TOP)

26
py/py.mk
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@ -267,8 +267,8 @@ PY_O += $(BUILD)/$(BUILD)/frozen_mpy.o
endif
# Sources that may contain qstrings
SRC_QSTR_IGNORE = py/nlr% py/emitnx86% py/emitnx64% py/emitnthumb% py/emitnarm% py/emitnxtensa%
SRC_QSTR = $(SRC_MOD) $(filter-out $(SRC_QSTR_IGNORE),$(PY_CORE_O_BASENAME:.o=.c)) py/emitnative.c $(PY_EXTMOD_O_BASENAME:.o=.c)
SRC_QSTR_IGNORE = py/nlr%
SRC_QSTR = $(SRC_MOD) $(filter-out $(SRC_QSTR_IGNORE),$(PY_CORE_O_BASENAME:.o=.c)) $(PY_EXTMOD_O_BASENAME:.o=.c)
# Anything that depends on FORCE will be considered out-of-date
FORCE:
@ -295,28 +295,6 @@ $(HEADER_BUILD)/qstrdefs.generated.h: $(PY_QSTR_DEFS) $(QSTR_DEFS) $(QSTR_DEFS_C
# that the function preludes are of a minimal and predictable form.
$(PY_BUILD)/nlr%.o: CFLAGS += -Os
# emitters
$(PY_BUILD)/emitnx64.o: CFLAGS += -DN_X64
$(PY_BUILD)/emitnx64.o: py/emitnative.c
$(call compile_c)
$(PY_BUILD)/emitnx86.o: CFLAGS += -DN_X86
$(PY_BUILD)/emitnx86.o: py/emitnative.c
$(call compile_c)
$(PY_BUILD)/emitnthumb.o: CFLAGS += -DN_THUMB
$(PY_BUILD)/emitnthumb.o: py/emitnative.c
$(call compile_c)
$(PY_BUILD)/emitnarm.o: CFLAGS += -DN_ARM
$(PY_BUILD)/emitnarm.o: py/emitnative.c
$(call compile_c)
$(PY_BUILD)/emitnxtensa.o: CFLAGS += -DN_XTENSA
$(PY_BUILD)/emitnxtensa.o: py/emitnative.c
$(call compile_c)
# optimising gc for speed; 5ms down to 4ms on pybv2
$(PY_BUILD)/gc.o: CFLAGS += $(CSUPEROPT)