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py: Add support for emitting native x86 machine code.

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This commit is contained in:
Damien George 2014-09-06 23:06:36 +01:00
parent 33b50a0217
commit c90f59ec3a
10 changed files with 987 additions and 249 deletions
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12
py/asmx64.h
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@ -37,12 +37,12 @@
#define REG_RDI (7)
// condition codes, used for jcc and setcc (despite their j-name!)
#define JCC_JB (0x2) // below, unsigned
#define JCC_JZ (0x4)
#define JCC_JE (0x4)
#define JCC_JNZ (0x5)
#define JCC_JNE (0x5)
#define JCC_JL (0xc) // less, signed
#define ASM_X64_CC_JB (0x2) // below, unsigned
#define ASM_X64_CC_JZ (0x4)
#define ASM_X64_CC_JE (0x4)
#define ASM_X64_CC_JNZ (0x5)
#define ASM_X64_CC_JNE (0x5)
#define ASM_X64_CC_JL (0xc) // less, signed
#define REG_RET REG_RAX
#define REG_ARG_1 REG_RDI

520
py/asmx86.c Normal file
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@ -0,0 +1,520 @@
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdint.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include "mpconfig.h"
#include "misc.h"
// wrapper around everything in this file
#if MICROPY_EMIT_X86
#include "asmx86.h"
/* all offsets are measured in multiples of 4 bytes */
#define WORD_SIZE (4)
#define OPCODE_NOP (0x90)
#define OPCODE_PUSH_R32 (0x50)
//#define OPCODE_PUSH_I32 (0x68)
//#define OPCODE_PUSH_M32 (0xff) /* /6 */
#define OPCODE_POP_R32 (0x58)
#define OPCODE_RET (0xc3)
//#define OPCODE_MOV_I8_TO_R8 (0xb0) /* +rb */
#define OPCODE_MOV_I32_TO_R32 (0xb8)
//#define OPCODE_MOV_I32_TO_RM32 (0xc7)
#define OPCODE_MOV_R32_TO_RM32 (0x89)
#define OPCODE_MOV_RM32_TO_R32 (0x8b)
#define OPCODE_LEA_MEM_TO_R32 (0x8d) /* /r */
#define OPCODE_XOR_R32_TO_RM32 (0x31) /* /r */
#define OPCODE_ADD_R32_TO_RM32 (0x01)
//#define OPCODE_ADD_I32_TO_RM32 (0x81) /* /0 */
//#define OPCODE_ADD_I8_TO_RM32 (0x83) /* /0 */
//#define OPCODE_SUB_R32_FROM_RM32 (0x29)
#define OPCODE_SUB_I32_FROM_RM32 (0x81) /* /5 */
#define OPCODE_SUB_I8_FROM_RM32 (0x83) /* /5 */
//#define OPCODE_SHL_RM32_BY_I8 (0xc1) /* /4 */
//#define OPCODE_SHR_RM32_BY_I8 (0xc1) /* /5 */
//#define OPCODE_SAR_RM32_BY_I8 (0xc1) /* /7 */
//#define OPCODE_CMP_I32_WITH_RM32 (0x81) /* /7 */
//#define OPCODE_CMP_I8_WITH_RM32 (0x83) /* /7 */
#define OPCODE_CMP_R32_WITH_RM32 (0x39)
//#define OPCODE_CMP_RM32_WITH_R32 (0x3b)
#define OPCODE_TEST_R8_WITH_RM8 (0x84) /* /r */
#define OPCODE_JMP_REL8 (0xeb)
#define OPCODE_JMP_REL32 (0xe9)
#define OPCODE_JCC_REL8 (0x70) /* | jcc type */
#define OPCODE_JCC_REL32_A (0x0f)
#define OPCODE_JCC_REL32_B (0x80) /* | jcc type */
#define OPCODE_SETCC_RM8_A (0x0f)
#define OPCODE_SETCC_RM8_B (0x90) /* | jcc type, /0 */
#define OPCODE_CALL_REL32 (0xe8)
#define OPCODE_CALL_RM32 (0xff) /* /2 */
#define OPCODE_LEAVE (0xc9)
#define MODRM_R32(x) ((x) << 3)
#define MODRM_RM_DISP0 (0x00)
#define MODRM_RM_DISP8 (0x40)
#define MODRM_RM_DISP32 (0x80)
#define MODRM_RM_REG (0xc0)
#define MODRM_RM_R32(x) (x)
#define IMM32_L0(x) ((x) & 0xff)
#define IMM32_L1(x) (((x) >> 8) & 0xff)
#define IMM32_L2(x) (((x) >> 16) & 0xff)
#define IMM32_L3(x) (((x) >> 24) & 0xff)
#define SIGNED_FIT8(x) (((x) & 0xffffff80) == 0) || (((x) & 0xffffff80) == 0xffffff80)
struct _asm_x86_t {
uint pass;
mp_uint_t code_offset;
mp_uint_t code_size;
byte *code_base;
byte dummy_data[8];
uint max_num_labels;
int *label_offsets;
int num_locals;
};
asm_x86_t *asm_x86_new(mp_uint_t max_num_labels) {
asm_x86_t *as;
as = m_new0(asm_x86_t, 1);
as->max_num_labels = max_num_labels;
as->label_offsets = m_new(int, max_num_labels);
return as;
}
void asm_x86_free(asm_x86_t *as, bool free_code) {
if (free_code) {
MP_PLAT_FREE_EXEC(as->code_base, as->code_size);
}
m_del_obj(asm_x86_t, as);
}
void asm_x86_start_pass(asm_x86_t *as, mp_uint_t pass) {
as->pass = pass;
as->code_offset = 0;
if (pass == ASM_X86_PASS_COMPUTE) {
// reset all labels
memset(as->label_offsets, -1, as->max_num_labels * sizeof(int));
}
}
void asm_x86_end_pass(asm_x86_t *as) {
if (as->pass == ASM_X86_PASS_COMPUTE) {
MP_PLAT_ALLOC_EXEC(as->code_offset, (void**) &as->code_base, &as->code_size);
if(as->code_base == NULL) {
assert(0);
}
}
}
// all functions must go through this one to emit bytes
STATIC byte *asm_x86_get_cur_to_write_bytes(asm_x86_t *as, int num_bytes_to_write) {
//printf("emit %d\n", num_bytes_to_write);
if (as->pass < ASM_X86_PASS_EMIT) {
as->code_offset += num_bytes_to_write;
return as->dummy_data;
} else {
assert(as->code_offset + num_bytes_to_write <= as->code_size);
byte *c = as->code_base + as->code_offset;
as->code_offset += num_bytes_to_write;
return c;
}
}
mp_uint_t asm_x86_get_code_size(asm_x86_t *as) {
return as->code_size;
}
void *asm_x86_get_code(asm_x86_t *as) {
return as->code_base;
}
STATIC void asm_x86_write_byte_1(asm_x86_t *as, byte b1) {
byte* c = asm_x86_get_cur_to_write_bytes(as, 1);
c[0] = b1;
}
STATIC void asm_x86_write_byte_2(asm_x86_t *as, byte b1, byte b2) {
byte* c = asm_x86_get_cur_to_write_bytes(as, 2);
c[0] = b1;
c[1] = b2;
}
STATIC void asm_x86_write_byte_3(asm_x86_t *as, byte b1, byte b2, byte b3) {
byte* c = asm_x86_get_cur_to_write_bytes(as, 3);
c[0] = b1;
c[1] = b2;
c[2] = b3;
}
STATIC void asm_x86_write_word32(asm_x86_t *as, int w32) {
byte* c = asm_x86_get_cur_to_write_bytes(as, 4);
c[0] = IMM32_L0(w32);
c[1] = IMM32_L1(w32);
c[2] = IMM32_L2(w32);
c[3] = IMM32_L3(w32);
}
STATIC void asm_x86_write_r32_disp(asm_x86_t *as, int r32, int disp_r32, int disp_offset) {
assert(disp_r32 != REG_ESP);
if (disp_offset == 0 && disp_r32 != REG_EBP) {
asm_x86_write_byte_1(as, MODRM_R32(r32) | MODRM_RM_DISP0 | MODRM_RM_R32(disp_r32));
} else if (SIGNED_FIT8(disp_offset)) {
asm_x86_write_byte_2(as, MODRM_R32(r32) | MODRM_RM_DISP8 | MODRM_RM_R32(disp_r32), IMM32_L0(disp_offset));
} else {
asm_x86_write_byte_1(as, MODRM_R32(r32) | MODRM_RM_DISP32 | MODRM_RM_R32(disp_r32));
asm_x86_write_word32(as, disp_offset);
}
}
STATIC void asm_x86_nop(asm_x86_t *as) {
asm_x86_write_byte_1(as, OPCODE_NOP);
}
STATIC void asm_x86_push_r32(asm_x86_t *as, int src_r32) {
asm_x86_write_byte_1(as, OPCODE_PUSH_R32 | src_r32);
}
#if 0
void asm_x86_push_i32(asm_x86_t *as, int src_i32) {
asm_x86_write_byte_1(as, OPCODE_PUSH_I32);
asm_x86_write_word32(as, src_i32);
}
void asm_x86_push_disp(asm_x86_t *as, int src_r32, int src_offset) {
asm_x86_write_byte_1(as, OPCODE_PUSH_M32);
asm_x86_write_r32_disp(as, 6, src_r32, src_offset);
}
#endif
STATIC void asm_x86_pop_r32(asm_x86_t *as, int dest_r32) {
asm_x86_write_byte_1(as, OPCODE_POP_R32 | dest_r32);
}
STATIC void asm_x86_ret(asm_x86_t *as) {
asm_x86_write_byte_1(as, OPCODE_RET);
}
void asm_x86_mov_r32_to_r32(asm_x86_t *as, int src_r32, int dest_r32) {
asm_x86_write_byte_2(as, OPCODE_MOV_R32_TO_RM32, MODRM_R32(src_r32) | MODRM_RM_REG | MODRM_RM_R32(dest_r32));
}
STATIC void asm_x86_mov_r32_to_disp(asm_x86_t *as, int src_r32, int dest_r32, int dest_disp) {
asm_x86_write_byte_1(as, OPCODE_MOV_R32_TO_RM32);
asm_x86_write_r32_disp(as, src_r32, dest_r32, dest_disp);
}
STATIC void asm_x86_mov_disp_to_r32(asm_x86_t *as, int src_r32, int src_disp, int dest_r32) {
asm_x86_write_byte_1(as, OPCODE_MOV_RM32_TO_R32);
asm_x86_write_r32_disp(as, dest_r32, src_r32, src_disp);
}
STATIC void asm_x86_lea_disp_to_r32(asm_x86_t *as, int src_r32, int src_disp, int dest_r32) {
asm_x86_write_byte_1(as, OPCODE_LEA_MEM_TO_R32);
asm_x86_write_r32_disp(as, dest_r32, src_r32, src_disp);
}
#if 0
void asm_x86_mov_i8_to_r8(asm_x86_t *as, int src_i8, int dest_r32) {
asm_x86_write_byte_2(as, OPCODE_MOV_I8_TO_R8 | dest_r32, src_i8);
}
#endif
void asm_x86_mov_i32_to_r32(asm_x86_t *as, int src_i32, int dest_r32) {
asm_x86_write_byte_1(as, OPCODE_MOV_I32_TO_R32 | dest_r32);
asm_x86_write_word32(as, src_i32);
}
// src_i32 is stored as a full word in the code, and aligned to machine-word boundary
void asm_x86_mov_i32_to_r32_aligned(asm_x86_t *as, int32_t src_i32, int dest_r32) {
// mov instruction uses 1 byte for the instruction, before the i32
while (((as->code_offset + 1) & (WORD_SIZE - 1)) != 0) {
asm_x86_nop(as);
}
asm_x86_mov_i32_to_r32(as, src_i32, dest_r32);
}
void asm_x86_xor_r32_to_r32(asm_x86_t *as, int src_r32, int dest_r32) {
asm_x86_write_byte_2(as, OPCODE_XOR_R32_TO_RM32, MODRM_R32(src_r32) | MODRM_RM_REG | MODRM_RM_R32(dest_r32));
}
void asm_x86_add_r32_to_r32(asm_x86_t *as, int src_r32, int dest_r32) {
asm_x86_write_byte_2(as, OPCODE_ADD_R32_TO_RM32, MODRM_R32(src_r32) | MODRM_RM_REG | MODRM_RM_R32(dest_r32));
}
#if 0
void asm_x86_add_i32_to_r32(asm_x86_t *as, int src_i32, int dest_r32)
{
if (SIGNED_FIT8(src_i32))
{
asm_x86_write_byte_2(as, OPCODE_ADD_I8_TO_RM32, MODRM_R32(0) | MODRM_RM_REG | MODRM_RM_R32(dest_r32));
asm_x86_write_byte_1(as, src_i32 & 0xff);
}
else
{
asm_x86_write_byte_2(as, OPCODE_ADD_I32_TO_RM32, MODRM_R32(0) | MODRM_RM_REG | MODRM_RM_R32(dest_r32));
asm_x86_write_word32(as, src_i32);
}
}
void asm_x86_sub_r32_from_r32(asm_x86_t *as, int src_r32, int dest_r32) {
asm_x86_write_byte_2(as, OPCODE_SUB_R32_FROM_RM32, MODRM_R32(src_r32) | MODRM_RM_REG | MODRM_RM_R32(dest_r32));
}
#endif
void asm_x86_sub_i32_from_r32(asm_x86_t *as, int src_i32, int dest_r32) {
if (SIGNED_FIT8(src_i32)) {
// defaults to 32 bit operation
asm_x86_write_byte_2(as, OPCODE_SUB_I8_FROM_RM32, MODRM_R32(5) | MODRM_RM_REG | MODRM_RM_R32(dest_r32));
asm_x86_write_byte_1(as, src_i32 & 0xff);
} else {
// defaults to 32 bit operation
asm_x86_write_byte_2(as, OPCODE_SUB_I32_FROM_RM32, MODRM_R32(5) | MODRM_RM_REG | MODRM_RM_R32(dest_r32));
asm_x86_write_word32(as, src_i32);
}
}
#if 0
/* shifts not tested */
void asm_x86_shl_r32_by_imm(asm_x86_t *as, int r32, int imm) {
asm_x86_write_byte_2(as, OPCODE_SHL_RM32_BY_I8, MODRM_R32(4) | MODRM_RM_REG | MODRM_RM_R32(r32));
asm_x86_write_byte_1(as, imm);
}
void asm_x86_shr_r32_by_imm(asm_x86_t *as, int r32, int imm) {
asm_x86_write_byte_2(as, OPCODE_SHR_RM32_BY_I8, MODRM_R32(5) | MODRM_RM_REG | MODRM_RM_R32(r32));
asm_x86_write_byte_1(as, imm);
}
void asm_x86_sar_r32_by_imm(asm_x86_t *as, int r32, int imm) {
asm_x86_write_byte_2(as, OPCODE_SAR_RM32_BY_I8, MODRM_R32(7) | MODRM_RM_REG | MODRM_RM_R32(r32));
asm_x86_write_byte_1(as, imm);
}
#endif
void asm_x86_cmp_r32_with_r32(asm_x86_t *as, int src_r32_a, int src_r32_b) {
asm_x86_write_byte_2(as, OPCODE_CMP_R32_WITH_RM32, MODRM_R32(src_r32_a) | MODRM_RM_REG | MODRM_RM_R32(src_r32_b));
}
#if 0
void asm_x86_cmp_i32_with_r32(asm_x86_t *as, int src_i32, int src_r32) {
if (SIGNED_FIT8(src_i32)) {
asm_x86_write_byte_2(as, OPCODE_CMP_I8_WITH_RM32, MODRM_R32(7) | MODRM_RM_REG | MODRM_RM_R32(src_r32));
asm_x86_write_byte_1(as, src_i32 & 0xff);
} else {
asm_x86_write_byte_2(as, OPCODE_CMP_I32_WITH_RM32, MODRM_R32(7) | MODRM_RM_REG | MODRM_RM_R32(src_r32));
asm_x86_write_word32(as, src_i32);
}
}
#endif
void asm_x86_test_r8_with_r8(asm_x86_t *as, int src_r32_a, int src_r32_b) {
// TODO implement for other registers
assert(src_r32_a == REG_EAX);
assert(src_r32_b == REG_EAX);
asm_x86_write_byte_2(as, OPCODE_TEST_R8_WITH_RM8, MODRM_R32(src_r32_a) | MODRM_RM_REG | MODRM_RM_R32(src_r32_b));
}
void asm_x86_setcc_r8(asm_x86_t *as, mp_uint_t jcc_type, int dest_r8) {
asm_x86_write_byte_3(as, OPCODE_SETCC_RM8_A, OPCODE_SETCC_RM8_B | jcc_type, MODRM_R32(0) | MODRM_RM_REG | MODRM_RM_R32(dest_r8));
}
void asm_x86_label_assign(asm_x86_t *as, mp_uint_t label) {
assert(label < as->max_num_labels);
if (as->pass < ASM_X86_PASS_EMIT) {
// assign label offset
assert(as->label_offsets[label] == -1);
as->label_offsets[label] = as->code_offset;
} else {
// ensure label offset has not changed from PASS_COMPUTE to PASS_EMIT
//printf("l%d: (at %d=%ld)\n", label, as->label_offsets[label], as->code_offset);
assert(as->label_offsets[label] == as->code_offset);
}
}
STATIC int get_label_dest(asm_x86_t *as, int label) {
assert(label < as->max_num_labels);
return as->label_offsets[label];
}
void asm_x86_jmp_label(asm_x86_t *as, mp_uint_t label) {
int dest = get_label_dest(as, label);
int rel = dest - as->code_offset;
if (dest >= 0 && rel < 0) {
// is a backwards jump, so we know the size of the jump on the first pass
// calculate rel assuming 8 bit relative jump
rel -= 2;
if (SIGNED_FIT8(rel)) {
asm_x86_write_byte_2(as, OPCODE_JMP_REL8, rel & 0xff);
} else {
rel += 2;
goto large_jump;
}
} else {
// is a forwards jump, so need to assume it's large
large_jump:
rel -= 5;
asm_x86_write_byte_1(as, OPCODE_JMP_REL32);
asm_x86_write_word32(as, rel);
}
}
void asm_x86_jcc_label(asm_x86_t *as, mp_uint_t jcc_type, mp_uint_t label) {
int dest = get_label_dest(as, label);
int rel = dest - as->code_offset;
if (dest >= 0 && rel < 0) {
// is a backwards jump, so we know the size of the jump on the first pass
// calculate rel assuming 8 bit relative jump
rel -= 2;
if (SIGNED_FIT8(rel)) {
asm_x86_write_byte_2(as, OPCODE_JCC_REL8 | jcc_type, rel & 0xff);
} else {
rel += 2;
goto large_jump;
}
} else {
// is a forwards jump, so need to assume it's large
large_jump:
rel -= 6;
asm_x86_write_byte_2(as, OPCODE_JCC_REL32_A, OPCODE_JCC_REL32_B | jcc_type);
asm_x86_write_word32(as, rel);
}
}
void asm_x86_entry(asm_x86_t *as, mp_uint_t num_locals) {
asm_x86_push_r32(as, REG_EBP);
asm_x86_mov_r32_to_r32(as, REG_ESP, REG_EBP);
asm_x86_sub_i32_from_r32(as, num_locals * WORD_SIZE, REG_ESP);
asm_x86_push_r32(as, REG_EBX);
as->num_locals = num_locals;
}
void asm_x86_exit(asm_x86_t *as) {
asm_x86_pop_r32(as, REG_EBX);
asm_x86_write_byte_1(as, OPCODE_LEAVE);
asm_x86_ret(as);
}
#if 0
void asm_x86_push_arg(asm_x86_t *as, int src_arg_num) {
assert(0);
asm_x86_push_disp(as, REG_EBP, 8 + src_arg_num * WORD_SIZE);
}
void asm_x86_mov_arg_to_r32(asm_x86_t *as, int src_arg_num, int dest_r32) {
assert(0);
//asm_x86_mov_disp_to_r32(as, REG_EBP, 8 + src_arg_num * WORD_SIZE, dest_r32);
}
void asm_x86_mov_r32_to_arg(asm_x86_t *as, int src_r32, int dest_arg_num) {
assert(0);
//asm_x86_mov_r32_to_disp(as, src_r32, REG_EBP, 8 + dest_arg_num * WORD_SIZE);
}
#endif
// locals:
// - stored on the stack in ascending order
// - numbered 0 through as->num_locals-1
// - EBP points above the last local
//
// | EPB
// v
// l0 l1 l2 ... l(n-1)
// ^ ^
// | low address | high address in RAM
//
STATIC int asm_x86_local_offset_from_ebp(asm_x86_t *as, int local_num) {
return (-as->num_locals + local_num) * WORD_SIZE;
}
void asm_x86_mov_local_to_r32(asm_x86_t *as, int src_local_num, int dest_r32) {
asm_x86_mov_disp_to_r32(as, REG_EBP, asm_x86_local_offset_from_ebp(as, src_local_num), dest_r32);
}
void asm_x86_mov_r32_to_local(asm_x86_t *as, int src_r32, int dest_local_num) {
asm_x86_mov_r32_to_disp(as, src_r32, REG_EBP, asm_x86_local_offset_from_ebp(as, dest_local_num));
}
void asm_x86_mov_local_addr_to_r32(asm_x86_t *as, int local_num, int dest_r32) {
int offset = asm_x86_local_offset_from_ebp(as, local_num);
if (offset == 0) {
asm_x86_mov_r32_to_r32(as, REG_EBP, dest_r32);
} else {
asm_x86_lea_disp_to_r32(as, REG_EBP, offset, dest_r32);
}
}
#if 0
void asm_x86_push_local(asm_x86_t *as, int local_num) {
asm_x86_push_disp(as, REG_EBP, asm_x86_local_offset_from_ebp(as, local_num));
}
void asm_x86_push_local_addr(asm_x86_t *as, int local_num, int temp_r32)
{
asm_x86_mov_r32_to_r32(as, REG_EBP, temp_r32);
asm_x86_add_i32_to_r32(as, asm_x86_local_offset_from_ebp(as, local_num), temp_r32);
asm_x86_push_r32(as, temp_r32);
}
#endif
void asm_x86_call_ind(asm_x86_t *as, void *ptr, mp_uint_t n_args, int temp_r32) {
assert(n_args <= 3);
if (n_args > 2) {
asm_x86_push_r32(as, REG_ARG_3);
}
if (n_args > 1) {
asm_x86_push_r32(as, REG_ARG_2);
}
if (n_args > 0) {
asm_x86_push_r32(as, REG_ARG_1);
}
#ifdef __LP64__
// We wouldn't run x86 code on an x64 machine. This is here to enable
// testing of the x86 emitter only.
asm_x86_mov_i32_to_r32(as, (int32_t)(int64_t)ptr, temp_r32);
#else
// If we get here, sizeof(int) == sizeof(void*).
asm_x86_mov_i32_to_r32(as, (int32_t)ptr, temp_r32);
#endif
asm_x86_write_byte_2(as, OPCODE_CALL_RM32, MODRM_R32(2) | MODRM_RM_REG | MODRM_RM_R32(temp_r32));
// this reduces code size by 2 bytes per call, but doesn't seem to speed it up at all
/*
asm_x86_write_byte_1(as, OPCODE_CALL_REL32);
asm_x86_write_word32(as, ptr - (void*)(as->code_base + as->code_offset + 4));
*/
}
#endif // MICROPY_EMIT_X86

77
py/asmx86.h Normal file
View File

@ -0,0 +1,77 @@
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#define ASM_X86_PASS_COMPUTE (1)
#define ASM_X86_PASS_EMIT (2)
#define REG_EAX (0)
#define REG_ECX (1)
#define REG_EDX (2)
#define REG_EBX (3)
#define REG_ESP (4)
#define REG_EBP (5)
#define REG_ESI (6)
#define REG_EDI (7)
// condition codes, used for jcc and setcc (despite their j-name!)
#define ASM_X86_CC_JB (0x2) // below, unsigned
#define ASM_X86_CC_JZ (0x4)
#define ASM_X86_CC_JE (0x4)
#define ASM_X86_CC_JNZ (0x5)
#define ASM_X86_CC_JNE (0x5)
#define ASM_X86_CC_JL (0xc) // less, signed
#define REG_RET REG_EAX
#define REG_ARG_1 REG_EDI
#define REG_ARG_2 REG_ESI
#define REG_ARG_3 REG_EDX
typedef struct _asm_x86_t asm_x86_t;
asm_x86_t* asm_x86_new(mp_uint_t max_num_labels);
void asm_x86_free(asm_x86_t* as, bool free_code);
void asm_x86_start_pass(asm_x86_t *as, mp_uint_t pass);
void asm_x86_end_pass(asm_x86_t *as);
mp_uint_t asm_x86_get_code_size(asm_x86_t* as);
void* asm_x86_get_code(asm_x86_t* as);
void asm_x86_mov_r32_to_r32(asm_x86_t* as, int src_r32, int dest_r32);
void asm_x86_mov_i32_to_r32(asm_x86_t *as, int32_t src_i32, int dest_r32);
void asm_x86_mov_i32_to_r32_aligned(asm_x86_t *as, int32_t src_i32, int dest_r32);
void asm_x86_xor_r32_to_r32(asm_x86_t *as, int src_r32, int dest_r32);
void asm_x86_add_r32_to_r32(asm_x86_t* as, int src_r32, int dest_r32);
void asm_x86_cmp_r32_with_r32(asm_x86_t* as, int src_r32_a, int src_r32_b);
void asm_x86_test_r8_with_r8(asm_x86_t* as, int src_r32_a, int src_r32_b);
void asm_x86_setcc_r8(asm_x86_t* as, mp_uint_t jcc_type, int dest_r8);
void asm_x86_label_assign(asm_x86_t* as, mp_uint_t label);
void asm_x86_jmp_label(asm_x86_t* as, mp_uint_t label);
void asm_x86_jcc_label(asm_x86_t* as, mp_uint_t jcc_type, mp_uint_t label);
void asm_x86_entry(asm_x86_t* as, mp_uint_t num_locals);
void asm_x86_exit(asm_x86_t* as);
void asm_x86_mov_local_to_r32(asm_x86_t* as, int src_local_num, int dest_r32);
void asm_x86_mov_r32_to_local(asm_x86_t* as, int src_r32, int dest_local_num);
void asm_x86_mov_local_addr_to_r32(asm_x86_t* as, int local_num, int dest_r32);
void asm_x86_call_ind(asm_x86_t* as, void* ptr, mp_uint_t n_args, int temp_r32);

7
py/compile.c
View File

@ -3638,6 +3638,11 @@ mp_obj_t mp_compile(mp_parse_node_t pn, qstr source_file, uint emit_opt, bool is
emit_native = emit_native_x64_new(max_num_labels);
}
comp->emit_method_table = &emit_native_x64_method_table;
#elif MICROPY_EMIT_X86
if (emit_native == NULL) {
emit_native = emit_native_x86_new(max_num_labels);
}
comp->emit_method_table = &emit_native_x86_method_table;
#elif MICROPY_EMIT_THUMB
if (emit_native == NULL) {
emit_native = emit_native_thumb_new(max_num_labels);
@ -3689,6 +3694,8 @@ mp_obj_t mp_compile(mp_parse_node_t pn, qstr source_file, uint emit_opt, bool is
if (emit_native != NULL) {
#if MICROPY_EMIT_X64
emit_native_x64_free(emit_native);
#elif MICROPY_EMIT_X86
emit_native_x86_free(emit_native);
#elif MICROPY_EMIT_THUMB
emit_native_thumb_free(emit_native);
#elif MICROPY_EMIT_ARM

3
py/emit.h
View File

@ -160,6 +160,7 @@ extern const emit_method_table_t emit_pass1_method_table;
extern const emit_method_table_t emit_cpython_method_table;
extern const emit_method_table_t emit_bc_method_table;
extern const emit_method_table_t emit_native_x64_method_table;
extern const emit_method_table_t emit_native_x86_method_table;
extern const emit_method_table_t emit_native_thumb_method_table;
extern const emit_method_table_t emit_native_arm_method_table;
@ -167,12 +168,14 @@ emit_t *emit_pass1_new(void);
emit_t *emit_cpython_new(uint max_num_labels);
emit_t *emit_bc_new(uint max_num_labels);
emit_t *emit_native_x64_new(uint max_num_labels);
emit_t *emit_native_x86_new(uint max_num_labels);
emit_t *emit_native_thumb_new(uint max_num_labels);
emit_t *emit_native_arm_new(uint max_num_labels);
void emit_pass1_free(emit_t *emit);
void emit_bc_free(emit_t *emit);
void emit_native_x64_free(emit_t *emit);
void emit_native_x86_free(emit_t *emit);
void emit_native_thumb_free(emit_t *emit);
void emit_native_arm_free(emit_t *emit);

599
py/emitnative.c
View File

@ -69,7 +69,10 @@
#endif
// wrapper around everything in this file
#if (MICROPY_EMIT_X64 && N_X64) || (MICROPY_EMIT_THUMB && N_THUMB) || (MICROPY_EMIT_ARM && N_ARM)
#if (MICROPY_EMIT_X64 && N_X64) \
|| (MICROPY_EMIT_X86 && N_X86) \
|| (MICROPY_EMIT_THUMB && N_THUMB) \
|| (MICROPY_EMIT_ARM && N_ARM)
#if N_X64
@ -77,21 +80,165 @@
#include "asmx64.h"
#define REG_LOCAL_1 (REG_RBX)
#define REG_LOCAL_NUM (1)
#define EXPORT_FUN(name) emit_native_x64_##name
#define REG_TEMP0 (REG_RAX)
#define REG_TEMP1 (REG_RDI)
#define REG_TEMP2 (REG_RSI)
#define ASM_MOV_REG_TO_LOCAL(reg, local_num) asm_x64_mov_r64_to_local(emit->as, (reg), (local_num))
#define ASM_MOV_IMM_TO_REG(imm, reg) asm_x64_mov_i64_to_r64_optimised(emit->as, (imm), (reg))
#define ASM_MOV_ALIGNED_IMM_TO_REG(imm, reg) asm_x64_mov_i64_to_r64_aligned(emit->as, (imm), (reg))
#define ASM_MOV_IMM_TO_LOCAL_USING(imm, local_num, reg_temp) do { asm_x64_mov_i64_to_r64_optimised(emit->as, (imm), (reg_temp)); asm_x64_mov_r64_to_local(emit->as, (reg_temp), (local_num)); } while (false)
#define ASM_MOV_LOCAL_TO_REG(local_num, reg) asm_x64_mov_local_to_r64(emit->as, (local_num), (reg))
#define ASM_MOV_REG_TO_REG(reg_src, reg_dest) asm_x64_mov_r64_to_r64(emit->as, (reg_src), (reg_dest))
#define ASM_MOV_LOCAL_ADDR_TO_REG(local_num, reg) asm_x64_mov_local_addr_to_r64(emit->as, (local_num), (reg))
#define REG_LOCAL_1 (REG_RBX)
#define REG_LOCAL_NUM (1)
#define ASM_PASS_COMPUTE ASM_X64_PASS_COMPUTE
#define ASM_PASS_EMIT ASM_X64_PASS_EMIT
#define ASM_T asm_x64_t
#define ASM_NEW asm_x64_new
#define ASM_FREE asm_x64_free
#define ASM_GET_CODE asm_x64_get_code
#define ASM_GET_CODE_SIZE asm_x64_get_code_size
#define ASM_START_PASS asm_x64_start_pass
#define ASM_END_PASS asm_x64_end_pass
#define ASM_ENTRY asm_x64_entry
#define ASM_EXIT asm_x64_exit
#define ASM_LABEL_ASSIGN asm_x64_label_assign
#define ASM_JUMP asm_x64_jmp_label
#define ASM_JUMP_IF_REG_ZERO(as, reg, label) \
do { \
asm_x64_test_r8_with_r8(as, reg, reg); \
asm_x64_jcc_label(as, ASM_X64_CC_JZ, label); \
} while (0)
#define ASM_JUMP_IF_REG_NONZERO(as, reg, label) \
do { \
asm_x64_test_r8_with_r8(as, reg, reg); \
asm_x64_jcc_label(as, ASM_X64_CC_JNZ, label); \
} while (0)
#define ASM_JUMP_IF_REG_EQ(as, reg1, reg2, label) \
do { \
asm_x64_cmp_r64_with_r64(as, reg1, reg2); \
asm_x64_jcc_label(as, ASM_X64_CC_JE, label); \
} while (0)
#define ASM_CALL_IND(as, ptr, idx) asm_x64_call_ind(as, ptr, REG_RAX)
#define ASM_MOV_REG_TO_LOCAL asm_x64_mov_r64_to_local
#define ASM_MOV_IMM_TO_REG asm_x64_mov_i64_to_r64_optimised
#define ASM_MOV_ALIGNED_IMM_TO_REG asm_x64_mov_i64_to_r64_aligned
#define ASM_MOV_IMM_TO_LOCAL_USING(as, imm, local_num, reg_temp) \
do { \
asm_x64_mov_i64_to_r64_optimised(as, (imm), (reg_temp)); \
asm_x64_mov_r64_to_local(as, (reg_temp), (local_num)); \
} while (false)
#define ASM_MOV_LOCAL_TO_REG asm_x64_mov_local_to_r64
#define ASM_MOV_REG_TO_REG asm_x64_mov_r64_to_r64
#define ASM_MOV_LOCAL_ADDR_TO_REG asm_x64_mov_local_addr_to_r64
#elif N_X86
// x86 specific stuff
#include "asmx86.h"
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_CONST_INT] = 1,
[MP_F_LOAD_CONST_DEC] = 1,
[MP_F_LOAD_CONST_STR] = 1,
[MP_F_LOAD_CONST_BYTES] = 1,
[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_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_GETITER] = 1,
[MP_F_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,
};
#define EXPORT_FUN(name) emit_native_x86_##name
#define REG_TEMP0 (REG_EAX)
#define REG_TEMP1 (REG_EDI)
#define REG_TEMP2 (REG_ESI)
#define REG_LOCAL_1 (REG_EBX)
#define REG_LOCAL_NUM (1)
#define ASM_PASS_COMPUTE ASM_X86_PASS_COMPUTE
#define ASM_PASS_EMIT ASM_X86_PASS_EMIT
#define ASM_T asm_x86_t
#define ASM_NEW asm_x86_new
#define ASM_FREE asm_x86_free
#define ASM_GET_CODE asm_x86_get_code
#define ASM_GET_CODE_SIZE asm_x86_get_code_size
#define ASM_START_PASS asm_x86_start_pass
#define ASM_END_PASS asm_x86_end_pass
#define ASM_ENTRY asm_x86_entry
#define ASM_EXIT asm_x86_exit
#define ASM_LABEL_ASSIGN asm_x86_label_assign
#define ASM_JUMP asm_x86_jmp_label
#define ASM_JUMP_IF_REG_ZERO(as, reg, label) \
do { \
asm_x86_test_r8_with_r8(as, reg, reg); \
asm_x86_jcc_label(as, ASM_X86_CC_JZ, label); \
} while (0)
#define ASM_JUMP_IF_REG_NONZERO(as, reg, label) \
do { \
asm_x86_test_r8_with_r8(as, reg, reg); \
asm_x86_jcc_label(as, ASM_X86_CC_JNZ, label); \
} while (0)
#define ASM_JUMP_IF_REG_EQ(as, reg1, reg2, label) \
do { \
asm_x86_cmp_r32_with_r32(as, reg1, reg2); \
asm_x86_jcc_label(as, ASM_X86_CC_JE, label); \
} while (0)
#define ASM_CALL_IND(as, ptr, idx) asm_x86_call_ind(as, ptr, mp_f_n_args[idx], REG_EAX)
#define ASM_MOV_REG_TO_LOCAL asm_x86_mov_r32_to_local
#define ASM_MOV_IMM_TO_REG asm_x86_mov_i32_to_r32
#define ASM_MOV_ALIGNED_IMM_TO_REG asm_x86_mov_i32_to_r32_aligned
#define ASM_MOV_IMM_TO_LOCAL_USING(as, imm, local_num, reg_temp) \
do { \
asm_x86_mov_i32_to_r32(as, (imm), (reg_temp)); \
asm_x86_mov_r32_to_local(as, (reg_temp), (local_num)); \
} while (false)
#define ASM_MOV_LOCAL_TO_REG asm_x86_mov_local_to_r32
#define ASM_MOV_REG_TO_REG asm_x86_mov_r32_to_r32
#define ASM_MOV_LOCAL_ADDR_TO_REG asm_x86_mov_local_addr_to_r32
#elif N_THUMB
@ -99,23 +246,60 @@
#include "asmthumb.h"
#define REG_LOCAL_1 (REG_R4)
#define REG_LOCAL_2 (REG_R5)
#define REG_LOCAL_3 (REG_R6)
#define REG_LOCAL_NUM (3)
#define EXPORT_FUN(name) emit_native_thumb_##name
#define REG_TEMP0 (REG_R0)
#define REG_TEMP1 (REG_R1)
#define REG_TEMP2 (REG_R2)
#define ASM_MOV_REG_TO_LOCAL(reg, local_num) asm_thumb_mov_local_reg(emit->as, (local_num), (reg))
#define ASM_MOV_IMM_TO_REG(imm, reg) asm_thumb_mov_reg_i32_optimised(emit->as, (reg), (imm))
#define ASM_MOV_ALIGNED_IMM_TO_REG(imm, reg) asm_thumb_mov_reg_i32_aligned(emit->as, (reg), (imm))
#define ASM_MOV_IMM_TO_LOCAL_USING(imm, local_num, reg_temp) do { asm_thumb_mov_reg_i32_optimised(emit->as, (reg_temp), (imm)); asm_thumb_mov_local_reg(emit->as, (local_num), (reg_temp)); } while (false)
#define ASM_MOV_LOCAL_TO_REG(local_num, reg) asm_thumb_mov_reg_local(emit->as, (reg), (local_num))
#define ASM_MOV_REG_TO_REG(reg_src, reg_dest) asm_thumb_mov_reg_reg(emit->as, (reg_dest), (reg_src))
#define ASM_MOV_LOCAL_ADDR_TO_REG(local_num, reg) asm_thumb_mov_reg_local_addr(emit->as, (reg), (local_num))
#define REG_LOCAL_1 (REG_R4)
#define REG_LOCAL_2 (REG_R5)
#define REG_LOCAL_3 (REG_R6)
#define REG_LOCAL_NUM (3)
#define ASM_PASS_COMPUTE ASM_THUMB_PASS_COMPUTE
#define ASM_PASS_EMIT ASM_THUMB_PASS_EMIT
#define ASM_T asm_thumb_t
#define ASM_NEW asm_thumb_new
#define ASM_FREE asm_thumb_free
#define ASM_GET_CODE asm_thumb_get_code
#define ASM_GET_CODE_SIZE asm_thumb_get_code_size
#define ASM_START_PASS asm_thumb_start_pass
#define ASM_END_PASS asm_thumb_end_pass
#define ASM_ENTRY asm_thumb_entry
#define ASM_EXIT asm_thumb_exit
#define ASM_LABEL_ASSIGN asm_thumb_label_assign
#define ASM_JUMP asm_thumb_b_label
#define ASM_JUMP_IF_REG_ZERO(as, reg, label) \
do { \
asm_thumb_cmp_rlo_i8(as, reg, 0); \
asm_thumb_bcc_label(as, THUMB_CC_EQ, label); \
} while (0)
#define ASM_JUMP_IF_REG_NONZERO(as, reg, label) \
do { \
asm_thumb_cmp_rlo_i8(as, reg, 0); \
asm_thumb_bcc_label(as, THUMB_CC_NE, label); \
} while (0)
#define ASM_JUMP_IF_REG_EQ(as, reg1, reg2, label) \
do { \
asm_thumb_cmp_rlo_rlo(as, reg1, reg2); \
asm_thumb_bcc_label(as, THUMB_CC_EQ, label); \
} while (0)
#define ASM_CALL_IND(as, ptr, idx) asm_thumb_bl_ind(as, ptr, idx, REG_R3)
#define ASM_MOV_REG_TO_LOCAL(as, reg, local_num) asm_thumb_mov_local_reg(as, (local_num), (reg))
#define ASM_MOV_IMM_TO_REG(as, imm, reg) asm_thumb_mov_reg_i32_optimised(as, (reg), (imm))
#define ASM_MOV_ALIGNED_IMM_TO_REG(as, imm, reg) asm_thumb_mov_reg_i32_aligned(as, (reg), (imm))
#define ASM_MOV_IMM_TO_LOCAL_USING(as, imm, local_num, reg_temp) \
do { \
asm_thumb_mov_reg_i32_optimised(as, (reg_temp), (imm)); \
asm_thumb_mov_local_reg(as, (local_num), (reg_temp)); \
} while (false)
#define ASM_MOV_LOCAL_TO_REG(as, local_num, reg) asm_thumb_mov_reg_local(as, (reg), (local_num))
#define ASM_MOV_REG_TO_REG(as, reg_src, reg_dest) asm_thumb_mov_reg_reg(as, (reg_dest), (reg_src))
#define ASM_MOV_LOCAL_ADDR_TO_REG(as, local_num, reg) asm_thumb_mov_reg_local_addr(as, (reg), (local_num))
#elif N_ARM
@ -123,23 +307,64 @@
#include "asmarm.h"
#define REG_LOCAL_1 (REG_R4)
#define REG_LOCAL_2 (REG_R5)
#define REG_LOCAL_3 (REG_R6)
#define REG_LOCAL_NUM (3)
#define EXPORT_FUN(name) emit_native_arm_##name
#define REG_TEMP0 (REG_R0)
#define REG_TEMP1 (REG_R1)
#define REG_TEMP2 (REG_R2)
#define ASM_MOV_REG_TO_LOCAL(reg, local_num) asm_arm_mov_local_reg(emit->as, (local_num), (reg))
#define ASM_MOV_IMM_TO_REG(imm, reg) asm_arm_mov_reg_i32(emit->as, (reg), (imm))
#define ASM_MOV_ALIGNED_IMM_TO_REG(imm, reg) asm_arm_mov_reg_i32(emit->as, (reg), (imm))
#define ASM_MOV_IMM_TO_LOCAL_USING(imm, local_num, reg_temp) do { asm_arm_mov_reg_i32(emit->as, (reg_temp), (imm)); asm_arm_mov_local_reg(emit->as, (local_num), (reg_temp)); } while (false)
#define ASM_MOV_LOCAL_TO_REG(local_num, reg) asm_arm_mov_reg_local(emit->as, (reg), (local_num))
#define ASM_MOV_REG_TO_REG(reg_src, reg_dest) asm_arm_mov_reg_reg(emit->as, (reg_dest), (reg_src))
#define ASM_MOV_LOCAL_ADDR_TO_REG(local_num, reg) asm_arm_mov_reg_local_addr(emit->as, (reg), (local_num))
#define REG_LOCAL_1 (REG_R4)
#define REG_LOCAL_2 (REG_R5)
#define REG_LOCAL_3 (REG_R6)
#define REG_LOCAL_NUM (3)
#define ASM_PASS_COMPUTE ASM_ARM_PASS_COMPUTE
#define ASM_PASS_EMIT ASM_ARM_PASS_EMIT
#define ASM_T asm_arm_t
#define ASM_NEW asm_arm_new
#define ASM_FREE asm_arm_free
#define ASM_GET_CODE asm_arm_get_code
#define ASM_GET_CODE_SIZE asm_arm_get_code_size
#define ASM_START_PASS asm_arm_start_pass
#define ASM_END_PASS asm_arm_end_pass
#define ASM_ENTRY asm_arm_entry
#define ASM_EXIT asm_arm_exit
#define ASM_LABEL_ASSIGN asm_arm_label_assign
#define ASM_JUMP asm_arm_b_label
#define ASM_JUMP_IF_REG_ZERO(as, reg, label) \
do { \
asm_arm_cmp_reg_i8(as, reg, 0); \
asm_arm_bcc_label(as, ARM_CC_EQ, label); \
} while (0)
#define ASM_JUMP_IF_REG_NONZERO(as, reg, label) \
do { \
asm_arm_cmp_reg_i8(as, reg, 0); \
asm_arm_bcc_label(as, ARM_CC_NE, label); \
} while (0)
#define ASM_JUMP_IF_REG_EQ(as, reg1, reg2, label) \
do { \
asm_arm_cmp_reg_reg(as, reg1, reg2); \
asm_arm_bcc_label(as, ARM_CC_EQ, label); \
} while (0)
#define ASM_CALL_IND(as, ptr, idx) asm_arm_bl_ind(as, ptr, idx, REG_R3)
#define ASM_MOV_REG_TO_LOCAL(as, reg, local_num) asm_arm_mov_local_reg(as, (local_num), (reg))
#define ASM_MOV_IMM_TO_REG(as, imm, reg) asm_arm_mov_reg_i32(as, (reg), (imm))
#define ASM_MOV_ALIGNED_IMM_TO_REG(as, imm, reg) asm_arm_mov_reg_i32(as, (reg), (imm))
#define ASM_MOV_IMM_TO_LOCAL_USING(as, imm, local_num, reg_temp) \
do { \
asm_arm_mov_reg_i32(as, (reg_temp), (imm)); \
asm_arm_mov_local_reg(as, (local_num), (reg_temp)); \
} while (false)
#define ASM_MOV_LOCAL_TO_REG(as, local_num, reg) asm_arm_mov_reg_local(as, (reg), (local_num))
#define ASM_MOV_REG_TO_REG(as, reg_src, reg_dest) asm_arm_mov_reg_reg(as, (reg_dest), (reg_src))
#define ASM_MOV_LOCAL_ADDR_TO_REG(as, local_num, reg) asm_arm_mov_reg_local_addr(as, (reg), (local_num))
#else
#error unknown native emitter
#endif
@ -189,35 +414,17 @@ struct _emit_t {
scope_t *scope;
#if N_X64
asm_x64_t *as;
#elif N_THUMB
asm_thumb_t *as;
#elif N_ARM
asm_arm_t *as;
#endif
ASM_T *as;
};
emit_t *EXPORT_FUN(new)(uint max_num_labels) {
emit_t *emit = m_new0(emit_t, 1);
#if N_X64
emit->as = asm_x64_new(max_num_labels);
#elif N_THUMB
emit->as = asm_thumb_new(max_num_labels);
#elif N_ARM
emit->as = asm_arm_new(max_num_labels);
#endif
emit->as = ASM_NEW(max_num_labels);
return emit;
}
void EXPORT_FUN(free)(emit_t *emit) {
#if N_X64
asm_x64_free(emit->as, false);
#elif N_THUMB
asm_thumb_free(emit->as, false);
#elif N_ARM
asm_arm_free(emit->as, false);
#endif
ASM_FREE(emit->as, false);
m_del(vtype_kind_t, emit->local_vtype, emit->local_vtype_alloc);
m_del(stack_info_t, emit->stack_info, emit->stack_info_alloc);
m_del_obj(emit_t, emit);
@ -286,13 +493,7 @@ STATIC void emit_native_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scop
emit->stack_info[i].vtype = VTYPE_UNBOUND;
}
#if N_X64
asm_x64_start_pass(emit->as, pass == MP_PASS_EMIT ? ASM_X64_PASS_EMIT : ASM_X64_PASS_COMPUTE);
#elif N_THUMB
asm_thumb_start_pass(emit->as, pass == MP_PASS_EMIT ? ASM_THUMB_PASS_EMIT : ASM_THUMB_PASS_COMPUTE);
#elif N_ARM
asm_arm_start_pass(emit->as, pass == MP_PASS_EMIT ? ASM_ARM_PASS_EMIT : ASM_ARM_PASS_COMPUTE);
#endif
ASM_START_PASS(emit->as, pass == MP_PASS_EMIT ? ASM_PASS_EMIT : ASM_PASS_COMPUTE);
// entry to function
int num_locals = 0;
@ -304,13 +505,7 @@ STATIC void emit_native_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scop
emit->stack_start = num_locals;
num_locals += scope->stack_size;
}
#if N_X64
asm_x64_entry(emit->as, num_locals);
#elif N_THUMB
asm_thumb_entry(emit->as, num_locals);
#elif N_ARM
asm_arm_entry(emit->as, num_locals);
#endif
ASM_ENTRY(emit->as, num_locals);
// initialise locals from parameters
#if N_X64
@ -326,6 +521,21 @@ STATIC void emit_native_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scop
assert(0);
}
}
#elif N_X86
for (int i = 0; i < scope->num_pos_args; i++) {
// TODO
assert(0);
if (i == 0) {
asm_x86_mov_r32_to_r32(emit->as, REG_ARG_1, REG_LOCAL_1);
} else if (i == 1) {
asm_x86_mov_r32_to_local(emit->as, REG_ARG_2, i - REG_LOCAL_NUM);
} else if (i == 2) {
asm_x86_mov_r32_to_local(emit->as, REG_ARG_3, i - REG_LOCAL_NUM);
} else {
// TODO not implemented
assert(0);
}
}
#elif N_THUMB
for (int i = 0; i < scope->num_pos_args; i++) {
if (i == 0) {
@ -360,26 +570,16 @@ STATIC void emit_native_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scop
}
asm_arm_mov_reg_i32(emit->as, REG_R7, (mp_uint_t)mp_fun_table);
#else
#error not implemented
#endif
}
STATIC void emit_native_end_pass(emit_t *emit) {
#if N_X64
if (!emit->last_emit_was_return_value) {
asm_x64_exit(emit->as);
ASM_EXIT(emit->as);
}
asm_x64_end_pass(emit->as);
#elif N_THUMB
if (!emit->last_emit_was_return_value) {
asm_thumb_exit(emit->as);
}
asm_thumb_end_pass(emit->as);
#elif N_ARM
if (!emit->last_emit_was_return_value) {
asm_arm_exit(emit->as);
}
asm_arm_end_pass(emit->as);
#endif
ASM_END_PASS(emit->as);
// check stack is back to zero size
if (emit->stack_size != 0) {
@ -387,16 +587,8 @@ STATIC void emit_native_end_pass(emit_t *emit) {
}
if (emit->pass == MP_PASS_EMIT) {
#if N_X64
void *f = asm_x64_get_code(emit->as);
mp_uint_t f_len = asm_x64_get_code_size(emit->as);
#elif N_THUMB
void *f = asm_thumb_get_code(emit->as);
mp_uint_t f_len = asm_thumb_get_code_size(emit->as);
#elif N_ARM
void *f = asm_arm_get_code(emit->as);
mp_uint_t f_len = asm_arm_get_code_size(emit->as);
#endif
void *f = ASM_GET_CODE(emit->as);
mp_uint_t f_len = ASM_GET_CODE_SIZE(emit->as);
// compute type signature
// TODO check that viper types here convert correctly to valid types for emit glue
@ -450,7 +642,7 @@ STATIC void emit_native_pre(emit_t *emit) {
case STACK_REG:
// TODO only push reg if in regs_needed
emit->stack_info[i].kind = STACK_VALUE;
ASM_MOV_REG_TO_LOCAL(emit->stack_info[i].u_reg, emit->stack_start + i);
ASM_MOV_REG_TO_LOCAL(emit->as, emit->stack_info[i].u_reg, emit->stack_start + i);
break;
case STACK_IMM:
@ -476,7 +668,7 @@ STATIC void need_reg_single(emit_t *emit, int reg_needed, int skip_stack_pos) {
stack_info_t *si = &emit->stack_info[i];
if (si->kind == STACK_REG && si->u_reg == reg_needed) {
si->kind = STACK_VALUE;
ASM_MOV_REG_TO_LOCAL(si->u_reg, emit->stack_start + i);
ASM_MOV_REG_TO_LOCAL(emit->as, si->u_reg, emit->stack_start + i);
}
}
}
@ -487,7 +679,7 @@ STATIC void need_reg_all(emit_t *emit) {
stack_info_t *si = &emit->stack_info[i];
if (si->kind == STACK_REG) {
si->kind = STACK_VALUE;
ASM_MOV_REG_TO_LOCAL(si->u_reg, emit->stack_start + i);
ASM_MOV_REG_TO_LOCAL(emit->as, si->u_reg, emit->stack_start + i);
}
}
}
@ -497,14 +689,14 @@ STATIC void need_stack_settled(emit_t *emit) {
stack_info_t *si = &emit->stack_info[i];
if (si->kind == STACK_REG) {
si->kind = STACK_VALUE;
ASM_MOV_REG_TO_LOCAL(si->u_reg, emit->stack_start + i);
ASM_MOV_REG_TO_LOCAL(emit->as, si->u_reg, emit->stack_start + i);
}
}
for (int i = 0; i < emit->stack_size; i++) {
stack_info_t *si = &emit->stack_info[i];
if (si->kind == STACK_IMM) {
si->kind = STACK_VALUE;
ASM_MOV_IMM_TO_LOCAL_USING(si->u_imm, emit->stack_start + i, REG_TEMP0);
ASM_MOV_IMM_TO_LOCAL_USING(emit->as, si->u_imm, emit->stack_start + i, REG_TEMP0);
}
}
}
@ -516,17 +708,17 @@ STATIC void emit_access_stack(emit_t *emit, int pos, vtype_kind_t *vtype, int re
*vtype = si->vtype;
switch (si->kind) {
case STACK_VALUE:
ASM_MOV_LOCAL_TO_REG(emit->stack_start + emit->stack_size - pos, reg_dest);
ASM_MOV_LOCAL_TO_REG(emit->as, emit->stack_start + emit->stack_size - pos, reg_dest);
break;
case STACK_REG:
if (si->u_reg != reg_dest) {
ASM_MOV_REG_TO_REG(si->u_reg, reg_dest);
ASM_MOV_REG_TO_REG(emit->as, si->u_reg, reg_dest);
}
break;
case STACK_IMM:
ASM_MOV_IMM_TO_REG(si->u_imm, reg_dest);
ASM_MOV_IMM_TO_REG(emit->as, si->u_imm, reg_dest);
break;
}
}
@ -592,66 +784,36 @@ STATIC void emit_post_push_reg_reg_reg_reg(emit_t *emit, vtype_kind_t vtypea, in
STATIC void emit_call(emit_t *emit, mp_fun_kind_t fun_kind) {
need_reg_all(emit);
#if N_X64
asm_x64_call_ind(emit->as, mp_fun_table[fun_kind], REG_RAX);
#elif N_THUMB
asm_thumb_bl_ind(emit->as, mp_fun_table[fun_kind], fun_kind, REG_R3);
#elif N_ARM
asm_arm_bl_ind(emit->as, mp_fun_table[fun_kind], fun_kind, REG_R3);
#endif
ASM_CALL_IND(emit->as, mp_fun_table[fun_kind], fun_kind);
}
STATIC void emit_call_with_imm_arg(emit_t *emit, mp_fun_kind_t fun_kind, mp_int_t arg_val, int arg_reg) {
need_reg_all(emit);
ASM_MOV_IMM_TO_REG(arg_val, arg_reg);
#if N_X64
asm_x64_call_ind(emit->as, mp_fun_table[fun_kind], REG_RAX);
#elif N_THUMB
asm_thumb_bl_ind(emit->as, mp_fun_table[fun_kind], fun_kind, REG_R3);
#elif N_ARM
asm_arm_bl_ind(emit->as, mp_fun_table[fun_kind], fun_kind, REG_R3);
#endif
ASM_MOV_IMM_TO_REG(emit->as, arg_val, arg_reg);
ASM_CALL_IND(emit->as, mp_fun_table[fun_kind], fun_kind);
}
// the first arg is stored in the code aligned on a mp_uint_t boundary
STATIC void emit_call_with_imm_arg_aligned(emit_t *emit, mp_fun_kind_t fun_kind, mp_int_t arg_val, int arg_reg) {
need_reg_all(emit);
ASM_MOV_ALIGNED_IMM_TO_REG(arg_val, arg_reg);
#if N_X64
asm_x64_call_ind(emit->as, mp_fun_table[fun_kind], REG_RAX);
#elif N_THUMB
asm_thumb_bl_ind(emit->as, mp_fun_table[fun_kind], fun_kind, REG_R3);
#elif N_ARM
asm_arm_bl_ind(emit->as, mp_fun_table[fun_kind], fun_kind, REG_R3);
#endif
ASM_MOV_ALIGNED_IMM_TO_REG(emit->as, arg_val, arg_reg);
ASM_CALL_IND(emit->as, mp_fun_table[fun_kind], fun_kind);
}
STATIC void emit_call_with_2_imm_args(emit_t *emit, mp_fun_kind_t fun_kind, mp_int_t arg_val1, int arg_reg1, mp_int_t arg_val2, int arg_reg2) {
need_reg_all(emit);
ASM_MOV_IMM_TO_REG(arg_val1, arg_reg1);
ASM_MOV_IMM_TO_REG(arg_val2, arg_reg2);
#if N_X64
asm_x64_call_ind(emit->as, mp_fun_table[fun_kind], REG_RAX);
#elif N_THUMB
asm_thumb_bl_ind(emit->as, mp_fun_table[fun_kind], fun_kind, REG_R3);
#elif N_ARM
asm_arm_bl_ind(emit->as, mp_fun_table[fun_kind], fun_kind, REG_R3);
#endif
ASM_MOV_IMM_TO_REG(emit->as, arg_val1, arg_reg1);
ASM_MOV_IMM_TO_REG(emit->as, arg_val2, arg_reg2);
ASM_CALL_IND(emit->as, mp_fun_table[fun_kind], fun_kind);
}
// the first arg is stored in the code aligned on a mp_uint_t boundary
STATIC void emit_call_with_3_imm_args_and_first_aligned(emit_t *emit, mp_fun_kind_t fun_kind, mp_int_t arg_val1, int arg_reg1, mp_int_t arg_val2, int arg_reg2, mp_int_t arg_val3, int arg_reg3) {
need_reg_all(emit);
ASM_MOV_ALIGNED_IMM_TO_REG(arg_val1, arg_reg1);
ASM_MOV_IMM_TO_REG(arg_val2, arg_reg2);
ASM_MOV_IMM_TO_REG(arg_val3, arg_reg3);
#if N_X64
asm_x64_call_ind(emit->as, mp_fun_table[fun_kind], REG_RAX);
#elif N_THUMB
asm_thumb_bl_ind(emit->as, mp_fun_table[fun_kind], fun_kind, REG_R3);
#elif N_ARM
asm_arm_bl_ind(emit->as, mp_fun_table[fun_kind], fun_kind, REG_R3);
#endif
ASM_MOV_ALIGNED_IMM_TO_REG(emit->as, arg_val1, arg_reg1);
ASM_MOV_IMM_TO_REG(emit->as, arg_val2, arg_reg2);
ASM_MOV_IMM_TO_REG(emit->as, arg_val3, arg_reg3);
ASM_CALL_IND(emit->as, mp_fun_table[fun_kind], fun_kind);
}
// vtype of all n_pop objects is VTYPE_PYOBJ
@ -670,19 +832,19 @@ STATIC void emit_get_stack_pointer_to_reg_for_pop(emit_t *emit, mp_uint_t reg_de
si->kind = STACK_VALUE;
switch (si->vtype) {
case VTYPE_PYOBJ:
ASM_MOV_IMM_TO_LOCAL_USING(si->u_imm, emit->stack_start + emit->stack_size - 1 - i, reg_dest);
ASM_MOV_IMM_TO_LOCAL_USING(emit->as, si->u_imm, emit->stack_start + emit->stack_size - 1 - i, reg_dest);
break;
case VTYPE_BOOL:
if (si->u_imm == 0) {
ASM_MOV_IMM_TO_LOCAL_USING((mp_uint_t)mp_const_false, emit->stack_start + emit->stack_size - 1 - i, reg_dest);
ASM_MOV_IMM_TO_LOCAL_USING(emit->as, (mp_uint_t)mp_const_false, emit->stack_start + emit->stack_size - 1 - i, reg_dest);
} else {
ASM_MOV_IMM_TO_LOCAL_USING((mp_uint_t)mp_const_true, emit->stack_start + emit->stack_size - 1 - i, reg_dest);
ASM_MOV_IMM_TO_LOCAL_USING(emit->as, (mp_uint_t)mp_const_true, emit->stack_start + emit->stack_size - 1 - i, reg_dest);
}
si->vtype = VTYPE_PYOBJ;
break;
case VTYPE_INT:
case VTYPE_UINT:
ASM_MOV_IMM_TO_LOCAL_USING((si->u_imm << 1) | 1, emit->stack_start + emit->stack_size - 1 - i, reg_dest);
ASM_MOV_IMM_TO_LOCAL_USING(emit->as, (si->u_imm << 1) | 1, emit->stack_start + emit->stack_size - 1 - i, reg_dest);
si->vtype = VTYPE_PYOBJ;
break;
default:
@ -700,16 +862,16 @@ STATIC void emit_get_stack_pointer_to_reg_for_pop(emit_t *emit, mp_uint_t reg_de
stack_info_t *si = &emit->stack_info[emit->stack_size - 1 - i];
if (si->vtype != VTYPE_PYOBJ) {
mp_uint_t local_num = emit->stack_start + emit->stack_size - 1 - i;
ASM_MOV_LOCAL_TO_REG(local_num, REG_ARG_1);
ASM_MOV_LOCAL_TO_REG(emit->as, local_num, REG_ARG_1);
emit_call_with_imm_arg(emit, MP_F_CONVERT_NATIVE_TO_OBJ, si->vtype, REG_ARG_2); // arg2 = type
ASM_MOV_REG_TO_LOCAL(REG_RET, local_num);
ASM_MOV_REG_TO_LOCAL(emit->as, REG_RET, local_num);
si->vtype = VTYPE_PYOBJ;
}
}
// Adujust the stack for a pop of n_pop items, and load the stack pointer into reg_dest.
adjust_stack(emit, -n_pop);
ASM_MOV_LOCAL_ADDR_TO_REG(emit->stack_start + emit->stack_size, reg_dest);
ASM_MOV_LOCAL_ADDR_TO_REG(emit->as, emit->stack_start + emit->stack_size, reg_dest);
}
// vtype of all n_push objects is VTYPE_PYOBJ
@ -719,7 +881,7 @@ STATIC void emit_get_stack_pointer_to_reg_for_push(emit_t *emit, mp_uint_t reg_d
emit->stack_info[emit->stack_size + i].kind = STACK_VALUE;
emit->stack_info[emit->stack_size + i].vtype = VTYPE_PYOBJ;
}
ASM_MOV_LOCAL_ADDR_TO_REG(emit->stack_start + emit->stack_size, reg_dest);
ASM_MOV_LOCAL_ADDR_TO_REG(emit->as, emit->stack_start + emit->stack_size, reg_dest);
adjust_stack(emit, n_push);
}
@ -739,13 +901,7 @@ STATIC void emit_native_label_assign(emit_t *emit, uint l) {
emit_native_pre(emit);
// need to commit stack because we can jump here from elsewhere
need_stack_settled(emit);
#if N_X64
asm_x64_label_assign(emit->as, l);
#elif N_THUMB
asm_thumb_label_assign(emit->as, l);
#elif N_ARM
asm_arm_label_assign(emit->as, l);
#endif
ASM_LABEL_ASSIGN(emit->as, l);
emit_post(emit);
}
@ -864,6 +1020,14 @@ STATIC void emit_native_load_fast(emit_t *emit, qstr qstr, uint id_flags, int lo
asm_x64_mov_local_to_r64(emit->as, local_num - REG_LOCAL_NUM, REG_RAX);
emit_post_push_reg(emit, vtype, REG_RAX);
}
#elif N_X86
if (local_num == 0) {
emit_post_push_reg(emit, vtype, REG_LOCAL_1);
} else {
need_reg_single(emit, REG_EAX, 0);
asm_x86_mov_local_to_r32(emit->as, local_num - REG_LOCAL_NUM, REG_EAX);
emit_post_push_reg(emit, vtype, REG_EAX);
}
#elif N_THUMB
if (local_num == 0) {
emit_post_push_reg(emit, vtype, REG_LOCAL_1);
@ -888,6 +1052,8 @@ STATIC void emit_native_load_fast(emit_t *emit, qstr qstr, uint id_flags, int lo
asm_arm_mov_reg_local(emit->as, REG_R0, local_num - REG_LOCAL_NUM);
emit_post_push_reg(emit, vtype, REG_R0);
}
#else
#error not implemented
#endif
}
@ -955,6 +1121,13 @@ STATIC void emit_native_store_fast(emit_t *emit, qstr qstr, int local_num) {
emit_pre_pop_reg(emit, &vtype, REG_RAX);
asm_x64_mov_r64_to_local(emit->as, REG_RAX, local_num - REG_LOCAL_NUM);
}
#elif N_X86
if (local_num == 0) {
emit_pre_pop_reg(emit, &vtype, REG_LOCAL_1);
} else {
emit_pre_pop_reg(emit, &vtype, REG_EAX);
asm_x86_mov_r32_to_local(emit->as, REG_EAX, local_num - REG_LOCAL_NUM);
}
#elif N_THUMB
if (local_num == 0) {
emit_pre_pop_reg(emit, &vtype, REG_LOCAL_1);
@ -977,6 +1150,8 @@ STATIC void emit_native_store_fast(emit_t *emit, qstr qstr, int local_num) {
emit_pre_pop_reg(emit, &vtype, REG_R0);
asm_arm_mov_local_reg(emit->as, local_num - REG_LOCAL_NUM, REG_R0);
}
#else
#error not implemented
#endif
emit_post(emit);
@ -1012,7 +1187,7 @@ STATIC void emit_native_store_global(emit_t *emit, qstr qstr) {
} else {
emit_pre_pop_reg(emit, &vtype, REG_ARG_1);
emit_call_with_imm_arg(emit, MP_F_CONVERT_NATIVE_TO_OBJ, vtype, REG_ARG_2); // arg2 = type
ASM_MOV_REG_TO_REG(REG_RET, REG_ARG_2);
ASM_MOV_REG_TO_REG(emit->as, REG_RET, REG_ARG_2);
}
emit_call_with_imm_arg(emit, MP_F_STORE_GLOBAL, qstr, REG_ARG_1); // arg1 = name
emit_post(emit);
@ -1110,13 +1285,7 @@ STATIC void emit_native_jump(emit_t *emit, uint label) {
emit_native_pre(emit);
// need to commit stack because we are jumping elsewhere
need_stack_settled(emit);
#if N_X64
asm_x64_jmp_label(emit->as, label);
#elif N_THUMB
asm_thumb_b_label(emit->as, label);
#elif N_ARM
asm_arm_b_label(emit->as, label);
#endif
ASM_JUMP(emit->as, label);
emit_post(emit);
}
@ -1143,62 +1312,26 @@ STATIC void emit_native_jump_helper(emit_t *emit, uint label, bool pop) {
STATIC void emit_native_pop_jump_if_true(emit_t *emit, uint label) {
emit_native_jump_helper(emit, label, true);
#if N_X64
asm_x64_test_r8_with_r8(emit->as, REG_RET, REG_RET);
asm_x64_jcc_label(emit->as, JCC_JNZ, label);
#elif N_THUMB
asm_thumb_cmp_rlo_i8(emit->as, REG_RET, 0);
asm_thumb_bcc_label(emit->as, THUMB_CC_NE, label);
#elif N_ARM
asm_arm_cmp_reg_i8(emit->as, REG_RET, 0);
asm_arm_bcc_label(emit->as, ARM_CC_NE, label);
#endif
ASM_JUMP_IF_REG_NONZERO(emit->as, REG_RET, label);
emit_post(emit);
}
STATIC void emit_native_pop_jump_if_false(emit_t *emit, uint label) {
emit_native_jump_helper(emit, label, true);
#if N_X64
asm_x64_test_r8_with_r8(emit->as, REG_RET, REG_RET);
asm_x64_jcc_label(emit->as, JCC_JZ, label);
#elif N_THUMB
asm_thumb_cmp_rlo_i8(emit->as, REG_RET, 0);
asm_thumb_bcc_label(emit->as, THUMB_CC_EQ, label);
#elif N_ARM
asm_arm_cmp_reg_i8(emit->as, REG_RET, 0);
asm_arm_bcc_label(emit->as, ARM_CC_EQ, label);
#endif
ASM_JUMP_IF_REG_ZERO(emit->as, REG_RET, label);
emit_post(emit);
}
STATIC void emit_native_jump_if_true_or_pop(emit_t *emit, uint label) {
emit_native_jump_helper(emit, label, false);
#if N_X64
asm_x64_test_r8_with_r8(emit->as, REG_RET, REG_RET);
asm_x64_jcc_label(emit->as, JCC_JNZ, label);
#elif N_THUMB
asm_thumb_cmp_rlo_i8(emit->as, REG_RET, 0);
asm_thumb_bcc_label(emit->as, THUMB_CC_NE, label);
#elif N_ARM
asm_arm_cmp_reg_i8(emit->as, REG_RET, 0);
asm_arm_bcc_label(emit->as, ARM_CC_NE, label);
#endif
ASM_JUMP_IF_REG_NONZERO(emit->as, REG_RET, label);
adjust_stack(emit, -1);
emit_post(emit);
}
STATIC void emit_native_jump_if_false_or_pop(emit_t *emit, uint label) {
emit_native_jump_helper(emit, label, false);
#if N_X64
asm_x64_test_r8_with_r8(emit->as, REG_RET, REG_RET);
asm_x64_jcc_label(emit->as, JCC_JZ, label);
#elif N_THUMB
asm_thumb_cmp_rlo_i8(emit->as, REG_RET, 0);
asm_thumb_bcc_label(emit->as, THUMB_CC_EQ, label);
#elif N_ARM
asm_arm_cmp_reg_i8(emit->as, REG_RET, 0);
asm_arm_bcc_label(emit->as, ARM_CC_EQ, label);
#endif
ASM_JUMP_IF_REG_ZERO(emit->as, REG_RET, label);
adjust_stack(emit, -1);
emit_post(emit);
}
@ -1226,16 +1359,7 @@ STATIC void emit_native_setup_except(emit_t *emit, uint label) {
need_stack_settled(emit);
emit_get_stack_pointer_to_reg_for_push(emit, REG_ARG_1, sizeof(nlr_buf_t) / sizeof(mp_uint_t)); // arg1 = pointer to nlr buf
emit_call(emit, MP_F_NLR_PUSH);
#if N_X64
asm_x64_test_r8_with_r8(emit->as, REG_RET, REG_RET);
asm_x64_jcc_label(emit->as, JCC_JNZ, label);
#elif N_THUMB
asm_thumb_cmp_rlo_i8(emit->as, REG_RET, 0);
asm_thumb_bcc_label(emit->as, THUMB_CC_NE, label);
#elif N_ARM
asm_arm_cmp_reg_i8(emit->as, REG_RET, 0);
asm_arm_bcc_label(emit->as, ARM_CC_NE, label);
#endif
ASM_JUMP_IF_REG_NONZERO(emit->as, REG_RET, label);
emit_post(emit);
}
@ -1265,17 +1389,8 @@ STATIC void emit_native_for_iter(emit_t *emit, uint label) {
emit_access_stack(emit, 1, &vtype, REG_ARG_1);
assert(vtype == VTYPE_PYOBJ);
emit_call(emit, MP_F_ITERNEXT);
ASM_MOV_IMM_TO_REG((mp_uint_t)MP_OBJ_STOP_ITERATION, REG_TEMP1);
#if N_X64
asm_x64_cmp_r64_with_r64(emit->as, REG_RET, REG_TEMP1);
asm_x64_jcc_label(emit->as, JCC_JE, label);
#elif N_THUMB
asm_thumb_cmp_rlo_rlo(emit->as, REG_RET, REG_TEMP1);
asm_thumb_bcc_label(emit->as, THUMB_CC_EQ, label);
#elif N_ARM
asm_arm_cmp_reg_i8(emit->as, REG_RET, 0);
asm_arm_bcc_label(emit->as, ARM_CC_EQ, label);
#endif
ASM_MOV_IMM_TO_REG(emit->as, (mp_uint_t)MP_OBJ_STOP_ITERATION, REG_TEMP1);
ASM_JUMP_IF_REG_EQ(emit->as, REG_RET, REG_TEMP1, label);
emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET);
}
@ -1322,17 +1437,25 @@ STATIC void emit_native_binary_op(emit_t *emit, mp_binary_op_t op) {
if (op == MP_BINARY_OP_ADD || op == MP_BINARY_OP_INPLACE_ADD) {
#if N_X64
asm_x64_add_r64_to_r64(emit->as, REG_ARG_3, REG_ARG_2);
#elif N_X86
asm_x86_add_r32_to_r32(emit->as, REG_ARG_3, REG_ARG_2);
#elif N_THUMB
asm_thumb_add_rlo_rlo_rlo(emit->as, REG_ARG_2, REG_ARG_2, REG_ARG_3);
#elif N_ARM
asm_arm_add_reg(emit->as, REG_ARG_2, REG_ARG_2, REG_ARG_3);
#else
#error not implemented
#endif
emit_post_push_reg(emit, VTYPE_INT, REG_ARG_2);
} else if (op == MP_BINARY_OP_LESS) {
#if N_X64
asm_x64_xor_r64_to_r64(emit->as, REG_RET, REG_RET);
asm_x64_cmp_r64_with_r64(emit->as, REG_ARG_3, REG_ARG_2);
asm_x64_setcc_r8(emit->as, JCC_JL, REG_RET);
asm_x64_setcc_r8(emit->as, ASM_X64_CC_JL, REG_RET);
#elif N_X86
asm_x86_xor_r32_to_r32(emit->as, REG_RET, REG_RET);
asm_x86_cmp_r32_with_r32(emit->as, REG_ARG_3, REG_ARG_2);
asm_x86_setcc_r8(emit->as, ASM_X86_CC_JL, REG_RET);
#elif N_THUMB
asm_thumb_cmp_rlo_rlo(emit->as, REG_ARG_2, REG_ARG_3);
asm_thumb_ite_ge(emit->as);
@ -1340,6 +1463,8 @@ STATIC void emit_native_binary_op(emit_t *emit, mp_binary_op_t op) {
asm_thumb_mov_rlo_i8(emit->as, REG_RET, 1); // if r0 < r1
#elif N_ARM
asm_arm_less_op(emit->as, REG_ARG_2, REG_ARG_3);
#else
#error not implemented
#endif
emit_post_push_reg(emit, VTYPE_BOOL, REG_RET);
} else {
@ -1558,7 +1683,7 @@ STATIC void emit_native_return_value(emit_t *emit) {
if (emit->do_viper_types) {
if (vtype == VTYPE_PTR_NONE) {
if (emit->return_vtype == VTYPE_PYOBJ) {
ASM_MOV_IMM_TO_REG((mp_uint_t)mp_const_none, REG_RET);
ASM_MOV_IMM_TO_REG(emit->as, (mp_uint_t)mp_const_none, REG_RET);
}
} else if (vtype != emit->return_vtype) {
printf("ViperTypeError: incompatible return type\n");
@ -1567,16 +1692,8 @@ STATIC void emit_native_return_value(emit_t *emit) {
assert(vtype == VTYPE_PYOBJ);
}
emit->last_emit_was_return_value = true;
#if N_X64
//asm_x64_call_ind(emit->as, 0, REG_RAX); to seg fault for debugging with gdb
asm_x64_exit(emit->as);
#elif N_THUMB
//asm_thumb_call_ind(emit->as, 0, REG_R0); to seg fault for debugging with gdb
asm_thumb_exit(emit->as);
#elif N_ARM
//asm_arm_bkpt(emit->as); to insert a bkpt and not segfault for debugging
asm_arm_exit(emit->as);
#endif
//ASM_BREAK_POINT(emit->as); // to insert a break-point for debugging
ASM_EXIT(emit->as);
}
STATIC void emit_native_raise_varargs(emit_t *emit, int n_args) {
@ -1704,4 +1821,4 @@ const emit_method_table_t EXPORT_FUN(method_table) = {
emit_native_end_except_handler,
};
#endif // (MICROPY_EMIT_X64 && N_X64) || (MICROPY_EMIT_THUMB && N_THUMB) || (MICROPY_EMIT_ARM && N_ARM)
#endif

7
py/mpconfig.h
View File

@ -101,6 +101,11 @@
#define MICROPY_EMIT_X64 (0)
#endif
// Whether to emit x86 native code
#ifndef MICROPY_EMIT_X86
#define MICROPY_EMIT_X86 (0)
#endif
// Whether to emit thumb native code
#ifndef MICROPY_EMIT_THUMB
#define MICROPY_EMIT_THUMB (0)
@ -117,7 +122,7 @@
#endif
// Convenience definition for whether any native emitter is enabled
#define MICROPY_EMIT_NATIVE (MICROPY_EMIT_X64 || MICROPY_EMIT_THUMB || MICROPY_EMIT_ARM)
#define MICROPY_EMIT_NATIVE (MICROPY_EMIT_X64 || MICROPY_EMIT_X86 || MICROPY_EMIT_THUMB || MICROPY_EMIT_ARM)
/*****************************************************************************/
/* Compiler configuration */

6
py/py.mk
View File

@ -35,6 +35,8 @@ PY_O_BASENAME = \
emitbc.o \
asmx64.o \
emitnx64.o \
asmx86.o \
emitnx86.o \
asmthumb.o \
emitnthumb.o \
emitinlinethumb.o \
@ -145,6 +147,10 @@ $(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)

2
py/qstrdefs.h
View File

@ -73,7 +73,7 @@ Q(micropython)
Q(bytecode)
Q(const)
#if MICROPY_EMIT_X64 || MICROPY_EMIT_THUMB || MICROPY_EMIT_ARM
#if MICROPY_EMIT_NATIVE
Q(native)
Q(viper)
Q(uint)

3
unix/mpconfigport.h
View File

@ -30,6 +30,9 @@
#if !defined(MICROPY_EMIT_X64) && defined(__x86_64__)
#define MICROPY_EMIT_X64 (1)
#endif
#if !defined(MICROPY_EMIT_X86) && defined(__i386__)
#define MICROPY_EMIT_X86 (1)
#endif
#define MICROPY_EMIT_THUMB (0)
#define MICROPY_EMIT_INLINE_THUMB (0)
#define MICROPY_ENABLE_GC (1)