| Damien George | c90f59e | 2014-09-06 23:06:36 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * This file is part of the Micro Python project, http://micropython.org/ |
| 3 | * |
| 4 | * The MIT License (MIT) |
| 5 | * |
| 6 | * Copyright (c) 2014 Damien P. George |
| 7 | * |
| 8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 9 | * of this software and associated documentation files (the "Software"), to deal |
| 10 | * in the Software without restriction, including without limitation the rights |
| 11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 12 | * copies of the Software, and to permit persons to whom the Software is |
| 13 | * furnished to do so, subject to the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice shall be included in |
| 16 | * all copies or substantial portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 24 | * THE SOFTWARE. |
| 25 | */ |
| 26 | |
| 27 | #define ASM_X86_PASS_COMPUTE (1) |
| 28 | #define ASM_X86_PASS_EMIT (2) |
| 29 | |
| 30 | #define REG_EAX (0) |
| 31 | #define REG_ECX (1) |
| 32 | #define REG_EDX (2) |
| 33 | #define REG_EBX (3) |
| 34 | #define REG_ESP (4) |
| 35 | #define REG_EBP (5) |
| 36 | #define REG_ESI (6) |
| 37 | #define REG_EDI (7) |
| 38 | |
| 39 | // condition codes, used for jcc and setcc (despite their j-name!) |
| 40 | #define ASM_X86_CC_JB (0x2) // below, unsigned |
| 41 | #define ASM_X86_CC_JZ (0x4) |
| 42 | #define ASM_X86_CC_JE (0x4) |
| 43 | #define ASM_X86_CC_JNZ (0x5) |
| 44 | #define ASM_X86_CC_JNE (0x5) |
| 45 | #define ASM_X86_CC_JL (0xc) // less, signed |
| 46 | |
| 47 | #define REG_RET REG_EAX |
| 48 | #define REG_ARG_1 REG_EDI |
| 49 | #define REG_ARG_2 REG_ESI |
| 50 | #define REG_ARG_3 REG_EDX |
| 51 | |
| 52 | typedef struct _asm_x86_t asm_x86_t; |
| 53 | |
| 54 | asm_x86_t* asm_x86_new(mp_uint_t max_num_labels); |
| 55 | void asm_x86_free(asm_x86_t* as, bool free_code); |
| 56 | void asm_x86_start_pass(asm_x86_t *as, mp_uint_t pass); |
| 57 | void asm_x86_end_pass(asm_x86_t *as); |
| 58 | mp_uint_t asm_x86_get_code_size(asm_x86_t* as); |
| 59 | void* asm_x86_get_code(asm_x86_t* as); |
| 60 | |
| 61 | void asm_x86_mov_r32_to_r32(asm_x86_t* as, int src_r32, int dest_r32); |
| 62 | void asm_x86_mov_i32_to_r32(asm_x86_t *as, int32_t src_i32, int dest_r32); |
| 63 | void asm_x86_mov_i32_to_r32_aligned(asm_x86_t *as, int32_t src_i32, int dest_r32); |
| 64 | void asm_x86_xor_r32_to_r32(asm_x86_t *as, int src_r32, int dest_r32); |
| 65 | void asm_x86_add_r32_to_r32(asm_x86_t* as, int src_r32, int dest_r32); |
| 66 | void asm_x86_cmp_r32_with_r32(asm_x86_t* as, int src_r32_a, int src_r32_b); |
| 67 | void asm_x86_test_r8_with_r8(asm_x86_t* as, int src_r32_a, int src_r32_b); |
| 68 | void asm_x86_setcc_r8(asm_x86_t* as, mp_uint_t jcc_type, int dest_r8); |
| 69 | void asm_x86_label_assign(asm_x86_t* as, mp_uint_t label); |
| 70 | void asm_x86_jmp_label(asm_x86_t* as, mp_uint_t label); |
| 71 | void asm_x86_jcc_label(asm_x86_t* as, mp_uint_t jcc_type, mp_uint_t label); |
| 72 | void asm_x86_entry(asm_x86_t* as, mp_uint_t num_locals); |
| 73 | void asm_x86_exit(asm_x86_t* as); |
| 74 | void asm_x86_mov_local_to_r32(asm_x86_t* as, int src_local_num, int dest_r32); |
| 75 | void asm_x86_mov_r32_to_local(asm_x86_t* as, int src_r32, int dest_local_num); |
| 76 | void asm_x86_mov_local_addr_to_r32(asm_x86_t* as, int local_num, int dest_r32); |
| 77 | void asm_x86_call_ind(asm_x86_t* as, void* ptr, mp_uint_t n_args, int temp_r32); |