92 lines
3.8 KiB
C
92 lines
3.8 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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// AMD64 calling convention is:
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// - args pass in: RDI, RSI, RDX, RCX, R08, R09
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// - return value in RAX
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// - stack must be aligned on a 16-byte boundary before all calls
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// - RAX, RCX, RDX, RSI, RDI, R08, R09, R10, R11 are caller-save
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// - RBX, RBP, R12, R13, R14, R15 are callee-save
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#define ASM_X64_PASS_COMPUTE (1)
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#define ASM_X64_PASS_EMIT (2)
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#define REG_RAX (0)
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#define REG_RCX (1)
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#define REG_RDX (2)
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#define REG_RBX (3)
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#define REG_RSP (4)
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#define REG_RBP (5)
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#define REG_RSI (6)
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#define REG_RDI (7)
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#define REG_R08 (8)
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#define REG_R09 (9)
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#define REG_R10 (10)
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#define REG_R11 (11)
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#define REG_R12 (12)
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#define REG_R13 (13)
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#define REG_R14 (14)
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#define REG_R15 (15)
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// condition codes, used for jcc and setcc (despite their j-name!)
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#define ASM_X64_CC_JB (0x2) // below, unsigned
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#define ASM_X64_CC_JZ (0x4)
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#define ASM_X64_CC_JE (0x4)
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#define ASM_X64_CC_JNZ (0x5)
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#define ASM_X64_CC_JNE (0x5)
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#define ASM_X64_CC_JL (0xc) // less, signed
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typedef struct _asm_x64_t asm_x64_t;
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asm_x64_t* asm_x64_new(uint max_num_labels);
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void asm_x64_free(asm_x64_t* as, bool free_code);
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void asm_x64_start_pass(asm_x64_t *as, uint pass);
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void asm_x64_end_pass(asm_x64_t *as);
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uint asm_x64_get_code_size(asm_x64_t* as);
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void* asm_x64_get_code(asm_x64_t* as);
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void asm_x64_nop(asm_x64_t* as);
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void asm_x64_push_r64(asm_x64_t* as, int src_r64);
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void asm_x64_pop_r64(asm_x64_t* as, int dest_r64);
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void asm_x64_mov_r64_to_r64(asm_x64_t* as, int src_r64, int dest_r64);
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void asm_x64_mov_i64_to_r64(asm_x64_t* as, int64_t src_i64, int dest_r64);
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void asm_x64_mov_i64_to_r64_optimised(asm_x64_t *as, int64_t src_i64, int dest_r64);
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void asm_x64_mov_i64_to_r64_aligned(asm_x64_t *as, int64_t src_i64, int dest_r64);
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void asm_x64_xor_r64_to_r64(asm_x64_t *as, int src_r64, int dest_r64);
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void asm_x64_add_r64_to_r64(asm_x64_t* as, int src_r64, int dest_r64);
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void asm_x64_cmp_r64_with_r64(asm_x64_t* as, int src_r64_a, int src_r64_b);
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void asm_x64_test_r8_with_r8(asm_x64_t* as, int src_r64_a, int src_r64_b);
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void asm_x64_setcc_r8(asm_x64_t* as, int jcc_type, int dest_r8);
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void asm_x64_label_assign(asm_x64_t* as, int label);
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void asm_x64_jmp_label(asm_x64_t* as, int label);
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void asm_x64_jcc_label(asm_x64_t* as, int jcc_type, int label);
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void asm_x64_entry(asm_x64_t* as, int num_locals);
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void asm_x64_exit(asm_x64_t* as);
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void asm_x64_mov_local_to_r64(asm_x64_t* as, int src_local_num, int dest_r64);
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void asm_x64_mov_r64_to_local(asm_x64_t* as, int src_r64, int dest_local_num);
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void asm_x64_mov_local_addr_to_r64(asm_x64_t* as, int local_num, int dest_r64);
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void asm_x64_call_ind(asm_x64_t* as, void* ptr, int temp_r32);
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