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9988618e0e
This patch gets full function argument passing working with native emitter. Includes named args, keyword args, default args, var args and var keyword args. Fully Python compliant. It reuses the bytecode mp_setup_code_state function to do all the hard work. This function is slightly adjusted to accommodate native calls, and the native emitter is forced a bit to emit similar prelude and code-info as bytecode.
122 lines
5.6 KiB
C
122 lines
5.6 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) 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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#ifndef __MICROPY_INCLUDED_PY_ASMX86_H__
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#define __MICROPY_INCLUDED_PY_ASMX86_H__
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#include "py/mpconfig.h"
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#include "py/misc.h"
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// x86 cdecl calling convention is:
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// - args passed on the stack in reverse order
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// - return value in EAX
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// - caller cleans up the stack after a call
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// - stack must be aligned to 16-byte boundary before all calls
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// - EAX, ECX, EDX are caller-save
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// - EBX, ESI, EDI, EBP, ESP, EIP are callee-save
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// In the functions below, argument order follows x86 docs and generally
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// the destination is the first argument.
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// NOTE: this is a change from the old convention used in this file and
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// some functions still use the old (reverse) convention.
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#define ASM_X86_PASS_COMPUTE (1)
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#define ASM_X86_PASS_EMIT (2)
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#define ASM_X86_REG_EAX (0)
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#define ASM_X86_REG_ECX (1)
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#define ASM_X86_REG_EDX (2)
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#define ASM_X86_REG_EBX (3)
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#define ASM_X86_REG_ESP (4)
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#define ASM_X86_REG_EBP (5)
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#define ASM_X86_REG_ESI (6)
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#define ASM_X86_REG_EDI (7)
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// x86 passes values on the stack, but the emitter is register based, so we need
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// to define registers that can temporarily hold the function arguments. They
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// need to be defined here so that asm_x86_call_ind can push them onto the stack
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// before the call.
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#define ASM_X86_REG_ARG_1 ASM_X86_REG_EAX
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#define ASM_X86_REG_ARG_2 ASM_X86_REG_ECX
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#define ASM_X86_REG_ARG_3 ASM_X86_REG_EDX
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#define ASM_X86_REG_ARG_4 ASM_X86_REG_EBX
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#define ASM_X86_REG_ARG_5 ASM_X86_REG_ESI
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// condition codes, used for jcc and setcc (despite their j-name!)
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#define ASM_X86_CC_JB (0x2) // below, unsigned
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#define ASM_X86_CC_JZ (0x4)
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#define ASM_X86_CC_JE (0x4)
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#define ASM_X86_CC_JNZ (0x5)
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#define ASM_X86_CC_JNE (0x5)
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#define ASM_X86_CC_JL (0xc) // less, signed
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#define ASM_X86_CC_JGE (0xd) // greater or equal, signed
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#define ASM_X86_CC_JLE (0xe) // less or equal, signed
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#define ASM_X86_CC_JG (0xf) // greater, signed
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typedef struct _asm_x86_t asm_x86_t;
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asm_x86_t* asm_x86_new(mp_uint_t max_num_labels);
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void asm_x86_free(asm_x86_t* as, bool free_code);
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void asm_x86_start_pass(asm_x86_t *as, mp_uint_t pass);
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void asm_x86_end_pass(asm_x86_t *as);
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mp_uint_t asm_x86_get_code_pos(asm_x86_t *as);
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mp_uint_t asm_x86_get_code_size(asm_x86_t* as);
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void* asm_x86_get_code(asm_x86_t* as);
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void asm_x86_align(asm_x86_t *as, mp_uint_t align);
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void asm_x86_data(asm_x86_t *as, mp_uint_t bytesize, mp_uint_t val);
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void asm_x86_mov_r32_r32(asm_x86_t* as, int dest_r32, int src_r32);
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void asm_x86_mov_i32_to_r32(asm_x86_t *as, int32_t src_i32, int dest_r32);
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void asm_x86_mov_i32_to_r32_aligned(asm_x86_t *as, int32_t src_i32, int dest_r32);
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void asm_x86_mov_r8_to_mem8(asm_x86_t *as, int src_r32, int dest_r32, int dest_disp);
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void asm_x86_mov_r16_to_mem16(asm_x86_t *as, int src_r32, int dest_r32, int dest_disp);
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void asm_x86_mov_r32_to_mem32(asm_x86_t *as, int src_r32, int dest_r32, int dest_disp);
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void asm_x86_mov_mem8_to_r32zx(asm_x86_t *as, int src_r32, int src_disp, int dest_r32);
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void asm_x86_mov_mem16_to_r32zx(asm_x86_t *as, int src_r32, int src_disp, int dest_r32);
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void asm_x86_mov_mem32_to_r32(asm_x86_t *as, int src_r32, int src_disp, int dest_r32);
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void asm_x86_and_r32_r32(asm_x86_t *as, int dest_r32, int src_r32);
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void asm_x86_or_r32_r32(asm_x86_t *as, int dest_r32, int src_r32);
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void asm_x86_xor_r32_r32(asm_x86_t *as, int dest_r32, int src_r32);
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void asm_x86_shl_r32_cl(asm_x86_t* as, int dest_r32);
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void asm_x86_sar_r32_cl(asm_x86_t* as, int dest_r32);
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void asm_x86_add_r32_r32(asm_x86_t* as, int dest_r32, int src_r32);
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void asm_x86_sub_r32_r32(asm_x86_t* as, int dest_r32, int src_r32);
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void asm_x86_cmp_r32_with_r32(asm_x86_t* as, int src_r32_a, int src_r32_b);
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void asm_x86_test_r8_with_r8(asm_x86_t* as, int src_r32_a, int src_r32_b);
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void asm_x86_setcc_r8(asm_x86_t* as, mp_uint_t jcc_type, int dest_r8);
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void asm_x86_label_assign(asm_x86_t* as, mp_uint_t label);
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void asm_x86_jmp_label(asm_x86_t* as, mp_uint_t label);
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void asm_x86_jcc_label(asm_x86_t* as, mp_uint_t jcc_type, mp_uint_t label);
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void asm_x86_entry(asm_x86_t* as, mp_uint_t num_locals);
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void asm_x86_exit(asm_x86_t* as);
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void asm_x86_mov_arg_to_r32(asm_x86_t *as, int src_arg_num, int dest_r32);
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void asm_x86_mov_local_to_r32(asm_x86_t* as, int src_local_num, int dest_r32);
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void asm_x86_mov_r32_to_local(asm_x86_t* as, int src_r32, int dest_local_num);
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void asm_x86_mov_local_addr_to_r32(asm_x86_t* as, int local_num, int dest_r32);
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void asm_x86_call_ind(asm_x86_t* as, void* ptr, mp_uint_t n_args, int temp_r32);
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#endif // __MICROPY_INCLUDED_PY_ASMX86_H__
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