diff options
Diffstat (limited to 'py/asmx86.h')
| -rw-r--r-- | py/asmx86.h | 106 |
1 files changed, 91 insertions, 15 deletions
diff --git a/py/asmx86.h b/py/asmx86.h index e0c57722ad..0b44af6639 100644 --- a/py/asmx86.h +++ b/py/asmx86.h @@ -28,6 +28,7 @@ #include "py/mpconfig.h" #include "py/misc.h" +#include "py/asmbase.h" // x86 cdecl calling convention is: // - args passed on the stack in reverse order @@ -42,9 +43,6 @@ // NOTE: this is a change from the old convention used in this file and // some functions still use the old (reverse) convention. -#define ASM_X86_PASS_COMPUTE (1) -#define ASM_X86_PASS_EMIT (2) - #define ASM_X86_REG_EAX (0) #define ASM_X86_REG_ECX (1) #define ASM_X86_REG_EDX (2) @@ -75,18 +73,14 @@ #define ASM_X86_CC_JLE (0xe) // less or equal, signed #define ASM_X86_CC_JG (0xf) // greater, signed -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_pos(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); +typedef struct _asm_x86_t { + mp_asm_base_t base; + int num_locals; +} asm_x86_t; -void asm_x86_align(asm_x86_t *as, mp_uint_t align); -void asm_x86_data(asm_x86_t *as, mp_uint_t bytesize, mp_uint_t val); +static inline void asm_x86_end_pass(asm_x86_t *as) { + (void)as; +} void asm_x86_mov_r32_r32(asm_x86_t* as, int dest_r32, int src_r32); void asm_x86_mov_i32_to_r32(asm_x86_t *as, int32_t src_i32, int dest_r32); @@ -108,7 +102,6 @@ void asm_x86_mul_r32_r32(asm_x86_t* as, int dest_r32, int src_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); @@ -119,4 +112,87 @@ 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); +#if GENERIC_ASM_API + +// The following macros provide a (mostly) arch-independent API to +// generate native code, and are used by the native emitter. + +#define ASM_WORD_SIZE (4) + +#define REG_RET ASM_X86_REG_EAX +#define REG_ARG_1 ASM_X86_REG_ARG_1 +#define REG_ARG_2 ASM_X86_REG_ARG_2 +#define REG_ARG_3 ASM_X86_REG_ARG_3 +#define REG_ARG_4 ASM_X86_REG_ARG_4 +#define REG_ARG_5 ASM_X86_REG_ARG_5 + +// caller-save, so can be used as temporaries +#define REG_TEMP0 ASM_X86_REG_EAX +#define REG_TEMP1 ASM_X86_REG_ECX +#define REG_TEMP2 ASM_X86_REG_EDX + +// callee-save, so can be used as locals +#define REG_LOCAL_1 ASM_X86_REG_EBX +#define REG_LOCAL_2 ASM_X86_REG_ESI +#define REG_LOCAL_3 ASM_X86_REG_EDI +#define REG_LOCAL_NUM (3) + +#define ASM_T asm_x86_t +#define ASM_END_PASS asm_x86_end_pass +#define ASM_ENTRY asm_x86_entry +#define ASM_EXIT asm_x86_exit + +#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], ASM_X86_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_REG(as, reg_dest, reg_src) asm_x86_mov_r32_r32((as), (reg_dest), (reg_src)) +#define ASM_MOV_LOCAL_ADDR_TO_REG asm_x86_mov_local_addr_to_r32 + +#define ASM_LSL_REG(as, reg) asm_x86_shl_r32_cl((as), (reg)) +#define ASM_ASR_REG(as, reg) asm_x86_sar_r32_cl((as), (reg)) +#define ASM_OR_REG_REG(as, reg_dest, reg_src) asm_x86_or_r32_r32((as), (reg_dest), (reg_src)) +#define ASM_XOR_REG_REG(as, reg_dest, reg_src) asm_x86_xor_r32_r32((as), (reg_dest), (reg_src)) +#define ASM_AND_REG_REG(as, reg_dest, reg_src) asm_x86_and_r32_r32((as), (reg_dest), (reg_src)) +#define ASM_ADD_REG_REG(as, reg_dest, reg_src) asm_x86_add_r32_r32((as), (reg_dest), (reg_src)) +#define ASM_SUB_REG_REG(as, reg_dest, reg_src) asm_x86_sub_r32_r32((as), (reg_dest), (reg_src)) +#define ASM_MUL_REG_REG(as, reg_dest, reg_src) asm_x86_mul_r32_r32((as), (reg_dest), (reg_src)) + +#define ASM_LOAD_REG_REG(as, reg_dest, reg_base) asm_x86_mov_mem32_to_r32((as), (reg_base), 0, (reg_dest)) +#define ASM_LOAD_REG_REG_OFFSET(as, reg_dest, reg_base, word_offset) asm_x86_mov_mem32_to_r32((as), (reg_base), 4 * (word_offset), (reg_dest)) +#define ASM_LOAD8_REG_REG(as, reg_dest, reg_base) asm_x86_mov_mem8_to_r32zx((as), (reg_base), 0, (reg_dest)) +#define ASM_LOAD16_REG_REG(as, reg_dest, reg_base) asm_x86_mov_mem16_to_r32zx((as), (reg_base), 0, (reg_dest)) +#define ASM_LOAD32_REG_REG(as, reg_dest, reg_base) asm_x86_mov_mem32_to_r32((as), (reg_base), 0, (reg_dest)) + +#define ASM_STORE_REG_REG(as, reg_src, reg_base) asm_x86_mov_r32_to_mem32((as), (reg_src), (reg_base), 0) +#define ASM_STORE_REG_REG_OFFSET(as, reg_src, reg_base, word_offset) asm_x86_mov_r32_to_mem32((as), (reg_src), (reg_base), 4 * (word_offset)) +#define ASM_STORE8_REG_REG(as, reg_src, reg_base) asm_x86_mov_r8_to_mem8((as), (reg_src), (reg_base), 0) +#define ASM_STORE16_REG_REG(as, reg_src, reg_base) asm_x86_mov_r16_to_mem16((as), (reg_src), (reg_base), 0) +#define ASM_STORE32_REG_REG(as, reg_src, reg_base) asm_x86_mov_r32_to_mem32((as), (reg_src), (reg_base), 0) + +#endif // GENERIC_ASM_API + #endif // __MICROPY_INCLUDED_PY_ASMX86_H__ |