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py: Make macro names in assemblers consistent, and tidy up a bit.

This commit is contained in:
Damien George 2014-09-29 16:25:04 +01:00
parent d66e48662b
commit 0b610de017
10 changed files with 301 additions and 334 deletions
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55
py/asmarm.c
View File

@ -45,9 +45,8 @@ struct _asm_arm_t {
byte *code_base;
byte dummy_data[4];
uint max_num_labels;
int *label_offsets;
int num_locals;
mp_uint_t max_num_labels;
mp_uint_t *label_offsets;
uint push_reglist;
uint stack_adjust;
};
@ -57,7 +56,7 @@ asm_arm_t *asm_arm_new(uint max_num_labels) {
as = m_new0(asm_arm_t, 1);
as->max_num_labels = max_num_labels;
as->label_offsets = m_new(int, max_num_labels);
as->label_offsets = m_new(mp_uint_t, max_num_labels);
return as;
}
@ -66,7 +65,7 @@ void asm_arm_free(asm_arm_t *as, bool free_code) {
if (free_code) {
MP_PLAT_FREE_EXEC(as->code_base, as->code_size);
}
m_del(mp_uint_t, as->label_offsets, as->max_num_labels);
m_del_obj(asm_arm_t, as);
}
@ -74,7 +73,7 @@ void asm_arm_start_pass(asm_arm_t *as, uint pass) {
as->pass = pass;
as->code_offset = 0;
if (pass == ASM_ARM_PASS_COMPUTE) {
memset(as->label_offsets, -1, as->max_num_labels * sizeof(int));
memset(as->label_offsets, -1, as->max_num_labels * sizeof(mp_uint_t));
}
}
@ -127,7 +126,7 @@ STATIC void emit(asm_arm_t *as, uint op) {
// Insert word into instruction flow, add "ALWAYS" condition code
STATIC void emit_al(asm_arm_t *as, uint op) {
emit(as, op | ARM_CC_AL);
emit(as, op | ASM_ARM_CC_AL);
}
// Basic instructions without condition code
@ -178,7 +177,7 @@ void asm_arm_bkpt(asm_arm_t *as) {
// locals:
// - stored on the stack in ascending order
// - numbered 0 through as->num_locals-1
// - numbered 0 through num_locals-1
// - SP points to first local
//
// | SP
@ -194,30 +193,36 @@ void asm_arm_entry(asm_arm_t *as, int num_locals) {
}
as->stack_adjust = 0;
as->num_locals = num_locals;
as->push_reglist = 1 << REG_R1 | 1 << REG_R2 | 1 << REG_R3 | 1 << REG_R4
| 1 << REG_R5 | 1 << REG_R6 | 1 << REG_R7 | 1 << REG_R8;
as->push_reglist = 1 << ASM_ARM_REG_R1
| 1 << ASM_ARM_REG_R2
| 1 << ASM_ARM_REG_R3
| 1 << ASM_ARM_REG_R4
| 1 << ASM_ARM_REG_R5
| 1 << ASM_ARM_REG_R6
| 1 << ASM_ARM_REG_R7
| 1 << ASM_ARM_REG_R8;
// Only adjust the stack if there are more locals than usable registers
if(num_locals > 3) {
as->stack_adjust = num_locals * 4;
// Align stack to 8 bytes
if(as->num_locals & 1)
if (num_locals & 1) {
as->stack_adjust += 4;
}
}
emit_al(as, asm_arm_op_push(as->push_reglist | 1 << REG_LR));
emit_al(as, asm_arm_op_push(as->push_reglist | 1 << ASM_ARM_REG_LR));
if (as->stack_adjust > 0) {
emit_al(as, asm_arm_op_sub_imm(REG_SP, REG_SP, as->stack_adjust));
emit_al(as, asm_arm_op_sub_imm(ASM_ARM_REG_SP, ASM_ARM_REG_SP, as->stack_adjust));
}
}
void asm_arm_exit(asm_arm_t *as) {
if (as->stack_adjust > 0) {
emit_al(as, asm_arm_op_add_imm(REG_SP, REG_SP, as->stack_adjust));
emit_al(as, asm_arm_op_add_imm(ASM_ARM_REG_SP, ASM_ARM_REG_SP, as->stack_adjust));
}
emit_al(as, asm_arm_op_pop(as->push_reglist | (1 << REG_PC)));
emit_al(as, asm_arm_op_pop(as->push_reglist | (1 << ASM_ARM_REG_PC)));
}
void asm_arm_label_assign(asm_arm_t *as, uint label) {
@ -289,8 +294,8 @@ void asm_arm_cmp_reg_reg(asm_arm_t *as, uint rd, uint rn) {
void asm_arm_less_op(asm_arm_t *as, uint rd, uint rn, uint rm) {
asm_arm_cmp_reg_reg(as, rn, rm); // cmp rn, rm
emit(as, asm_arm_op_mov_imm(rd, 1) | ARM_CC_LT); // movlt rd, #1
emit(as, asm_arm_op_mov_imm(rd, 0) | ARM_CC_GE); // movge rd, #0
emit(as, asm_arm_op_mov_imm(rd, 1) | ASM_ARM_CC_LT); // movlt rd, #1
emit(as, asm_arm_op_mov_imm(rd, 0) | ASM_ARM_CC_GE); // movge rd, #0
}
void asm_arm_add_reg(asm_arm_t *as, uint rd, uint rn, uint rm) {
@ -300,13 +305,13 @@ void asm_arm_add_reg(asm_arm_t *as, uint rd, uint rn, uint rm) {
void asm_arm_mov_reg_local_addr(asm_arm_t *as, uint rd, int local_num) {
// add rd, sp, #local_num*4
emit_al(as, asm_arm_op_add_imm(rd, REG_SP, local_num << 2));
emit_al(as, asm_arm_op_add_imm(rd, ASM_ARM_REG_SP, local_num << 2));
}
void asm_arm_bcc_label(asm_arm_t *as, int cond, uint label) {
assert(label < as->max_num_labels);
int dest = as->label_offsets[label];
int rel = dest - as->code_offset;
mp_uint_t dest = as->label_offsets[label];
mp_int_t rel = dest - as->code_offset;
rel -= 8; // account for instruction prefetch, PC is 8 bytes ahead of this instruction
rel >>= 2; // in ARM mode the branch target is 32-bit aligned, so the 2 LSB are omitted
@ -318,21 +323,21 @@ void asm_arm_bcc_label(asm_arm_t *as, int cond, uint label) {
}
void asm_arm_b_label(asm_arm_t *as, uint label) {
asm_arm_bcc_label(as, ARM_CC_AL, label);
asm_arm_bcc_label(as, ASM_ARM_CC_AL, label);
}
void asm_arm_bl_ind(asm_arm_t *as, void *fun_ptr, uint fun_id, uint reg_temp) {
// If the table offset fits into the ldr instruction
if(fun_id < (0x1000 / 4)) {
emit_al(as, asm_arm_op_mov_reg(REG_LR, REG_PC)); // mov lr, pc
emit_al(as, asm_arm_op_mov_reg(ASM_ARM_REG_LR, ASM_ARM_REG_PC)); // mov lr, pc
emit_al(as, 0x597f000 | (fun_id << 2)); // ldr pc, [r7, #fun_id*4]
return;
}
emit_al(as, 0x59f0004 | (reg_temp << 12)); // ldr rd, [pc, #4]
// Set lr after fun_ptr
emit_al(as, asm_arm_op_add_imm(REG_LR, REG_PC, 4)); // add lr, pc, #4
emit_al(as, asm_arm_op_mov_reg(REG_PC, reg_temp)); // mov pc, reg_temp
emit_al(as, asm_arm_op_add_imm(ASM_ARM_REG_LR, ASM_ARM_REG_PC, 4)); // add lr, pc, #4
emit_al(as, asm_arm_op_mov_reg(ASM_ARM_REG_PC, reg_temp)); // mov pc, reg_temp
emit(as, (uint) fun_ptr);
}

68
py/asmarm.h
View File

@ -28,41 +28,41 @@
#define ASM_ARM_PASS_COMPUTE (1)
#define ASM_ARM_PASS_EMIT (2)
#define REG_R0 (0)
#define REG_R1 (1)
#define REG_R2 (2)
#define REG_R3 (3)
#define REG_R4 (4)
#define REG_R5 (5)
#define REG_R6 (6)
#define REG_R7 (7)
#define REG_R8 (8)
#define REG_R9 (9)
#define REG_R10 (10)
#define REG_R11 (11)
#define REG_R12 (12)
#define REG_R13 (13)
#define REG_R14 (14)
#define REG_R15 (15)
#define REG_SP (REG_R13)
#define REG_LR (REG_R14)
#define REG_PC (REG_R15)
#define ASM_ARM_REG_R0 (0)
#define ASM_ARM_REG_R1 (1)
#define ASM_ARM_REG_R2 (2)
#define ASM_ARM_REG_R3 (3)
#define ASM_ARM_REG_R4 (4)
#define ASM_ARM_REG_R5 (5)
#define ASM_ARM_REG_R6 (6)
#define ASM_ARM_REG_R7 (7)
#define ASM_ARM_REG_R8 (8)
#define ASM_ARM_REG_R9 (9)
#define ASM_ARM_REG_R10 (10)
#define ASM_ARM_REG_R11 (11)
#define ASM_ARM_REG_R12 (12)
#define ASM_ARM_REG_R13 (13)
#define ASM_ARM_REG_R14 (14)
#define ASM_ARM_REG_R15 (15)
#define ASM_ARM_REG_SP (ASM_ARM_REG_R13)
#define ASM_ARM_REG_LR (ASM_ARM_REG_R14)
#define ASM_ARM_REG_PC (ASM_ARM_REG_R15)
#define ARM_CC_EQ (0x0 << 28)
#define ARM_CC_NE (0x1 << 28)
#define ARM_CC_CS (0x2 << 28)
#define ARM_CC_CC (0x3 << 28)
#define ARM_CC_MI (0x4 << 28)
#define ARM_CC_PL (0x5 << 28)
#define ARM_CC_VS (0x6 << 28)
#define ARM_CC_VC (0x7 << 28)
#define ARM_CC_HI (0x8 << 28)
#define ARM_CC_LS (0x9 << 28)
#define ARM_CC_GE (0xa << 28)
#define ARM_CC_LT (0xb << 28)
#define ARM_CC_GT (0xc << 28)
#define ARM_CC_LE (0xd << 28)
#define ARM_CC_AL (0xe << 28)
#define ASM_ARM_CC_EQ (0x0 << 28)
#define ASM_ARM_CC_NE (0x1 << 28)
#define ASM_ARM_CC_CS (0x2 << 28)
#define ASM_ARM_CC_CC (0x3 << 28)
#define ASM_ARM_CC_MI (0x4 << 28)
#define ASM_ARM_CC_PL (0x5 << 28)
#define ASM_ARM_CC_VS (0x6 << 28)
#define ASM_ARM_CC_VC (0x7 << 28)
#define ASM_ARM_CC_HI (0x8 << 28)
#define ASM_ARM_CC_LS (0x9 << 28)
#define ASM_ARM_CC_GE (0xa << 28)
#define ASM_ARM_CC_LT (0xb << 28)
#define ASM_ARM_CC_GT (0xc << 28)
#define ASM_ARM_CC_LE (0xd << 28)
#define ASM_ARM_CC_AL (0xe << 28)
typedef struct _asm_arm_t asm_arm_t;

43
py/asmthumb.c
View File

@ -68,18 +68,7 @@ void asm_thumb_free(asm_thumb_t *as, bool free_code) {
if (free_code) {
MP_PLAT_FREE_EXEC(as->code_base, as->code_size);
}
/*
if (as->label != NULL) {
int i;
for (i = 0; i < as->label->len; ++i)
{
Label *lab = &g_array_index(as->label, Label, i);
if (lab->unresolved != NULL)
g_array_free(lab->unresolved, true);
}
g_array_free(as->label, true);
}
*/
m_del(mp_uint_t, as->label_offsets, as->max_num_labels);
m_del_obj(asm_thumb_t, as);
}
@ -284,23 +273,23 @@ void asm_thumb_op32(asm_thumb_t *as, uint op1, uint op2) {
#define OP_FORMAT_2(op, rlo_dest, rlo_src, src_b) ((op) | ((src_b) << 6) | ((rlo_src) << 3) | (rlo_dest))
void asm_thumb_format_2(asm_thumb_t *as, uint op, uint rlo_dest, uint rlo_src, int src_b) {
assert(rlo_dest < REG_R8);
assert(rlo_src < REG_R8);
assert(rlo_dest < ASM_THUMB_REG_R8);
assert(rlo_src < ASM_THUMB_REG_R8);
asm_thumb_op16(as, OP_FORMAT_2(op, rlo_dest, rlo_src, src_b));
}
#define OP_FORMAT_3(op, rlo, i8) ((op) | ((rlo) << 8) | (i8))
void asm_thumb_format_3(asm_thumb_t *as, uint op, uint rlo, int i8) {
assert(rlo < REG_R8);
assert(rlo < ASM_THUMB_REG_R8);
asm_thumb_op16(as, OP_FORMAT_3(op, rlo, i8));
}
#define OP_FORMAT_4(op, rlo_dest, rlo_src) ((op) | ((rlo_src) << 3) | (rlo_dest))
void asm_thumb_format_4(asm_thumb_t *as, uint op, uint rlo_dest, uint rlo_src) {
assert(rlo_dest < REG_R8);
assert(rlo_src < REG_R8);
assert(rlo_dest < ASM_THUMB_REG_R8);
assert(rlo_src < ASM_THUMB_REG_R8);
asm_thumb_op16(as, OP_FORMAT_4(op, rlo_dest, rlo_src));
}
@ -331,7 +320,7 @@ void asm_thumb_mov_reg_reg(asm_thumb_t *as, uint reg_dest, uint reg_src) {
// if loading lo half with movw, the i16 value will be zero extended into the r32 register!
STATIC void asm_thumb_mov_reg_i16(asm_thumb_t *as, uint mov_op, uint reg_dest, int i16_src) {
assert(reg_dest < REG_R15);
assert(reg_dest < ASM_THUMB_REG_R15);
// mov[wt] reg_dest, #i16_src
asm_thumb_op32(as, mov_op | ((i16_src >> 1) & 0x0400) | ((i16_src >> 12) & 0xf), ((i16_src << 4) & 0x7000) | (reg_dest << 8) | (i16_src & 0xff));
}
@ -409,14 +398,14 @@ void asm_thumb_mov_reg_i32_aligned(asm_thumb_t *as, uint reg_dest, int i32) {
#define OP_LDR_FROM_SP_OFFSET(rlo_dest, word_offset) (0x9800 | ((rlo_dest) << 8) | ((word_offset) & 0x00ff))
void asm_thumb_mov_local_reg(asm_thumb_t *as, int local_num, uint rlo_src) {
assert(rlo_src < REG_R8);
assert(rlo_src < ASM_THUMB_REG_R8);
int word_offset = local_num;
assert(as->pass < ASM_THUMB_PASS_EMIT || word_offset >= 0);
asm_thumb_op16(as, OP_STR_TO_SP_OFFSET(rlo_src, word_offset));
}
void asm_thumb_mov_reg_local(asm_thumb_t *as, uint rlo_dest, int local_num) {
assert(rlo_dest < REG_R8);
assert(rlo_dest < ASM_THUMB_REG_R8);
int word_offset = local_num;
assert(as->pass < ASM_THUMB_PASS_EMIT || word_offset >= 0);
asm_thumb_op16(as, OP_LDR_FROM_SP_OFFSET(rlo_dest, word_offset));
@ -425,7 +414,7 @@ void asm_thumb_mov_reg_local(asm_thumb_t *as, uint rlo_dest, int local_num) {
#define OP_ADD_REG_SP_OFFSET(rlo_dest, word_offset) (0xa800 | ((rlo_dest) << 8) | ((word_offset) & 0x00ff))
void asm_thumb_mov_reg_local_addr(asm_thumb_t *as, uint rlo_dest, int local_num) {
assert(rlo_dest < REG_R8);
assert(rlo_dest < ASM_THUMB_REG_R8);
int word_offset = local_num;
assert(as->pass < ASM_THUMB_PASS_EMIT || word_offset >= 0);
asm_thumb_op16(as, OP_ADD_REG_SP_OFFSET(rlo_dest, word_offset));
@ -439,7 +428,7 @@ void asm_thumb_b_label(asm_thumb_t *as, uint label) {
mp_uint_t dest = get_label_dest(as, label);
mp_int_t rel = dest - as->code_offset;
rel -= 4; // account for instruction prefetch, PC is 4 bytes ahead of this instruction
if (dest >= 0 && rel <= -4) {
if (dest != -1 && rel <= -4) {
// is a backwards jump, so we know the size of the jump on the first pass
// calculate rel assuming 12 bit relative jump
if (SIGNED_FIT12(rel)) {
@ -462,7 +451,7 @@ void asm_thumb_bcc_label(asm_thumb_t *as, int cond, uint label) {
mp_uint_t dest = get_label_dest(as, label);
mp_int_t rel = dest - as->code_offset;
rel -= 4; // account for instruction prefetch, PC is 4 bytes ahead of this instruction
if (dest >= 0 && rel <= -4) {
if (dest != -1 && rel <= -4) {
// is a backwards jump, so we know the size of the jump on the first pass
// calculate rel assuming 9 bit relative jump
if (SIGNED_FIT9(rel)) {
@ -482,17 +471,17 @@ void asm_thumb_bcc_label(asm_thumb_t *as, int cond, uint label) {
void asm_thumb_bl_ind(asm_thumb_t *as, void *fun_ptr, uint fun_id, uint reg_temp) {
/* TODO make this use less bytes
uint rlo_base = REG_R3;
uint rlo_dest = REG_R7;
uint rlo_base = ASM_THUMB_REG_R3;
uint rlo_dest = ASM_THUMB_REG_R7;
uint word_offset = 4;
asm_thumb_op16(as, 0x0000);
asm_thumb_op16(as, 0x6800 | (word_offset << 6) | (rlo_base << 3) | rlo_dest); // ldr rlo_dest, [rlo_base, #offset]
asm_thumb_op16(as, 0x4780 | (REG_R9 << 3)); // blx reg
asm_thumb_op16(as, 0x4780 | (ASM_THUMB_REG_R9 << 3)); // blx reg
*/
if (fun_id < 32) {
// load ptr to function from table, indexed by fun_id (must be in range 0-31); 4 bytes
asm_thumb_op16(as, OP_FORMAT_9_10(ASM_THUMB_FORMAT_9_LDR | ASM_THUMB_FORMAT_9_WORD_TRANSFER, reg_temp, REG_R7, fun_id));
asm_thumb_op16(as, OP_FORMAT_9_10(ASM_THUMB_FORMAT_9_LDR | ASM_THUMB_FORMAT_9_WORD_TRANSFER, reg_temp, ASM_THUMB_REG_R7, fun_id));
asm_thumb_op16(as, OP_BLX(reg_temp));
} else {
// load ptr to function into register using immediate; 6 bytes

62
py/asmthumb.h
View File

@ -27,38 +27,38 @@
#define ASM_THUMB_PASS_COMPUTE (1)
#define ASM_THUMB_PASS_EMIT (2)
#define REG_R0 (0)
#define REG_R1 (1)
#define REG_R2 (2)
#define REG_R3 (3)
#define REG_R4 (4)
#define REG_R5 (5)
#define REG_R6 (6)
#define REG_R7 (7)
#define REG_R8 (8)
#define REG_R9 (9)
#define REG_R10 (10)
#define REG_R11 (11)
#define REG_R12 (12)
#define REG_R13 (13)
#define REG_R14 (14)
#define REG_R15 (15)
#define REG_LR (REG_R14)
#define ASM_THUMB_REG_R0 (0)
#define ASM_THUMB_REG_R1 (1)
#define ASM_THUMB_REG_R2 (2)
#define ASM_THUMB_REG_R3 (3)
#define ASM_THUMB_REG_R4 (4)
#define ASM_THUMB_REG_R5 (5)
#define ASM_THUMB_REG_R6 (6)
#define ASM_THUMB_REG_R7 (7)
#define ASM_THUMB_REG_R8 (8)
#define ASM_THUMB_REG_R9 (9)
#define ASM_THUMB_REG_R10 (10)
#define ASM_THUMB_REG_R11 (11)
#define ASM_THUMB_REG_R12 (12)
#define ASM_THUMB_REG_R13 (13)
#define ASM_THUMB_REG_R14 (14)
#define ASM_THUMB_REG_R15 (15)
#define ASM_THUMB_REG_LR (REG_R14)
#define THUMB_CC_EQ (0x0)
#define THUMB_CC_NE (0x1)
#define THUMB_CC_CS (0x2)
#define THUMB_CC_CC (0x3)
#define THUMB_CC_MI (0x4)
#define THUMB_CC_PL (0x5)
#define THUMB_CC_VS (0x6)
#define THUMB_CC_VC (0x7)
#define THUMB_CC_HI (0x8)
#define THUMB_CC_LS (0x9)
#define THUMB_CC_GE (0xa)
#define THUMB_CC_LT (0xb)
#define THUMB_CC_GT (0xc)
#define THUMB_CC_LE (0xd)
#define ASM_THUMB_CC_EQ (0x0)
#define ASM_THUMB_CC_NE (0x1)
#define ASM_THUMB_CC_CS (0x2)
#define ASM_THUMB_CC_CC (0x3)
#define ASM_THUMB_CC_MI (0x4)
#define ASM_THUMB_CC_PL (0x5)
#define ASM_THUMB_CC_VS (0x6)
#define ASM_THUMB_CC_VC (0x7)
#define ASM_THUMB_CC_HI (0x8)
#define ASM_THUMB_CC_LS (0x9)
#define ASM_THUMB_CC_GE (0xa)
#define ASM_THUMB_CC_LT (0xb)
#define ASM_THUMB_CC_GT (0xc)
#define ASM_THUMB_CC_LE (0xd)
typedef struct _asm_thumb_t asm_thumb_t;

108
py/asmx64.c
View File

@ -114,17 +114,17 @@ struct _asm_x64_t {
byte *code_base;
byte dummy_data[8];
uint max_num_labels;
int *label_offsets;
mp_uint_t max_num_labels;
mp_uint_t *label_offsets;
int num_locals;
};
asm_x64_t *asm_x64_new(uint max_num_labels) {
asm_x64_t *asm_x64_new(mp_uint_t max_num_labels) {
asm_x64_t *as;
as = m_new0(asm_x64_t, 1);
as->max_num_labels = max_num_labels;
as->label_offsets = m_new(int, max_num_labels);
as->label_offsets = m_new(mp_uint_t, max_num_labels);
return as;
}
@ -133,18 +133,7 @@ void asm_x64_free(asm_x64_t *as, bool free_code) {
if (free_code) {
MP_PLAT_FREE_EXEC(as->code_base, as->code_size);
}
/*
if (as->label != NULL) {
int i;
for (i = 0; i < as->label->len; ++i)
{
Label* lab = &g_array_index(as->label, Label, i);
if (lab->unresolved != NULL)
g_array_free(lab->unresolved, true);
}
g_array_free(as->label, true);
}
*/
m_del(mp_uint_t, as->label_offsets, as->max_num_labels);
m_del_obj(asm_x64_t, as);
}
@ -153,7 +142,7 @@ void asm_x64_start_pass(asm_x64_t *as, uint pass) {
as->code_offset = 0;
if (pass == ASM_X64_PASS_COMPUTE) {
// reset all labels
memset(as->label_offsets, -1, as->max_num_labels * sizeof(int));
memset(as->label_offsets, -1, as->max_num_labels * sizeof(mp_uint_t));
}
}
@ -192,7 +181,7 @@ STATIC byte *asm_x64_get_cur_to_write_bytes(asm_x64_t *as, int num_bytes_to_writ
}
}
uint asm_x64_get_code_size(asm_x64_t *as) {
mp_uint_t asm_x64_get_code_size(asm_x64_t *as) {
return as->code_size;
}
@ -252,9 +241,9 @@ STATIC void asm_x64_write_word32_to(asm_x64_t *as, int offset, int w32) {
STATIC void asm_x64_write_r64_disp(asm_x64_t *as, int r64, int disp_r64, int disp_offset) {
assert(disp_r64 < 8);
assert(disp_r64 != REG_RSP);
assert(disp_r64 != ASM_X64_REG_RSP);
if (disp_offset == 0 && disp_r64 != REG_RBP) {
if (disp_offset == 0 && disp_r64 != ASM_X64_REG_RBP) {
asm_x64_write_byte_1(as, MODRM_R64(r64) | MODRM_RM_DISP0 | MODRM_RM_R64(disp_r64));
} else if (SIGNED_FIT8(disp_offset)) {
asm_x64_write_byte_2(as, MODRM_R64(r64) | MODRM_RM_DISP8 | MODRM_RM_R64(disp_r64), IMM32_L0(disp_offset));
@ -400,23 +389,6 @@ void asm_x64_add_r64_to_r64(asm_x64_t *as, int src_r64, int dest_r64) {
asm_x64_write_byte_3(as, REX_PREFIX | REX_W, OPCODE_ADD_R64_TO_RM64, MODRM_R64(src_r64) | MODRM_RM_REG | MODRM_RM_R64(dest_r64));
}
/*
void asm_x64_add_i32_to_r32(asm_x64_t *as, int src_i32, int dest_r32)
{
assert(dest_r32 != REG_RSP); // in this case i think src_i32 must be 64 bits
if (SIGNED_FIT8(src_i32))
{
asm_x64_write_byte_2(as, OPCODE_ADD_I8_TO_RM32, MODRM_R64(0) | MODRM_RM_REG | MODRM_RM_R64(dest_r32));
asm_x64_write_byte_1(as, src_i32 & 0xff);
}
else
{
asm_x64_write_byte_2(as, OPCODE_ADD_I32_TO_RM32, MODRM_R64(0) | MODRM_RM_REG | MODRM_RM_R64(dest_r32));
asm_x64_write_word32(as, src_i32);
}
}
*/
/*
void asm_x64_sub_r32_from_r32(asm_x64_t *as, int src_r32, int dest_r32) {
// defaults to 32 bit operation
@ -495,8 +467,8 @@ void asm_x64_cmp_i32_with_r32(asm_x64_t *as, int src_i32, int src_r32) {
void asm_x64_test_r8_with_r8(asm_x64_t *as, int src_r64_a, int src_r64_b) {
// TODO implement for other registers
assert(src_r64_a == REG_RAX);
assert(src_r64_b == REG_RAX);
assert(src_r64_a == ASM_X64_REG_RAX);
assert(src_r64_b == ASM_X64_REG_RAX);
asm_x64_write_byte_2(as, OPCODE_TEST_R8_WITH_RM8, MODRM_R64(src_r64_a) | MODRM_RM_REG | MODRM_RM_R64(src_r64_b));
}
@ -513,20 +485,20 @@ void asm_x64_label_assign(asm_x64_t *as, int label) {
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);
//printf("l%d: (at %ld=%ld)\n", label, as->label_offsets[label], as->code_offset);
assert(as->label_offsets[label] == as->code_offset);
}
}
STATIC int get_label_dest(asm_x64_t *as, int label) {
STATIC mp_uint_t get_label_dest(asm_x64_t *as, int label) {
assert(label < as->max_num_labels);
return as->label_offsets[label];
}
void asm_x64_jmp_label(asm_x64_t *as, int label) {
int dest = get_label_dest(as, label);
int rel = dest - as->code_offset;
if (dest >= 0 && rel < 0) {
mp_uint_t dest = get_label_dest(as, label);
mp_int_t rel = dest - as->code_offset;
if (dest != -1 && 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;
@ -546,9 +518,9 @@ void asm_x64_jmp_label(asm_x64_t *as, int label) {
}
void asm_x64_jcc_label(asm_x64_t *as, int jcc_type, int label) {
int dest = get_label_dest(as, label);
int rel = dest - as->code_offset;
if (dest >= 0 && rel < 0) {
mp_uint_t dest = get_label_dest(as, label);
mp_int_t rel = dest - as->code_offset;
if (dest != -1 && 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;
@ -568,23 +540,23 @@ void asm_x64_jcc_label(asm_x64_t *as, int jcc_type, int label) {
}
void asm_x64_entry(asm_x64_t *as, int num_locals) {
asm_x64_push_r64(as, REG_RBP);
asm_x64_mov_r64_to_r64(as, REG_RSP, REG_RBP);
asm_x64_push_r64(as, ASM_X64_REG_RBP);
asm_x64_mov_r64_to_r64(as, ASM_X64_REG_RSP, ASM_X64_REG_RBP);
if (num_locals < 0) {
num_locals = 0;
}
num_locals |= 1; // make it odd so stack is aligned on 16 byte boundary
asm_x64_sub_i32_from_r64(as, num_locals * WORD_SIZE, REG_RSP);
asm_x64_push_r64(as, REG_RBX);
asm_x64_push_r64(as, REG_R12);
asm_x64_push_r64(as, REG_R13);
asm_x64_sub_i32_from_r64(as, num_locals * WORD_SIZE, ASM_X64_REG_RSP);
asm_x64_push_r64(as, ASM_X64_REG_RBX);
asm_x64_push_r64(as, ASM_X64_REG_R12);
asm_x64_push_r64(as, ASM_X64_REG_R13);
as->num_locals = num_locals;
}
void asm_x64_exit(asm_x64_t *as) {
asm_x64_pop_r64(as, REG_R13);
asm_x64_pop_r64(as, REG_R12);
asm_x64_pop_r64(as, REG_RBX);
asm_x64_pop_r64(as, ASM_X64_REG_R13);
asm_x64_pop_r64(as, ASM_X64_REG_R12);
asm_x64_pop_r64(as, ASM_X64_REG_RBX);
asm_x64_write_byte_1(as, OPCODE_LEAVE);
asm_x64_ret(as);
}
@ -605,30 +577,30 @@ STATIC int asm_x64_local_offset_from_ebp(asm_x64_t *as, int local_num) {
}
void asm_x64_mov_local_to_r64(asm_x64_t *as, int src_local_num, int dest_r64) {
asm_x64_mov_disp_to_r64(as, REG_RBP, asm_x64_local_offset_from_ebp(as, src_local_num), dest_r64);
asm_x64_mov_disp_to_r64(as, ASM_X64_REG_RBP, asm_x64_local_offset_from_ebp(as, src_local_num), dest_r64);
}
void asm_x64_mov_r64_to_local(asm_x64_t *as, int src_r64, int dest_local_num) {
asm_x64_mov_r64_to_disp(as, src_r64, REG_RBP, asm_x64_local_offset_from_ebp(as, dest_local_num));
asm_x64_mov_r64_to_disp(as, src_r64, ASM_X64_REG_RBP, asm_x64_local_offset_from_ebp(as, dest_local_num));
}
void asm_x64_mov_local_addr_to_r64(asm_x64_t *as, int local_num, int dest_r64) {
int offset = asm_x64_local_offset_from_ebp(as, local_num);
if (offset == 0) {
asm_x64_mov_r64_to_r64(as, REG_RBP, dest_r64);
asm_x64_mov_r64_to_r64(as, ASM_X64_REG_RBP, dest_r64);
} else {
asm_x64_lea_disp_to_r64(as, REG_RBP, offset, dest_r64);
asm_x64_lea_disp_to_r64(as, ASM_X64_REG_RBP, offset, dest_r64);
}
}
/*
void asm_x64_push_local(asm_x64_t *as, int local_num) {
asm_x64_push_disp(as, REG_RBP, asm_x64_local_offset_from_ebp(as, local_num));
asm_x64_push_disp(as, ASM_X64_REG_RBP, asm_x64_local_offset_from_ebp(as, local_num));
}
void asm_x64_push_local_addr(asm_x64_t *as, int local_num, int temp_r64)
{
asm_x64_mov_r64_to_r64(as, REG_RBP, temp_r64);
asm_x64_mov_r64_to_r64(as, ASM_X64_REG_RBP, temp_r64);
asm_x64_add_i32_to_r32(as, asm_x64_local_offset_from_ebp(as, local_num), temp_r64);
asm_x64_push_r64(as, temp_r64);
}
@ -639,21 +611,21 @@ void asm_x64_push_local_addr(asm_x64_t *as, int local_num, int temp_r64)
void asm_x64_call(asm_x64_t *as, void* func)
{
asm_x64_sub_i32_from_r32(as, 8, REG_RSP);
asm_x64_sub_i32_from_r32(as, 8, ASM_X64_REG_RSP);
asm_x64_write_byte_1(as, OPCODE_CALL_REL32);
asm_x64_write_word32(as, func - (void*)(as->code_cur + 4));
asm_x64_mov_r64_to_r64(as, REG_RBP, REG_RSP);
asm_x64_mov_r64_to_r64(as, ASM_X64_REG_RBP, ASM_X64_REG_RSP);
}
void asm_x64_call_i1(asm_x64_t *as, void* func, int i1)
{
asm_x64_sub_i32_from_r32(as, 8, REG_RSP);
asm_x64_sub_i32_from_r32(as, 12, REG_RSP);
asm_x64_sub_i32_from_r32(as, 8, ASM_X64_REG_RSP);
asm_x64_sub_i32_from_r32(as, 12, ASM_X64_REG_RSP);
asm_x64_push_i32(as, i1);
asm_x64_write_byte_1(as, OPCODE_CALL_REL32);
asm_x64_write_word32(as, func - (void*)(as->code_cur + 4));
asm_x64_add_i32_to_r32(as, 16, REG_RSP);
asm_x64_mov_r64_to_r64(as, REG_RBP, REG_RSP);
asm_x64_add_i32_to_r32(as, 16, ASM_X64_REG_RSP);
asm_x64_mov_r64_to_r64(as, ASM_X64_REG_RBP, ASM_X64_REG_RSP);
}
*/

36
py/asmx64.h
View File

@ -34,22 +34,22 @@
#define ASM_X64_PASS_COMPUTE (1)
#define ASM_X64_PASS_EMIT (2)
#define REG_RAX (0)
#define REG_RCX (1)
#define REG_RDX (2)
#define REG_RBX (3)
#define REG_RSP (4)
#define REG_RBP (5)
#define REG_RSI (6)
#define REG_RDI (7)
#define REG_R08 (8)
#define REG_R09 (9)
#define REG_R10 (10)
#define REG_R11 (11)
#define REG_R12 (12)
#define REG_R13 (13)
#define REG_R14 (14)
#define REG_R15 (15)
#define ASM_X64_REG_RAX (0)
#define ASM_X64_REG_RCX (1)
#define ASM_X64_REG_RDX (2)
#define ASM_X64_REG_RBX (3)
#define ASM_X64_REG_RSP (4)
#define ASM_X64_REG_RBP (5)
#define ASM_X64_REG_RSI (6)
#define ASM_X64_REG_RDI (7)
#define ASM_X64_REG_R08 (8)
#define ASM_X64_REG_R09 (9)
#define ASM_X64_REG_R10 (10)
#define ASM_X64_REG_R11 (11)
#define ASM_X64_REG_R12 (12)
#define ASM_X64_REG_R13 (13)
#define ASM_X64_REG_R14 (14)
#define ASM_X64_REG_R15 (15)
// condition codes, used for jcc and setcc (despite their j-name!)
#define ASM_X64_CC_JB (0x2) // below, unsigned
@ -62,11 +62,11 @@
typedef struct _asm_x64_t asm_x64_t;
asm_x64_t* asm_x64_new(uint max_num_labels);
asm_x64_t* asm_x64_new(mp_uint_t max_num_labels);
void asm_x64_free(asm_x64_t* as, bool free_code);
void asm_x64_start_pass(asm_x64_t *as, uint pass);
void asm_x64_end_pass(asm_x64_t *as);
uint asm_x64_get_code_size(asm_x64_t* as);
mp_uint_t asm_x64_get_code_size(asm_x64_t* as);
void* asm_x64_get_code(asm_x64_t* as);
void asm_x64_nop(asm_x64_t* as);

69
py/asmx86.c
View File

@ -102,8 +102,8 @@ struct _asm_x86_t {
byte *code_base;
byte dummy_data[8];
uint max_num_labels;
int *label_offsets;
mp_uint_t max_num_labels;
mp_uint_t *label_offsets;
int num_locals;
};
@ -112,7 +112,7 @@ asm_x86_t *asm_x86_new(mp_uint_t max_num_labels) {
as = m_new0(asm_x86_t, 1);
as->max_num_labels = max_num_labels;
as->label_offsets = m_new(int, max_num_labels);
as->label_offsets = m_new(mp_uint_t, max_num_labels);
return as;
}
@ -121,6 +121,7 @@ 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(mp_uint_t, as->label_offsets, as->max_num_labels);
m_del_obj(asm_x86_t, as);
}
@ -129,7 +130,7 @@ void asm_x86_start_pass(asm_x86_t *as, mp_uint_t 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));
memset(as->label_offsets, -1, as->max_num_labels * sizeof(mp_uint_t));
}
}
@ -191,9 +192,9 @@ STATIC void asm_x86_write_word32(asm_x86_t *as, int 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);
assert(disp_r32 != ASM_X86_REG_ESP);
if (disp_offset == 0 && disp_r32 != REG_EBP) {
if (disp_offset == 0 && disp_r32 != ASM_X86_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));
@ -352,8 +353,8 @@ void asm_x86_cmp_i32_with_r32(asm_x86_t *as, int src_i32, int src_r32) {
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);
assert(src_r32_a == ASM_X86_REG_EAX);
assert(src_r32_b == ASM_X86_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));
}
@ -374,15 +375,15 @@ void asm_x86_label_assign(asm_x86_t *as, mp_uint_t label) {
}
}
STATIC int get_label_dest(asm_x86_t *as, int label) {
STATIC mp_uint_t 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) {
mp_uint_t dest = get_label_dest(as, label);
mp_int_t rel = dest - as->code_offset;
if (dest != -1 && 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;
@ -402,9 +403,9 @@ 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) {
int dest = get_label_dest(as, label);
int rel = dest - as->code_offset;
if (dest >= 0 && rel < 0) {
mp_uint_t dest = get_label_dest(as, label);
mp_int_t rel = dest - as->code_offset;
if (dest != -1 && 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;
@ -424,39 +425,39 @@ 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) {
asm_x86_push_r32(as, REG_EBP);
asm_x86_mov_r32_to_r32(as, REG_ESP, REG_EBP);
asm_x86_push_r32(as, ASM_X86_REG_EBP);
asm_x86_mov_r32_to_r32(as, ASM_X86_REG_ESP, ASM_X86_REG_EBP);
if (num_locals > 0) {
asm_x86_sub_i32_from_r32(as, num_locals * WORD_SIZE, REG_ESP);
asm_x86_sub_i32_from_r32(as, num_locals * WORD_SIZE, ASM_X86_REG_ESP);
}
asm_x86_push_r32(as, REG_EBX);
asm_x86_push_r32(as, REG_ESI);
asm_x86_push_r32(as, REG_EDI);
asm_x86_push_r32(as, ASM_X86_REG_EBX);
asm_x86_push_r32(as, ASM_X86_REG_ESI);
asm_x86_push_r32(as, ASM_X86_REG_EDI);
// TODO align stack on 16-byte boundary
as->num_locals = num_locals;
}
void asm_x86_exit(asm_x86_t *as) {
asm_x86_pop_r32(as, REG_EDI);
asm_x86_pop_r32(as, REG_ESI);
asm_x86_pop_r32(as, REG_EBX);
asm_x86_pop_r32(as, ASM_X86_REG_EDI);
asm_x86_pop_r32(as, ASM_X86_REG_ESI);
asm_x86_pop_r32(as, ASM_X86_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) {
asm_x86_push_disp(as, REG_EBP, 2 * WORD_SIZE + src_arg_num * WORD_SIZE);
asm_x86_push_disp(as, ASM_X86_REG_EBP, 2 * WORD_SIZE + src_arg_num * WORD_SIZE);
}
#endif
void asm_x86_mov_arg_to_r32(asm_x86_t *as, int src_arg_num, int dest_r32) {
asm_x86_mov_disp_to_r32(as, REG_EBP, 2 * WORD_SIZE + src_arg_num * WORD_SIZE, dest_r32);
asm_x86_mov_disp_to_r32(as, ASM_X86_REG_EBP, 2 * WORD_SIZE + src_arg_num * WORD_SIZE, dest_r32);
}
#if 0
void asm_x86_mov_r32_to_arg(asm_x86_t *as, int src_r32, int dest_arg_num) {
asm_x86_mov_r32_to_disp(as, src_r32, REG_EBP, 2 * WORD_SIZE + dest_arg_num * WORD_SIZE);
asm_x86_mov_r32_to_disp(as, src_r32, ASM_X86_REG_EBP, 2 * WORD_SIZE + dest_arg_num * WORD_SIZE);
}
#endif
@ -476,30 +477,30 @@ STATIC int asm_x86_local_offset_from_ebp(asm_x86_t *as, int local_num) {
}
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);
asm_x86_mov_disp_to_r32(as, ASM_X86_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));
asm_x86_mov_r32_to_disp(as, src_r32, ASM_X86_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);
asm_x86_mov_r32_to_r32(as, ASM_X86_REG_EBP, dest_r32);
} else {
asm_x86_lea_disp_to_r32(as, REG_EBP, offset, dest_r32);
asm_x86_lea_disp_to_r32(as, ASM_X86_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));
asm_x86_push_disp(as, ASM_X86_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_mov_r32_to_r32(as, ASM_X86_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);
}
@ -534,7 +535,7 @@ void asm_x86_call_ind(asm_x86_t *as, void *ptr, mp_uint_t n_args, int temp_r32)
// the caller must clean up the stack
if (n_args > 0) {
asm_x86_add_i32_to_r32(as, WORD_SIZE * n_args, REG_ESP);
asm_x86_add_i32_to_r32(as, WORD_SIZE * n_args, ASM_X86_REG_ESP);
}
}

22
py/asmx86.h
View File

@ -35,22 +35,22 @@
#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)
#define ASM_X86_REG_EAX (0)
#define ASM_X86_REG_ECX (1)
#define ASM_X86_REG_EDX (2)
#define ASM_X86_REG_EBX (3)
#define ASM_X86_REG_ESP (4)
#define ASM_X86_REG_EBP (5)
#define ASM_X86_REG_ESI (6)
#define ASM_X86_REG_EDI (7)
// x86 passes values on the stack, but the emitter is register based, so we need
// to define registers that can temporarily hold the function arguments. They
// need to be defined here so that asm_x86_call_ind can push them onto the stack
// before the call.
#define ASM_X86_REG_ARG_1 REG_EAX
#define ASM_X86_REG_ARG_2 REG_ECX
#define ASM_X86_REG_ARG_3 REG_EDX
#define ASM_X86_REG_ARG_1 ASM_X86_REG_EAX
#define ASM_X86_REG_ARG_2 ASM_X86_REG_ECX
#define ASM_X86_REG_ARG_3 ASM_X86_REG_EDX
// condition codes, used for jcc and setcc (despite their j-name!)
#define ASM_X86_CC_JB (0x2) // below, unsigned

28
py/emitinlinethumb.c
View File

@ -238,20 +238,20 @@ STATIC int get_arg_label(emit_inline_asm_t *emit, const char *op, mp_parse_node_
typedef struct _cc_name_t { byte cc; byte name[2]; } cc_name_t;
STATIC const cc_name_t cc_name_table[] = {
{THUMB_CC_EQ, "eq"},
{THUMB_CC_NE, "ne"},
{THUMB_CC_CS, "cs"},
{THUMB_CC_CC, "cc"},
{THUMB_CC_MI, "mi"},
{THUMB_CC_PL, "pl"},
{THUMB_CC_VS, "vs"},
{THUMB_CC_VC, "vc"},
{THUMB_CC_HI, "hi"},
{THUMB_CC_LS, "ls"},
{THUMB_CC_GE, "ge"},
{THUMB_CC_LT, "lt"},
{THUMB_CC_GT, "gt"},
{THUMB_CC_LE, "le"},
{ ASM_THUMB_CC_EQ, "eq" },
{ ASM_THUMB_CC_NE, "ne" },
{ ASM_THUMB_CC_CS, "cs" },
{ ASM_THUMB_CC_CC, "cc" },
{ ASM_THUMB_CC_MI, "mi" },
{ ASM_THUMB_CC_PL, "pl" },
{ ASM_THUMB_CC_VS, "vs" },
{ ASM_THUMB_CC_VC, "vc" },
{ ASM_THUMB_CC_HI, "hi" },
{ ASM_THUMB_CC_LS, "ls" },
{ ASM_THUMB_CC_GE, "ge" },
{ ASM_THUMB_CC_LT, "lt" },
{ ASM_THUMB_CC_GT, "gt" },
{ ASM_THUMB_CC_LE, "le" },
};
STATIC void emit_inline_thumb_op(emit_inline_asm_t *emit, qstr op, mp_uint_t n_args, mp_parse_node_t *pn_args) {

144
py/emitnative.c
View File

@ -82,21 +82,21 @@
#define EXPORT_FUN(name) emit_native_x64_##name
#define REG_RET REG_RAX
#define REG_ARG_1 REG_RDI
#define REG_ARG_2 REG_RSI
#define REG_ARG_3 REG_RDX
#define REG_ARG_4 REG_RCX
#define REG_RET ASM_X64_REG_RAX
#define REG_ARG_1 ASM_X64_REG_RDI
#define REG_ARG_2 ASM_X64_REG_RSI
#define REG_ARG_3 ASM_X64_REG_RDX
#define REG_ARG_4 ASM_X64_REG_RCX
// caller-save
#define REG_TEMP0 REG_RAX
#define REG_TEMP1 REG_RDI
#define REG_TEMP2 REG_RSI
#define REG_TEMP0 ASM_X64_REG_RAX
#define REG_TEMP1 ASM_X64_REG_RDI
#define REG_TEMP2 ASM_X64_REG_RSI
// callee-save
#define REG_LOCAL_1 REG_RBX
#define REG_LOCAL_2 REG_R12
#define REG_LOCAL_3 REG_R13
#define REG_LOCAL_1 ASM_X64_REG_RBX
#define REG_LOCAL_2 ASM_X64_REG_R12
#define REG_LOCAL_3 ASM_X64_REG_R13
#define REG_LOCAL_NUM (3)
#define ASM_PASS_COMPUTE ASM_X64_PASS_COMPUTE
@ -129,7 +129,7 @@
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_CALL_IND(as, ptr, idx) asm_x64_call_ind(as, ptr, ASM_X64_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
@ -199,20 +199,20 @@ STATIC byte mp_f_n_args[MP_F_NUMBER_OF] = {
#define EXPORT_FUN(name) emit_native_x86_##name
#define REG_RET REG_EAX
#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
// caller-save, so can be used as temporaries
#define REG_TEMP0 REG_EAX
#define REG_TEMP1 REG_ECX
#define REG_TEMP2 REG_EDX
#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 REG_EBX
#define REG_LOCAL_2 REG_ESI
#define REG_LOCAL_3 REG_EDI
#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_PASS_COMPUTE ASM_X86_PASS_COMPUTE
@ -245,7 +245,7 @@ STATIC byte mp_f_n_args[MP_F_NUMBER_OF] = {
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_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
@ -267,19 +267,19 @@ STATIC byte mp_f_n_args[MP_F_NUMBER_OF] = {
#define EXPORT_FUN(name) emit_native_thumb_##name
#define REG_RET REG_R0
#define REG_ARG_1 REG_R0
#define REG_ARG_2 REG_R1
#define REG_ARG_3 REG_R2
#define REG_ARG_4 REG_R3
#define REG_RET ASM_THUMB_REG_R0
#define REG_ARG_1 ASM_THUMB_REG_R0
#define REG_ARG_2 ASM_THUMB_REG_R1
#define REG_ARG_3 ASM_THUMB_REG_R2
#define REG_ARG_4 ASM_THUMB_REG_R3
#define REG_TEMP0 (REG_R0)
#define REG_TEMP1 (REG_R1)
#define REG_TEMP2 (REG_R2)
#define REG_TEMP0 ASM_THUMB_REG_R0
#define REG_TEMP1 ASM_THUMB_REG_R1
#define REG_TEMP2 ASM_THUMB_REG_R2
#define REG_LOCAL_1 (REG_R4)
#define REG_LOCAL_2 (REG_R5)
#define REG_LOCAL_3 (REG_R6)
#define REG_LOCAL_1 ASM_THUMB_REG_R4
#define REG_LOCAL_2 ASM_THUMB_REG_R5
#define REG_LOCAL_3 ASM_THUMB_REG_R6
#define REG_LOCAL_NUM (3)
#define ASM_PASS_COMPUTE ASM_THUMB_PASS_COMPUTE
@ -300,19 +300,19 @@ STATIC byte mp_f_n_args[MP_F_NUMBER_OF] = {
#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); \
asm_thumb_bcc_label(as, ASM_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); \
asm_thumb_bcc_label(as, ASM_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); \
asm_thumb_bcc_label(as, ASM_THUMB_CC_EQ, label); \
} while (0)
#define ASM_CALL_IND(as, ptr, idx) asm_thumb_bl_ind(as, ptr, idx, REG_R3)
#define ASM_CALL_IND(as, ptr, idx) asm_thumb_bl_ind(as, ptr, idx, ASM_THUMB_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))
@ -334,19 +334,19 @@ STATIC byte mp_f_n_args[MP_F_NUMBER_OF] = {
#define EXPORT_FUN(name) emit_native_arm_##name
#define REG_RET REG_R0
#define REG_ARG_1 REG_R0
#define REG_ARG_2 REG_R1
#define REG_ARG_3 REG_R2
#define REG_ARG_4 REG_R3
#define REG_RET ASM_ARM_REG_R0
#define REG_ARG_1 ASM_ARM_REG_R0
#define REG_ARG_2 ASM_ARM_REG_R1
#define REG_ARG_3 ASM_ARM_REG_R2
#define REG_ARG_4 ASM_ARM_REG_R3
#define REG_TEMP0 (REG_R0)
#define REG_TEMP1 (REG_R1)
#define REG_TEMP2 (REG_R2)
#define REG_TEMP0 ASM_ARM_REG_R0
#define REG_TEMP1 ASM_ARM_REG_R1
#define REG_TEMP2 ASM_ARM_REG_R2
#define REG_LOCAL_1 (REG_R4)
#define REG_LOCAL_2 (REG_R5)
#define REG_LOCAL_3 (REG_R6)
#define REG_LOCAL_1 ASM_ARM_REG_R4
#define REG_LOCAL_2 ASM_ARM_REG_R5
#define REG_LOCAL_3 ASM_ARM_REG_R6
#define REG_LOCAL_NUM (3)
#define ASM_PASS_COMPUTE ASM_ARM_PASS_COMPUTE
@ -367,19 +367,19 @@ STATIC byte mp_f_n_args[MP_F_NUMBER_OF] = {
#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); \
asm_arm_bcc_label(as, ASM_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); \
asm_arm_bcc_label(as, ASM_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); \
asm_arm_bcc_label(as, ASM_ARM_CC_EQ, label); \
} while (0)
#define ASM_CALL_IND(as, ptr, idx) asm_arm_bl_ind(as, ptr, idx, REG_R3)
#define ASM_CALL_IND(as, ptr, idx) asm_arm_bl_ind(as, ptr, idx, ASM_ARM_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))
@ -585,7 +585,7 @@ STATIC void emit_native_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scop
}
}
asm_thumb_mov_reg_i32(emit->as, REG_R7, (mp_uint_t)mp_fun_table);
asm_thumb_mov_reg_i32(emit->as, ASM_THUMB_REG_R7, (mp_uint_t)mp_fun_table);
#elif N_ARM
for (int i = 0; i < scope->num_pos_args; i++) {
if (i == 0) {
@ -602,7 +602,7 @@ 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);
asm_arm_mov_reg_i32(emit->as, ASM_ARM_REG_R7, (mp_uint_t)mp_fun_table);
#else
#error not implemented
#endif
@ -1072,9 +1072,9 @@ STATIC void emit_native_load_fast(emit_t *emit, qstr qst, mp_uint_t id_flags, mp
} else if (local_num == 2) {
emit_post_push_reg(emit, vtype, REG_LOCAL_3);
} else {
need_reg_single(emit, REG_RAX, 0);
asm_x64_mov_local_to_r64(emit->as, local_num - REG_LOCAL_NUM, REG_RAX);
emit_post_push_reg(emit, vtype, REG_RAX);
need_reg_single(emit, REG_TEMP0, 0);
asm_x64_mov_local_to_r64(emit->as, local_num - REG_LOCAL_NUM, REG_TEMP0);
emit_post_push_reg(emit, vtype, REG_TEMP0);
}
#elif N_X86
if (local_num == 0) {
@ -1084,9 +1084,9 @@ STATIC void emit_native_load_fast(emit_t *emit, qstr qst, mp_uint_t id_flags, mp
} else if (local_num == 2) {
emit_post_push_reg(emit, vtype, REG_LOCAL_3);
} 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);
need_reg_single(emit, REG_TEMP0, 0);
asm_x86_mov_local_to_r32(emit->as, local_num - REG_LOCAL_NUM, REG_TEMP0);
emit_post_push_reg(emit, vtype, REG_TEMP0);
}
#elif N_THUMB
if (local_num == 0) {
@ -1096,9 +1096,9 @@ STATIC void emit_native_load_fast(emit_t *emit, qstr qst, mp_uint_t id_flags, mp
} else if (local_num == 2) {
emit_post_push_reg(emit, vtype, REG_LOCAL_3);
} else {
need_reg_single(emit, REG_R0, 0);
asm_thumb_mov_reg_local(emit->as, REG_R0, local_num - REG_LOCAL_NUM);
emit_post_push_reg(emit, vtype, REG_R0);
need_reg_single(emit, REG_TEMP0, 0);
asm_thumb_mov_reg_local(emit->as, REG_TEMP0, local_num - REG_LOCAL_NUM);
emit_post_push_reg(emit, vtype, REG_TEMP0);
}
#elif N_ARM
if (local_num == 0) {
@ -1108,9 +1108,9 @@ STATIC void emit_native_load_fast(emit_t *emit, qstr qst, mp_uint_t id_flags, mp
} else if (local_num == 2) {
emit_post_push_reg(emit, vtype, REG_LOCAL_3);
} else {
need_reg_single(emit, REG_R0, 0);
asm_arm_mov_reg_local(emit->as, REG_R0, local_num - REG_LOCAL_NUM);
emit_post_push_reg(emit, vtype, REG_R0);
need_reg_single(emit, REG_TEMP0, 0);
asm_arm_mov_reg_local(emit->as, REG_TEMP0, local_num - REG_LOCAL_NUM);
emit_post_push_reg(emit, vtype, REG_TEMP0);
}
#else
#error not implemented
@ -1183,8 +1183,8 @@ STATIC void emit_native_store_fast(emit_t *emit, qstr qst, mp_uint_t local_num)
} else if (local_num == 2) {
emit_pre_pop_reg(emit, &vtype, REG_LOCAL_3);
} else {
emit_pre_pop_reg(emit, &vtype, REG_RAX);
asm_x64_mov_r64_to_local(emit->as, REG_RAX, local_num - REG_LOCAL_NUM);
emit_pre_pop_reg(emit, &vtype, REG_TEMP0);
asm_x64_mov_r64_to_local(emit->as, REG_TEMP0, local_num - REG_LOCAL_NUM);
}
#elif N_X86
if (local_num == 0) {
@ -1194,8 +1194,8 @@ STATIC void emit_native_store_fast(emit_t *emit, qstr qst, mp_uint_t local_num)
} else if (local_num == 2) {
emit_pre_pop_reg(emit, &vtype, REG_LOCAL_3);
} else {
emit_pre_pop_reg(emit, &vtype, REG_EAX);
asm_x86_mov_r32_to_local(emit->as, REG_EAX, local_num - REG_LOCAL_NUM);
emit_pre_pop_reg(emit, &vtype, REG_TEMP0);
asm_x86_mov_r32_to_local(emit->as, REG_TEMP0, local_num - REG_LOCAL_NUM);
}
#elif N_THUMB
if (local_num == 0) {
@ -1205,8 +1205,8 @@ STATIC void emit_native_store_fast(emit_t *emit, qstr qst, mp_uint_t local_num)
} else if (local_num == 2) {
emit_pre_pop_reg(emit, &vtype, REG_LOCAL_3);
} else {
emit_pre_pop_reg(emit, &vtype, REG_R0);
asm_thumb_mov_local_reg(emit->as, local_num - REG_LOCAL_NUM, REG_R0);
emit_pre_pop_reg(emit, &vtype, REG_TEMP0);
asm_thumb_mov_local_reg(emit->as, local_num - REG_LOCAL_NUM, REG_TEMP0);
}
#elif N_ARM
if (local_num == 0) {
@ -1216,8 +1216,8 @@ STATIC void emit_native_store_fast(emit_t *emit, qstr qst, mp_uint_t local_num)
} else if (local_num == 2) {
emit_pre_pop_reg(emit, &vtype, REG_LOCAL_3);
} else {
emit_pre_pop_reg(emit, &vtype, REG_R0);
asm_arm_mov_local_reg(emit->as, local_num - REG_LOCAL_NUM, REG_R0);
emit_pre_pop_reg(emit, &vtype, REG_TEMP0);
asm_arm_mov_local_reg(emit->as, local_num - REG_LOCAL_NUM, REG_TEMP0);
}
#else
#error not implemented