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py: Factor out common code from assemblers into asmbase.[ch].

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All assemblers should "derive" from mp_asm_base_t.
This commit is contained in:
Damien George
2016-11-28 09:24:50 +11:00
parent 21e1703d37
commit 612599587b
13 changed files with 262 additions and 565 deletions
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24
py/asmx86.h
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@@ -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 +73,15 @@
#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;
typedef struct _asm_x86_t {
mp_asm_base_t base;
byte dummy_data[4]; // in addition to dummy_data in base
int num_locals;
} 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);
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 +103,6 @@ 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);