85 lines
3.2 KiB
C
85 lines
3.2 KiB
C
#define ASM_THUMB_PASS_1 (1)
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#define ASM_THUMB_PASS_2 (2)
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#define ASM_THUMB_PASS_3 (3)
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#define REG_R0 (0)
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#define REG_R1 (1)
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#define REG_R2 (2)
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#define REG_R3 (3)
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#define REG_R4 (4)
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#define REG_R5 (5)
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#define REG_R6 (6)
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#define REG_R7 (7)
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#define REG_R8 (8)
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#define REG_R9 (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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#define REG_LR (REG_R14)
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#define REG_RET REG_R0
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#define REG_ARG_1 REG_R0
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#define REG_ARG_2 REG_R1
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#define REG_ARG_3 REG_R2
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#define REG_ARG_4 REG_R3
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#define THUMB_CC_EQ (0x0)
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#define THUMB_CC_NE (0x1)
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#define THUMB_CC_CS (0x2)
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#define THUMB_CC_CC (0x3)
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#define THUMB_CC_MI (0x4)
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#define THUMB_CC_PL (0x5)
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#define THUMB_CC_VS (0x6)
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#define THUMB_CC_VC (0x7)
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#define THUMB_CC_HI (0x8)
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#define THUMB_CC_LS (0x9)
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#define THUMB_CC_GE (0xa)
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#define THUMB_CC_LT (0xb)
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#define THUMB_CC_GT (0xc)
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#define THUMB_CC_LE (0xd)
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typedef struct _asm_thumb_t asm_thumb_t;
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asm_thumb_t *asm_thumb_new(uint max_num_labels);
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void asm_thumb_free(asm_thumb_t *as, bool free_code);
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void asm_thumb_start_pass(asm_thumb_t *as, int pass);
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void asm_thumb_end_pass(asm_thumb_t *as);
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uint asm_thumb_get_code_size(asm_thumb_t *as);
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void *asm_thumb_get_code(asm_thumb_t *as);
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void asm_thumb_entry(asm_thumb_t *as, int num_locals);
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void asm_thumb_exit(asm_thumb_t *as);
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void asm_thumb_label_assign(asm_thumb_t *as, uint label);
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// argument order follows ARM, in general dest is first
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// note there is a difference between movw and mov.w, and many others!
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void asm_thumb_movs_rlo_i8(asm_thumb_t *as, uint rlo_dest, int i8_src);
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void asm_thumb_movw_reg_i16(asm_thumb_t *as, uint reg_dest, int i16_src);
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void asm_thumb_movt_reg_i16(asm_thumb_t *as, uint reg_dest, int i16_src);
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void asm_thumb_mov_reg_reg(asm_thumb_t *as, uint reg_dest, uint reg_src);
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void asm_thumb_add_rlo_rlo_rlo(asm_thumb_t *as, uint rlo_dest, uint rlo_src_a, uint rlo_src_b);
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void asm_thumb_subs_rlo_rlo_i3(asm_thumb_t *as, uint rlo_dest, uint rlo_src, int i3_src);
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void asm_thumb_cmp_reg_reg(asm_thumb_t *as, uint rlo_a, uint rlo_b);
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void asm_thumb_cmp_rlo_i8(asm_thumb_t *as, uint rlo, int i8);
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void asm_thumb_ldr_rlo_rlo_i5(asm_thumb_t *as, uint rlo_dest, uint rlo_base, uint word_offset);
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void asm_thumb_str_rlo_rlo_i5(asm_thumb_t *as, uint rlo_src, uint rlo_base, uint word_offset);
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void asm_thumb_ite_ge(asm_thumb_t *as);
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void asm_thumb_b_n(asm_thumb_t *as, uint label);
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void asm_thumb_bcc_n(asm_thumb_t *as, int cond, uint label);
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void asm_thumb_mov_reg_i32(asm_thumb_t *as, uint reg_dest, machine_uint_t i32_src); // convenience
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void asm_thumb_mov_reg_i32_optimised(asm_thumb_t *as, uint reg_dest, int i32_src); // convenience
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void asm_thumb_mov_local_reg(asm_thumb_t *as, int local_num_dest, uint rlo_src); // convenience
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void asm_thumb_mov_reg_local(asm_thumb_t *as, uint rlo_dest, int local_num); // convenience
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void asm_thumb_mov_reg_local_addr(asm_thumb_t *as, uint rlo_dest, int local_num); // convenience
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void asm_thumb_b_label(asm_thumb_t *as, uint label); // convenience ?
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void asm_thumb_bcc_label(asm_thumb_t *as, int cc, uint label); // convenience: picks narrow or wide branch
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void asm_thumb_bl_ind(asm_thumb_t *as, void *fun_ptr, uint fun_id, uint reg_temp); // convenience ?
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