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| author | Damien George <damien.p.george@gmail.com> | 2018-08-16 13:45:24 +1000 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2018-08-16 13:45:24 +1000 |
| commit | 2964b41c282917bfb3f6e3a1d6e3fd7a078abed6 (patch) | |
| tree | 82e8039004d9a19790878c9cff77413d87cf2f81 /py/asmx64.h | |
| parent | f7d6108d1ad83f26598e73d3b163f3de411c902b (diff) | |
py/asm*: Support assembling code to jump to a register, and get PC+off.
Useful for position independent code, and implementing state machines.
Diffstat (limited to 'py/asmx64.h')
| -rw-r--r-- | py/asmx64.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/py/asmx64.h b/py/asmx64.h index 4d7281d18..b05ed9bde 100644 --- a/py/asmx64.h +++ b/py/asmx64.h @@ -106,6 +106,7 @@ void asm_x64_cmp_r64_with_r64(asm_x64_t* as, int src_r64_a, int src_r64_b); void asm_x64_test_r8_with_r8(asm_x64_t* as, int src_r64_a, int src_r64_b); void asm_x64_test_r64_with_r64(asm_x64_t *as, int src_r64_a, int src_r64_b); void asm_x64_setcc_r8(asm_x64_t* as, int jcc_type, int dest_r8); +void asm_x64_jmp_reg(asm_x64_t *as, int src_r64); void asm_x64_jmp_label(asm_x64_t* as, mp_uint_t label); void asm_x64_jcc_label(asm_x64_t* as, int jcc_type, mp_uint_t label); void asm_x64_entry(asm_x64_t* as, int num_locals); @@ -113,6 +114,7 @@ void asm_x64_exit(asm_x64_t* as); void asm_x64_mov_local_to_r64(asm_x64_t* as, int src_local_num, int dest_r64); void asm_x64_mov_r64_to_local(asm_x64_t* as, int src_r64, int dest_local_num); void asm_x64_mov_local_addr_to_r64(asm_x64_t* as, int local_num, int dest_r64); +void asm_x64_mov_reg_pcrel(asm_x64_t *as, int dest_r64, mp_uint_t label); void asm_x64_call_ind(asm_x64_t* as, void* ptr, int temp_r32); #if GENERIC_ASM_API @@ -169,6 +171,7 @@ void asm_x64_call_ind(asm_x64_t* as, void* ptr, int temp_r32); asm_x64_cmp_r64_with_r64(as, reg1, reg2); \ asm_x64_jcc_label(as, ASM_X64_CC_JE, label); \ } while (0) +#define ASM_JUMP_REG(as, reg) asm_x64_jmp_reg((as), (reg)) #define ASM_CALL_IND(as, ptr, idx) asm_x64_call_ind(as, ptr, ASM_X64_REG_RAX) #define ASM_MOV_LOCAL_REG(as, local_num, reg_src) asm_x64_mov_r64_to_local((as), (reg_src), (local_num)) @@ -177,6 +180,7 @@ void asm_x64_call_ind(asm_x64_t* as, void* ptr, int temp_r32); #define ASM_MOV_REG_LOCAL(as, reg_dest, local_num) asm_x64_mov_local_to_r64((as), (local_num), (reg_dest)) #define ASM_MOV_REG_REG(as, reg_dest, reg_src) asm_x64_mov_r64_r64((as), (reg_dest), (reg_src)) #define ASM_MOV_REG_LOCAL_ADDR(as, reg_dest, local_num) asm_x64_mov_local_addr_to_r64((as), (local_num), (reg_dest)) +#define ASM_MOV_REG_PCREL(as, reg_dest, label) asm_x64_mov_reg_pcrel((as), (reg_dest), (label)) #define ASM_LSL_REG(as, reg) asm_x64_shl_r64_cl((as), (reg)) #define ASM_ASR_REG(as, reg) asm_x64_sar_r64_cl((as), (reg)) |