Magic-Mirror/radare2
1
0
Fork 0
mirror of https://github.com/radareorg/radare2.git synced 2024-12-04 03:11:28 +00:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

tms320: trying to implement insn qualifiers for c55x

Browse Source
This commit is contained in:
Ilya V. Matveychikov 2014-07-07 00:08:02 +04:00
parent e070707308
commit 9d0bb6b0b0
2 changed files with 37 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
libr/asm/arch/tms320/tms320_dasm.c
View File

@ -937,13 +937,31 @@ void decode_qualifiers(tms320_dasm_t * dasm)
case 0x9c:
// 1001 1100 - <insn>.LR
set_field_value(dasm, q_lr, 1);
break;
case 0x9d:
// 1001 1101 - <insn>.CR
set_field_value(dasm, q_cr, 1);
break;
}
}
static insn_item_t * finalize(tms320_dasm_t * dasm)
{
// remove odd spaces
substitute(dasm->syntax, " ", "%s", " ");
// add some qualifiers
if (field_value(dasm, q_lr))
replace(dasm->syntax, " ", ".LR ");
if (field_value(dasm, q_cr))
replace(dasm->syntax, " ", ".CR ");
return dasm->insn;
}
insn_item_t * decode_insn(tms320_dasm_t * dasm)
{
dasm->length = dasm->head->size;
@ -965,11 +983,8 @@ insn_item_t * decode_insn(tms320_dasm_t * dasm)
decode_registers(dasm);
decode_addressing_modes(dasm);
// cleanup rudiments
return finalize(dasm);
substitute(dasm->syntax, " ", "%s", " "); // spaces
return dasm->insn;
}
insn_item_t * decode_insn_head(tms320_dasm_t * dasm)
@ -1042,6 +1057,18 @@ static void init_dasm(tms320_dasm_t * dasm, const ut8 * stream, int len)
dasm->insn = NULL;
}
static int full_insn_size(tms320_dasm_t * dasm)
{
int qualifier_size = 0;
if (field_value(dasm, q_cr))
qualifier_size = 1;
if (field_value(dasm, q_lr))
qualifier_size = 1;
return dasm->length + qualifier_size;
}
/*
* TMS320 disassembly engine public interface
*/
@ -1065,7 +1092,7 @@ int tms320_dasm(tms320_dasm_t * dasm, const ut8 * stream, int len)
if (dasm->status & TMS320_S_INVAL)
strcpy(dasm->syntax, "invalid"), dasm->length = 1;
return dasm->length;
return full_insn_size(dasm);
}
static insn_head_t c55x_list[] = {

5
libr/asm/arch/tms320/tms320_dasm.h
View File

@ -195,6 +195,11 @@ typedef struct {
def_field (Ymem_mmm, 3);
def_field (Ymem_reg, 3);
// qualifiers
def_field (q_lr, 1)
def_field (q_cr, 1)
} f;
RHashTable * map;