Add TMS320 disassembly engine
This patch adds TMS320 DSP family processors disassembly engine. It's purpose to add support for the all the families processors but as for now the only one of them is supported (C55X).
This commit is contained in:
Ilya V. Matveychikov
pancake
parent
c24543f112
commit
1db5c446a9
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@ -7,6 +7,9 @@ ASM_OBJS += arch/x86/ollyasm/asmserv.c arch/x86/ollyasm/assembl.c arch/x86/ollya
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ASM_OBJS += arch/c55plus/c55plus.c arch/c55plus/decode.c arch/c55plus/decode_funcs.c ;
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ASM_OBJS += arch/c55plus/hashtable.c arch/c55plus/hashvector.c arch/c55plus/ins.c arch/c55plus/utils.c ;
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# TMS320
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ASM_OBJS += arch/tms320/tms320_dasm.c ;
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# ARC
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ASM_OBJS += arch/arc/gnu/arc-dis.c ;
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ASM_OBJS += arch/arc/gnu/arc-ext.c ;
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@ -0,0 +1,223 @@
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#ifndef __TMS320_DASM_H__
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#define __TMS320_DASM_H__
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#define IDA_COMPATIBLE_MODE 1
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/* forward declarations */
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struct tms320_instruction;
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typedef struct tms320_instruction insn_item_t;
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struct tms320_instruction_mask;
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typedef struct tms320_instruction_mask insn_mask_t;
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struct tms320_instruction_flag;
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typedef struct tms320_instruction_flag insn_flag_t;
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struct tms320_instruction_head;
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typedef struct tms320_instruction_head insn_head_t;
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typedef enum {
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TMS320_FLAG_E = 0x10,
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TMS320_FLAG_R,
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TMS320_FLAG_U,
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TMS320_FLAG_u,
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TMS320_FLAG_g,
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TMS320_FLAG_r,
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TMS320_FLAG_t,
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TMS320_FLAG_uu,
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TMS320_FLAG_mm,
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TMS320_FLAG_cc,
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TMS320_FLAG_tt,
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TMS320_FLAG_vv,
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TMS320_FLAG_ss,
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TMS320_FLAG_dd,
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TMS320_FLAG_SS,
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TMS320_FLAG_DD,
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TMS320_FLAG_k3,
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TMS320_FLAG_k4,
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TMS320_FLAG_k5,
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TMS320_FLAG_k6,
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TMS320_FLAG_k8,
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TMS320_FLAG_k12,
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TMS320_FLAG_k16,
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TMS320_FLAG_K8,
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TMS320_FLAG_K16,
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TMS320_FLAG_l1,
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TMS320_FLAG_l3,
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TMS320_FLAG_l7,
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TMS320_FLAG_l16,
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TMS320_FLAG_L7,
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TMS320_FLAG_L8,
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TMS320_FLAG_L16,
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TMS320_FLAG_P8,
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TMS320_FLAG_P24,
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TMS320_FLAG_D16,
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TMS320_FLAG_SHFT,
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TMS320_FLAG_SHIFTW,
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TMS320_FLAG_CCCCCCC,
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TMS320_FLAG_AAAAAAAI,
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TMS320_FLAG_FSSS,
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TMS320_FLAG_FDDD,
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TMS320_FLAG_XSSS,
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TMS320_FLAG_XDDD,
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TMS320_FLAG_XACS,
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TMS320_FLAG_XACD,
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TMS320_FLAG_XXX,
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TMS320_FLAG_MMM,
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TMS320_FLAG_Y,
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TMS320_FLAG_YY,
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} insn_flag_e;
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struct tms320_instruction {
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#define i_list_last(x) !(((x)->i_list || (x)->m_list || (x)->f_list || (x)->syntax))
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insn_item_t * i_list;
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insn_mask_t * m_list;
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insn_flag_t * f_list;
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char * syntax;
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};
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struct tms320_instruction_mask {
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#define m_list_last(x) !(((x)->f || (x)->n || (x)->v))
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ut8 f, n, v; /* from, number, value */
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};
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struct tms320_instruction_flag {
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#define f_list_last(x) !(((x)->f || (x)->v))
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ut8 f, v; /* from, value */
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};
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struct tms320_instruction_head {
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ut8 byte;
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ut8 size;
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insn_item_t insn;
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};
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/*
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* TMS320 dasm instance
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*/
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typedef struct {
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insn_head_t * head;
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insn_item_t * insn;
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union {
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ut8 opcode;
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ut8 stream[8];
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ut64 opcode64;
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};
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ut8 length;
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char syntax[1024];
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#define def_field(name, size) \
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unsigned int bf_##name##_valid:1; \
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unsigned int bf_##name##_value:size;
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struct {
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def_field (E, 1);
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def_field (R, 1);
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def_field (U, 1);
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def_field (u, 1);
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def_field (g, 1);
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def_field (r, 1);
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def_field (t, 1);
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def_field (k3, 3);
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def_field (k4, 4);
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def_field (k5, 5);
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def_field (k6, 6);
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def_field (k8, 8);
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def_field (k12, 12);
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def_field (k16, 16);
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def_field (l1, 1);
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def_field (l3, 3);
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def_field (l7, 7);
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def_field (l16, 16);
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def_field (K8, 8);
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def_field (K16, 16);
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def_field (L7, 7);
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def_field (L8, 8);
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def_field (L16, 16);
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def_field (P8, 8);
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def_field (P24, 24);
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def_field (D16, 16);
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def_field (SHFT, 4);
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def_field (SHIFTW, 6);
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def_field (ss, 2);
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def_field (dd, 2);
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def_field (uu, 2);
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def_field (cc, 2);
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def_field (mm, 2);
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def_field (vv, 2);
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def_field (tt, 2);
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def_field (FSSS, 4);
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def_field (FDDD, 4);
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def_field (XSSS, 4);
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def_field (XDDD, 4);
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def_field (CCCCCCC, 7);
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def_field (AAAAAAAI, 8);
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def_field (SS, 2);
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def_field (SS2, 2);
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def_field (DD, 2);
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def_field (DD2, 2);
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// aggregates
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def_field (Xmem_mmm, 3);
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def_field (Xmem_reg, 3);
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def_field (Ymem_mmm, 3);
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def_field (Ymem_reg, 3);
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} f;
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RHashTable * map;
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RHashTable * map_e;
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} tms320_dasm_t;;
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#define field_valid(d, name) \
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(d)->f.bf_##name##_valid
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#define field_value(d, name) \
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(d)->f.bf_##name##_value
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#define set_field_value(d, name, value) \
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({ \
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field_valid(d, name) = 1; \
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field_value(d, name) = value; \
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})
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#define LIST_END { 0 }
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#define INSN_MASK(af, an, av) { .f = af, .n = an, .v = av }
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#define INSN_FLAG(af, av) { .f = af, .v = TMS320_FLAG_##av }
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#define INSN_SYNTAX(arg...) (char *)#arg
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extern int tms320_dasm(tms320_dasm_t *, const ut8 *, int);
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extern int tms320_dasm_init(tms320_dasm_t *);
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extern int tms320_dasm_fini(tms320_dasm_t *);
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#endif /* __TMS320_DASM_H__ */
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@ -0,0 +1,76 @@
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#ifndef __TMS320_P_H__
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#define __TMS320_P_H__
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#ifndef min
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# define min(a,b) ((a) < (b) ? (a) : (b))
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#endif
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#ifndef ARRAY_SIZE
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# define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#endif
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#ifndef get_bits
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# define get_bits(av, af, an) (((av) >> (af)) & ((2 << (an - 1)) - 1))
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#endif
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static inline ut16 le16(ut16 v)
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{
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ut16 value = v;
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#if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__
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ut8 * pv = (void *)&v;
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value = (pv[0] << 8) | pv[1];
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#endif
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return value;
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}
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static inline ut32 le24(ut32 v)
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{
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ut32 value = v;
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#if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__
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ut8 * pv = (void *)&v;
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value = (pv[0] << 16) | (pv[1] << 8) | pv[2];
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#endif
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return value;
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}
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static inline ut32 le32(ut32 v)
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{
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ut32 value = v;
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#if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__
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ut8 * pv = (void *)&v;
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value = (pv[0] << 24) | (pv[1] << 16) | (pv[2] << 8) | pv[3];
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#endif
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return value;
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}
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static inline ut16 be16(ut16 v)
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{
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ut16 value = v;
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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ut8 * pv = (void *)&v;
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value = (pv[0] << 8) | pv[1];
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#endif
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return value;
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}
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static inline ut32 be24(ut32 v)
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{
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ut32 value = v;
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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ut8 * pv = (void *)&v;
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value = (pv[0] << 16) | (pv[1] << 8) | pv[2];
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#endif
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return value;
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}
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static inline ut32 be32(ut32 v)
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{
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ut32 value = v;
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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ut8 * pv = (void *)&v;
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value = (pv[0] << 24) | (pv[1] << 16) | (pv[2] << 8) | pv[3];
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#endif
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return value;
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}
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#endif /* __TMS320_P_H__ */
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@ -13,7 +13,7 @@ ALL_TARGETS=
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# TODO: rename to enabled plugins
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ARCHS=mips.mk sparc.mk java.mk bf.mk arm.mk dalvik.mk x86_as.mk x86_nz.mk
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ARCHS+=ppc.mk x86_olly.mk x86.mk csr.mk x86_nasm.mk psosvm.mk avr.mk
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ARCHS+=msil.mk sh.mk arm_winedbg.mk c55plus.mk gb.mk snes.mk ebc.mk malbolge.mk ws.mk
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ARCHS+=msil.mk sh.mk arm_winedbg.mk c55plus.mk tms320.mk gb.mk snes.mk ebc.mk malbolge.mk ws.mk
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include $(ARCHS)
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all: ${ALL_TARGETS}
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@ -0,0 +1,67 @@
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/*
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* TMS320 disassembly engine
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*
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* Written by Ilya V. Matveychikov <i.matveychikov@milabs.ru>
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*
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* Distributed under LGPLv3
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*/
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#include <stdio.h>
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#include <r_types.h>
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#include <r_lib.h>
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#include <r_asm.h>
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#include "../arch/tms320/tms320_dasm.h"
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static tms320_dasm_t engine = { };
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static int tms320_disassemble(RAsm *a, RAsmOp *op, const ut8 *buf, int len) {
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int ret = 1;
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ret = tms320_dasm(&engine, buf, len);
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snprintf(op->buf_asm, R_ASM_BUFSIZE, \
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"%s", ret < 0 ? "invalid" : engine.syntax);
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return (op->size = ret);
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}
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static int tms320_set_subarch(RAsm *a, const char * name)
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{
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if (strcmp(name, "C55X") == 0) {
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fprintf(stderr, "C55X requested\n");
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return 1;
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}
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return 0;
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}
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static int tms320_init(void * user)
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{
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return tms320_dasm_init(&engine);
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}
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static int tms320_fini(void * user)
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{
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return tms320_dasm_fini(&engine);
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}
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RAsmPlugin r_asm_plugin_tms320 = {
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.name = "tms320",
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.arch = "tms320",
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.desc = "TMS320 DSP family disassembly plugin",
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.license = "LGPLv3",
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.bits = 32|64,
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.init = tms320_init,
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.fini = tms320_fini,
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.disassemble = tms320_disassemble,
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.set_subarch = tms320_set_subarch,
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};
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#ifndef CORELIB
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struct r_lib_struct_t radare_plugin = {
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.type = R_LIB_TYPE_ASM,
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.data = &r_asm_plugin_tms320
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};
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#endif
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@ -0,0 +1,10 @@
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OBJ_TMS320=asm_tms320.o
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OBJ_TMS320+=../arch/tms320/tms320_dasm.o
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STATIC_OBJ+=${OBJ_TMS320}
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TARGET_TMS320=asm_tms320.${EXT_SO}
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ALL_TARGETS+=${TARGET_TMS320}
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${TARGET_TMS320}: ${OBJ_TMS320}
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${CC} $(call libname,asm_tms320) ${LDFLAGS} ${CFLAGS} ${OBJ_TMS320}
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@ -182,6 +182,7 @@ extern RAsmPlugin r_asm_plugin_rar;
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extern RAsmPlugin r_asm_plugin_dcpu16;
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extern RAsmPlugin r_asm_plugin_8051;
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extern RAsmPlugin r_asm_plugin_c55plus;
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extern RAsmPlugin r_asm_plugin_tms320;
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extern RAsmPlugin r_asm_plugin_gb;
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extern RAsmPlugin r_asm_plugin_snes;
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extern RAsmPlugin r_asm_plugin_ebc;
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@ -30,6 +30,7 @@ asm.i8080
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asm.8051
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asm.msil
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asm.c55plus
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asm.tms320
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asm.gb
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asm.snes
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asm.ebc
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