Rizin
unix-like reverse engineering framework and cli tools
parse_tms320_pseudo.c
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1 // SPDX-FileCopyrightText: 2021 deroad <wargio@libero.it>
2 // SPDX-License-Identifier: LGPL-3.0-only
3 
4 #include <rz_lib.h>
5 #include <rz_flag.h>
6 #include <rz_analysis.h>
7 #include <rz_parse.h>
8 
9 // https://www.ti.com/lit/ug/spru732j/spru732j.pdf
10 #include "parse_common.c"
11 
12 static RzList *tms320_tokenize(const char *assembly, size_t length);
13 
14 static const RzPseudoGrammar tms320_lexicon[] = {
15  RZ_PSEUDO_DEFINE_GRAMMAR("add", "3 = 1 + 2"),
16  RZ_PSEUDO_DEFINE_GRAMMAR("addab", "3 = 1 + 2"),
17  RZ_PSEUDO_DEFINE_GRAMMAR("addah", "3 = 1 + 2"),
18  RZ_PSEUDO_DEFINE_GRAMMAR("addaw", "3 = 1 + 2"),
19  RZ_PSEUDO_DEFINE_GRAMMAR("addk", "2 += 1"),
20  RZ_PSEUDO_DEFINE_GRAMMAR("addu", "3 = 1 + 2"),
21  RZ_PSEUDO_DEFINE_GRAMMAR("addw", "3 = 1 + 2"),
22  RZ_PSEUDO_DEFINE_GRAMMAR("andn", "3 = 1 ~ 2"),
23  RZ_PSEUDO_DEFINE_GRAMMAR("avg2", "3 = 1 avg 2"),
24  RZ_PSEUDO_DEFINE_GRAMMAR("b", "goto 1"),
25  RZ_PSEUDO_DEFINE_GRAMMAR("band", "3 = 1 & 2"),
26  RZ_PSEUDO_DEFINE_GRAMMAR("clr", "4 = 2 .bitclear 1 .. 2"),
27  RZ_PSEUDO_DEFINE_GRAMMAR("cmpeq", "3 = 1 == 2"),
28  RZ_PSEUDO_DEFINE_GRAMMAR("cmpge", "3 = 1 >= 2"),
29  RZ_PSEUDO_DEFINE_GRAMMAR("cmpgtu", "3 = 1 > 2"),
30  RZ_PSEUDO_DEFINE_GRAMMAR("cmplt", "3 = 1 < 2"),
31  RZ_PSEUDO_DEFINE_GRAMMAR("ext", "4 = 2 ext 1 .. 3"),
32  RZ_PSEUDO_DEFINE_GRAMMAR("extu", "4 = 2 ext 1 .. 3"),
33  RZ_PSEUDO_DEFINE_GRAMMAR("ldb", "2 = (byte) 1"),
34  RZ_PSEUDO_DEFINE_GRAMMAR("ldbu", "2 = (byte) 1"),
35  RZ_PSEUDO_DEFINE_GRAMMAR("lddw", "2 = (word) 1"),
36  RZ_PSEUDO_DEFINE_GRAMMAR("ldh", "2 = (half) 1"),
37  RZ_PSEUDO_DEFINE_GRAMMAR("ldhu", "2 = (half) 1"),
38  RZ_PSEUDO_DEFINE_GRAMMAR("ldndw", "2 = 1"),
39  RZ_PSEUDO_DEFINE_GRAMMAR("ldnw", "2 = 1"),
40  RZ_PSEUDO_DEFINE_GRAMMAR("ldw", "2 = (word) 1"),
41  RZ_PSEUDO_DEFINE_GRAMMAR("max2", "3 = max(1, 2)"),
42  RZ_PSEUDO_DEFINE_GRAMMAR("mpy", "3 = 1 * 2"),
43  RZ_PSEUDO_DEFINE_GRAMMAR("mpy2", "3 = 1 * 2"),
44  RZ_PSEUDO_DEFINE_GRAMMAR("mpyh", "3 = 1 * 2"),
45  RZ_PSEUDO_DEFINE_GRAMMAR("mpyhi", "3 = 1 * 2"),
46  RZ_PSEUDO_DEFINE_GRAMMAR("mpyhir", "3 = 1 * 2"),
47  RZ_PSEUDO_DEFINE_GRAMMAR("mpyhl", "3 = 1 * 2"),
48  RZ_PSEUDO_DEFINE_GRAMMAR("mpyhl", "3 = 1 * 2"),
49  RZ_PSEUDO_DEFINE_GRAMMAR("mpyhlu", "3 = 1 * 2"),
50  RZ_PSEUDO_DEFINE_GRAMMAR("mpyhslu", "3 = 1 * 2"),
51  RZ_PSEUDO_DEFINE_GRAMMAR("mpyhsu", "3 = 1 * 2"),
52  RZ_PSEUDO_DEFINE_GRAMMAR("mpyhu", "3 = 1 * 2"),
53  RZ_PSEUDO_DEFINE_GRAMMAR("mpyhul", "3 = 1 * 2"),
54  RZ_PSEUDO_DEFINE_GRAMMAR("mpyhuls", "3 = 1 * 2"),
55  RZ_PSEUDO_DEFINE_GRAMMAR("mpyhus", "3 = 1 * 2"),
56  RZ_PSEUDO_DEFINE_GRAMMAR("mpylh", "3 = 1 * 2"),
57  RZ_PSEUDO_DEFINE_GRAMMAR("mpyli", "3 = 1 * 2"),
58  RZ_PSEUDO_DEFINE_GRAMMAR("mpylir", "3 = 1 * 2"),
59  RZ_PSEUDO_DEFINE_GRAMMAR("mpyluhs", "3 = 1 * 2"),
60  RZ_PSEUDO_DEFINE_GRAMMAR("mpysu", "3 = 1 * 2"),
61  RZ_PSEUDO_DEFINE_GRAMMAR("mpyu", "3 = 1 * 2"),
62  RZ_PSEUDO_DEFINE_GRAMMAR("mpyu4", "3 = 1 * 2"),
63  RZ_PSEUDO_DEFINE_GRAMMAR("mv", "2 = 1"),
64  RZ_PSEUDO_DEFINE_GRAMMAR("mvk", "2 = 1"),
65  RZ_PSEUDO_DEFINE_GRAMMAR("mvklh", "2 = (half) 1"),
66  RZ_PSEUDO_DEFINE_GRAMMAR("nop", ""),
67  RZ_PSEUDO_DEFINE_GRAMMAR("or", "3 = 2 | 1"),
68  RZ_PSEUDO_DEFINE_GRAMMAR("pack2", "3 = 1 pack 2"),
69  RZ_PSEUDO_DEFINE_GRAMMAR("reti", "return"),
70  RZ_PSEUDO_DEFINE_GRAMMAR("sadd", "3 = 1 + 2"),
71  RZ_PSEUDO_DEFINE_GRAMMAR("sadd2", "3 = 1 + 2"),
72  RZ_PSEUDO_DEFINE_GRAMMAR("set", "4 = 2 .bitset 1 .. 2"),
73  RZ_PSEUDO_DEFINE_GRAMMAR("shl", "3 = (2 & #0xffffff) << 1"),
74  RZ_PSEUDO_DEFINE_GRAMMAR("shlmb", "3 = << 1"),
75  RZ_PSEUDO_DEFINE_GRAMMAR("shr", "3 = (2 & #0xffffff) << 1"),
76  RZ_PSEUDO_DEFINE_GRAMMAR("smpy", "3 = 1 * 2"),
77  RZ_PSEUDO_DEFINE_GRAMMAR("smpy", "3 = 1 * 2"),
78  RZ_PSEUDO_DEFINE_GRAMMAR("smpyh", "3 = 1 * 2"),
79  RZ_PSEUDO_DEFINE_GRAMMAR("smpyhl", "3 = 1 * 2"),
80  RZ_PSEUDO_DEFINE_GRAMMAR("smpylh", "3 = 1 * 2"),
81  RZ_PSEUDO_DEFINE_GRAMMAR("ssub", "3 = 1 - 2"),
82  RZ_PSEUDO_DEFINE_GRAMMAR("stb", "2 = (byte) 1"),
83  RZ_PSEUDO_DEFINE_GRAMMAR("stdw", "2 = (half) 1"),
84  RZ_PSEUDO_DEFINE_GRAMMAR("sth", "2 = (half) 1"),
85  RZ_PSEUDO_DEFINE_GRAMMAR("stndw", "2 = (half) 1"),
86  RZ_PSEUDO_DEFINE_GRAMMAR("stnw", "2 = (word) 1"),
87  RZ_PSEUDO_DEFINE_GRAMMAR("stw", "2 = (word) 1"),
88  RZ_PSEUDO_DEFINE_GRAMMAR("sub", "3 = 1 - 2"),
89  RZ_PSEUDO_DEFINE_GRAMMAR("sub2", "3 = 1 - 2"),
90  RZ_PSEUDO_DEFINE_GRAMMAR("subab", "3 = 1 - 2"),
91  RZ_PSEUDO_DEFINE_GRAMMAR("subu", "3 = 1 - 2"),
92  RZ_PSEUDO_DEFINE_GRAMMAR("zero", "1 = 0"),
93 };
94 
95 static const RzPseudoConfig tms320_config = RZ_PSEUDO_DEFINE_CONFIG_ONLY_LEXICON(tms320_lexicon, 5, tms320_tokenize);
96 
97 RzList *tms320_tokenize(const char *assembly, size_t length) {
98  char *buf = NULL, *sp = NULL;
99  RzList *tokens = NULL;
100  buf = rz_str_ndup(assembly, length);
101  if (!buf) {
102  return NULL;
103  }
104 
105  sp = strchr(buf, ' ');
106  if (sp) {
107  *sp = ',';
108  }
109 
110  tokens = rz_str_split_duplist(buf, ",", true);
111  free(buf);
112 
113  return tokens;
114 }
115 
116 static bool parse(RzParse *parse, const char *assembly, RzStrBuf *sb) {
117  return rz_pseudo_convert(&tms320_config, assembly, sb);
118 }
119 
120 RzParsePlugin rz_parse_plugin_tms320_pseudo = {
121  .name = "tms320.pseudo",
122  .desc = "tms320 pseudo syntax",
123  .parse = parse,
124 };
125 
126 #ifndef RZ_PLUGIN_INCORE
127 RZ_API RzLibStruct rizin_plugin = {
128  .type = RZ_LIB_TYPE_PARSE,
129  .data = &rz_parse_plugin_tms320_pseudo,
130  .version = RZ_VERSION
131 };
132 #endif
sb
static SblHeader sb
Definition: bin_mbn.c:26
RZ_API
#define RZ_API
Definition: core_plugin_example.c:36
NULL
#define NULL
Definition: cris-opc.c:27
length
static static sync static getppid static getegid const char static filename char static len const char char static bufsiz static mask static vfork const void static prot static getpgrp const char static swapflags static arg static fd static protocol static who struct sockaddr static addrlen static backlog struct timeval struct timezone static tz const struct iovec static count static mode const void const struct sockaddr static tolen const char static pathname void static offset struct stat static buf void long static basep static whence static length const void static len static semflg const void static shmflg const struct timespec struct timespec static rem const char static group const void length
Definition: sflib.h:133
free
RZ_API void Ht_() free(HtName_(Ht) *ht)
Definition: ht_inc.c:130
buf
voidpf void * buf
Definition: ioapi.h:138
parse_common.c
rz_pseudo_convert
static bool rz_pseudo_convert(const RzPseudoConfig *config, const char *assembly, RzStrBuf *sb)
Definition: parse_common.c:103
RZ_PSEUDO_DEFINE_GRAMMAR
#define RZ_PSEUDO_DEFINE_GRAMMAR(x, y)
Definition: parse_common.c:58
RZ_PSEUDO_DEFINE_CONFIG_ONLY_LEXICON
#define RZ_PSEUDO_DEFINE_CONFIG_ONLY_LEXICON(l, m, t)
Definition: parse_common.c:91
tms320_tokenize
static RzList * tms320_tokenize(const char *assembly, size_t length)
Definition: parse_tms320_pseudo.c:97
rizin_plugin
RZ_API RzLibStruct rizin_plugin
Definition: parse_tms320_pseudo.c:127
tms320_config
static const RzPseudoConfig tms320_config
Definition: parse_tms320_pseudo.c:95
tms320_lexicon
static const RzPseudoGrammar tms320_lexicon[]
Definition: parse_tms320_pseudo.c:14
parse
static bool parse(RzParse *parse, const char *assembly, RzStrBuf *sb)
Definition: parse_tms320_pseudo.c:116
rz_parse_plugin_tms320_pseudo
RzParsePlugin rz_parse_plugin_tms320_pseudo
Definition: parse_tms320_pseudo.c:120
rz_analysis.h
rz_flag.h
rz_lib.h
RZ_LIB_TYPE_PARSE
@ RZ_LIB_TYPE_PARSE
Definition: rz_lib.h:74
rz_parse.h
rz_str_ndup
RZ_API char * rz_str_ndup(RZ_NULLABLE const char *ptr, int len)
Create new copy of string ptr limited to size len.
Definition: str.c:1006
rz_str_split_duplist
RZ_API RzList * rz_str_split_duplist(const char *str, const char *c, bool trim)
Split the string str according to the substring c and returns a RzList with the result.
Definition: str.c:3464
RZ_VERSION
#define RZ_VERSION
Definition: rz_version.h:8
parse
Definition: regcomp.c:57
rz_lib_struct_t
Definition: rz_lib.h:57
rz_lib_struct_t::type
int type
Definition: rz_lib.h:58
rz_list_t
Definition: rz_list.h:18
rz_parse_plugin_t
Definition: rz_parse.h:44
rz_parse_plugin_t::name
char * name
Definition: rz_parse.h:45
rz_parse_t
Definition: rz_parse.h:20
sp
static int sp
Definition: z80asm.c:91