hc
2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d
kernel/tools/perf/arch/arm64/annotate/instructions.c
....@@ -2,10 +2,68 @@
22 #include <linux/compiler.h>
33 #include <sys/types.h>
44 #include <regex.h>
5
+#include <stdlib.h>
56
67 struct arm64_annotate {
78 regex_t call_insn,
89 jump_insn;
10
+};
11
+
12
+static int arm64_mov__parse(struct arch *arch __maybe_unused,
13
+ struct ins_operands *ops,
14
+ struct map_symbol *ms __maybe_unused)
15
+{
16
+ char *s = strchr(ops->raw, ','), *target, *endptr;
17
+
18
+ if (s == NULL)
19
+ return -1;
20
+
21
+ *s = '\0';
22
+ ops->source.raw = strdup(ops->raw);
23
+ *s = ',';
24
+
25
+ if (ops->source.raw == NULL)
26
+ return -1;
27
+
28
+ target = ++s;
29
+ ops->target.raw = strdup(target);
30
+ if (ops->target.raw == NULL)
31
+ goto out_free_source;
32
+
33
+ ops->target.addr = strtoull(target, &endptr, 16);
34
+ if (endptr == target)
35
+ goto out_free_target;
36
+
37
+ s = strchr(endptr, '<');
38
+ if (s == NULL)
39
+ goto out_free_target;
40
+ endptr = strchr(s + 1, '>');
41
+ if (endptr == NULL)
42
+ goto out_free_target;
43
+
44
+ *endptr = '\0';
45
+ *s = ' ';
46
+ ops->target.name = strdup(s);
47
+ *s = '<';
48
+ *endptr = '>';
49
+ if (ops->target.name == NULL)
50
+ goto out_free_target;
51
+
52
+ return 0;
53
+
54
+out_free_target:
55
+ zfree(&ops->target.raw);
56
+out_free_source:
57
+ zfree(&ops->source.raw);
58
+ return -1;
59
+}
60
+
61
+static int mov__scnprintf(struct ins *ins, char *bf, size_t size,
62
+ struct ins_operands *ops, int max_ins_name);
63
+
64
+static struct ins_ops arm64_mov_ops = {
65
+ .parse = arm64_mov__parse,
66
+ .scnprintf = mov__scnprintf,
967 };
1068
1169 static struct ins_ops *arm64__associate_instruction_ops(struct arch *arch, const char *name)
....@@ -21,7 +79,7 @@
2179 else if (!strcmp(name, "ret"))
2280 ops = &ret_ops;
2381 else
24
- return NULL;
82
+ ops = &arm64_mov_ops;
2583
2684 arch__associate_ins_ops(arch, name, ops);
2785 return ops;
....@@ -37,7 +95,7 @@
3795
3896 arm = zalloc(sizeof(*arm));
3997 if (!arm)
40
- return -1;
98
+ return ENOMEM;
4199
42100 /* bl, blr */
43101 err = regcomp(&arm->call_insn, "^blr?$", REG_EXTENDED);
....@@ -60,5 +118,5 @@
60118 regfree(&arm->call_insn);
61119 out_free_arm:
62120 free(arm);
63
- return -1;
121
+ return SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_REGEXP;
64122 }