12fa5ebe3SHuacai Chen // SPDX-License-Identifier: GPL-2.0
22fa5ebe3SHuacai Chen /*
32fa5ebe3SHuacai Chen * Perf annotate functions.
42fa5ebe3SHuacai Chen *
52fa5ebe3SHuacai Chen * Copyright (C) 2020-2023 Loongson Technology Corporation Limited
62fa5ebe3SHuacai Chen */
72fa5ebe3SHuacai Chen
loongarch_call__parse(struct arch * arch,struct ins_operands * ops,struct map_symbol * ms)8*4ca0d340SWANG Rui static int loongarch_call__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms)
9*4ca0d340SWANG Rui {
10*4ca0d340SWANG Rui char *c, *endptr, *tok, *name;
11*4ca0d340SWANG Rui struct map *map = ms->map;
12*4ca0d340SWANG Rui struct addr_map_symbol target = {
13*4ca0d340SWANG Rui .ms = { .map = map, },
14*4ca0d340SWANG Rui };
15*4ca0d340SWANG Rui
16*4ca0d340SWANG Rui c = strchr(ops->raw, '#');
17*4ca0d340SWANG Rui if (c++ == NULL)
18*4ca0d340SWANG Rui return -1;
19*4ca0d340SWANG Rui
20*4ca0d340SWANG Rui ops->target.addr = strtoull(c, &endptr, 16);
21*4ca0d340SWANG Rui
22*4ca0d340SWANG Rui name = strchr(endptr, '<');
23*4ca0d340SWANG Rui name++;
24*4ca0d340SWANG Rui
25*4ca0d340SWANG Rui if (arch->objdump.skip_functions_char &&
26*4ca0d340SWANG Rui strchr(name, arch->objdump.skip_functions_char))
27*4ca0d340SWANG Rui return -1;
28*4ca0d340SWANG Rui
29*4ca0d340SWANG Rui tok = strchr(name, '>');
30*4ca0d340SWANG Rui if (tok == NULL)
31*4ca0d340SWANG Rui return -1;
32*4ca0d340SWANG Rui
33*4ca0d340SWANG Rui *tok = '\0';
34*4ca0d340SWANG Rui ops->target.name = strdup(name);
35*4ca0d340SWANG Rui *tok = '>';
36*4ca0d340SWANG Rui
37*4ca0d340SWANG Rui if (ops->target.name == NULL)
38*4ca0d340SWANG Rui return -1;
39*4ca0d340SWANG Rui
40*4ca0d340SWANG Rui target.addr = map__objdump_2mem(map, ops->target.addr);
41*4ca0d340SWANG Rui
42*4ca0d340SWANG Rui if (maps__find_ams(ms->maps, &target) == 0 &&
43*4ca0d340SWANG Rui map__rip_2objdump(target.ms.map, map__map_ip(target.ms.map, target.addr)) == ops->target.addr)
44*4ca0d340SWANG Rui ops->target.sym = target.ms.sym;
45*4ca0d340SWANG Rui
46*4ca0d340SWANG Rui return 0;
47*4ca0d340SWANG Rui }
48*4ca0d340SWANG Rui
49*4ca0d340SWANG Rui static struct ins_ops loongarch_call_ops = {
50*4ca0d340SWANG Rui .parse = loongarch_call__parse,
51*4ca0d340SWANG Rui .scnprintf = call__scnprintf,
52*4ca0d340SWANG Rui };
53*4ca0d340SWANG Rui
loongarch_jump__parse(struct arch * arch,struct ins_operands * ops,struct map_symbol * ms)54*4ca0d340SWANG Rui static int loongarch_jump__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms)
55*4ca0d340SWANG Rui {
56*4ca0d340SWANG Rui struct map *map = ms->map;
57*4ca0d340SWANG Rui struct symbol *sym = ms->sym;
58*4ca0d340SWANG Rui struct addr_map_symbol target = {
59*4ca0d340SWANG Rui .ms = { .map = map, },
60*4ca0d340SWANG Rui };
61*4ca0d340SWANG Rui const char *c = strchr(ops->raw, '#');
62*4ca0d340SWANG Rui u64 start, end;
63*4ca0d340SWANG Rui
64*4ca0d340SWANG Rui ops->raw_comment = strchr(ops->raw, arch->objdump.comment_char);
65*4ca0d340SWANG Rui ops->raw_func_start = strchr(ops->raw, '<');
66*4ca0d340SWANG Rui
67*4ca0d340SWANG Rui if (ops->raw_func_start && c > ops->raw_func_start)
68*4ca0d340SWANG Rui c = NULL;
69*4ca0d340SWANG Rui
70*4ca0d340SWANG Rui if (c++ != NULL)
71*4ca0d340SWANG Rui ops->target.addr = strtoull(c, NULL, 16);
72*4ca0d340SWANG Rui else
73*4ca0d340SWANG Rui ops->target.addr = strtoull(ops->raw, NULL, 16);
74*4ca0d340SWANG Rui
75*4ca0d340SWANG Rui target.addr = map__objdump_2mem(map, ops->target.addr);
76*4ca0d340SWANG Rui start = map__unmap_ip(map, sym->start);
77*4ca0d340SWANG Rui end = map__unmap_ip(map, sym->end);
78*4ca0d340SWANG Rui
79*4ca0d340SWANG Rui ops->target.outside = target.addr < start || target.addr > end;
80*4ca0d340SWANG Rui
81*4ca0d340SWANG Rui if (maps__find_ams(ms->maps, &target) == 0 &&
82*4ca0d340SWANG Rui map__rip_2objdump(target.ms.map, map__map_ip(target.ms.map, target.addr)) == ops->target.addr)
83*4ca0d340SWANG Rui ops->target.sym = target.ms.sym;
84*4ca0d340SWANG Rui
85*4ca0d340SWANG Rui if (!ops->target.outside) {
86*4ca0d340SWANG Rui ops->target.offset = target.addr - start;
87*4ca0d340SWANG Rui ops->target.offset_avail = true;
88*4ca0d340SWANG Rui } else {
89*4ca0d340SWANG Rui ops->target.offset_avail = false;
90*4ca0d340SWANG Rui }
91*4ca0d340SWANG Rui
92*4ca0d340SWANG Rui return 0;
93*4ca0d340SWANG Rui }
94*4ca0d340SWANG Rui
95*4ca0d340SWANG Rui static struct ins_ops loongarch_jump_ops = {
96*4ca0d340SWANG Rui .parse = loongarch_jump__parse,
97*4ca0d340SWANG Rui .scnprintf = jump__scnprintf,
98*4ca0d340SWANG Rui };
99*4ca0d340SWANG Rui
1002fa5ebe3SHuacai Chen static
loongarch__associate_ins_ops(struct arch * arch,const char * name)1012fa5ebe3SHuacai Chen struct ins_ops *loongarch__associate_ins_ops(struct arch *arch, const char *name)
1022fa5ebe3SHuacai Chen {
1032fa5ebe3SHuacai Chen struct ins_ops *ops = NULL;
1042fa5ebe3SHuacai Chen
105*4ca0d340SWANG Rui if (!strcmp(name, "bl"))
106*4ca0d340SWANG Rui ops = &loongarch_call_ops;
107*4ca0d340SWANG Rui else if (!strcmp(name, "jirl"))
108*4ca0d340SWANG Rui ops = &ret_ops;
109*4ca0d340SWANG Rui else if (!strcmp(name, "b") ||
1102fa5ebe3SHuacai Chen !strncmp(name, "beq", 3) ||
1112fa5ebe3SHuacai Chen !strncmp(name, "bne", 3) ||
1122fa5ebe3SHuacai Chen !strncmp(name, "blt", 3) ||
1132fa5ebe3SHuacai Chen !strncmp(name, "bge", 3) ||
1142fa5ebe3SHuacai Chen !strncmp(name, "bltu", 4) ||
115*4ca0d340SWANG Rui !strncmp(name, "bgeu", 4))
116*4ca0d340SWANG Rui ops = &loongarch_jump_ops;
1172fa5ebe3SHuacai Chen else
1182fa5ebe3SHuacai Chen return NULL;
1192fa5ebe3SHuacai Chen
1202fa5ebe3SHuacai Chen arch__associate_ins_ops(arch, name, ops);
1212fa5ebe3SHuacai Chen
1222fa5ebe3SHuacai Chen return ops;
1232fa5ebe3SHuacai Chen }
1242fa5ebe3SHuacai Chen
1252fa5ebe3SHuacai Chen static
loongarch__annotate_init(struct arch * arch,char * cpuid __maybe_unused)1262fa5ebe3SHuacai Chen int loongarch__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
1272fa5ebe3SHuacai Chen {
1282fa5ebe3SHuacai Chen if (!arch->initialized) {
1292fa5ebe3SHuacai Chen arch->associate_instruction_ops = loongarch__associate_ins_ops;
1302fa5ebe3SHuacai Chen arch->initialized = true;
1312fa5ebe3SHuacai Chen arch->objdump.comment_char = '#';
1322fa5ebe3SHuacai Chen }
1332fa5ebe3SHuacai Chen
1342fa5ebe3SHuacai Chen return 0;
1352fa5ebe3SHuacai Chen }
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