1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/compiler.h>
4 static struct ins_ops
*powerpc__associate_instruction_ops(struct arch
*arch
, const char *name
)
10 * - Interested only if instruction starts with 'b'.
11 * - Few start with 'b', but aren't branch instructions.
14 !strncmp(name
, "bcd", 3) ||
15 !strncmp(name
, "brinc", 5) ||
16 !strncmp(name
, "bper", 4))
25 /* ignore optional hints at the end of the instructions */
26 if (name
[i
] == '+' || name
[i
] == '-')
29 if (name
[i
] == 'l' || (name
[i
] == 'a' && name
[i
-1] == 'l')) {
31 * if the instruction ends up with 'l' or 'la', then
32 * those are considered 'calls' since they update LR.
33 * ... except for 'bnl' which is branch if not less than
34 * and the absolute form of the same.
36 if (strcmp(name
, "bnl") && strcmp(name
, "bnl+") &&
37 strcmp(name
, "bnl-") && strcmp(name
, "bnla") &&
38 strcmp(name
, "bnla+") && strcmp(name
, "bnla-"))
41 if (name
[i
] == 'r' && name
[i
-1] == 'l')
43 * instructions ending with 'lr' are considered to be
48 arch__associate_ins_ops(arch
, name
, ops
);
52 static int powerpc__annotate_init(struct arch
*arch
, char *cpuid __maybe_unused
)
54 if (!arch
->initialized
) {
55 arch
->initialized
= true;
56 arch
->associate_instruction_ops
= powerpc__associate_instruction_ops
;
57 arch
->objdump
.comment_char
= '#';