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-rw-r--r--tools/perf/arch/mips/annotate/instructions.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/tools/perf/arch/mips/annotate/instructions.c b/tools/perf/arch/mips/annotate/instructions.c
new file mode 100644
index 000000000..340993f2a
--- /dev/null
+++ b/tools/perf/arch/mips/annotate/instructions.c
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0
+
+static
+struct ins_ops *mips__associate_ins_ops(struct arch *arch, const char *name)
+{
+ struct ins_ops *ops = NULL;
+
+ if (!strncmp(name, "bal", 3) ||
+ !strncmp(name, "bgezal", 6) ||
+ !strncmp(name, "bltzal", 6) ||
+ !strncmp(name, "bgtzal", 6) ||
+ !strncmp(name, "blezal", 6) ||
+ !strncmp(name, "beqzal", 6) ||
+ !strncmp(name, "bnezal", 6) ||
+ !strncmp(name, "bgtzl", 5) ||
+ !strncmp(name, "bltzl", 5) ||
+ !strncmp(name, "bgezl", 5) ||
+ !strncmp(name, "blezl", 5) ||
+ !strncmp(name, "jialc", 5) ||
+ !strncmp(name, "beql", 4) ||
+ !strncmp(name, "bnel", 4) ||
+ !strncmp(name, "jal", 3))
+ ops = &call_ops;
+ else if (!strncmp(name, "jr", 2))
+ ops = &ret_ops;
+ else if (name[0] == 'j' || name[0] == 'b')
+ ops = &jump_ops;
+ else
+ return NULL;
+
+ arch__associate_ins_ops(arch, name, ops);
+
+ return ops;
+}
+
+static
+int mips__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
+{
+ if (!arch->initialized) {
+ arch->associate_instruction_ops = mips__associate_ins_ops;
+ arch->initialized = true;
+ arch->objdump.comment_char = '#';
+ }
+
+ return 0;
+}