1 files changed, 169 insertions, 0 deletions

diff --git a/tools/perf/arch/sparc/annotate/instructions.c b/tools/perf/arch/sparc/annotate/instructions.c
new file mode 100644
index 000000000000..2614c010c235
--- /dev/null
+++ b/tools/perf/arch/sparc/annotate/instructions.c
@@ -0,0 +1,169 @@
+// SPDX-License-Identifier: GPL-2.0
+
+static int is_branch_cond(const char *cond)
+{
+        if (cond[0] == '\0')
+                return 1;
+
+        if (cond[0] == 'a' && cond[1] == '\0')
+                return 1;
+
+        if (cond[0] == 'c' &&
+            (cond[1] == 'c' || cond[1] == 's') &&
+            cond[2] == '\0')
+                return 1;
+
+        if (cond[0] == 'e' &&
+            (cond[1] == '\0' ||
+             (cond[1] == 'q' && cond[2] == '\0')))
+                return 1;
+
+        if (cond[0] == 'g' &&
+            (cond[1] == '\0' ||
+             (cond[1] == 't' && cond[2] == '\0') ||
+             (cond[1] == 'e' && cond[2] == '\0') ||
+             (cond[1] == 'e' && cond[2] == 'u' && cond[3] == '\0')))
+                return 1;
+
+        if (cond[0] == 'l' &&
+            (cond[1] == '\0' ||
+             (cond[1] == 't' && cond[2] == '\0') ||
+             (cond[1] == 'u' && cond[2] == '\0') ||
+             (cond[1] == 'e' && cond[2] == '\0') ||
+             (cond[1] == 'e' && cond[2] == 'u' && cond[3] == '\0')))
+                return 1;
+
+        if (cond[0] == 'n' &&
+            (cond[1] == '\0' ||
+             (cond[1] == 'e' && cond[2] == '\0') ||
+             (cond[1] == 'z' && cond[2] == '\0') ||
+             (cond[1] == 'e' && cond[2] == 'g' && cond[3] == '\0')))
+                return 1;
+
+        if (cond[0] == 'b' &&
+            cond[1] == 'p' &&
+            cond[2] == 'o' &&
+            cond[3] == 's' &&
+            cond[4] == '\0')
+                return 1;
+
+        if (cond[0] == 'v' &&
+            (cond[1] == 'c' || cond[1] == 's') &&
+            cond[2] == '\0')
+                return 1;
+
+        if (cond[0] == 'b' &&
+            cond[1] == 'z' &&
+            cond[2] == '\0')
+                return 1;
+
+        return 0;
+}
+
+static int is_branch_reg_cond(const char *cond)
+{
+        if ((cond[0] == 'n' || cond[0] == 'l') &&
+            cond[1] == 'z' &&
+            cond[2] == '\0')
+                return 1;
+
+        if (cond[0] == 'z' &&
+            cond[1] == '\0')
+                return 1;
+
+        if ((cond[0] == 'g' || cond[0] == 'l') &&
+            cond[1] == 'e' &&
+            cond[2] == 'z' &&
+            cond[3] == '\0')
+                return 1;
+
+        if (cond[0] == 'g' &&
+            cond[1] == 'z' &&
+            cond[2] == '\0')
+                return 1;
+
+        return 0;
+}
+
+static int is_branch_float_cond(const char *cond)
+{
+        if (cond[0] == '\0')
+                return 1;
+
+        if ((cond[0] == 'a' || cond[0] == 'e' ||
+             cond[0] == 'z' || cond[0] == 'g' ||
+             cond[0] == 'l' || cond[0] == 'n' ||
+             cond[0] == 'o' || cond[0] == 'u') &&
+            cond[1] == '\0')
+                return 1;
+
+        if (((cond[0] == 'g' && cond[1] == 'e') ||
+             (cond[0] == 'l' && (cond[1] == 'e' ||
+                                 cond[1] == 'g')) ||
+             (cond[0] == 'n' && (cond[1] == 'e' ||
+                                 cond[1] == 'z')) ||
+             (cond[0] == 'u' && (cond[1] == 'e' ||
+                                 cond[1] == 'g' ||
+                                 cond[1] == 'l'))) &&
+            cond[2] == '\0')
+                return 1;
+
+        if (cond[0] == 'u' &&
+            (cond[1] == 'g' || cond[1] == 'l') &&
+            cond[2] == 'e' &&
+            cond[3] == '\0')
+                return 1;
+
+        return 0;
+}
+
+static struct ins_ops *sparc__associate_instruction_ops(struct arch *arch, const char *name)
+{
+        struct ins_ops *ops = NULL;
+
+        if (!strcmp(name, "call") ||
+            !strcmp(name, "jmp") ||
+            !strcmp(name, "jmpl")) {
+                ops = &call_ops;
+        } else if (!strcmp(name, "ret") ||
+                   !strcmp(name, "retl") ||
+                   !strcmp(name, "return")) {
+                ops = &ret_ops;
+        } else if (!strcmp(name, "mov")) {
+                ops = &mov_ops;
+        } else {
+                if (name[0] == 'c' &&
+                    (name[1] == 'w' || name[1] == 'x'))
+                        name += 2;
+
+                if (name[0] == 'b') {
+                        const char *cond = name + 1;
+
+                        if (cond[0] == 'r') {
+                                if (is_branch_reg_cond(cond + 1))
+                                        ops = &jump_ops;
+                        } else if (is_branch_cond(cond)) {
+                                ops = &jump_ops;
+                        }
+                } else if (name[0] == 'f' && name[1] == 'b') {
+                        if (is_branch_float_cond(name + 2))
+                                ops = &jump_ops;
+                }
+        }
+
+        if (ops)
+                arch__associate_ins_ops(arch, name, ops);
+
+        return ops;
+}
+
+static int sparc__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
+{
+        if (!arch->initialized) {
+                arch->initialized = true;
+                arch->associate_instruction_ops = sparc__associate_instruction_ops;
+                arch->objdump.comment_char = '#';
+        }
+
+        return 0;
+}