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Diffstat (limited to 'tools/perf/util/disasm.c')
-rw-r--r--tools/perf/util/disasm.c51
1 files changed, 50 insertions, 1 deletions
diff --git a/tools/perf/util/disasm.c b/tools/perf/util/disasm.c
index 931cd92dcc40..6d4055b9b966 100644
--- a/tools/perf/util/disasm.c
+++ b/tools/perf/util/disasm.c
@@ -44,6 +44,7 @@ static int call__scnprintf(struct ins *ins, char *bf, size_t size,
static void ins__sort(struct arch *arch);
static int disasm_line__parse(char *line, const char **namep, char **rawp);
+static int disasm_line__parse_powerpc(struct disasm_line *dl);
static __attribute__((constructor)) void symbol__init_regexpr(void)
{
@@ -845,6 +846,51 @@ out:
return -1;
}
+/*
+ * Parses the result captured from symbol__disassemble_*
+ * Example, line read from DSO file in powerpc:
+ * line: 38 01 81 e8
+ * opcode: fetched from arch specific get_opcode_insn
+ * rawp_insn: e8810138
+ *
+ * rawp_insn is used later to extract the reg/offset fields
+ */
+#define PPC_OP(op) (((op) >> 26) & 0x3F)
+#define RAW_BYTES 11
+
+static int disasm_line__parse_powerpc(struct disasm_line *dl)
+{
+ char *line = dl->al.line;
+ const char **namep = &dl->ins.name;
+ char **rawp = &dl->ops.raw;
+ char *tmp_raw_insn, *name_raw_insn = skip_spaces(line);
+ char *name = skip_spaces(name_raw_insn + RAW_BYTES);
+ int objdump = 0;
+
+ if (strlen(line) > RAW_BYTES)
+ objdump = 1;
+
+ if (name_raw_insn[0] == '\0')
+ return -1;
+
+ if (objdump) {
+ disasm_line__parse(name, namep, rawp);
+ } else
+ *namep = "";
+
+ tmp_raw_insn = strndup(name_raw_insn, 11);
+ if (tmp_raw_insn == NULL)
+ return -1;
+
+ remove_spaces(tmp_raw_insn);
+
+ sscanf(tmp_raw_insn, "%x", &dl->raw.raw_insn);
+ if (objdump)
+ dl->raw.raw_insn = be32_to_cpu(dl->raw.raw_insn);
+
+ return 0;
+}
+
static void annotation_line__init(struct annotation_line *al,
struct annotate_args *args,
int nr)
@@ -898,7 +944,10 @@ struct disasm_line *disasm_line__new(struct annotate_args *args)
goto out_delete;
if (args->offset != -1) {
- if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0)
+ if (arch__is(args->arch, "powerpc")) {
+ if (disasm_line__parse_powerpc(dl) < 0)
+ goto out_free_line;
+ } else if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0)
goto out_free_line;
disasm_line__init_ins(dl, args->arch, &args->ms);