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-rw-r--r--tools/perf/util/print_insn.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/tools/perf/util/print_insn.c b/tools/perf/util/print_insn.c
index 32dc9dad9cf2..8825330d435f 100644
--- a/tools/perf/util/print_insn.c
+++ b/tools/perf/util/print_insn.c
@@ -12,6 +12,7 @@
#include "machine.h"
#include "thread.h"
#include "print_insn.h"
+#include "dump-insn.h"
#include "map.h"
#include "dso.h"
@@ -71,6 +72,57 @@ static int capstone_init(struct machine *machine, csh *cs_handle, bool is64)
return 0;
}
+static void dump_insn_x86(struct thread *thread, cs_insn *insn, struct perf_insn *x)
+{
+ struct addr_location al;
+ bool printed = false;
+
+ if (insn->detail && insn->detail->x86.op_count == 1) {
+ cs_x86_op *op = &insn->detail->x86.operands[0];
+
+ addr_location__init(&al);
+ if (op->type == X86_OP_IMM &&
+ thread__find_symbol(thread, x->cpumode, op->imm, &al) &&
+ al.sym &&
+ al.addr < al.sym->end) {
+ snprintf(x->out, sizeof(x->out), "%s %s+%#" PRIx64 " [%#" PRIx64 "]", insn[0].mnemonic,
+ al.sym->name, al.addr - al.sym->start, op->imm);
+ printed = true;
+ }
+ addr_location__exit(&al);
+ }
+
+ if (!printed)
+ snprintf(x->out, sizeof(x->out), "%s %s", insn[0].mnemonic, insn[0].op_str);
+}
+
+const char *cs_dump_insn(struct perf_insn *x, uint64_t ip,
+ u8 *inbuf, int inlen, int *lenp)
+{
+ int ret;
+ int count;
+ cs_insn *insn;
+ csh cs_handle;
+
+ ret = capstone_init(x->machine, &cs_handle, x->is64bit);
+ if (ret < 0)
+ return NULL;
+
+ count = cs_disasm(cs_handle, (uint8_t *)inbuf, inlen, ip, 1, &insn);
+ if (count > 0) {
+ if (machine__normalized_is(x->machine, "x86"))
+ dump_insn_x86(x->thread, &insn[0], x);
+ else
+ snprintf(x->out, sizeof(x->out), "%s %s",
+ insn[0].mnemonic, insn[0].op_str);
+ *lenp = insn->size;
+ cs_free(insn, count);
+ } else {
+ return NULL;
+ }
+ return x->out;
+}
+
static size_t print_insn_x86(struct perf_sample *sample, struct thread *thread,
cs_insn *insn, FILE *fp)
{