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-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-decoder.c2
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-decoder.h1
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c13
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.h6
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-log.c4
5 files changed, 13 insertions, 13 deletions
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index 16c06d3ae577..e4e7dc781d21 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -980,6 +980,8 @@ out:
out_no_progress:
decoder->state.insn_op = intel_pt_insn->op;
decoder->state.insn_len = intel_pt_insn->length;
+ memcpy(decoder->state.insn, intel_pt_insn->buf,
+ INTEL_PT_INSN_BUF_SZ);
if (decoder->tx_flags & INTEL_PT_IN_TX)
decoder->state.flags |= INTEL_PT_IN_TX;
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h
index 89399985fa4d..e90619a43c0c 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h
@@ -66,6 +66,7 @@ struct intel_pt_state {
uint32_t flags;
enum intel_pt_insn_op insn_op;
int insn_len;
+ char insn[INTEL_PT_INSN_BUF_SZ];
};
struct intel_pt_insn;
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c
index d23138c06665..7913363bde5c 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c
@@ -27,6 +27,10 @@
#include "intel-pt-insn-decoder.h"
+#if INTEL_PT_INSN_BUF_SZ < MAX_INSN_SIZE || INTEL_PT_INSN_BUF_SZ > MAX_INSN
+#error Instruction buffer size too small
+#endif
+
/* Based on branch_type() from perf_event_intel_lbr.c */
static void intel_pt_insn_decoder(struct insn *insn,
struct intel_pt_insn *intel_pt_insn)
@@ -166,10 +170,10 @@ int intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64,
if (!insn_complete(&insn) || insn.length > len)
return -1;
intel_pt_insn_decoder(&insn, intel_pt_insn);
- if (insn.length < INTEL_PT_INSN_DBG_BUF_SZ)
+ if (insn.length < INTEL_PT_INSN_BUF_SZ)
memcpy(intel_pt_insn->buf, buf, insn.length);
else
- memcpy(intel_pt_insn->buf, buf, INTEL_PT_INSN_DBG_BUF_SZ);
+ memcpy(intel_pt_insn->buf, buf, INTEL_PT_INSN_BUF_SZ);
return 0;
}
@@ -211,11 +215,6 @@ int intel_pt_insn_desc(const struct intel_pt_insn *intel_pt_insn, char *buf,
return 0;
}
-size_t intel_pt_insn_max_size(void)
-{
- return MAX_INSN_SIZE;
-}
-
int intel_pt_insn_type(enum intel_pt_insn_op op)
{
switch (op) {
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.h b/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.h
index b0adbf37323e..37ec5627ae9b 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.h
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.h
@@ -20,7 +20,7 @@
#include <stdint.h>
#define INTEL_PT_INSN_DESC_MAX 32
-#define INTEL_PT_INSN_DBG_BUF_SZ 16
+#define INTEL_PT_INSN_BUF_SZ 16
enum intel_pt_insn_op {
INTEL_PT_OP_OTHER,
@@ -47,7 +47,7 @@ struct intel_pt_insn {
enum intel_pt_insn_branch branch;
int length;
int32_t rel;
- unsigned char buf[INTEL_PT_INSN_DBG_BUF_SZ];
+ unsigned char buf[INTEL_PT_INSN_BUF_SZ];
};
int intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64,
@@ -58,8 +58,6 @@ const char *intel_pt_insn_name(enum intel_pt_insn_op op);
int intel_pt_insn_desc(const struct intel_pt_insn *intel_pt_insn, char *buf,
size_t buf_len);
-size_t intel_pt_insn_max_size(void);
-
int intel_pt_insn_type(enum intel_pt_insn_op op);
#endif
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-log.c b/tools/perf/util/intel-pt-decoder/intel-pt-log.c
index 319bef33a64b..e02bc7b166a0 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-log.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-log.c
@@ -119,8 +119,8 @@ void __intel_pt_log_insn(struct intel_pt_insn *intel_pt_insn, uint64_t ip)
if (intel_pt_log_open())
return;
- if (len > INTEL_PT_INSN_DBG_BUF_SZ)
- len = INTEL_PT_INSN_DBG_BUF_SZ;
+ if (len > INTEL_PT_INSN_BUF_SZ)
+ len = INTEL_PT_INSN_BUF_SZ;
intel_pt_print_data(intel_pt_insn->buf, len, ip, 8);
if (intel_pt_insn_desc(intel_pt_insn, desc, INTEL_PT_INSN_DESC_MAX) > 0)
fprintf(f, "%s\n", desc);