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Diffstat (limited to 'tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c')
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c13
1 files changed, 6 insertions, 7 deletions
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) {
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