x86/tools/insn_sanity: Convert to insn_decode()

Simplify code, no functional changes.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210304174237.31945-19-bp@alien8.de

diff --git a/arch/x86/tools/insn_sanity.c b/arch/x86/tools/insn_sanity.c
index c6a0000..213f35f 100644 (file)
--- a/arch/x86/tools/insn_sanity.c
+++ b/arch/x86/tools/insn_sanity.c
@@ -218,8 +218,8 @@ static void parse_args(int argc, char **argv)
 
 int main(int argc, char **argv)
 {
+       int insns = 0, ret;
        struct insn insn;
-       int insns = 0;
        int errors = 0;
        unsigned long i;
        unsigned char insn_buff[MAX_INSN_SIZE * 2];
@@ -237,15 +237,15 @@ int main(int argc, char **argv)
                        continue;
 
                /* Decode an instruction */
-               insn_init(&insn, insn_buff, sizeof(insn_buff), x86_64);
-               insn_get_length(&insn);
+               ret = insn_decode(&insn, insn_buff, sizeof(insn_buff),
+                                 x86_64 ? INSN_MODE_64 : INSN_MODE_32);
 
                if (insn.next_byte <= insn.kaddr ||
                    insn.kaddr + MAX_INSN_SIZE < insn.next_byte) {
                        /* Access out-of-range memory */
                        dump_stream(stderr, "Error: Found an access violation", i, insn_buff, &insn);
                        errors++;
-               } else if (verbose && !insn_complete(&insn))
+               } else if (verbose && ret < 0)
                        dump_stream(stdout, "Info: Found an undecodable input", i, insn_buff, &insn);
                else if (verbose >= 2)
                        dump_insn(stdout, &insn);