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x86/tools: Standardize output format of insn_decode_test

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Standardize warning, error, and success printout format
of insn_decode_test so that user can easily understand
which test tool caused the messages.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/151153628279.22827.4869104298276788693.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Masami Hiramatsu 2017-11-25 00:11:22 +09:00 committed by Ingo Molnar
parent 98fe07fccc
commit 10c91577d5
1 changed files with 22 additions and 11 deletions
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33
arch/x86/tools/insn_decoder_test.c
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@ -17,6 +17,7 @@
#include <string.h>
#include <assert.h>
#include <unistd.h>
#include <stdarg.h>
#define unlikely(cond) (cond)
@ -48,10 +49,21 @@ static void usage(void)
static void malformed_line(const char *line, int line_nr)
{
fprintf(stderr, "%s: malformed line %d:\n%s", prog, line_nr, line);
fprintf(stderr, "%s: error: malformed line %d:\n%s",
prog, line_nr, line);
exit(3);
}
static void pr_warn(const char *fmt, ...)
{
va_list ap;
fprintf(stderr, "%s: warning: ", prog);
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
static void dump_field(FILE *fp, const char *name, const char *indent,
struct insn_field *field)
{
@ -149,21 +161,20 @@ int main(int argc, char **argv)
insn_get_length(&insn);
if (insn.length != nb) {
warnings++;
fprintf(stderr, "Warning: %s found difference at %s\n",
prog, sym);
fprintf(stderr, "Warning: %s", line);
fprintf(stderr, "Warning: objdump says %d bytes, but "
"insn_get_length() says %d\n", nb,
insn.length);
pr_warn("Found an x86 instruction decoder bug, "
"please report this.\n", sym);
pr_warn("%s", line);
pr_warn("objdump says %d bytes, but insn_get_length() "
"says %d\n", nb, insn.length);
if (verbose)
dump_insn(stderr, &insn);
}
}
if (warnings)
fprintf(stderr, "Warning: decoded and checked %d"
" instructions with %d warnings\n", insns, warnings);
pr_warn("Decoded and checked %d instructions with %d "
"failures\n", insns, warnings);
else
fprintf(stdout, "Success: decoded and checked %d"
" instructions\n", insns);
fprintf(stdout, "%s: success: Decoded and checked %d"
" instructions\n", prog, insns);
return 0;
}