diff options
Diffstat (limited to 'arch/x86/tools/insn_sanity.c')
| -rw-r--r-- | arch/x86/tools/insn_sanity.c | 43 |
1 files changed, 15 insertions, 28 deletions
diff --git a/arch/x86/tools/insn_sanity.c b/arch/x86/tools/insn_sanity.c index 1972565ab106..185ceba9d289 100644 --- a/arch/x86/tools/insn_sanity.c +++ b/arch/x86/tools/insn_sanity.c @@ -1,20 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * x86 decoder sanity test - based on test_get_insn.c * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * * Copyright (C) IBM Corporation, 2009 * Copyright (C) Hitachi, Ltd., 2011 */ @@ -96,7 +83,7 @@ static void dump_insn(FILE *fp, struct insn *insn) } static void dump_stream(FILE *fp, const char *msg, unsigned long nr_iter, - unsigned char *insn_buf, struct insn *insn) + unsigned char *insn_buff, struct insn *insn) { int i; @@ -109,7 +96,7 @@ static void dump_stream(FILE *fp, const char *msg, unsigned long nr_iter, /* Input a decoded instruction sequence directly */ fprintf(fp, " $ echo "); for (i = 0; i < MAX_INSN_SIZE; i++) - fprintf(fp, " %02x", insn_buf[i]); + fprintf(fp, " %02x", insn_buff[i]); fprintf(fp, " | %s -i -\n", prog); if (!input_file) { @@ -137,7 +124,7 @@ fail: } /* Read given instruction sequence from the input file */ -static int read_next_insn(unsigned char *insn_buf) +static int read_next_insn(unsigned char *insn_buff) { char buf[256] = "", *tmp; int i; @@ -147,7 +134,7 @@ static int read_next_insn(unsigned char *insn_buf) return 0; for (i = 0; i < MAX_INSN_SIZE; i++) { - insn_buf[i] = (unsigned char)strtoul(tmp, &tmp, 16); + insn_buff[i] = (unsigned char)strtoul(tmp, &tmp, 16); if (*tmp != ' ') break; } @@ -155,19 +142,19 @@ static int read_next_insn(unsigned char *insn_buf) return i; } -static int generate_insn(unsigned char *insn_buf) +static int generate_insn(unsigned char *insn_buff) { int i; if (input_file) - return read_next_insn(insn_buf); + return read_next_insn(insn_buff); /* Fills buffer with random binary up to MAX_INSN_SIZE */ for (i = 0; i < MAX_INSN_SIZE - 1; i += 2) - *(unsigned short *)(&insn_buf[i]) = random() & 0xffff; + *(unsigned short *)(&insn_buff[i]) = random() & 0xffff; while (i < MAX_INSN_SIZE) - insn_buf[i++] = random() & 0xff; + insn_buff[i++] = random() & 0xff; return i; } @@ -239,31 +226,31 @@ int main(int argc, char **argv) int insns = 0; int errors = 0; unsigned long i; - unsigned char insn_buf[MAX_INSN_SIZE * 2]; + unsigned char insn_buff[MAX_INSN_SIZE * 2]; parse_args(argc, argv); /* Prepare stop bytes with NOPs */ - memset(insn_buf + MAX_INSN_SIZE, INSN_NOP, MAX_INSN_SIZE); + memset(insn_buff + MAX_INSN_SIZE, INSN_NOP, MAX_INSN_SIZE); for (i = 0; i < iter_end; i++) { - if (generate_insn(insn_buf) <= 0) + if (generate_insn(insn_buff) <= 0) break; if (i < iter_start) /* Skip to given iteration number */ continue; /* Decode an instruction */ - insn_init(&insn, insn_buf, sizeof(insn_buf), x86_64); + insn_init(&insn, insn_buff, sizeof(insn_buff), x86_64); insn_get_length(&insn); 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_buf, &insn); + dump_stream(stderr, "Error: Found an access violation", i, insn_buff, &insn); errors++; } else if (verbose && !insn_complete(&insn)) - dump_stream(stdout, "Info: Found an undecodable input", i, insn_buf, &insn); + dump_stream(stdout, "Info: Found an undecodable input", i, insn_buff, &insn); else if (verbose >= 2) dump_insn(stdout, &insn); insns++; |