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Diffstat (limited to 'pttc/src/main.c')
| -rw-r--r-- | pttc/src/main.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/pttc/src/main.c b/pttc/src/main.c new file mode 100644 index 0000000000000..ee3baae43a8ec --- /dev/null +++ b/pttc/src/main.c @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2013-2018, Intel Corporation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * * Neither the name of Intel Corporation nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "pttc.h" + +#include "pt_cpu.h" + +#include <inttypes.h> +#include <stdio.h> +#include <string.h> + +/* Prints this tools version number and libipt version number on stdout. */ +static void version(const char *prog) +{ + struct pt_version v; + + v = pt_library_version(); + printf("%s-%d.%d.%d%s / libipt-%" PRIu8 ".%" PRIu8 ".%" PRIu32 "%s\n", + prog, PT_VERSION_MAJOR, PT_VERSION_MINOR, PT_VERSION_BUILD, + PT_VERSION_EXT, v.major, v.minor, v.build, v.ext); +} + +/* Prints usage information to stdout. */ +static void help(const char *prog) +{ + printf("usage: %s [<options>] <pttfile>\n\n" + "options:\n" + " --help|-h this text.\n" + " --version display version information and exit.\n" + " --cpu none|auto|f/m[/s] set cpu to the given value and encode according to:\n" + " none spec (default)\n" + " auto current cpu\n" + " f/m[/s] family/model[/stepping]\n" + " <pttfile> the annotated yasm input file.\n", + prog); +} + +int main(int argc, char *argv[]) +{ + struct pttc_options options; + const char *prog; + int errcode, i; + + prog = argv[0]; + memset(&options, 0, sizeof(options)); + + for (i = 1; i < argc;) { + const char *arg; + + arg = argv[i++]; + + if (strcmp(arg, "--help") == 0 || strcmp(arg, "-h") == 0) { + help(prog); + return 0; + } + if (strcmp(arg, "--version") == 0) { + version(prog); + return 0; + } + if (strcmp(arg, "--cpu") == 0) { + arg = argv[i++]; + + if (strcmp(arg, "auto") == 0) { + errcode = pt_cpu_read(&options.cpu); + if (errcode < 0) { + fprintf(stderr, + "%s: error reading cpu: %s.\n", + prog, + pt_errstr(pt_errcode(errcode))); + return 1; + } + continue; + } + + if (strcmp(arg, "none") == 0) { + memset(&options.cpu, 0, sizeof(options.cpu)); + continue; + } + + errcode = pt_cpu_parse(&options.cpu, arg); + if (errcode < 0) { + fprintf(stderr, + "%s: cpu must be specified as f/m[/s].\n", + prog); + return 1; + } + continue; + } + + if (arg[0] == '-') { + fprintf(stderr, "%s: unrecognized option '%s'.\n", + prog, arg); + return 1; + } + + if (options.pttfile) { + fprintf(stderr, + "%s: only one pttfile can be specified.\n", + prog); + return 1; + } + options.pttfile = arg; + } + + if (!options.pttfile) { + fprintf(stderr, "%s: no pttfile specified.\n", prog); + fprintf(stderr, "Try '%s -h' for more information.\n", prog); + return 1; + } + + return pttc_main(&options); +} |