diff options
Diffstat (limited to 'main.cxx')
| -rw-r--r-- | main.cxx | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -152,6 +152,9 @@ usage (systemtap_session& s, int exitcode) #endif // Formerly present --ignore-{vmlinux,dwarf} options are for testsuite use // only, and don't belong in the eyesight of a plain user. + << " --compatible=VERSION" << endl + << " suppress incompatible language/tapset changes beyond VERSION," << endl + << " instead of " << s.compatible << endl << " --skip-badvars" << endl << " substitute zero for bad context $variables" << endl << endl @@ -609,6 +612,7 @@ main (int argc, char * const argv []) s.skip_badvars = false; s.unprivileged = false; s.omit_werror = false; + s.compatible = VERSION; // XXX: perhaps also process GIT_SHAID if available? bool client_options = false; string client_options_disallowed; @@ -699,6 +703,7 @@ main (int argc, char * const argv []) #define LONG_OPT_DISABLE_CACHE 11 #define LONG_OPT_POISON_CACHE 12 #define LONG_OPT_CLEAN_CACHE 13 +#define LONG_OPT_COMPATIBLE 14 // NB: also see find_hash(), usage(), switch stmt below, stap.1 man page static struct option long_options[] = { { "kelf", 0, &long_opt, LONG_OPT_KELF }, @@ -720,6 +725,7 @@ main (int argc, char * const argv []) { "disable-cache", 0, &long_opt, LONG_OPT_DISABLE_CACHE }, { "poison-cache", 0, &long_opt, LONG_OPT_POISON_CACHE }, { "clean-cache", 0, &long_opt, LONG_OPT_CLEAN_CACHE }, + { "compatible", 1, &long_opt, LONG_OPT_COMPATIBLE }, { NULL, 0, NULL, 0 } }; int grc = getopt_long (argc, argv, "hVvtp:I:e:o:R:r:a:m:kgPc:x:D:bs:uqwl:d:L:FS:B:W", @@ -1038,12 +1044,20 @@ main (int argc, char * const argv []) clean_cache(s); exit(0); + case LONG_OPT_COMPATIBLE: + s.compatible = optarg; + break; + default: + // NOTREACHED unless one added a getopt option but not a corresponding switch/case: + cerr << "Unhandled long argument id " << long_opt << endl; exit(1); } break; default: + // NOTREACHED unless one added a getopt option but not a corresponding switch/case: + cerr << "Unhandled argument code " << (char)grc << endl; exit(1); break; } |