{"id":2349,"date":"2015-12-23T11:31:20","date_gmt":"2015-12-23T11:31:20","guid":{"rendered":"https:\/\/raspberry-projects.com\/pi\/?p=2349"},"modified":"2015-12-23T11:31:20","modified_gmt":"2015-12-23T11:31:20","slug":"sigill-etc-errors","status":"publish","type":"post","link":"https:\/\/raspberry-projects.com\/pi\/programming-in-c\/troubleshooting-programming-in-c\/sigill-etc-errors","title":{"rendered":"SIGILL etc errors"},"content":{"rendered":"<h4>\nSIGILL&nbsp;occurs before the main() fucntion has even been called!<br \/>\n<\/h4>\n<p>\nIf you get a SIGILL&nbsp;when starting&nbsp;debugging it can be&nbsp;because one of the libraries is doing a runtime check to see what instructions are supported and they can&nbsp;do it by installing a trap and attempting to execute a possibly illegal instruction. When debugging the debugger picks the illegal instruction up rather than the temporary one that the library installed.\n<\/p>\n<p>\nFirst ensure you&#39;ve updated+upgraded Linux to make sure everything is&nbsp;up to date, this may well fix it.\n<\/p>\n<p>\nIf not you can try telling the debugger to ignore it and continue without any problems by&nbsp;giving&nbsp;gdb the following instruction before running the program it will let the program deal with it:\n<\/p>\n<p style=\"margin-left: 40px;\">\nhandle SIGILL pass nostop noprint\n<\/p>\n<p>\n&nbsp;\n<\/p>\n<p>\n&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SIGILL&nbsp;occurs before the main() fucntion has even been called! If you get a SIGILL&nbsp;when starting&nbsp;debugging it can be&nbsp;because one of the libraries is doing a runtime check to see what instructions are supported and they can&nbsp;do it by installing a trap and attempting to execute a possibly illegal instruction. When debugging the debugger picks the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[116],"tags":[],"class_list":["post-2349","post","type-post","status-publish","format-standard","hentry","category-troubleshooting-programming-in-c"],"_links":{"self":[{"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/posts\/2349","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/comments?post=2349"}],"version-history":[{"count":1,"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/posts\/2349\/revisions"}],"predecessor-version":[{"id":2350,"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/posts\/2349\/revisions\/2350"}],"wp:attachment":[{"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/media?parent=2349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/categories?post=2349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/tags?post=2349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}