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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/94417] -fcf-protection -mcmodel=large/-mforce-indirect-call is broken Date: Wed, 08 Apr 2020 16:48:36 +0000 [thread overview] Message-ID: <bug-94417-4-F8hNZ5E1Ro@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-94417-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94417 --- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by H.J. Lu <hjl@gcc.gnu.org>: https://gcc.gnu.org/g:c5f379653964a1d2c7037b2de3e947a48370a198 commit r10-7633-gc5f379653964a1d2c7037b2de3e947a48370a198 Author: H.J. Lu <hjl.tools@gmail.com> Date: Wed Apr 8 09:47:35 2020 -0700 x86: Insert ENDBR if function will be called indirectly Since constant_call_address_operand has ;; Test for a pc-relative call operand (define_predicate "constant_call_address_operand" (match_code "symbol_ref") { if (ix86_cmodel == CM_LARGE || ix86_cmodel == CM_LARGE_PIC || flag_force_indirect_call) return false; if (TARGET_DLLIMPORT_DECL_ATTRIBUTES && SYMBOL_REF_DLLIMPORT_P (op)) return false; return true; }) even if cgraph_node::get (cfun->decl)->only_called_directly_p () returns false, the fuction may still be called indirectly. Copy the logic from constant_call_address_operand to rest_of_insert_endbranch to insert ENDBR at function entry if function will be called indirectly. gcc/ PR target/94417 * config/i386/i386-features.c (rest_of_insert_endbranch): Insert ENDBR at function entry if function will be called indirectly. gcc/testsuite/ PR target/94417 * gcc.target/i386/pr94417-1.c: New test. * gcc.target/i386/pr94417-2.c: Likewise. * gcc.target/i386/pr94417-3.c: Likewise.
next prev parent reply other threads:[~2020-04-08 16:48 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-03-30 23:37 [Bug target/94417] New: -fcf-protection -mcmodel=large " hjl.tools at gmail dot com 2020-03-31 5:30 ` [Bug target/94417] -fcf-protection -mcmodel=large/-mforce-indirect-call " hjl.tools at gmail dot com 2020-03-31 5:36 ` hjl.tools at gmail dot com 2020-03-31 15:12 ` hjl.tools at gmail dot com 2020-04-08 16:48 ` cvs-commit at gcc dot gnu.org [this message] 2020-04-08 16:52 ` hjl.tools at gmail dot com 2020-04-17 22:24 ` cvs-commit at gcc dot gnu.org 2020-04-17 22:33 ` cvs-commit at gcc dot gnu.org 2020-04-17 22:34 ` hjl.tools at gmail dot com
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