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From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/65886] New: [5/6 Regression] External reference in PIE to DSO created with -Wl,-Bsymbolic Date: Sat, 25 Apr 2015 13:45:00 -0000 [thread overview] Message-ID: <bug-65886-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65886 Bug ID: 65886 Summary: [5/6 Regression] External reference in PIE to DSO created with -Wl,-Bsymbolic Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: hjl.tools at gmail dot com Copy relocation in PIE is incompatible with DSO created with -Wl,-Bsymbolic: [hjl@gnu-tools-1 copyreloc-2]$ cat x.c extern int a; extern int *a_p (void); extern void bar (void); extern void *bar_p (void); int main() { if (bar_p () != &bar) __builtin_abort(); if (a_p () != &a) __builtin_abort(); bar (); if (a != 30) __builtin_abort(); return 0; } [hjl@gnu-tools-1 copyreloc-2]$ cat bar.c int a; void bar () { a = 30; } void * bar_p () { return &bar; } int * a_p () { return &a; } [hjl@gnu-tools-1 copyreloc-2]$ make /export/build/gnu/gcc-5/build-x86_64-linux/gcc/xgcc -B/export/build/gnu/gcc-5/build-x86_64-linux/gcc/ -g -O2 -fPIE -c -o x.o x.c /export/build/gnu/gcc-5/build-x86_64-linux/gcc/xgcc -B/export/build/gnu/gcc-5/build-x86_64-linux/gcc/ -g -O2 -fPIC -c -o bar.o bar.c /export/build/gnu/gcc-5/build-x86_64-linux/gcc/xgcc -B/export/build/gnu/gcc-5/build-x86_64-linux/gcc/ -Wl,-Bsymbolic -shared -o libbar.so bar.o /export/build/gnu/gcc-5/build-x86_64-linux/gcc/xgcc -B/export/build/gnu/gcc-5/build-x86_64-linux/gcc/ -pie -o x x.o libbar.so -Wl,-rpath,. ./x Makefile:13: recipe for target 'all' failed make: *** [all] Aborted (core dumped) [hjl@gnu-tools-1 copyreloc-2]$
next reply other threads:[~2015-04-25 13:45 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-04-25 13:45 hjl.tools at gmail dot com [this message] 2015-04-25 13:46 ` [Bug target/65886] " hjl.tools at gmail dot com 2015-04-25 15:47 ` [Bug target/65886] [5/6 Regression] External reference in PIE incompatible with DSO created by -Wl,-Bsymbolic hjl.tools at gmail dot com 2015-04-25 16:33 ` hjl.tools at gmail dot com 2015-04-25 16:51 ` [Bug target/65886] [5/6 Regression] Copy reloc " thiago at kde dot org 2015-04-25 17:06 ` hjl.tools at gmail dot com 2015-04-25 17:08 ` hjl.tools at gmail dot com 2015-04-25 17:25 ` hjl.tools at gmail dot com 2015-04-25 17:30 ` thiago at kde dot org 2015-04-25 17:37 ` hjl.tools at gmail dot com 2015-04-25 17:42 ` hjl.tools at gmail dot com 2015-04-27 9:05 ` rguenth at gcc dot gnu.org 2015-04-27 12:14 ` jakub at gcc dot gnu.org 2015-04-27 12:22 ` hjl.tools at gmail dot com 2015-04-27 12:37 ` jakub at gcc dot gnu.org 2015-04-27 12:44 ` hjl.tools at gmail dot com 2015-04-27 13:14 ` hjl.tools at gmail dot com 2015-04-27 13:51 ` jakub at gcc dot gnu.org 2015-04-27 19:18 ` thiago at kde dot org 2015-04-29 19:05 ` hjl.tools at gmail dot com 2015-04-29 19:06 ` hjl.tools at gmail dot com 2015-05-05 15:03 ` thiago at kde dot org 2015-05-05 15:09 ` hjl.tools at gmail dot com 2015-05-05 15:12 ` jakub at gcc dot gnu.org 2015-05-05 15:14 ` jakub at gcc dot gnu.org 2015-05-05 15:38 ` hjl.tools at gmail dot com 2015-05-05 15:47 ` jakub at gcc dot gnu.org 2015-05-05 15:48 ` thiago at kde dot org 2015-05-05 15:54 ` thiago at kde dot org 2015-06-30 10:32 ` rguenth at gcc dot gnu.org 2015-07-16 9:17 ` rguenth at gcc dot gnu.org 2015-08-06 18:06 ` thiago at kde dot org 2015-08-06 18:24 ` hjl.tools at gmail dot com 2015-08-06 18:27 ` thiago at kde dot org
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