https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71767
--- Comment #56 from Iain Sandoe <iains at gcc dot gnu.org> --- Author: iains Date: Sun Dec 11 16:01:35 2016 New Revision: 243524 URL: https://gcc.gnu.org/viewcvs?rev=243524&root=gcc&view=rev Log: [Darwin] Back-port fix for PR71767. gcc/ 2016-12-11 Iain Sandoe <i...@codesourcery.com> Backport from mainline 2016-11-27 Iain Sandoe <i...@codesourcery.com> PR target/71767 * config/darwin-sections.def (picbase_thunk_section): New. * config/darwin.c (darwin_init_sections): Set up picbase thunk section. (darwin_rodata_section, darwin_objc2_section, machopic_select_section, darwin_asm_declare_constant_name, darwin_emit_weak_or_comdat, darwin_function_section): Don’t use coalesced with newer linkers. (darwin_override_options): Decide on usage of coalesed sections on the basis of the target linker version. * config/darwin.h (MIN_LD64_NO_COAL_SECTS): New. * config/darwin.opt (mtarget-linker): New. * config/i386/i386.c (ix86_code_end): Do not force the thunks into a coalesced section, instead use a thunks section. Backport from mainline 2016-11-28 Iain Sandoe <i...@codesourcery.com> PR target/71767 * configure.ac (with_ld64): Use portable method to extract the major part of the version number. * configure: Regenerated. Backport from mainline 2016-11-27 Iain Sandoe <i...@codesourcery.com> PR target/71767 * configure.ac (with-ld64): New var, set for Darwin, set on detection of ld64, gcc_cv_ld64_export_dynamic: New, New test. * config/darwin.h: Use LD64_HAS_DYNAMIC export. DEF_LD64: New, define. * config/darwin10.h(DEF_LD64): Update for this target version. * config/darwin12.h(LINK_GCC_C_SEQUENCE_SPEC): Remove rdynamic test. (DEF_LD64): Update for this target version. * configure: Regenerated. * config.in: Regenerated. Backport from mainline 2016-11-27 Iain Sandoe <i...@codesourcery.com> PR target/71767 * config/darwin.c (imachopic_indirection_name): Make data section indirections linker-visible. * config/darwin.h (ASM_GENERATE_INTERNAL_LABEL): Make local constant labels linker-visible. gcc/testsuite/ 2016-12-11 Iain Sandoe <i...@codesourcery.com> Backport from mainline 2016-11-27 Dominique d'Humieres <domi...@lps.ens.fr> Iain Sandoe <i...@codesourcery.com> PR target/71767 * g++.dg/abi/key2.C: Adjust for changed Darwin sections and linker-visible symbols. * g++.dg/torture/darwin-cfstring-3.C: Likewise. * gcc.dg/const-uniq-1.c: Likewise. * gcc.dg/torture/darwin-cfstring-3.c: Likewise. * gcc.target/i386/pr70799-1.c: Likewise. Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/config.in branches/gcc-6-branch/gcc/config/darwin-sections.def branches/gcc-6-branch/gcc/config/darwin.c branches/gcc-6-branch/gcc/config/darwin.h branches/gcc-6-branch/gcc/config/darwin.opt branches/gcc-6-branch/gcc/config/darwin10.h branches/gcc-6-branch/gcc/config/darwin12.h branches/gcc-6-branch/gcc/config/i386/i386.c branches/gcc-6-branch/gcc/configure branches/gcc-6-branch/gcc/configure.ac branches/gcc-6-branch/gcc/testsuite/ChangeLog branches/gcc-6-branch/gcc/testsuite/g++.dg/abi/key2.C branches/gcc-6-branch/gcc/testsuite/g++.dg/torture/darwin-cfstring-3.C branches/gcc-6-branch/gcc/testsuite/gcc.dg/const-uniq-1.c branches/gcc-6-branch/gcc/testsuite/gcc.dg/torture/darwin-cfstring-3.c
