diff options
| -rw-r--r-- | gcc/ChangeLog | 26 | ||||
| -rw-r--r-- | gcc/config/darwin.h | 45 | ||||
| -rw-r--r-- | gcc/config/darwin10.h | 12 | ||||
| -rw-r--r-- | gcc/config/darwin9.h | 6 |
4 files changed, 64 insertions, 25 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b1f3922e413..40d9b16dc48 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,29 @@ +2019-10-29 Iain Sandoe <iain@sandoe.co.uk> + + Backport from mainline + 2019-07-03 Iain Sandoe <iain@sandoe.co.uk> + + * config/darwin.h (DRIVER_SELF_SPECS): Remove the linker cases. + (RDYNAMIC): Rename to, DARWIN_RDYNAMIC. + (DARWIN_PIE_SPEC, DARWIN_NOPIE_SPEC): Adjust to remove the Xlinker + clauses. + (LINK_COMMAND_SPEC_A): Add DARWIN_RDYNAMIC, DARWIN_PIE_SPEC and + DARWIN_NOPIE_SPEC. + + Backport from mainline + 2019-06-19 Iain Sandoe <iain@sandoe.co.uk> + + * config/darwin.h (DRIVER_SELF_SPECS): Add RDYNAMIC, DARWIN_PIE_SPEC + and DARWIN_NOPIE_SPEC. + (RDYNAMIC): New, modified from DARWIN_EXPORT_DYNAMIC. + (DARWIN_PIE_SPEC): Collate from darwin.h and darwin9.h. + (DARWIN_NOPIE_SPEC): Collate from darwin10.h. + (DARWIN_NOCOMPACT_UNWIND): New from darwin10.h + (DARWIN_EXPORT_DYNAMIC): Delete. + * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move no_compact_unwind + and pie options processing to darwin.h. + * config/darwin9.h (DARWIN_PIE_SPEC): Move pie processing to darwin.h + 2019-10-25 Richard Earnshaw <rearnsha@arm.com> Backport from mainline diff --git a/gcc/config/darwin.h b/gcc/config/darwin.h index ca8dc9b4eed..1af74af342e 100644 --- a/gcc/config/darwin.h +++ b/gcc/config/darwin.h @@ -127,6 +127,24 @@ extern GTY(()) int darwin_ms_struct; "%{fapple-kext|mkernel:-static}", \ "%{shared:-Zdynamiclib} %<shared" +#if LD64_HAS_EXPORT_DYNAMIC +#define DARWIN_RDYNAMIC "%{rdynamic:-export_dynamic}" +#else +#define DARWIN_RDYNAMIC "%{rdynamic:%nrdynamic is not supported}" +#endif + +/* FIXME: we should check that the linker supports the -pie and -no_pie. + options. */ +#define DARWIN_PIE_SPEC \ +"%{pie|fpie|fPIE:\ + %{mdynamic-no-pic: \ + %n'-mdynamic-no-pic' overrides '-pie', '-fpie' or '-fPIE'; \ + :%:version-compare(>= 10.5 mmacosx-version-min= -pie) }} " + +#define DARWIN_NOPIE_SPEC \ +"%{no-pie|fno-pie|fno-PIE: \ + %:version-compare(>= 10.7 mmacosx-version-min= -no_pie) }" + #define DARWIN_CC1_SPEC \ "%{findirect-virtual-calls: -fapple-kext} %<findirect-virtual-calls " \ "%{fterminated-vtables: -fapple-kext} %<fterminated-vtables " \ @@ -157,6 +175,16 @@ extern GTY(()) int darwin_ms_struct; #define CPP_SPEC "%{static:%{!dynamic:-D__STATIC__}}%{!static:-D__DYNAMIC__}" \ " %{pthread:-D_REENTRANT}" +/* This is a fix for PR41260 by passing -no_compact_unwind on darwin10 and + later until the assembler, linker and libunwind are able to deal with the + output from GCC. + + FIXME: we should check that the linker supports the option. +*/ + +#define DARWIN_NOCOMPACT_UNWIND \ +" %:version-compare(>= 10.6 mmacosx-version-min= -no_compact_unwind) " + /* This is mostly a clone of the standard LINK_COMMAND_SPEC, plus precomp, libtool, and fat build additions. @@ -165,12 +193,6 @@ extern GTY(()) int darwin_ms_struct; specifying the handling of options understood by generic Unix linkers, and for positional arguments like libraries. */ -#if LD64_HAS_EXPORT_DYNAMIC -#define DARWIN_EXPORT_DYNAMIC " %{rdynamic:-export_dynamic}" -#else -#define DARWIN_EXPORT_DYNAMIC " %{rdynamic: %nrdynamic is not supported}" -#endif - #define LINK_COMMAND_SPEC_A \ "%{!fdump=*:%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\ %(linker)" \ @@ -192,10 +214,14 @@ extern GTY(()) int darwin_ms_struct; %{%:sanitize(address): -lasan } \ %{%:sanitize(undefined): -lubsan } \ %(link_ssp) \ - " DARWIN_EXPORT_DYNAMIC " %<rdynamic \ %(link_gcc_c_sequence) \ }}\ - %{!nostdlib:%{!nostartfiles:%E}} %{T*} %{F*} }}}}}}}" + %{!nostdlib:%{!r:%{!nostartfiles:%E}}} %{T*} %{F*} "\ + DARWIN_PIE_SPEC \ + DARWIN_NOPIE_SPEC \ + DARWIN_RDYNAMIC \ + DARWIN_NOCOMPACT_UNWIND \ + "}}}}}}} %<pie %<no-pie %<rdynamic " #define DSYMUTIL "\ndsymutil" @@ -232,8 +258,6 @@ extern GTY(()) int darwin_ms_struct; #define STANDARD_STARTFILE_PREFIX_1 "" #define STANDARD_STARTFILE_PREFIX_2 "" -#define DARWIN_PIE_SPEC "%{fpie|pie|fPIE:}" - /* Please keep the random linker options in alphabetical order (modulo 'Z' and 'no' prefixes). Note that options taking arguments may appear multiple times on a command line with different arguments each time, @@ -297,7 +321,6 @@ extern GTY(()) int darwin_ms_struct; %:version-compare(< 10.5 mmacosx-version-min= -multiply_defined) \ %:version-compare(< 10.5 mmacosx-version-min= suppress)}} \ %{Zmultiplydefinedunused*:-multiply_defined_unused %*} \ - " DARWIN_PIE_SPEC " \ %{prebind} %{noprebind} %{nofixprebinding} %{prebind_all_twolevel_modules} \ %{read_only_relocs} \ %{sectcreate*} %{sectorder*} %{seg1addr*} %{segprot*} \ diff --git a/gcc/config/darwin10.h b/gcc/config/darwin10.h index f24b1257d26..c6ab3fd760c 100644 --- a/gcc/config/darwin10.h +++ b/gcc/config/darwin10.h @@ -18,17 +18,13 @@ You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ -/* Fix PR41260 by passing -no_compact_unwind on darwin10 and later until - unwinder in libSystem is fixed to digest new epilog unwinding notes. +/* Fix PR47558 by linking against libSystem ahead of libgcc_ext. */ - Fix PR47558 by linking against libSystem ahead of libgcc_ext. */ #undef LINK_GCC_C_SEQUENCE_SPEC #define LINK_GCC_C_SEQUENCE_SPEC \ -"%:version-compare(>= 10.6 mmacosx-version-min= -no_compact_unwind) \ - %{!static:%{!static-libgcc: \ - %:version-compare(>= 10.6 mmacosx-version-min= -lSystem) } } \ - %{fno-pic|fno-PIC|fno-pie|fno-PIE|fapple-kext|mkernel|static|mdynamic-no-pic: \ - %:version-compare(>= 10.7 mmacosx-version-min= -no_pie) } %G %L" +"%{!static:%{!static-libgcc: \ + %:version-compare(>= 10.6 mmacosx-version-min= -lSystem) } } \ + %G %L" #undef DEF_MIN_OSX_VERSION #define DEF_MIN_OSX_VERSION "10.6" diff --git a/gcc/config/darwin9.h b/gcc/config/darwin9.h index 7e9165823b7..a457c09559a 100644 --- a/gcc/config/darwin9.h +++ b/gcc/config/darwin9.h @@ -35,12 +35,6 @@ along with GCC; see the file COPYING3. If not see /* Tell collect2 to run dsymutil for us as necessary. */ #define COLLECT_RUN_DSYMUTIL 1 -#undef DARWIN_PIE_SPEC -#define DARWIN_PIE_SPEC \ - "%{fpie|pie|fPIE: \ - %{mdynamic-no-pic: %n'-mdynamic-no-pic' overrides '-pie', '-fpie' or '-fPIE'; \ - :-pie}}" - /* Only ask as for debug data if the debug style is stabs (since as doesn't yet generate dwarf.) */ |