diff options
Diffstat (limited to 'gcc/config/darwin.h')
| -rw-r--r-- | gcc/config/darwin.h | 47 |
1 files changed, 35 insertions, 12 deletions
diff --git a/gcc/config/darwin.h b/gcc/config/darwin.h index c18659f2c9c..b1f13b6e3a8 100644 --- a/gcc/config/darwin.h +++ b/gcc/config/darwin.h @@ -129,6 +129,24 @@ extern GTY(()) int darwin_ms_struct; "%{gsplit-dwarf:%ngsplit-dwarf is not supported on this platform } \ %<gsplit-dwarf" +#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 " \ @@ -159,6 +177,16 @@ 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. @@ -167,18 +195,12 @@ 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)" \ LINK_PLUGIN_SPEC \ "%{flto*:%<fcompare-debug*} \ - %{flto*} \ + %{flto} %{fno-lto} %{flto=*} \ %l " LINK_COMPRESS_DEBUG_SPEC \ "%X %{s} %{t} %{Z} %{u*} \ %{e*} %{r} \ @@ -193,10 +215,14 @@ 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" @@ -233,8 +259,6 @@ 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, @@ -298,7 +322,6 @@ 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*} \ |