configure.in (HAVE_LD_PIE): Check for ld -pie.
* configure.in (HAVE_LD_PIE): Check for ld -pie. * config.in: Rebuilt. * configure: Rebuilt. * toplev.c (flag_pie, flag_shlib): New variables. (f_options): Add -fpie and -fPIE. (parse_options_and_default_flags): Set flag_pic if -fpie/-fPIE. Set flag_shlib if flag_pic and not -fpie/-fPIE. * flags.h (flag_pic, flag_shlib): Add. * varasm.c (default_binds_local_p): Use flag_shlib instead of flag_pic. * gcc.c (LINK_PIE_SPEC): Define. (LINK_COMMAND_SPEC): Use LINK_PIE_SPEC. (option_map): Add --pie -> -pie mapping. * config/sol2.h (ASM_SPEC): Handle -fpie the same way as -fpic and -fPIE the same way as -fPIC. * config/openbsd.h (ASM_SPEC): Likewise. * config/frv/frv.h (ASM_SPEC): Likewise. * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Likewise. * config/arm/semi.h (ASM_SPEC): Likewise. * config/arm/netbsd-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise. * config/freebsd-spec.h (FBSD_CPP_SPEC): Likewise. * config/i386/beos-elf.h (CC1_SPEC): Likewise. * config/i386/freebsd-aout.h (ASM_SPEC): Likewise. * config/m68k/linux.h (CPP_SPEC): Likewise. * config/m68k/netbsd.h (ASM_SPEC): Likewise. * config/m68k/openbsd.h (ASM_SPEC): Likewise. * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise. * config/mips/linux.h (SUBTARGET_CPP_SPEC): Likewise. * config/mips/openbsd.h (SUBTARGET_ASM_SPEC): Likewise. * config/pa/pa-linux.h (CPP_SPEC): Likewise. * config/netbsd-aout.h (ASM_SPEC): Likewise. * config/rs6000/sysv4.h (ASM_SPEC, CPP_SYSV_SPEC): Likewise. * config/rs6000/vxworks.h (CPP_SPEC): Likewise. * config/sparc/linux.h (CPP_SUBTARGET_SPEC, ASM_SPEC): Likewise. * config/sparc/linux64.h (CPP_SUBTARGET_SPEC, ASM_SPEC): Likewise. * config/sparc/sparc.h (ASM_SPEC): Likewise. * config/sparc/sp64-elf.h (ASM_SPEC): Likewise. * config/sparc/sysv4.h (ASM_SPEC): Likewise. * config/sparc/netbsd-elf.h (ASM_SPEC): Likewise. * config/sparc/openbsd64.h (ASM_SPEC): Likewise. * config/cris/linux.h (CRIS_ASM_SUBTARGET_SPEC): Likewise. * config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Handle -pie. Simplify. * config/alpha/elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise. * config/i386/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise. * config/ia64/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise. * config/rs6000/sysv4.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise. * config/rs6000/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise. * config/sparc/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise. * config/sparc/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise. * doc/invoke.texi: Document -pie, -fpie and -fPIE options. From-SVN: r67359
This commit is contained in:
Jakub Jelinek
Jakub Jelinek
parent
8fd3cf4e17
commit
24a4dd31f8
|
|
@ -1,3 +1,57 @@
|
|||
2003-06-03 Jakub Jelinek <jakub@redhat.com>
|
||||
|
||||
* configure.in (HAVE_LD_PIE): Check for ld -pie.
|
||||
* config.in: Rebuilt.
|
||||
* configure: Rebuilt.
|
||||
* toplev.c (flag_pie, flag_shlib): New variables.
|
||||
(f_options): Add -fpie and -fPIE.
|
||||
(parse_options_and_default_flags): Set flag_pic if -fpie/-fPIE.
|
||||
Set flag_shlib if flag_pic and not -fpie/-fPIE.
|
||||
* flags.h (flag_pic, flag_shlib): Add.
|
||||
* varasm.c (default_binds_local_p): Use flag_shlib instead of
|
||||
flag_pic.
|
||||
* gcc.c (LINK_PIE_SPEC): Define.
|
||||
(LINK_COMMAND_SPEC): Use LINK_PIE_SPEC.
|
||||
(option_map): Add --pie -> -pie mapping.
|
||||
* config/sol2.h (ASM_SPEC): Handle -fpie the same way as -fpic
|
||||
and -fPIE the same way as -fPIC.
|
||||
* config/openbsd.h (ASM_SPEC): Likewise.
|
||||
* config/frv/frv.h (ASM_SPEC): Likewise.
|
||||
* config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Likewise.
|
||||
* config/arm/semi.h (ASM_SPEC): Likewise.
|
||||
* config/arm/netbsd-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
|
||||
* config/freebsd-spec.h (FBSD_CPP_SPEC): Likewise.
|
||||
* config/i386/beos-elf.h (CC1_SPEC): Likewise.
|
||||
* config/i386/freebsd-aout.h (ASM_SPEC): Likewise.
|
||||
* config/m68k/linux.h (CPP_SPEC): Likewise.
|
||||
* config/m68k/netbsd.h (ASM_SPEC): Likewise.
|
||||
* config/m68k/openbsd.h (ASM_SPEC): Likewise.
|
||||
* config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
|
||||
* config/mips/linux.h (SUBTARGET_CPP_SPEC): Likewise.
|
||||
* config/mips/openbsd.h (SUBTARGET_ASM_SPEC): Likewise.
|
||||
* config/pa/pa-linux.h (CPP_SPEC): Likewise.
|
||||
* config/netbsd-aout.h (ASM_SPEC): Likewise.
|
||||
* config/rs6000/sysv4.h (ASM_SPEC, CPP_SYSV_SPEC): Likewise.
|
||||
* config/rs6000/vxworks.h (CPP_SPEC): Likewise.
|
||||
* config/sparc/linux.h (CPP_SUBTARGET_SPEC, ASM_SPEC): Likewise.
|
||||
* config/sparc/linux64.h (CPP_SUBTARGET_SPEC, ASM_SPEC): Likewise.
|
||||
* config/sparc/sparc.h (ASM_SPEC): Likewise.
|
||||
* config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
|
||||
* config/sparc/sysv4.h (ASM_SPEC): Likewise.
|
||||
* config/sparc/netbsd-elf.h (ASM_SPEC): Likewise.
|
||||
* config/sparc/openbsd64.h (ASM_SPEC): Likewise.
|
||||
* config/cris/linux.h (CRIS_ASM_SUBTARGET_SPEC): Likewise.
|
||||
* config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Handle -pie.
|
||||
Simplify.
|
||||
* config/alpha/elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
|
||||
* config/i386/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
|
||||
* config/ia64/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
|
||||
* config/rs6000/sysv4.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
|
||||
* config/rs6000/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
|
||||
* config/sparc/linux.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
|
||||
* config/sparc/linux64.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.
|
||||
* doc/invoke.texi: Document -pie, -fpie and -fPIE options.
|
||||
|
||||
2003-06-03 Jakub Jelinek <jakub@redhat.com>
|
||||
|
||||
* builtins.c (expand_builtin_memcpy): Remove endp argument and endp
|
||||
|
|
|
|||
|
|
@ -631,6 +631,9 @@
|
|||
/* Define if your linker supports --eh-frame-hdr option. */
|
||||
#undef HAVE_LD_EH_FRAME_HDR
|
||||
|
||||
/* Define if your linker supports -pie option. */
|
||||
#undef HAVE_LD_PIE
|
||||
|
||||
/* Define if your MIPS libgloss linker scripts consistently include STARTUP directives. */
|
||||
#undef HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES
|
||||
|
||||
|
|
|
|||
|
|
@ -413,11 +413,15 @@ void FN () \
|
|||
before entering `main'. */
|
||||
|
||||
#undef STARTFILE_SPEC
|
||||
#ifdef HAVE_LD_PIE
|
||||
#define STARTFILE_SPEC \
|
||||
"%{!shared: \
|
||||
%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
|
||||
crti.o%s %{static:crtbeginT.o%s}\
|
||||
%{!static:%{shared:crtbeginS.o%s}%{!shared:crtbegin.o%s}}"
|
||||
"%{!shared: %{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
|
||||
crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
||||
#else
|
||||
#define STARTFILE_SPEC \
|
||||
"%{!shared: %{pg|p:gcrt1.o%s;:crt1.o%s}}\
|
||||
crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
||||
#endif
|
||||
|
||||
/* Provide a ENDFILE_SPEC appropriate for ELF. Here we tack on the
|
||||
magical crtend.o file which provides part of the support for
|
||||
|
|
@ -427,7 +431,7 @@ void FN () \
|
|||
#undef ENDFILE_SPEC
|
||||
#define ENDFILE_SPEC \
|
||||
"%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
|
||||
%{shared:crtendS.o%s}%{!shared:crtend.o%s} crtn.o%s"
|
||||
%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
|
||||
|
||||
/* We support #pragma. */
|
||||
#define HANDLE_SYSV_PRAGMA 1
|
||||
|
|
|
|||
|
|
@ -31,7 +31,7 @@
|
|||
#define DEFAULT_SIGNED_CHAR 0
|
||||
|
||||
#undef SUBTARGET_CPP_SPEC
|
||||
#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__}"
|
||||
#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{fPIC|fPIE:-D__PIC__ -D__pic__} %{fpic|fpie:-D__PIC__ -D__pic__}"
|
||||
|
||||
#undef SIZE_TYPE
|
||||
#define SIZE_TYPE "unsigned int"
|
||||
|
|
|
|||
|
|
@ -59,7 +59,7 @@
|
|||
|
||||
#undef SUBTARGET_EXTRA_ASM_SPEC
|
||||
#define SUBTARGET_EXTRA_ASM_SPEC \
|
||||
"-matpcs %{fpic:-k} %{fPIC:-k}"
|
||||
"-matpcs %{fpic|fpie:-k} %{fPIC|fPIE:-k}"
|
||||
|
||||
/* Default floating point model is soft-VFP.
|
||||
FIXME: -mhard-float currently implies FPA. */
|
||||
|
|
|
|||
|
|
@ -59,7 +59,7 @@
|
|||
binutils can't. */
|
||||
#ifndef ASM_SPEC
|
||||
#define ASM_SPEC "\
|
||||
%{fpic: -k} %{fPIC: -k} \
|
||||
%{fpic|fpie: -k} %{fPIC|fPIE: -k} \
|
||||
%{mbig-endian:-EB} \
|
||||
%{mcpu=*:-mcpu=%*} \
|
||||
%{march=*:-march=%*} \
|
||||
|
|
|
|||
|
|
@ -60,7 +60,7 @@ Boston, MA 02111-1307, USA. */
|
|||
#define CRIS_ASM_SUBTARGET_SPEC \
|
||||
"--em=criself\
|
||||
%{!fleading-underscore:--no-underscore}\
|
||||
%{fPIC|fpic: --pic}"
|
||||
%{fPIC|fpic|fPIE|fpie: --pic}"
|
||||
|
||||
/* Provide a legacy -mlinux option. */
|
||||
#undef CRIS_SUBTARGET_SWITCHES
|
||||
|
|
|
|||
|
|
@ -78,7 +78,7 @@ Boston, MA 02111-1307, USA. */
|
|||
|
||||
#define FBSD_CPP_SPEC " \
|
||||
%(cpp_cpu) \
|
||||
%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} \
|
||||
%{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} \
|
||||
%{posix:-D_POSIX_SOURCE}"
|
||||
|
||||
/* Provide a STARTFILE_SPEC appropriate for FreeBSD. Here we add
|
||||
|
|
|
|||
|
|
@ -86,7 +86,7 @@
|
|||
%{mmedia} %{mno-media} \
|
||||
%{mmuladd} %{mno-muladd} \
|
||||
%{mpack} %{mno-pack} \
|
||||
%{fpic: -mpic} %{fPIC: -mPIC} %{mlibrary-pic}}"
|
||||
%{fpic|fpie: -mpic} %{fPIC|fPIE: -mPIC} %{mlibrary-pic}}"
|
||||
|
||||
/* Another C string constant used much like `LINK_SPEC'. The difference
|
||||
between the two is that `STARTFILE_SPEC' is used at the very beginning of
|
||||
|
|
|
|||
|
|
@ -78,7 +78,7 @@ Boston, MA 02111-1307, USA. */
|
|||
CC1_SPEC is used for both cc1 and cc1plus. */
|
||||
|
||||
#undef CC1_SPEC
|
||||
#define CC1_SPEC "%{!no-fpic:%{!fPIC:-fpic}} %{!Wmultichar: -Wno-multichar} %(cc1_cpu) %{profile:-p}"
|
||||
#define CC1_SPEC "%{!no-fpic:%{!fno-pic:%{!fno-pie:%{!fpie:%{!fPIC:%{!fPIE:-fpic}}}}}} %{!Wmultichar: -Wno-multichar} %(cc1_cpu) %{profile:-p}"
|
||||
|
||||
#undef CC1PLUS_SPEC
|
||||
#define CC1PLUS_SPEC "%{!Wctor-dtor-privacy:-Wno-ctor-dtor-privacy}"
|
||||
|
|
|
|||
|
|
@ -210,7 +210,7 @@ do { \
|
|||
} while (0)
|
||||
|
||||
#define AS_NEEDS_DASH_FOR_PIPED_INPUT
|
||||
#define ASM_SPEC "%{fpic:-k} %{fPIC:-k}"
|
||||
#define ASM_SPEC "%{fpic|fpie|fPIC|fPIE:-k}"
|
||||
#define LINK_SPEC \
|
||||
"%{p:%e`-p' not supported; use `-pg' and gprof(1)} \
|
||||
%{shared:-Bshareable} \
|
||||
|
|
|
|||
|
|
@ -65,17 +65,6 @@ Boston, MA 02111-1307, USA. */
|
|||
%{!m32:%{!dynamic-linker:-dynamic-linker /lib64/ld-linux-x86-64.so.2}}} \
|
||||
%{static:-static}}"
|
||||
|
||||
#undef STARTFILE_SPEC
|
||||
#define STARTFILE_SPEC \
|
||||
"%{!shared: \
|
||||
%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
|
||||
%{!p:%{profile:gcrt1.o%s} %{!profile:crt1.o%s}}}} \
|
||||
crti.o%s %{static:crtbeginT.o%s} \
|
||||
%{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
|
||||
|
||||
#undef ENDFILE_SPEC
|
||||
#define ENDFILE_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
|
||||
|
||||
#define MULTILIB_DEFAULTS { "m64" }
|
||||
|
||||
/* Do code reading to identify a signal frame, and set the frame
|
||||
|
|
|
|||
|
|
@ -21,18 +21,21 @@ do { \
|
|||
|
||||
/* Need to override linux.h STARTFILE_SPEC, since it has crtbeginT.o in. */
|
||||
#undef STARTFILE_SPEC
|
||||
#ifdef HAVE_LD_PIE
|
||||
#define STARTFILE_SPEC \
|
||||
"%{!shared: \
|
||||
%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
|
||||
%{!p:%{profile:gcrt1.o%s} \
|
||||
%{!profile:crt1.o%s}}}} \
|
||||
crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
|
||||
"%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
|
||||
crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
||||
#else
|
||||
#define STARTFILE_SPEC \
|
||||
"%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}}\
|
||||
crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
||||
#endif
|
||||
|
||||
/* Similar to standard Linux, but adding -ffast-math support. */
|
||||
#undef ENDFILE_SPEC
|
||||
#define ENDFILE_SPEC \
|
||||
"%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
|
||||
%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
|
||||
%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
|
||||
|
||||
/* Define this for shared library support because it isn't in the main
|
||||
linux.h file. */
|
||||
|
|
|
|||
|
|
@ -53,14 +53,14 @@ Boston, MA 02111-1307, USA. */
|
|||
%{!p:%{profile:gcrt1.o%s} \
|
||||
%{!profile:crt1.o%s}}}} \
|
||||
crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
|
||||
#elif defined HAVE_LD_PIE
|
||||
#define STARTFILE_SPEC \
|
||||
"%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
|
||||
crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
||||
#else
|
||||
#define STARTFILE_SPEC \
|
||||
"%{!shared: \
|
||||
%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
|
||||
%{!p:%{profile:gcrt1.o%s} \
|
||||
%{!profile:crt1.o%s}}}} \
|
||||
crti.o%s %{static:crtbeginT.o%s}\
|
||||
%{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
|
||||
"%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
|
||||
crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
||||
#endif
|
||||
|
||||
/* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
|
||||
|
|
@ -71,7 +71,7 @@ Boston, MA 02111-1307, USA. */
|
|||
|
||||
#undef ENDFILE_SPEC
|
||||
#define ENDFILE_SPEC \
|
||||
"%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
|
||||
"%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
|
||||
|
||||
/* This is for -profile to use -lc_p instead of -lc. */
|
||||
#ifndef CC1_SPEC
|
||||
|
|
|
|||
|
|
@ -121,10 +121,10 @@ Boston, MA 02111-1307, USA. */
|
|||
#undef CPP_SPEC
|
||||
#if TARGET_DEFAULT & MASK_68881
|
||||
#define CPP_SPEC \
|
||||
"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{!msoft-float:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
|
||||
"%{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} %{!msoft-float:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
|
||||
#else
|
||||
#define CPP_SPEC \
|
||||
"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{m68881:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
|
||||
"%{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} %{m68881:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
|
||||
#endif
|
||||
|
||||
/* We override the ASM_SPEC from svr4.h because we must pass -m68040 down
|
||||
|
|
|
|||
|
|
@ -105,7 +105,7 @@ Boston, MA 02111-1307, USA. */
|
|||
#define ASM_SPEC \
|
||||
"%(asm_default_spec) \
|
||||
%{m68010} %{m68020} %{m68030} %{m68040} %{m68060} \
|
||||
%{fpic:-k} %{fPIC:-k -K}"
|
||||
%{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
|
||||
|
||||
#define AS_NEEDS_DASH_FOR_PIPED_INPUT
|
||||
|
||||
|
|
|
|||
|
|
@ -31,7 +31,7 @@
|
|||
"%{!msoft-float:-D__HAVE_68881__ -D__HAVE_FPU__} %(netbsd_cpp_spec)"
|
||||
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%{m68030} %{m68040} %{m68060} %{fpic:-k} %{fPIC:-k -K}"
|
||||
#define ASM_SPEC "%{m68030} %{m68040} %{m68060} %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
|
||||
|
||||
#define AS_NEEDS_DASH_FOR_PIPED_INPUT
|
||||
|
||||
|
|
|
|||
|
|
@ -46,7 +46,7 @@ Boston, MA 02111-1307, USA. */
|
|||
|
||||
/* m68k as needs to know about the processor subtype. */
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%{m68030} %{m68040} %{m68060} %{fpic:-k} %{fPIC:-k -K}"
|
||||
#define ASM_SPEC "%{m68030} %{m68040} %{m68060} %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
|
||||
|
||||
#define AS_NEEDS_DASH_FOR_PIPED_INPUT
|
||||
|
||||
|
|
|
|||
|
|
@ -163,7 +163,7 @@ void FN () \
|
|||
#undef SUBTARGET_CPP_SPEC
|
||||
#define SUBTARGET_CPP_SPEC "\
|
||||
%{fno-PIC:-U__PIC__ -U__pic__} %{fno-pic:-U__PIC__ -U__pic__} \
|
||||
%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} \
|
||||
%{fPIC|fPIE|fpic|fpie:-D__PIC__ -D__pic__} \
|
||||
%{pthread:-D_REENTRANT}"
|
||||
|
||||
/* From iris5.h */
|
||||
|
|
|
|||
|
|
@ -21,7 +21,7 @@ Boston, MA 02111-1307, USA. */
|
|||
/* Definitions needed for OpenBSD, to avoid picking mips 'defaults'. */
|
||||
|
||||
/* GAS must know this. */
|
||||
#define SUBTARGET_ASM_SPEC "%{fPIC:-KPIC}"
|
||||
#define SUBTARGET_ASM_SPEC "%{fPIC|fPIE:-KPIC}"
|
||||
|
||||
#define AS_NEEDS_DASH_FOR_PIPED_INPUT
|
||||
|
||||
|
|
|
|||
|
|
@ -39,7 +39,7 @@ Boston, MA 02111-1307, USA. */
|
|||
with the options for generating PIC code. */
|
||||
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%{fpic:-k} %{fPIC:-k -K}"
|
||||
#define ASM_SPEC "%{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
|
||||
|
||||
#define AS_NEEDS_DASH_FOR_PIPED_INPUT
|
||||
|
||||
|
|
|
|||
|
|
@ -106,7 +106,7 @@ Boston, MA 02111-1307, USA. */
|
|||
still uses a special flavor of gas that needs to be told when generating
|
||||
pic code. */
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%{fpic:-k} %{fPIC:-k -K}"
|
||||
#define ASM_SPEC "%{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
|
||||
#endif
|
||||
|
||||
/* Since we use gas, stdin -> - is a good idea. */
|
||||
|
|
|
|||
|
|
@ -66,7 +66,7 @@ Boston, MA 02111-1307, USA. */
|
|||
while (0)
|
||||
|
||||
#undef CPP_SPEC
|
||||
#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
|
||||
#define CPP_SPEC "%{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
|
||||
|
||||
#undef LIB_SPEC
|
||||
#define LIB_SPEC \
|
||||
|
|
|
|||
|
|
@ -215,14 +215,19 @@
|
|||
#endif
|
||||
|
||||
#undef STARTFILE_LINUX_SPEC
|
||||
#ifdef HAVE_LD_PIE
|
||||
#define STARTFILE_LINUX_SPEC "\
|
||||
%{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} crti.o%s \
|
||||
%{static:crtbeginT.o%s} \
|
||||
%{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
|
||||
%{!shared: %{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} crti.o%s \
|
||||
%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
||||
#else
|
||||
#define STARTFILE_LINUX_SPEC "\
|
||||
%{!shared: %{pg|p:gcrt1.o%s;:crt1.o%s}} crti.o%s \
|
||||
%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
||||
#endif
|
||||
|
||||
#undef ENDFILE_LINUX_SPEC
|
||||
#define ENDFILE_LINUX_SPEC "\
|
||||
%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
|
||||
%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
|
||||
|
||||
#undef TOC_SECTION_ASM_OP
|
||||
#define TOC_SECTION_ASM_OP "\t.section\t\".toc\",\"aw\""
|
||||
|
|
|
|||
|
|
@ -810,7 +810,7 @@ extern int fixuplabelno;
|
|||
#define ASM_SPEC "%(asm_cpu) \
|
||||
%{.s: %{mregnames} %{mno-regnames}} %{.S: %{mregnames} %{mno-regnames}} \
|
||||
%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
|
||||
%{mrelocatable} %{mrelocatable-lib} %{fpic:-K PIC} %{fPIC:-K PIC} \
|
||||
%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
|
||||
%{memb|msdata|msdata=eabi: -memb} \
|
||||
%{mlittle|mlittle-endian:-mlittle; \
|
||||
mbig|mbig-endian :-mbig; \
|
||||
|
|
@ -947,8 +947,8 @@ extern int fixuplabelno;
|
|||
|
||||
#define CPP_SYSV_SPEC \
|
||||
"%{mrelocatable*: -D_RELOCATABLE} \
|
||||
%{fpic: -D__PIC__=1 -D__pic__=1} \
|
||||
%{!fpic: %{fPIC: -D__PIC__=2 -D__pic__=2}}"
|
||||
%{fpic|fpie: -D__PIC__=1 -D__pic__=1} \
|
||||
%{!fpic: %{fPIC|fPIE: -D__PIC__=2 -D__pic__=2}}"
|
||||
|
||||
/* Override rs6000.h definition. */
|
||||
#undef CPP_SPEC
|
||||
|
|
@ -1107,12 +1107,16 @@ extern int fixuplabelno;
|
|||
%{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
|
||||
%{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
|
||||
%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
|
||||
#elif defined HAVE_LD_PIE
|
||||
#define STARTFILE_LINUX_SPEC "\
|
||||
%{!shared: %{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
|
||||
%{mnewlib:ecrti.o%s;:crti.o%s} \
|
||||
%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
||||
#else
|
||||
#define STARTFILE_LINUX_SPEC "\
|
||||
%{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
|
||||
%{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
|
||||
%{static:crtbeginT.o%s} \
|
||||
%{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
|
||||
%{!shared: %{pg|p:gcrt1.o%s;:crt1.o%s}} \
|
||||
%{mnewlib:ecrti.o%s;:crti.o%s} \
|
||||
%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
||||
#endif
|
||||
|
||||
#define ENDFILE_LINUX_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
|
||||
|
|
|
|||
|
|
@ -48,8 +48,8 @@
|
|||
t860: -DCPU=PPC860 -D_SOFT_FLOAT ; \
|
||||
: -DCPU=PPC604} \
|
||||
%{!msoft-float:-D__hardfp} \
|
||||
%{fpic: -D__PIC__=1 -D__pic__=1 ; \
|
||||
fPIC: -D__PIC__=2 -D__pic__=2 } \
|
||||
%{fpic|fpie: -D__PIC__=1 -D__pic__=1 ; \
|
||||
fPIC|fPIE: -D__PIC__=2 -D__pic__=2 } \
|
||||
%(cpp_cpu)"
|
||||
|
||||
#define CC1_SPEC \
|
||||
|
|
|
|||
|
|
@ -81,7 +81,7 @@ Boston, MA 02111-1307, USA. */
|
|||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "\
|
||||
%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
|
||||
%{fpic:-K PIC} %{fPIC:-K PIC} \
|
||||
%{fpic|fpie|fPIC|fPIE:-K PIC} \
|
||||
%(asm_cpu) \
|
||||
"
|
||||
|
||||
|
|
|
|||
|
|
@ -57,12 +57,14 @@ Boston, MA 02111-1307, USA. */
|
|||
"%{!shared: \
|
||||
%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
|
||||
crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
|
||||
#elif defined HAVE_LD_PIE
|
||||
#define STARTFILE_SPEC \
|
||||
"%{!shared: %{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
|
||||
crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
||||
#else
|
||||
#define STARTFILE_SPEC \
|
||||
"%{!shared: \
|
||||
%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
|
||||
crti.o%s %{static:crtbeginT.o%s}\
|
||||
%{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
|
||||
"%{!shared: %{pg|p:gcrt1.o%s;:crt1.o%s}}\
|
||||
crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
||||
#endif
|
||||
|
||||
/* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
|
||||
|
|
@ -74,7 +76,7 @@ Boston, MA 02111-1307, USA. */
|
|||
#undef ENDFILE_SPEC
|
||||
#define ENDFILE_SPEC \
|
||||
"%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
|
||||
%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
|
||||
%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
|
||||
|
||||
/* This is for -profile to use -lc_p instead of -lc. */
|
||||
#undef CC1_SPEC
|
||||
|
|
@ -112,11 +114,11 @@ Boston, MA 02111-1307, USA. */
|
|||
#undef CPP_SUBTARGET_SPEC
|
||||
#ifdef USE_GNULIBC_1
|
||||
#define CPP_SUBTARGET_SPEC \
|
||||
"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} \
|
||||
"%{fPIC|fPIE|fpic|fpie:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} \
|
||||
%{mlong-double-128:-D__LONG_DOUBLE_128__}"
|
||||
#else
|
||||
#define CPP_SUBTARGET_SPEC \
|
||||
"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} \
|
||||
"%{fPIC|fPIE|fpic|fpie:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} \
|
||||
%{pthread:-D_REENTRANT} %{mlong-double-128:-D__LONG_DOUBLE_128__}"
|
||||
#endif
|
||||
|
||||
|
|
@ -192,8 +194,8 @@ Boston, MA 02111-1307, USA. */
|
|||
It's safe to pass -s always, even if -g is not used. */
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC \
|
||||
"%{V} %{v:%{!V:-V}} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s %{fpic:-K PIC} \
|
||||
%{fPIC:-K PIC} %(asm_cpu) %(asm_relax)"
|
||||
"%{V} %{v:%{!V:-V}} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
|
||||
%{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu) %(asm_relax)"
|
||||
|
||||
/* Same as sparc.h */
|
||||
#undef DBX_REGISTER_NUMBER
|
||||
|
|
|
|||
|
|
@ -66,10 +66,15 @@ Boston, MA 02111-1307, USA. */
|
|||
|
||||
#undef STARTFILE_SPEC
|
||||
|
||||
#ifdef HAVE_LD_PIE
|
||||
#define STARTFILE_SPEC \
|
||||
"%{!shared:%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
|
||||
crti.o%s %{static:crtbeginT.o%s}\
|
||||
%{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
|
||||
"%{!shared:%{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
|
||||
crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbeginS.o%s}"
|
||||
#else
|
||||
#define STARTFILE_SPEC \
|
||||
"%{!shared:%{pg|p:gcrt1.o%s;:crt1.o%s}}\
|
||||
crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbeginS.o%s}"
|
||||
#endif
|
||||
|
||||
/* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
|
||||
the GNU/Linux magical crtend.o file (see crtstuff.c) which
|
||||
|
|
@ -80,7 +85,7 @@ Boston, MA 02111-1307, USA. */
|
|||
#undef ENDFILE_SPEC
|
||||
|
||||
#define ENDFILE_SPEC \
|
||||
"%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s\
|
||||
"%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\
|
||||
%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
|
||||
|
||||
/* The GNU C++ standard library requires that these macros be defined. */
|
||||
|
|
@ -124,8 +129,7 @@ Boston, MA 02111-1307, USA. */
|
|||
|
||||
#undef CPP_SUBTARGET_SPEC
|
||||
#define CPP_SUBTARGET_SPEC "\
|
||||
%{fPIC:-D__PIC__ -D__pic__} \
|
||||
%{fpic:-D__PIC__ -D__pic__} \
|
||||
%{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} \
|
||||
%{posix:-D_POSIX_SOURCE} \
|
||||
%{pthread:-D_REENTRANT} \
|
||||
"
|
||||
|
|
@ -254,7 +258,7 @@ Boston, MA 02111-1307, USA. */
|
|||
%{T} \
|
||||
%{Ym,*} \
|
||||
%{Wa,*:%*} \
|
||||
-s %{fpic:-K PIC} %{fPIC:-K PIC} \
|
||||
-s %{fpic|fPIC|fpie|fPIE:-K PIC} \
|
||||
%{mlittle-endian:-EL} \
|
||||
%(asm_cpu) %(asm_arch) %(asm_relax)"
|
||||
|
||||
|
|
|
|||
|
|
@ -86,7 +86,7 @@ Boston, MA 02111-1307, USA. */
|
|||
#define USER_LABEL_PREFIX ""
|
||||
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%{fpic:-K PIC} %{fPIC:-K PIC} %{V} %{v:%{!V:-V}} \
|
||||
#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %{V} %{v:%{!V:-V}} \
|
||||
%{mlittle-endian:-EL} \
|
||||
%(asm_cpu) %(asm_arch) %(asm_relax)"
|
||||
|
||||
|
|
|
|||
|
|
@ -53,7 +53,7 @@ Boston, MA 02111-1307, USA. */
|
|||
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "\
|
||||
%{v:-V} -s %{fpic:-K PIC} %{fPIC:-K PIC} \
|
||||
%{v:-V} -s %{fpic|fPIC|fpie|fPIE:-K PIC} \
|
||||
%{mlittle-endian:-EL} \
|
||||
%(asm_cpu) %(asm_arch) \
|
||||
"
|
||||
|
|
|
|||
|
|
@ -56,7 +56,7 @@ Boston, MA 02111-1307, USA. */
|
|||
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "\
|
||||
%{v:-V} -s %{fpic:-K PIC} %{fPIC:-K PIC} \
|
||||
%{v:-V} -s %{fpic|fPIC|fpie|fPIE:-K PIC} \
|
||||
%{mlittle-endian:-EL} \
|
||||
%(asm_cpu) %(asm_arch) \
|
||||
"
|
||||
|
|
|
|||
|
|
@ -336,7 +336,7 @@ extern enum cmodel sparc_cmodel;
|
|||
/* Special flags to the Sun-4 assembler when using pipe for input. */
|
||||
|
||||
#define ASM_SPEC "\
|
||||
%{R} %{!pg:%{!p:%{fpic:-k} %{fPIC:-k}}} %{keep-local-as-symbols:-L} \
|
||||
%{R} %{!pg:%{!p:%{fpic|fPIC|fpie|fPIE:-k}}} %{keep-local-as-symbols:-L} \
|
||||
%(asm_cpu) %(asm_relax)"
|
||||
|
||||
#define AS_NEEDS_DASH_FOR_PIPED_INPUT
|
||||
|
|
|
|||
|
|
@ -59,7 +59,7 @@ Boston, MA 02111-1307, USA. */
|
|||
#undef ASM_SPEC
|
||||
#define ASM_SPEC \
|
||||
"%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
|
||||
%{fpic:-K PIC} %{fPIC:-K PIC} %(asm_cpu)"
|
||||
%{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)"
|
||||
|
||||
/* Define the names of various pseudo-op used by the SPARC/svr4 assembler.
|
||||
Note that many of these are different from the typical pseudo-ops used
|
||||
|
|
|
|||
|
|
@ -8838,11 +8838,32 @@ EOF
|
|||
fi
|
||||
echo "$ac_t""$gcc_cv_ld_eh_frame_hdr" 1>&6
|
||||
|
||||
echo $ac_n "checking linker position independent executable support""... $ac_c" 1>&6
|
||||
echo "configure:8843: checking linker position independent executable support" >&5
|
||||
gcc_cv_ld_pie=no
|
||||
if test $in_tree_ld = yes ; then
|
||||
if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
|
||||
gcc_cv_ld_pie=yes
|
||||
fi
|
||||
elif test x$gcc_cv_ld != x; then
|
||||
# Check if linker supports -pie option
|
||||
if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then
|
||||
gcc_cv_ld_pie=yes
|
||||
fi
|
||||
fi
|
||||
if test x"$gcc_cv_ld_pie" = xyes; then
|
||||
cat >> confdefs.h <<\EOF
|
||||
#define HAVE_LD_PIE 1
|
||||
EOF
|
||||
|
||||
fi
|
||||
echo "$ac_t""$gcc_cv_ld_pie" 1>&6
|
||||
|
||||
# Miscellaneous target-specific checks.
|
||||
case "$target" in
|
||||
mips*-*-*)
|
||||
echo $ac_n "checking whether libgloss uses STARTUP directives consistently""... $ac_c" 1>&6
|
||||
echo "configure:8846: checking whether libgloss uses STARTUP directives consistently" >&5
|
||||
echo "configure:8867: checking whether libgloss uses STARTUP directives consistently" >&5
|
||||
gcc_cv_mips_libgloss_startup=no
|
||||
gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
|
||||
if test "x$exec_prefix" = xNONE; then
|
||||
|
|
@ -8870,7 +8891,7 @@ EOF
|
|||
echo "$ac_t""$gcc_cv_mips_libgloss_startup" 1>&6
|
||||
|
||||
echo $ac_n "checking whether the assembler has explicit relocation support""... $ac_c" 1>&6
|
||||
echo "configure:8874: checking whether the assembler has explicit relocation support" >&5
|
||||
echo "configure:8895: checking whether the assembler has explicit relocation support" >&5
|
||||
if test x$gcc_cv_mips_explicit_relocs = x; then
|
||||
gcc_cv_mips_explicit_relocs=no
|
||||
if test x$gcc_cv_as != x; then
|
||||
|
|
@ -9065,7 +9086,7 @@ fi
|
|||
|
||||
|
||||
echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
|
||||
echo "configure:9069: checking whether to enable maintainer-specific portions of Makefiles" >&5
|
||||
echo "configure:9090: checking whether to enable maintainer-specific portions of Makefiles" >&5
|
||||
# Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
|
||||
if test "${enable_maintainer_mode+set}" = set; then
|
||||
enableval="$enable_maintainer_mode"
|
||||
|
|
|
|||
|
|
@ -2631,6 +2631,24 @@ if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
|
|||
fi
|
||||
AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
|
||||
|
||||
AC_MSG_CHECKING(linker position independent executable support)
|
||||
gcc_cv_ld_pie=no
|
||||
if test $in_tree_ld = yes ; then
|
||||
if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
|
||||
gcc_cv_ld_pie=yes
|
||||
fi
|
||||
elif test x$gcc_cv_ld != x; then
|
||||
# Check if linker supports -pie option
|
||||
if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then
|
||||
gcc_cv_ld_pie=yes
|
||||
fi
|
||||
fi
|
||||
if test x"$gcc_cv_ld_pie" = xyes; then
|
||||
AC_DEFINE(HAVE_LD_PIE, 1,
|
||||
[Define if your linker supports -pie option.])
|
||||
fi
|
||||
AC_MSG_RESULT($gcc_cv_ld_pie)
|
||||
|
||||
# Miscellaneous target-specific checks.
|
||||
case "$target" in
|
||||
mips*-*-*)
|
||||
|
|
|
|||
|
|
@ -310,7 +310,7 @@ in the following sections.
|
|||
@item Linker Options
|
||||
@xref{Link Options,,Options for Linking}.
|
||||
@gccoptlist{@var{object-file-name} -l@var{library} @gol
|
||||
-nostartfiles -nodefaultlibs -nostdlib @gol
|
||||
-nostartfiles -nodefaultlibs -nostdlib -pie @gol
|
||||
-s -static -static-libgcc -shared -shared-libgcc -symbolic @gol
|
||||
-Wl,@var{option} -Xlinker @var{option} @gol
|
||||
-u @var{symbol}}
|
||||
|
|
@ -672,7 +672,7 @@ in the following sections.
|
|||
-fasynchronous-unwind-tables @gol
|
||||
-finhibit-size-directive -finstrument-functions @gol
|
||||
-fno-common -fno-ident -fno-gnu-linker @gol
|
||||
-fpcc-struct-return -fpic -fPIC @gol
|
||||
-fpcc-struct-return -fpic -fPIC -fpie -fPIE @gol
|
||||
-freg-struct-return -fshared-data -fshort-enums @gol
|
||||
-fshort-double -fshort-wchar @gol
|
||||
-fverbose-asm -fpack-struct -fstack-check @gol
|
||||
|
|
@ -4815,6 +4815,13 @@ library subroutines. (For example, @samp{__main}, used to ensure C++
|
|||
constructors will be called; @pxref{Collect2,,@code{collect2}, gccint,
|
||||
GNU Compiler Collection (GCC) Internals}.)
|
||||
|
||||
@item -pie
|
||||
@opindex pie
|
||||
Produce a position independent executable on targets which support it.
|
||||
For predictable results, you must also specify the same set of options
|
||||
that were used to generate code (@option{-fpie}, @option{-fPIE},
|
||||
or model suboptions) when you specify this option.
|
||||
|
||||
@item -s
|
||||
@opindex s
|
||||
Remove all symbol table and relocation information from the executable.
|
||||
|
|
@ -11040,6 +11047,15 @@ and the SPARC.
|
|||
Position-independent code requires special support, and therefore works
|
||||
only on certain machines.
|
||||
|
||||
@item -fpie
|
||||
@itemx -fPIE
|
||||
@opindex fpie
|
||||
@opindex fPIE
|
||||
These options are similar to @option{-fpic} and @option{-fPIC}, but
|
||||
generated position independent code can be only linked into executables.
|
||||
Usually these options are used when @option{-pie} GCC option will be
|
||||
used during linking.
|
||||
|
||||
@item -ffixed-@var{reg}
|
||||
@opindex ffixed
|
||||
Treat the register named @var{reg} as a fixed register; generated code
|
||||
|
|
|
|||
10
gcc/flags.h
10
gcc/flags.h
|
|
@ -462,6 +462,16 @@ extern int flag_pedantic_errors;
|
|||
|
||||
extern int flag_pic;
|
||||
|
||||
/* Nonzero if we are compiling position independent code for executable.
|
||||
1 vs 2 for a target-dependent "small" or "large" mode. */
|
||||
|
||||
extern int flag_pie;
|
||||
|
||||
/* Nonzero if we are compiling code for a shared library, zero for
|
||||
executable. */
|
||||
|
||||
extern int flag_shlib;
|
||||
|
||||
/* Nonzero means generate extra code for exception handling and enable
|
||||
exception handling. */
|
||||
|
||||
|
|
|
|||
13
gcc/gcc.c
13
gcc/gcc.c
|
|
@ -664,6 +664,14 @@ proper position among the other output files. */
|
|||
#define LINK_GCC_C_SEQUENCE_SPEC "%G %L %G"
|
||||
#endif
|
||||
|
||||
#ifndef LINK_PIE_SPEC
|
||||
#ifdef HAVE_LD_PIE
|
||||
#define LINK_PIE_SPEC "%{pie:-pie} "
|
||||
#else
|
||||
#define LINK_PIE_SPEC "%{pie:} "
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* -u* was put back because both BSD and SysV seem to support it. */
|
||||
/* %{static:} simply prevents an error message if the target machine
|
||||
doesn't handle -static. */
|
||||
|
|
@ -673,8 +681,8 @@ proper position among the other output files. */
|
|||
#ifndef LINK_COMMAND_SPEC
|
||||
#define LINK_COMMAND_SPEC "\
|
||||
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
|
||||
%(linker) %l %X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r} %{s} %{t}\
|
||||
%{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
|
||||
%(linker) %l " LINK_PIE_SPEC "%X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}\
|
||||
%{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
|
||||
%{static:} %{L*} %(link_libgcc) %o %{fprofile-arcs:-lgcov}\
|
||||
%{!nostdlib:%{!nodefaultlibs:%(link_gcc_c_sequence)}}\
|
||||
%{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}"
|
||||
|
|
@ -1021,6 +1029,7 @@ static const struct option_map option_map[] =
|
|||
{"--param", "--param", "a"},
|
||||
{"--pedantic", "-pedantic", 0},
|
||||
{"--pedantic-errors", "-pedantic-errors", 0},
|
||||
{"--pie", "-pie", 0},
|
||||
{"--pipe", "-pipe", 0},
|
||||
{"--prefix", "-B", "a"},
|
||||
{"--preprocess", "-E", 0},
|
||||
|
|
|
|||
19
gcc/toplev.c
19
gcc/toplev.c
|
|
@ -759,6 +759,17 @@ int flag_delayed_branch;
|
|||
|
||||
int flag_pic;
|
||||
|
||||
/* Nonzero if we are compiling position independent code for executable.
|
||||
The value is 1 if we are doing "small" pic; value is 2 if we're doing
|
||||
"large" pic. */
|
||||
|
||||
int flag_pie;
|
||||
|
||||
/* Nonzero if we are compiling code for a shared library, zero for
|
||||
executable. */
|
||||
|
||||
int flag_shlib;
|
||||
|
||||
/* Set to the default thread-local storage (tls) model to use. */
|
||||
|
||||
enum tls_model flag_tls_default = TLS_MODEL_GLOBAL_DYNAMIC;
|
||||
|
|
@ -1156,6 +1167,9 @@ static const lang_independent_options f_options[] =
|
|||
{"pic", &flag_pic, 1,
|
||||
N_("Generate position independent code, if possible") },
|
||||
{"PIC", &flag_pic, 2, ""},
|
||||
{"pie", &flag_pie, 1,
|
||||
N_("Generate position independent code for executables, if possible") },
|
||||
{"PIE", &flag_pie, 2, ""},
|
||||
{"exceptions", &flag_exceptions, 1,
|
||||
N_("Enable exception handling") },
|
||||
{"unwind-tables", &flag_unwind_tables, 1,
|
||||
|
|
@ -5338,6 +5352,11 @@ parse_options_and_default_flags (int argc, char **argv)
|
|||
}
|
||||
}
|
||||
|
||||
if (flag_pie)
|
||||
flag_pic = flag_pie;
|
||||
if (flag_pic && !flag_pie)
|
||||
flag_shlib = 1;
|
||||
|
||||
if (flag_no_inline == 2)
|
||||
flag_no_inline = 0;
|
||||
else
|
||||
|
|
|
|||
|
|
@ -5280,7 +5280,7 @@ bool
|
|||
default_binds_local_p (exp)
|
||||
tree exp;
|
||||
{
|
||||
return default_binds_local_p_1 (exp, flag_pic);
|
||||
return default_binds_local_p_1 (exp, flag_shlib);
|
||||
}
|
||||
|
||||
bool
|
||||
|
|
|
|||
Loading…
Reference in New Issue