Add --enable-default-pie option to GCC configure
Add --enable-default-pie option to configure GCC to generate PIE by default. gcc/ * Makefile.in (COMPILER): Add @NO_PIE_CFLAGS@. (BUILD_CFLAGS): Likewise. (BUILD_CXXFLAGS): Likewise. (LINKER): Add @NO_PIE_FLAG@. (BUILD_LDFLAGS): Likewise. (libgcc.mvars): Set NO_PIE_CFLAGS to -fno-PIE for --enable-default-pie. * common.opt (fPIE): Initialize to -1. (fpie): Likewise. (no-pie): New option. (pie): Replace "Negative(shared)" with "Negative(no-pie)". * configure.ac: Add --enable-default-pie. (NO_PIE_CFLAGS): New. Check if -fno-PIE works. AC_SUBST. (NO_PIE_FLAG): New. Check if -no-pie works. AC_SUBST. * defaults.h (DEFAULT_FLAG_PIE): New. Default PIE to -fPIE. * gcc.c (NO_PIE_SPEC): New. (PIE_SPEC): Likewise. (NO_FPIE1_SPEC): Likewise. (FPIE1_SPEC): Likewise. (NO_FPIE2_SPEC): Likewise. (FPIE2_SPEC): Likewise. (NO_FPIE2_SPEC): Likewise. (FPIE_SPEC): Likewise. (NO_FPIE_SPEC): Likewise. (NO_FPIC1_SPEC): Likewise. (FPIC1_SPEC): Likewise. (NO_FPIC2_SPEC): Likewise. (FPIC2_SPEC): Likewise. (NO_FPIC2_SPEC): Likewise. (FPIC_SPEC): Likewise. (NO_FPIC_SPEC): Likewise. (NO_FPIE1_AND_FPIC1_SPEC): Likewise. (FPIE1_OR_FPIC1_SPEC): Likewise. (NO_FPIE2_AND_FPIC2_SPEC): Likewise. (FPIE2_OR_FPIC2_SPEC): Likewise. (NO_FPIE_AND_FPIC_SPEC): Likewise. (FPIE_OR_FPIC_SPEC): Likewise. (LD_PIE_SPEC): Likewise. (LINK_PIE_SPEC): Handle -no-pie. Use PIE_SPEC and LD_PIE_SPEC. * opts.c (finish_options): Update opts->x_flag_pie if it is -1. * config/darwin.h (PIE_SPEC): Renamed to ... (DARWIN_PIE_SPEC): This. (LINK_SPEC): Replace PIE_SPEC with DARWIN_PIE_SPEC. * config/darwin9.h (PIE_SPEC): Renamed to ... (DARWIN_PIE_SPEC): This. * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Use PIE_SPEC and NO_PIE_SPEC if HAVE_LD_PIE is defined. * config/openbsd.h (ASM_SPEC): Use FPIE1_OR_FPIC1_SPEC and FPIE2_OR_FPIC2_SPEC. * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise. * config/m68k/openbsd.h (ASM_SPEC): Likewise. * gcc/config/sol2.h (ASM_PIC_SPEC): Likewise. * config/arm/freebsd.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise. * config/arm/netbsd-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise. * config/arm/semi.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise. * config/cris/linux.h (CRIS_ASM_SUBTARGET_SPEC): Likewise. * config/m32r/m32r.h (ASM_SPEC): Likewise. * config/m68k/uclinux.h (DRIVER_SELF_SPECS): Likewise. * config/rs6000/linux64.h (ASM_SPEC32): Likewise. * config/rs6000/sysv4.h (ASM_SPEC): Likewise. * config/sparc/freebsd.h (ASM_SPEC): Likewise. * config/sparc/linux.h (ASM_SPEC): Likewise. * config/sparc/linux64.h (ASM_SPEC): Likewise. * config/sparc/netbsd-elf.h (ASM_SPEC): Likewise. * config/sparc/openbsd64.h (ASM_SPEC): Likewise. * config/sparc/sp-elf.h (ASM_SPEC): Likewise. * config/sparc/sp64-elf.h (ASM_SPEC): Likewise. * config/sparc/sparc.h (ASM_SPEC): Likewise. * config/sparc/sysv4.h (ASM_SPEC): Likewise. * config/sparc/vxworks.h (ASM_SPEC): Likewise. * config/c6x/elf-common.h (ASM_SPEC): Use NO_FPIC2_SPEC, FPIC2_SPEC, FPIC1_SPEC and FPIC2_SPEC. * config/c6x/uclinux-elf.h (LINK_SPEC): Use FPIE_SPEC. * config/frv/frv.h (DRIVER_SELF_SPECS): Use FPIC_SPEC, NO_FPIC_SPEC and NO_FPIE1_AND_FPIC1_SPEC. (ASM_SPEC): Use FPIE1_OR_FPIC1_SPEC and FPIE2_OR_FPIC2_SPEC. * config/m68k/m68k.h (ASM_PCREL_SPEC): Use FPIC_SPEC and NO_FPIC_SPEC. * config/mips/gnu-user.h (NO_SHARED_SPECS): Use NO_FPIE_AND_FPIC_SPEC. * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Use FPIC_SPEC. * config/rs6000/freebsd64.h (ASM_SPEC32): Likewise. * config/rs6000/vxworks.h (ASM_SPEC): Likewise. * config/vax/linux.h (ASM_SPEC): Likewise. * doc/install.texi: Document --enable-default-pie. * doc/invoke.texi: Document -no-pie. * config.in: Regenerated. * configure: Likewise. gcc/ada/ * gcc-interface/Makefile.in (TOOLS_LIBS): Add @NO_PIE_FLAG@. libgcc/ * Makefile.in (CRTSTUFF_CFLAGS): Add $(NO_PIE_CFLAGS). From-SVN: r223796
This commit is contained in:
H.J. Lu
parent
ddd93587ef
commit
428b381275
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@ -1,3 +1,95 @@
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2015-05-27 Magnus Granberg <zorry@gentoo.org>
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H.J. Lu <hongjiu.lu@intel.com>
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* Makefile.in (COMPILER): Add @NO_PIE_CFLAGS@.
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(BUILD_CFLAGS): Likewise.
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(BUILD_CXXFLAGS): Likewise.
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(LINKER): Add @NO_PIE_FLAG@.
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(BUILD_LDFLAGS): Likewise.
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(libgcc.mvars): Set NO_PIE_CFLAGS to -fno-PIE for
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--enable-default-pie.
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* common.opt (fPIE): Initialize to -1.
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(fpie): Likewise.
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(no-pie): New option.
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(pie): Replace "Negative(shared)" with "Negative(no-pie)".
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* configure.ac: Add --enable-default-pie.
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(NO_PIE_CFLAGS): New. Check if -fno-PIE works. AC_SUBST.
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(NO_PIE_FLAG): New. Check if -no-pie works. AC_SUBST.
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* defaults.h (DEFAULT_FLAG_PIE): New. Default PIE to -fPIE.
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* gcc.c (NO_PIE_SPEC): New.
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(PIE_SPEC): Likewise.
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(NO_FPIE1_SPEC): Likewise.
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(FPIE1_SPEC): Likewise.
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(NO_FPIE2_SPEC): Likewise.
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(FPIE2_SPEC): Likewise.
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(NO_FPIE2_SPEC): Likewise.
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(FPIE_SPEC): Likewise.
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(NO_FPIE_SPEC): Likewise.
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(NO_FPIC1_SPEC): Likewise.
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(FPIC1_SPEC): Likewise.
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(NO_FPIC2_SPEC): Likewise.
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(FPIC2_SPEC): Likewise.
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(NO_FPIC2_SPEC): Likewise.
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(FPIC_SPEC): Likewise.
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(NO_FPIC_SPEC): Likewise.
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(NO_FPIE1_AND_FPIC1_SPEC): Likewise.
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(FPIE1_OR_FPIC1_SPEC): Likewise.
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(NO_FPIE2_AND_FPIC2_SPEC): Likewise.
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(FPIE2_OR_FPIC2_SPEC): Likewise.
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(NO_FPIE_AND_FPIC_SPEC): Likewise.
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(FPIE_OR_FPIC_SPEC): Likewise.
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(LD_PIE_SPEC): Likewise.
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(LINK_PIE_SPEC): Handle -no-pie. Use PIE_SPEC and LD_PIE_SPEC.
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* opts.c (finish_options): Update opts->x_flag_pie if it is -1.
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* config/darwin.h (PIE_SPEC): Renamed to ...
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(DARWIN_PIE_SPEC): This.
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(LINK_SPEC): Replace PIE_SPEC with DARWIN_PIE_SPEC.
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* config/darwin9.h (PIE_SPEC): Renamed to ...
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(DARWIN_PIE_SPEC): This.
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* config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Use
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PIE_SPEC and NO_PIE_SPEC if HAVE_LD_PIE is defined.
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* config/openbsd.h (ASM_SPEC): Use FPIE1_OR_FPIC1_SPEC and
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FPIE2_OR_FPIC2_SPEC.
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* config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
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* config/m68k/openbsd.h (ASM_SPEC): Likewise.
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* gcc/config/sol2.h (ASM_PIC_SPEC): Likewise.
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* config/arm/freebsd.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
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* config/arm/netbsd-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
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* config/arm/semi.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
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* config/cris/linux.h (CRIS_ASM_SUBTARGET_SPEC): Likewise.
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* config/m32r/m32r.h (ASM_SPEC): Likewise.
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* config/m68k/uclinux.h (DRIVER_SELF_SPECS): Likewise.
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* config/rs6000/linux64.h (ASM_SPEC32): Likewise.
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* config/rs6000/sysv4.h (ASM_SPEC): Likewise.
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* config/sparc/freebsd.h (ASM_SPEC): Likewise.
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* config/sparc/linux.h (ASM_SPEC): Likewise.
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* config/sparc/linux64.h (ASM_SPEC): Likewise.
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* config/sparc/netbsd-elf.h (ASM_SPEC): Likewise.
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* config/sparc/openbsd64.h (ASM_SPEC): Likewise.
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* config/sparc/sp-elf.h (ASM_SPEC): Likewise.
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* config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
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* config/sparc/sparc.h (ASM_SPEC): Likewise.
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* config/sparc/sysv4.h (ASM_SPEC): Likewise.
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* config/sparc/vxworks.h (ASM_SPEC): Likewise.
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* config/c6x/elf-common.h (ASM_SPEC): Use NO_FPIC2_SPEC,
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FPIC2_SPEC, FPIC1_SPEC and FPIC2_SPEC.
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* config/c6x/uclinux-elf.h (LINK_SPEC): Use FPIE_SPEC.
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* config/frv/frv.h (DRIVER_SELF_SPECS): Use FPIC_SPEC,
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NO_FPIC_SPEC and NO_FPIE1_AND_FPIC1_SPEC.
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(ASM_SPEC): Use FPIE1_OR_FPIC1_SPEC and FPIE2_OR_FPIC2_SPEC.
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* config/m68k/m68k.h (ASM_PCREL_SPEC): Use FPIC_SPEC and
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NO_FPIC_SPEC.
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* config/mips/gnu-user.h (NO_SHARED_SPECS): Use
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NO_FPIE_AND_FPIC_SPEC.
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* config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Use FPIC_SPEC.
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* config/rs6000/freebsd64.h (ASM_SPEC32): Likewise.
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* config/rs6000/vxworks.h (ASM_SPEC): Likewise.
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* config/vax/linux.h (ASM_SPEC): Likewise.
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* doc/install.texi: Document --enable-default-pie.
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* doc/invoke.texi: Document -no-pie.
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* config.in: Regenerated.
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* configure: Likewise.
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2015-05-28 Thomas Preud'homme <thomas.preudhomme@arm.com>
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PR rtl-optimization/66168
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@ -253,6 +253,12 @@ LINKER = $(CC)
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LINKER_FLAGS = $(CFLAGS)
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endif
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# We don't want to compile the compilers with -fPIE, it make PCH fail.
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COMPILER += @NO_PIE_CFLAGS@
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# Link with -no-pie since we compile the compiler with -fno-PIE.
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LINKER += @NO_PIE_FLAG@
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# Like LINKER, but use a mutex for serializing front end links.
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ifeq (@DO_LINK_MUTEX@,true)
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LLINKER = $(SHELL) $(srcdir)/lock-and-run.sh linkfe.lck $(LINKER)
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@ -746,6 +752,8 @@ CC_FOR_BUILD = @CC_FOR_BUILD@
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CXX_FOR_BUILD = @CXX_FOR_BUILD@
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BUILD_CFLAGS= @BUILD_CFLAGS@ -DGENERATOR_FILE
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BUILD_CXXFLAGS = @BUILD_CXXFLAGS@ -DGENERATOR_FILE
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BUILD_CFLAGS += @NO_PIE_CFLAGS@
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BUILD_CXXFLAGS += @NO_PIE_CFLAGS@
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# Native compiler that we use. This may be C++ some day.
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COMPILER_FOR_BUILD = $(CXX_FOR_BUILD)
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@ -757,6 +765,7 @@ BUILD_LINKERFLAGS = $(BUILD_CXXFLAGS)
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# Native linker and preprocessor flags. For x-fragment overrides.
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BUILD_LDFLAGS=@BUILD_LDFLAGS@
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BUILD_LDFLAGS += @NO_PIE_FLAG@
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BUILD_CPPFLAGS= -I. -I$(@D) -I$(srcdir) -I$(srcdir)/$(@D) \
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-I$(srcdir)/../include @INCINTL@ $(CPPINC) $(CPPFLAGS)
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@ -1860,6 +1869,12 @@ libgcc.mvars: config.status Makefile specs xgcc$(exeext)
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echo GCC_CFLAGS = '$(GCC_CFLAGS)' >> tmp-libgcc.mvars
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echo INHIBIT_LIBC_CFLAGS = '$(INHIBIT_LIBC_CFLAGS)' >> tmp-libgcc.mvars
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echo TARGET_SYSTEM_ROOT = '$(TARGET_SYSTEM_ROOT)' >> tmp-libgcc.mvars
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if test @enable_default_pie@ = yes; then \
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NO_PIE_CFLAGS="-fno-PIE"; \
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else \
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NO_PIE_CFLAGS=; \
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fi; \
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echo NO_PIE_CFLAGS = "$$NO_PIE_CFLAGS" >> tmp-libgcc.mvars
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mv tmp-libgcc.mvars libgcc.mvars
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@ -1,3 +1,7 @@
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2015-05-27 H.J. Lu <hongjiu.lu@intel.com>
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* gcc-interface/Makefile.in (TOOLS_LIBS): Add @NO_PIE_FLAG@.
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2015-05-27 Eric Botcazou <ebotcazou@adacore.com>
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* gcc-interface/trans.c (elaborate_all_entities): Do not elaborate an
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@ -267,6 +267,9 @@ TOOLS_LIBS = ../link.o ../targext.o ../../ggc-none.o ../../libcommon-target.a \
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../../libcommon.a ../../../libcpp/libcpp.a $(LIBGNAT) $(LIBINTL) $(LIBICONV) \
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../$(LIBBACKTRACE) ../$(LIBIBERTY) $(SYSLIBS) $(TGT_LIB)
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# Add -no-pie to TOOLS_LIBS since some of them are compiled with -fno-PIE.
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TOOLS_LIBS += @NO_PIE_FLAG@
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# Specify the directories to be searched for header files.
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# Both . and srcdir are used, in that order,
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# so that tm.h and config.h will be found in the compilation
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@ -1778,7 +1778,7 @@ Common Report Var(flag_pic,2) Negative(fPIE)
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Generate position-independent code if possible (large mode)
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fPIE
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Common Report Var(flag_pie,2) Negative(fpic)
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Common Report Var(flag_pie,2) Negative(fpic) Init(-1)
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Generate position-independent code for executables if possible (large mode)
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fpic
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@ -1786,7 +1786,7 @@ Common Report Var(flag_pic,1) Negative(fpie)
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Generate position-independent code if possible (small mode)
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fpie
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Common Report Var(flag_pie,1) Negative(fPIC)
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Common Report Var(flag_pie,1) Negative(fPIC) Init(-1)
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Generate position-independent code for executables if possible (small mode)
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fplt
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@ -2863,8 +2863,12 @@ Driver
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symbolic
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Driver
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pie
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no-pie
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Driver RejectNegative Negative(shared)
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Don't create a position independent executable
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pie
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Driver RejectNegative Negative(no-pie)
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Create a position independent executable
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z
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@ -89,6 +89,12 @@
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#endif
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/* Define if your target supports default PIE and it is enabled. */
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#ifndef USED_FOR_TARGET
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#undef ENABLE_DEFAULT_PIE
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#endif
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/* Define if you want more run-time sanity checks for dataflow. */
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#ifndef USED_FOR_TARGET
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#undef ENABLE_DF_CHECKING
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@ -34,7 +34,7 @@
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#undef SUBTARGET_EXTRA_ASM_SPEC
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#define SUBTARGET_EXTRA_ASM_SPEC \
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"%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu;:-meabi=5} " TARGET_FIX_V4BX_SPEC " \
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%{fpic|fpie:-k} %{fPIC|fPIE:-k}"
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%{" FPIE_OR_FPIC_SPEC ":-k}"
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#undef SUBTARGET_ASM_FLOAT_SPEC
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#ifdef TARGET_FREEBSD_ARM_HARD_FLOAT
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@ -55,7 +55,7 @@
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#undef SUBTARGET_EXTRA_ASM_SPEC
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#define SUBTARGET_EXTRA_ASM_SPEC \
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"-matpcs %{fpic|fpie:-k} %{fPIC|fPIE:-k}"
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"-matpcs %{" FPIE_OR_FPIC_SPEC ":-k}"
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/* Default to full VFP if -mfloat-abi=hard is specified. */
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#undef SUBTARGET_ASM_FLOAT_SPEC
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@ -58,7 +58,7 @@
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binutils can't. */
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#ifndef ASM_SPEC
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#define ASM_SPEC "\
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%{fpic|fpie: -k} %{fPIC|fPIE: -k} \
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%{" FPIE_OR_FPIC_SPEC ": -k} \
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%{mbig-endian:-EB} \
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%(arm_cpu_spec) \
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%{mapcs-float:-mfloat} \
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@ -24,8 +24,10 @@
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#undef ASM_SPEC
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#define ASM_SPEC "%{march=*:-march=%*} %{mbig-endian:-mbig-endian} \
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%{mdsbt:-mdsbt %{!fPIC:-mpid=near} %{fPIC:-mpid=far -mpic} %{fpic:-mpic}} \
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%{!mdsbt:%{fpic:-mpic -mpid=near} %{fPIC:-mpic -mpid=far}}"
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%{mdsbt:-mdsbt %{" NO_FPIC2_SPEC ":-mpid=near} \
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%{" FPIC2_SPEC ":-mpid=far -mpic} %{" FPIC1_SPEC ":-mpic}} \
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%{!mdsbt:%{" FPIC1_SPEC ":-mpic -mpid=near} \
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%{" FPIC2_SPEC ":-mpic -mpid=far}}"
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#undef DATA_SECTION_ASM_OP
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#define DATA_SECTION_ASM_OP "\t.section\t\".fardata\",\"aw\""
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@ -40,7 +40,7 @@
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#undef LINK_SPEC
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#define LINK_SPEC ENDIAN_LINK_SPEC \
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"%{shared} %{fpie|fPIE:-pie} \
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"%{shared} %{" FPIE_SPEC ":-pie} \
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%{!shared: %{!static: \
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%{rdynamic:-export-dynamic} \
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%{!dynamic-linker:-dynamic-linker " UCLIBC_DYNAMIC_LINKER "}} \
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@ -79,13 +79,13 @@ along with GCC; see the file COPYING3. If not see
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"--em=criself \
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%{!march=*:%{!mcpu=*:--march=v32}} \
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%{!fleading-underscore:--no-underscore}\
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%{fPIC|fpic|fPIE|fpie: --pic}"
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%{" FPIE_OR_FPIC_SPEC ": --pic}"
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#else
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# define CRIS_ASM_SUBTARGET_SPEC \
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"--em=criself \
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%{!march=*:%{!mcpu=*:--march=v10}} \
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%{!fleading-underscore:--no-underscore}\
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%{fPIC|fpic|fPIE|fpie: --pic}"
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%{" FPIE_OR_FPIC_SPEC ": --pic}"
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#endif
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/* Previously controlled by target_flags. */
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@ -214,7 +214,7 @@ extern GTY(()) int darwin_ms_struct;
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#define LINK_SYSROOT_SPEC "%{isysroot*:-syslibroot %*}"
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#endif
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#define PIE_SPEC "%{fpie|pie|fPIE:}"
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#define DARWIN_PIE_SPEC "%{fpie|pie|fPIE:}"
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/* Please keep the random linker options in alphabetical order (modulo
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'Z' and 'no' prefixes). Note that options taking arguments may appear
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@ -280,7 +280,7 @@ extern GTY(()) int darwin_ms_struct;
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%:version-compare(< 10.5 mmacosx-version-min= -multiply_defined) \
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%:version-compare(< 10.5 mmacosx-version-min= suppress)}} \
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%{Zmultiplydefinedunused*:-multiply_defined_unused %*} \
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" PIE_SPEC " \
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" DARWIN_PIE_SPEC " \
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%{prebind} %{noprebind} %{nofixprebinding} %{prebind_all_twolevel_modules} \
|
||||
%{read_only_relocs} \
|
||||
%{sectcreate*} %{sectorder*} %{seg1addr*} %{segprot*} \
|
||||
|
|
|
|||
|
|
@ -35,8 +35,8 @@ 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 PIE_SPEC
|
||||
#define PIE_SPEC \
|
||||
#undef DARWIN_PIE_SPEC
|
||||
#define DARWIN_PIE_SPEC \
|
||||
"%{fpie|pie|fPIE: \
|
||||
%{mdynamic-no-pic: %n'-mdynamic-no-pic' overrides '-pie', '-fpie' or '-fPIE'; \
|
||||
:-pie}}"
|
||||
|
|
|
|||
|
|
@ -42,12 +42,12 @@
|
|||
"%{mno-pack:\
|
||||
%{!mhard-float:-msoft-float}\
|
||||
%{!mmedia:-mno-media}}\
|
||||
%{!mfdpic:%{fpic|fPIC: -multilib-library-pic}}\
|
||||
%{!mfdpic:%{" FPIC_SPEC ": -multilib-library-pic}}\
|
||||
%{mfdpic:%{!fpic:%{!fpie:%{!fPIC:%{!fPIE:\
|
||||
%{!fno-pic:%{!fno-pie:%{!fno-PIC:%{!fno-PIE:-fPIE}}}}}}}} \
|
||||
%{!mno-inline-plt:%{O*:%{!O0:%{!Os:%{fpic|fPIC:-minline-plt} \
|
||||
%{!fpic:%{!fPIC:%{!O:%{!O1:%{!O2:-minline-plt}}}}}}}}} \
|
||||
%{!mno-gprel-ro:%{!fpic:%{!fpie:-mgprel-ro}}}} \
|
||||
%{!mno-inline-plt:%{O*:%{!O0:%{!Os:%{" FPIC_SPEC ":-minline-plt} \
|
||||
%{" NO_FPIC_SPEC ":%{!O:%{!O1:%{!O2:-minline-plt}}}}}}}} \
|
||||
%{!mno-gprel-ro:%{" NO_FPIE1_AND_FPIC1_SPEC ":-mgprel-ro}}} \
|
||||
"
|
||||
#ifndef SUBTARGET_DRIVER_SELF_SPECS
|
||||
# define SUBTARGET_DRIVER_SELF_SPECS
|
||||
|
|
@ -67,7 +67,7 @@
|
|||
%{mmuladd} %{mno-muladd} \
|
||||
%{mpack} %{mno-pack} \
|
||||
%{mno-fdpic:-mnopic} %{mfdpic} \
|
||||
%{fpic|fpie: -mpic} %{fPIC|fPIE: -mPIC} %{mlibrary-pic}}"
|
||||
%{" FPIE1_OR_FPIC1_SPEC ":-mpic} %{" FPIE2_OR_FPIC2_SPEC ":-mPIC} %{mlibrary-pic}}"
|
||||
|
||||
#undef STARTFILE_SPEC
|
||||
#define STARTFILE_SPEC "crt0%O%s frvbegin%O%s"
|
||||
|
|
|
|||
|
|
@ -42,8 +42,11 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|||
|
||||
#if defined HAVE_LD_PIE
|
||||
#define GNU_USER_TARGET_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} \
|
||||
"%{!shared: %{pg|p|profile:gcrt1.o%s;: \
|
||||
%{" PIE_SPEC ":Scrt1.o%s} %{" NO_PIE_SPEC ":crt1.o%s}}} \
|
||||
crti.o%s %{static:crtbeginT.o%s;: %{shared:crtbeginS.o%s} \
|
||||
%{" PIE_SPEC ":crtbeginS.o%s} \
|
||||
%{" NO_PIE_SPEC ":crtbegin.o%s}} \
|
||||
%{fvtable-verify=none:%s; \
|
||||
fvtable-verify=preinit:vtv_start_preinit.o%s; \
|
||||
fvtable-verify=std:vtv_start.o%s}"
|
||||
|
|
|
|||
|
|
@ -159,7 +159,7 @@
|
|||
|
||||
/* Options to pass on to the assembler. */
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%(asm_cpu) %(relax) %{fpic|fpie:-K PIC} %{fPIC|fPIE:-K PIC}"
|
||||
#define ASM_SPEC "%(asm_cpu) %(relax) %{" FPIE_OR_FPIC_SPEC ":-K PIC}"
|
||||
|
||||
#define LINK_SPEC "%{v} %(link_cpu) %(relax)"
|
||||
|
||||
|
|
|
|||
|
|
@ -40,7 +40,8 @@ along with GCC; see the file COPYING3. If not see
|
|||
%{m68020-40:-m68040}%{m68020-60:-m68040}\
|
||||
%{mcpu=*:-mcpu=%*}%{march=*:-march=%*}\
|
||||
"
|
||||
#define ASM_PCREL_SPEC "%{fPIC|fpic|mpcrel:--pcrel} \
|
||||
#define ASM_PCREL_SPEC "%{" FPIC_SPEC ":--pcrel} \
|
||||
%{mpcrel:%{" NO_FPIC_SPEC ":--pcrel}} \
|
||||
%{msep-data|mid-shared-library:--pcrel} \
|
||||
"
|
||||
|
||||
|
|
|
|||
|
|
@ -56,7 +56,8 @@ along with GCC; see the file COPYING3. If not see
|
|||
to pass PIC code generation options. */
|
||||
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%(asm_cpu_spec) %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
|
||||
#define ASM_SPEC \
|
||||
"%(asm_cpu_spec) %{" FPIE1_OR_FPIC1_SPEC ":-k} %{" FPIE2_OR_FPIC2_SPEC ":-k -K}"
|
||||
|
||||
/* Provide a LINK_SPEC appropriate for a NetBSD/m68k ELF target. */
|
||||
|
||||
|
|
|
|||
|
|
@ -34,7 +34,8 @@ along with GCC; see the file COPYING3. If not see
|
|||
#define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__ -D__HAVE_FPU__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
|
||||
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%(asm_cpu_spec) %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
|
||||
#define ASM_SPEC \
|
||||
"%(asm_cpu_spec) %{" FPIE1_OR_FPIC1_SPEC ":-k} %{" FPIE2_OR_FPIC2_SPEC ":-k -K}"
|
||||
|
||||
/* Layout of source language data types. */
|
||||
|
||||
|
|
|
|||
|
|
@ -60,7 +60,7 @@ along with GCC; see the file COPYING3. If not see
|
|||
|
||||
/* -msep-data is the default PIC mode on this target. */
|
||||
#define DRIVER_SELF_SPECS \
|
||||
"%{fpie|fPIE|fpic|fPIC:%{!msep-data:%{!mid-shared-library: -msep-data}}}"
|
||||
"%{" FPIE_OR_FPIC_SPEC ":%{!msep-data:%{!mid-shared-library: -msep-data}}}"
|
||||
|
||||
/* The uclinux binary format relies on relocations against a segment being
|
||||
within that segment. Conservatively apply this rule to individual
|
||||
|
|
|
|||
|
|
@ -100,7 +100,7 @@ along with GCC; see the file COPYING3. If not see
|
|||
#ifdef HAVE_AS_NO_SHARED
|
||||
/* Default to -mno-shared for non-PIC. */
|
||||
# define NO_SHARED_SPECS \
|
||||
" %{mshared|mno-shared|fpic|fPIC|fpie|fPIE:;:-mno-shared}"
|
||||
" %{mshared|mno-shared:;:%{" NO_FPIE_AND_FPIC_SPEC ":-mno-shared}}"
|
||||
#else
|
||||
# define NO_SHARED_SPECS ""
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -70,7 +70,7 @@ VXWORKS_LINK_SPEC
|
|||
#define FUNCTION_PROFILER VXWORKS_FUNCTION_PROFILER
|
||||
|
||||
#undef SUBTARGET_ASM_SPEC
|
||||
#define SUBTARGET_ASM_SPEC "%{mrtp:%{fPIC|fpic:-mvxworks-pic}}"
|
||||
#define SUBTARGET_ASM_SPEC "%{mrtp:%{" FPIC_SPEC ":-mvxworks-pic}}"
|
||||
|
||||
#undef SUBTARGET_OVERRIDE_OPTIONS
|
||||
#define SUBTARGET_OVERRIDE_OPTIONS VXWORKS_OVERRIDE_OPTIONS
|
||||
|
|
|
|||
|
|
@ -126,7 +126,7 @@ while (0)
|
|||
still uses a special flavor of gas that needs to be told when generating
|
||||
pic code. */
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
|
||||
#define ASM_SPEC "%{" FPIE1_OR_FPIC1_SPEC ":-k} %{" FPIE2_OR_FPIC2_SPEC ":-k -K}"
|
||||
#endif
|
||||
|
||||
/* Since we use gas, stdin -> - is a good idea. */
|
||||
|
|
|
|||
|
|
@ -130,7 +130,7 @@ extern int dot_symbols;
|
|||
#define LINK_OS_FREEBSD_SPEC "%{m32:%(link_os_freebsd_spec32)}%{!m32:%(link_os_freebsd_spec64)}"
|
||||
|
||||
#define ASM_SPEC32 "-a32 \
|
||||
%{mrelocatable} %{mrelocatable-lib} %{fpic:-K PIC} %{fPIC:-K PIC} \
|
||||
%{mrelocatable} %{mrelocatable-lib} %{" FPIC_SPEC ":-K PIC} \
|
||||
%{memb} %{!memb: %{msdata=eabi: -memb}} \
|
||||
%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
|
||||
%{mcall-freebsd: -mbig} \
|
||||
|
|
|
|||
|
|
@ -192,7 +192,7 @@ extern int dot_symbols;
|
|||
#endif
|
||||
|
||||
#define ASM_SPEC32 "-a32 \
|
||||
%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
|
||||
%{mrelocatable} %{mrelocatable-lib} %{" FPIE_OR_FPIC_SPEC ":-K PIC} \
|
||||
%{memb|msdata=eabi: -memb}"
|
||||
|
||||
#define ASM_SPEC64 "-a64"
|
||||
|
|
|
|||
|
|
@ -530,7 +530,7 @@ extern int fixuplabelno;
|
|||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%(asm_cpu) \
|
||||
%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \
|
||||
%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
|
||||
%{mrelocatable} %{mrelocatable-lib} %{" FPIE_OR_FPIC_SPEC ":-K PIC} \
|
||||
%{memb|msdata=eabi: -memb}" \
|
||||
ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
|
||||
|
||||
|
|
|
|||
|
|
@ -90,7 +90,7 @@ VXWORKS_ADDITIONAL_CPP_SPEC
|
|||
#define ASM_SPEC \
|
||||
"%(asm_cpu) \
|
||||
%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \
|
||||
%{mrelocatable} %{mrelocatable-lib} %{fpic:-K PIC} %{fPIC:-K PIC} -mbig"
|
||||
%{mrelocatable} %{mrelocatable-lib} %{" FPIC_SPEC ":-K PIC} -mbig"
|
||||
|
||||
#undef LIB_SPEC
|
||||
#define LIB_SPEC VXWORKS_LIB_SPEC
|
||||
|
|
|
|||
|
|
@ -127,7 +127,7 @@ along with GCC; see the file COPYING3. If not see
|
|||
#define ASM_SPEC_BASE \
|
||||
"%{v:-V} %{Qy:} %{!Qn:-Qy} %{Ym,*} -s %(asm_cpu)"
|
||||
|
||||
#define ASM_PIC_SPEC " %{fpic|fpie|fPIC|fPIE:-K PIC}"
|
||||
#define ASM_PIC_SPEC " %{" FPIE_OR_FPIC_SPEC ":-K PIC}"
|
||||
|
||||
#undef ASM_CPU_DEFAULT_SPEC
|
||||
#define ASM_CPU_DEFAULT_SPEC \
|
||||
|
|
|
|||
|
|
@ -38,7 +38,7 @@ along with GCC; see the file COPYING3. If not see
|
|||
while (0)
|
||||
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)"
|
||||
#define ASM_SPEC "%{" FPIE_OR_FPIC_SPEC ":-K PIC} %(asm_cpu)"
|
||||
|
||||
#define LINK_SPEC "%(link_arch) \
|
||||
%{!mno-relax:%{!r:-relax}} \
|
||||
|
|
|
|||
|
|
@ -98,7 +98,7 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
|
|||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "\
|
||||
-s \
|
||||
%{fpic|fPIC|fpie|fPIE:-K PIC} \
|
||||
%{" FPIE_OR_FPIC_SPEC ":-K PIC} \
|
||||
%{!.c:%{findirect-dispatch:-K PIC}} \
|
||||
%(asm_cpu) %(asm_relax)"
|
||||
|
||||
|
|
|
|||
|
|
@ -208,7 +208,7 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
|
|||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "\
|
||||
-s \
|
||||
%{fpic|fPIC|fpie|fPIE:-K PIC} \
|
||||
%{" FPIE_OR_FPIC_SPEC ":-K PIC} \
|
||||
%{!.c:%{findirect-dispatch:-K PIC}} \
|
||||
%(asm_cpu) %(asm_arch) %(asm_relax)"
|
||||
|
||||
|
|
|
|||
|
|
@ -67,7 +67,7 @@ along with GCC; see the file COPYING3. If not see
|
|||
#define USER_LABEL_PREFIX ""
|
||||
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} \
|
||||
#define ASM_SPEC "%{" FPIE_OR_FPIC_SPEC ":-K PIC} \
|
||||
%(asm_cpu) %(asm_arch) %(asm_relax)"
|
||||
|
||||
#undef STDC_0_IN_SYSTEM_HEADERS
|
||||
|
|
|
|||
|
|
@ -46,7 +46,7 @@ along with GCC; see the file COPYING3. If not see
|
|||
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "\
|
||||
-s %{fpic|fPIC|fpie|fPIE:-K PIC} \
|
||||
-s %{" FPIE_OR_FPIC_SPEC ":-K PIC} \
|
||||
%(asm_cpu) %(asm_arch) \
|
||||
"
|
||||
|
||||
|
|
|
|||
|
|
@ -25,7 +25,7 @@ along with GCC; see the file COPYING3. If not see
|
|||
#undef ASM_SPEC
|
||||
#define ASM_SPEC \
|
||||
"-s \
|
||||
%{fpic|fpie|fPIC|fPIE:-K PIC} %(asm_cpu)"
|
||||
%{" FPIE_OR_FPIC_SPEC ":-K PIC} %(asm_cpu)"
|
||||
|
||||
/* Use the default. */
|
||||
#undef LINK_SPEC
|
||||
|
|
|
|||
|
|
@ -32,7 +32,7 @@ along with GCC; see the file COPYING3. If not see
|
|||
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "\
|
||||
-s %{fpic|fPIC|fpie|fPIE:-K PIC} \
|
||||
-s %{" FPIE_OR_FPIC_SPEC ":-K PIC} \
|
||||
%(asm_cpu) %(asm_arch) \
|
||||
"
|
||||
|
||||
|
|
|
|||
|
|
@ -380,7 +380,7 @@ extern enum cmodel sparc_cmodel;
|
|||
/* Special flags to the Sun-4 assembler when using pipe for input. */
|
||||
|
||||
#define ASM_SPEC "\
|
||||
%{!pg:%{!p:%{fpic|fPIC|fpie|fPIE:-k}}} %{keep-local-as-symbols:-L} \
|
||||
%{!pg:%{!p:%{" FPIE_OR_FPIC_SPEC ":-k}}} %{keep-local-as-symbols:-L} \
|
||||
%(asm_cpu) %(asm_relax)"
|
||||
|
||||
/* This macro defines names of additional specifications to put in the specs
|
||||
|
|
|
|||
|
|
@ -41,7 +41,7 @@ along with GCC; see the file COPYING3. If not see
|
|||
#undef ASM_SPEC
|
||||
#define ASM_SPEC \
|
||||
"%{v:-V} %{Qy:} %{!Qn:-Qy} %{Ym,*} \
|
||||
%{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)"
|
||||
%{" FPIE_OR_FPIC_SPEC ":-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
|
||||
|
|
|
|||
|
|
@ -34,7 +34,7 @@ along with GCC; see the file COPYING3. If not see
|
|||
#define CPP_SUBTARGET_SPEC VXWORKS_ADDITIONAL_CPP_SPEC
|
||||
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)"
|
||||
#define ASM_SPEC "%{" FPIE_OR_FPIC_SPEC ":-K PIC} %(asm_cpu)"
|
||||
|
||||
#undef LIB_SPEC
|
||||
#define LIB_SPEC VXWORKS_LIB_SPEC
|
||||
|
|
|
|||
|
|
@ -32,7 +32,7 @@ along with GCC; see the file COPYING3. If not see
|
|||
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
|
||||
|
||||
#undef ASM_SPEC
|
||||
#define ASM_SPEC "%{fpic|fPIC:-k}"
|
||||
#define ASM_SPEC "%{" FPIC_SPEC ":-k}"
|
||||
|
||||
#undef LINK_SPEC
|
||||
#define LINK_SPEC \
|
||||
|
|
|
|||
|
|
@ -600,6 +600,9 @@ ac_includes_default="\
|
|||
|
||||
ac_subst_vars='LTLIBOBJS
|
||||
LIBOBJS
|
||||
NO_PIE_FLAG
|
||||
NO_PIE_CFLAGS
|
||||
enable_default_pie
|
||||
PICFLAG
|
||||
enable_host_shared
|
||||
enable_plugin
|
||||
|
|
@ -938,6 +941,7 @@ enable_host_shared
|
|||
enable_libquadmath_support
|
||||
with_linker_hash_style
|
||||
with_diagnostics_color
|
||||
enable_default_pie
|
||||
'
|
||||
ac_precious_vars='build_alias
|
||||
host_alias
|
||||
|
|
@ -1674,6 +1678,7 @@ Optional Features:
|
|||
--enable-host-shared build host code as shared libraries
|
||||
--disable-libquadmath-support
|
||||
disable libquadmath support for Fortran
|
||||
--enable-default-pie enable Position Independent Executable as default
|
||||
|
||||
Optional Packages:
|
||||
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
|
||||
|
|
@ -18293,7 +18298,7 @@ else
|
|||
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
|
||||
lt_status=$lt_dlunknown
|
||||
cat > conftest.$ac_ext <<_LT_EOF
|
||||
#line 18296 "configure"
|
||||
#line 18301 "configure"
|
||||
#include "confdefs.h"
|
||||
|
||||
#if HAVE_DLFCN_H
|
||||
|
|
@ -18399,7 +18404,7 @@ else
|
|||
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
|
||||
lt_status=$lt_dlunknown
|
||||
cat > conftest.$ac_ext <<_LT_EOF
|
||||
#line 18402 "configure"
|
||||
#line 18407 "configure"
|
||||
#include "confdefs.h"
|
||||
|
||||
#if HAVE_DLFCN_H
|
||||
|
|
@ -28702,6 +28707,76 @@ cat > gcc-driver-name.h <<EOF
|
|||
#define GCC_DRIVER_NAME "${target_noncanonical}-gcc-${gcc_BASEVER}${exeext}"
|
||||
EOF
|
||||
|
||||
# Check whether --enable-default-pie was given.
|
||||
# Check whether --enable-default-pie was given.
|
||||
if test "${enable_default_pie+set}" = set; then :
|
||||
enableval=$enable_default_pie; enable_default_pie=$enableval
|
||||
else
|
||||
enable_default_pie=no
|
||||
fi
|
||||
|
||||
if test x$enable_default_pie == xyes ; then
|
||||
|
||||
$as_echo "#define ENABLE_DEFAULT_PIE 1" >>confdefs.h
|
||||
|
||||
fi
|
||||
|
||||
|
||||
# Check if -fno-PIE works.
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fno-PIE option" >&5
|
||||
$as_echo_n "checking for -fno-PIE option... " >&6; }
|
||||
if test "${gcc_cv_c_no_fpie+set}" = set; then :
|
||||
$as_echo_n "(cached) " >&6
|
||||
else
|
||||
saved_CFLAGS="$CFLAGS"
|
||||
CFLAGS="$CFLAGS -fno-PIE"
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
int main(void) {return 0;}
|
||||
_ACEOF
|
||||
if ac_fn_cxx_try_compile "$LINENO"; then :
|
||||
gcc_cv_c_no_fpie=yes
|
||||
else
|
||||
gcc_cv_c_no_fpie=no
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
|
||||
CFLAGS="$saved_CFLAGS"
|
||||
fi
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_c_no_fpie" >&5
|
||||
$as_echo "$gcc_cv_c_no_fpie" >&6; }
|
||||
if test "$gcc_cv_c_no_fpie" = "yes"; then
|
||||
NO_PIE_CFLAGS="-fno-PIE"
|
||||
fi
|
||||
|
||||
|
||||
# Check if -no-pie works.
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -no-pie option" >&5
|
||||
$as_echo_n "checking for -no-pie option... " >&6; }
|
||||
if test "${gcc_cv_no_pie+set}" = set; then :
|
||||
$as_echo_n "(cached) " >&6
|
||||
else
|
||||
saved_LDFLAGS="$LDFLAGS"
|
||||
LDFLAGS="$LDFLAGS -no-pie"
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
int main(void) {return 0;}
|
||||
_ACEOF
|
||||
if ac_fn_cxx_try_link "$LINENO"; then :
|
||||
gcc_cv_no_pie=yes
|
||||
else
|
||||
gcc_cv_no_pie=no
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext \
|
||||
conftest$ac_exeext conftest.$ac_ext
|
||||
LDFLAGS="$saved_LDFLAGS"
|
||||
fi
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_no_pie" >&5
|
||||
$as_echo "$gcc_cv_no_pie" >&6; }
|
||||
if test "$gcc_cv_no_pie" = "yes"; then
|
||||
NO_PIE_FLAG="-no-pie"
|
||||
fi
|
||||
|
||||
|
||||
# Configure the subdirectories
|
||||
# AC_CONFIG_SUBDIRS($subdirs)
|
||||
|
||||
|
|
|
|||
|
|
@ -5819,6 +5819,46 @@ cat > gcc-driver-name.h <<EOF
|
|||
#define GCC_DRIVER_NAME "${target_noncanonical}-gcc-${gcc_BASEVER}${exeext}"
|
||||
EOF
|
||||
|
||||
# Check whether --enable-default-pie was given.
|
||||
AC_ARG_ENABLE(default-pie,
|
||||
[AS_HELP_STRING([--enable-default-pie],
|
||||
[enable Position Independent Executable as default])],
|
||||
enable_default_pie=$enableval,
|
||||
enable_default_pie=no)
|
||||
if test x$enable_default_pie == xyes ; then
|
||||
AC_DEFINE(ENABLE_DEFAULT_PIE, 1,
|
||||
[Define if your target supports default PIE and it is enabled.])
|
||||
fi
|
||||
AC_SUBST([enable_default_pie])
|
||||
|
||||
# Check if -fno-PIE works.
|
||||
AC_CACHE_CHECK([for -fno-PIE option],
|
||||
[gcc_cv_c_no_fpie],
|
||||
[saved_CFLAGS="$CFLAGS"
|
||||
CFLAGS="$CFLAGS -fno-PIE"
|
||||
AC_COMPILE_IFELSE([int main(void) {return 0;}],
|
||||
[gcc_cv_c_no_fpie=yes],
|
||||
[gcc_cv_c_no_fpie=no])
|
||||
CFLAGS="$saved_CFLAGS"])
|
||||
if test "$gcc_cv_c_no_fpie" = "yes"; then
|
||||
NO_PIE_CFLAGS="-fno-PIE"
|
||||
fi
|
||||
AC_SUBST([NO_PIE_CFLAGS])
|
||||
|
||||
# Check if -no-pie works.
|
||||
AC_CACHE_CHECK([for -no-pie option],
|
||||
[gcc_cv_no_pie],
|
||||
[saved_LDFLAGS="$LDFLAGS"
|
||||
LDFLAGS="$LDFLAGS -no-pie"
|
||||
AC_LINK_IFELSE([int main(void) {return 0;}],
|
||||
[gcc_cv_no_pie=yes],
|
||||
[gcc_cv_no_pie=no])
|
||||
LDFLAGS="$saved_LDFLAGS"])
|
||||
if test "$gcc_cv_no_pie" = "yes"; then
|
||||
NO_PIE_FLAG="-no-pie"
|
||||
fi
|
||||
AC_SUBST([NO_PIE_FLAG])
|
||||
|
||||
# Configure the subdirectories
|
||||
# AC_CONFIG_SUBDIRS($subdirs)
|
||||
|
||||
|
|
|
|||
|
|
@ -1241,6 +1241,18 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|||
#endif
|
||||
#endif
|
||||
|
||||
/* Default value for flag_pie when flag_pie is initialized to -1:
|
||||
--enable-default-pie: Default flag_pie to -fPIE.
|
||||
--disable-default-pie: Default flag_pie to 0.
|
||||
*/
|
||||
#ifdef ENABLE_DEFAULT_PIE
|
||||
# ifndef DEFAULT_FLAG_PIE
|
||||
# define DEFAULT_FLAG_PIE 2
|
||||
# endif
|
||||
#else
|
||||
# define DEFAULT_FLAG_PIE 0
|
||||
#endif
|
||||
|
||||
#ifdef GCC_INSN_FLAGS_H
|
||||
/* Dependent default target macro definitions
|
||||
|
||||
|
|
|
|||
|
|
@ -1621,6 +1621,9 @@ defaulted to o32.
|
|||
Currently, this option only affects sparc-linux, powerpc-linux, x86-linux,
|
||||
mips-linux and s390-linux.
|
||||
|
||||
@item --enable-default-pie
|
||||
Turn on @option{-fPIE} and @option{-pie} by default.
|
||||
|
||||
@item --enable-secureplt
|
||||
This option enables @option{-msecure-plt} by default for powerpc-linux.
|
||||
@ifnothtml
|
||||
|
|
|
|||
|
|
@ -11302,6 +11302,10 @@ For predictable results, you must also specify the same set of options
|
|||
used for compilation (@option{-fpie}, @option{-fPIE},
|
||||
or model suboptions) when you specify this linker option.
|
||||
|
||||
@item -no-pie
|
||||
@opindex no-pie
|
||||
Don't produce a position independent executable.
|
||||
|
||||
@item -rdynamic
|
||||
@opindex rdynamic
|
||||
Pass the flag @option{-export-dynamic} to the ELF linker, on targets
|
||||
|
|
|
|||
49
gcc/gcc.c
49
gcc/gcc.c
|
|
@ -737,12 +737,57 @@ proper position among the other output files. */
|
|||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef ENABLE_DEFAULT_PIE
|
||||
#define NO_PIE_SPEC "no-pie|static"
|
||||
#define PIE_SPEC NO_PIE_SPEC "|r|shared:;"
|
||||
#define NO_FPIE1_SPEC "fno-pie"
|
||||
#define FPIE1_SPEC NO_FPIE1_SPEC ":;"
|
||||
#define NO_FPIE2_SPEC "fno-PIE"
|
||||
#define FPIE2_SPEC NO_FPIE2_SPEC ":;"
|
||||
#define NO_FPIE_SPEC NO_FPIE1_SPEC "|" NO_FPIE2_SPEC
|
||||
#define FPIE_SPEC NO_FPIE_SPEC ":;"
|
||||
#define NO_FPIC1_SPEC "fno-pic"
|
||||
#define FPIC1_SPEC NO_FPIC1_SPEC ":;"
|
||||
#define NO_FPIC2_SPEC "fno-PIC"
|
||||
#define FPIC2_SPEC NO_FPIC2_SPEC ":;"
|
||||
#define NO_FPIC_SPEC NO_FPIC1_SPEC "|" NO_FPIC2_SPEC
|
||||
#define FPIC_SPEC NO_FPIC_SPEC ":;"
|
||||
#define NO_FPIE1_AND_FPIC1_SPEC NO_FPIE1_SPEC "|" NO_FPIC1_SPEC
|
||||
#define FPIE1_OR_FPIC1_SPEC NO_FPIE1_AND_FPIC1_SPEC ":;"
|
||||
#define NO_FPIE2_AND_FPIC2_SPEC NO_FPIE2_SPEC "|" NO_FPIC2_SPEC
|
||||
#define FPIE2_OR_FPIC2_SPEC NO_FPIE2_AND_FPIC2_SPEC ":;"
|
||||
#define NO_FPIE_AND_FPIC_SPEC NO_FPIE_SPEC "|" NO_FPIC_SPEC
|
||||
#define FPIE_OR_FPIC_SPEC NO_FPIE_AND_FPIC_SPEC ":;"
|
||||
#else
|
||||
#define PIE_SPEC "pie"
|
||||
#define NO_PIE_SPEC PIE_SPEC "|r|shared:;"
|
||||
#define FPIE1_SPEC "fpie"
|
||||
#define NO_FPIE1_SPEC FPIE1_SPEC ":;"
|
||||
#define FPIE2_SPEC "fPIE"
|
||||
#define NO_FPIE2_SPEC FPIE2_SPEC ":;"
|
||||
#define FPIE_SPEC FPIE1_SPEC "|" FPIE2_SPEC
|
||||
#define NO_FPIE_SPEC FPIE_SPEC ":;"
|
||||
#define FPIC1_SPEC "fpic"
|
||||
#define NO_FPIC1_SPEC FPIC1_SPEC ":;"
|
||||
#define FPIC2_SPEC "fPIC"
|
||||
#define NO_FPIC2_SPEC FPIC2_SPEC ":;"
|
||||
#define FPIC_SPEC FPIC1_SPEC "|" FPIC2_SPEC
|
||||
#define NO_FPIC_SPEC FPIC_SPEC ":;"
|
||||
#define FPIE1_OR_FPIC1_SPEC FPIE1_SPEC "|" FPIC1_SPEC
|
||||
#define NO_FPIE1_AND_FPIC1_SPEC FPIE1_OR_FPIC1_SPEC ":;"
|
||||
#define FPIE2_OR_FPIC2_SPEC FPIE2_SPEC "|" FPIC2_SPEC
|
||||
#define NO_FPIE2_AND_FPIC2_SPEC FPIE1_OR_FPIC2_SPEC ":;"
|
||||
#define FPIE_OR_FPIC_SPEC FPIE_SPEC "|" FPIC_SPEC
|
||||
#define NO_FPIE_AND_FPIC_SPEC FPIE_OR_FPIC_SPEC ":;"
|
||||
#endif
|
||||
|
||||
#ifndef LINK_PIE_SPEC
|
||||
#ifdef HAVE_LD_PIE
|
||||
#define LINK_PIE_SPEC "%{pie:-pie} "
|
||||
#define LD_PIE_SPEC "-pie"
|
||||
#else
|
||||
#define LINK_PIE_SPEC "%{pie:} "
|
||||
#define LD_PIE_SPEC ""
|
||||
#endif
|
||||
#define LINK_PIE_SPEC "%{no-pie:} " "%{" PIE_SPEC ":" LD_PIE_SPEC "} "
|
||||
#endif
|
||||
|
||||
#ifndef LINK_BUILDID_SPEC
|
||||
|
|
|
|||
|
|
@ -741,6 +741,15 @@ finish_options (struct gcc_options *opts, struct gcc_options *opts_set,
|
|||
|
||||
if (!opts->x_flag_opts_finished)
|
||||
{
|
||||
/* We initialize opts->x_flag_pie to -1 so that targets can set a
|
||||
default value. */
|
||||
if (opts->x_flag_pie == -1)
|
||||
{
|
||||
if (opts->x_flag_pic == 0)
|
||||
opts->x_flag_pie = DEFAULT_FLAG_PIE;
|
||||
else
|
||||
opts->x_flag_pie = 0;
|
||||
}
|
||||
if (opts->x_flag_pie)
|
||||
opts->x_flag_pic = opts->x_flag_pie;
|
||||
if (opts->x_flag_pic && !opts->x_flag_pie)
|
||||
|
|
|
|||
|
|
@ -1,3 +1,7 @@
|
|||
2015-05-27 H.J. Lu <hongjiu.lu@intel.com>
|
||||
|
||||
* Makefile.in (CRTSTUFF_CFLAGS): Add $(NO_PIE_CFLAGS).
|
||||
|
||||
2015-05-27 John Marino <gnugcc@marino.st>
|
||||
|
||||
* config.host (i[34567]86-*-freebsd*, x86_64-*-freebsd*): Set
|
||||
|
|
|
|||
|
|
@ -285,7 +285,7 @@ INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
|
|||
|
||||
# Options to use when compiling crtbegin/end.
|
||||
CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \
|
||||
-finhibit-size-directive -fno-inline -fno-exceptions \
|
||||
$(NO_PIE_CFLAGS) -finhibit-size-directive -fno-inline -fno-exceptions \
|
||||
-fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \
|
||||
-fbuilding-libgcc -fno-stack-protector $(FORCE_EXPLICIT_EH_REGISTRY) \
|
||||
$(INHIBIT_LIBC_CFLAGS)
|
||||
|
|
|
|||
Loading…
Reference in New Issue