Move crtstuff support to toplevel libgcc

	gcc:
	* config.gcc (extra_parts): Remove.
	(*-*-freebsd*): Remove extra_parts.
	(*-*-linux*, frv-*-*linux*, *-*-kfreebsd*-gnu, *-*-knetbsd*-gnu,
	*-*-gnu*, *-*-kopensolaris*-gnu): Likewise.
	(*-*-netbsd*): Remove t-libc-ok, t-netbsd from tmake_file.
	Remove extra_parts for *-*-netbsd*1.[7-9]*, *-*-netbsd[2-9]*,
	*-*-netbsdelf[2-9]*.
	(*-*-openbsd*): Remove t-libc-ok from tmake_file.
	(alpha*-*-linux*): Remove extra_parts.
	(alpha*-*-freebsd*): Likewise.
	(bfin*-linux-uclibc*): Likewise.
	(fr30-*-elf): Likewise.
	(moxie-*-elf): Likewise.
	(moxie-*-uclinux*): Likewise.
	(h8300-*-rtems*): Remove h8300/t-elf from tmake_file.
	(h8300-*-elf*): Likewise.
	(hppa*64*-*-hpux11*): Remove extra_parts.
	(i[34567]86-*-elf*): Remove i386/t-i386elf, i386/t-crtstuff from
	tmake_file.
	(x86_64-*-elf*): Likewise.
	(i[34567]86-*-freebsd*): Remove tmake_file.
	(x86_64-*-freebsd*): Likewise.
	(x86_64-*-netbsd*): Likewise.
	(i[34567]86-*-openbsd2.*, i[34567]86-*openbsd3.[0123]): Remove
	t-libc-ok from tmake_file.
	(i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
	i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*,
	i[34567]86-*-kopensolaris*-gnu): Remove i386/t-crtstuff from tmake_file.
	Remove extra_parts.
	(x86_64-*-linux*, x86_64-*-kfreebsd*-gnu, x86_64-*-knetbsd*-gnu):
	Remove i386/t-crtstuff from tmake_file.
	(i[34567]86-*-lynxos*): Likewise.
	Remove extra_parts.
	(ia64*-*-elf*): Remove extra_parts.
	(ia64*-*-freebsd*): Likewise.
	(ia64*-*-linux*): Likewise.
	(ia64-hp-*vms*): Remove ia64/t-vms from tmake_file.
	(m32r-*-elf*): Remove extra_parts.
	(m32rle-*-elf*): Likewise.
	(m32r-*-rtems*): Likewise.
	(m68k-*-elf*, fido-*-elf*): Likewise.
	(m68k*-*-openbsd*): Remove t-libc-ok from tmake_file.
	(m68k-*-rtems*): Remove extra_parts.
	(mep-*-*): Likewise.
	(microblaze*-linux*): Likewise.
	(mips64*-*-linux*, mipsisa64*-*-linux*): Likewise.
	(mips*-*-linux*): Likewise.
	(powerpc-*-lynxos*): Likewise.
	(s390x-ibm-tpf*): Likewise.
	(score-*-elf): Likewise.
	Remove tmake_file.
	(sh-*-elf*, sh[12346l]*-*-elf*, sh-*-linux*, sh[2346lbe]*-*-linux*,
	sh-*-netbsdelf*, shl*-*-netbsdelf*, sh5-*-netbsd*, sh5l*-*-netbsd*,
	sh64-*-netbsd*, sh64l*-*-netbsd*): Remove sh/t-elf from tmake_file.
	Remove sh/t-superh from tmake_file for sh*-superh-elf.
	Remove sh/t-linux64 from tmake_file for sh64*-*-linux*.
	(sh-*-rtems*): Remove sh/t-elf from tmake_file.
	(sh-wrs-vxworks): Likewise.
	(sparc-*-linux*): Remove extra_parts.
	(sparc64-*-linux*): Likewise.
	(sparc64-*-freebsd*, ultrasparc-*-freebsd*): Likewise.
	(xstormy16-*-elf): Likewise.
	(xtensa*-*-linux*): Remove xtensa/t-linux from tmake_file.
	(am33_2.0-*-linux*): Remove extra_parts.
	* configure.ac (extra_parts): Don't substitute.
	* configure: Regenerate.
	* crtstuff.c: Move to ../libgcc.
	* Makefile.in (CRTSTUFF_CFLAGS): Remove.
	(EXTRA_PARTS): Remove.
	(CRTSTUFF_T_CFLAGS): Remove.
	(MOSTLYCLEANFILES): Remove $(EXTRA_PARTS).
	(GCC_EXTRA_PARTS): Remove.
	(libgcc.mvars): Remove GCC_EXTRA_PARTS, CRTSTUFF_CFLAGS,
	CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S.
	Emit GCC_CFLAGS, INHIBIT_LIBC_CFLAGS.
	($(T)crtbegin.o, $(T)crtend.o, $(T)crtbeginS.o, $(T)crtendS.o)
	($(T)crtbeginT.o): Remove.
	* config/alpha/t-vms (EXTRA_PARTS): Remove.
	($(T)vms-dwarf2.o, $(T)vms-dwarf2eh.o): Remove.
	* config/alpha/vms-dwarf2.asm: Move to
	../libgcc/config/alpha/vms-dwarf2.S.
	* config/alpha/vms-dwarf2eh.asm: Move to
	../libgcc/config/alpha/vms-dwarf2eh.S.
	* config/arm/crti.asm: Move to ../libgcc/config/arm/crti.S.
	* config/arm/crtn.asm: Move to ../libgcc/config/arm/crtn.S.
	* config/arm/t-arm-elf (EXTRA_MULTILIB_PARTS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/arm/t-linux: Remove comment.
	* config/arm/t-linux-eabi (EXTRA_MULTILIB_PARTS): Remove.
	* config/arm/t-strongarm-elf (EXTRA_MULTILIB_PARTS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/arm/t-symbian (EXTRA_MULTILIB_PARTS): Remove.
	* config/bfin/crti.s: Move to ../libgcc/config/bfin/crti.S.
	* config/bfin/crtn.s: Move to ../libgcc/config/bfin/crtn.S.
	* config/bfin/crtlibid.s: Move to ../libgcc/config/bfin/crtlibid.S.
	* config/bfin/t-bfin (EXTRA_PARTS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/bfin/t-bfin-elf (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crti.o, $(T)crtn.o, $(T)crtlibid.o): Remove
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/bfin/t-bfin-linux (CRTSTUFF_T_CFLAGS,
	EXTRA_MULTILIB_PARTS): Remove.
	* config/bfin/t-bfin-uclinux (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crtlibid.o): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/c6x/crti.s: Move to ../libgcc/config/c6x/crti.S.
	* config/c6x/crtn.s: Move to ../libgcc/config/c6x/crtn.S.
	* config/c6x/t-c6x-elf ($(T)crti.o, $(T)crtn.o): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	(CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Remove.
	* config/c6x/t-c6x-uclinux (CRTSTUFF_T_CFLAGS,
	CRTSTUFF_T_CFLAGS_S): Remove.
	* config/cris/t-elfmulti (CRTSTUFF_T_CFLAGS): Remove.
	* config/cris/t-linux (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/fr30/crti.asm: Move to ../libgcc/config/fr30/crti.S.
	* config/fr30/crtn.asm: Move to ../libgcc/config/fr30/crtn.S.
	* config/fr30/t-fr30 ($(T)crti.o, $(T)crtn.o): Remove.
	* config/frv/frvbegin.c, config/frv/frvend.c: Move to
	../libgcc/config/frv.
	* config/frv/t-frv (EXTRA_MULTILIB_PARTS): Remove.
	(FRVSTUFF_CFLAGS, $(T)frvbegin$(objext), $(T)frvend$(objext)): Remove.
	* config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove.
	(CRTSTUFF_T_CFLAGS): Remove.
	* config/h8300/crti.asm: Move to ../libgcc/config/h8300/crti.S.
	* config/h8300/crtn.asm: Move to ../libgcc/config/h8300/crtn.S.
	* config/h8300/t-elf: Remove.
	* config/i386/cygming-crtbegin.c, config/i386/cygming-crtend.c:
	Move to ../libgcc/config/i386.
	* config/i386/t-crtstuff: Remove.
	* config/i386/t-i386elf: Remove.
	* config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Remove.
	* config/i386/t-nto (CRTSTUFF_T_CFLAGS, EXTRA_PARTS): Remove.
	* config/ia64/crtbegin.asm: Move to
	../libgcc/config/ia64/crtbegin.S.
	* config/ia64/crtend.asm: Move to
	../libgcc/config/ia64/crtend.S.
	* config/ia64/crti.asm: Move to ../libgcc/config/ia64/crti.S.
	* config/ia64/crtn.asm: Move to ../libgcc/config/ia64/crtn.S.
	* config/ia64/t-vms: Remove.
	* config/ia64/vms-crtinit.asm: Move to
	../libgcc/config/ia64/vms-crtinit.S.
	* config/m32c/t-m32c (EXTRA_MULTILIB_PARTS): Remove.
	* config/m32r/initfini.c: Move to ../libgcc/config/m32r.
	* config/m32r/t-linux (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/m32r/t-m32r (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crtinit.o, $(T)crtfini.o): Remove.
	(m32rx, m32r2): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/m68k/crti.s: Move to ../libgcc/config/m68k/crti.S.
	* config/m68k/crtn.s: Move to ../libgcc/config/m68k/crtn.S.
	* config/m68k/t-crtstuff: Remove.
	* config/m68k/t-linux (EXTRA_MULTILIB_PARTS): Remove.
	* config/m68k/t-m68kelf: Remove.
	* config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Remove.
	* config/mcore/crti.asm: Move to ../libgcc/config/mcore/crti.S.
	* config/mcore/crtn.asm: Move to ../libgcc/config/mcore/crtn.S.
	* config/mcore/t-mcore ($(T)crti.o, $(T)crtn.o): Remove.
	(EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Remove.
	* config/mep/t-mep (CRTSTUFF_CFLAGS): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/microblaze/crti.s: Move to ../libgcc/config/microblaze/crti.S.
	* config/microblaze/crtn.s: Move to ../libgcc/config/microblaze/crtn.S.
	* config/microblaze/t-microblaze (EXTRA_MULTILIB_PARTS,
	EXTRA_PARTS): Remove.
	($(T)crti$(objext), $(T)crtn$(objext)): Remove.
	* config/mips/crti.asm: Move to ../libgcc/config/mips/crti.S.
	* config/mips/crtn.asm: Move to ../libgcc/config/mips/crtn.S.
	* config/mips/t-elf (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/mips/t-isa3264: Likewise.
	* config/mips/t-linux64 (EXTRA_MULTILIB_PARTS): Remove.
	* config/mips/t-r3900 (EXTRA_MULTILIB_PARTS): Remove.
	(CRTSTUFF_T_CFLAGS): Remove.
	* config/mips/t-sde (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/mips/t-sr71k (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS):
	Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/mips/t-st (EXTRA_MULTILIB_PARTS): Remove.
	* config/mips/t-vr (CRTSTUFF_T_CFLAGS): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/mmix/crti.asm: Move to ../libgcc/config/crti.S.
	* config/mmix/crtn.asm: Move to ../libgcc/config/crtn.S.
	* config/mmix/t-mmix (CRTSTUFF_T_CFLAGS): Remove.
	* config/moxie/crti.asm, config/moxie/crtn.asm: Remove.
	* config/pa/stublib.c: Move to libgcc/config/pa.
	* config/pa/t-linux (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/pa/t-linux64 (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/pa/t-pa-hpux11 (LIBGCCSTUB_OBJS, stublib.c): Remove.
	(pthread_default_stacksize_np-stub.o, pthread_mutex_lock-stub.o)
	(pthread_mutex_unlock-stub.o, pthread_once-stub.o)
	($(T)libgcc_stub.a): Remove.
	* config/pa/t-pa64 (LIBGCCSTUB_OBJS, stublib.c): Remove.
	(rfi-stub.o, dfi-stub.o, cxaf-stub.o, jvrc-stub.o)
	(pthread_default_stacksize_np-stub.o, pthread_mutex_lock-stub.o)
	(pthread_mutex_unlock-stub.o, pthread_once-stub.o)
	($(T)libgcc_stub.a): Remove.
	* config/rs6000/eabi-cn.asm: Move to
	../../../libgcc/config/rs6000/eabi-cn.S.
	* config/rs6000/eabi-ci.asm: Move to
	../../../libgcc/config/rs6000/eabi-ci.S.
	* config/rs6000/sol-ci.asm: Move to
	../../../libgcc/config/rs6000/sol-ci.S.
	* config/rs6000/sol-cn.asm: Move to
	../../../libgcc/config/rs6000/sol-cn.S.
	* config/rs6000/t-lynx (EXTRA_MULTILIB_PARTS): Remove.
	(CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Remove.
	* config/rs6000/t-netbsd (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S):
	Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Remove.
	(ecrti.S, ecrtn.S, ncrti.S, ncrtn.S): Remove.
	($(T)ecrti$(objext), $(T)ecrtn$(objext), $(T)ncrti$(objext),
	$(T)ncrtn$(objext)): Remove.
	(CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Remove.
	* config/rs6000/t-vxworks (EXTRA_MULTILIB_PARTS): Remove.
	* config/rx/t-rx (EXTRA_MULTILIB_PARTS): Remove.
	* config/score/crti.asm: Move to ../libgcc/config/score/crti.S.
	* config/score/crtn.asm: Move to ../libgcc/config/score/crtn.S.
	* config/score/t-score-elf: Remove.
	* config/sh/crt1.asm: Move to ../libgcc/config/sh/crt1.S.
	* config/sh/crti.asm: Move to ../libgcc/config/sh/crti.S.
	* config/sh/crtn.asm: Move to ../libgcc/config/sh/crtn.S.
	* config/sh/lib1funcs-4-300.asm: Move to
	../../../libgcc/config/sh/lib1funcs-4-300.S.
	* config/sh/lib1funcs-Os-4-200.asm: Move to
	../libgcc/config/sh/lib1funcs-Os-4-200.S.
	* config/sh/t-elf: Remove.
	* config/sh/t-linux (EXTRA_MULTILIB_PARTS): Remove.
	* config/sh/t-linux64: Remove.
	* config/sh/t-netbsd (EXTRA_MULTILIB_PARTS): Remove.
	* config/sh/t-sh ($(T)crt1.o, $(T)crti.o, $(T)crtn.o): Remove.
	(IC_EXTRA_PARTS, OPT_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Remove.
	($(T)ic_invalidate_array_4-100.o)
	($(T)libic_invalidate_array_4-100.a)
	($(T)ic_invalidate_array_4-200.o)
	($(T)libic_invalidate_array_4-200.a, $(T)ic_invalidate_array_4a.o)
	($(T)libic_invalidate_array_4a.a, $(T)sdivsi3_i4i-Os-4-200.o)
	($(T)udivsi3_i4i-Os-4-200.o, $(T)unwind-dw2-Os-4-200.o)
	($(T)libgcc-Os-4-200.a, $(T)div_table-4-300.o)
	($(T)libgcc-4-300.a): Remove.
	* config/sh/t-superh: Remove.
	* config/sh/t-vxworks (EXTRA_MULTILIB_PARTS): Remove.
	* config/sparc/t-linux64 (CRTSTUFF_T_CFLAGS): Remove.
	* config/spu/cache.S: Move to ../libgcc/config/spu.
	* config/spu/cachemgr.c: Move to ../libgcc/config/spu.
	* config/spu/t-spu-elf (CRTSTUFF_T_CFLAGS): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	($(T)cachemgr.o, $(T)cachemgr_nonatomic.o, $(T)libgcc_%.a): Remove.
	($(T)cache8k.o, $(T)cache16k.o, $(T)cache32k.o, $(T)cache32k.o)
	($(T)cache64k.o, $(T)cache128k.o): Remove.
	* config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/t-libc-ok: Remove.
	* config/t-linux (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/t-lynx (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/t-netbsd: Remove.
	* config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/t-vxworks (EXTRA_MULTILIB_PARTS): Remove.
	* config/vms/t-vms (VMS_EXTRA_PARTS): Remove.
	($(T)vcrt0.o, $(T)pcrt0.o): Remove.
	* config/vms/vms-ucrt0.c: Move to ../libgcc/config/vms.
	* config/xtensa/crti.asm: Move to ../libgcc/config/xtensa/crti.S.
	* config/xtensa/crtn.asm: Move to ../libgcc/config/xtensa/crtn.S.
	* config/xtensa/t-elf (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S):
	Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/xtensa/t-linux: Remove.
	* config/xtensa/t-xtensa ($(T)crti.o, $(T)crtn.o): Remove.

	gcc/po:
	* EXCLUDES (crtstuff.c): Remove.

	libgcc:
	* crtstuff.c: New file.
	* Makefile.in (CRTSTUFF_CFLAGS): Define.
	(CRTSTUFF_T_CFLAGS): Define.
	(extra-parts, INSTALL_PARTS): Remove conditional assignments.
	(crtbegin$(objext), crtend$(objext), crtbeginS$(objext))
	(crtendS$(objext), crtbeginT.o): Use $(srcdir) to refer to
	crtstuff.c.
	Use $<.
	(crtbeginT.o): Use $(objext).
	[!CUSTOM_CRTIN] (crti$(objext), crtn$(objext)): New rules.
	(libgcc-extra-parts): Don't compare EXTRA_PARTS, GCC_EXTRA_PARTS.
	(gcc-extra-parts): Remove.
	* config.host (*-*-freebsd*): Add t-crtstuff-pic to tmake_file.
	Set extra_parts.
	(*-*-linux*, frv-*-*linux*, *-*-kfreebsd*-gnu, *-*-knetbsd*-gnu,
	*-*-gnu*): Also handle *-*-kopensolaris*-gnu.
	Add t-crtstuff-pic to tmake_file.
	(*-*-lynxos*): New case.
	Set tmake_file, extra_parts.
	(*-*-netbsd*): Add t-crtstuff-pic to tmake_file.
	Set extra_parts for *-*-netbsd*1.[7-9]*, *-*-netbsd[2-9]*,
	*-*-netbsdelf[2-9]*.
	(*-*-openbsd*): Add t-crtstuff-pic to tmake_file.
	(*-*-rtems*): Set extra_parts.
	(*-*-solaris2*): Remove t-crtin from tmake_file for Solaris < 10.
	(*-*-uclinux*): New case.
	Set extra_parts.
	(*-*-vms*): New case.
	Set tmake_file, extra_parts.
	(*-*-elf): Set extra_parts.
	(alpha*-*-freebsd*): Add crtbeginT.o to extra_parts.
	(alpha64-dec-*vms*): Append to tmake_file, remove vms/t-vms,
	vms/t-vms64.
	Set extra_parts.
	(alpha*-dec-*vms*): Append to tmake_file, remove vms/t-vms.
	Set extra_parts.
	(arm*-*-freebsd*): Add t-crtin to tmake_file.
	Add crtbegin.o, crtend.o, crti.o, crtn.o to extra_parts.
	(arm-wrs-vxworks): Append to tmake_file.
	Set extra_parts.
	(arm*-*-uclinux*): Set extra_parts.
	(arm*-*-ecos-elf): Likewise.
	(arm*-*-eabi*, arm*-*-symbianelf*): Set extra_parts for
	arm*-*-eabi*.
	(arm*-*-rtems*): Set extra_parts.
	(arm*-*-elf): Likewise.
	(avr-*-rtems*): Clear extra_parts.
	(bfin*-elf*): Add bfin/t-crtlibid, bfin/t-crtstuff to extra_parts.
	Set extra_parts.
	(bfin*-uclinux*): Likewise.
	(bfin*-linux-uclibc*): Add bfin/t-crtstuff to tmake_file.
	(bfin*-rtems*): Append to tmake_file.
	Set extra_parts.
	(bfin*-*): Likewise.
	(crisv32-*-elf, crisv32-*-none, cris-*-elf, cris-*-none): Split into ...
	(crisv32-*-elf): ... this.
	(crisv32-*-none): ... this.
	(cris-*-elf, cris-*-none): New cases.
	Add cris/t-elfmulti to tmake_file.
	(fr30-*-elf): Append to tmake_file.
	Set extra_parts.
	(frv-*-elf): Append to tmake_file, add frv/t-frv.
	Set extra_parts.
	(h8300-*-rtems*): Append to tmake_file.
	Set extra_parts.
	(h8300-*-elf*): Likewise.
	(hppa*64*-*-hpux11*): Add pa/t-stublib, pa/t-stublib64 to tmake_file.
	Set extra_parts.
	(hppa[12]*-*-hpux11*): Add pa/t-stublib to tmake_file.
	Set extra_parts.
	(i[34567]86-*-elf*): Add i386/t-crtstuff, t-crtstuff-pic to tmake_file.
	(x86_64-*-elf*): Likewise.
	(i[34567]86-*-freebsd*): Add i386/t-crtstuff to tmake_file.
	(x86_64-*-freebsd*): Likewise.
	(x86_64-*-netbsd*): Likewise.
	(i[34567]86-*-linux*): Likewise.
	(i[34567]86-*-kfreebsd*-gnu, i[34567]86-*-knetbsd*-gnu)
	(i[34567]86-*-gnu*, i[34567]86-*-kopensolaris*-gnu): Likewise.
	(x86_64-*-linux*): Likewise.
	(x86_64-*-kfreebsd*-gnu, x86_64-*-knetbsd*-gnu): Likewise.
	(i[34567]86-*-lynxos*): Add t-crtstuff-pic, i386/t-crtstuff to
	tmake_file.
	Set extra_parts.
	(i[34567]86-*-nto-qnx*): Set tmake_file, extra_parts.
	(i[34567]86-*-rtems*): Append to tmake_file, remove t-crtin.
	Append to extra_parts, remove crtbegin.o, crtend.o.
	(ia64*-*-elf*): Append to extra_parts, remove crtbegin.o, crtend.o.
	(ia64*-*-freebsd*): Append to extra_parts, remove crtbegin.o,
	crtend.o, crtbeginS.o, crtendS.o.
	(ia64*-*-linux*): Comment extra_parts.
	(ia64-hp-*vms*): Append to tmake_file, remove vms/t-vms, vms/t-vms64.
	Set extra_parts.
	(iq2000*-*-elf*): Clear extra_parts.
	(lm32-*-elf*, lm32-*-rtems*): Add t-crtin to tmake_file.
	(lm32-*-uclinux*): Add to extra_parts, remove crtbegin.o, crtend.o
	(m32r-*-elf*, m32r-*-rtems*): Split off ...
	(m32r-*-rtems*): ... this.
	Add m32r/t-m32r to tmake_file.
	(m68k-*-elf*): Add t-crtin to tmake_file.
	(m68k-*-rtems*): Add crti.o, crtn.o to extra_parts.
	(mcore-*-elf): Likewise.
	(microblaze*-*-*): Set extra_parts.
	(mips*-sde-elf*): New case.
	Set tmake_file, extra_parts.
	(mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
	(mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
	(mipsisa64r2-*-elf*, mipsisa64r2el-*-elf*): Add mips/t-crtstuff to
	tmake_file.
	Set extra_parts.
	(mipsisa64sr71k-*-elf*): Likewise.
	(mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*): Likewise.
	(mips-*-elf*, mipsel-*-elf*): Likewise.
	(mips64-*-elf*, mips64el-*-elf*): Likewise.
	(mips64vr-*-elf*, mips64vrel-*-elf*): Likewise.
	(mips64orion-*-elf*,  mips64orionel-*-elf*): Likewise.
	(mips*-*-rtems*): Likewise.
	(mipstx39-*-elf*, mipstx39el-*-elf*): Likewise.
	(moxie-*-*): Split into ...
	(moxie-*-elf, moxie-*-uclinux*): ... this.
	Add to extra_parts, remove crtbegin.o, crtend.o.
	(moxie-*-rtems*): New case.
	Set tmake_file.
	Clear extra_parts.
	(powerpc-*-freebsd*): Add rs6000/t-crtstuff to tmake_file.
	Set extra_parts.
	(powerpc-*-netbsd*): Add rs6000/t-netbsd to tmake_file.
	(powerpc-*-eabispe*): Add rs6000/t-crtstuff, t-crtstuff-pic to
	tmake_file.
	Set extra_parts.
	(powerpc-*-eabisimaltivec*): Add to tmake_file, add rs6000/t-ppccomm,
	rs6000/t-crtstuff, t-crtstuff-pic to tmake_file.
	Set extra_parts.
	(powerpc-*-eabisim*): Likewise.
	(powerpc-*-elf*): Likewise.
	(powerpc-*-eabialtivec*): Likewise.
	(powerpc-xilinx-eabi*): Likewise.
	(powerpc-*-eabi*): Likewise.
	(powerpc-*-rtems*): Likewise.
	(powerpc-*-linux*, powerpc64-*-linux*): Add rs6000/t-crtstuff to
	tmake_file.
	Set extra_parts.
	(powerpc-*-lynxos*): Add to tmake_file.
	(powerpcle-*-elf*): Add to tmake_file, add rs6000/t-ppccomm,
	rs6000/t-crtstuff, t-crtstuff-pic.
	Set extra_parts.
	(powerpcle-*-eabisim*): Likewise.
	(powerpcle-*-eabi*): Likewise.
	(rx-*-elf): Remove extra_parts.
	(s390x-ibm-tpf*): Set extra_parts.
	(score-*-elf): Set extra_parts.
	(sh-*-elf*, sh[12346l]*-*-elf*, sh-*-linux*)
	(sh[2346lbe]*-*-linux*, sh-*-netbsdelf*, shl*-*-netbsdelf*)
	(sh5-*-netbsd*, sh5l*-*-netbsd*, sh64-*-netbsd*)
	(sh64l*-*-netbsd*): Split into ...
	(sh-*-elf*, sh[12346l]*-*-elf*): ... this.
	Add t-crtstuff-pic to tmake_file.
	Set extra_parts.
	(sh-*-rtems*): Add to tmake_file, add t-crtstuff-pic.
	Set extra_parts.
	(sh-wrs-vxworks): Add to tmake_file, add t-crtstuff-pic.
	(sparc-*-elf*): Remove t-crtin from tmake_file.
	Add to extra_parts, remove crtbegin.o, crtend.o.
	(sparc-*-linux*): Add sparc/t-linux64 to tmake_file.
	(sparc64-*-linux*): Likewise.
	(sparc-*-rtems*): Remove sparc/t-elf from tmake_file.
	Add to extra_parts, remove crtbegin.o, crtend.o.
	(sparc64-*-elf*): Remove t-crtin from tmake_file.
	Add to extra_parts, remove crtbegin.o, crtend.o.
	(sparc64-*-rtems*): Remove t-crtin from tmake_file.
	Add to extra_parts, remove crtbegin.o, crtend.o.
	(sparc64-*-freebsd*, ultrasparc-*-freebsd*): Add to extra_parts.
	(sparc64-*-linux*): Add sparc/t-linux64 to tmake_file.
	(spu-*-elf*): Add to tmake_file, add spu/t-elf.
	Set extra_parts.
	(tic6x-*-uclinux): Add c6x/t-uxlinux, t-crtstuff-pic to tmake_file.
	Set extra_parts.
	(tic6x-*-*): Change to ...
	(tic6x-*-elf): ... this.
	Set extra_parts.
	(xtensa*-*-elf*): Add to tmake_file, add xtensa/t-elf.
	Set extra_parts.
	(am33_2.0-*-linux*): Add comment.
	(mep*-*-*): Add mep/t-mep to tmake_file.
	Set extra_parts.
	* config/alpha/t-vms: New file.
	* config/alpha/vms-dwarf2.S, config/alpha/vms-dwarf2eh.S: New files.
	* config/arm/crti.S, config/arm/crtn.S: New files.
	* config/bfin/crti.S, config/bfin/crtn.S: New files.
	* config/bfin/crtlibid.S: New file.
	* config/bfin/t-crtlibid, config/bfin/t-crtstuff: New files.
	* config/c6x/crti.S, config/c6x/crtn.S: New files.
	* config/c6x/t-elf (CUSTOM_CRTIN): Set.
	(crti.o, crtin.o): New rules.
	(CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Set.
	* config/c6x/t-uclinux: New file.
	* config/cris/t-elfmulti: New file.
	* config/cris/t-linux (CRTSTUFF_T_CFLAGS_S): Set.
	* config/fr30/crti.S, config/fr30/crtn.S: New files.
	* config/frv/frvbegin.c, config/frv/frvend.c: New files.
	* config/frv/t-frv: New file.
	* config/frv/t-linux (CRTSTUFF_T_CFLAGS): Set.
	* config/h8300/crti.S, config/h8300/crtn.S: New files.
	* config/i386/cygming-crtbegin.c, config/i386/cygming-crtend.c:
	New files.
	* config/i386/t-cygming (crtbegin.o, crtend.o): Use $(srcdir) to
	refer to cygming-crtbegin.c, cygming-crtend.c.
	Use $<.
	* config/i386/t-nto: New file.
	* config/ia64/crtbegin.S, config/ia64/crtend.S: New files.
	* config/ia64/crti.S, config/ia64/crtn.S: New files.
	* config/ia64/t-ia64 (crtbegin.o, crtend.o, crtbeginS.o,
	crtendS.o): Use $(srcdir) to refer to crtbegin.S, crtend.S.
	Use .S extension.
	Use $<.
	* config/ia64/t-vms (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Set.
	(crtinitS.o): New rule.
	* config/ia64/vms-crtinit.S: New file.
	* config/lm32/t-elf ($(T)crti.o, $(T)crtn.o): Remove.
	* config/m32r/initfini.c: New file.
	* config/m32r/t-linux, config/m32r/t-m32r: New files.
	* config/m68k/crti.S, config/m68k/crtn.S: New files.
	* config/mcore/crti.S, config/mcore/crtn.S: New files.
	* config/mep/t-mep: New file.
	* config/microblaze/crti.S, config/microblaze/crtn.S: New files.
	* config/microblaze/t-microblaze (MULTILIB_OPTIONS): Remove.
	* config/mips/crti.S, config/mips/crtn.S: New files.
	* config/mips/t-crtstuff: New file.
	* config/mmix/crti.S, config/mmix/crtn.S: New files.
	* config/mmix/t-mmix (CRTSTUFF_T_CFLAGS): Set.
	(CUSTOM_CRTIN): Set.
	($(T)crti.o, $(T)crtn.o): Remove $(T),
	dependencies.
	Use $(srcdir) to refer to crti.S, crtn.S.
	Use .S extension, $<.
	* config/moxie/crti.asm: Rename to ...
	* config/moxie/crti.S: ... this.
	* config/moxie/crtn.asm: Rename to ...
	* config/moxie/crtn.S: ... this.
	* config/moxie/t-moxie: Remove.
	* config/pa/stublib.c: New file.
	* config/pa/t-stublib, config/pa/t-stublib64: New files.
	* config/rs6000/eabi-ci.S, config/rs6000/eabi-cn.S: New files.
	* config/rs6000/sol-ci.S, config/rs6000/sol-cn.S: New files.
	* config/rs6000/t-crtstuff: New file.
	* config/rs6000/t-ppccomm (EXTRA_PARTS): Remove.
	(ecrti.S, ecrtn.S, ncrti.S, ncrtn.S): Remove.
	(ecrti$(objext)): Depend on $(srcdir)/config/rs6000/eabi-ci.S.
	Make output file explicit.
	(ecrtn$(objext)): Depend on $(srcdir)/config/rs6000/eabi-cn.S.
	Make output file explicit.
	(ncrti$(objext): Depend on $(srcdir)/config/rs6000/sol-ci.S.
	Make output file explicit.
	(ncrtn$(objext)): Depend on $(srcdir)/config/rs6000/sol-cn.S.
	Make output file explicit.
	* config/score/crti.S, config/score/crtn.S: New files.
	* config/sh/crt1.S, config/sh/crti.S, config/sh/crtn.S: New files.
	* config/sh/lib1funcs-4-300.S, config/sh/lib1funcs-Os-4-200.S: New
	files.
	* config/sh/t-sh, config/sh/t-superh: New files.
	* config/sparc/t-linux64: New file.
	* config/spu/cache.S, config/spu/cachemgr.c: New files.
	* config/spu/t-elf (CRTSTUFF_T_CFLAGS): Set.
	(cachemgr.o, cachemgr_nonatomic.o, libgcc_%.a, cache8k.o)
	(cache16k.o, cache32k.o, cache64k.o, cache128k.o): New rules.
	* config/t-crtin: Remove.
	* config/t-crtstuff-pic: New file.
	* config/t-sol2 (CUSTOM_CRTIN): Set.
	(crti.o, crtn.o): New rules.
	* config/vms/t-vms: New file.
	* config/vms/vms-ucrt0.c: New file.
	* config/xtensa/t-elf: New file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180771 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 650 insertions, 0 deletions

diff --git a/libgcc/crtstuff.c b/libgcc/crtstuff.c
new file mode 100644
index 00000000000..010d472765d
--- /dev/null
+++ b/libgcc/crtstuff.c
@@ -0,0 +1,650 @@
+/* Specialized bits of code needed to support construction and
+   destruction of file-scope objects in C++ code.
+   Copyright (C) 1991, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+   2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2011
+   Free Software Foundation, Inc.
+   Contributed by Ron Guilmette (rfg@monkeys.com).
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+/* This file is a bit like libgcc2.c in that it is compiled
+   multiple times and yields multiple .o files.
+
+   This file is useful on target machines where the object file format
+   supports multiple "user-defined" sections (e.g. COFF, ELF, ROSE).  On
+   such systems, this file allows us to avoid running collect (or any
+   other such slow and painful kludge).  Additionally, if the target
+   system supports a .init section, this file allows us to support the
+   linking of C++ code with a non-C++ main program.
+
+   Note that if INIT_SECTION_ASM_OP is defined in the tm.h file, then
+   this file *will* make use of the .init section.  If that symbol is
+   not defined however, then the .init section will not be used.
+
+   Currently, only ELF and COFF are supported.  It is likely however that
+   ROSE could also be supported, if someone was willing to do the work to
+   make whatever (small?) adaptations are needed.  (Some work may be
+   needed on the ROSE assembler and linker also.)
+
+   This file must be compiled with gcc.  */
+
+/* Target machine header files require this define. */
+#define IN_LIBGCC2
+
+/* FIXME: Including auto-host is incorrect, but until we have
+   identified the set of defines that need to go into auto-target.h,
+   this will have to do.  */
+#include "auto-host.h"
+#undef pid_t
+#undef rlim_t
+#undef ssize_t
+#undef vfork
+#include "tconfig.h"
+#include "tsystem.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "unwind-dw2-fde.h"
+
+#ifndef FORCE_CODE_SECTION_ALIGN
+# define FORCE_CODE_SECTION_ALIGN
+#endif
+
+#ifndef CRT_CALL_STATIC_FUNCTION
+# define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC)	\
+static void __attribute__((__used__))			\
+call_ ## FUNC (void)					\
+{							\
+  asm (SECTION_OP);					\
+  FUNC ();						\
+  FORCE_CODE_SECTION_ALIGN				\
+  asm (TEXT_SECTION_ASM_OP);				\
+}
+#endif
+
+#if defined(OBJECT_FORMAT_ELF) \
+    && !defined(OBJECT_FORMAT_FLAT) \
+    && defined(HAVE_LD_EH_FRAME_HDR) \
+    && !defined(inhibit_libc) && !defined(CRTSTUFFT_O) \
+    && defined(__FreeBSD__) && __FreeBSD__ >= 7
+#include <link.h>
+# define USE_PT_GNU_EH_FRAME
+#endif
+
+#if defined(OBJECT_FORMAT_ELF) \
+    && !defined(OBJECT_FORMAT_FLAT) \
+    && defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR) \
+    && !defined(inhibit_libc) && !defined(CRTSTUFFT_O) \
+    && defined(__sun__) && defined(__svr4__)
+#include <link.h>
+# define USE_PT_GNU_EH_FRAME
+#endif
+
+#if defined(OBJECT_FORMAT_ELF) \
+    && !defined(OBJECT_FORMAT_FLAT) \
+    && defined(HAVE_LD_EH_FRAME_HDR) \
+    && !defined(inhibit_libc) && !defined(CRTSTUFFT_O) \
+    && defined(__GLIBC__) && __GLIBC__ >= 2
+#include <link.h>
+/* uClibc pretends to be glibc 2.2 and DT_CONFIG is defined in its link.h.
+   But it doesn't use PT_GNU_EH_FRAME ELF segment currently.  */
+# if !defined(__UCLIBC__) \
+     && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
+     || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
+#  define USE_PT_GNU_EH_FRAME
+# endif
+#endif
+#if defined(EH_FRAME_SECTION_NAME) && !defined(USE_PT_GNU_EH_FRAME)
+# define USE_EH_FRAME_REGISTRY
+#endif
+#if defined(EH_FRAME_SECTION_NAME) && EH_TABLES_CAN_BE_READ_ONLY
+# define EH_FRAME_SECTION_CONST const
+#else
+# define EH_FRAME_SECTION_CONST
+#endif
+
+#if !defined(DTOR_LIST_END) && defined(OBJECT_FORMAT_ELF) \
+    && defined(HAVE_GAS_HIDDEN) && !defined(FINI_ARRAY_SECTION_ASM_OP)
+# define HIDDEN_DTOR_LIST_END
+#endif
+
+/* We do not want to add the weak attribute to the declarations of these
+   routines in unwind-dw2-fde.h because that will cause the definition of
+   these symbols to be weak as well.
+
+   This exposes a core issue, how to handle creating weak references vs
+   how to create weak definitions.  Either we have to have the definition
+   of TARGET_WEAK_ATTRIBUTE be conditional in the shared header files or
+   have a second declaration if we want a function's references to be weak,
+   but not its definition.
+
+   Making TARGET_WEAK_ATTRIBUTE conditional seems like a good solution until
+   one thinks about scaling to larger problems -- i.e., the condition under
+   which TARGET_WEAK_ATTRIBUTE is active will eventually get far too
+   complicated.
+
+   So, we take an approach similar to #pragma weak -- we have a second
+   declaration for functions that we want to have weak references.
+
+   Neither way is particularly good.  */
+
+/* References to __register_frame_info and __deregister_frame_info should
+   be weak in this file if at all possible.  */
+extern void __register_frame_info (const void *, struct object *)
+				  TARGET_ATTRIBUTE_WEAK;
+extern void __register_frame_info_bases (const void *, struct object *,
+					 void *, void *)
+				  TARGET_ATTRIBUTE_WEAK;
+extern void *__deregister_frame_info (const void *)
+				     TARGET_ATTRIBUTE_WEAK;
+extern void *__deregister_frame_info_bases (const void *)
+				     TARGET_ATTRIBUTE_WEAK;
+extern void __do_global_ctors_1 (void);
+
+/* Likewise for _Jv_RegisterClasses.  */
+extern void _Jv_RegisterClasses (void *) TARGET_ATTRIBUTE_WEAK;
+
+#ifdef OBJECT_FORMAT_ELF
+
+/*  Declare a pointer to void function type.  */
+typedef void (*func_ptr) (void);
+#define STATIC static
+
+#else  /* OBJECT_FORMAT_ELF */
+
+#include "gbl-ctors.h"
+
+#define STATIC
+
+#endif /* OBJECT_FORMAT_ELF */
+
+#ifdef CRT_BEGIN
+
+/* NOTE:  In order to be able to support SVR4 shared libraries, we arrange
+   to have one set of symbols { __CTOR_LIST__, __DTOR_LIST__, __CTOR_END__,
+   __DTOR_END__ } per root executable and also one set of these symbols
+   per shared library.  So in any given whole process image, we may have
+   multiple definitions of each of these symbols.  In order to prevent
+   these definitions from conflicting with one another, and in order to
+   ensure that the proper lists are used for the initialization/finalization
+   of each individual shared library (respectively), we give these symbols
+   only internal (i.e. `static') linkage, and we also make it a point to
+   refer to only the __CTOR_END__ symbol in crtend.o and the __DTOR_LIST__
+   symbol in crtbegin.o, where they are defined.  */
+
+/* No need for .ctors/.dtors section if linker can place them in
+   .init_array/.fini_array section.  */
+#ifndef USE_INITFINI_ARRAY
+/* The -1 is a flag to __do_global_[cd]tors indicating that this table
+   does not start with a count of elements.  */
+#ifdef CTOR_LIST_BEGIN
+CTOR_LIST_BEGIN;
+#elif defined(CTORS_SECTION_ASM_OP)
+/* Hack: force cc1 to switch to .data section early, so that assembling
+   __CTOR_LIST__ does not undo our behind-the-back change to .ctors.  */
+static func_ptr force_to_data[1] __attribute__ ((__used__)) = { };
+asm (CTORS_SECTION_ASM_OP);
+STATIC func_ptr __CTOR_LIST__[1]
+  __attribute__ ((__used__, aligned(sizeof(func_ptr))))
+  = { (func_ptr) (-1) };
+#else
+STATIC func_ptr __CTOR_LIST__[1]
+  __attribute__ ((__used__, section(".ctors"), aligned(sizeof(func_ptr))))
+  = { (func_ptr) (-1) };
+#endif /* __CTOR_LIST__ alternatives */
+
+#ifdef DTOR_LIST_BEGIN
+DTOR_LIST_BEGIN;
+#elif defined(DTORS_SECTION_ASM_OP)
+asm (DTORS_SECTION_ASM_OP);
+STATIC func_ptr __DTOR_LIST__[1]
+  __attribute__ ((aligned(sizeof(func_ptr))))
+  = { (func_ptr) (-1) };
+#else
+STATIC func_ptr __DTOR_LIST__[1]
+  __attribute__((section(".dtors"), aligned(sizeof(func_ptr))))
+  = { (func_ptr) (-1) };
+#endif /* __DTOR_LIST__ alternatives */
+#endif /* USE_INITFINI_ARRAY */
+
+#ifdef USE_EH_FRAME_REGISTRY
+/* Stick a label at the beginning of the frame unwind info so we can register
+   and deregister it with the exception handling library code.  */
+STATIC EH_FRAME_SECTION_CONST char __EH_FRAME_BEGIN__[]
+     __attribute__((section(EH_FRAME_SECTION_NAME), aligned(4)))
+     = { };
+#endif /* USE_EH_FRAME_REGISTRY */
+
+#ifdef JCR_SECTION_NAME
+/* Stick a label at the beginning of the java class registration info
+   so we can register them properly.  */
+STATIC void *__JCR_LIST__[]
+  __attribute__ ((used, section(JCR_SECTION_NAME), aligned(sizeof(void*))))
+  = { };
+#endif /* JCR_SECTION_NAME */
+
+#if defined(INIT_SECTION_ASM_OP) || defined(INIT_ARRAY_SECTION_ASM_OP)
+
+#ifdef OBJECT_FORMAT_ELF
+
+/* Declare the __dso_handle variable.  It should have a unique value
+   in every shared-object; in a main program its value is zero.  The
+   object should in any case be protected.  This means the instance
+   in one DSO or the main program is not used in another object.  The
+   dynamic linker takes care of this.  */
+
+#ifdef TARGET_LIBGCC_SDATA_SECTION
+extern void *__dso_handle __attribute__ ((__section__ (TARGET_LIBGCC_SDATA_SECTION)));
+#endif
+#ifdef HAVE_GAS_HIDDEN
+extern void *__dso_handle __attribute__ ((__visibility__ ("hidden")));
+#endif
+#ifdef CRTSTUFFS_O
+void *__dso_handle = &__dso_handle;
+#else
+void *__dso_handle = 0;
+#endif
+
+/* The __cxa_finalize function may not be available so we use only a
+   weak declaration.  */
+extern void __cxa_finalize (void *) TARGET_ATTRIBUTE_WEAK;
+
+/* Run all the global destructors on exit from the program.  */
+
+/* Some systems place the number of pointers in the first word of the
+   table.  On SVR4 however, that word is -1.  In all cases, the table is
+   null-terminated.  On SVR4, we start from the beginning of the list and
+   invoke each per-compilation-unit destructor routine in order
+   until we find that null.
+
+   Note that this function MUST be static.  There will be one of these
+   functions in each root executable and one in each shared library, but
+   although they all have the same code, each one is unique in that it
+   refers to one particular associated `__DTOR_LIST__' which belongs to the
+   same particular root executable or shared library file.
+
+   On some systems, this routine is run more than once from the .fini,
+   when exit is called recursively, so we arrange to remember where in
+   the list we left off processing, and we resume at that point,
+   should we be re-invoked.  */
+
+static void __attribute__((used))
+__do_global_dtors_aux (void)
+{
+  static _Bool completed;
+
+  if (__builtin_expect (completed, 0))
+    return;
+
+#ifdef CRTSTUFFS_O
+  if (__cxa_finalize)
+    __cxa_finalize (__dso_handle);
+#endif
+
+#ifdef FINI_ARRAY_SECTION_ASM_OP
+  /* If we are using .fini_array then destructors will be run via that
+     mechanism.  */
+#elif defined(HIDDEN_DTOR_LIST_END)
+  {
+    /* Safer version that makes sure only .dtors function pointers are
+       called even if the static variable is maliciously changed.  */
+    extern func_ptr __DTOR_END__[] __attribute__((visibility ("hidden")));
+    static size_t dtor_idx;
+    const size_t max_idx = __DTOR_END__ - __DTOR_LIST__ - 1;
+    func_ptr f;
+
+    while (dtor_idx < max_idx)
+      {
+	f = __DTOR_LIST__[++dtor_idx];
+	f ();
+      }
+  }
+#else /* !defined (FINI_ARRAY_SECTION_ASM_OP) */
+  {
+    static func_ptr *p = __DTOR_LIST__ + 1;
+    func_ptr f;
+
+    while ((f = *p))
+      {
+	p++;
+	f ();
+      }
+  }
+#endif /* !defined(FINI_ARRAY_SECTION_ASM_OP) */
+
+#ifdef USE_EH_FRAME_REGISTRY
+#ifdef CRT_GET_RFIB_DATA
+  /* If we used the new __register_frame_info_bases interface,
+     make sure that we deregister from the same place.  */
+  if (__deregister_frame_info_bases)
+    __deregister_frame_info_bases (__EH_FRAME_BEGIN__);
+#else
+  if (__deregister_frame_info)
+    __deregister_frame_info (__EH_FRAME_BEGIN__);
+#endif
+#endif
+
+  completed = 1;
+}
+
+/* Stick a call to __do_global_dtors_aux into the .fini section.  */
+#ifdef FINI_SECTION_ASM_OP
+CRT_CALL_STATIC_FUNCTION (FINI_SECTION_ASM_OP, __do_global_dtors_aux)
+#elif defined (FINI_ARRAY_SECTION_ASM_OP)
+static func_ptr __do_global_dtors_aux_fini_array_entry[]
+  __attribute__ ((__used__, section(".fini_array")))
+  = { __do_global_dtors_aux };
+#else /* !FINI_SECTION_ASM_OP && !FINI_ARRAY_SECTION_ASM_OP */
+static void __attribute__((used))
+__do_global_dtors_aux_1 (void)
+{
+  atexit (__do_global_dtors_aux);
+}
+CRT_CALL_STATIC_FUNCTION (INIT_SECTION_ASM_OP, __do_global_dtors_aux_1)
+#endif
+
+#if defined(USE_EH_FRAME_REGISTRY) || defined(JCR_SECTION_NAME)
+/* Stick a call to __register_frame_info into the .init section.  For some
+   reason calls with no arguments work more reliably in .init, so stick the
+   call in another function.  */
+
+static void __attribute__((used))
+frame_dummy (void)
+{
+#ifdef USE_EH_FRAME_REGISTRY
+  static struct object object;
+#ifdef CRT_GET_RFIB_DATA
+  void *tbase, *dbase;
+  tbase = 0;
+  CRT_GET_RFIB_DATA (dbase);
+  if (__register_frame_info_bases)
+    __register_frame_info_bases (__EH_FRAME_BEGIN__, &object, tbase, dbase);
+#else
+  if (__register_frame_info)
+    __register_frame_info (__EH_FRAME_BEGIN__, &object);
+#endif /* CRT_GET_RFIB_DATA */
+#endif /* USE_EH_FRAME_REGISTRY */
+#ifdef JCR_SECTION_NAME
+  if (__JCR_LIST__[0])
+    {
+      void (*register_classes) (void *) = _Jv_RegisterClasses;
+      __asm ("" : "+r" (register_classes));
+      if (register_classes)
+	register_classes (__JCR_LIST__);
+    }
+#endif /* JCR_SECTION_NAME */
+}
+
+#ifdef INIT_SECTION_ASM_OP
+CRT_CALL_STATIC_FUNCTION (INIT_SECTION_ASM_OP, frame_dummy)
+#else /* defined(INIT_SECTION_ASM_OP) */
+static func_ptr __frame_dummy_init_array_entry[]
+  __attribute__ ((__used__, section(".init_array")))
+  = { frame_dummy };
+#endif /* !defined(INIT_SECTION_ASM_OP) */
+#endif /* USE_EH_FRAME_REGISTRY || JCR_SECTION_NAME */
+
+#else  /* OBJECT_FORMAT_ELF */
+
+/* The function __do_global_ctors_aux is compiled twice (once in crtbegin.o
+   and once in crtend.o).  It must be declared static to avoid a link
+   error.  Here, we define __do_global_ctors as an externally callable
+   function.  It is externally callable so that __main can invoke it when
+   INVOKE__main is defined.  This has the additional effect of forcing cc1
+   to switch to the .text section.  */
+
+static void __do_global_ctors_aux (void);
+void
+__do_global_ctors (void)
+{
+#ifdef INVOKE__main
+  /* If __main won't actually call __do_global_ctors then it doesn't matter
+     what's inside the function.  The inside of __do_global_ctors_aux is
+     called automatically in that case.  And the Alliant fx2800 linker
+     crashes on this reference.  So prevent the crash.  */
+  __do_global_ctors_aux ();
+#endif
+}
+
+asm (INIT_SECTION_ASM_OP);	/* cc1 doesn't know that we are switching! */
+
+/* A routine to invoke all of the global constructors upon entry to the
+   program.  We put this into the .init section (for systems that have
+   such a thing) so that we can properly perform the construction of
+   file-scope static-storage C++ objects within shared libraries.  */
+
+static void __attribute__((used))
+__do_global_ctors_aux (void)	/* prologue goes in .init section */
+{
+  FORCE_CODE_SECTION_ALIGN	/* explicit align before switch to .text */
+  asm (TEXT_SECTION_ASM_OP);	/* don't put epilogue and body in .init */
+  DO_GLOBAL_CTORS_BODY;
+  atexit (__do_global_dtors);
+}
+
+#endif /* OBJECT_FORMAT_ELF */
+
+#elif defined(HAS_INIT_SECTION) /* ! INIT_SECTION_ASM_OP */
+
+extern void __do_global_dtors (void);
+
+/* This case is used by the Irix 6 port, which supports named sections but
+   not an SVR4-style .fini section.  __do_global_dtors can be non-static
+   in this case because we protect it with -hidden_symbol.  */
+
+void
+__do_global_dtors (void)
+{
+  func_ptr *p, f;
+  for (p = __DTOR_LIST__ + 1; (f = *p); p++)
+    f ();
+
+#ifdef USE_EH_FRAME_REGISTRY
+  if (__deregister_frame_info)
+    __deregister_frame_info (__EH_FRAME_BEGIN__);
+#endif
+}
+
+#if defined(USE_EH_FRAME_REGISTRY) || defined(JCR_SECTION_NAME)
+/* A helper function for __do_global_ctors, which is in crtend.o.  Here
+   in crtbegin.o, we can reference a couple of symbols not visible there.
+   Plus, since we're before libgcc.a, we have no problems referencing
+   functions from there.  */
+void
+__do_global_ctors_1(void)
+{
+#ifdef USE_EH_FRAME_REGISTRY
+  static struct object object;
+  if (__register_frame_info)
+    __register_frame_info (__EH_FRAME_BEGIN__, &object);
+#endif
+#ifdef JCR_SECTION_NAME
+  if (__JCR_LIST__[0])
+    {
+      void (*register_classes) (void *) = _Jv_RegisterClasses;
+      __asm ("" : "+r" (register_classes));
+      if (register_classes)
+	register_classes (__JCR_LIST__);
+    }
+#endif
+}
+#endif /* USE_EH_FRAME_REGISTRY || JCR_SECTION_NAME */
+
+#else /* ! INIT_SECTION_ASM_OP && ! HAS_INIT_SECTION */
+#error "What are you doing with crtstuff.c, then?"
+#endif
+
+#elif defined(CRT_END) /* ! CRT_BEGIN */
+
+/* No need for .ctors/.dtors section if linker can place them in
+   .init_array/.fini_array section.  */
+#ifndef USE_INITFINI_ARRAY
+/* Put a word containing zero at the end of each of our two lists of function
+   addresses.  Note that the words defined here go into the .ctors and .dtors
+   sections of the crtend.o file, and since that file is always linked in
+   last, these words naturally end up at the very ends of the two lists
+   contained in these two sections.  */
+
+#ifdef CTOR_LIST_END
+CTOR_LIST_END;
+#elif defined(CTORS_SECTION_ASM_OP)
+/* Hack: force cc1 to switch to .data section early, so that assembling
+   __CTOR_LIST__ does not undo our behind-the-back change to .ctors.  */
+static func_ptr force_to_data[1] __attribute__ ((__used__)) = { };
+asm (CTORS_SECTION_ASM_OP);
+STATIC func_ptr __CTOR_END__[1]
+  __attribute__((aligned(sizeof(func_ptr))))
+  = { (func_ptr) 0 };
+#else
+STATIC func_ptr __CTOR_END__[1]
+  __attribute__((section(".ctors"), aligned(sizeof(func_ptr))))
+  = { (func_ptr) 0 };
+#endif
+
+#ifdef DTOR_LIST_END
+DTOR_LIST_END;
+#elif defined(HIDDEN_DTOR_LIST_END)
+#ifdef DTORS_SECTION_ASM_OP
+asm (DTORS_SECTION_ASM_OP);
+#endif
+func_ptr __DTOR_END__[1]
+  __attribute__ ((used,
+#ifndef DTORS_SECTION_ASM_OP
+		  section(".dtors"),
+#endif
+		  aligned(sizeof(func_ptr)), visibility ("hidden")))
+  = { (func_ptr) 0 };
+#elif defined(DTORS_SECTION_ASM_OP)
+asm (DTORS_SECTION_ASM_OP);
+STATIC func_ptr __DTOR_END__[1]
+  __attribute__ ((used, aligned(sizeof(func_ptr))))
+  = { (func_ptr) 0 };
+#else
+STATIC func_ptr __DTOR_END__[1]
+  __attribute__((used, section(".dtors"), aligned(sizeof(func_ptr))))
+  = { (func_ptr) 0 };
+#endif
+#endif /* USE_INITFINI_ARRAY */
+
+#ifdef EH_FRAME_SECTION_NAME
+/* Terminate the frame unwind info section with a 4byte 0 as a sentinel;
+   this would be the 'length' field in a real FDE.  */
+# if __INT_MAX__ == 2147483647
+typedef int int32;
+# elif __LONG_MAX__ == 2147483647
+typedef long int32;
+# elif __SHRT_MAX__ == 2147483647
+typedef short int32;
+# else
+#  error "Missing a 4 byte integer"
+# endif
+STATIC EH_FRAME_SECTION_CONST int32 __FRAME_END__[]
+     __attribute__ ((used, section(EH_FRAME_SECTION_NAME),
+		     aligned(sizeof(int32))))
+     = { 0 };
+#endif /* EH_FRAME_SECTION_NAME */
+
+#ifdef JCR_SECTION_NAME
+/* Null terminate the .jcr section array.  */
+STATIC void *__JCR_END__[1]
+   __attribute__ ((used, section(JCR_SECTION_NAME),
+		   aligned(sizeof(void *))))
+   = { 0 };
+#endif /* JCR_SECTION_NAME */
+
+#ifdef INIT_ARRAY_SECTION_ASM_OP
+
+/* If we are using .init_array, there is nothing to do.  */
+
+#elif defined(INIT_SECTION_ASM_OP)
+
+#ifdef OBJECT_FORMAT_ELF
+static void __attribute__((used))
+__do_global_ctors_aux (void)
+{
+  func_ptr *p;
+  for (p = __CTOR_END__ - 1; *p != (func_ptr) -1; p--)
+    (*p) ();
+}
+
+/* Stick a call to __do_global_ctors_aux into the .init section.  */
+CRT_CALL_STATIC_FUNCTION (INIT_SECTION_ASM_OP, __do_global_ctors_aux)
+#else  /* OBJECT_FORMAT_ELF */
+
+/* Stick the real initialization code, followed by a normal sort of
+   function epilogue at the very end of the .init section for this
+   entire root executable file or for this entire shared library file.
+
+   Note that we use some tricks here to get *just* the body and just
+   a function epilogue (but no function prologue) into the .init
+   section of the crtend.o file.  Specifically, we switch to the .text
+   section, start to define a function, and then we switch to the .init
+   section just before the body code.
+
+   Earlier on, we put the corresponding function prologue into the .init
+   section of the crtbegin.o file (which will be linked in first).
+
+   Note that we want to invoke all constructors for C++ file-scope static-
+   storage objects AFTER any other possible initialization actions which
+   may be performed by the code in the .init section contributions made by
+   other libraries, etc.  That's because those other initializations may
+   include setup operations for very primitive things (e.g. initializing
+   the state of the floating-point coprocessor, etc.) which should be done
+   before we start to execute any of the user's code.  */
+
+static void
+__do_global_ctors_aux (void)	/* prologue goes in .text section */
+{
+  asm (INIT_SECTION_ASM_OP);
+  DO_GLOBAL_CTORS_BODY;
+  atexit (__do_global_dtors);
+}				/* epilogue and body go in .init section */
+
+FORCE_CODE_SECTION_ALIGN
+asm (TEXT_SECTION_ASM_OP);
+
+#endif /* OBJECT_FORMAT_ELF */
+
+#elif defined(HAS_INIT_SECTION) /* ! INIT_SECTION_ASM_OP */
+
+extern void __do_global_ctors (void);
+
+/* This case is used by the Irix 6 port, which supports named sections but
+   not an SVR4-style .init section.  __do_global_ctors can be non-static
+   in this case because we protect it with -hidden_symbol.  */
+void
+__do_global_ctors (void)
+{
+  func_ptr *p;
+#if defined(USE_EH_FRAME_REGISTRY) || defined(JCR_SECTION_NAME)
+  __do_global_ctors_1();
+#endif
+  for (p = __CTOR_END__ - 1; *p != (func_ptr) -1; p--)
+    (*p) ();
+}
+
+#else /* ! INIT_SECTION_ASM_OP && ! HAS_INIT_SECTION */
+#error "What are you doing with crtstuff.c, then?"
+#endif
+
+#else /* ! CRT_BEGIN && ! CRT_END */
+#error "One of CRT_BEGIN or CRT_END must be defined."
+#endif