irix6 ctors
From-SVN: r12971
This commit is contained in:
Jason Merrill
parent
c8507ba06b
commit
fe1fd35341
@ -49,7 +49,7 @@ Boston, MA 02111-1307, USA. */
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%{mabi=32: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \
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%{mabi=n32: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \
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%{mabi=64: -D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int} \
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%{!mabi=32:%{!mabi=n32: %{!mabi=64: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int}}}"
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%{!mabi*: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int}"
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/* We must make -mips3 do what -mlong64 used to do. */
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/* ??? If no mipsX option given, but a mabi=X option is, then should set
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@ -67,26 +67,26 @@ Boston, MA 02111-1307, USA. */
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%{mips2: -D_MIPS_ISA=_MIPS_ISA_MIPS2} \
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%{mips3: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
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%{mips4: -D_MIPS_ISA=_MIPS_ISA_MIPS4} \
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%{!mips1: %{!mips2: %{!mips3: %{!mips4: -D_MIPS_ISA=_MIPS_ISA_MIPS3}}}} \
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%{!mips*: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \
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%{mabi=32: -D_MIPS_SIM=_MIPS_SIM_ABI32} \
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%{mabi=n32: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32} \
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%{mabi=64: -D_ABI64=3 -D_MIPS_SIM=_ABI64} \
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%{!mabi=32: %{!mabi=n32: %{!mabi=64: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32}}} \
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%{!mabi*: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32} \
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%{!mint64: -D_MIPS_SZINT=32}%{mint64: -D_MIPS_SZINT=64} \
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%{mabi=32: -D_MIPS_SZLONG=32} \
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%{mabi=n32: -D_MIPS_SZLONG=32} \
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%{mabi=64: -D_MIPS_SZLONG=64} \
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%{!mabi=32: %{!mabi=n32: %{!mabi=64: -D_MIPS_SZLONG=32}}} \
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%{!mabi*: -D_MIPS_SZLONG=32} \
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%{mabi=32: -D_MIPS_SZPTR=32} \
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%{mabi=n32: -D_MIPS_SZPTR=32} \
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%{mabi=64: -D_MIPS_SZPTR=64} \
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%{!mabi=32: %{!mabi=n32: %{!mabi=64: -D_MIPS_SZPTR=32}}} \
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%{!mabi*: -D_MIPS_SZPTR=32} \
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%{!mips1:%{!mips2: -D_COMPILER_VERSION=601}} \
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%{!mips1:%{!mips2:%{!mips3:%{!mips4: -U__mips -D__mips=3}}}} \
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%{!mips*: -U__mips -D__mips=3} \
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%{mabi=32: -U__mips64} \
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%{mabi=n32: -D__mips64} \
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%{mabi=64: -D__mips64} \
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%{!mabi=32: %{!mabi=n32: %{!mabi=64: -D__mips64}}}"
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%{!mabi*: -D__mips64}"
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/* Irix 6 uses DWARF. */
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#define DWARF_DEBUGGING_INFO
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@ -190,10 +190,10 @@ Boston, MA 02111-1307, USA. */
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/* Stuff for constructors. Start here. */
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/* The assembler now accepts .section pseudo-ops, but it does not allow
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one to change the section in the middle of a function. crtstuff relies
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on this hack, and thus crtstuff won't work here. So, we do init and
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fini sections exactly the same way as they are done for Irix 5, and
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we ifdef out the ASM_OUTPUT_{CON,DE}STRUCTOR macros below. */
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one to change the section in the middle of a function, so we can't use
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the INIT_SECTION_ASM_OP code in crtstuff. But we can build up the ctor
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and dtor lists this way, so we use -init and -fini to invoke the
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do_global_* functions instead of running collect2. */
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#define CONST_SECTION_ASM_OP_32 "\t.rdata"
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#define CONST_SECTION_ASM_OP_64 ".section\t.rodata"
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@ -269,8 +269,6 @@ dtors_section () \
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} \
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}
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#if 0
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/* A C statement (sans semicolon) to output an element in the table of
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global constructors. */
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#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
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@ -291,8 +289,6 @@ dtors_section () \
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fprintf (FILE, "\n"); \
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} while (0)
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#endif
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/* A C statement to output something to the assembler file to switch to section
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NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
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NULL_TREE. */
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@ -350,38 +346,70 @@ while (0)
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/* ??? If no mabi=X option give, but a mipsX option is, then should depend
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on the mipsX option. */
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#undef STARTFILE_SPEC
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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"%{mabi=32:%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
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%{mabi=n32:%{pg:/usr/lib32/mips3/gcrt1.o%s}%{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s}%{!p:/usr/lib32/mips3/crt1.o%s}} -L/usr/lib32/mips3} \
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%{mabi=64:%{pg:/usr/lib64/gcrt1.o}%{!pg:%{p:/usr/lib64/mcrt1.o /usr/lib64/libprof1.a}%{!p:/usr/lib64/crt1.o}}} \
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%{!mabi=32:%{!mabi=n32:%{!mabi=64:%{pg:/usr/lib32/mips3/gcrt1.o%s}%{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s}%{!p:/usr/lib32/mips3/crt1.o%s}} -L/usr/lib32/mips3}}}"
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"%{!shared: \
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%{mabi=32:%{pg:gcrt1.o%s} \
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%{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
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%{mabi=n32: \
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%{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
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%{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
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%{!p:/usr/lib32/mips4/crt1.o%s}}} \
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%{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
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%{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
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%{!p:/usr/lib32/mips3/crt1.o%s}}}} \
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%{mabi=64: \
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%{mips4:%{pg:/usr/lib64/mips4/gcrt1.o} \
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%{!pg:%{p:/usr/lib64/mips4/mcrt1.o /usr/lib64/mips4/libprof1.a} \
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%{!p:/usr/lib64/mips4/crt1.o}}} \
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%{!mips4:%{pg:/usr/lib64/mips3/gcrt1.o} \
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%{!pg:%{p:/usr/lib64/mips3/mcrt1.o /usr/lib64/mips3/libprof1.a} \
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%{!p:/usr/lib64/mips3/crt1.o}}}} \
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%{!mabi*: \
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%{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
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%{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
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%{!p:/usr/lib32/mips4/crt1.o%s}}} \
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%{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
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%{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
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%{!p:/usr/lib32/mips3/crt1.o%s}}}}} \
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%{mabi=n32: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
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-L/usr/lib32} \
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%{mabi=64: %{mips4:-L/usr/lib64/mips4} %{!mips4:-L/usr/lib64/mips3} \
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-L/usr/lib64} \
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%{!mabi*: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
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-L/usr/lib32} \
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crtbegin.o%s"
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#undef LIB_SPEC
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#define LIB_SPEC "%{p:libprof1.a%s}%{pg:libprof1.a%s} -lc"
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#define LIB_SPEC "\
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%{!shared: \
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-dont_warn_unused %{p:libprof1.a%s}%{pg:libprof1.a%s} -lc -warn_unused}"
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/* Avoid getting two warnings for libgcc.a everytime we link. */
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#undef LIBGCC_SPEC
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#define LIBGCC_SPEC "-dont_warn_unused -lgcc -warn_unused"
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/* ??? If no mabi=X option give, but a mipsX option is, then should depend
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on the mipsX option. */
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC \
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"%{mabi=32:crtn.o%s}%{mabi=n32:/usr/lib32/mips3/crtn.o%s}\
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%{mabi=64:/usr/lib64/crtn.o}\
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%{!mabi=32:%{!mabi=n32:%{!mabi=64:/usr/lib32/mips3/crtn.o%s}}}"
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"crtend.o%s \
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%{!shared: \
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%{mabi=32:crtn.o%s}\
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%{mabi=n32:%{mips4:/usr/lib32/mips4/crtn.o%s}\
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%{!mips4:/usr/lib32/mips3/crtn.o%s}}\
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%{mabi=64:%{mips4:/usr/lib64/mips4/crtn.o%s}\
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%{!mips4:/usr/lib64/mips3/crtn.o%s}}\
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%{!mabi*:%{mips4:/usr/lib32/mips4/crtn.o%s}\
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%{!mips4:/usr/lib32/mips3/crtn.o%s}}}"
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/* ??? If no mabi=X option give, but a mipsX option is, then should depend
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on the mipsX option. */
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/* ??? We use the -woff 84 option to disable the warning about linking
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with libraries that are unnecessary. This message is currently more of
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a hassle than a benefit, because we get two warnings for libgcc.a everytime
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we link. If we added the proper -dont_warn_unused/-warn_unused options
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around libgcc.a, then we can take out the -woff 84 option. */
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#undef LINK_SPEC
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#define LINK_SPEC "\
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%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
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%{bestGnum} %{shared} %{non_shared} \
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%{call_shared} %{no_archive} %{exact_version} \
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%{!shared: %{!non_shared: %{!call_shared: -call_shared -no_unresolved}}} \
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%{rpath} \
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-_SYSTYPE_SVR4 -woff 84 \
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%{mabi=32: -32}%{mabi=n32: -n32}%{mabi=64: -64} \
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%{!mabi=32:%{!mabi=n32:%{!mabi=64: -n32}}}"
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%{rpath} -init __do_global_ctors -fini __do_global_dtors \
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%{shared:-hidden_symbol __do_global_ctors,__do_global_dtors} \
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-_SYSTYPE_SVR4 %{mabi=32: -32}%{mabi=n32: -n32}%{mabi=64: -64} %{!mabi*: -n32}"
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@ -12,3 +12,8 @@ MULTILIB_MATCHES=
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LIBGCC = stmp-multilib
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INSTALL_LIBGCC = install-multilib
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# For svr4 we build crtbegin.o and crtend.o which serve to add begin and
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# end labels to the .ctors and .dtors section when we link using gcc.
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EXTRA_PARTS=crtbegin.o crtend.o
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@ -186,6 +186,21 @@ __do_global_ctors_aux () /* prologue goes in .init section */
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}
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#endif /* OBJECT_FORMAT_ELF */
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#else /* defined(INIT_SECTION_ASM_OP) */
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/* This case is used by the Irix 6 port, which supports named sections but
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not an SVR4-style .fini section. __do_global_dtors can be non-static
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in this case because the -fini switch to ld binds strongly. */
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static func_ptr __DTOR_LIST__[];
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void
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__do_global_dtors ()
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{
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func_ptr *p;
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for (p = __DTOR_LIST__ + 1; *p; p++)
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(*p) ();
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}
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#endif /* defined(INIT_SECTION_ASM_OP) */
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/* Force cc1 to switch to .data section. */
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@ -297,6 +312,20 @@ __do_global_ctors_aux () /* prologue goes in .text section */
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#endif /* OBJECT_FORMAT_ELF */
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#else /* defined(INIT_SECTION_ASM_OP) */
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/* This case is used by the Irix 6 port, which supports named sections but
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not an SVR4-style .init section. __do_global_ctors can be non-static
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in this case because the -init switch to ld binds strongly. */
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static func_ptr __CTOR_END__[];
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void
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__do_global_ctors ()
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{
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func_ptr *p;
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for (p = __CTOR_END__ - 1; *p != (func_ptr) -1; p--)
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(*p) ();
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}
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#endif /* defined(INIT_SECTION_ASM_OP) */
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/* Force cc1 to switch to .data section. */
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@ -2815,7 +2815,12 @@ __enable_execute_stack ()
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#define SYMBOL__MAIN __main
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#endif
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#if !defined (INIT_SECTION_ASM_OP) || !defined (OBJECT_FORMAT_ELF)
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#ifdef INIT_SECTION_ASM_OP
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#undef HAS_INIT_SECTION
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#define HAS_INIT_SECTION
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#endif
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#if !defined (HAS_INIT_SECTION) || !defined (OBJECT_FORMAT_ELF)
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/* Run all the global destructors on exit from the program. */
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void
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@ -2831,7 +2836,7 @@ __do_global_dtors ()
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}
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#endif
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#ifndef INIT_SECTION_ASM_OP
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#ifndef HAS_INIT_SECTION
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/* Run all the global constructors on entry to the program. */
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#ifndef ON_EXIT
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@ -2851,9 +2856,9 @@ __do_global_ctors ()
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DO_GLOBAL_CTORS_BODY;
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ON_EXIT (__do_global_dtors, 0);
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}
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#endif /* no INIT_SECTION_ASM_OP */
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#endif /* no HAS_INIT_SECTION */
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#if !defined (INIT_SECTION_ASM_OP) || defined (INVOKE__main)
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#if !defined (HAS_INIT_SECTION) || defined (INVOKE__main)
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/* Subroutine called automatically by `main'.
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Compiling a global function named `main'
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produces an automatic call to this function at the beginning.
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@ -2873,7 +2878,7 @@ SYMBOL__MAIN ()
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__do_global_ctors ();
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}
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}
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#endif /* no INIT_SECTION_ASM_OP or INVOKE__main */
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#endif /* no HAS_INIT_SECTION or INVOKE__main */
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#endif /* L__main */
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