Add more IFUNC tests.
Mostly tests around not-exported IFUNC functions, IFUNC in statically linked binaries and PIEs, etc.
This commit is contained in:
H.J. Lu
Ulrich Drepper
parent
ccab6d8f73
commit
3c30afc862
58
ChangeLog
58
ChangeLog
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@ -1,3 +1,61 @@
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2009-06-19 H.J. Lu <hongjiu.lu@intel.com>
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* elf/Makefile (distribute): Add ifuncmain1staticpie.c,
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ifuncmain5.c, ifuncmain5pic.c, ifuncmain5picstatic.c,
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ifuncmain5pie.c, ifuncmain5static.c, ifuncmain5staticpic.c,
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ifuncdep5.c, ifuncdep5pic.c, ifuncmod5.c, ifuncmain7.c,
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ifuncmain7pic.c, ifuncmain7picstatic.c, ifuncmain7pie.c, and
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ifuncmain7static.c.
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(tests-static): Add ifuncmain5static, ifuncmain5picstatic,
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ifuncmain7static, and ifuncmain7picstatic.
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(tests): Also depend on $(objpfx)ifuncmain1staticpie.out,
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$(objpfx)ifuncmain5pie.out, $(objpfx)ifuncmain6pie.out, and
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$(objpfx)ifuncmain7pie.out.
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(modules-names): Add ifuncmod5 ifuncmod6
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(ifuncmod5.so-no-z-defs): Define.
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(ifuncmod6.so-no-z-defs): Define.
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(CFLAGS-ifuncmain5pic.c): Define.
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(CFLAGS-ifuncmain5picstatic.c): Define.
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(CFLAGS-ifuncmain5staticpic.c): Define.
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(CFLAGS-ifuncdep5pic.c): Define.
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(CFLAGS-ifuncmain7pic.c): Define.
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(CFLAGS-ifuncmain7picstatic.c): Define.
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(CFLAGS-ifuncmain1staticpie.c): Define.
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(CFLAGS-ifuncmain5pie.c): Define.
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(CFLAGS-ifuncmain6pie.c): Define.
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(CFLAGS-ifuncmain7pie.c): Define.
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($(objpfx)ifuncmain1staticpie.out): Define.
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($(objpfx)ifuncmain1staticpie): Define.
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($(objpfx)ifuncmain5pie.out): Define.
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($(objpfx)ifuncmain5pie): Define.
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($(objpfx)ifuncmain6pie.out): Define.
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($(objpfx)ifuncmain6pie): Define.
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($(objpfx)ifuncmain5): Define.
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($(objpfx)ifuncmain5pic): Define.
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($(objpfx)ifuncmain5static): Define.
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($(objpfx)ifuncmain5staticpic): Define.
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($(objpfx)ifuncmain5picstatic): Define.
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(generated): Add ifuncmain1staticpie, ifuncmain1staticpie.out,
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ifuncmain5pie, ifuncmain5pie.out, ifuncmain6pie, and
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ifuncmain6pie.out.
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* elf/b/elf/ifuncmain1staticpie.c: New file.
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* elf/ifuncdep5.c: New file.
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* elf/ifuncdep5pic.c: New file.
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* elf/ifuncmain5.c: New file.
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* elf/ifuncmain5pic.c: New file.
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* elf/ifuncmain5picstatic.c: New file.
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* elf/ifuncmain5pie.c: New file.
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* elf/ifuncmain5static.c: New file.
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* elf/ifuncmain5staticpic.c: New file.
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* elf/ifuncmain6pie.c: New file.
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* elf/ifuncmain7.c: New file.
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* elf/ifuncmain7pic.c: New file.
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* elf/ifuncmain7picstatic.c: New file.
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* elf/ifuncmain7pie.c: New file.
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* elf/ifuncmain7static.c: New file.
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* elf/ifuncmod5.c: New file.
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* elf/ifuncmod6.c: New file.
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2009-06-20 Ulrich Drepper <drepper@redhat.com>
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[BZ #10085]
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82
elf/Makefile
82
elf/Makefile
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@ -99,10 +99,18 @@ distribute := rtld-Rules \
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ifuncmain1staticpic.c ifuncmain1picstatic.c \
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ifuncdep1.c ifuncdep1pic.c ifuncmod1.c \
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ifuncmain1pie.c ifuncmain1vispie.c \
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ifuncmain1staticpie.c \
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ifuncmain2.c ifuncmain2static.c ifuncdep2.c \
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ifuncmain2pic.c ifuncmain2picstatic.c ifuncdep2pic.c \
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ifuncmain3.c ifuncmod3.c \
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ifuncmain4.c ifuncmain4static.c ifuncmain4picstatic.c
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ifuncmain4.c ifuncmain4static.c ifuncmain4picstatic.c \
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ifuncmain5.c ifuncmain5pic.c ifuncmain5picstatic.c \
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ifuncmain5pie.c ifuncmain5static.c \
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ifuncmain5staticpic.c \
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ifuncdep5.c ifuncdep5pic.c ifuncmod5.c \
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ifuncmain6pie.c ifuncmod6.c \
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ifuncmain7.c ifuncmain7pic.c ifuncmain7picstatic.c \
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ifuncmain7pie.c ifuncmain7static.c
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CFLAGS-dl-runtime.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-dl-lookup.c = -fexceptions -fasynchronous-unwind-tables
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@ -244,16 +252,22 @@ modules-names-nobuild := filtmod1
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ifeq (yes,$(multi-arch))
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tests-static += ifuncmain1static ifuncmain1picstatic \
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ifuncmain2static ifuncmain2picstatic \
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ifuncmain4static ifuncmain4picstatic
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ifuncmain4static ifuncmain4picstatic \
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ifuncmain5static ifuncmain5picstatic \
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ifuncmain7static ifuncmain7picstatic
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ifeq (yes,$(build-shared))
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tests += ifuncmain1 ifuncmain1pic ifuncmain1vis ifuncmain1vispic \
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ifuncmain1staticpic \
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ifuncmain2 ifuncmain2pic ifuncmain3 ifuncmain4
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ifuncmain2 ifuncmain2pic ifuncmain3 ifuncmain4 \
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ifuncmain5 ifuncmain5pic ifuncmain5staticpic \
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ifuncmain7 ifuncmain7pic
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ifeq (yes,$(have-fpie))
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tests: $(objpfx)ifuncmain1pie.out $(objpfx)ifuncmain1vispie.out
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tests: $(objpfx)ifuncmain1pie.out $(objpfx)ifuncmain1vispie.out \
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$(objpfx)ifuncmain1staticpie.out $(objpfx)ifuncmain5pie.out \
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$(objpfx)ifuncmain6pie.out $(objpfx)ifuncmain7pie.out
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endif
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modules-names += ifuncmod1 ifuncmod3
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modules-names += ifuncmod1 ifuncmod3 ifuncmod5 ifuncmod6
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endif
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endif
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@ -530,6 +544,8 @@ reldep9mod1.so-no-z-defs = yes
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unload3mod4.so-no-z-defs = yes
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unload4mod1.so-no-z-defs = yes
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ifuncmod1.so-no-z-defs = yes
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ifuncmod5.so-no-z-defs = yes
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ifuncmod6.so-no-z-defs = yes
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ifeq ($(build-shared),yes)
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# Build all the modules even when not actually running test programs.
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@ -980,12 +996,22 @@ CFLAGS-ifuncmain2pic.c += $(pic-ccflag)
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CFLAGS-ifuncmain2picstatic.c += $(pic-ccflag)
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CFLAGS-ifuncdep2pic.c += $(pic-ccflag)
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CFLAGS-ifuncmain4picstatic.c += $(pic-ccflag)
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CFLAGS-ifuncmain5pic.c += $(pic-ccflag)
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CFLAGS-ifuncmain5picstatic.c += $(pic-ccflag)
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CFLAGS-ifuncmain5staticpic.c += $(pic-ccflag)
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CFLAGS-ifuncdep5pic.c += $(pic-ccflag)
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CFLAGS-ifuncmain7pic.c += $(pic-ccflag)
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CFLAGS-ifuncmain7picstatic.c += $(pic-ccflag)
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LDFLAGS-ifuncmain3 = -Wl,-export-dynamic
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ifeq (yesyes,$(have-fpie)$(build-shared))
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CFLAGS-ifuncmain1pie.c += $(pie-ccflag)
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CFLAGS-ifuncmain1vispie.c += $(pie-ccflag)
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CFLAGS-ifuncmain1staticpie.c += $(pie-ccflag)
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CFLAGS-ifuncmain5pie.c += $(pie-ccflag)
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CFLAGS-ifuncmain6pie.c += $(pie-ccflag)
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CFLAGS-ifuncmain7pie.c += $(pie-ccflag)
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$(objpfx)ifuncmain1pie.out: $(objpfx)ifuncmain1pie
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$(elf-objpfx)$(rtld-installed-name) \
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@ -997,6 +1023,16 @@ $(objpfx)ifuncmain1pie: $(objpfx)ifuncmain1pie.o $(objpfx)ifuncmod1.so
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generated += ifuncmain1pie ifuncmain1pie.out
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$(objpfx)ifuncmain1staticpie.out: $(objpfx)ifuncmain1staticpie
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$(elf-objpfx)$(rtld-installed-name) \
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--library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
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$< > $@
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$(objpfx)ifuncmain1staticpie: $(objpfx)ifuncmain1staticpie.o $(objpfx)ifuncdep1pic.o
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$(+link-pie)
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generated += ifuncmain1staticpie ifuncmain1staticpie.out
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$(objpfx)ifuncmain1vispie.out: $(objpfx)ifuncmain1vispie
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$(elf-objpfx)$(rtld-installed-name) \
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--library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
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@ -1006,6 +1042,36 @@ $(objpfx)ifuncmain1vispie: $(objpfx)ifuncmain1vispie.o $(objpfx)ifuncmod1.so
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$(+link-pie)
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generated += ifuncmain1vispie ifuncmain1vispie.out
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$(objpfx)ifuncmain5pie.out: $(objpfx)ifuncmain5pie
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$(elf-objpfx)$(rtld-installed-name) \
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--library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
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$< > $@
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$(objpfx)ifuncmain5pie: $(objpfx)ifuncmain5pie.o $(objpfx)ifuncmod5.so
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$(+link-pie)
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generated += ifuncmain5pie ifuncmain5pie.out
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$(objpfx)ifuncmain6pie.out: $(objpfx)ifuncmain6pie
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$(elf-objpfx)$(rtld-installed-name) \
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--library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
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$< > $@
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$(objpfx)ifuncmain6pie: $(objpfx)ifuncmain6pie.o $(objpfx)ifuncmod6.so
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$(+link-pie)
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generated += ifuncmain6pie ifuncmain6pie.out
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$(objpfx)ifuncmain7pie.out: $(objpfx)ifuncmain7pie
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$(elf-objpfx)$(rtld-installed-name) \
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--library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
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$< > $@
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$(objpfx)ifuncmain7pie: $(objpfx)ifuncmain7pie.o
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$(+link-pie)
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generated += ifuncmain7pie ifuncmain7pie.out
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endif
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$(objpfx)ifuncmain1: $(addprefix $(objpfx),ifuncmod1.so)
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@ -1022,3 +1088,9 @@ $(objpfx)ifuncmain2picstatic: $(addprefix $(objpfx),ifuncdep2pic.o)
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$(objpfx)ifuncmain3: $(libdl)
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$(objpfx)ifuncmain3.out: $(objpfx)ifuncmod3.so
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$(objpfx)ifuncmain5: $(addprefix $(objpfx),ifuncmod5.so)
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$(objpfx)ifuncmain5pic: $(addprefix $(objpfx),ifuncmod5.so)
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$(objpfx)ifuncmain5static: $(addprefix $(objpfx),ifuncdep5.o)
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$(objpfx)ifuncmain5staticpic: $(addprefix $(objpfx),ifuncdep5pic.o)
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$(objpfx)ifuncmain5picstatic: $(addprefix $(objpfx),ifuncdep5pic.o)
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@ -0,0 +1,3 @@
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/* Test STT_GNU_IFUNC symbols without -fPIC. */
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#include "ifuncmod5.c"
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@ -0,0 +1,3 @@
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/* Test STT_GNU_IFUNC symbols with -fPIC. */
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#include "ifuncmod5.c"
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@ -0,0 +1,3 @@
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/* Test STT_GNU_IFUNC symbols with PIE and no DSO. */
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#include "ifuncmain1.c"
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@ -0,0 +1,40 @@
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/* Test STT_GNU_IFUNC symbols with dynamic function pointer only. */
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#include <stdlib.h>
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int global = -1;
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extern int foo (void);
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extern int foo_protected (void);
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typedef int (*foo_p) (void);
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foo_p
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__attribute__ ((noinline))
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get_foo (void)
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{
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return foo;
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}
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foo_p
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__attribute__ ((noinline))
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get_foo_protected (void)
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{
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return foo_protected;
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}
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int
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main (void)
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{
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foo_p p;
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p = get_foo ();
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if ((*p) () != -1)
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abort ();
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p = get_foo_protected ();
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if ((*p) () != 0)
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abort ();
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return 0;
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}
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@ -0,0 +1,3 @@
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/* Test STT_GNU_IFUNC symbols with -fPIC. */
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#include "ifuncmain5.c"
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@ -0,0 +1,3 @@
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/* Test STT_GNU_IFUNC symbols with -fPIC and -static. */
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#include "ifuncmain5.c"
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@ -0,0 +1,3 @@
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/* Test STT_GNU_IFUNC symbols with PIE. */
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#include "ifuncmain5.c"
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@ -0,0 +1,3 @@
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/* Test STT_GNU_IFUNC symbols with -static. */
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#include "ifuncmain5.c"
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@ -0,0 +1,3 @@
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/* Test STT_GNU_IFUNC symbols with -fPIC and no DSO. */
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#include "ifuncmain5.c"
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@ -0,0 +1,63 @@
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/* Test STT_GNU_IFUNC symbols in PIE:
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1. Direct function call.
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2. Function pointer.
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3. Reference from a shared library.
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*/
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#include <stdlib.h>
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typedef int (*foo_p) (void);
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extern foo_p foo_ptr;
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static int
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one (void)
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{
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return -30;
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}
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void * foo_ifunc (void) __asm__ ("foo");
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__asm__(".type foo, %gnu_indirect_function");
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void *
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foo_ifunc (void)
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{
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return one;
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}
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extern int foo (void);
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extern foo_p get_foo (void);
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extern foo_p get_foo_p (void);
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foo_p my_foo_ptr = foo;
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int
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main (void)
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{
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foo_p p;
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p = get_foo ();
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if (p != foo)
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abort ();
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if ((*p) () != -30)
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abort ();
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p = get_foo_p ();
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if (p != foo)
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abort ();
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if ((*p) () != -30)
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abort ();
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if (foo_ptr != foo)
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abort ();
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if (my_foo_ptr != foo)
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abort ();
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if ((*foo_ptr) () != -30)
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abort ();
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if ((*my_foo_ptr) () != -30)
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abort ();
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if (foo () != -30)
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abort ();
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return 0;
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}
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@ -0,0 +1,70 @@
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/* Test local STT_GNU_IFUNC symbols:
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1. Direct function call.
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2. Function pointer.
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*/
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#include <stdlib.h>
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extern int foo (void);
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static int
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one (void)
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{
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return -30;
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}
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static void * foo_ifunc (void) __asm__ ("foo");
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__asm__(".type foo, %gnu_indirect_function");
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static void *
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__attribute__ ((used))
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foo_ifunc (void)
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{
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return one;
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}
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typedef int (*foo_p) (void);
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foo_p foo_ptr = foo;
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foo_p
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__attribute__ ((noinline))
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get_foo_p (void)
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{
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return foo_ptr;
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}
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foo_p
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__attribute__ ((noinline))
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get_foo (void)
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{
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return foo;
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}
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int
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main (void)
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{
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foo_p p;
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p = get_foo ();
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if (p != foo)
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abort ();
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if ((*p) () != -30)
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abort ();
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p = get_foo_p ();
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if (p != foo)
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abort ();
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if ((*p) () != -30)
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abort ();
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if (foo_ptr != foo)
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abort ();
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if ((*foo_ptr) () != -30)
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abort ();
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if (foo () != -30)
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abort ();
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return 0;
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}
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@ -0,0 +1,7 @@
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/* Test local STT_GNU_IFUNC symbols with -fPIC:
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||||
1. Direct function call.
|
||||
2. Function pointer.
|
||||
*/
|
||||
|
||||
#include "ifuncmain7.c"
|
||||
|
|
@ -0,0 +1,7 @@
|
|||
/* Test local STT_GNU_IFUNC symbols with -fPIC and -static:
|
||||
|
||||
1. Direct function call.
|
||||
2. Function pointer.
|
||||
*/
|
||||
|
||||
#include "ifuncmain7.c"
|
||||
|
|
@ -0,0 +1,7 @@
|
|||
/* Test local STT_GNU_IFUNC symbols with PIE:
|
||||
|
||||
1. Direct function call.
|
||||
2. Function pointer.
|
||||
*/
|
||||
|
||||
#include "ifuncmain7.c"
|
||||
|
|
@ -0,0 +1,7 @@
|
|||
/* Test local STT_GNU_IFUNC symbols with -static:
|
||||
|
||||
1. Direct function call.
|
||||
2. Function pointer.
|
||||
*/
|
||||
|
||||
#include "ifuncmain7.c"
|
||||
|
|
@ -0,0 +1,78 @@
|
|||
/* Test STT_GNU_IFUNC symbols without direct function call. */
|
||||
|
||||
extern int global;
|
||||
|
||||
static int
|
||||
one (void)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int
|
||||
minus_one (void)
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int
|
||||
zero (void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
void * foo_ifunc (void) __asm__ ("foo");
|
||||
__asm__(".type foo, %gnu_indirect_function");
|
||||
|
||||
void *
|
||||
foo_ifunc (void)
|
||||
{
|
||||
switch (global)
|
||||
{
|
||||
case 1:
|
||||
return one;
|
||||
case -1:
|
||||
return minus_one;
|
||||
default:
|
||||
return zero;
|
||||
}
|
||||
}
|
||||
|
||||
void * foo_hidden_ifunc (void) __asm__ ("foo_hidden");
|
||||
__asm__(".type foo_hidden, %gnu_indirect_function");
|
||||
|
||||
void *
|
||||
foo_hidden_ifunc (void)
|
||||
{
|
||||
switch (global)
|
||||
{
|
||||
case 1:
|
||||
return minus_one;
|
||||
case -1:
|
||||
return one;
|
||||
default:
|
||||
return zero;
|
||||
}
|
||||
}
|
||||
|
||||
void * foo_protected_ifunc (void) __asm__ ("foo_protected");
|
||||
__asm__(".type foo_protected, %gnu_indirect_function");
|
||||
|
||||
void *
|
||||
foo_protected_ifunc (void)
|
||||
{
|
||||
switch (global)
|
||||
{
|
||||
case 1:
|
||||
return one;
|
||||
case -1:
|
||||
return zero;
|
||||
default:
|
||||
return minus_one;
|
||||
}
|
||||
}
|
||||
|
||||
/* Test hidden indirect function. */
|
||||
__asm__(".hidden foo_hidden");
|
||||
|
||||
/* Test protected indirect function. */
|
||||
__asm__(".protected foo_protected");
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
/* Test STT_GNU_IFUNC symbol reference in a shared library. */
|
||||
|
||||
extern int foo (void);
|
||||
|
||||
typedef int (*foo_p) (void);
|
||||
|
||||
foo_p foo_ptr = foo;
|
||||
|
||||
foo_p
|
||||
get_foo_p (void)
|
||||
{
|
||||
return foo_ptr;
|
||||
}
|
||||
|
||||
foo_p
|
||||
get_foo (void)
|
||||
{
|
||||
return foo;
|
||||
}
|
||||
Loading…
Reference in New Issue