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c69f960b01
The changes for these functions are different than the others because
the best implementation (sse4_2) requires the generic
implementation as a fallback to be built as well.
Changes are:
1. Add non-multiarch functions for str{c|p}{brk|spn}.c to statically
select the best implementation based on the configured ISA build
level.
2. Add stubs for str{c|p}{brk|spn}-generic and varshift.c to in the
sysdeps/x86_64 directory so that the the sse4 implementation will
have all of its dependencies for the non-multiarch / rtld build
when ISA level >= 2.
3. Add new multiarch/rtld-strcspn.c that just include the
non-multiarch strcspn.c which will in turn select the best
implementation based on the compiled ISA level.
4. Refactor the ifunc selector and ifunc implementation list to use
the ISA level aware wrapper macros that allow functions below the
compiled ISA level (with a guranteed replacement) to be skipped.
Tested with and without multiarch on x86_64 for ISA levels:
{generic, x86-64-v2, x86-64-v3, x86-64-v4}
And m32 with and without multiarch.
219 lines
6.9 KiB
Makefile
219 lines
6.9 KiB
Makefile
# The i387 `long double' is a distinct type we support.
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long-double-fcts = yes
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ifeq ($(subdir),csu)
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gen-as-const-headers += link-defines.sym
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endif
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ifeq ($(subdir),gmon)
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sysdep_routines += _mcount
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# We cannot compile _mcount.S with -pg because that would create
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# recursive calls when ENTRY is used. Just copy the normal static
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# object.
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sysdep_noprof += _mcount
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endif
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ifeq ($(subdir),string)
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sysdep_routines += \
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strcasecmp_l-nonascii \
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strcspn-generic \
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strncase_l-nonascii \
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strpbrk-generic \
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strspn-generic \
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varshift \
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# sysdep_routines
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gen-as-const-headers += locale-defines.sym
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tests += \
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tst-rsi-strlen
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endif
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ifeq ($(subdir),elf)
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# There is no good reason to use MMX in x86-64 ld.so with GCC.
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CFLAGS-.os += $(if $(filter $(@F),$(patsubst %,%.os,$(all-rtld-routines))),\
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-mno-mmx)
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sysdep-dl-routines += tlsdesc dl-tlsdesc tls_get_addr
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tests += ifuncmain8
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modules-names += ifuncmod8
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$(objpfx)ifuncmain8: $(objpfx)ifuncmod8.so
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tests += tst-quad1 tst-quad2
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modules-names += tst-quadmod1 tst-quadmod2
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$(objpfx)tst-quad1: $(objpfx)tst-quadmod1.so
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$(objpfx)tst-quad2: $(objpfx)tst-quadmod2.so
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quad-pie-test += tst-quad1pie tst-quad2pie
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tests += $(quad-pie-test)
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tests-pie += $(quad-pie-test)
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test-extras += tst-quadmod1pie tst-quadmod2pie
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extra-test-objs += tst-quadmod1pie.o tst-quadmod2pie.o
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$(objpfx)tst-quad1pie: $(objpfx)tst-quadmod1pie.o
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$(objpfx)tst-quad2pie: $(objpfx)tst-quadmod2pie.o
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CFLAGS-tst-quad1pie.c = $(PIE-ccflag)
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CFLAGS-tst-quad2pie.c = $(PIE-ccflag)
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tests += tst-x86_64-1
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modules-names += x86_64/tst-x86_64mod-1
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extra-test-objs += tst-x86_64mod-1.o
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LDFLAGS-tst-x86_64mod-1.so = -Wl,-soname,tst-x86_64mod-1.so
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ifneq (no,$(have-tunables))
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# Test the state size for XSAVE when XSAVEC is disabled.
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tst-x86_64-1-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=-XSAVEC
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endif
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$(objpfx)tst-x86_64-1: $(objpfx)x86_64/tst-x86_64mod-1.so
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ifneq (no,$(have-tunables))
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tests += tst-platform-1
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modules-names += tst-platformmod-1 x86_64/tst-platformmod-2
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extra-test-objs += tst-platformmod-2.o
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CFLAGS-tst-platform-1.c = -mno-avx
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CFLAGS-tst-platformmod-1.c = -mno-avx
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CFLAGS-tst-platformmod-2.c = -mno-avx
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LDFLAGS-tst-platformmod-2.so = -Wl,-soname,tst-platformmod-2.so
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$(objpfx)tst-platform-1: $(objpfx)tst-platformmod-1.so
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$(objpfx)tst-platform-1.out: $(objpfx)x86_64/tst-platformmod-2.so
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# Turn off AVX512F and AVX2 so that GLRO(dl_platform) is
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# always set to x86_64.
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tst-platform-1-ENV = LD_PRELOAD=$(objpfx)\$$PLATFORM/tst-platformmod-2.so \
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GLIBC_TUNABLES=glibc.cpu.hwcaps=-AVX512F,-AVX2
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endif
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tests += tst-audit3 tst-audit4 tst-audit5 tst-audit6 tst-audit7 \
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tst-audit10 tst-sse tst-avx tst-avx512
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test-extras += tst-audit4-aux tst-audit10-aux \
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tst-avx-aux tst-avx512-aux
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extra-test-objs += tst-audit4-aux.o tst-audit10-aux.o \
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tst-avx-aux.o tst-avx512-aux.o
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ifeq ($(have-insert),yes)
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tests += tst-split-dynreloc
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LDFLAGS-tst-split-dynreloc = -Wl,-T,$(..)sysdeps/x86_64/tst-split-dynreloc.lds
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tst-split-dynreloc-ENV = LD_BIND_NOW=1
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endif
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modules-names += tst-auditmod3a tst-auditmod3b \
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tst-auditmod4a tst-auditmod4b \
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tst-auditmod5a tst-auditmod5b \
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tst-auditmod6a tst-auditmod6b tst-auditmod6c \
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tst-auditmod7a tst-auditmod7b \
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tst-auditmod10a tst-auditmod10b \
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tst-ssemod tst-avxmod tst-avx512mod
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$(objpfx)tst-audit3: $(objpfx)tst-auditmod3a.so
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$(objpfx)tst-audit3.out: $(objpfx)tst-auditmod3b.so
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tst-audit3-ENV = LD_AUDIT=$(objpfx)tst-auditmod3b.so
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$(objpfx)tst-audit4: $(objpfx)tst-audit4-aux.o $(objpfx)tst-auditmod4a.so
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$(objpfx)tst-audit4.out: $(objpfx)tst-auditmod4b.so
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tst-audit4-ENV = LD_AUDIT=$(objpfx)tst-auditmod4b.so
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$(objpfx)tst-audit5: $(objpfx)tst-auditmod5a.so
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$(objpfx)tst-audit5.out: $(objpfx)tst-auditmod5b.so
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tst-audit5-ENV = LD_AUDIT=$(objpfx)tst-auditmod5b.so
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$(objpfx)tst-audit6: $(objpfx)tst-auditmod6a.so
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$(objpfx)tst-audit6.out: $(objpfx)tst-auditmod6b.so \
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$(objpfx)tst-auditmod6c.so
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tst-audit6-ENV = LD_AUDIT=$(objpfx)tst-auditmod6b.so:$(objpfx)tst-auditmod6c.so
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$(objpfx)tst-audit7: $(objpfx)tst-auditmod7a.so
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$(objpfx)tst-audit7.out: $(objpfx)tst-auditmod7b.so
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tst-audit7-ENV = LD_AUDIT=$(objpfx)tst-auditmod7b.so
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$(objpfx)tst-audit10: $(objpfx)tst-audit10-aux.o $(objpfx)tst-auditmod10a.so
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$(objpfx)tst-audit10.out: $(objpfx)tst-auditmod10b.so
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tst-audit10-ENV = LD_AUDIT=$(objpfx)tst-auditmod10b.so
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$(objpfx)tst-sse: $(objpfx)tst-ssemod.so
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$(objpfx)tst-avx: $(objpfx)tst-avx-aux.o $(objpfx)tst-avxmod.so
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$(objpfx)tst-avx512: $(objpfx)tst-avx512-aux.o $(objpfx)tst-avx512mod.so
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AVX-CFLAGS=-mavx -mno-vzeroupper
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CFLAGS-tst-audit4-aux.c += $(AVX-CFLAGS)
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CFLAGS-tst-auditmod4a.c += $(AVX-CFLAGS)
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CFLAGS-tst-auditmod4b.c += $(AVX-CFLAGS)
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CFLAGS-tst-auditmod6b.c += $(AVX-CFLAGS)
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CFLAGS-tst-auditmod6c.c += $(AVX-CFLAGS)
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CFLAGS-tst-auditmod7b.c += $(AVX-CFLAGS)
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CFLAGS-tst-avx-aux.c += $(AVX-CFLAGS)
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CFLAGS-tst-avxmod.c += $(AVX-CFLAGS)
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AVX512-CFLAGS = -mavx512f
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CFLAGS-tst-audit10-aux.c += $(AVX512-CFLAGS)
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CFLAGS-tst-auditmod10a.c += $(AVX512-CFLAGS)
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CFLAGS-tst-auditmod10b.c += $(AVX512-CFLAGS)
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CFLAGS-tst-avx512-aux.c += $(AVX512-CFLAGS)
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CFLAGS-tst-avx512mod.c += $(AVX512-CFLAGS)
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$(objpfx)tst-glibc-hwcaps: $(objpfx)libmarkermod2-1.so \
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$(objpfx)libmarkermod3-1.so $(objpfx)libmarkermod4-1.so
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$(objpfx)tst-glibc-hwcaps.out: \
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$(objpfx)libmarkermod2.so \
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$(objpfx)glibc-hwcaps/x86-64-v2/libmarkermod2.so \
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$(objpfx)libmarkermod3.so \
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$(objpfx)glibc-hwcaps/x86-64-v2/libmarkermod3.so \
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$(objpfx)glibc-hwcaps/x86-64-v3/libmarkermod3.so \
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$(objpfx)libmarkermod4.so \
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$(objpfx)glibc-hwcaps/x86-64-v2/libmarkermod4.so \
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$(objpfx)glibc-hwcaps/x86-64-v3/libmarkermod4.so \
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$(objpfx)glibc-hwcaps/x86-64-v4/libmarkermod4.so \
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$(objpfx)glibc-hwcaps/x86-64-v2/libmarkermod2.so: $(objpfx)libmarkermod2-2.so
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$(make-target-directory)
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cp $< $@
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$(objpfx)glibc-hwcaps/x86-64-v2/libmarkermod3.so: $(objpfx)libmarkermod3-2.so
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$(make-target-directory)
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cp $< $@
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$(objpfx)glibc-hwcaps/x86-64-v3/libmarkermod3.so: $(objpfx)libmarkermod3-3.so
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$(make-target-directory)
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cp $< $@
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$(objpfx)glibc-hwcaps/x86-64-v2/libmarkermod4.so: $(objpfx)libmarkermod4-2.so
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$(make-target-directory)
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cp $< $@
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$(objpfx)glibc-hwcaps/x86-64-v3/libmarkermod4.so: $(objpfx)libmarkermod4-3.so
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$(make-target-directory)
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cp $< $@
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$(objpfx)glibc-hwcaps/x86-64-v4/libmarkermod4.so: $(objpfx)libmarkermod4-4.so
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$(make-target-directory)
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cp $< $@
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ifeq (no,$(build-hardcoded-path-in-tests))
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# This is an ld.so.cache test, and RPATH/RUNPATH in the executable
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# interferes with its test objectives.
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tests-container += tst-glibc-hwcaps-cache
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endif
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tests-internal += tst-x86-64-tls-1
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endif # $(subdir) == elf
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ifeq ($(subdir),csu)
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gen-as-const-headers += tlsdesc.sym rtld-offsets.sym
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endif
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ifeq ($(subdir),wcsmbs)
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tests += \
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tst-rsi-wcslen
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endif
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$(objpfx)x86_64/tst-x86_64mod-1.os: $(objpfx)tst-x86_64mod-1.os
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$(make-target-directory)
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rm -f $@
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ln $< $@
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do-tests-clean common-mostlyclean: tst-x86_64-1-clean
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.PHONY: tst-x86_64-1-clean
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tst-x86_64-1-clean:
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-rm -rf $(objpfx)x86_64
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$(objpfx)x86_64/tst-platformmod-2.os: $(objpfx)tst-platformmod-2.os
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$(make-target-directory)
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rm -f $@
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ln $< $@
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