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Revert "x86_64: Suppress false positive valgrind error"
This reverts commit a1735e0aa8
.
The test failure is a real valgrind bug that needs to be fixed before
valgrind is usable with a glibc that has been built with
CC="gcc -march=x86-64-v3". The proposed valgrind patch teaches
valgrind to replace ld.so strcmp with an unoptimized scalar
implementation, thus avoiding any AVX2-related problems.
Valgrind bug: <https://bugs.kde.org/show_bug.cgi?id=485487>
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
This commit is contained in:
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cf11e74b0d
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@ -618,8 +618,7 @@ tests-special += $(objpfx)tst-valgrind-smoke.out
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endif
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$(objpfx)tst-valgrind-smoke.out: tst-valgrind-smoke.sh $(objpfx)ld.so $(objpfx)valgrind-test
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$(SHELL) $< $(objpfx)ld.so $(rtlddir)/$(rtld-installed-name) '$(test-wrapper-env)' \
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'$(run-program-env)' '$(rpath-link)' $(objpfx)valgrind-test \
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'$(valgrind-suppressions-tst-valgrind-smoke)' > $@; $(evaluate-test)
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'$(run-program-env)' '$(rpath-link)' $(objpfx)valgrind-test > $@; $(evaluate-test)
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ifeq ($(run-built-tests),yes)
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tests-special += $(objpfx)tst-rtld-does-not-exist.out
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@ -25,7 +25,6 @@ test_wrapper_env="$3"
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run_program_env="$4"
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library_path="$5"
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test_prog="$6"
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valgrind_suppressions="$7"
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# Test whether valgrind is available in the test
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# environment. If not, skip the test.
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@ -35,7 +34,7 @@ ${test_wrapper_env} ${run_program_env} \
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# Test valgrind works with the system ld.so in the test environment
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/bin/sh -c \
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"${test_wrapper_env} ${run_program_env} \
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valgrind -q --error-exitcode=1 ${valgrind_suppressions} \
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valgrind -q --error-exitcode=1 \
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${system_rtld} /bin/echo ${system_rtld}" || exit 77
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# Finally the actual test inside the test environment,
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@ -43,5 +42,5 @@ ${test_wrapper_env} ${run_program_env} \
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# the smoke test under valgrind.
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/bin/sh -c \
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"${test_wrapper_env} ${run_program_env} \
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valgrind -q --error-exitcode=1 ${valgrind_suppressions} \
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valgrind -q --error-exitcode=1 \
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${rtld} --library-path ${library_path} ${test_prog} ${rtld}"
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@ -211,14 +211,7 @@ tst-plt-rewrite2-ENV = GLIBC_TUNABLES=glibc.cpu.plt_rewrite=2
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$(objpfx)tst-plt-rewrite2: $(objpfx)tst-plt-rewritemod2.so
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endif
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# Check if ISA level is 3 or above.
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ifneq (,$(filter $(have-x86-isa-level),$(x86-isa-level-3-or-above)))
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valgrind-suppressions-tst-valgrind-smoke = \
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--suppressions=$(..)sysdeps/x86_64/tst-valgrind-smoke.supp
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endif
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test-internal-extras += tst-gnu2-tls2mod1
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endif # $(subdir) == elf
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ifeq ($(subdir),csu)
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@ -1,17 +0,0 @@
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{
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False positive at strcmp-avx2.S:462
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Memcheck:Cond
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fun:strcmp
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fun:_dl_name_match_p
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fun:_dl_map_object
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fun:map_doit
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fun:_dl_catch_exception
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fun:_dl_catch_error
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fun:do_preload
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fun:handle_preload_list
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fun:dl_main
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fun:_dl_sysdep_start
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fun:_dl_start_final
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fun:_dl_start
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obj:*/elf/ld.so
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}
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