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glibc/sysdeps/x86/Makefile
H.J. Lu 7c124e3714 x86: Install <bits/platform/x86.h> [BZ #27958] 
1. Install <bits/platform/x86.h> for <sys/platform/x86.h> which includes
<bits/platform/x86.h>.
2. Rename HAS_CPU_FEATURE to CPU_FEATURE_PRESENT which checks if the
processor has the feature.
3. Rename CPU_FEATURE_USABLE to CPU_FEATURE_ACTIVE which checks if the
feature is active.  There may be other preconditions, like sufficient
stack space or further setup for AMX, which must be satisfied before the
feature can be used.

This fixes BZ #27958.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2021-07-23 05:12:51 -07:00

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ifeq ($(subdir),csu)
gen-as-const-headers += cpu-features-offsets.sym
endif
ifeq ($(subdir),elf)
sysdep_routines += get-cpuid-feature-leaf
sysdep-dl-routines += dl-get-cpu-features
sysdep_headers += sys/platform/x86.h bits/platform/x86.h
CFLAGS-get-cpuid-feature-leaf.o += $(no-stack-protector)
tests += tst-get-cpu-features tst-get-cpu-features-static \
tst-cpu-features-cpuinfo tst-cpu-features-cpuinfo-static \
tst-cpu-features-supports tst-cpu-features-supports-static
tests-static += tst-get-cpu-features-static \
tst-cpu-features-cpuinfo-static \
tst-cpu-features-supports-static
ifeq (yes,$(have-ifunc))
ifeq (yes,$(have-gcc-ifunc))
tests += \
tst-ifunc-isa-1 \
tst-ifunc-isa-1-static
tests-static += \
tst-ifunc-isa-1-static
ifneq ($(have-tunables),no)
tests += \
tst-ifunc-isa-2 \
tst-ifunc-isa-2-static
tests-static += \
tst-ifunc-isa-2-static
endif
endif
endif
ifeq (yes,$(enable-x86-isa-level))
tests += tst-isa-level-1
modules-names += tst-isa-level-mod-1-baseline \
tst-isa-level-mod-1-v2 \
tst-isa-level-mod-1-v3 \
tst-isa-level-mod-1-v4 \
# X86 ISA level baseline
CFLAGS-tst-isa-level-mod-1-baseline.c += -DINCLUDE_X86_ISA_LEVEL \
-DISA_LEVEL=0x1 \
-march=x86-64
# X86 ISA level v2
CFLAGS-tst-isa-level-mod-1-v2.c += -DINCLUDE_X86_ISA_LEVEL \
-DISA_LEVEL=0x3 \
-march=x86-64
# X86 ISA level v3
CFLAGS-tst-isa-level-mod-1-v3.c += -DINCLUDE_X86_ISA_LEVEL \
-DISA_LEVEL=0x7 \
-march=x86-64
# X86 ISA level v4
CFLAGS-tst-isa-level-mod-1-v4.c += -DINCLUDE_X86_ISA_LEVEL \
-DISA_LEVEL=0xf \
-march=x86-64
$(objpfx)tst-isa-level-1.out: $(objpfx)tst-isa-level-mod-1-baseline.so \
$(objpfx)tst-isa-level-mod-1-v2.so \
$(objpfx)tst-isa-level-mod-1-v3.so \
$(objpfx)tst-isa-level-mod-1-v4.so
endif
ifneq ($(have-tunables),no)
tst-ifunc-isa-2-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=-SSE4_2,-AVX,-AVX2,-AVX512F
tst-ifunc-isa-2-static-ENV = $(tst-ifunc-isa-2-ENV)
endif
endif
ifeq ($(subdir),math)
tests += tst-ldbl-nonnormal-printf
endif # $(subdir) == math
ifeq ($(subdir),setjmp)
gen-as-const-headers += jmp_buf-ssp.sym
sysdep_routines += __longjmp_cancel
ifneq ($(enable-cet),no)
ifneq ($(have-tunables),no)
tests += tst-setjmp-cet
tst-setjmp-cet-ENV = GLIBC_TUNABLES=glibc.cpu.x86_ibt=on:glibc.cpu.x86_shstk=on
endif
endif
endif
ifeq ($(subdir),string)
sysdep_routines += cacheinfo
tests += \
tst-memchr-rtm \
tst-memcmp-rtm \
tst-memmove-rtm \
tst-memrchr-rtm \
tst-memset-rtm \
tst-strchr-rtm \
tst-strcpy-rtm \
tst-strlen-rtm \
tst-strncmp-rtm \
tst-strrchr-rtm
CFLAGS-tst-memchr-rtm.c += -mrtm
CFLAGS-tst-memcmp-rtm.c += -mrtm
CFLAGS-tst-memmove-rtm.c += -mrtm
CFLAGS-tst-memrchr-rtm.c += -mrtm
CFLAGS-tst-memset-rtm.c += -mrtm
CFLAGS-tst-strchr-rtm.c += -mrtm
CFLAGS-tst-strcpy-rtm.c += -mrtm
CFLAGS-tst-strlen-rtm.c += -mrtm
CFLAGS-tst-strncmp-rtm.c += -mrtm
CFLAGS-tst-strrchr-rtm.c += -mrtm
endif
ifneq ($(enable-cet),no)
ifeq ($(subdir),elf)
sysdep-dl-routines += dl-cet
tests += tst-cet-legacy-1 tst-cet-legacy-1a tst-cet-legacy-2 \
tst-cet-legacy-2a tst-cet-legacy-3 tst-cet-legacy-4 \
tst-cet-legacy-5a tst-cet-legacy-6a tst-cet-legacy-7 \
tst-cet-legacy-8 tst-cet-legacy-9 tst-cet-legacy-9-static \
tst-cet-legacy-10 tst-cet-legacy-10-static
tests-static += tst-cet-legacy-9-static tst-cet-legacy-10-static
tst-cet-legacy-1a-ARGS = -- $(host-test-program-cmd)
ifneq (no,$(have-tunables))
tests += tst-cet-legacy-4a tst-cet-legacy-4b tst-cet-legacy-4c \
tst-cet-legacy-5b tst-cet-legacy-6b
endif
modules-names += tst-cet-legacy-mod-1 tst-cet-legacy-mod-2 \
tst-cet-legacy-mod-4 tst-cet-legacy-mod-5a \
tst-cet-legacy-mod-5b tst-cet-legacy-mod-5c \
tst-cet-legacy-mod-6a tst-cet-legacy-mod-6b \
tst-cet-legacy-mod-6c
CFLAGS-tst-cet-legacy-2.c += -fcf-protection=branch
CFLAGS-tst-cet-legacy-2a.c += -fcf-protection
CFLAGS-tst-cet-legacy-mod-1.c += -fcf-protection=none
CFLAGS-tst-cet-legacy-mod-2.c += -fcf-protection=none
CFLAGS-tst-cet-legacy-3.c += -fcf-protection=none
CFLAGS-tst-cet-legacy-4.c += -fcf-protection=branch
CFLAGS-tst-cet-legacy-4a.c += -fcf-protection
CFLAGS-tst-cet-legacy-4b.c += -fcf-protection
CFLAGS-tst-cet-legacy-mod-4.c += -fcf-protection=none
CFLAGS-tst-cet-legacy-5a.c += -fcf-protection -mshstk
ifeq ($(enable-cet),permissive)
CPPFLAGS-tst-cet-legacy-5a.c += -DCET_IS_PERMISSIVE=1
endif
CFLAGS-tst-cet-legacy-5b.c += -fcf-protection -mshstk
CPPFLAGS-tst-cet-legacy-5b.c += -DCET_DISABLED_BY_ENV=1
CFLAGS-tst-cet-legacy-mod-5a.c += -fcf-protection=branch
CFLAGS-tst-cet-legacy-mod-5b.c += -fcf-protection
CFLAGS-tst-cet-legacy-mod-5c.c += -fcf-protection
CFLAGS-tst-cet-legacy-6a.c += -fcf-protection -mshstk
ifeq ($(enable-cet),permissive)
CPPFLAGS-tst-cet-legacy-6a.c += -DCET_IS_PERMISSIVE=1
endif
CFLAGS-tst-cet-legacy-6b.c += -fcf-protection -mshstk
CPPFLAGS-tst-cet-legacy-6b.c += -DCET_DISABLED_BY_ENV=1
CFLAGS-tst-cet-legacy-mod-6a.c += -fcf-protection=branch
CFLAGS-tst-cet-legacy-mod-6b.c += -fcf-protection
CFLAGS-tst-cet-legacy-mod-6c.c += -fcf-protection
CFLAGS-tst-cet-legacy-7.c += -fcf-protection=none
CFLAGS-tst-cet-legacy-8.c += -mshstk
CFLAGS-tst-cet-legacy-10.c += -mshstk
CFLAGS-tst-cet-legacy-10-static.c += -mshstk
$(objpfx)tst-cet-legacy-1: $(objpfx)tst-cet-legacy-mod-1.so \
$(objpfx)tst-cet-legacy-mod-2.so
$(objpfx)tst-cet-legacy-1a: $(objpfx)tst-cet-legacy-mod-1.so \
$(objpfx)tst-cet-legacy-mod-2.so
$(objpfx)tst-cet-legacy-2: $(objpfx)tst-cet-legacy-mod-2.so
$(objpfx)tst-cet-legacy-2.out: $(objpfx)tst-cet-legacy-mod-1.so
$(objpfx)tst-cet-legacy-2a: $(objpfx)tst-cet-legacy-mod-2.so
$(objpfx)tst-cet-legacy-2a.out: $(objpfx)tst-cet-legacy-mod-1.so
$(objpfx)tst-cet-legacy-4.out: $(objpfx)tst-cet-legacy-mod-4.so
$(objpfx)tst-cet-legacy-5a.out: $(objpfx)tst-cet-legacy-mod-5a.so \
$(objpfx)tst-cet-legacy-mod-5b.so
$(objpfx)tst-cet-legacy-mod-5a.so: $(objpfx)tst-cet-legacy-mod-5c.so
$(objpfx)tst-cet-legacy-mod-5b.so: $(objpfx)tst-cet-legacy-mod-5c.so
$(objpfx)tst-cet-legacy-6a.out: $(objpfx)tst-cet-legacy-mod-6a.so \
$(objpfx)tst-cet-legacy-mod-6b.so
$(objpfx)tst-cet-legacy-mod-6a.so: $(objpfx)tst-cet-legacy-mod-6c.so
$(objpfx)tst-cet-legacy-mod-6b.so: $(objpfx)tst-cet-legacy-mod-6c.so
LDFLAGS-tst-cet-legacy-mod-6c.so = -Wl,--enable-new-dtags,-z,nodelete
ifneq (no,$(have-tunables))
$(objpfx)tst-cet-legacy-4a.out: $(objpfx)tst-cet-legacy-mod-4.so
tst-cet-legacy-4a-ENV = GLIBC_TUNABLES=glibc.cpu.x86_shstk=permissive
$(objpfx)tst-cet-legacy-4b.out: $(objpfx)tst-cet-legacy-mod-4.so
tst-cet-legacy-4b-ENV = GLIBC_TUNABLES=glibc.cpu.x86_shstk=on
$(objpfx)tst-cet-legacy-4c.out: $(objpfx)tst-cet-legacy-mod-4.so
tst-cet-legacy-4c-ENV = GLIBC_TUNABLES=glibc.cpu.x86_shstk=off
$(objpfx)tst-cet-legacy-5b.out: $(objpfx)tst-cet-legacy-mod-5a.so \
$(objpfx)tst-cet-legacy-mod-5b.so
tst-cet-legacy-5b-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=-IBT,-SHSTK
$(objpfx)tst-cet-legacy-6b.out: $(objpfx)tst-cet-legacy-mod-6a.so \
$(objpfx)tst-cet-legacy-mod-6b.so
tst-cet-legacy-6b-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=-IBT,-SHSTK
tst-cet-legacy-9-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=-IBT,-SHSTK
tst-cet-legacy-9-static-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=-IBT,-SHSTK
endif
endif
# Add -fcf-protection to CFLAGS when CET is enabled.
CFLAGS-.o += -fcf-protection
CFLAGS-.os += -fcf-protection
CFLAGS-.op += -fcf-protection
CFLAGS-.oS += -fcf-protection
# Compile assembly codes with <cet.h> when CET is enabled.
asm-CPPFLAGS += -fcf-protection -include cet.h
ifeq ($(subdir),elf)
ifeq (yes,$(build-shared))
tests-special += $(objpfx)check-cet.out
endif
# FIXME: Can't use all-built-dso in elf/Makefile since this file is
# processed before elf/Makefile. Duplicate it here.
cet-built-dso := $(common-objpfx)elf/ld.so $(common-objpfx)libc.so \
$(filter-out $(common-objpfx)linkobj/libc.so, \
$(sort $(wildcard $(addprefix $(common-objpfx), \
*/lib*.so \
iconvdata/*.so))))
$(cet-built-dso:=.note): %.note: %
@rm -f $@T
LC_ALL=C $(READELF) -n $< > $@T
test -s $@T
mv -f $@T $@
common-generated += $(cet-built-dso:$(common-objpfx)%=%.note)
$(objpfx)check-cet.out: $(..)sysdeps/x86/check-cet.awk \
$(cet-built-dso:=.note)
LC_ALL=C $(AWK) -f $^ > $@; \
$(evaluate-test)
generated += check-cet.out
endif
endif
ifeq ($(subdir),posix)
tests += \
tst-sysconf-cache-linesize \
tst-sysconf-cache-linesize-static
tests-static += \
tst-sysconf-cache-linesize-static
endif
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