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4d1cd3b2c5
Fix the link error by adding '-static':
gcc -Wall -Wl,-z,max-page-size=0x1000 -pie load_address.c -o /home/yang/linux/tools/testing/selftests/exec/load_address_4096
/usr/bin/ld: /tmp/ccopEGun.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `stderr@@GLIBC_2.17' which may bind externally can not be used when making a shared object; recompile with -fPIC
/usr/bin/ld: /tmp/ccopEGun.o(.text+0x158): unresolvable R_AARCH64_ADR_PREL_PG_HI21 relocation against symbol `stderr@@GLIBC_2.17'
/usr/bin/ld: final link failed: bad value
collect2: error: ld returned 1 exit status
make: *** [Makefile:25: tools/testing/selftests/exec/load_address_4096] Error 1
Link: https://lkml.kernel.org/r/20210514092422.2367367-1-yangyingliang@huawei.com
Fixes: 206e22f019 ("tools/testing/selftests: add self-test for verifying load alignment")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Cc: Chris Kennelly <ckennelly@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
36 lines
1.2 KiB
Makefile
36 lines
1.2 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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CFLAGS = -Wall
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CFLAGS += -Wno-nonnull
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CFLAGS += -D_GNU_SOURCE
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TEST_PROGS := binfmt_script non-regular
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TEST_GEN_PROGS := execveat load_address_4096 load_address_2097152 load_address_16777216
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TEST_GEN_FILES := execveat.symlink execveat.denatured script subdir pipe
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# Makefile is a run-time dependency, since it's accessed by the execveat test
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TEST_FILES := Makefile
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TEST_GEN_PROGS += recursion-depth
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EXTRA_CLEAN := $(OUTPUT)/subdir.moved $(OUTPUT)/execveat.moved $(OUTPUT)/xxxxx* \
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$(OUTPUT)/S_I*.test
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include ../lib.mk
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$(OUTPUT)/subdir:
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mkdir -p $@
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$(OUTPUT)/script:
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echo '#!/bin/sh' > $@
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echo 'exit $$*' >> $@
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chmod +x $@
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$(OUTPUT)/execveat.symlink: $(OUTPUT)/execveat
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cd $(OUTPUT) && ln -s -f $(shell basename $<) $(shell basename $@)
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$(OUTPUT)/execveat.denatured: $(OUTPUT)/execveat
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cp $< $@
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chmod -x $@
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$(OUTPUT)/load_address_4096: load_address.c
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$(CC) $(CFLAGS) $(LDFLAGS) -Wl,-z,max-page-size=0x1000 -pie -static $< -o $@
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$(OUTPUT)/load_address_2097152: load_address.c
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$(CC) $(CFLAGS) $(LDFLAGS) -Wl,-z,max-page-size=0x200000 -pie -static $< -o $@
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$(OUTPUT)/load_address_16777216: load_address.c
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$(CC) $(CFLAGS) $(LDFLAGS) -Wl,-z,max-page-size=0x1000000 -pie -static $< -o $@
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