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Subject[PATCH 6/8] kbuild: remove CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX
Date
CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX was selected by BLACKFIN, METAG.
They were removed by commit 4ba66a976072 ("arch: remove blackfin port"),
commit bb6fb6dfcc17 ("metag: Remove arch/metag/"), respectively.

No more architecture enables CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX.
Clean up the rest of scripts, and remove the Kconfig entry.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

arch/Kconfig | 6 ------
scripts/Makefile.build | 7 +------
scripts/adjust_autoksyms.sh | 3 ---
3 files changed, 1 insertion(+), 15 deletions(-)

diff --git a/arch/Kconfig b/arch/Kconfig
index 3234b73..c88fa0e 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -671,12 +671,6 @@ config MODULES_USE_ELF_REL
Modules only use ELF REL relocations. Modules with ELF RELA
relocations will give an error.

-config HAVE_UNDERSCORE_SYMBOL_PREFIX
- bool
- help
- Some architectures generate an _ in front of C symbols; things like
- module loading and assembly files need to know about this.
-
config HAVE_IRQ_EXIT_ON_IRQ_STACK
bool
help
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 22df8d0..753b9ad 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -485,15 +485,10 @@ targets += $(lib-target)

dummy-object = $(obj)/.lib_exports.o
ksyms-lds = $(dot-target).lds
-ifdef CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX
-ref_prefix = EXTERN(_
-else
-ref_prefix = EXTERN(
-endif

quiet_cmd_export_list = EXPORTS $@
cmd_export_list = $(OBJDUMP) -h $< | \
- sed -ne '/___ksymtab/s/.*+\([^ ]*\).*/$(ref_prefix)\1)/p' >$(ksyms-lds);\
+ sed -ne '/___ksymtab/s/.*+\([^ ]*\).*/EXTERN(\1)/p' >$(ksyms-lds);\
rm -f $(dummy-object);\
echo | $(CC) $(a_flags) -c -o $(dummy-object) -x assembler -;\
$(LD) $(ld_flags) -r -o $@ -T $(ksyms-lds) $(dummy-object);\
diff --git a/scripts/adjust_autoksyms.sh b/scripts/adjust_autoksyms.sh
index 016b3c4..6e6d639 100755
--- a/scripts/adjust_autoksyms.sh
+++ b/scripts/adjust_autoksyms.sh
@@ -61,9 +61,6 @@ for mod in "$MODVERDIR"/*.mod; do
sed -n -e '3{s/ /\n/g;/^$/!p;}' "$mod"
done | sort -u |
while read sym; do
- if [ -n "$CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX" ]; then
- sym="${sym#_}"
- fi
echo "#define __KSYM_${sym} 1"
done >> "$new_ksyms_file"

--
2.7.4
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