From 9f449569df9c94670f51fd8cd5558b66884cd877 Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@kth.se>
Date: Thu, 7 Dec 2023 22:51:52 +0100
Subject: Improve portability
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Signed-off-by: Mattias Andrée <maandree@kth.se>
---
 linux/symbols.mk | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

(limited to 'linux/symbols.mk')

diff --git a/linux/symbols.mk b/linux/symbols.mk
index 97db4ab..ffdad11 100644
--- a/linux/symbols.mk
+++ b/linux/symbols.mk
@@ -1,6 +1,6 @@
 # See LICENSE file for copyright and license details.
 
-LINUX_SYMBOL_TABLES != sed -n 's/^.*LINUX_SYMBOL_PRINTER_\([A-Z0-9_]\+\)\b.*\$$\$$\$$.*\$$\$$\$$.*$$/\1/p' < linux/syscalls.h
+LINUX_SYMBOL_TABLES != sed -n 's/^.*LINUX_SYMBOL_PRINTER_\([A-Z0-9_]\{1,\}\)\([^A-Za-z0-9_].*\)*\$$\$$\$$.*\$$\$$\$$.*$$/\1/p' < linux/syscalls.h
 
 LINUX_SYMBOL_TABLE_FILES != printf 'linux-src/symbols-$(LINUX_VERSION)/%s\n' $(LINUX_SYMBOL_TABLES)
 
@@ -28,7 +28,7 @@ libsyscalls_get_syscall_display_info.lo: generated/linux-symbol-extractors.h lin
 $(LINUX_SYMBOL_TABLE_FILES): $(LINUX_SYMBOL_TABLE_DEPS)
 	mkdir -p -- linux-src/symbols-$(LINUX_VERSION)
 	table="$$(printf '%s\n' "$@" | tr / '\n' | sed -n '$$p')" && \
-	command="$$(sed -n 's/^.*LINUX_SYMBOL_PRINTER_'"$$table"'\b.*\$$\$$\$$\s*\(.*\)\s*\$$\$$\$$.*$$/\1/p' < linux/syscalls.h)" && \
+	command="$$(sed -n 's/^.*LINUX_SYMBOL_PRINTER_'"$$table"'\([^A-Za-z0-9_].*\)*\$$\$$\$$$(s)*\(.*\)$(s)*\$$\$$\$$.*$$/\2/p' < linux/syscalls.h)" && \
 	test -n "$$command" && \
 	printf '%s\n' "$$command" && \
 	(cd -- linux-src/linux-$(LINUX_VERSION) && env PATH="../../util:$${PATH}" sh -e -c "$$command") > $@
@@ -39,30 +39,30 @@ generated/linux-symbol-extractors.h: $(LINUX_SYMBOL_EXTRACTOR_DEPS)
 	for tablefile in $(LINUX_SYMBOL_TABLE_FILES); do \
 		tablename="$$(printf '%s\n' "$$tablefile" | cut -d / -f 3)"; \
 		how="$$(sed -n < linux/syscalls.h \
-		        's/^.*LINUX_SYMBOL_PRINTER_'"$$tablename"'\b.*\/\*\s*\(.*\)\s*\$$\$$\$$.*\$$\$$\$$.*$$/\1/p')"; \
+		        's/^.*LINUX_SYMBOL_PRINTER_'"$$tablename"'\([^A-Za-z0-9_].*\)*\/\*$(s)*\(.*\)$(s)*\$$\$$\$$.*\$$\$$\$$.*$$/\2/p')"; \
 		printf '\n'; \
 		util/make-sym-extractor "$$tablename" "$$how" < "$$tablefile"; \
 	done > $@.tmp
 	set -e; \
-	pattern='\s\+LINUX_SYMBOL_PRINTER_\([A-Z0-9_]\+\)\s*'; \
+	pattern='$(s)\{1,\}LINUX_SYMBOL_PRINTER_\([A-Z0-9_]\{1,\}\)$(s)*'; \
 	funcprefix='extract_linux_symbol_'; \
-	sed -n 's/^\s*\x23\s*define'"$$pattern$$pattern"'\(\/.*\)\?$$/\x23define '$$funcprefix'\1 '$$funcprefix'\2/p' \
+	sed -n 's/^$(s)*$(h)$(s)*define'"$$pattern$$pattern"'\(\/.*\)\{0,1\}$$/$(h)define '$$funcprefix'\1 '$$funcprefix'\2/p' \
 		< linux/syscalls.h | tr '[A-Z]' '[a-z]' > $@
 	storage_and_rettype="$$(sed '/^$$/d' < $@.tmp | sed 1q | sed 's/\*/\\\*/g' | sed 's/[^\*]$$/& /')"; \
 	sed -n 's/^extract_symbol_.*/'"$${storage_and_rettype}"'&;/p' < $@.tmp | cat - $@.tmp >> $@
 	-rm -f -- $@.tmp
 	set -e; \
 	sed 's/, */ /g' < linux/syscalls.h \
-	| sed -n 's/^.*LINUX_SYMBOL_PRINTER_\([A-Z0-9_]\+\)\b.*[^$$]\$$\$$\s*SYMBOLS(\(.*\))\s*\$$\$$[^$$].*$$/\1 \2/p' \
+	| sed -n 's/^.*LINUX_SYMBOL_PRINTER_\([A-Z0-9_]\{1,\}\)\([^A-Za-z0-9_].*[^$$]\|[^A-Za-z0-9_$$]\)\$$\$$$(s)*SYMBOLS(\(.*\))$(s)*\$$\$$[^$$].*$$/\1 \3/p' \
 	| while read line; do \
 		printf '\n'; \
 		util/make-multiextractor $$line; \
 	done >> $@
 	printf '\n\43define LIST_LINUX_EXTRACTORS(X, D)\\\n' >> $@
 	set -e; \
-	phonies="$$(sed -n '/\$$\$$\$$\s*BEGIN\s\+PHONIES\s*\$$\$$\$$/,/\$$\$$\$$\s*END\s\+PHONIES\s*\$$\$$\$$/p' < linux/syscalls.h \
-	            | sed -n 's/^\s*LINUX_SYMBOL_PRINTER_\([A-Z0-9_]\+\)\b.*$$/\1/p')"; \
-	sed -n 's/^extract_symbol_\([^)]*\)(.*)\s*\/\*\s*\([0-9]\+\)\s*\*\/\s*$$/\1 \2/p' < $@ \
+	phonies="$$(sed -n '/\$$\$$\$$$(s)*BEGIN$(s)\{1,\}PHONIES$(s)*\$$\$$\$$/,/\$$\$$\$$$(s)*END$(s)\{1,\}PHONIES$(s)*\$$\$$\$$/p' < linux/syscalls.h \
+	            | sed -n 's/^$(s)*LINUX_SYMBOL_PRINTER_\([A-Z0-9_]\{1,\}\)\([^A-Za-z0-9_].*\)*$$/\1/p')"; \
+	sed -n 's/^extract_symbol_\([^)]*\)(.*)$(s)*\/\*$(s)*\([0-9]\{1,\}\)$(s)*\*\/$(s)*$$/\1 \2/p' < $@ \
 	| while read name n; do \
 		if ! printf '%s\n' "$$phonies" | grep -i \^"$$name"\$$ > /dev/null; then \
 			printf '\tX(LINUX_SYMBOL_PRINTER_%s, extract_symbol_%s, %i) D\\\n' \
-- 
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