+check_forbidden_additions() { # <patch>
+ res=0
+
+ # refrain from new additions of rte_panic() and rte_exit()
+ # multiple folders and expressions are separated by spaces
+ awk -v FOLDERS="lib drivers" \
+ -v EXPRESSIONS="rte_panic\\\( rte_exit\\\(" \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using rte_panic/rte_exit' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # refrain from using compiler attribute without defining a common macro
+ awk -v FOLDERS="lib drivers app examples" \
+ -v EXPRESSIONS="__attribute__" \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using compiler attribute directly' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # check %l or %ll format specifier
+ awk -v FOLDERS='lib drivers app examples' \
+ -v EXPRESSIONS='%ll*[xud]' \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using %l format, prefer %PRI*64 if type is [u]int64_t' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # forbid variable declaration inside "for" loop
+ awk -v FOLDERS='.' \
+ -v EXPRESSIONS='for[[:space:]]*\\((char|u?int|unsigned|s?size_t)' \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Declaring a variable inside for()' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # refrain from new additions of 16/32/64 bits rte_atomicNN_xxx()
+ awk -v FOLDERS="lib drivers app examples" \
+ -v EXPRESSIONS="rte_atomic[0-9][0-9]_.*\\\(" \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using rte_atomicNN_xxx' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # refrain from new additions of rte_smp_[r/w]mb()
+ awk -v FOLDERS="lib drivers app examples" \
+ -v EXPRESSIONS="rte_smp_(r|w)?mb\\\(" \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using rte_smp_[r/w]mb' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # refrain from using compiler __sync_xxx builtins
+ awk -v FOLDERS="lib drivers app examples" \
+ -v EXPRESSIONS="__sync_.*\\\(" \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using __sync_xxx builtins' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # refrain from using compiler __atomic_thread_fence()
+ # It should be avoided on x86 for SMP case.
+ awk -v FOLDERS="lib drivers app examples" \
+ -v EXPRESSIONS="__atomic_thread_fence\\\(" \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using __atomic_thread_fence' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # forbid use of experimental build flag except in examples
+ awk -v FOLDERS='lib drivers app' \
+ -v EXPRESSIONS='-DALLOW_EXPERIMENTAL_API allow_experimental_apis' \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using experimental build flag for in-tree compilation' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # refrain from using RTE_LOG_REGISTER for drivers and libs
+ awk -v FOLDERS='lib drivers' \
+ -v EXPRESSIONS='\\<RTE_LOG_REGISTER\\>' \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using RTE_LOG_REGISTER, prefer RTE_LOG_REGISTER_(DEFAULT|SUFFIX)' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # SVG must be included with wildcard extension to allow conversion
+ awk -v FOLDERS='doc' \
+ -v EXPRESSIONS='::[[:space:]]*[^[:space:]]*\\.svg' \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using explicit .svg extension instead of .*' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ # links must prefer https over http
+ awk -v FOLDERS='doc' \
+ -v EXPRESSIONS='http://.*dpdk.org' \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using non https link to dpdk.org' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
+ return $res
+}
+
+check_experimental_tags() { # <patch>
+ res=0
+
+ cat "$1" |awk '