From 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 20:24:20 +0200 Subject: Adding upstream version 14.2.21. Signed-off-by: Daniel Baumann --- src/spdk/dpdk/devtools/check-symbol-change.sh | 159 ++++++++++++++++++++++++++ 1 file changed, 159 insertions(+) create mode 100755 src/spdk/dpdk/devtools/check-symbol-change.sh (limited to 'src/spdk/dpdk/devtools/check-symbol-change.sh') diff --git a/src/spdk/dpdk/devtools/check-symbol-change.sh b/src/spdk/dpdk/devtools/check-symbol-change.sh new file mode 100755 index 00000000..daaf45e1 --- /dev/null +++ b/src/spdk/dpdk/devtools/check-symbol-change.sh @@ -0,0 +1,159 @@ +#!/bin/sh +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2018 Neil Horman + +build_map_changes() +{ + local fname="$1" + local mapdb="$2" + + cat "$fname" | awk ' + # Initialize our variables + BEGIN {map="";sym="";ar="";sec=""; in_sec=0; in_map=0} + + # Anything that starts with + or -, followed by an a + # and ends in the string .map is the name of our map file + # This may appear multiple times in a patch if multiple + # map files are altered, and all section/symbol names + # appearing between a triggering of this rule and the + # next trigger of this rule are associated with this file + /[-+] a\/.*\.map/ {map=$2; in_map=1} + + # Same pattern as above, only it matches on anything that + # does not end in 'map', indicating we have left the map chunk. + # When we hit this, turn off the in_map variable, which + # supresses the subordonate rules below + /[-+] a\/.*\.^(map)/ {in_map=0} + + # Triggering this rule, which starts a line with a + and ends it + # with a { identifies a versioned section. The section name is + # the rest of the line with the + and { symbols remvoed. + # Triggering this rule sets in_sec to 1, which actives the + # symbol rule below + /+.*{/ {gsub("+",""); + if (in_map == 1) { + sec=$1; in_sec=1; + } + } + + # This rule idenfies the end of a section, and disables the + # symbol rule + /.*}/ {in_sec=0} + + # This rule matches on a + followed by any characters except a : + # (which denotes a global vs local segment), and ends with a ;. + # The semicolon is removed and the symbol is printed with its + # association file name and version section, along with an + # indicator that the symbol is a new addition. Note this rule + # only works if we have found a version section in the rule + # above (hence the in_sec check) And found a map file (the + # in_map check). If we are not in a map chunk, do nothing. If + # we are in a map chunk but not a section chunk, record it as + # unknown. + /^+[^}].*[^:*];/ {gsub(";","");sym=$2; + if (in_map == 1) { + if (in_sec == 1) { + print map " " sym " " sec " add" + } else { + print map " " sym " unknown add" + } + } + } + + # This is the same rule as above, but the rule matches on a + # leading - rather than a +, denoting that the symbol is being + # removed. + /^-[^}].*[^:*];/ {gsub(";","");sym=$2; + if (in_map == 1) { + if (in_sec == 1) { + print map " " sym " " sec " del" + } else { + print map " " sym " unknown del" + } + } + }' > "$mapdb" + + sort -u "$mapdb" > "$mapdb.2" + mv -f "$mapdb.2" "$mapdb" + +} + +check_for_rule_violations() +{ + local mapdb="$1" + local mname + local symname + local secname + local ar + local ret=0 + + while read mname symname secname ar + do + if [ "$ar" = "add" ] + then + + if [ "$secname" = "unknown" ] + then + # Just inform the user of this occurrence, but + # don't flag it as an error + echo -n "INFO: symbol $syname is added but " + echo -n "patch has insuficient context " + echo -n "to determine the section name " + echo -n "please ensure the version is " + echo "EXPERIMENTAL" + continue + fi + + if [ "$secname" != "EXPERIMENTAL" ] + then + # Symbols that are getting added in a section + # other than the experimental section + # to be moving from an already supported + # section or its a violation + grep -q \ + "$mname $symname [^EXPERIMENTAL] del" "$mapdb" + if [ $? -ne 0 ] + then + echo -n "ERROR: symbol $symname " + echo -n "is added in a section " + echo -n "other than the EXPERIMENTAL " + echo "section of the version map" + ret=1 + fi + fi + else + + if [ "$secname" != "EXPERIMENTAL" ] + then + # Just inform users that non-experimenal + # symbols need to go through a deprecation + # process + echo -n "INFO: symbol $symname is being " + echo -n "removed, ensure that it has " + echo "gone through the deprecation process" + fi + fi + done < "$mapdb" + + return $ret +} + +trap clean_and_exit_on_sig EXIT + +mapfile=`mktemp mapdb.XXXXXX` +patch=$1 +exit_code=1 + +clean_and_exit_on_sig() +{ + rm -f "$mapfile" + exit $exit_code +} + +build_map_changes "$patch" "$mapfile" +check_for_rule_violations "$mapfile" +exit_code=$? + +rm -f "$mapfile" + +exit $exit_code -- cgit v1.2.3