diff --git a/kpatch_parse-fix-failed-to-recognize-.cold.patch b/kpatch_parse-fix-failed-to-recognize-.cold.patch new file mode 100644 index 0000000..0ab6315 --- /dev/null +++ b/kpatch_parse-fix-failed-to-recognize-.cold.patch @@ -0,0 +1,123 @@ +From 6ebfe7d2af327dad9c9d4c5b2733ba55bd81571c Mon Sep 17 00:00:00 2001 +From: jiang-dawei15 +Date: Tue, 1 Mar 2022 20:00:58 +0800 +Subject: [PATCH 2/2] kpatch_parse: fix failed to recognize .cold + +the .cold suffix have two forms of expression: func.cold or +func.cold.NUM, we need to support recognizing both patterns. + +Signed-off-by: Bihong Yu +--- + src/arch/x86/arch_parse.c | 4 ++-- + src/include/kpatch_parse.h | 2 +- + src/kpatch_parse.c | 14 ++++++-------- + tests/gcc_ge8_gensrc/run_gcc_ge8_gensrc_test.sh | 11 +++++++---- + 4 files changed, 16 insertions(+), 15 deletions(-) + +diff --git a/src/arch/x86/arch_parse.c b/src/arch/x86/arch_parse.c +index 31caa46..aee82b8 100644 +--- a/src/arch/x86/arch_parse.c ++++ b/src/arch/x86/arch_parse.c +@@ -72,10 +72,10 @@ void recog_func_attr(struct kp_file *f, int i, kpstr_t *nm, int *cnt) + get_type_args(cline(f, i), &func_nm, &func_attr); + if(!kpstrcmpz(&func_attr, "@function")) { + if(func_nm.l > nm->l) +- remove_cold_hot_suffix(&func_nm); /* remove .cold. / .hot. */ ++ remove_cold_suffix(&func_nm); /* remove .cold */ + + if(!kpstrcmp(&func_nm, nm)) /* verify name matches */ +- ++(*cnt); ++ ++(*cnt); + } + } + } +diff --git a/src/include/kpatch_parse.h b/src/include/kpatch_parse.h +index c52a1e3..d2225c5 100644 +--- a/src/include/kpatch_parse.h ++++ b/src/include/kpatch_parse.h +@@ -106,7 +106,7 @@ struct cblock { + + void get_token(char **str, kpstr_t *x); + void __get_token(char **str, kpstr_t *x, const char *delim); +-void remove_cold_hot_suffix(kpstr_t *nm); ++void remove_cold_suffix(kpstr_t *nm); + + int is_function_start(struct kp_file *f, int l, kpstr_t *nm); + int is_function_end(struct kp_file *f, int l, kpstr_t *nm); +diff --git a/src/kpatch_parse.c b/src/kpatch_parse.c +index 0885cbe..43c885c 100644 +--- a/src/kpatch_parse.c ++++ b/src/kpatch_parse.c +@@ -78,17 +78,15 @@ void get_token(char **str, kpstr_t *x) + __get_token(str, x, delim); + } + +-/* remove .cold. / .hot. in function name */ +-void remove_cold_hot_suffix(kpstr_t *nm) ++/* remove .cold in function name */ ++void remove_cold_suffix(kpstr_t *nm) + { + if(!nm->s) + return; +- +- char *suffix_loc = strstr(nm->s, ".cold."); +- if(!suffix_loc) +- suffix_loc = strstr(nm->s, ".hot."); ++ ++ char *suffix_loc = strstr(nm->s, ".cold"); + if(suffix_loc) +- nm->l = suffix_loc - nm->s; /* remove .cold. / .hot. */ ++ nm->l = suffix_loc - nm->s; /* remove .cold */ + } + + /* ------------------------------ as directives parsing ---------------------------------- */ +@@ -790,7 +788,7 @@ int is_function_end(struct kp_file *f, int l, kpstr_t *nm) + get_token(&s, &nm2); + + if(nm2.l > nm->l) +- remove_cold_hot_suffix(&nm2); /* remove .cold. / .hot. */ ++ remove_cold_suffix(&nm2); /* remove .cold */ + + if (kpstrcmp(nm, &nm2)) /* verify name matches */ + return 0; +diff --git a/tests/gcc_ge8_gensrc/run_gcc_ge8_gensrc_test.sh b/tests/gcc_ge8_gensrc/run_gcc_ge8_gensrc_test.sh +index 4534038..b508e99 100755 +--- a/tests/gcc_ge8_gensrc/run_gcc_ge8_gensrc_test.sh ++++ b/tests/gcc_ge8_gensrc/run_gcc_ge8_gensrc_test.sh +@@ -22,12 +22,12 @@ for SOURCE in $SOURCE_SET; do + FILENAME=${SOURCE##*/} + CASENAME=${FILENAME%.orig.s} + if [ $CASENAME == "cold_func_suffix" ]; then +- KEY_WORD="\.cold." ++ KEY_WORD="\.cold" + else + KEY_WORD=$CASENAME + fi + +- KEY_WORD_LINE=$(grep -c $KEY_WORD $SOURCE) ++ KEY_WORD_LINE=$(grep -c "$KEY_WORD" $SOURCE) + if [ $KEY_WORD_LINE -lt "2" ]; then + echo "SKIP: $CASENAME, $KEY_WORD not found" + SKIP_CNT=$(($SKIP_CNT+1)) +@@ -37,7 +37,7 @@ for SOURCE in $SOURCE_SET; do + $KPATCH_GENSRC --os=rhel6 -i $SOURCE -i $SOURCE -o ${SOURCE/.orig/.o} + sed -i '/^#/d' ${SOURCE/.orig/.o} + +- DIFF_LINE=$(diff $SOURCE ${SOURCE/.orig/.o} | grep -c $KEY_WORD) ++ DIFF_LINE=$(diff $SOURCE ${SOURCE/.orig/.o} | grep -c "$KEY_WORD") + if [ $DIFF_LINE -gt "0" ]; then + echo "TEST $CASENAME IS FAIL" + FAIL_CNT=$(($FAIL_CNT+1)) +@@ -48,4 +48,7 @@ for SOURCE in $SOURCE_SET; do + done + + echo "OK $OK_CNT FAIL $FAIL_CNT SKIP $SKIP_CNT TOTAL $TOTAL_CASE" +-exit 0 +\ No newline at end of file ++if [ $FAIL_CNT -ne 0 ]; then ++ exit 1 ++fi ++exit 0 +-- +2.27.0 +