kpatch_elf: compatible with older versions of the so naming rules

New openEuler so naming rules have been changed, such as:
  old so naming rules: libc-x.y.z.so
     <----->
  new so naming rules: libc.so.x.y.z

We need support this two version.
fix elf/strip: adapt to new gcc version(10.3.1)

Signed-off-by: Bihong Yu <yubihong@huawei.com>
Signed-off-by: imxcc <xingchaochao@huawei.com>
(cherry picked from commit 32e6a91435834614104e4b25b61bf5de4f3cc1c4)

kpatch_elf-compatible-with-older-versions-of-the-so-.patch

@@ -0,0 +1,49 @@
+From b316ee94be9e6bdcda30400511593550de1eb29b Mon Sep 17 00:00:00 2001
+From: jiang-dawei15 <jiangdawei15@huawei.com>
+Date: Tue, 1 Mar 2022 16:07:37 +0800
+Subject: [PATCH 1/2] kpatch_elf: compatible with older versions of the so
+ naming rules
+
+New openEuler so naming rules have been changed, such as:
+  old so naming rules: libc-x.y.z.so
+    <----->
+  new so naming rules: libc.so.x.y.z
+
+We need support this two version.
+fix commit: abfc33435c25e1515e35768c9a2d684aa72dc780
+
+Signed-off-by: Bihong Yu <yubihong@huawei.com>
+---
+ src/kpatch_elf.c | 12 +++++++++---
+ 1 file changed, 9 insertions(+), 3 deletions(-)
+
+diff --git a/src/kpatch_elf.c b/src/kpatch_elf.c
+index 260209a..833f8e1 100644
+--- a/src/kpatch_elf.c
++++ b/src/kpatch_elf.c
+@@ -180,13 +180,19 @@ static int
+ elf_object_is_interp_exception(struct object_file *o)
+ {
+ 	/* libc */
+-	if (!strncmp(o->name, "libc.", 5))
++	if (!strncmp(o->name, "libc.so.", 8) ||
++                (!strncmp(o->name, "libc-", 5) &&
++                 !strncmp(o->name + strlen(o->name) - 3, ".so", 3)))
+ 		return 1;
+ 	/* libpthread */
+-	if (!strncmp(o->name, "libpthread.", 11))
++	if (!strncmp(o->name, "libpthread.so.", 14) ||
++                (!strncmp(o->name, "libpthread-", 11) &&
++                 !strncmp(o->name + strlen(o->name) - 3, ".so", 3)))
+ 		return 1;
+ 	/* libdl */
+-	if (!strncmp(o->name, "libdl.", 6))
++	if (!strncmp(o->name, "libdl.so.", 9) ||
++                (!strncmp(o->name, "libdl-", 6) &&
++                 !strncmp(o->name + strlen(o->name) - 3, ".so", 3)))
+ 		return 1;
+ 	return 0;
+ }
+-- 
+2.27.0
+