svn commit: r349712 - stable/12/sys/kern
Justin Hibbits
jhibbits at FreeBSD.org
Wed Jul 3 21:30:19 UTC 2019
Author: jhibbits
Date: Wed Jul 3 21:30:18 2019
New Revision: 349712
URL: https://svnweb.freebsd.org/changeset/base/349712
Log:
MFC r348299
kern/CTF: link_elf_ctf_get() on big endian platforms
Check the CTF magic number in big endian platforms. This lets DTrace FBT
handle types correctly on these platforms.
Modified:
stable/12/sys/kern/kern_ctf.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/kern/kern_ctf.c
==============================================================================
--- stable/12/sys/kern/kern_ctf.c Wed Jul 3 21:05:40 2019 (r349711)
+++ stable/12/sys/kern/kern_ctf.c Wed Jul 3 21:30:18 2019 (r349712)
@@ -193,8 +193,12 @@ link_elf_ctf_get(linker_file_t lf, linker_ctf_t *lc)
NOCRED, NULL, td)) != 0)
goto out;
- /* Check the CTF magic number. (XXX check for big endian!) */
+ /* Check the CTF magic number. */
+#ifdef __LITTLE_ENDIAN__
if (ctf_hdr[0] != 0xf1 || ctf_hdr[1] != 0xcf) {
+#else
+ if (ctf_hdr[0] != 0xcf || ctf_hdr[1] != 0xf1) {
+#endif
printf("%s(%d): module %s has invalid format\n",
__func__, __LINE__, lf->pathname);
error = EFTYPE;
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