malhuda/msm-4.14
1
0
Fork 0
mirror of https://github.com/rd-stuffs/msm-4.14.git synced 2025-02-20 11:45:48 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

ANDROID: kallsyms: strip hashes from function names with ThinLTO

Browse Source 
With CONFIG_THINLTO and CFI both enabled, LLVM appends a hash to the
names of all static functions. This breaks userspace tools, so strip
out the hash from output.

Bug: 147422318
Change-Id: Ibea6be089d530e92dcd191481cb02549041203f6
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
This commit is contained in:
Sami Tolvanen 2020-01-29 16:04:42 -08:00
parent 98c326e94f
commit 75f80b3632
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
kernel/kallsyms.c
View File

@ -314,6 +314,12 @@ static inline void cleanup_symbol_name(char *s)
{
char *res;
#ifdef CONFIG_THINLTO
/* Filter out hashes from static functions */
res = strrchr(s, '$');
if (res)
*res = '\0';
#endif
res = strrchr(s, '.');
if (res && !strcmp(res, ".cfi"))
*res = '\0';