Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-26 22:21:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

samples/kprobes: Add s390 case in kprobe example module

Browse Source 
Add info prints in sample kprobe handlers for S/390

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Johannes Thumshirn 2017-09-14 14:11:15 +02:00 committed by Martin Schwidefsky
parent 262832bc5a
commit e16c5dd515
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
samples/kprobes/kprobe_example.c
View File

@ -47,6 +47,10 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs)
" pstate = 0x%lx\n",
p->symbol_name, p->addr, (long)regs->pc, (long)regs->pstate);
#endif
#ifdef CONFIG_S390
pr_info("<%s> pre_handler: p->addr, 0x%p, ip = 0x%lx, flags = 0x%lx\n",
p->symbol_name, p->addr, regs->psw.addr, regs->flags);
#endif
/* A dump_stack() here will give a stack backtrace */
return 0;
@ -76,6 +80,10 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs,
pr_info("<%s> post_handler: p->addr = 0x%p, pstate = 0x%lx\n",
p->symbol_name, p->addr, (long)regs->pstate);
#endif
#ifdef CONFIG_S390
pr_info("<%s> pre_handler: p->addr, 0x%p, flags = 0x%lx\n",
p->symbol_name, p->addr, regs->flags);
#endif
}
/*