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samples/kprobes: Add ARM support

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Plenty of architectures are already supported and this adds ARM
support.

Signed-off-by: Marc Koderer <marc@koderer.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/20210112154054.17138-1-marc@koderer.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Marc Koderer 2021-01-12 16:40:54 +01:00 committed by Jonathan Corbet
parent f0ea149eee
commit 6970613b4c
1 changed files with 8 additions and 0 deletions
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8
samples/kprobes/kprobe_example.c
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@ -43,6 +43,10 @@ static int __kprobes handler_pre(struct kprobe *p, struct pt_regs *regs)
" pstate = 0x%lx\n", " pstate = 0x%lx\n",
p->symbol_name, p->addr, (long)regs->pc, (long)regs->pstate); p->symbol_name, p->addr, (long)regs->pc, (long)regs->pstate);
#endif #endif
#ifdef CONFIG_ARM
pr_info("<%s> pre_handler: p->addr = 0x%p, pc = 0x%lx, cpsr = 0x%lx\n",
p->symbol_name, p->addr, (long)regs->ARM_pc, (long)regs->ARM_cpsr);
#endif
#ifdef CONFIG_S390 #ifdef CONFIG_S390
pr_info("<%s> pre_handler: p->addr, 0x%p, ip = 0x%lx, flags = 0x%lx\n", 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); p->symbol_name, p->addr, regs->psw.addr, regs->flags);
@ -72,6 +76,10 @@ static void __kprobes handler_post(struct kprobe *p, struct pt_regs *regs,
pr_info("<%s> post_handler: p->addr = 0x%p, pstate = 0x%lx\n", pr_info("<%s> post_handler: p->addr = 0x%p, pstate = 0x%lx\n",
p->symbol_name, p->addr, (long)regs->pstate); p->symbol_name, p->addr, (long)regs->pstate);
#endif #endif
#ifdef CONFIG_ARM
pr_info("<%s> post_handler: p->addr = 0x%p, cpsr = 0x%lx\n",
p->symbol_name, p->addr, (long)regs->ARM_cpsr);
#endif
#ifdef CONFIG_S390 #ifdef CONFIG_S390
pr_info("<%s> pre_handler: p->addr, 0x%p, flags = 0x%lx\n", pr_info("<%s> pre_handler: p->addr, 0x%p, flags = 0x%lx\n",
p->symbol_name, p->addr, regs->flags); p->symbol_name, p->addr, regs->flags);