summaryrefslogtreecommitdiffstats
path: root/arch/arc/include/asm/kprobes.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arc/include/asm/kprobes.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arc/include/asm/kprobes.h')
-rw-r--r--arch/arc/include/asm/kprobes.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arc/include/asm/kprobes.h b/arch/arc/include/asm/kprobes.h
new file mode 100644
index 000000000..de1566e32
--- /dev/null
+++ b/arch/arc/include/asm/kprobes.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
+ */
+
+#ifndef _ARC_KPROBES_H
+#define _ARC_KPROBES_H
+
+#include <asm-generic/kprobes.h>
+
+#ifdef CONFIG_KPROBES
+
+typedef u16 kprobe_opcode_t;
+
+#define UNIMP_S_INSTRUCTION 0x79e0
+#define TRAP_S_2_INSTRUCTION 0x785e
+
+#define MAX_INSN_SIZE 8
+#define MAX_STACK_SIZE 64
+
+struct arch_specific_insn {
+ int is_short;
+ kprobe_opcode_t *t1_addr, *t2_addr;
+ kprobe_opcode_t t1_opcode, t2_opcode;
+};
+
+#define flush_insn_slot(p) do { } while (0)
+
+#define kretprobe_blacklist_size 0
+
+struct kprobe;
+
+void arch_remove_kprobe(struct kprobe *p);
+
+int kprobe_exceptions_notify(struct notifier_block *self,
+ unsigned long val, void *data);
+
+struct prev_kprobe {
+ struct kprobe *kp;
+ unsigned long status;
+};
+
+struct kprobe_ctlblk {
+ unsigned int kprobe_status;
+ struct prev_kprobe prev_kprobe;
+};
+
+int kprobe_fault_handler(struct pt_regs *regs, unsigned long cause);
+void __kretprobe_trampoline(void);
+void trap_is_kprobe(unsigned long address, struct pt_regs *regs);
+#else
+#define trap_is_kprobe(address, regs)
+#endif /* CONFIG_KPROBES */
+
+#endif /* _ARC_KPROBES_H */