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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/arm/include/asm/uprobes.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/include/asm/uprobes.h')
-rw-r--r--arch/arm/include/asm/uprobes.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/include/asm/uprobes.h b/arch/arm/include/asm/uprobes.h
new file mode 100644
index 0000000000..6a61b28749
--- /dev/null
+++ b/arch/arm/include/asm/uprobes.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2012 Rabin Vincent <rabin at rab.in>
+ */
+
+#ifndef _ASM_UPROBES_H
+#define _ASM_UPROBES_H
+
+#include <asm/probes.h>
+#include <asm/opcodes.h>
+
+typedef u32 uprobe_opcode_t;
+
+#define MAX_UINSN_BYTES 4
+#define UPROBE_XOL_SLOT_BYTES 64
+
+#define UPROBE_SWBP_ARM_INSN 0xe7f001f9
+#define UPROBE_SS_ARM_INSN 0xe7f001fa
+#define UPROBE_SWBP_INSN __opcode_to_mem_arm(UPROBE_SWBP_ARM_INSN)
+#define UPROBE_SWBP_INSN_SIZE 4
+
+struct arch_uprobe_task {
+ u32 backup;
+ unsigned long saved_trap_no;
+};
+
+struct arch_uprobe {
+ u8 insn[MAX_UINSN_BYTES];
+ unsigned long ixol[2];
+ uprobe_opcode_t bpinsn;
+ bool simulate;
+ u32 pcreg;
+ void (*prehandler)(struct arch_uprobe *auprobe,
+ struct arch_uprobe_task *autask,
+ struct pt_regs *regs);
+ void (*posthandler)(struct arch_uprobe *auprobe,
+ struct arch_uprobe_task *autask,
+ struct pt_regs *regs);
+ struct arch_probes_insn asi;
+};
+
+#endif