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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/x86/include/asm/uprobes.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/include/asm/uprobes.h')
-rw-r--r--arch/x86/include/asm/uprobes.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/x86/include/asm/uprobes.h b/arch/x86/include/asm/uprobes.h
new file mode 100644
index 000000000..678fb546f
--- /dev/null
+++ b/arch/x86/include/asm/uprobes.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _ASM_UPROBES_H
+#define _ASM_UPROBES_H
+/*
+ * User-space Probes (UProbes) for x86
+ *
+ * Copyright (C) IBM Corporation, 2008-2011
+ * Authors:
+ * Srikar Dronamraju
+ * Jim Keniston
+ */
+
+#include <linux/notifier.h>
+
+typedef u8 uprobe_opcode_t;
+
+#define MAX_UINSN_BYTES 16
+#define UPROBE_XOL_SLOT_BYTES 128 /* to keep it cache aligned */
+
+#define UPROBE_SWBP_INSN 0xcc
+#define UPROBE_SWBP_INSN_SIZE 1
+
+struct uprobe_xol_ops;
+
+struct arch_uprobe {
+ union {
+ u8 insn[MAX_UINSN_BYTES];
+ u8 ixol[MAX_UINSN_BYTES];
+ };
+
+ const struct uprobe_xol_ops *ops;
+
+ union {
+ struct {
+ s32 offs;
+ u8 ilen;
+ u8 opc1;
+ } branch;
+ struct {
+ u8 fixups;
+ u8 ilen;
+ } defparam;
+ struct {
+ u8 reg_offset; /* to the start of pt_regs */
+ u8 ilen;
+ } push;
+ };
+};
+
+struct arch_uprobe_task {
+#ifdef CONFIG_X86_64
+ unsigned long saved_scratch_register;
+#endif
+ unsigned int saved_trap_nr;
+ unsigned int saved_tf;
+};
+
+#endif /* _ASM_UPROBES_H */