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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/x86/include/uapi/asm/ptrace-abi.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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#ifndef _ASM_X86_PTRACE_ABI_H

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#define _ASM_X86_PTRACE_ABI_H

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#ifdef __i386__

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#define EBX 0

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#define ECX 1

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#define EDX 2

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#define ESI 3

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#define EDI 4

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#define EBP 5

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#define EAX 6

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#define DS 7

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#define ES 8

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#define FS 9

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#define GS 10

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#define ORIG_EAX 11

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#define EIP 12

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#define CS  13

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#define EFL 14

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#define UESP 15

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#define SS   16

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#define FRAME_SIZE 17

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#else /* __i386__ */

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#if defined(__ASSEMBLER__) || defined(__FRAME_OFFSETS)

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/*

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 * C ABI says these regs are callee-preserved. They aren't saved on kernel entry

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 * unless syscall needs a complete, fully filled "struct pt_regs".

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 */

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#define R15 0

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#define R14 8

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#define R13 16

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#define R12 24

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#define RBP 32

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#define RBX 40

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/* These regs are callee-clobbered. Always saved on kernel entry. */

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#define R11 48

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#define R10 56

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#define R9 64

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#define R8 72

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#define RAX 80

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#define RCX 88

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#define RDX 96

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#define RSI 104

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#define RDI 112

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/*

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 * On syscall entry, this is syscall#. On CPU exception, this is error code.

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 * On hw interrupt, it's IRQ number:

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 */

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#define ORIG_RAX 120

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/* Return frame for iretq */

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#define RIP 128

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#define CS 136

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#define EFLAGS 144

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#define RSP 152

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#define SS 160

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#endif /* __ASSEMBLER__ */

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/* top of stack page */

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#define FRAME_SIZE 168

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#endif /* !__i386__ */

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/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */

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#define PTRACE_GETREGS            12

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#define PTRACE_SETREGS            13

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#define PTRACE_GETFPREGS          14

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#define PTRACE_SETFPREGS          15

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#define PTRACE_GETFPXREGS         18

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#define PTRACE_SETFPXREGS         19

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#define PTRACE_OLDSETOPTIONS      21

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/* only useful for access 32bit programs / kernels */

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#define PTRACE_GET_THREAD_AREA    25

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#define PTRACE_SET_THREAD_AREA    26

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#ifdef __x86_64__

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# define PTRACE_ARCH_PRCTL	  30

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#endif

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#define PTRACE_SYSEMU		  31

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#define PTRACE_SYSEMU_SINGLESTEP  32

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#define PTRACE_SINGLEBLOCK	33	/* resume execution until next branch */

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#ifndef __ASSEMBLER__

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#include <linux/types.h>

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#endif

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#endif /* _ASM_X86_PTRACE_ABI_H */

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