ptrace-abi.h
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#ifndef _X86_64_PTRACE_ABI_H
#define _X86_64_PTRACE_ABI_H
#if defined(__ASSEMBLY__) || defined(__FRAME_OFFSETS)
#define R15 0
#define R14 8
#define R13 16
#define R12 24
#define RBP 32
#define RBX 40
/* arguments: interrupts/non tracing syscalls only save upto here*/
#define R11 48
#define R10 56
#define R9 64
#define R8 72
#define RAX 80
#define RCX 88
#define RDX 96
#define RSI 104
#define RDI 112
#define ORIG_RAX 120 /* = ERROR */
/* end of arguments */
/* cpu exception frame or undefined in case of fast syscall. */
#define RIP 128
#define CS 136
#define EFLAGS 144
#define RSP 152
#define SS 160
#define ARGOFFSET R11
#endif /* __ASSEMBLY__ */
/* top of stack page */
#define FRAME_SIZE 168
#define PTRACE_OLDSETOPTIONS 21
/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14
#define PTRACE_SETFPREGS 15
#define PTRACE_GETFPXREGS 18
#define PTRACE_SETFPXREGS 19
/* only useful for access 32bit programs */
#define PTRACE_GET_THREAD_AREA 25
#define PTRACE_SET_THREAD_AREA 26
#define PTRACE_ARCH_PRCTL 30 /* arch_prctl for child */
#endif