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#ifndef _ARCH_PPC64LE_H
#define _ARCH_PPC64LE_H
/** Offset of TLS pointer. */
#define TLS_DTV_OFFSET 0x8000
/* The Red zone. */
#define RED_ZONE_LEN 512
/**
* Number of bytes that the kernel subtracts from the program counter,
* when an ongoing syscall gets interrupted and must be restarted.
*/
#define RESTART_SYSCALL_SIZE 0
#ifdef __ASSEMBLER__
/* Declarations that requires assembler. */
/** Field offset determining the real size (in bytes) of the ulp stack. */
#define ULP_STACK_REAL_SIZE 0
/** Field offset determining the used size (in bytes) of the ulp stack. */
#define ULP_STACK_USED_SIZE 8
/** Field offset determining the object pointer (allocated by mmap) of the ulp stack. */
#define ULP_STACK_PTR 16
#else
/* Declarations that requires a C compiler. */
/** Struct used to store the registers in memory. */
typedef struct pt_regs registers_t;
/** Register in which the function stores the return value. */
#define FUNCTION_RETURN_REG(reg) ((reg).gpr[3])
/** Register which acts as a program counter. */
#define PROGRAM_COUNTER_REG(reg) ((reg).nip)
/** Register which acts as top of stack. */
#define STACK_TOP_REG(reg) ((reg).gpr[1])
/** Set the GLOBAL ENTRYPOINT REGISTER, which in power is r12. */
#define SET_GLOBAL_ENTRYPOINT_REG(reg, val) (reg).gpr[12] = (val)
/** Field determining the real size (in longs) of the ulp stack. */
#define ULP_STACK_REAL_SIZE 0
/** Field determining the used size (in longs) of the ulp stack. */
#define ULP_STACK_USED_SIZE 1
/** Field determining the object pointer (allocated by mmap) of the ulp stack. */
#define ULP_STACK_PTR 2
/** The ulp_stack object, defined in ulp_prologue.S. */
extern __thread unsigned long ulp_stack[];
#endif /* __ASSEMBLER__ */
#endif /* _ARCH_PPC64LE_H */
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