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/* common register includes used in multiple modules
* Copyright (C) 2005 Red Hat Inc.
* Copyright (C) 2005 Intel Corporation.
*
* This file is part of systemtap, and is free software. You can
* redistribute it and/or modify it under the terms of the GNU General
* Public License (GPL); either version 2, or (at your option) any
* later version.
*/
#ifndef _REGS_H_ /* -*- linux-c -*- */
#define _REGS_H_
#ifdef __x86_64__
#define REG_IP(regs) regs->rip
#define REG_SP(regs) regs->rsp
#elif defined (__i386__)
#define REG_IP(regs) regs->eip
#define REG_SP(regs) regs->esp
#elif defined (__ia64__)
#define REG_IP(regs) ((regs)->cr_iip +ia64_psr(regs)->ri)
#define REG_SP(regs) ((regs)->r12)
#elif defined (__powerpc64__)
#define REG_IP(regs) regs->nip
#define REG_SP(regs) regs->gpr[1]
#define REG_LINK(regs) regs->link
#elif defined (__arm__)
#define REG_IP(regs) regs->ARM_pc
#define REG_SP(regs) regs->ARM_sp
#define REG_LINK(regs) regs->ARM_lr
#elif defined (__s390__) || defined (__s390x__)
#ifndef __s390x__
#define PSW_ADDR_AMODE 0x80000000UL
#else /* __s390x__ */
#define PSW_ADDR_AMODE 0x0000000000000000UL
#endif /* __s390x__ */
#define REG_IP(regs) (((regs)->psw.addr) | PSW_ADDR_AMODE)
#define REG_SP(regs) (regs)->gprs[15]
#else
#error "Unimplemented architecture"
#endif
#endif /* _REGS_H_ */
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