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/* common register includes used in multiple modules
* Copyright (C) 2005-2019 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_
#if defined (STAPCONF_X86_UNIREGS) && (defined (__x86_64__) || defined (__i386__))
#define REG_IP(regs) regs->ip
#define REG_SP(regs) regs->sp
#define REG_FP(regs) regs->bp
#elif defined (__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
#define REG_FP(regs) regs->ebp
#elif defined (__ia64__)
#define REG_IP(regs) ((regs)->cr_iip +ia64_psr(regs)->ri)
#define REG_SP(regs) ((regs)->r12)
#define SET_REG_IP(regs, x) \
(((regs)->cr_iip = (x) & ~3UL), (ia64_psr(regs)->ri = (x) & 3UL))
#elif defined (__powerpc__)
#define REG_IP(regs) regs->nip
#define REG_SP(regs) regs->gpr[1]
#define REG_LINK(regs) regs->link
#elif defined (__aarch64__)
#define REG_IP(regs_arg) (regs_arg)->pc
#define REG_SP(regs_arg) (regs_arg)->sp
#define REG_LINK(regs_arg) (regs_arg)->regs[30]
#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 (__mips__)
#define REG_IP(regs_arg) ((regs_arg)->cp0_epc)
#define REG_SP(regs_arg) ((regs_arg)->regs[29])
#elif defined (__riscv)
#define REG_IP(regs_arg) (regs_arg)->epc
#define REG_SP(regs_arg) (regs_arg)->sp
#define REG_LINK(regs_arg) (regs_arg)->ra
#elif defined (__s390__) || defined (__s390x__)
#ifndef __s390x__
#ifndef PSW_ADDR_AMODE
#define PSW_ADDR_AMODE 0x80000000UL
#endif
#ifndef PSW_ADDR_INSN
#define PSW_ADDR_INSN 0x7FFFFFFFUL
#endif
#else /* __s390x__ */
#ifndef PSW_ADDR_AMODE
#define PSW_ADDR_AMODE 0x0000000000000000UL
#endif
#ifndef PSW_ADDR_INSN
#define PSW_ADDR_INSN 0xFFFFFFFFFFFFFFFFUL
#endif
#endif /* __s390x__ */
#define REG_IP(regs) (((regs)->psw.addr) & PSW_ADDR_INSN)
#define REG_SP(regs) (regs)->gprs[15]
#define SET_REG_IP(regs,x) (regs)->psw.addr = (x) | PSW_ADDR_AMODE
#else
#error "Unimplemented architecture"
#endif
#ifndef SET_REG_IP
#define SET_REG_IP(regs, x) REG_IP(regs) = x
#endif
static void _stp_print_regs(struct pt_regs * regs);
#endif /* _REGS_H_ */
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