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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _PERF_DWARF_REGS_H_
#define _PERF_DWARF_REGS_H_
#include "annotate.h"
#define DWARF_REG_PC 0xd3af9c /* random number */
#define DWARF_REG_FB 0xd3affb /* random number */
#ifdef HAVE_LIBDW_SUPPORT
const char *get_arch_regstr(unsigned int n);
/*
* get_dwarf_regstr - Returns ftrace register string from DWARF regnum
* n: DWARF register number
* machine: ELF machine signature (EM_*)
*/
const char *get_dwarf_regstr(unsigned int n, unsigned int machine);
int get_arch_regnum(const char *name);
/*
* get_dwarf_regnum - Returns DWARF regnum from register name
* name: architecture register name
* machine: ELF machine signature (EM_*)
*/
int get_dwarf_regnum(const char *name, unsigned int machine);
#else /* HAVE_LIBDW_SUPPORT */
static inline int get_dwarf_regnum(const char *name __maybe_unused,
unsigned int machine __maybe_unused)
{
return -1;
}
#endif
#if !defined(__powerpc__) || !defined(HAVE_LIBDW_SUPPORT)
static inline void get_powerpc_regs(u32 raw_insn __maybe_unused, int is_source __maybe_unused,
struct annotated_op_loc *op_loc __maybe_unused)
{
return;
}
#else
void get_powerpc_regs(u32 raw_insn, int is_source, struct annotated_op_loc *op_loc);
#endif
#endif
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