1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _PERF_DWARF_REGS_H_ 3 #define _PERF_DWARF_REGS_H_ 4 5 #ifdef HAVE_DWARF_SUPPORT 6 const char *get_arch_regstr(unsigned int n); 7 /* 8 * get_dwarf_regstr - Returns ftrace register string from DWARF regnum 9 * n: DWARF register number 10 * machine: ELF machine signature (EM_*) 11 */ 12 const char *get_dwarf_regstr(unsigned int n, unsigned int machine); 13 #endif 14 15 #ifdef HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET 16 /* 17 * Arch should support fetching the offset of a register in pt_regs 18 * by its name. See kernel's regs_query_register_offset in 19 * arch/xxx/kernel/ptrace.c. 20 */ 21 int regs_query_register_offset(const char *name); 22 #endif 23 #endif 24