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