linux/tools/perf/util/perf_regs.h

46 lines
982 B
C

#ifndef __PERF_REGS_H
#define __PERF_REGS_H
#include <linux/types.h>
#include <linux/compiler.h>
struct regs_dump;
struct sample_reg {
const char *name;
uint64_t mask;
};
#define SMPL_REG(n, b) { .name = #n, .mask = 1ULL << (b) }
#define SMPL_REG_END { .name = NULL }
extern const struct sample_reg sample_reg_masks[];
/*
* The table sdt_reg_renamings is used for adjusting gcc/gas-generated
* registers before filling the uprobe tracer interface.
*/
int sdt_rename_register(char **pdesc, char *old_name);
#ifdef HAVE_PERF_REGS_SUPPORT
#include <perf_regs.h>
int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
#else
#define PERF_REGS_MASK 0
#define PERF_REGS_MAX 0
static inline const char *perf_reg_name(int id __maybe_unused)
{
return NULL;
}
static inline int perf_reg_value(u64 *valp __maybe_unused,
struct regs_dump *regs __maybe_unused,
int id __maybe_unused)
{
return 0;
}
#endif /* HAVE_PERF_REGS_SUPPORT */
#endif /* __PERF_REGS_H */