1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __PERF_REGS_H
3*4882a593Smuzhiyun #define __PERF_REGS_H
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <linux/types.h>
6*4882a593Smuzhiyun #include <linux/compiler.h>
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun struct regs_dump;
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun struct sample_reg {
11*4882a593Smuzhiyun const char *name;
12*4882a593Smuzhiyun uint64_t mask;
13*4882a593Smuzhiyun };
14*4882a593Smuzhiyun #define SMPL_REG(n, b) { .name = #n, .mask = 1ULL << (b) }
15*4882a593Smuzhiyun #define SMPL_REG2(n, b) { .name = #n, .mask = 3ULL << (b) }
16*4882a593Smuzhiyun #define SMPL_REG_END { .name = NULL }
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun enum {
19*4882a593Smuzhiyun SDT_ARG_VALID = 0,
20*4882a593Smuzhiyun SDT_ARG_SKIP,
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun int arch_sdt_arg_parse_op(char *old_op, char **new_op);
24*4882a593Smuzhiyun uint64_t arch__intr_reg_mask(void);
25*4882a593Smuzhiyun uint64_t arch__user_reg_mask(void);
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun #ifdef HAVE_PERF_REGS_SUPPORT
28*4882a593Smuzhiyun extern const struct sample_reg sample_reg_masks[];
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun #include <perf_regs.h>
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun #define DWARF_MINIMAL_REGS ((1ULL << PERF_REG_IP) | (1ULL << PERF_REG_SP))
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
35*4882a593Smuzhiyun
perf_reg_name(int id)36*4882a593Smuzhiyun static inline const char *perf_reg_name(int id)
37*4882a593Smuzhiyun {
38*4882a593Smuzhiyun const char *reg_name = __perf_reg_name(id);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun return reg_name ?: "unknown";
41*4882a593Smuzhiyun }
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun #else
44*4882a593Smuzhiyun #define PERF_REGS_MASK 0
45*4882a593Smuzhiyun #define PERF_REGS_MAX 0
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun #define DWARF_MINIMAL_REGS PERF_REGS_MASK
48*4882a593Smuzhiyun
perf_reg_name(int id __maybe_unused)49*4882a593Smuzhiyun static inline const char *perf_reg_name(int id __maybe_unused)
50*4882a593Smuzhiyun {
51*4882a593Smuzhiyun return "unknown";
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun
perf_reg_value(u64 * valp __maybe_unused,struct regs_dump * regs __maybe_unused,int id __maybe_unused)54*4882a593Smuzhiyun static inline int perf_reg_value(u64 *valp __maybe_unused,
55*4882a593Smuzhiyun struct regs_dump *regs __maybe_unused,
56*4882a593Smuzhiyun int id __maybe_unused)
57*4882a593Smuzhiyun {
58*4882a593Smuzhiyun return 0;
59*4882a593Smuzhiyun }
60*4882a593Smuzhiyun #endif /* HAVE_PERF_REGS_SUPPORT */
61*4882a593Smuzhiyun #endif /* __PERF_REGS_H */
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