62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PERF_REGS_H
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#define __PERF_REGS_H
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#include <linux/types.h>
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#include <linux/compiler.h>
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struct regs_dump;
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struct sample_reg {
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const char *name;
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uint64_t mask;
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};
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#define SMPL_REG(n, b) { .name = #n, .mask = 1ULL << (b) }
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#define SMPL_REG2(n, b) { .name = #n, .mask = 3ULL << (b) }
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#define SMPL_REG_END { .name = NULL }
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enum {
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SDT_ARG_VALID = 0,
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SDT_ARG_SKIP,
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};
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int arch_sdt_arg_parse_op(char *old_op, char **new_op);
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uint64_t arch__intr_reg_mask(void);
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uint64_t arch__user_reg_mask(void);
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#ifdef HAVE_PERF_REGS_SUPPORT
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extern const struct sample_reg sample_reg_masks[];
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#include <perf_regs.h>
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#define DWARF_MINIMAL_REGS ((1ULL << PERF_REG_IP) | (1ULL << PERF_REG_SP))
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int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
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static inline const char *perf_reg_name(int id)
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{
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const char *reg_name = __perf_reg_name(id);
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return reg_name ?: "unknown";
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}
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#else
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#define PERF_REGS_MASK 0
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#define PERF_REGS_MAX 0
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#define DWARF_MINIMAL_REGS PERF_REGS_MASK
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static inline const char *perf_reg_name(int id __maybe_unused)
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{
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return "unknown";
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}
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static inline int perf_reg_value(u64 *valp __maybe_unused,
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struct regs_dump *regs __maybe_unused,
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int id __maybe_unused)
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{
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return 0;
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}
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#endif /* HAVE_PERF_REGS_SUPPORT */
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#endif /* __PERF_REGS_H */
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