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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /tools/perf/util/perf_regs.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--tools/perf/util/perf_regs.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h
new file mode 100644
index 000000000..ce1127af0
--- /dev/null
+++ b/tools/perf/util/perf_regs.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#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_MASK(b) (1ULL << (b))
+#define SMPL_REG(n, b) { .name = #n, .mask = SMPL_REG_MASK(b) }
+#define SMPL_REG2_MASK(b) (3ULL << (b))
+#define SMPL_REG2(n, b) { .name = #n, .mask = SMPL_REG2_MASK(b) }
+#define SMPL_REG_END { .name = NULL }
+
+enum {
+ SDT_ARG_VALID = 0,
+ SDT_ARG_SKIP,
+};
+
+int arch_sdt_arg_parse_op(char *old_op, char **new_op);
+uint64_t arch__intr_reg_mask(void);
+uint64_t arch__user_reg_mask(void);
+
+#ifdef HAVE_PERF_REGS_SUPPORT
+extern const struct sample_reg sample_reg_masks[];
+
+#include <perf_regs.h>
+
+#define DWARF_MINIMAL_REGS ((1ULL << PERF_REG_IP) | (1ULL << PERF_REG_SP))
+
+const char *perf_reg_name(int id, const char *arch);
+int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
+
+#else
+#define PERF_REGS_MASK 0
+#define PERF_REGS_MAX 0
+
+#define DWARF_MINIMAL_REGS PERF_REGS_MASK
+
+static inline const char *perf_reg_name(int id __maybe_unused, const char *arch __maybe_unused)
+{
+ return "unknown";
+}
+
+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 */