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-rw-r--r--tools/perf/arch/csky/util/Build4
-rw-r--r--tools/perf/arch/csky/util/dwarf-regs.c49
-rw-r--r--tools/perf/arch/csky/util/perf_regs.c6
-rw-r--r--tools/perf/arch/csky/util/unwind-libdw.c77
4 files changed, 136 insertions, 0 deletions
diff --git a/tools/perf/arch/csky/util/Build b/tools/perf/arch/csky/util/Build
new file mode 100644
index 000000000..7d3050134
--- /dev/null
+++ b/tools/perf/arch/csky/util/Build
@@ -0,0 +1,4 @@
+perf-y += perf_regs.o
+
+perf-$(CONFIG_DWARF) += dwarf-regs.o
+perf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
diff --git a/tools/perf/arch/csky/util/dwarf-regs.c b/tools/perf/arch/csky/util/dwarf-regs.c
new file mode 100644
index 000000000..ca86ecaea
--- /dev/null
+++ b/tools/perf/arch/csky/util/dwarf-regs.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+// Mapping of DWARF debug register numbers into register names.
+
+#include <stddef.h>
+#include <dwarf-regs.h>
+
+#if defined(__CSKYABIV2__)
+#define CSKY_MAX_REGS 73
+const char *csky_dwarf_regs_table[CSKY_MAX_REGS] = {
+ /* r0 ~ r8 */
+ "%a0", "%a1", "%a2", "%a3", "%regs0", "%regs1", "%regs2", "%regs3",
+ /* r9 ~ r15 */
+ "%regs4", "%regs5", "%regs6", "%regs7", "%regs8", "%regs9", "%sp",
+ "%lr",
+ /* r16 ~ r23 */
+ "%exregs0", "%exregs1", "%exregs2", "%exregs3", "%exregs4",
+ "%exregs5", "%exregs6", "%exregs7",
+ /* r24 ~ r31 */
+ "%exregs8", "%exregs9", "%exregs10", "%exregs11", "%exregs12",
+ "%exregs13", "%exregs14", "%tls",
+ "%pc", NULL, NULL, NULL, "%hi", "%lo", NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ "%epc",
+};
+#else
+#define CSKY_MAX_REGS 57
+const char *csky_dwarf_regs_table[CSKY_MAX_REGS] = {
+ /* r0 ~ r8 */
+ "%sp", "%regs9", "%a0", "%a1", "%a2", "%a3", "%regs0", "%regs1",
+ /* r9 ~ r15 */
+ "%regs2", "%regs3", "%regs4", "%regs5", "%regs6", "%regs7", "%regs8",
+ "%lr",
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ "%epc",
+};
+#endif
+
+const char *get_arch_regstr(unsigned int n)
+{
+ return (n < CSKY_MAX_REGS) ? csky_dwarf_regs_table[n] : NULL;
+}
diff --git a/tools/perf/arch/csky/util/perf_regs.c b/tools/perf/arch/csky/util/perf_regs.c
new file mode 100644
index 000000000..2864e2e37
--- /dev/null
+++ b/tools/perf/arch/csky/util/perf_regs.c
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "../../util/perf_regs.h"
+
+const struct sample_reg sample_reg_masks[] = {
+ SMPL_REG_END
+};
diff --git a/tools/perf/arch/csky/util/unwind-libdw.c b/tools/perf/arch/csky/util/unwind-libdw.c
new file mode 100644
index 000000000..4bb4a0677
--- /dev/null
+++ b/tools/perf/arch/csky/util/unwind-libdw.c
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+
+#include <elfutils/libdwfl.h>
+#include "../../util/unwind-libdw.h"
+#include "../../util/perf_regs.h"
+#include "../../util/event.h"
+
+bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
+{
+ struct unwind_info *ui = arg;
+ struct regs_dump *user_regs = &ui->sample->user_regs;
+ Dwarf_Word dwarf_regs[PERF_REG_CSKY_MAX];
+
+#define REG(r) ({ \
+ Dwarf_Word val = 0; \
+ perf_reg_value(&val, user_regs, PERF_REG_CSKY_##r); \
+ val; \
+})
+
+#if defined(__CSKYABIV2__)
+ dwarf_regs[0] = REG(A0);
+ dwarf_regs[1] = REG(A1);
+ dwarf_regs[2] = REG(A2);
+ dwarf_regs[3] = REG(A3);
+ dwarf_regs[4] = REG(REGS0);
+ dwarf_regs[5] = REG(REGS1);
+ dwarf_regs[6] = REG(REGS2);
+ dwarf_regs[7] = REG(REGS3);
+ dwarf_regs[8] = REG(REGS4);
+ dwarf_regs[9] = REG(REGS5);
+ dwarf_regs[10] = REG(REGS6);
+ dwarf_regs[11] = REG(REGS7);
+ dwarf_regs[12] = REG(REGS8);
+ dwarf_regs[13] = REG(REGS9);
+ dwarf_regs[14] = REG(SP);
+ dwarf_regs[15] = REG(LR);
+ dwarf_regs[16] = REG(EXREGS0);
+ dwarf_regs[17] = REG(EXREGS1);
+ dwarf_regs[18] = REG(EXREGS2);
+ dwarf_regs[19] = REG(EXREGS3);
+ dwarf_regs[20] = REG(EXREGS4);
+ dwarf_regs[21] = REG(EXREGS5);
+ dwarf_regs[22] = REG(EXREGS6);
+ dwarf_regs[23] = REG(EXREGS7);
+ dwarf_regs[24] = REG(EXREGS8);
+ dwarf_regs[25] = REG(EXREGS9);
+ dwarf_regs[26] = REG(EXREGS10);
+ dwarf_regs[27] = REG(EXREGS11);
+ dwarf_regs[28] = REG(EXREGS12);
+ dwarf_regs[29] = REG(EXREGS13);
+ dwarf_regs[30] = REG(EXREGS14);
+ dwarf_regs[31] = REG(TLS);
+ dwarf_regs[32] = REG(PC);
+#else
+ dwarf_regs[0] = REG(SP);
+ dwarf_regs[1] = REG(REGS9);
+ dwarf_regs[2] = REG(A0);
+ dwarf_regs[3] = REG(A1);
+ dwarf_regs[4] = REG(A2);
+ dwarf_regs[5] = REG(A3);
+ dwarf_regs[6] = REG(REGS0);
+ dwarf_regs[7] = REG(REGS1);
+ dwarf_regs[8] = REG(REGS2);
+ dwarf_regs[9] = REG(REGS3);
+ dwarf_regs[10] = REG(REGS4);
+ dwarf_regs[11] = REG(REGS5);
+ dwarf_regs[12] = REG(REGS6);
+ dwarf_regs[13] = REG(REGS7);
+ dwarf_regs[14] = REG(REGS8);
+ dwarf_regs[15] = REG(LR);
+#endif
+ dwfl_thread_state_register_pc(thread, REG(PC));
+
+ return dwfl_thread_state_registers(thread, 0, PERF_REG_CSKY_MAX,
+ dwarf_regs);
+}