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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /tools/perf/arch/powerpc/util/unwind-libunwind.c
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--tools/perf/arch/powerpc/util/unwind-libunwind.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/tools/perf/arch/powerpc/util/unwind-libunwind.c b/tools/perf/arch/powerpc/util/unwind-libunwind.c
new file mode 100644
index 000000000..90a6beda2
--- /dev/null
+++ b/tools/perf/arch/powerpc/util/unwind-libunwind.c
@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2016 Chandan Kumar, IBM Corporation.
+ */
+
+#include <errno.h>
+#include <libunwind.h>
+#include <asm/perf_regs.h>
+#include "../../util/unwind.h"
+#include "../../util/debug.h"
+
+int libunwind__arch_reg_id(int regnum)
+{
+ switch (regnum) {
+ case UNW_PPC64_R0:
+ return PERF_REG_POWERPC_R0;
+ case UNW_PPC64_R1:
+ return PERF_REG_POWERPC_R1;
+ case UNW_PPC64_R2:
+ return PERF_REG_POWERPC_R2;
+ case UNW_PPC64_R3:
+ return PERF_REG_POWERPC_R3;
+ case UNW_PPC64_R4:
+ return PERF_REG_POWERPC_R4;
+ case UNW_PPC64_R5:
+ return PERF_REG_POWERPC_R5;
+ case UNW_PPC64_R6:
+ return PERF_REG_POWERPC_R6;
+ case UNW_PPC64_R7:
+ return PERF_REG_POWERPC_R7;
+ case UNW_PPC64_R8:
+ return PERF_REG_POWERPC_R8;
+ case UNW_PPC64_R9:
+ return PERF_REG_POWERPC_R9;
+ case UNW_PPC64_R10:
+ return PERF_REG_POWERPC_R10;
+ case UNW_PPC64_R11:
+ return PERF_REG_POWERPC_R11;
+ case UNW_PPC64_R12:
+ return PERF_REG_POWERPC_R12;
+ case UNW_PPC64_R13:
+ return PERF_REG_POWERPC_R13;
+ case UNW_PPC64_R14:
+ return PERF_REG_POWERPC_R14;
+ case UNW_PPC64_R15:
+ return PERF_REG_POWERPC_R15;
+ case UNW_PPC64_R16:
+ return PERF_REG_POWERPC_R16;
+ case UNW_PPC64_R17:
+ return PERF_REG_POWERPC_R17;
+ case UNW_PPC64_R18:
+ return PERF_REG_POWERPC_R18;
+ case UNW_PPC64_R19:
+ return PERF_REG_POWERPC_R19;
+ case UNW_PPC64_R20:
+ return PERF_REG_POWERPC_R20;
+ case UNW_PPC64_R21:
+ return PERF_REG_POWERPC_R21;
+ case UNW_PPC64_R22:
+ return PERF_REG_POWERPC_R22;
+ case UNW_PPC64_R23:
+ return PERF_REG_POWERPC_R23;
+ case UNW_PPC64_R24:
+ return PERF_REG_POWERPC_R24;
+ case UNW_PPC64_R25:
+ return PERF_REG_POWERPC_R25;
+ case UNW_PPC64_R26:
+ return PERF_REG_POWERPC_R26;
+ case UNW_PPC64_R27:
+ return PERF_REG_POWERPC_R27;
+ case UNW_PPC64_R28:
+ return PERF_REG_POWERPC_R28;
+ case UNW_PPC64_R29:
+ return PERF_REG_POWERPC_R29;
+ case UNW_PPC64_R30:
+ return PERF_REG_POWERPC_R30;
+ case UNW_PPC64_R31:
+ return PERF_REG_POWERPC_R31;
+ case UNW_PPC64_LR:
+ return PERF_REG_POWERPC_LINK;
+ case UNW_PPC64_CTR:
+ return PERF_REG_POWERPC_CTR;
+ case UNW_PPC64_XER:
+ return PERF_REG_POWERPC_XER;
+ case UNW_PPC64_NIP:
+ return PERF_REG_POWERPC_NIP;
+ default:
+ pr_err("unwind: invalid reg id %d\n", regnum);
+ return -EINVAL;
+ }
+ return -EINVAL;
+}