1 files changed, 0 insertions, 76 deletions
diff --git a/tools/perf/arch/powerpc/util/unwind-libdw.c b/tools/perf/arch/powerpc/util/unwind-libdw.c
deleted file mode 100644
index e9a5a8bb67d9..000000000000
--- a/tools/perf/arch/powerpc/util/unwind-libdw.c
+++ /dev/null
@@ -1,76 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <elfutils/libdwfl.h>
-#include <linux/kernel.h>
-#include "perf_regs.h"
-#include "../../../util/unwind-libdw.h"
-#include "../../../util/perf_regs.h"
-#include "../../../util/sample.h"
-
-/* See backends/ppc_initreg.c and backends/ppc_regs.c in elfutils.  */
-static const int special_regs[3][2] = {
-	{ 65, PERF_REG_POWERPC_LINK },
-	{ 101, PERF_REG_POWERPC_XER },
-	{ 109, PERF_REG_POWERPC_CTR },
-};
-
-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[32], dwarf_nip;
-	size_t i;
-
-#define REG(r) ({						\
-	Dwarf_Word val = 0;					\
-	perf_reg_value(&val, user_regs, PERF_REG_POWERPC_##r);	\
-	val;							\
-})
-
-	dwarf_regs[0]  = REG(R0);
-	dwarf_regs[1]  = REG(R1);
-	dwarf_regs[2]  = REG(R2);
-	dwarf_regs[3]  = REG(R3);
-	dwarf_regs[4]  = REG(R4);
-	dwarf_regs[5]  = REG(R5);
-	dwarf_regs[6]  = REG(R6);
-	dwarf_regs[7]  = REG(R7);
-	dwarf_regs[8]  = REG(R8);
-	dwarf_regs[9]  = REG(R9);
-	dwarf_regs[10] = REG(R10);
-	dwarf_regs[11] = REG(R11);
-	dwarf_regs[12] = REG(R12);
-	dwarf_regs[13] = REG(R13);
-	dwarf_regs[14] = REG(R14);
-	dwarf_regs[15] = REG(R15);
-	dwarf_regs[16] = REG(R16);
-	dwarf_regs[17] = REG(R17);
-	dwarf_regs[18] = REG(R18);
-	dwarf_regs[19] = REG(R19);
-	dwarf_regs[20] = REG(R20);
-	dwarf_regs[21] = REG(R21);
-	dwarf_regs[22] = REG(R22);
-	dwarf_regs[23] = REG(R23);
-	dwarf_regs[24] = REG(R24);
-	dwarf_regs[25] = REG(R25);
-	dwarf_regs[26] = REG(R26);
-	dwarf_regs[27] = REG(R27);
-	dwarf_regs[28] = REG(R28);
-	dwarf_regs[29] = REG(R29);
-	dwarf_regs[30] = REG(R30);
-	dwarf_regs[31] = REG(R31);
-	if (!dwfl_thread_state_registers(thread, 0, 32, dwarf_regs))
-		return false;
-
-	dwarf_nip = REG(NIP);
-	dwfl_thread_state_register_pc(thread, dwarf_nip);
-	for (i = 0; i < ARRAY_SIZE(special_regs); i++) {
-		Dwarf_Word val = 0;
-		perf_reg_value(&val, user_regs, special_regs[i][1]);
-		if (!dwfl_thread_state_registers(thread,
-						 special_regs[i][0], 1,
-						 &val))
-			return false;
-	}
-
-	return true;
-}