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-rw-r--r--tools/perf/arch/arm64/util/dwarf-regs.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/tools/perf/arch/arm64/util/dwarf-regs.c b/tools/perf/arch/arm64/util/dwarf-regs.c
deleted file mode 100644
index 917b97d7c5d3..000000000000
--- a/tools/perf/arch/arm64/util/dwarf-regs.c
+++ /dev/null
@@ -1,92 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Mapping of DWARF debug register numbers into register names.
- *
- * Copyright (C) 2010 Will Deacon, ARM Ltd.
- */
-
-#include <errno.h>
-#include <stddef.h>
-#include <string.h>
-#include <dwarf-regs.h>
-#include <linux/ptrace.h> /* for struct user_pt_regs */
-#include <linux/stringify.h>
-
-struct pt_regs_dwarfnum {
- const char *name;
- unsigned int dwarfnum;
-};
-
-#define REG_DWARFNUM_NAME(r, num) {.name = r, .dwarfnum = num}
-#define GPR_DWARFNUM_NAME(num) \
- {.name = __stringify(%x##num), .dwarfnum = num}
-#define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0}
-#define DWARFNUM2OFFSET(index) \
- (index * sizeof((struct user_pt_regs *)0)->regs[0])
-
-/*
- * Reference:
- * http://infocenter.arm.com/help/topic/com.arm.doc.ihi0057b/IHI0057B_aadwarf64.pdf
- */
-static const struct pt_regs_dwarfnum regdwarfnum_table[] = {
- GPR_DWARFNUM_NAME(0),
- GPR_DWARFNUM_NAME(1),
- GPR_DWARFNUM_NAME(2),
- GPR_DWARFNUM_NAME(3),
- GPR_DWARFNUM_NAME(4),
- GPR_DWARFNUM_NAME(5),
- GPR_DWARFNUM_NAME(6),
- GPR_DWARFNUM_NAME(7),
- GPR_DWARFNUM_NAME(8),
- GPR_DWARFNUM_NAME(9),
- GPR_DWARFNUM_NAME(10),
- GPR_DWARFNUM_NAME(11),
- GPR_DWARFNUM_NAME(12),
- GPR_DWARFNUM_NAME(13),
- GPR_DWARFNUM_NAME(14),
- GPR_DWARFNUM_NAME(15),
- GPR_DWARFNUM_NAME(16),
- GPR_DWARFNUM_NAME(17),
- GPR_DWARFNUM_NAME(18),
- GPR_DWARFNUM_NAME(19),
- GPR_DWARFNUM_NAME(20),
- GPR_DWARFNUM_NAME(21),
- GPR_DWARFNUM_NAME(22),
- GPR_DWARFNUM_NAME(23),
- GPR_DWARFNUM_NAME(24),
- GPR_DWARFNUM_NAME(25),
- GPR_DWARFNUM_NAME(26),
- GPR_DWARFNUM_NAME(27),
- GPR_DWARFNUM_NAME(28),
- GPR_DWARFNUM_NAME(29),
- REG_DWARFNUM_NAME("%lr", 30),
- REG_DWARFNUM_NAME("%sp", 31),
- REG_DWARFNUM_END,
-};
-
-/**
- * get_arch_regstr() - lookup register name from it's DWARF register number
- * @n: the DWARF register number
- *
- * get_arch_regstr() returns the name of the register in struct
- * regdwarfnum_table from it's DWARF register number. If the register is not
- * found in the table, this returns NULL;
- */
-const char *get_arch_regstr(unsigned int n)
-{
- const struct pt_regs_dwarfnum *roff;
- for (roff = regdwarfnum_table; roff->name != NULL; roff++)
- if (roff->dwarfnum == n)
- return roff->name;
- return NULL;
-}
-
-int regs_query_register_offset(const char *name)
-{
- const struct pt_regs_dwarfnum *roff;
-
- for (roff = regdwarfnum_table; roff->name != NULL; roff++)
- if (!strcmp(roff->name, name))
- return DWARFNUM2OFFSET(roff->dwarfnum);
- return -EINVAL;
-}