diff options
Diffstat (limited to 'tools/perf/util/dwarf-regs-powerpc.c')
| -rw-r--r-- | tools/perf/util/dwarf-regs-powerpc.c | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/tools/perf/util/dwarf-regs-powerpc.c b/tools/perf/util/dwarf-regs-powerpc.c deleted file mode 100644 index caf77a234c78..000000000000 --- a/tools/perf/util/dwarf-regs-powerpc.c +++ /dev/null @@ -1,61 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Mapping of DWARF debug register numbers into register names. - * - * Copyright (C) 2010 Ian Munsie, IBM Corporation. - */ - -#include <dwarf-regs.h> - -#define PPC_OP(op) (((op) >> 26) & 0x3F) -#define PPC_RA(a) (((a) >> 16) & 0x1f) -#define PPC_RT(t) (((t) >> 21) & 0x1f) -#define PPC_RB(b) (((b) >> 11) & 0x1f) -#define PPC_D(D) ((D) & 0xfffe) -#define PPC_DS(DS) ((DS) & 0xfffc) -#define OP_LD 58 -#define OP_STD 62 - -static int get_source_reg(u32 raw_insn) -{ - return PPC_RA(raw_insn); -} - -static int get_target_reg(u32 raw_insn) -{ - return PPC_RT(raw_insn); -} - -static int get_offset_opcode(u32 raw_insn) -{ - int opcode = PPC_OP(raw_insn); - - /* DS- form */ - if ((opcode == OP_LD) || (opcode == OP_STD)) - return PPC_DS(raw_insn); - else - return PPC_D(raw_insn); -} - -/* - * Fills the required fields for op_loc depending on if it - * is a source or target. - * D form: ins RT,D(RA) -> src_reg1 = RA, offset = D, dst_reg1 = RT - * DS form: ins RT,DS(RA) -> src_reg1 = RA, offset = DS, dst_reg1 = RT - * X form: ins RT,RA,RB -> src_reg1 = RA, src_reg2 = RB, dst_reg1 = RT - */ -void get_powerpc_regs(u32 raw_insn, int is_source, - struct annotated_op_loc *op_loc) -{ - if (is_source) - op_loc->reg1 = get_source_reg(raw_insn); - else - op_loc->reg1 = get_target_reg(raw_insn); - - if (op_loc->multi_regs) - op_loc->reg2 = PPC_RB(raw_insn); - - /* TODO: Implement offset handling for X Form */ - if ((op_loc->mem_ref) && (PPC_OP(raw_insn) != 31)) - op_loc->offset = get_offset_opcode(raw_insn); -} |
