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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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fb71c86cc8
Check that it is not needed and remove, fixing up some fallout for places where it was only serving to get something else. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-9h6dg6lsqe2usyqjh5rrues4@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* dwarf-regs.c : Mapping of DWARF debug register numbers into register names.
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*
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* Written by: Masami Hiramatsu <mhiramat@kernel.org>
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*/
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#include <debug.h>
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#include <dwarf-regs.h>
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#include <elf.h>
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#include <linux/kernel.h>
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#ifndef EM_AARCH64
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#define EM_AARCH64 183 /* ARM 64 bit */
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#endif
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/* Define const char * {arch}_register_tbl[] */
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#define DEFINE_DWARF_REGSTR_TABLE
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#include "../arch/x86/include/dwarf-regs-table.h"
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#include "../arch/arm/include/dwarf-regs-table.h"
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#include "../arch/arm64/include/dwarf-regs-table.h"
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#include "../arch/sh/include/dwarf-regs-table.h"
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#include "../arch/powerpc/include/dwarf-regs-table.h"
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#include "../arch/s390/include/dwarf-regs-table.h"
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#include "../arch/sparc/include/dwarf-regs-table.h"
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#include "../arch/xtensa/include/dwarf-regs-table.h"
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#define __get_dwarf_regstr(tbl, n) (((n) < ARRAY_SIZE(tbl)) ? (tbl)[(n)] : NULL)
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/* Return architecture dependent register string (for kprobe-tracer) */
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const char *get_dwarf_regstr(unsigned int n, unsigned int machine)
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{
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switch (machine) {
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case EM_NONE: /* Generic arch - use host arch */
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return get_arch_regstr(n);
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case EM_386:
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return __get_dwarf_regstr(x86_32_regstr_tbl, n);
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case EM_X86_64:
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return __get_dwarf_regstr(x86_64_regstr_tbl, n);
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case EM_ARM:
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return __get_dwarf_regstr(arm_regstr_tbl, n);
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case EM_AARCH64:
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return __get_dwarf_regstr(aarch64_regstr_tbl, n);
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case EM_SH:
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return __get_dwarf_regstr(sh_regstr_tbl, n);
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case EM_S390:
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return __get_dwarf_regstr(s390_regstr_tbl, n);
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case EM_PPC:
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case EM_PPC64:
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return __get_dwarf_regstr(powerpc_regstr_tbl, n);
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case EM_SPARC:
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case EM_SPARCV9:
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return __get_dwarf_regstr(sparc_regstr_tbl, n);
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case EM_XTENSA:
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return __get_dwarf_regstr(xtensa_regstr_tbl, n);
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default:
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pr_err("ELF MACHINE %x is not supported.\n", machine);
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}
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return NULL;
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}
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