linux/tools/perf/util/dwarf-regs.c
Arnaldo Carvalho de Melo 877a7a1105 perf tools: Add include <linux/kernel.h> where ARRAY_SIZE() is used
To pave the way for further cleanups where linux/kernel.h may stop being
included in some header.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-qqxan6tfsl6qx3l0v3nwgjvk@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19 13:01:44 -03:00

61 lines
1.8 KiB
C

/*
* dwarf-regs.c : Mapping of DWARF debug register numbers into register names.
*
* Written by: Masami Hiramatsu <mhiramat@kernel.org>
*/
#include <util.h>
#include <debug.h>
#include <dwarf-regs.h>
#include <elf.h>
#include <linux/kernel.h>
#ifndef EM_AARCH64
#define EM_AARCH64 183 /* ARM 64 bit */
#endif
/* Define const char * {arch}_register_tbl[] */
#define DEFINE_DWARF_REGSTR_TABLE
#include "../arch/x86/include/dwarf-regs-table.h"
#include "../arch/arm/include/dwarf-regs-table.h"
#include "../arch/arm64/include/dwarf-regs-table.h"
#include "../arch/sh/include/dwarf-regs-table.h"
#include "../arch/powerpc/include/dwarf-regs-table.h"
#include "../arch/s390/include/dwarf-regs-table.h"
#include "../arch/sparc/include/dwarf-regs-table.h"
#include "../arch/xtensa/include/dwarf-regs-table.h"
#define __get_dwarf_regstr(tbl, n) (((n) < ARRAY_SIZE(tbl)) ? (tbl)[(n)] : NULL)
/* Return architecture dependent register string (for kprobe-tracer) */
const char *get_dwarf_regstr(unsigned int n, unsigned int machine)
{
switch (machine) {
case EM_NONE: /* Generic arch - use host arch */
return get_arch_regstr(n);
case EM_386:
return __get_dwarf_regstr(x86_32_regstr_tbl, n);
case EM_X86_64:
return __get_dwarf_regstr(x86_64_regstr_tbl, n);
case EM_ARM:
return __get_dwarf_regstr(arm_regstr_tbl, n);
case EM_AARCH64:
return __get_dwarf_regstr(aarch64_regstr_tbl, n);
case EM_SH:
return __get_dwarf_regstr(sh_regstr_tbl, n);
case EM_S390:
return __get_dwarf_regstr(s390_regstr_tbl, n);
case EM_PPC:
case EM_PPC64:
return __get_dwarf_regstr(powerpc_regstr_tbl, n);
case EM_SPARC:
case EM_SPARCV9:
return __get_dwarf_regstr(sparc_regstr_tbl, n);
case EM_XTENSA:
return __get_dwarf_regstr(xtensa_regstr_tbl, n);
default:
pr_err("ELF MACHINE %x is not supported.\n", machine);
}
return NULL;
}