From 1fa6ac379c6353faa628703b7ed1ee3e2023ef75 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Wed, 14 Jul 2010 22:59:00 -0700 Subject: perf: Add DWARF register lookup for sparc Signed-off-by: David S. Miller --- tools/perf/arch/sparc/Makefile | 4 +++ tools/perf/arch/sparc/util/dwarf-regs.c | 43 +++++++++++++++++++++++++++++++++ 2 files changed, 47 insertions(+) create mode 100644 tools/perf/arch/sparc/Makefile create mode 100644 tools/perf/arch/sparc/util/dwarf-regs.c (limited to 'tools/perf/arch') diff --git a/tools/perf/arch/sparc/Makefile b/tools/perf/arch/sparc/Makefile new file mode 100644 index 00000000000..15130b50dfe --- /dev/null +++ b/tools/perf/arch/sparc/Makefile @@ -0,0 +1,4 @@ +ifndef NO_DWARF +PERF_HAVE_DWARF_REGS := 1 +LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o +endif diff --git a/tools/perf/arch/sparc/util/dwarf-regs.c b/tools/perf/arch/sparc/util/dwarf-regs.c new file mode 100644 index 00000000000..0ab88483720 --- /dev/null +++ b/tools/perf/arch/sparc/util/dwarf-regs.c @@ -0,0 +1,43 @@ +/* + * Mapping of DWARF debug register numbers into register names. + * + * Copyright (C) 2010 David S. Miller + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include +#include + +#define SPARC_MAX_REGS 96 + +const char *sparc_regs_table[SPARC_MAX_REGS] = { + "%g0", "%g1", "%g2", "%g3", "%g4", "%g5", "%g6", "%g7", + "%o0", "%o1", "%o2", "%o3", "%o4", "%o5", "%sp", "%o7", + "%l0", "%l1", "%l2", "%l3", "%l4", "%l5", "%l6", "%l7", + "%i0", "%i1", "%i2", "%i3", "%i4", "%i5", "%fp", "%i7", + "%f0", "%f1", "%f2", "%f3", "%f4", "%f5", "%f6", "%f7", + "%f8", "%f9", "%f10", "%f11", "%f12", "%f13", "%f14", "%f15", + "%f16", "%f17", "%f18", "%f19", "%f20", "%f21", "%f22", "%f23", + "%f24", "%f25", "%f26", "%f27", "%f28", "%f29", "%f30", "%f31", + "%f32", "%f33", "%f34", "%f35", "%f36", "%f37", "%f38", "%f39", + "%f40", "%f41", "%f42", "%f43", "%f44", "%f45", "%f46", "%f47", + "%f48", "%f49", "%f50", "%f51", "%f52", "%f53", "%f54", "%f55", + "%f56", "%f57", "%f58", "%f59", "%f60", "%f61", "%f62", "%f63", +}; + +/** + * 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) +{ + return (n <= SPARC_MAX_REGS) ? sparc_regs_table[n] : NULL; +} -- cgit v1.2.3-70-g09d2