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[S390] perf: add DWARF register lookup for s390

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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2011-01-05 12:48:12 +01:00
committed by Martin Schwidefsky
parent 4cc9bed034
commit f602be639e
2 changed files with 26 additions and 0 deletions
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4
tools/perf/arch/s390/Makefile Normal file
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@@ -0,0 +1,4 @@
ifndef NO_DWARF
PERF_HAVE_DWARF_REGS := 1
LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o
endif

22
tools/perf/arch/s390/util/dwarf-regs.c Normal file
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@@ -0,0 +1,22 @@
/*
* Mapping of DWARF debug register numbers into register names.
*
* Copyright IBM Corp. 2010
* Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>,
*
*/
#include <libio.h>
#include <dwarf-regs.h>
#define NUM_GPRS 16
static const char *gpr_names[NUM_GPRS] = {
"%r0", "%r1", "%r2", "%r3", "%r4", "%r5", "%r6", "%r7",
"%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15",
};
const char *get_arch_regstr(unsigned int n)
{
return (n >= NUM_GPRS) ? NULL : gpr_names[n];
}