diff options
Diffstat (limited to 'tools/perf/util/probe-finder.c')
| -rw-r--r-- | tools/perf/util/probe-finder.c | 55 |
1 files changed, 2 insertions, 53 deletions
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 3e7977560be5..e7ee52fd0e09 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -31,6 +31,7 @@ #include <string.h> #include <stdarg.h> #include <ctype.h> +#include <dwarf-regs.h> #include "string.h" #include "event.h" @@ -38,61 +39,9 @@ #include "util.h" #include "probe-finder.h" - -/* - * Generic dwarf analysis helpers - */ - -#define X86_32_MAX_REGS 8 -const char *x86_32_regs_table[X86_32_MAX_REGS] = { - "%ax", - "%cx", - "%dx", - "%bx", - "$stack", /* Stack address instead of %sp */ - "%bp", - "%si", - "%di", -}; - -#define X86_64_MAX_REGS 16 -const char *x86_64_regs_table[X86_64_MAX_REGS] = { - "%ax", - "%dx", - "%cx", - "%bx", - "%si", - "%di", - "%bp", - "%sp", - "%r8", - "%r9", - "%r10", - "%r11", - "%r12", - "%r13", - "%r14", - "%r15", -}; - -/* TODO: switching by dwarf address size */ -#ifdef __x86_64__ -#define ARCH_MAX_REGS X86_64_MAX_REGS -#define arch_regs_table x86_64_regs_table -#else -#define ARCH_MAX_REGS X86_32_MAX_REGS -#define arch_regs_table x86_32_regs_table -#endif - /* Kprobe tracer basic type is up to u64 */ #define MAX_BASIC_TYPE_BITS 64 -/* Return architecture dependent register string (for kprobe-tracer) */ -static const char *get_arch_regstr(unsigned int n) -{ - return (n <= ARCH_MAX_REGS) ? arch_regs_table[n] : NULL; -} - /* * Compare the tail of two strings. * Return 0 if whole of either string is same as another's tail part. @@ -447,7 +396,7 @@ static int convert_location(Dwarf_Op *op, struct probe_finder *pf) regs = get_arch_regstr(regn); if (!regs) { - pr_warning("%u exceeds max register number.\n", regn); + pr_warning("Mapping for DWARF register number %u missing on this architecture.", regn); return -ERANGE; } |