[PATCH v1 10/23] perf dwarf-regs: Remove get_arch_regnum

[Ian Rogers <irogers@google.com>]

Except in dwarf-regs the function is never called. The weak function
has no strong arch implementations. Remove so that the fall-through
case applies.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/util/dwarf-regs.c         | 12 ------------
 tools/perf/util/include/dwarf-regs.h |  4 ----
 2 files changed, 16 deletions(-)

diff --git a/tools/perf/util/dwarf-regs.c b/tools/perf/util/dwarf-regs.c
index 28a1cfdf26d4..b2f37299147e 100644
--- a/tools/perf/util/dwarf-regs.c
+++ b/tools/perf/util/dwarf-regs.c
@@ -71,13 +71,6 @@ const char *get_dwarf_regstr(unsigned int n, unsigned int machine, unsigned int
 	return NULL;
 }
 
-#if EM_HOST != EM_X86_64 && EM_HOST != EM_386
-__weak int get_arch_regnum(const char *name __maybe_unused)
-{
-	return -ENOTSUP;
-}
-#endif
-
 /* Return DWARF register number from architecture register name */
 int get_dwarf_regnum(const char *name, unsigned int machine, unsigned int flags __maybe_unused)
 {
@@ -98,11 +91,6 @@ int get_dwarf_regnum(const char *name, unsigned int machine, unsigned int flags
 		machine = EM_HOST;
 	}
 	switch (machine) {
-#if EM_HOST != EM_X86_64 && EM_HOST != EM_386
-	case EM_HOST:
-		reg = get_arch_regnum(regname);
-		break;
-#endif
 	case EM_X86_64:
 		fallthrough;
 	case EM_386:
diff --git a/tools/perf/util/include/dwarf-regs.h b/tools/perf/util/include/dwarf-regs.h
index 6f1b9f6b2466..015d1ade645f 100644
--- a/tools/perf/util/include/dwarf-regs.h
+++ b/tools/perf/util/include/dwarf-regs.h
@@ -101,10 +101,6 @@ const char *get_dwarf_regstr(unsigned int n, unsigned int machine, unsigned int
 
 int get_x86_regnum(const char *name);
 
-#if !defined(__x86_64__) && !defined(__i386__)
-int get_arch_regnum(const char *name);
-#endif
-
 /*
  * get_dwarf_regnum - Returns DWARF regnum from register name
  * name: architecture register name
-- 
2.52.0.457.g6b5491de43-goog