[Libunwind-devel] [PATCH 09/57] Invert tdep_init() flag logic

[Tommi Rantala]

Invert the flag that signals that tdep_init() was called, to move the
symbol from data to BSS.
---
 include/tdep-arm/libunwind_i.h    |    4 ++--
 include/tdep-hppa/libunwind_i.h   |    4 ++--
 include/tdep-ia64/libunwind_i.h   |    4 ++--
 include/tdep-mips/libunwind_i.h   |    4 ++--
 include/tdep-ppc32/libunwind_i.h  |    4 ++--
 include/tdep-ppc64/libunwind_i.h  |    4 ++--
 include/tdep-x86/libunwind_i.h    |    4 ++--
 include/tdep-x86_64/libunwind_i.h |    4 ++--
 src/arm/Gglobal.c                 |    6 +++---
 src/arm/Ginit_local.c             |    2 +-
 src/arm/Ginit_remote.c            |    2 +-
 src/hppa/Gglobal.c                |    6 +++---
 src/hppa/Ginit_local.c            |    2 +-
 src/hppa/Ginit_remote.c           |    2 +-
 src/hppa/get_accessors.c          |    8 +++-----
 src/ia64/Gglobal.c                |    5 ++---
 src/ia64/Ginit_local.c            |    2 +-
 src/ia64/Ginit_remote.c           |    2 +-
 src/mi/Gget_accessors.c           |    2 +-
 src/mi/Gset_caching_policy.c      |    2 +-
 src/mips/Gglobal.c                |    6 +++---
 src/mips/Ginit_local.c            |    2 +-
 src/mips/Ginit_remote.c           |    2 +-
 src/ppc/Ginit_local.c             |    2 +-
 src/ppc/Ginit_remote.c            |    2 +-
 src/ppc32/Gglobal.c               |    6 +++---
 src/ppc64/Gglobal.c               |    6 +++---
 src/x86/Gglobal.c                 |    6 +++---
 src/x86/Ginit_local.c             |    2 +-
 src/x86/Ginit_remote.c            |    2 +-
 src/x86_64/Gglobal.c              |    6 +++---
 src/x86_64/Ginit_local.c          |    2 +-
 src/x86_64/Ginit_remote.c         |    2 +-
 33 files changed, 58 insertions(+), 61 deletions(-)

diff --git a/include/tdep-arm/libunwind_i.h b/include/tdep-arm/libunwind_i.h
index af92f41..291b101 100644
--- a/include/tdep-arm/libunwind_i.h
+++ b/include/tdep-arm/libunwind_i.h
@@ -227,7 +227,7 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, 
unw_word_t val)
 #endif /* !UNW_LOCAL_ONLY */
 
 #define tdep_getcontext_trace           unw_getcontext
-#define tdep_needs_initialization      UNW_OBJ(needs_initialization)
+#define tdep_init_done                 UNW_OBJ(init_done)
 #define tdep_init                      UNW_OBJ(init)
 #define arm_find_proc_info             UNW_OBJ(find_proc_info)
 #define arm_put_unwind_info            UNW_OBJ(put_unwind_info)
@@ -264,7 +264,7 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, 
unw_word_t val)
 #define tdep_get_ip(c)                 ((c)->dwarf.ip)
 #define tdep_big_endian(as)            ((as)->big_endian)
 
-extern int tdep_needs_initialization;
+extern int tdep_init_done;
 
 extern void tdep_init (void);
 extern int arm_find_proc_info (unw_addr_space_t as, unw_word_t ip,
diff --git a/include/tdep-hppa/libunwind_i.h b/include/tdep-hppa/libunwind_i.h
index a94138d..b5bbcec 100644
--- a/include/tdep-hppa/libunwind_i.h
+++ b/include/tdep-hppa/libunwind_i.h
@@ -224,7 +224,7 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, 
unw_word_t val)
 #endif /* !UNW_LOCAL_ONLY */
 
 #define tdep_getcontext_trace           unw_getcontext
-#define tdep_needs_initialization      UNW_OBJ(needs_initialization)
+#define tdep_init_done                 UNW_OBJ(init_done)
 #define tdep_init                      UNW_OBJ(init)
 /* Platforms that support UNW_INFO_FORMAT_TABLE need to define
    tdep_search_unwind_table.  */
@@ -259,7 +259,7 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, 
unw_word_t val)
 #define tdep_get_ip(c)                 ((c)->dwarf.ip)
 #define tdep_big_endian(as)            1
 
-extern int tdep_needs_initialization;
+extern int tdep_init_done;
 
 extern void tdep_init (void);
 extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
diff --git a/include/tdep-ia64/libunwind_i.h b/include/tdep-ia64/libunwind_i.h
index 71e4310..4d1806d 100644
--- a/include/tdep-ia64/libunwind_i.h
+++ b/include/tdep-ia64/libunwind_i.h
@@ -186,7 +186,7 @@ struct ia64_global_unwind_state
   {
     pthread_mutex_t lock;              /* global data lock */
 
-    volatile char needs_initialization;
+    volatile char init_done;
 
     /* Table of registers that prologues can save (and order in which
        they're saved).  */
@@ -217,7 +217,7 @@ struct ia64_global_unwind_state
   };
 
 #define tdep_getcontext_trace           unw_getcontext
-#define tdep_needs_initialization      unw.needs_initialization
+#define tdep_init_done                 unw.init_done
 #define tdep_init                      UNW_OBJ(init)
 /* Platforms that support UNW_INFO_FORMAT_TABLE need to define
    tdep_search_unwind_table.  */
diff --git a/include/tdep-mips/libunwind_i.h b/include/tdep-mips/libunwind_i.h
index f2bc893..3ef1cef 100644
--- a/include/tdep-mips/libunwind_i.h
+++ b/include/tdep-mips/libunwind_i.h
@@ -277,7 +277,7 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, 
unw_word_t val)
 #endif /* !UNW_LOCAL_ONLY */
 
 #define tdep_getcontext_trace           unw_getcontext
-#define tdep_needs_initialization      UNW_OBJ(needs_initialization)
+#define tdep_init_done                 UNW_OBJ(init_done)
 #define tdep_init                      UNW_OBJ(init)
 /* Platforms that support UNW_INFO_FORMAT_TABLE need to define
    tdep_search_unwind_table.  */
@@ -311,7 +311,7 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, 
unw_word_t val)
 #define tdep_get_as_arg(c)             ((c)->dwarf.as_arg)
 #define tdep_get_ip(c)                 ((c)->dwarf.ip)
 
-extern int tdep_needs_initialization;
+extern int tdep_init_done;
 
 extern void tdep_init (void);
 extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
diff --git a/include/tdep-ppc32/libunwind_i.h b/include/tdep-ppc32/libunwind_i.h
index 7e66997..06c0023 100644
--- a/include/tdep-ppc32/libunwind_i.h
+++ b/include/tdep-ppc32/libunwind_i.h
@@ -252,7 +252,7 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, 
unw_word_t val)
 }
 
 #define tdep_getcontext_trace           unw_getcontext
-#define tdep_needs_initialization      UNW_OBJ(needs_initialization)
+#define tdep_init_done                 UNW_OBJ(init_done)
 #define tdep_init                      UNW_OBJ(init)
 /* Platforms that support UNW_INFO_FORMAT_TABLE need to define
    tdep_search_unwind_table.  */
@@ -291,7 +291,7 @@ extern int tdep_fetch_proc_info_post (struct dwarf_cursor 
*c, unw_word_t ip,
 #define tdep_get_ip(c)                 ((c)->dwarf.ip)
 #define tdep_big_endian(as)            1
 
-extern int tdep_needs_initialization;
+extern int tdep_init_done;
 
 extern void tdep_init (void);
 extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
diff --git a/include/tdep-ppc64/libunwind_i.h b/include/tdep-ppc64/libunwind_i.h
index aa979b9..6d72858 100644
--- a/include/tdep-ppc64/libunwind_i.h
+++ b/include/tdep-ppc64/libunwind_i.h
@@ -252,7 +252,7 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, 
unw_word_t val)
 }
 
 #define tdep_getcontext_trace           unw_getcontext
-#define tdep_needs_initialization      UNW_OBJ(needs_initialization)
+#define tdep_init_done                 UNW_OBJ(init_done)
 #define tdep_init                      UNW_OBJ(init)
 /* Platforms that support UNW_INFO_FORMAT_TABLE need to define
    tdep_search_unwind_table.  */
@@ -291,7 +291,7 @@ extern int tdep_fetch_proc_info_post (struct dwarf_cursor 
*c, unw_word_t ip,
 #define tdep_get_ip(c)                 ((c)->dwarf.ip)
 #define tdep_big_endian(as)            1
 
-extern int tdep_needs_initialization;
+extern int tdep_init_done;
 
 extern void tdep_init (void);
 extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
diff --git a/include/tdep-x86/libunwind_i.h b/include/tdep-x86/libunwind_i.h
index ddcdc10..f59a3cf 100644
--- a/include/tdep-x86/libunwind_i.h
+++ b/include/tdep-x86/libunwind_i.h
@@ -238,7 +238,7 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, 
unw_word_t val)
 #endif /* !UNW_LOCAL_ONLY */
 
 #define tdep_getcontext_trace           unw_getcontext
-#define tdep_needs_initialization      UNW_OBJ(needs_initialization)
+#define tdep_init_done                 UNW_OBJ(init_done)
 #define tdep_init                      UNW_OBJ(init)
 /* Platforms that support UNW_INFO_FORMAT_TABLE need to define
    tdep_search_unwind_table.  */
@@ -273,7 +273,7 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, 
unw_word_t val)
 #define tdep_get_ip(c)                 ((c)->dwarf.ip)
 #define tdep_big_endian(as)            0
 
-extern int tdep_needs_initialization;
+extern int tdep_init_done;
 
 extern void tdep_init (void);
 extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
diff --git a/include/tdep-x86_64/libunwind_i.h 
b/include/tdep-x86_64/libunwind_i.h
index 3bd0101..8c9cd05 100644
--- a/include/tdep-x86_64/libunwind_i.h
+++ b/include/tdep-x86_64/libunwind_i.h
@@ -178,7 +178,7 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, 
unw_word_t val)
 }
 
 #define tdep_getcontext_trace          UNW_ARCH_OBJ(getcontext_trace)
-#define tdep_needs_initialization      UNW_OBJ(needs_initialization)
+#define tdep_init_done                 UNW_OBJ(init_done)
 #define tdep_init_mem_validate         UNW_OBJ(init_mem_validate)
 #define tdep_init                      UNW_OBJ(init)
 /* Platforms that support UNW_INFO_FORMAT_TABLE need to define
@@ -220,7 +220,7 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, 
unw_word_t val)
 #define tdep_get_ip(c)                 ((c)->dwarf.ip)
 #define tdep_big_endian(as)            0
 
-extern int tdep_needs_initialization;
+extern int tdep_init_done;
 
 extern void tdep_init (void);
 extern void tdep_init_mem_validate (void);
diff --git a/src/arm/Gglobal.c b/src/arm/Gglobal.c
index 2856ba9..ce692f7 100644
--- a/src/arm/Gglobal.c
+++ b/src/arm/Gglobal.c
@@ -26,7 +26,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.  */
 #include "dwarf_i.h"
 
 HIDDEN pthread_mutex_t arm_lock = PTHREAD_MUTEX_INITIALIZER;
-HIDDEN int tdep_needs_initialization = 1;
+HIDDEN int tdep_init_done;
 
 /* Unwinding methods to use. See UNW_METHOD_ enums */
 HIDDEN int unwi_unwind_method = UNW_ARM_METHOD_ALL;
@@ -40,7 +40,7 @@ tdep_init (void)
 
   lock_acquire (&arm_lock, saved_mask);
   {
-    if (!tdep_needs_initialization)
+    if (tdep_init_done)
       /* another thread else beat us to it... */
       goto out;
 
@@ -58,7 +58,7 @@ tdep_init (void)
 #ifndef UNW_REMOTE_ONLY
     arm_local_addr_space_init ();
 #endif
-    tdep_needs_initialization = 0;     /* signal that we're initialized... */
+    tdep_init_done = 1;        /* signal that we're initialized... */
   }
  out:
   lock_release (&arm_lock, saved_mask);
diff --git a/src/arm/Ginit_local.c b/src/arm/Ginit_local.c
index 87d07a3..e1cc30c 100644
--- a/src/arm/Ginit_local.c
+++ b/src/arm/Ginit_local.c
@@ -41,7 +41,7 @@ unw_init_local (unw_cursor_t *cursor, unw_context_t *uc)
 {
   struct cursor *c = (struct cursor *) cursor;
 
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
diff --git a/src/arm/Ginit_remote.c b/src/arm/Ginit_remote.c
index 854f3b6..f284e99 100644
--- a/src/arm/Ginit_remote.c
+++ b/src/arm/Ginit_remote.c
@@ -33,7 +33,7 @@ unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, 
void *as_arg)
 #else /* !UNW_LOCAL_ONLY */
   struct cursor *c = (struct cursor *) cursor;
 
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
diff --git a/src/hppa/Gglobal.c b/src/hppa/Gglobal.c
index f453a43..849b8e5 100644
--- a/src/hppa/Gglobal.c
+++ b/src/hppa/Gglobal.c
@@ -26,7 +26,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.  */
 #include "unwind_i.h"
 
 HIDDEN pthread_mutex_t hppa_lock = PTHREAD_MUTEX_INITIALIZER;
-HIDDEN int tdep_needs_initialization = 1;
+HIDDEN int tdep_init_done;
 
 HIDDEN void
 tdep_init (void)
@@ -37,7 +37,7 @@ tdep_init (void)
 
   lock_acquire (&hppa_lock, saved_mask);
   {
-    if (!tdep_needs_initialization)
+    if (tdep_init_done)
       /* another thread else beat us to it... */
       goto out;
 
@@ -48,7 +48,7 @@ tdep_init (void)
 #ifndef UNW_REMOTE_ONLY
     hppa_local_addr_space_init ();
 #endif
-    tdep_needs_initialization = 0;     /* signal that we're initialized... */
+    tdep_init_done = 1;        /* signal that we're initialized... */
   }
  out:
   lock_release (&hppa_lock, saved_mask);
diff --git a/src/hppa/Ginit_local.c b/src/hppa/Ginit_local.c
index 6d4dd3d..40277f2 100644
--- a/src/hppa/Ginit_local.c
+++ b/src/hppa/Ginit_local.c
@@ -41,7 +41,7 @@ unw_init_local (unw_cursor_t *cursor, ucontext_t *uc)
 {
   struct cursor *c = (struct cursor *) cursor;
 
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
diff --git a/src/hppa/Ginit_remote.c b/src/hppa/Ginit_remote.c
index bd6093f..50ec62c 100644
--- a/src/hppa/Ginit_remote.c
+++ b/src/hppa/Ginit_remote.c
@@ -34,7 +34,7 @@ unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, 
void *as_arg)
 #else /* !UNW_LOCAL_ONLY */
   struct cursor *c = (struct cursor *) cursor;
 
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
diff --git a/src/hppa/get_accessors.c b/src/hppa/get_accessors.c
index b6bd49a..cac6cba 100644
--- a/src/hppa/get_accessors.c
+++ b/src/hppa/get_accessors.c
@@ -28,10 +28,8 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.  */
 PROTECTED unw_accessors_t *
 unw_get_accessors (unw_addr_space_t as)
 {
-  if (hppa_needs_initialization)
-    {
-      hppa_needs_initialization = 0;
-      hppa_init ();
-    }
+  if (!tdep_init_done)
+    tdep_init ();
+
   return &as->acc;
 }
diff --git a/src/ia64/Gglobal.c b/src/ia64/Gglobal.c
index b04a578..f9eea62 100644
--- a/src/ia64/Gglobal.c
+++ b/src/ia64/Gglobal.c
@@ -29,7 +29,6 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.  */
 
 HIDDEN struct ia64_global_unwind_state unw =
   {
-    .needs_initialization = 1,
     .lock = PTHREAD_MUTEX_INITIALIZER,
     .save_order = {
       IA64_REG_IP, IA64_REG_PFS, IA64_REG_PSP, IA64_REG_PR,
@@ -73,7 +72,7 @@ tdep_init (void)
 
   lock_acquire (&unw.lock, saved_mask);
   {
-    if (!tdep_needs_initialization)
+    if (tdep_init_done)
       /* another thread else beat us to it... */
       goto out;
 
@@ -116,7 +115,7 @@ tdep_init (void)
 #ifndef UNW_REMOTE_ONLY
     ia64_local_addr_space_init ();
 #endif
-    tdep_needs_initialization = 0;     /* signal that we're initialized... */
+    tdep_init_done = 1;        /* signal that we're initialized... */
   }
  out:
   lock_release (&unw.lock, saved_mask);
diff --git a/src/ia64/Ginit_local.c b/src/ia64/Ginit_local.c
index 42f8b1f..5f82c01 100644
--- a/src/ia64/Ginit_local.c
+++ b/src/ia64/Ginit_local.c
@@ -83,7 +83,7 @@ unw_init_local (unw_cursor_t *cursor, unw_context_t *uc)
   unw_word_t sp, bsp;
   int ret;
 
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
diff --git a/src/ia64/Ginit_remote.c b/src/ia64/Ginit_remote.c
index ae0b718..334d236 100644
--- a/src/ia64/Ginit_remote.c
+++ b/src/ia64/Ginit_remote.c
@@ -36,7 +36,7 @@ unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, 
void *as_arg)
   unw_word_t sp, bsp;
   int ret;
 
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
diff --git a/src/mi/Gget_accessors.c b/src/mi/Gget_accessors.c
index fb256d7..0e3606c 100644
--- a/src/mi/Gget_accessors.c
+++ b/src/mi/Gget_accessors.c
@@ -28,7 +28,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.  */
 PROTECTED unw_accessors_t *
 unw_get_accessors (unw_addr_space_t as)
 {
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
   return &as->acc;
 }
diff --git a/src/mi/Gset_caching_policy.c b/src/mi/Gset_caching_policy.c
index 52fc7e5..421c435 100644
--- a/src/mi/Gset_caching_policy.c
+++ b/src/mi/Gset_caching_policy.c
@@ -28,7 +28,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.  */
 PROTECTED int
 unw_set_caching_policy (unw_addr_space_t as, unw_caching_policy_t policy)
 {
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
 #ifndef HAVE___THREAD
diff --git a/src/mips/Gglobal.c b/src/mips/Gglobal.c
index a0386f6..a29583f 100644
--- a/src/mips/Gglobal.c
+++ b/src/mips/Gglobal.c
@@ -26,7 +26,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.  */
 #include "dwarf_i.h"
 
 HIDDEN pthread_mutex_t mips_lock = PTHREAD_MUTEX_INITIALIZER;
-HIDDEN int tdep_needs_initialization = 1;
+HIDDEN int tdep_init_done;
 
 HIDDEN void
 tdep_init (void)
@@ -37,7 +37,7 @@ tdep_init (void)
 
   lock_acquire (&mips_lock, saved_mask);
   {
-    if (!tdep_needs_initialization)
+    if (tdep_init_done)
       /* another thread else beat us to it... */
       goto out;
 
@@ -48,7 +48,7 @@ tdep_init (void)
 #ifndef UNW_REMOTE_ONLY
     mips_local_addr_space_init ();
 #endif
-    tdep_needs_initialization = 0;     /* signal that we're initialized... */
+    tdep_init_done = 1;        /* signal that we're initialized... */
   }
  out:
   lock_release (&mips_lock, saved_mask);
diff --git a/src/mips/Ginit_local.c b/src/mips/Ginit_local.c
index debf5bb..e5e1c5a 100644
--- a/src/mips/Ginit_local.c
+++ b/src/mips/Ginit_local.c
@@ -40,7 +40,7 @@ unw_init_local (unw_cursor_t *cursor, ucontext_t *uc)
 {
   struct cursor *c = (struct cursor *) cursor;
 
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
diff --git a/src/mips/Ginit_remote.c b/src/mips/Ginit_remote.c
index 854f3b6..f284e99 100644
--- a/src/mips/Ginit_remote.c
+++ b/src/mips/Ginit_remote.c
@@ -33,7 +33,7 @@ unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, 
void *as_arg)
 #else /* !UNW_LOCAL_ONLY */
   struct cursor *c = (struct cursor *) cursor;
 
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
diff --git a/src/ppc/Ginit_local.c b/src/ppc/Ginit_local.c
index b931b5b..4ca2b25 100644
--- a/src/ppc/Ginit_local.c
+++ b/src/ppc/Ginit_local.c
@@ -48,7 +48,7 @@ unw_init_local (unw_cursor_t *cursor, ucontext_t *uc)
 {
   struct cursor *c = (struct cursor *) cursor;
 
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
diff --git a/src/ppc/Ginit_remote.c b/src/ppc/Ginit_remote.c
index 0f4b0fd..4ee5402 100644
--- a/src/ppc/Ginit_remote.c
+++ b/src/ppc/Ginit_remote.c
@@ -41,7 +41,7 @@ unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, 
void *as_arg)
 #else /* !UNW_LOCAL_ONLY */
   struct cursor *c = (struct cursor *) cursor;
 
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
diff --git a/src/ppc32/Gglobal.c b/src/ppc32/Gglobal.c
index 15221f3..3656666 100644
--- a/src/ppc32/Gglobal.c
+++ b/src/ppc32/Gglobal.c
@@ -29,7 +29,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.  */
 #include "dwarf_i.h"
 
 HIDDEN pthread_mutex_t ppc32_lock = PTHREAD_MUTEX_INITIALIZER;
-HIDDEN int tdep_needs_initialization = 1;
+HIDDEN int tdep_init_done;
 
 /* The API register numbers are exactly the same as the .eh_frame
    registers, for now at least.  */
@@ -117,7 +117,7 @@ tdep_init (void)
 
   lock_acquire (&ppc32_lock, saved_mask);
   {
-    if (!tdep_needs_initialization)
+    if (tdep_init_done)
       /* another thread else beat us to it... */
       goto out;
 
@@ -128,7 +128,7 @@ tdep_init (void)
 #ifndef UNW_REMOTE_ONLY
     ppc32_local_addr_space_init ();
 #endif
-    tdep_needs_initialization = 0;     /* signal that we're initialized... */
+    tdep_init_done = 1;        /* signal that we're initialized... */
   }
  out:
   lock_release (&ppc32_lock, saved_mask);
diff --git a/src/ppc64/Gglobal.c b/src/ppc64/Gglobal.c
index 888554d..c192f62 100644
--- a/src/ppc64/Gglobal.c
+++ b/src/ppc64/Gglobal.c
@@ -29,7 +29,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.  */
 #include "dwarf_i.h"
 
 HIDDEN pthread_mutex_t ppc64_lock = PTHREAD_MUTEX_INITIALIZER;
-HIDDEN int tdep_needs_initialization = 1;
+HIDDEN int tdep_init_done;
 
 /* The API register numbers are exactly the same as the .eh_frame
    registers, for now at least.  */
@@ -164,7 +164,7 @@ tdep_init (void)
 
   lock_acquire (&ppc64_lock, saved_mask);
   {
-    if (!tdep_needs_initialization)
+    if (tdep_init_done)
       /* another thread else beat us to it... */
       goto out;
 
@@ -175,7 +175,7 @@ tdep_init (void)
 #ifndef UNW_REMOTE_ONLY
     ppc64_local_addr_space_init ();
 #endif
-    tdep_needs_initialization = 0;     /* signal that we're initialized... */
+    tdep_init_done = 1;        /* signal that we're initialized... */
   }
  out:
   lock_release (&ppc64_lock, saved_mask);
diff --git a/src/x86/Gglobal.c b/src/x86/Gglobal.c
index 3c97853..d7f5326 100644
--- a/src/x86/Gglobal.c
+++ b/src/x86/Gglobal.c
@@ -27,7 +27,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.  */
 #include "dwarf_i.h"
 
 HIDDEN pthread_mutex_t x86_lock = PTHREAD_MUTEX_INITIALIZER;
-HIDDEN int tdep_needs_initialization = 1;
+HIDDEN int tdep_init_done;
 
 /* See comments for svr4_dbx_register_map[] in gcc/config/i386/i386.c.  */
 
@@ -49,7 +49,7 @@ tdep_init (void)
 
   lock_acquire (&x86_lock, saved_mask);
   {
-    if (!tdep_needs_initialization)
+    if (tdep_init_done)
       /* another thread else beat us to it... */
       goto out;
 
@@ -60,7 +60,7 @@ tdep_init (void)
 #ifndef UNW_REMOTE_ONLY
     x86_local_addr_space_init ();
 #endif
-    tdep_needs_initialization = 0;     /* signal that we're initialized... */
+    tdep_init_done = 1;        /* signal that we're initialized... */
   }
  out:
   lock_release (&x86_lock, saved_mask);
diff --git a/src/x86/Ginit_local.c b/src/x86/Ginit_local.c
index 5e8b697..412663b 100644
--- a/src/x86/Ginit_local.c
+++ b/src/x86/Ginit_local.c
@@ -41,7 +41,7 @@ unw_init_local (unw_cursor_t *cursor, ucontext_t *uc)
 {
   struct cursor *c = (struct cursor *) cursor;
 
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
diff --git a/src/x86/Ginit_remote.c b/src/x86/Ginit_remote.c
index aa92405..c889905 100644
--- a/src/x86/Ginit_remote.c
+++ b/src/x86/Ginit_remote.c
@@ -34,7 +34,7 @@ unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, 
void *as_arg)
 #else /* !UNW_LOCAL_ONLY */
   struct cursor *c = (struct cursor *) cursor;
 
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
diff --git a/src/x86_64/Gglobal.c b/src/x86_64/Gglobal.c
index b9b001a..7c66b6d 100644
--- a/src/x86_64/Gglobal.c
+++ b/src/x86_64/Gglobal.c
@@ -30,7 +30,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.  */
 #include "dwarf_i.h"
 
 HIDDEN pthread_mutex_t x86_64_lock = PTHREAD_MUTEX_INITIALIZER;
-HIDDEN int tdep_needs_initialization = 1;
+HIDDEN int tdep_init_done;
 
 /* See comments for svr4_dbx_register_map[] in gcc/config/i386/i386.c.  */
 
@@ -82,7 +82,7 @@ tdep_init (void)
 
   lock_acquire (&x86_64_lock, saved_mask);
   {
-    if (!tdep_needs_initialization)
+    if (tdep_init_done)
       /* another thread else beat us to it... */
       goto out;
 
@@ -95,7 +95,7 @@ tdep_init (void)
 #ifndef UNW_REMOTE_ONLY
     x86_64_local_addr_space_init ();
 #endif
-    tdep_needs_initialization = 0;     /* signal that we're initialized... */
+    tdep_init_done = 1;        /* signal that we're initialized... */
   }
  out:
   lock_release (&x86_64_lock, saved_mask);
diff --git a/src/x86_64/Ginit_local.c b/src/x86_64/Ginit_local.c
index 54b4fcd..8c3f060 100644
--- a/src/x86_64/Ginit_local.c
+++ b/src/x86_64/Ginit_local.c
@@ -43,7 +43,7 @@ unw_init_local (unw_cursor_t *cursor, ucontext_t *uc)
 {
   struct cursor *c = (struct cursor *) cursor;
 
-  if (unlikely (tdep_needs_initialization))
+  if (unlikely (!tdep_init_done))
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
diff --git a/src/x86_64/Ginit_remote.c b/src/x86_64/Ginit_remote.c
index 25dd686..1b7123c 100644
--- a/src/x86_64/Ginit_remote.c
+++ b/src/x86_64/Ginit_remote.c
@@ -36,7 +36,7 @@ unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, 
void *as_arg)
 #else /* !UNW_LOCAL_ONLY */
   struct cursor *c = (struct cursor *) cursor;
 
-  if (tdep_needs_initialization)
+  if (!tdep_init_done)
     tdep_init ();
 
   Debug (1, "(cursor=%p)\n", c);
-- 
1.7.9.5