linux.h (PREFERRED_DEBUGGING_TYPE): Remove.

	* config/linux.h (PREFERRED_DEBUGGING_TYPE): Remove.
	* config/sparc/linux.h (PREFERRED_DEBUGGING_TYPE): Remove.
	* config/sparc/linux64.h (PREFERRED_DEBUGGING_TYPE): Remove.
	(CC1_SPEC): Don't default to -gstabs+ if -m32.

	* elfos.h (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.

From-SVN: r48149

4 files changed, 5 insertions, 21 deletions

diff --git a/gcc/config/elfos.h b/gcc/config/elfos.h
index d09bdbc..6b93253 100644
--- a/gcc/config/elfos.h
+++ b/gcc/config/elfos.h
@@ -70,11 +70,12 @@ Boston, MA 02111-1307, USA.  */
 #define DWARF2_DEBUGGING_INFO 1
 #endif
 
-/* The GNU tools operate better with stabs.  Since we don't have
-   any native tools to be compatible with, default to stabs.  */
+/* The GNU tools operate better with dwarf2, and it is required by some
+   psABI's.  Since we don't have any native tools to be compatible with,
+   default to dwarf2.  */
 
 #ifndef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
 #endif
 
 /* All SVR4 targets use the ELF object file format.  */
diff --git a/gcc/config/linux.h b/gcc/config/linux.h
index 6e60c00..f4fa716 100644
--- a/gcc/config/linux.h
+++ b/gcc/config/linux.h
@@ -37,10 +37,6 @@ Boston, MA 02111-1307, USA.  */
 #undef ASM_APP_OFF
 #define ASM_APP_OFF "#NO_APP\n"
 
-/* Use stabs instead of DWARF debug format.  */
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-
 #undef MD_EXEC_PREFIX
 #undef MD_STARTFILE_PREFIX
 
diff --git a/gcc/config/sparc/linux.h b/gcc/config/sparc/linux.h
index 5360351..d464133 100644
--- a/gcc/config/sparc/linux.h
+++ b/gcc/config/sparc/linux.h
@@ -32,9 +32,6 @@ Boston, MA 02111-1307, USA.  */
 #define MULTIBYTE_CHARS 1
 #endif
 
-/* Use stabs instead of DWARF debug format.  */
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-
 #undef MD_EXEC_PREFIX
 #undef MD_STARTFILE_PREFIX
 
@@ -195,11 +192,6 @@ Boston, MA 02111-1307, USA.  */
 #undef DBX_REGISTER_NUMBER
 #define DBX_REGISTER_NUMBER(REGNO) (REGNO)
 
-/* We use stabs-in-elf for debugging, because that is what the native
-   toolchain uses.  XXX */
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-
 #undef ASM_OUTPUT_ALIGNED_LOCAL
 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN)		\
 do {									\
diff --git a/gcc/config/sparc/linux64.h b/gcc/config/sparc/linux64.h
index 6138446..31d8204 100644
--- a/gcc/config/sparc/linux64.h
+++ b/gcc/config/sparc/linux64.h
@@ -249,7 +249,6 @@ Boston, MA 02111-1307, USA.  */
 %{m64:-mptr64 -mstack-bias -mlong-double-128 \
   %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=ultrasparc}}}}}}} \
   %{!mno-vis:%{!mcpu=v9:-mvis}}} \
-%{!m64:%{g*:%{!gs*:%{!gd*:%{!gx*:%{!gc*:-gstabs+}}}}}} \
 "
 #else
 #define CC1_SPEC "\
@@ -258,8 +257,7 @@ Boston, MA 02111-1307, USA.  */
 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
 %{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
-  %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=cypress}}}}}}} \
-  %{g*:%{!gs*:%{!gd*:%{!gx*:%{!gc*:-gstabs+}}}}}} \
+  %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=cypress}}}}}}}} \
 %{!m32:%{!mcpu*:-mcpu=ultrasparc}} \
 %{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}} \
 "
@@ -315,9 +313,6 @@ Boston, MA 02111-1307, USA.  */
 #define DWARF2_DEBUGGING_INFO
 #define DBX_DEBUGGING_INFO
 
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
-
 #undef ASM_OUTPUT_ALIGNED_LOCAL
 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN)		\
 do {									\