* target.h (struct gcc_target): Add asm_out.exception_section,

        asm_out.eh_frame_section.
        * target-def.h (TARGET_ASM_EXCEPTION_SECTION): New macro.
        (TARGET_ASM_EH_FRAME_SECTION): New.
        (TARGET_INITIALIZER): Update.
        * output.h (default_exception_section): Declare.
        (default_eh_frame_section): Declare.
        * dwarf2out.c: Include target.h.
        (output_call_frame_info): Call target hook for eh frames.
        (default_eh_frame_section): New function.
        * except.c: Include target.h.
        (output_function_exception_table): Call target hook for exception
        section.
        * varasm.c (default_exception_section): Rename from
        exception_section, remove EXCEPTION_SECTION macro.

        * config/darwin.h (darwin_eh_frame_section): New function.
        (EXCEPTION_SECTION): Remove.
        (TARGET_ASM_EXCEPTION_SECTION): Define.
        * config/nextstep.h (EH_FRAME_SECTION_ASM_OP): Remove.
        (nextstep_exception_section): New function.
        (nextstep_eh_frame_section): New function.
        (TARGET_ASM_EXCEPTION_SECTION): Define.
        (TARGET_ASM_EH_FRAME_SECTION): Define.

        * config/pa/som.h (EXCEPTION_SECTION): Remove.
        (TARGET_ASM_EXCEPTION_SECTION): Define.
        * config/rs6000/sysv4.h, config/rs6000/xcoff.h
        (EXCEPTION_SECTION): Remove.
        (TARGET_ASM_EXCEPTION_SECTION): Define.
        * config/stormy16/stormy16.h: Remove comments referencing
        EXCEPTION_SECTION and EH_FRAME_SECTION_ASM_OP.

        * doc/tm.texi: Document TARGET_ASM_EXCEPTION_SECTION and
        TARGET_ASM_EH_FRAME_SECTION.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46409 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 15 insertions, 1 deletions

diff --git a/gcc/target-def.h b/gcc/target-def.h
index 4b298bc5288..59b5e8de0c8 100644
--- a/gcc/target-def.h
+++ b/gcc/target-def.h
@@ -19,12 +19,16 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  You are forbidden to forbid anyone else to use, share and improve
  what you give them.   Help stamp out software-hoarding!  */
 
-/* See target.h for a desciption of what this file contains and how to
+/* See target.h for a description of what this file contains and how to
    use it.
 
    We want to have non-NULL default definitions of all hook functions,
    even if they do nothing.  */
 
+/* Note that if one of these macros must be defined in an OS .h file
+   rather than the .c file, then we need to wrap the default
+   definition in a #ifndef, since files include tm.h before this one.  */
+
 /* Assembler output.  */
 #define TARGET_ASM_OPEN_PAREN "("
 #define TARGET_ASM_CLOSE_PAREN ")"
@@ -72,6 +76,14 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #define TARGET_HAVE_NAMED_SECTIONS false
 #endif
 
+#ifndef TARGET_ASM_EXCEPTION_SECTION
+#define TARGET_ASM_EXCEPTION_SECTION default_exception_section
+#endif
+
+#ifndef TARGET_ASM_EH_FRAME_SECTION
+#define TARGET_ASM_EH_FRAME_SECTION default_eh_frame_section
+#endif
+
 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,			\
 			TARGET_ASM_CLOSE_PAREN,			\
 			TARGET_ASM_FUNCTION_PROLOGUE,		\
@@ -79,6 +91,8 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 			TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,	\
 			TARGET_ASM_FUNCTION_EPILOGUE,		\
 			TARGET_ASM_NAMED_SECTION,		\
+			TARGET_ASM_EXCEPTION_SECTION,		\
+			TARGET_ASM_EH_FRAME_SECTION,		\
 			TARGET_ASM_CONSTRUCTOR,			\
 			TARGET_ASM_DESTRUCTOR}