Darwin - remove unnecessary target hook

gcc/

2018-08-15  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c
	 (darwin_function_switched_text_sections): Delete.
	* gcc/config/darwin.h
	 (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): Likewise.

From-SVN: r263555

gcc/ChangeLog

 2018-08-15  Iain Sandoe  <iain@sandoe.co.uk>
 
+	* config/darwin.c
+	 (darwin_function_switched_text_sections): Delete.
+	* gcc/config/darwin.h
+	 (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): Likewise.
+
+2018-08-15  Iain Sandoe  <iain@sandoe.co.uk>
+
 	PR target/81685
 	* config/darwin.h: (DEBUG_STR_OFFSETS_SECTION, DEBUG_LOCLISTS_SECTION,
 	DEBUG_RNGLISTS_SECTION) new macros.  (DEBUG_PUBNAMES_SECTION,

gcc/config/darwin.c

@@ -3711,19 +3711,4 @@ default_function_sections:
 		    : text_section;
 }
 
-/* When a function is partitioned between sections, we need to insert a label
-   at the start of each new chunk - so that it may become a valid 'atom' for
-   eh and debug purposes.  Without this the linker will emit warnings if one 
-   tries to add line location information (since the switched fragment will 
-   be anonymous).  */
-
-void
-darwin_function_switched_text_sections (FILE *fp, tree decl, bool new_is_cold)
-{
-  /* Make sure we pick up all the relevant quotes etc.  */
-  assemble_name_raw (fp, new_is_cold ? "__cold_sect_of_" : "__hot_sect_of_");
-  assemble_name_raw (fp, IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)));
-  fputs (":\n", fp);
-}
-
 #include "gt-darwin.h"

gcc/config/darwin.h

@@ -717,10 +717,6 @@ extern GTY(()) section * darwin_sections[NUM_DARWIN_SECTIONS];
 #undef	TARGET_ASM_FUNCTION_SECTION
 #define TARGET_ASM_FUNCTION_SECTION darwin_function_section
 
-#undef	TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS
-#define TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS \
-	darwin_function_switched_text_sections
-
 #undef	TARGET_ASM_SELECT_RTX_SECTION
 #define TARGET_ASM_SELECT_RTX_SECTION machopic_select_rtx_section
 #undef  TARGET_ASM_UNIQUE_SECTION