* target.h (gcc_target): Add asm_out.named_section,

	section_type_flags, have_named_sections.
	* target-def.h (TARGET_ASM_NAMED_SECTION): New.
	(TARGET_HAVE_NAMED_SECTIONS): New.
	(TARGET_SECTION_TYPE_FLAGS): New.

	* Makefile.in (toplev.o): Depend on TARGET_H.
	(varasm.o, dbxout.o): Likewise.
	* c-common.c (decl_attributes): Check targetm.have_named_sections
	instead of ifdef ASM_OUTPUT_SECTION_NAME.
	* dbxout.c (dbxout_function_decl): Likewise.
	(dbxout_function_end): Likewise.
	* toplev.c (compile_file): Likewise.
	* varasm.c (exception_section): Likewise.
	* cp/decl2.c (finish_objects): Likewise.

	* defaults.h (EH_FRAME_SECTION): Remove.
	(EH_FRAME_SECTION_ASM_OP): Remove.
	(EH_FRAME_SECTION_NAME): New.
	(UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
	(UNIQUE_SECTION_P): Remove.
	* dwarf2out.c (SECTION_FORMAT): Remove.
	(ASM_OUTPUT_SECTION): Remove.
	(output_call_frame_info): Use named_section_flags.
	(output_comp_unit, dwarf2out_start_source_file): Likewise.
	(dwarf2out_end_source_file, dwarf2out_define): Likewise.
	(dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
	* varasm.c (in_eh_frame, eh_frame_section): Remove.
	(named_section_flags): New.
	(named_section): Use it and targetm.section_type_flags.
	(resolve_unique_section): New.
	(assemble_start_function): Use it.
	(asm_emit_uninitialised, assemble_variable): Likewise.
	(default_section_type_flags): New.
	(default_no_named_section, default_elf_asm_named_section): New.
	(default_coff_asm_named_section, default_pe_asm_named_section): New.
	* output.h: Update varasm.c decls.
	(SECTION_*): New flags.

	* crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
	(__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.

	* config/elfos.h (UNIQUE_SECTION_P): Remove.
	* config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
	* config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
	* config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
	* config/i386/i386-interix.h, config/i386/win32.h: Likewise.
	* config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
	* config/mips/elf.h, config/mips/elf64.h: Likewise.
	* config/mips/iris6gld.h, config/mips/mips.h: Likewise.
	* config/pa/pa64-hpux.h,

	* config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
	(TARGET_ASM_NAMED_SECTION): New.
	* config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
	* config/alpha/vms.h, config/arm/coff.h: Likewise.
	* config/arm/conix-elf.h, config/arm/elf.h: Likewise.
	* config/arm/linux-elf.h, config/arm/pe.h: Likewise.
	* config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
	* config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
	* config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
	* config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
	* config/i386/sco5.h, config/i386/win32.h: Likewise.
	* config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
	* config/mcore/mcore.h, config/mips/elf.h: Likewise.
	* config/mips/elf64.h, config/mips/iris6.h: Likewise.
	* config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
	* config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
	* config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
	* config/sparc/sysv4.h: Likewise.

	* config/nextstep.h: Error until named sections implemented.

	* config/a29k/a29k.c (a29k_asm_named_section): New.
	* config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
	(vms_section_type_flags, vms_asm_named_section): New.
	* config/arm/arm.c (arm_elf_asm_named_section): New.
	* config/avr/avr.c (asm_output_section_name): Remove.
	* config/avr/avr-protos.h: Update.
	* config/c4x/c4x.c (c4x_asm_named_section): New.
	* config/h8300/h8300.c (h8300_asm_named_section): New.
	* config/i386/i386.c (sco_asm_named_section): New.
	* config/i386/winnt.c (SECTION_PE_SHARED): New.
	(i386_pe_section_type_flags): New.
	(i386_pe_asm_named_section): New.
	* config/i386/i386-protos.h: Update.
	* config/m68k/m68k.c (m68k_coff_asm_named_section): New.
	* config/mcore/mcore.c (mcore_asm_named_section): New.
	* config/mips/mips.c (iris6_asm_named_section): New.
	* config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
	instead of UNIQUE_SECTION_P.
	* config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
	(xcoff_asm_named_section): New.
	* config/sh/sh.c (sh_asm_named_section): New.
	* config/sparc/sparc.c (sparc_elf_asm_named_section): New.

	* config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
	* config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
	(EH_FRAME_SECTION_NAME): New.
	(EXCEPTION_SECTION): New.
	* config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
	(DEBUG_*_SECTION): Remove.
	* config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
	* config/mips/iris6.h (DEBUG_*_SECTION): Remove.
	(EH_FRAME_SECTION_ASM_OP): Remove.

	* doc/tm.texi (UNIQUE_SECTION_P): Remove.
	(ASM_OUTPUT_SECTION_NAME): Remove.
	(TARGET_ASM_NAMED_SECTION): New.
	(TARGET_HAVE_NAMED_SECTIONS): New.
	(TARGET_SECTION_TYPE_FLAGS): New.
	(EH_FRAME_SECTION_ASM_OP): Remove.
	(EH_FRAME_SECTION_NAME): New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44623 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 19 insertions, 25 deletions

diff --git a/gcc/crtstuff.c b/gcc/crtstuff.c
index 9f62009ee58..75e944176c2 100644
--- a/gcc/crtstuff.c
+++ b/gcc/crtstuff.c
@@ -211,7 +211,7 @@ __do_global_dtors_aux (void)
       f ();
     }
 
-#ifdef EH_FRAME_SECTION_ASM_OP
+#ifdef EH_FRAME_SECTION_NAME
 #if defined(CRT_GET_RFIB_TEXT) || defined(CRT_GET_RFIB_DATA)
   /* If we used the new __register_frame_info_bases interface,
      make sure that we deregister from the same place.  */
@@ -240,7 +240,7 @@ fini_dummy (void)
   asm (TEXT_SECTION_ASM_OP);
 }
 
-#ifdef EH_FRAME_SECTION_ASM_OP
+#ifdef EH_FRAME_SECTION_NAME
 /* Stick a call to __register_frame_info into the .init section.  For some
    reason calls with no arguments work more reliably in .init, so stick the
    call in another function.  */
@@ -279,7 +279,7 @@ init_dummy (void)
 #endif
   asm (TEXT_SECTION_ASM_OP);
 }
-#endif /* EH_FRAME_SECTION_ASM_OP */
+#endif /* EH_FRAME_SECTION_NAME */
 
 #else  /* OBJECT_FORMAT_ELF */
 
@@ -350,13 +350,13 @@ __do_global_dtors (void)
   for (p = __DTOR_LIST__ + 1; (f = *p); p++)
     f ();
 
-#ifdef EH_FRAME_SECTION_ASM_OP
+#ifdef EH_FRAME_SECTION_NAME
   if (__deregister_frame_info)
     __deregister_frame_info (__EH_FRAME_BEGIN__);
 #endif
 }
 
-#ifdef EH_FRAME_SECTION_ASM_OP
+#ifdef EH_FRAME_SECTION_NAME
 /* Define a function here to call __register_frame.  crtend.o is linked in
    after libgcc.a, and hence can't call libgcc.a functions directly.  That
    can lead to unresolved function references.  */
@@ -404,16 +404,16 @@ asm (DTORS_SECTION_ASM_OP);	/* cc1 doesn't know that we are switching! */
 STATIC func_ptr __DTOR_LIST__[1] = { (func_ptr) (-1) };
 #endif
 
-#ifdef EH_FRAME_SECTION_ASM_OP
+#ifdef EH_FRAME_SECTION_NAME
 /* Stick a label at the beginning of the frame unwind info so we can register
    and deregister it with the exception handling library code.  */
-
-asm (EH_FRAME_SECTION_ASM_OP);
 #ifdef INIT_SECTION_ASM_OP
 STATIC
 #endif
-char __EH_FRAME_BEGIN__[] = { };
-#endif /* EH_FRAME_SECTION_ASM_OP */
+char __EH_FRAME_BEGIN__[]
+     __attribute__((section(EH_FRAME_SECTION_NAME)))
+     = { };
+#endif /* EH_FRAME_SECTION_NAME */
 
 #endif /* defined(CRT_BEGIN) */
 
@@ -494,14 +494,14 @@ asm (TEXT_SECTION_ASM_OP);
    not an SVR4-style .init section.  __do_global_ctors can be non-static
    in this case because we protect it with -hidden_symbol.  */
 static func_ptr __CTOR_END__[];
-#ifdef EH_FRAME_SECTION_ASM_OP
+#ifdef EH_FRAME_SECTION_NAME
 extern void __frame_dummy (void);
 #endif
 void
 __do_global_ctors (void)
 {
   func_ptr *p;
-#ifdef EH_FRAME_SECTION_ASM_OP
+#ifdef EH_FRAME_SECTION_NAME
   __frame_dummy ();
 #endif
   for (p = __CTOR_END__ - 1; *p != (func_ptr) -1; p--)
@@ -535,13 +535,12 @@ STATIC func_ptr __DTOR_END__[1] __attribute__ ((__unused__))
   = { (func_ptr) 0 };
 #endif
 
-#ifdef EH_FRAME_SECTION_ASM_OP
+#ifdef EH_FRAME_SECTION_NAME
 /* Terminate the frame unwind info section with a 4byte 0 as a sentinel;
    this would be the 'length' field in a real FDE.  */
-
-typedef unsigned int ui32 __attribute__ ((mode (SI)));
-asm (EH_FRAME_SECTION_ASM_OP);
-STATIC ui32 __FRAME_END__[] __attribute__ ((__unused__)) = { 0 };
+STATIC int __FRAME_END__[]
+     __attribute__ ((unused, mode(SI), section(EH_FRAME_SECTION_NAME)))
+     = { 0 };
 #endif /* EH_FRAME_SECTION */
 
 #endif /* defined(CRT_END) */
@@ -601,14 +600,9 @@ __dereg_frame_dtor (void)
 }
 
 /* Terminate the frame section with a final zero.  */
-
-/* Force cc1 to switch to .data section.  */
-static void * force_to_data[1] __attribute__ ((__unused__)) = { };
-
-typedef unsigned int ui32 __attribute__ ((mode (SI)));
-asm (EH_FRAME_SECTION_ASM_OP);
-static ui32 __FRAME_END__[] __attribute__ ((__unused__)) = { 0 };
-
+STATIC int __FRAME_END__[]
+     __attribute__ ((unused, mode(SI), section(EH_FRAME_SECTION_NAME)))
+     = { 0 };
 #endif /* CRT_END */
 
 #endif /* OBJECT_FORMAT_MACHO */