gcc
	* dwarf2.h: Remove.
	* Makefile.in (DWARF2_H): New variable.
	(except.o): Use it.
	(dwarf2out.o): Likewise.
	(dwarf2asm.o): Likewise.
	* config/i386/t-i386: Use DWARF2_H.
	* except.c: Include elf/dwarf2.h.
	* unwind-dw2.c: Include elf/dwarf2.h.
	* dwarf2out.c: Include elf/dwarf2.h.
	(dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
	<dtprel>: New field.
	(dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
	(size_of_loc_descr): Likewise.
	(output_loc_operands_raw): Likewise.
	(output_loc_operands): Handle new dtprel field.
	(loc_checksum): Update.
	(loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
	* unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
	* unwind-dw2-fde.c: Include elf/dwarf2.h.
	* dwarf2asm.c: Include elf/dwarf2.h.
	* unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
	* config/mmix/mmix.c: Include elf/dwarf2.h.
	* config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
	* config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
	* config/sh/sh.c: Include elf/dwarf2.h.
	* config/i386/i386.c: Include elf/dwarf2.h.
gcc/ada
	* raise-gcc.c: Include elf/dwarf2.h.
include
	* elf/dwarf2.h: New file.  Merged with gdb.

From-SVN: r149070