Non-contiguous memory regions support: Avoid calls to abort

Non-contiguous memory regions support: Avoid calls to abort

Use '%F' format when printing error messages to exit cleanly rather
than by calling abort().

2020-03-18  Christophe Lyon  <christophe.lyon@linaro.org>

	bfd/
	* elf32-arm.c (arm_build_one_stub): Emit a fatal error message
	instead of calling abort.
	* elf32-csky.c (csky_build_one_stub): Likewise.
	* elf32-hppa.c (hppa_build_one_stub): Likewise.
	* elf32-m68hc11.c (m68hc11_elf_build_one_stub): Likewise.
	* elf32-m68hc12.c (m68hc12_elf_build_one_stub): Likewise.
	* elf32-metag.c (metag_build_one_stub): Likewise.
	* elf32-nios2.c (nios2_build_one_stub): Likewise.
	* elf64-ppc.c (ppc_build_one_stub): Likewise.
	(ppc_size_one_stub): Likewise.
	* elfnn-aarch64.c (aarch64_build_one_stub): Likewise.

	ld/
	* emultempl/xtensaelf.em: Emit a fatal error message
	instead of calling abort.
	* ldlang.c: Likewise.

Change-Id: I60deaeeee59d4e7cab06b8a40a3e51837c43a8ab