Alan Modra 45d92439ae PR29495, rewrite_elf_program_header looping
This patch, in order of significance:
1) Replaces some macros with inline functions.
2) Those inline functions catch and avoid arithmetic overflows when
   comparing addresses.
3) When assigning sections to segments (IS_SECTION_IN_INPUT_SEGMENT)
   use bed->want_p_paddr_set_to_zero to decide whether lma vs p_paddr
   or vma vs p_vaddr should be tested.  When remapping, use the same
   test, and use is_note rather than the more restrictive
   IS_COREFILE_NOTE.

It's important that the later tests not be more restrictive.  If they
are it can lead to the situation triggered by the testcases, where a
section seemingly didn't fit and thus needed a new mapping.  It didn't
fit the new mapping either, and this repeated until memory exhausted.

	PR 29495
	* elf.c (SEGMENT_END, SECTION_SIZE, IS_CONTAINED_BY_VMA): Delete.
	(IS_CONTAINED_BY_LMA, IS_NOTE, IS_COREFILE_NOTE): Delete.
	(segment_size, segment_end, section_size): New inline function.
	(is_contained_by, is_note): Likewise.
	(rewrite_elf_program_header): Use new functions.
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		   README for GNU development tools

This directory contains various GNU compilers, assemblers, linkers, 
debuggers, etc., plus their support routines, definitions, and documentation.

If you are receiving this as part of a GDB release, see the file gdb/README.
If with a binutils release, see binutils/README;  if with a libg++ release,
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It is now possible to automatically configure and build a variety of
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	./configure 
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	CC=gcc ./configure
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A similar example using csh:

	setenv CC gcc
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