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H.J. Lu ead3d5427a Properly check symbol defined by assignment in linker script

Symbol defined by a linker assignment may have type bfd_link_hash_new
or bfd_link_hash_undefined.  And h->def_regular is always set.
elf_i386_convert_load and elf_x86_64_convert_load should check
h->def_regular as well as bfd_link_hash_undefined and bfd_link_hash_new
to see if a symbol is defined by a linker script.

bfd/

	PR ld/19319
	* elf32-i386.c (elf_i386_convert_load): Check h->def_regular
	instead of bfd_link_hash_new.
	* elf64-x86-64.c (elf_x86_64_convert_load): Likewise.  Skip
	relocation overflow for bfd_link_hash_undefined and
	bfd_link_hash_new if h->def_regular is set.

ld/testsuite/

	PR ld/19319
	* ld-i386/i386.exp: Run pr19319 test.
	* ld-x86-64/x86-64.exp: Likewise.
	* ld-i386/pr19319.dd: New file.
	* ld-i386/pr19319a.S: Likewise.
	* ld-i386/pr19319b.S: Likewise.
	* ld-x86-64/pr19319.dd: Likewise.
	* ld-x86-64/pr19319a.S: Likewise.
	* ld-x86-64/pr19319b.S: Likewise.

2015-12-01 14:45:51 -08:00

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 	.text
 	.globl	foo
 	.type	foo, @function
 foo:
 	movq	__start_my_section@GOTPCREL(%rip), %rax
 	ret
 	.size	foo, .-foo
 	.section	my_section,"aw",@progbits
 	.align 8
 	.long	4660
 	.long	22136