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Maciej W. Rozycki fa3b131151 PR ld/26288: Allow the use of `--just-symbols' with ET_EXEC input 
Fix a regression from commit a87e1817a4 ("Have the linker fail if any
attempt to link in an executable is made.") and do not reject ET_EXEC
input supplied with the `--just-symbols' option.  Such use is legitimate
as the file requested is not actually linked and only the symbols are
extracted. Furthermore it is often the most useful application, as
already observed in our documentation for the option, where it allows
"to refer symbolically to absolute locations of memory defined in other
programs."

Provide a set of tests for the use of ET_EXEC with `--just-symbols'.
These are excluded however for SH/PE targets because they complain if a
section's VMA is 0:

ld: zero vma section reloc detected: `.text' #0 f=32795
ld: zero vma section reloc detected: `.data' #1 f=291

and for x86_64/PE targets because they seem to hardwire the VMA:

 100000000 12000000 01000000 00000000 00000000  ................

	ld/
	PR ld/26288
	* ldelf.c (ldelf_after_open): Do not reject ET_EXEC input
	supplied with `--just-symbols'.
	* testsuite/ld-misc/just-symbols.exp: New test script.
	* testsuite/ld-misc/just-symbols-1.dd: New test dump.
	* testsuite/ld-misc/just-symbols.ld: New test linker script.
	* testsuite/ld-misc/just-symbols-0.s: New test source.
	* testsuite/ld-misc/just-symbols-1.s: New test source.

(cherry picked from commit 97c79e2174fbb0dda16850fa5366592e93d31cb9)
 		2020-07-23 20:24:58 +01:00
..
defsym.exp Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
defsym1.d ld testsuite use of notarget 2018-07-10 23:58:29 +09:30
dummy.s
…
foo.s
…
just-symbols-0.s PR ld/26288: Allow the use of `--just-symbols' with ET_EXEC input 2020-07-23 20:24:58 +01:00
just-symbols-1.dd PR ld/26288: Allow the use of `--just-symbols' with ET_EXEC input 2020-07-23 20:24:58 +01:00
just-symbols-1.s PR ld/26288: Allow the use of `--just-symbols' with ET_EXEC input 2020-07-23 20:24:58 +01:00
just-symbols.exp PR ld/26288: Allow the use of `--just-symbols' with ET_EXEC input 2020-07-23 20:24:58 +01:00
just-symbols.ld PR ld/26288: Allow the use of `--just-symbols' with ET_EXEC input 2020-07-23 20:24:58 +01:00
start.s Fix linker tests to work with 16-bit targets. 2020-04-21 15:10:52 +01:00