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Fix read_frame_arg for optimized-out entry values.

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gdb/
2014-07-22  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* stack.c (read_frame_arg): Verify value_optimized_out before calling
	value_available_contents_eq.

gdb/testsuite/
2014-07-22  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* gdb.arch/amd64-entry-value-paramref.S: New file.
	* gdb.arch/amd64-entry-value-paramref.cc: New file.
	* gdb.arch/amd64-entry-value-paramref.exp: New file.
	* gdb.arch/amd64-optimout-repeat.S: New file.
	* gdb.arch/amd64-optimout-repeat.c: New file.
	* gdb.arch/amd64-optimout-repeat.exp: New file.

Message-ID: <20140720150727.GA18488@host2.jankratochvil.net>
Message-ID: <20140711153757.GA452@host2.jankratochvil.net>
This commit is contained in:
Jan Kratochvil
2014-07-22 22:09:35 +02:00
parent bddbbedd70
commit e214cf6c2e
9 changed files with 905 additions and 0 deletions
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2
gdb/stack.c
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@ -413,6 +413,8 @@ read_frame_arg (struct symbol *sym, struct frame_info *frame,
/* If the reference addresses match but dereferenced
content does not match print them. */
if (val != val_deref
&& !value_optimized_out (val_deref)
&& !value_optimized_out (entryval_deref)
&& value_available_contents_eq (val_deref, 0,
entryval_deref, 0,
TYPE_LENGTH (type_deref)))