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Use new to allocate mapped_index

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This changes struct mapped_index to be allocated with new.  This
simplifies the creation a bit (see dwarf2_read_index) and also removes
a somewhat ugly explicit destructor call from ~dwarf2_per_objfile.

Tested by the buildbot.

gdb/ChangeLog
2018-05-18  Tom Tromey  <tom@tromey.com>

	* dwarf2read.c (dwarf2_per_objfile): Update.
	(struct mapped_index): Add initializers.
	(dwarf2_read_index): Use new.
	(dw2_symtab_iter_init): Update.
	* dwarf2read.h (struct dwarf2_per_objfile) <index_table>: Now a
	unique_ptr.
This commit is contained in:
Tom Tromey
2018-05-17 16:43:53 -06:00
parent 6487709f3f
commit 3063847f29
3 changed files with 18 additions and 16 deletions
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2
gdb/dwarf2read.h
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@ -209,7 +209,7 @@ public:
bool using_index = false;
/* The mapped index, or NULL if .gdb_index is missing or not being used. */
mapped_index *index_table = NULL;
std::unique_ptr<mapped_index> index_table;
/* The mapped index, or NULL if .debug_names is missing or not being used. */
std::unique_ptr<mapped_debug_names> debug_names_table;