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[libbacktrace] Fix btest-lto for older gcc

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With gcc 4.8.5, btest_lto ends up with a privatized name for the variable with
name 'global':
...
$ nm btest_lto | grep ' d ' | grep global
0000000000617150 d global.2530
...
which makes test5 fail:
...
    test5: unexpected syminfo name got global.2530 expected global
...

Fix this failure by accepting this type of name as a valid name in btest_lto.

2019-02-26  Tom de Vries  <tdevries@suse.de>

	* btest.c (test5): Allow global.* as minimal symbol name for global.

From-SVN: r269217
This commit is contained in:
Tom de Vries 2019-02-26 16:09:40 +00:00 committed by Tom de Vries
parent 4fd3c8aad9
commit 067aef033f
2 changed files with 6 additions and 1 deletions
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4
libbacktrace/ChangeLog
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@ -1,3 +1,7 @@
2019-02-26 Tom de Vries <tdevries@suse.de>
* btest.c (test5): Allow global.* as minimal symbol name for global.
2019-02-26 Tom de Vries <tdevries@suse.de>
* Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.

3
libbacktrace/btest.c
View File

@ -423,7 +423,8 @@ test5 (void)
fprintf (stderr, "test5: NULL syminfo name\n");
symdata.failed = 1;
}
else if (strcmp (symdata.name, "global") != 0)
else if (!(strncmp (symdata.name, "global", 6) == 0
&& (symdata.name[6] == '\0'|| symdata.name[6] == '.')))
{
fprintf (stderr,
"test5: unexpected syminfo name got %s expected %s\n",