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xtensa: Properly strdup string when building reggroup 

I noticed this while looking at the reggroup intializations.  It seems
for xtensa the "cpN" reggroup->name is getting assigned to the same text
pointer for each iteration of XTENSA_MAX_COPROCESSOR.

Note, internally reggroup_new() does not do any xstrdup().

gdb/ChangeLog:
2017-08-15  Stafford Horne  <shorne@gmail.com>

	* xtensa-tdep.c (xtensa_init_reggroups): Use xstrdup for cpname.
This commit is contained in:
Stafford Horne 2017-08-16 06:12:45 +09:00
parent 206726fbfd
commit 9c3cc99930
2 changed files with 5 additions and 5 deletions
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4
gdb/ChangeLog
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@ -1,3 +1,7 @@
2017-08-15 Stafford Horne <shorne@gmail.com>
* xtensa-tdep.c (xtensa_init_reggroups): Use xstrdup for cpname.
2017-08-15 Sergio Durigan Junior <sergiodj@redhat.com>
PR gdb/21954

6
gdb/xtensa-tdep.c
View File

@ -740,17 +740,13 @@ static void
xtensa_init_reggroups (void)
{
int i;
char cpname[] = "cp0";
xtensa_ar_reggroup = reggroup_new ("ar", USER_REGGROUP);
xtensa_user_reggroup = reggroup_new ("user", USER_REGGROUP);
xtensa_vectra_reggroup = reggroup_new ("vectra", USER_REGGROUP);
for (i = 0; i < XTENSA_MAX_COPROCESSOR; i++)
{
cpname[2] = '0' + i;
xtensa_cp[i] = reggroup_new (cpname, USER_REGGROUP);
}
xtensa_cp[i] = reggroup_new (xstrprintf ("cp%d", i), USER_REGGROUP);
}
static void