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* stabs.c (s_stab_generic): Don't corrupt the notes obstack by

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blindly freeing string if it isn't at the top of the obstack.
This commit is contained in:
DJ Delorie 2001-03-15 19:30:32 +00:00
parent 0015fd9aa4
commit d68d457018
2 changed files with 17 additions and 4 deletions
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5
gas/ChangeLog
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@ -1,3 +1,8 @@
2001-03-15 DJ Delorie <dj@redhat.com>
* stabs.c (s_stab_generic): Don't corrupt the notes obstack by
blindly freeing string if it isn't at the top of the obstack.
2001-03-13 Alan Modra <alan@linuxcare.com.au>
* config/tc-i386.c (RELOC_ENUM): Define. Use throughout file.

12
gas/stabs.c
View File

@ -185,7 +185,7 @@ s_stab_generic (what, stab_secname, stabstr_secname)
char *stabstr_secname;
{
long longint;
char *string;
char *string, *saved_string_obstack_end;
int type;
int other;
int desc;
@ -199,12 +199,19 @@ s_stab_generic (what, stab_secname, stabstr_secname)
'd' indicating which type of .stab this is. */
if (what != 's')
{
string = "";
saved_string_obstack_end = 0;
}
else
{
int length;
string = demand_copy_C_string (&length);
/* FIXME: We should probably find some other temporary storage
for string, rather than leaking memory if someone else
happens to use the notes obstack. */
saved_string_obstack_end = notes.next_free;
SKIP_WHITESPACE ();
if (*input_line_pointer == ',')
input_line_pointer++;
@ -335,7 +342,8 @@ s_stab_generic (what, stab_secname, stabstr_secname)
stroff = get_stab_string_offset (string, stabstr_secname);
if (what == 's')
{
/* release the string */
/* Release the string, if nobody else has used the obstack. */
if (saved_string_obstack_end == notes.next_free)
obstack_free (&notes, string);
}