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Prevent the ASCII linker script directive from generating huge amounts of padding if the size expression is not a constant.

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PR 30193 * ldgram.y (ASCII): Fail if the size is not a constant.
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Nick Clifton
2023-03-03 13:56:36 +00:00
parent 6a208145d2
commit adbe951fc9
2 changed files with 9 additions and 1 deletions
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5
ld/ChangeLog
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@@ -1,3 +1,8 @@
2023-03-03 Nick Clifton <nickc@redhat.com>
PR 30193
* ldgram.y (ASCII): Fail if the size is not a constant.
2023-02-23 Fangrui Song <i@maskray.me>
* emultempl/riscvelf.em: Add option parsing.

5
ld/ldgram.y
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@@ -672,7 +672,10 @@ statement:
{
/* 'value' is a memory leak, do we care? */
etree_type *value = $3;
lang_add_string (value->value.value, $5);
if (value->type.node_code == INT)
lang_add_string (value->value.value, $5);
else
einfo (_("%X%P:%pS: ASCII expression must be an integer\n"), NULL);
}
| ASCIZ NAME
{