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Improve the placement of orphan note sections.

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PR 32219
This commit is contained in:
Nick Clifton
2024-09-30 14:41:11 +01:00
parent 4339a3ffc3
commit 7ecf0250f7
14 changed files with 71 additions and 13 deletions
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15
ld/ldelf.c
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@@ -2118,7 +2118,7 @@ ldelf_place_orphan (asection *s, const char *secname, int constraint)
{ ".bss",
SEC_ALLOC,
0, 0, 0, 0 },
{ 0,
{ NULL,
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
0, 0, 0, 0 },
{ ".interp",
@@ -2328,7 +2328,18 @@ ldelf_place_orphan (asection *s, const char *secname, int constraint)
&& (elfinput
? sh_type == SHT_NOTE
: startswith (secname, ".note")))
place = &hold[orphan_interp];
{
/* PR 32219: Check that the .interp section
exists before attaching orphans to it. */
if (lang_output_section_find (hold[orphan_interp].name))
place = &hold[orphan_interp];
/* Next best place: after .rodata. */
else if (lang_output_section_find (hold[orphan_rodata].name))
place = &hold[orphan_rodata];
/* Last attempt: the .text section. */
else
place = &hold[orphan_text];
}
else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS | SEC_THREAD_LOCAL)) == 0)
place = &hold[orphan_bss];
else if ((flags & SEC_SMALL_DATA) != 0)