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qsort: objcopy.c section sort

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* objcopy.c (compare_section_lma): Correct comment.  Dereference
	section pointer earlier and lose unnecessary const.  Style fixes.
	Add final sort by id.
This commit is contained in:
Alan Modra 2019-10-14 13:54:09 +10:30
parent 47f6ff2f9e
commit 6ce9ba7afc
2 changed files with 19 additions and 9 deletions
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22
binutils/objcopy.c
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@ -4256,20 +4256,20 @@ get_sections (bfd *obfd ATTRIBUTE_UNUSED, asection *osection, void *secppparg)
++(*secppp);
}
/* Sort sections by VMA. This is called via qsort, and is used when
/* Sort sections by LMA. This is called via qsort, and is used when
--gap-fill or --pad-to is used. We force non loadable or empty
sections to the front, where they are easier to ignore. */
static int
compare_section_lma (const void *arg1, const void *arg2)
{
const asection *const *sec1 = (const asection * const *) arg1;
const asection *const *sec2 = (const asection * const *) arg2;
const asection *sec1 = *(const asection **) arg1;
const asection *sec2 = *(const asection **) arg2;
flagword flags1, flags2;
/* Sort non loadable sections to the front. */
flags1 = (*sec1)->flags;
flags2 = (*sec2)->flags;
flags1 = sec1->flags;
flags2 = sec2->flags;
if ((flags1 & SEC_HAS_CONTENTS) == 0
|| (flags1 & SEC_LOAD) == 0)
{
@ -4285,17 +4285,21 @@ compare_section_lma (const void *arg1, const void *arg2)
}
/* Sort sections by LMA. */
if ((*sec1)->lma > (*sec2)->lma)
if (sec1->lma > sec2->lma)
return 1;
else if ((*sec1)->lma < (*sec2)->lma)
if (sec1->lma < sec2->lma)
return -1;
/* Sort sections with the same LMA by size. */
if (bfd_section_size (*sec1) > bfd_section_size (*sec2))
if (bfd_section_size (sec1) > bfd_section_size (sec2))
return 1;
else if (bfd_section_size (*sec1) < bfd_section_size (*sec2))
if (bfd_section_size (sec1) < bfd_section_size (sec2))
return -1;
if (sec1->id > sec2->id)
return 1;
if (sec1->id < sec2->id)
return -1;
return 0;
}