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authorIain Sandoe <iain@codesourcery.com>2012-01-11 15:24:10 +0000
committerIain Sandoe <iain@codesourcery.com>2012-01-11 15:24:10 +0000
commite5081f2f8f6f63affdfb386aa72184366bcc50a4 (patch)
treefa885b698ac051b0a062fbac90a004f6d3261d32 /bfd
parentbbd561712c8aba429cce3f8fbae663ce79997c11 (diff)
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bfd:
* mach-o.c (bfd_mach_o_build_seg_command): Separate computation of vmsize from filesize. Don't compute offsets or file sizes for zerofill sections.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog6
-rw-r--r--bfd/mach-o.c20
2 files changed, 22 insertions, 4 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 21f137c..55ccf7e 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,11 @@
2012-01-11 Iain Sandoe <idsandoe@googlemail.com>
+ * mach-o.c (bfd_mach_o_build_seg_command): Separate computation of
+ vmsize from filesize. Don't compute offsets or file sizes for
+ zerofill sections.
+
+2012-01-11 Iain Sandoe <idsandoe@googlemail.com>
+
* mach-o.c (bfd_mach_o_build_commands): Make the building of each
command type independent.
diff --git a/bfd/mach-o.c b/bfd/mach-o.c
index 307a8eb..6913b1d 100644
--- a/bfd/mach-o.c
+++ b/bfd/mach-o.c
@@ -2023,6 +2023,7 @@ bfd_mach_o_build_seg_command (const char *segment,
/* TODO: fix this up for non-MH_OBJECT cases. */
seg->vmaddr = 0;
+ seg->vmsize = 0;
seg->fileoff = mdata->filelen;
seg->filesize = 0;
@@ -2048,9 +2049,21 @@ bfd_mach_o_build_seg_command (const char *segment,
bfd_mach_o_append_section_to_segment (seg, sec);
- if (s->size == 0)
- s->offset = 0;
- else
+ s->offset = 0;
+ if (s->size > 0)
+ {
+ seg->vmsize = FILE_ALIGN (seg->vmsize, s->align);
+ seg->vmsize += s->size;
+ }
+
+ /* Zerofill sections have zero file size & offset,
+ and are not written. */
+ if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) == BFD_MACH_O_S_ZEROFILL
+ || (s->flags & BFD_MACH_O_SECTION_TYPE_MASK)
+ == BFD_MACH_O_S_GB_ZEROFILL)
+ continue;
+
+ if (s->size > 0)
{
mdata->filelen = FILE_ALIGN (mdata->filelen, s->align);
s->offset = mdata->filelen;
@@ -2062,7 +2075,6 @@ bfd_mach_o_build_seg_command (const char *segment,
}
seg->filesize = mdata->filelen - seg->fileoff;
- seg->vmsize = seg->filesize;
return TRUE;
}