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* aoutx.h (adjust_z_magic): Don't merge the start of bss with the

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end of data if they are not contiguous.
This commit is contained in:
David MacKenzie
1994-01-07 21:33:00 +00:00
parent f0d2557ca4
commit 5330499f72
2 changed files with 17 additions and 5 deletions
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3
bfd/ChangeLog
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@ -1,5 +1,8 @@
Fri Jan 7 10:27:27 1994 David J. Mackenzie (djm@rtl.cygnus.com) Fri Jan 7 10:27:27 1994 David J. Mackenzie (djm@rtl.cygnus.com)
* aoutx.h (adjust_z_magic): Don't merge the start of bss with the
end of data if they are not contiguous.
* aoutf1.h (sunos4_aout_backend): Comment the fields' meanings. * aoutf1.h (sunos4_aout_backend): Comment the fields' meanings.
Fri Jan 7 15:40:16 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com) Fri Jan 7 15:40:16 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com)

19
bfd/aoutx.h
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@ -788,10 +788,8 @@ adjust_z_magic (abfd, execp)
if (ztih && (!abdp || (abdp && !abdp->exec_header_not_counted))) if (ztih && (!abdp || (abdp && !abdp->exec_header_not_counted)))
execp->a_text += adata(abfd).exec_bytes_size; execp->a_text += adata(abfd).exec_bytes_size;
N_SET_MAGIC (*execp, ZMAGIC); N_SET_MAGIC (*execp, ZMAGIC);
/* Spec says data section should be rounded up to page boundary. */ /* Spec says data section should be rounded up to page boundary. */
/* If extra space in page is left after data section, fudge data
in the header so that the bss section looks smaller by that
amount. We'll start the bss section there, and lie to the OS. */
obj_datasec(abfd)->_raw_size obj_datasec(abfd)->_raw_size
= align_power (obj_datasec(abfd)->_raw_size, = align_power (obj_datasec(abfd)->_raw_size,
obj_bsssec(abfd)->alignment_power); obj_bsssec(abfd)->alignment_power);
@ -803,8 +801,19 @@ adjust_z_magic (abfd, execp)
if (!obj_bsssec(abfd)->user_set_vma) if (!obj_bsssec(abfd)->user_set_vma)
obj_bsssec(abfd)->vma = (obj_datasec(abfd)->vma obj_bsssec(abfd)->vma = (obj_datasec(abfd)->vma
+ obj_datasec(abfd)->_raw_size); + obj_datasec(abfd)->_raw_size);
execp->a_bss = (data_pad > obj_bsssec(abfd)->_raw_size) ? 0 : /* If the BSS immediately follows the data section and extra space
obj_bsssec(abfd)->_raw_size - data_pad; in the page is left after the data section, fudge data
in the header so that the bss section looks smaller by that
amount. We'll start the bss section there, and lie to the OS.
(Note that a linker script, as well as the above assignment,
could have explicitly set the BSS vma to immediately follow
the data section.) */
if (align_power (obj_bsssec(abfd)->vma, obj_bsssec(abfd)->alignment_power)
== obj_datasec(abfd)->vma + obj_datasec(abfd)->_raw_size)
execp->a_bss = (data_pad > obj_bsssec(abfd)->_raw_size) ? 0 :
obj_bsssec(abfd)->_raw_size - data_pad;
else
execp->a_bss = obj_bsssec(abfd)->_raw_size;
} }
static void static void