diff options
| author | David MacKenzie <djm@cygnus> | 1994-01-07 21:33:00 +0000 |
|---|---|---|
| committer | David MacKenzie <djm@cygnus> | 1994-01-07 21:33:00 +0000 |
| commit | 5330499f720d8c00c89d9468dac9bcb34f2ac010 (patch) | |
| tree | 8cfcb912bf135903775375fab736284a0befd0a8 /bfd/aoutx.h | |
| parent | f0d2557ca41c45e3e39b5a1e9f92877f1f882005 (diff) | |
| download | gdb-5330499f720d8c00c89d9468dac9bcb34f2ac010.zip gdb-5330499f720d8c00c89d9468dac9bcb34f2ac010.tar.gz gdb-5330499f720d8c00c89d9468dac9bcb34f2ac010.tar.bz2 | |
* aoutx.h (adjust_z_magic): Don't merge the start of bss with the
end of data if they are not contiguous.
Diffstat (limited to 'bfd/aoutx.h')
| -rw-r--r-- | bfd/aoutx.h | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/bfd/aoutx.h b/bfd/aoutx.h index 1e2daa2..feb2072 100644 --- a/bfd/aoutx.h +++ b/bfd/aoutx.h @@ -788,10 +788,8 @@ adjust_z_magic (abfd, execp) if (ztih && (!abdp || (abdp && !abdp->exec_header_not_counted))) execp->a_text += adata(abfd).exec_bytes_size; N_SET_MAGIC (*execp, ZMAGIC); + /* 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 = align_power (obj_datasec(abfd)->_raw_size, obj_bsssec(abfd)->alignment_power); @@ -803,8 +801,19 @@ adjust_z_magic (abfd, execp) if (!obj_bsssec(abfd)->user_set_vma) obj_bsssec(abfd)->vma = (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; + /* If the BSS immediately follows the data section and extra space + 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 |