From: David MacKenzie <djm@cygnus>
Date: Fri, 7 Jan 1994 21:33:00 +0000 (+0000)
Subject: 	* aoutx.h (adjust_z_magic): Don't merge the start of bss with the
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5330499f720d8c00c89d9468dac9bcb34f2ac010;p=binutils-gdb.git

	* aoutx.h (adjust_z_magic): Don't merge the start of bss with the
	end of data if they are not contiguous.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 8816836be1e..100a2bf76de 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,8 @@
 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.
 
 Fri Jan  7 15:40:16 1994  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
diff --git a/bfd/aoutx.h b/bfd/aoutx.h
index 1e2daa27c65..feb2072541e 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