* ldgram.y (exp): Add two operand ALIGN.

	* ldexp.c (fold_binary): Add ALIGN_K case.
	* ld.texinfo (ALIGN): Document two operand version.
	* ld-scripts/align.{s,t,exp}: New.

diff --git a/binutils/testsuite/ChangeLog b/binutils/testsuite/ChangeLog
index d433e8cf367e2af213e86f0cdb6104f9b9d9402f..17166e4276aca36495d7a6a335a8dc319a0e570f 100644 (file)
--- a/binutils/testsuite/ChangeLog
+++ b/binutils/testsuite/ChangeLog
@@ -1,7 +1,7 @@
 2004-02-20  Nathan Sidwell  <nathan@codesourcery.com>
 
        * binutils-all/objcopy.exp: Reorder arguments for POSIXLY_CORRECT
-       systems.p
+       systems.
 
 For older changes see ChangeLog-9303
 \f

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 3b3516ec231710edaf3abdbc9c728e7e6adafef7..12716fba5f5bedd7dd2b673275e9b827e3b970b4 100644 (file)
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,9 @@
+2004-02-20  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * ldgram.y (exp): Add two operand ALIGN.
+       * ldexp.c (fold_binary): Add ALIGN_K case.
+       * ld.texinfo (ALIGN): Document two operand version.
+
 2004-02-19  Nathan Sidwell  <nathan@codesourcery.com>
 
        * ldlang.c (map_input_to_output_sections): Initialize sections

diff --git a/ld/ld.texinfo b/ld/ld.texinfo
index ed7b3d1f6aab08562dbdce49784406fd8c7b54a9..55f861e2e2549a187b97dddb39857ff32418644e 100644 (file)
--- a/ld/ld.texinfo
+++ b/ld/ld.texinfo
@@ -4383,17 +4383,25 @@ SECTIONS @{ @dots{}
 @end group
 @end smallexample
 
-@item ALIGN(@var{exp})
-@kindex ALIGN(@var{exp})
+@item ALIGN(@var{align})
+@itemx ALIGN(@var{exp},@var{align})
+@kindex ALIGN(@var{align})
+@kindex ALIGN(@var{exp},@var{align})
 @cindex round up location counter
 @cindex align location counter
-Return the location counter (@code{.}) aligned to the next @var{exp}
-boundary.
-@code{ALIGN} doesn't change the value of the location counter---it just
-does arithmetic on it.  Here is an example which aligns the output
-@code{.data} section to the next @code{0x2000} byte boundary after the
-preceding section and sets a variable within the section to the next
-@code{0x8000} boundary after the input sections:
+@cindex round up expression
+@cindex align expression
+Return the location counter (@code{.}) or arbitrary expression aligned
+to the next @var{align} boundary.  The single operand @code{ALIGN}
+doesn't change the value of the location counter---it just does
+arithmetic on it.  The two operand @code{ALIGN} allows an arbitrary
+expression to be aligned upwards (@code{ALIGN(@var{align})} is
+equivalent to @code{ALIGN(., @var{align})}).
+
+Here is an example which aligns the output @code{.data} section to the
+next @code{0x2000} byte boundary after the preceding section and sets a
+variable within the section to the next @code{0x8000} boundary after the
+input sections:
 @smallexample
 @group
 SECTIONS @{ @dots{}

diff --git a/ld/ldexp.c b/ld/ldexp.c
index 2b973c3402ce14a27409c188e251265de19147d2..23a23924fecd6a44bfd8e64470f5e0eabc383d26 100644 (file)
--- a/ld/ldexp.c
+++ b/ld/ldexp.c
@@ -394,6 +394,10 @@ fold_binary (etree_type *tree,
                result = other;
              break;
 
+           case ALIGN_K:
+             result.value = align_n (result.value, other.value);
+             break;
+             
            case DATA_SEGMENT_ALIGN:
              if (allocation_done != lang_first_phase_enum
                  && current_section == abs_output_section

diff --git a/ld/ldgram.y b/ld/ldgram.y
index e885f7d55fb7df8a9cec9fea54d3683500491e66..6c46c854473d63618c9416fbe0c32913f8558f1d 100644 (file)
--- a/ld/ldgram.y
+++ b/ld/ldgram.y
@@ -804,6 +804,8 @@ exp :
                        { $$ = exp_unop(ABSOLUTE, $3); }
        |       ALIGN_K '(' exp ')'
                        { $$ = exp_unop(ALIGN_K,$3); }
+       |       ALIGN_K '(' exp ',' exp ')'
+                       { $$ = exp_binop(ALIGN_K,$3,$5); }
        |       DATA_SEGMENT_ALIGN '(' exp ',' exp ')'
                        { $$ = exp_binop (DATA_SEGMENT_ALIGN, $3, $5); }
        |       DATA_SEGMENT_END '(' exp ')'

diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 23e41a95265713cf5272f9420e7d24a45261d318..b103d5bca5941fc3fa035cb4b18cdcdfa9153ab5 100644 (file)
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2004-02-20  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * ld-scripts/align.{s,t,exp}: New.
+
 2004-02-19  Nathan Sidwell  <nathan@codesourcery.com>
 
        * ld-scripts/data.{s,t,d,exp}: New.

diff --git a/ld/testsuite/ld-scripts/align.exp b/ld/testsuite/ld-scripts/align.exp
new file mode 100644 (file)
index 0000000..3959e6d
--- /dev/null
+++ b/ld/testsuite/ld-scripts/align.exp
@@ -0,0 +1,31 @@
+# Test ALIGN in a linker script.
+# By Nathan Sidwell, CodeSourcery LLC
+#   Copyright 2004
+#   Free Software Foundation, Inc.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+set testname "ALIGN"
+
+if ![ld_assemble $as $srcdir/$subdir/align.s tmpdir/align.o] {
+    unresolved $testname
+    return
+}
+
+if ![ld_simple_link $ld tmpdir/align "-T $srcdir/$subdir/align.t tmpdir/align.o"] {
+    fail $testname
+} else {
+    pass $testname
+}

diff --git a/ld/testsuite/ld-scripts/align.s b/ld/testsuite/ld-scripts/align.s
new file mode 100644 (file)
index 0000000..c9bad23
--- /dev/null
+++ b/ld/testsuite/ld-scripts/align.s
@@ -0,0 +1,2 @@
+       .text
+       .long 0

diff --git a/ld/testsuite/ld-scripts/align.t b/ld/testsuite/ld-scripts/align.t
new file mode 100644 (file)
index 0000000..49d6053
--- /dev/null
+++ b/ld/testsuite/ld-scripts/align.t
@@ -0,0 +1,8 @@
+SECTIONS
+{
+  .text : {*(.text)}
+  .data ALIGN(0x40) : AT (ALIGN (LOADADDR (.text) + SIZEOF (.text), 0x80))
+    {}
+  ASSERT (LOADADDR(.data) == 0x80, "dyadic ALIGN broken")
+  ASSERT (ADDR(.data) == 0x40, "monadic ALIGN broken")
+}