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Fix for problem with default alignment of .comm

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This commit is contained in:
Tom Rix 2001-06-20 13:34:10 +00:00
parent 1fe213d941
commit 1ad63b2f00
5 changed files with 83 additions and 8 deletions
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4
gas/ChangeLog
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@ -1,3 +1,7 @@
2000-06-20 Tom Rix <trix@redhat.com>
* config/tc-ppc.c (ppc_comm): Change default alignment to 4 bytes.
2001-06-18 H.J. Lu <hjl@gnu.org>
* doc/Makefile.am (info): Depend on $(MANS).

13
gas/config/tc-ppc.c
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@ -2340,7 +2340,8 @@ static boolean ppc_stab_symbol;
/* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common
symbols in the .bss segment as though they were local common
symbols, and uses a different smclas. */
symbols, and uses a different smclas. The native Aix 4.3.3 assember
aligns .comm and .lcomm to 4 bytes. */
static void
ppc_comm (lcomm)
@ -2382,7 +2383,7 @@ ppc_comm (lcomm)
{
/* The third argument to .comm is the alignment. */
if (*input_line_pointer != ',')
align = 3;
align = 2;
else
{
++input_line_pointer;
@ -2390,7 +2391,7 @@ ppc_comm (lcomm)
if (align <= 0)
{
as_warn (_("ignoring bad alignment"));
align = 3;
align = 2;
}
}
}
@ -2399,11 +2400,7 @@ ppc_comm (lcomm)
char *lcomm_name;
char lcomm_endc;
if (size <= 1)
align = 0;
else if (size <= 2)
align = 1;
else if (size <= 4)
if (size <= 4)
align = 2;
else
align = 3;

5
gas/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2001-06-18 Tom Rix <trix@redhat.com>
* gas/ppc/aix.exp: New file, aix specific tests.
* gas/ppc/align.s: New file, .comm alignment test.
2001-06-13 Andreas Jaeger <aj@suse.de>
* gas/vtable/vtable.exp (run_list_test): Don't run on sparc64.

63
gas/testsuite/gas/ppc/aix.exp Normal file
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@ -0,0 +1,63 @@
# Copyright (C) 2001 Free Software Foundation, Inc.
# Contributed by Red Hat
# This program 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.
#
#
# Aix on PowerPC tests
#
proc do_align_test {} {
set testname "align.s: Alignment of symbols part 1"
set x0 0
set x1 0
set x2 0
set x3 0
set x4 0
set testname "align.s (part 2)"
if [gas_test_old "align.s" "" "Alignment of symbols part 1"] {
objdump_start_no_subdir "a.out" "-t"
while 1 {
expect {
-re "AUX val 16 prmhsh 0 snhsh 0 typ 3 algn 2 clss 5 stb 0 snstb 0" { set x0 1 }
-re "AUX val 32 prmhsh 0 snhsh 0 typ 3 algn 1 clss 5 stb 0 snstb 0" { set x1 1 }
-re "AUX val 64 prmhsh 0 snhsh 0 typ 3 algn 2 clss 5 stb 0 snstb 0" { set x2 1 }
-re "AUX val 128 prmhsh 0 snhsh 0 typ 3 algn 3 clss 5 stb 0 snstb 0" { set x3 1 }
-re "AUX val 256 prmhsh 0 snhsh 0 typ 3 algn 4 clss 5 stb 0 snstb 0" { set x4 1 }
-re "\[^\n\]*\n" { }
timeout { perror "timeout\n"; break }
eof { break }
}
}
objdump_finish
if [all_ones $x0 $x1 $x2 $x3 $x4] then {
pass $testname
} else {
fail $testname
}
}
}
if [istarget powerpc*-*-aix4.3*] then {
# Make sure that symbols are correctly aligned
do_align_test
}

6
gas/testsuite/gas/ppc/align.s Normal file
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@ -0,0 +1,6 @@
.comm default_align_4,16
.comm align_1,32,1
.comm align_2,64,2
.comm align_4,128,3
.comm align_8,256,4