Add Xtensa port

12 files changed, 281 insertions, 1 deletions

diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 145c3c0..d3cf2ca 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,18 @@
+2003-04-01  Bob Wilson  <bob.wilson@acm.org>
+
+        * ld-elf/merge.d: xfail xtensa-*-*.
+        * ld-scripts/crossref.exp: Add -mtext-section-literals to CFLAGS
+        for Xtensa targets.
+        * ld-srec/srec.exp: Add -no-relax flag for Xtensa targets.
+        * ld-xtensa/coalesce1.s: New file.
+        * ld-xtensa/coalesce2.s: Likewise.
+        * ld-xtensa/coalesce.exp: Likewise.
+        * ld-xtensa/coalesce.t: Likewise.
+        * ld-xtensa/lcall1.s: Likewise.
+        * ld-xtensa/lcall2.s: Likewise.
+        * ld-xtensa/lcall.exp: Likewise.
+        * ld-xtensa/lcall.t: Likewise.
+
 2003-03-25  Alexandre Oliva  <aoliva@redhat.com>
 
 	* ld-mips-elf/mips-elf.exp: Added...
diff --git a/ld/testsuite/ld-elf/merge.d b/ld/testsuite/ld-elf/merge.d
index cbefcaf..6331927 100644
--- a/ld/testsuite/ld-elf/merge.d
+++ b/ld/testsuite/ld-elf/merge.d
@@ -3,7 +3,7 @@
 #objdump: -s
 #xfail: "arc-*-*" "avr-*-*" "cris-*-*" "dlx-*-*" "fr30-*-*" "frv-*-*"
 #xfail: "hppa*-*-*" "h8300-*-*" "i960-*-*" "ip2k-*-*" "m32r-*-*" "mcore-*-*"
-#xfail: "mn10*-*-*" "openrisc-*-*" "pj-*-*" "sparc*-*-*"
+#xfail: "mn10*-*-*" "openrisc-*-*" "pj-*-*" "sparc*-*-*" "xtensa-*-*"
 
 .*:     file format .*elf.*
 
diff --git a/ld/testsuite/ld-scripts/crossref.exp b/ld/testsuite/ld-scripts/crossref.exp
index fbc3151..4fd81b3 100644
--- a/ld/testsuite/ld-scripts/crossref.exp
+++ b/ld/testsuite/ld-scripts/crossref.exp
@@ -26,6 +26,13 @@ if { [which $CC] == 0 } {
     return
 }
 
+# Xtensa targets currently default to putting literal values in a separate
+# section and that requires linker script support, so put literals in text.
+global CFLAGS
+if [istarget xtensa*-*-*] {
+    set CFLAGS "$CFLAGS -mtext-section-literals"
+}
+
 if { ![ld_compile $CC "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \
      || ![ld_compile $CC "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } {
     unresolved $test1
diff --git a/ld/testsuite/ld-srec/srec.exp b/ld/testsuite/ld-srec/srec.exp
index a965c22..979cfda 100644
--- a/ld/testsuite/ld-srec/srec.exp
+++ b/ld/testsuite/ld-srec/srec.exp
@@ -288,6 +288,11 @@ proc run_srec_test { test objs } {
     if [istarget v850*-*-elf] {
 	set objs "$objs -L ../gcc -lgcc"
     }
+
+    # Xtensa ELF targets relax by default; S-Record linker does not
+    if [istarget xtensa*-*-*] {
+	set flags "$flags -no-relax"
+    }
     
     if { ![ld_simple_link $ld tmpdir/sr1 "$flags $objs"] \
 	 || ![ld_simple_link $ld tmpdir/sr2.sr "$flags --oformat srec $objs"] } {
diff --git a/ld/testsuite/ld-xtensa/coalesce.exp b/ld/testsuite/ld-xtensa/coalesce.exp
new file mode 100644
index 0000000..ef51d6f
--- /dev/null
+++ b/ld/testsuite/ld-xtensa/coalesce.exp
@@ -0,0 +1,93 @@
+# Test literal coaslescing for Xtensa targets.
+# By David Heine, Tensilica, Inc.
+#   Copyright 2002, 2003
+#   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 "COALESCE"
+
+set OBJDUMPFLAGS "-dr"
+
+#
+# default_ld_objdump
+#	run objdump on a file
+#
+proc default_ld_objdump { objdump object outputfile } {
+    global OBJDUMPFLAGS
+    global objdump_output
+    global host_triplet
+
+    if {[which $objdump] == 0} then {
+	perror "$objdump does not exist"
+	return 0
+    }
+
+    if ![info exists OBJDUMPFLAGS] { set OBJDUMPFLAGS "" }
+
+    verbose -log "$objdump $OBJDUMPFLAGS $object >$outputfile"
+
+    catch "exec $objdump $OBJDUMPFLAGS $object >$outputfile" exec_output
+    set exec_output [prune_warnings $exec_output]
+    if [string match "" $exec_output] then {
+	return 1
+    } else {
+	verbose -log "$exec_output"
+	perror "$object: objdump failed"
+	return 0
+    }
+}
+
+
+if ![ld_assemble $as $srcdir/$subdir/coalesce1.s tmpdir/coalesce1.o] {
+    unresolved $testname
+    return
+}
+if ![ld_assemble $as $srcdir/$subdir/coalesce2.s tmpdir/coalesce2.o] {
+    unresolved $testname
+    return
+}
+
+set object "tmpdir/coalesce"
+set outputfile "$object.txt"
+
+if ![ld_simple_link $ld $object "-T $srcdir/$subdir/coalesce.t tmpdir/coalesce1.o tmpdir/coalesce2.o"] {
+    verbose -log "failure in ld"
+    fail $testname
+    return
+} 
+
+if ![default_ld_objdump $objdump $object $outputfile ] {
+    verbose -log "failure in objdump"
+    fail $testname
+    return
+} 
+
+set file [open $outputfile r]
+set found 0
+
+while { [gets $file line] != -1 } {
+    #	verbose "$line" 2
+    if [regexp "^0000000c <main>:" $line] {
+	set found 1
+    }
+}
+close $file
+if  $found  {
+   pass $testname
+} else {
+   fail $testname
+}
+
diff --git a/ld/testsuite/ld-xtensa/coalesce.t b/ld/testsuite/ld-xtensa/coalesce.t
new file mode 100644
index 0000000..7bff69f
--- /dev/null
+++ b/ld/testsuite/ld-xtensa/coalesce.t
@@ -0,0 +1,6 @@
+SECTIONS
+{
+  .text 0x00000000 : { 
+    *(.literal .text)
+  }
+}
diff --git a/ld/testsuite/ld-xtensa/coalesce1.s b/ld/testsuite/ld-xtensa/coalesce1.s
new file mode 100644
index 0000000..4374463
--- /dev/null
+++ b/ld/testsuite/ld-xtensa/coalesce1.s
@@ -0,0 +1,15 @@
+	.global foo
+	.data
+	.global g_name
+	.align 4
+g_name:
+	.word 0xffffffff
+	.text
+	.global main
+	.align 4
+main:
+	entry a5,16
+	movi a5,20000
+	movi a6,g_name
+	call8 foo
+	ret
diff --git a/ld/testsuite/ld-xtensa/coalesce2.s b/ld/testsuite/ld-xtensa/coalesce2.s
new file mode 100644
index 0000000..962915c
--- /dev/null
+++ b/ld/testsuite/ld-xtensa/coalesce2.s
@@ -0,0 +1,9 @@
+	.text
+	.global foo
+	.global g_name
+foo:
+	entry a5,16
+	movi a5,20000
+	movi a6,g_name
+	movi a7,50000
+	ret
diff --git a/ld/testsuite/ld-xtensa/lcall.exp b/ld/testsuite/ld-xtensa/lcall.exp
new file mode 100644
index 0000000..9879a55
--- /dev/null
+++ b/ld/testsuite/ld-xtensa/lcall.exp
@@ -0,0 +1,107 @@
+# Test Xtensa longcall optimization.
+# By David Heine, Tensilica, Inc.
+#   Copyright 2002, 2003
+#   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 "LCALL"
+
+set OBJDUMPFLAGS "-dr"
+
+#
+# default_ld_objdump
+#	run objdump on a file
+#
+proc default_ld_objdump { objdump object outputfile } {
+    global OBJDUMPFLAGS
+    global objdump_output
+    global host_triplet
+
+    if {[which $objdump] == 0} then {
+	perror "$objdump does not exist"
+	return 0
+    }
+
+    if ![info exists OBJDUMPFLAGS] { set OBJDUMPFLAGS "" }
+
+    verbose -log "$objdump $OBJDUMPFLAGS $object >$outputfile"
+
+    catch "exec $objdump $OBJDUMPFLAGS $object >$outputfile" exec_output
+    set exec_output [prune_warnings $exec_output]
+    if [string match "" $exec_output] then {
+	return 1
+    } else {
+	verbose -log "$exec_output"
+	perror "$object: objdump failed"
+	return 0
+    }
+}
+
+
+if ![ld_assemble $as $srcdir/$subdir/lcall1.s tmpdir/lcall1.o] {
+    unresolved $testname
+    return
+}
+if ![ld_assemble $as $srcdir/$subdir/lcall2.s tmpdir/lcall2.o] {
+    unresolved $testname
+    return
+}
+
+set object "tmpdir/lcall"
+set outputfile "$object.txt"
+
+if ![ld_simple_link $ld $object "-T $srcdir/$subdir/lcall.t tmpdir/lcall1.o tmpdir/lcall2.o"] {
+    verbose -log "failure in ld"
+    fail $testname
+    return
+} 
+
+if ![default_ld_objdump $objdump $object $outputfile ] {
+    verbose -log "failure in objdump"
+    fail $testname
+    return
+} 
+
+set file [open $outputfile r]
+while { [gets $file line] != -1 } {
+    #	verbose "$line" 2
+    if [regexp "l32r" $line] {
+	verbose -log "Found an l32r in the linked object"
+	verbose -log "$line"
+	fail $testname
+    }
+}
+close $file
+pass $testname
+
+
+set testname "LCALL2"
+set file [open $outputfile r]
+set found 0
+
+while { [gets $file line] != -1 } {
+    #	verbose "$line" 2
+    if [regexp "^00000004 <label1>:" $line] {
+	set found 1
+    }
+}
+close $file
+if  $found  {
+   pass $testname
+} else {
+   fail $testname
+}
+
diff --git a/ld/testsuite/ld-xtensa/lcall.t b/ld/testsuite/ld-xtensa/lcall.t
new file mode 100644
index 0000000..7bff69f
--- /dev/null
+++ b/ld/testsuite/ld-xtensa/lcall.t
@@ -0,0 +1,6 @@
+SECTIONS
+{
+  .text 0x00000000 : { 
+    *(.literal .text)
+  }
+}
diff --git a/ld/testsuite/ld-xtensa/lcall1.s b/ld/testsuite/ld-xtensa/lcall1.s
new file mode 100644
index 0000000..1056c6a
--- /dev/null
+++ b/ld/testsuite/ld-xtensa/lcall1.s
@@ -0,0 +1,12 @@
+.global foo
+.text
+	.align 4
+label1:
+	.begin literal
+	.word 0xffffffff
+	.end literal
+	entry a5,16
+.begin longcalls
+	call4  foo
+.end longcalls
+	nop
diff --git a/ld/testsuite/ld-xtensa/lcall2.s b/ld/testsuite/ld-xtensa/lcall2.s
new file mode 100644
index 0000000..f4784f0
--- /dev/null
+++ b/ld/testsuite/ld-xtensa/lcall2.s
@@ -0,0 +1,5 @@
+.global foo
+foo:
+	entry a5,16
+	nop
+	ret