bfd:

2007-08-28  Mark Shinwell  <shinwell@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

	* elf32-arm.c (elf32_arm_compare_mapping): Compare first on vma,
	then on type.

binutils/testsuite:
2007-08-28  Mark Shinwell  <shinwell@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

	* binutils-all/ar.exp (long_filenames): Delete temporary files on
	the host.
	* binutils-all/arm/objdump.exp: Only check "which $OBJDUMP" if
	host is local.
	* binutils-all/objcopy.exp: Use ${srecfile} to get the name of the
	srec file to be passed to binutils_run.
	(objcopy_test_readelf): Use remote_exec.
	* binutils-all/readelf.exp (readelf_find_size): Use remote_exec.
	(readelf_test): Likewise.
	(readelf_wi_test): Likewise.
	* lib/utils-lib.exp (run_dump_test): Only check "which $binary" if
	host is local.  Use remote_exec.  Use $tempfile not
	tmpdir/bintest.o.

gas:
2007-08-28  Mark Shinwell  <shinwell@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

	* as.c (main): Flush stderr before printing listings to ensure
	consistent output order across platforms.

gas/testsuite:
2007-08-28  Mark Shinwell  <shinwell@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

	* lib/gas-defs.exp (gas_version): Use remote_* functions instead
	of exec.
	(gas_host_run): New.
	(gas_run): Use gas_host_run.
	(gas_start): Likewise.
	(run_dump_test): Likewise.
	(objdump): Use gas_host_run.
	(objdump_start_no_subdir): Likewise.
	* lib/gas-dg.exp (gas-dg-test): Use "remote_file host delete".
	* lib/run: Remove.
	* gas/macros/macros.exp: Download app4b.s to host.
	* gas/i386/i386.exp (gas_64_check): Use gas_host_run.
	(gas_32_check): Likewise.
	* gas/maxq10/maxq10.exp (gas_64_check): Likewise
	(gas_32_check): Likewise.
	* gas/maxq20/maxq20.exp (gas_64_check): Likewise
	(gas_32_check): Likewise.
	* gas/sparc/sparc.exp (gas_64_check): Likewise.
	* gas/cfi/cfi.exp: Likewise.
	* gas/elf/elf.exp (run_list_test): Likewise.  Use temporary file
	for readelf output in place of pipe.
	* gas/all/gas.exp: Download incbin.dat to host.
	(do_comment): Allow \r\r\n.

ld:
2007-08-28  Mark Shinwell  <shinwell@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

	* ldlang.c (sort_sections_by_lma): Sort by internal id after lma
	for stable sort.

ld/testsuite:
2007-08-28  Mark Shinwell  <shinwell@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

	* ld-elfcomm/elfcomm.exp: Use run_host_cmd.  Only check "which
	$CC" if host is local.
	* ld-checks/checks.exp: Use run_host_cmd.
	* ld-elf/exclude.exp: Likewise.
	* ld-elf/elf.exp: Download merge.ld if host is remote.
	* ld-elf/binutils.exp (binutils_test): Use remote_exec.
	* ld-elf/tls_common.exp: Use run_host_cmd.
	* lib/ld-lib.exp (ld_version): Only check "which $ld" if host is
	local.  Use remote_exec.
	(run_host_cmd): New.
	(run_host_cmd_yesno): New.
	(default_ld_relocate): Use run_host_cmd_yesno.
	(default_ld_link): Likewise.
	(default_ld_simple_link): Use run_host_cmd.
	(default_ld_compile): Only check "which $ccprog" if host is local.
	Use remote_file and remote_exec.
	(default_ld_assemble): Only check "which $as" if host is local.
	Use run_host_cmd.
	(default_ld_nm): Use remote_exec, remote_upload and remote_file.
	(run_dump_test): Use remote_exec, remote_upload and remote_file.
	Only check "which $binary" if host is local.
	(run_ld_link_tests): Use remote_exec, remote_upload and
	remote_file.
	* ld-selective/selective.exp: Only check "which $CXX" if host is
	local.  Use remote_exec.
	* ld-scripts/phdrs.exp: Only check "which $objdump" if host is
	local.  Use run_host_cmd.
	* ld-scripts/phdrs2.exp: Likewise.
	* ld-scripts/weak.exp: Likewise.
	* ld-undefined/weak-undef.exp: Likewise.
	* ld-scripts/crossref.exp: Only check "which $CC" if host is local.
	Use run_host_cmd.
	* ld-scripts/map-address.exp: Upload map_address.map if host is
	remote.
	* ld-srec/srec.exp (run_srec_tests): Use run_host_cmd.  Only check
	"which $CC" and "which $CXX" if host is local.
	* ld-undefined/undefined.exp: Only check "which $CC" if host is
	local.  Use remote_file and run_host_cmd.
	* config/default.exp: Use remote_exec to create tmpdir.

18 files changed, 208 insertions, 165 deletions

diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index ecd896ca62..ec3cf044ea 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,46 @@
+2007-08-28  Mark Shinwell  <shinwell@codesourcery.com>
+            Joseph Myers  <joseph@codesourcery.com>
+
+	* ld-elfcomm/elfcomm.exp: Use run_host_cmd.  Only check "which
+	$CC" if host is local.
+	* ld-checks/checks.exp: Use run_host_cmd.
+	* ld-elf/exclude.exp: Likewise.
+	* ld-elf/elf.exp: Download merge.ld if host is remote.
+	* ld-elf/binutils.exp (binutils_test): Use remote_exec.
+	* ld-elf/tls_common.exp: Use run_host_cmd.
+	* lib/ld-lib.exp (ld_version): Only check "which $ld" if host is
+	local.  Use remote_exec.
+	(run_host_cmd): New.
+	(run_host_cmd_yesno): New.
+	(default_ld_relocate): Use run_host_cmd_yesno.
+	(default_ld_link): Likewise.
+	(default_ld_simple_link): Use run_host_cmd.
+	(default_ld_compile): Only check "which $ccprog" if host is local.
+	Use remote_file and remote_exec.
+	(default_ld_assemble): Only check "which $as" if host is local.
+	Use run_host_cmd.
+	(default_ld_nm): Use remote_exec, remote_upload and remote_file.
+	(run_dump_test): Use remote_exec, remote_upload and remote_file.
+	Only check "which $binary" if host is local.
+	(run_ld_link_tests): Use remote_exec, remote_upload and
+	remote_file.
+	* ld-selective/selective.exp: Only check "which $CXX" if host is
+	local.  Use remote_exec.
+	* ld-scripts/phdrs.exp: Only check "which $objdump" if host is
+	local.  Use run_host_cmd.
+	* ld-scripts/phdrs2.exp: Likewise.
+	* ld-scripts/weak.exp: Likewise.
+	* ld-undefined/weak-undef.exp: Likewise.
+	* ld-scripts/crossref.exp: Only check "which $CC" if host is local.
+	Use run_host_cmd.
+	* ld-scripts/map-address.exp: Upload map_address.map if host is
+	remote.
+	* ld-srec/srec.exp (run_srec_tests): Use run_host_cmd.  Only check
+	"which $CC" and "which $CXX" if host is local.
+	* ld-undefined/undefined.exp: Only check "which $CC" if host is
+	local.  Use remote_file and run_host_cmd.
+	* config/default.exp: Use remote_exec to create tmpdir.
+
 2007-08-24  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* ld-i386/i386.exp (i386tests): Add a test for TLS IE->LE
diff --git a/ld/testsuite/config/default.exp b/ld/testsuite/config/default.exp
index dfae71afb6..ab35ecfa53 100644
--- a/ld/testsuite/config/default.exp
+++ b/ld/testsuite/config/default.exp
@@ -50,9 +50,7 @@ if ![info exists strip] then {
     set strip [findfile $base_dir/../binutils/strip-new $base_dir/../binutils/strip-new [transform strip]]
 }
 
-if {![file isdirectory tmpdir]} then {
-    catch "exec mkdir tmpdir" status
-}
+remote_exec host "mkdir -p tmpdir"
 
 # Make a symlink from tmpdir/as to the assembler in the build tree, so
 # that we can use a -B option to gcc to force it to use the newly
diff --git a/ld/testsuite/ld-checks/checks.exp b/ld/testsuite/ld-checks/checks.exp
index d0ace092a3..39e9ac7936 100644
--- a/ld/testsuite/ld-checks/checks.exp
+++ b/ld/testsuite/ld-checks/checks.exp
@@ -57,8 +57,7 @@ proc section_check {} {
     # Perform the equivalent of invoking ld_simple_link
     # except that we need to massage the output futher.
     
-    verbose -log "$ld -o tmpdir/asm.x $ldflags tmpdir/asm.o"
-    catch "exec $ld -o tmpdir/asm.x $ldflags tmpdir/asm.o" exec_output
+    set exec_output [run_host_cmd "$ld" "-o tmpdir/asm.x $ldflags tmpdir/asm.o"]
     set exec_output [prune_warnings $exec_output]
 
     # Make sure that we got some output from the linker
diff --git a/ld/testsuite/ld-elf/binutils.exp b/ld/testsuite/ld-elf/binutils.exp
index 52ac03b2f4..ba7ac36862 100644
--- a/ld/testsuite/ld-elf/binutils.exp
+++ b/ld/testsuite/ld-elf/binutils.exp
@@ -62,24 +62,24 @@ proc binutils_test { prog_name ld_options test } {
     }
 
     send_log "$READELF -l --wide tmpdir/$test > tmpdir/$test.exp\n"
-    catch "exec $READELF -l --wide tmpdir/$test > tmpdir/$test.exp" got
-    if ![string match "" $got] then {
+    set got [remote_exec host "$READELF -l --wide tmpdir/$test" "" "/dev/null" "tmpdir/$test.exp"]
+    if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
 	send_log "$got\n"
 	unresolved "$test_name"
 	return
     }
 
     send_log "$prog tmpdir/$test\n"
-    catch "exec $prog tmpdir/$test" got
-    if ![string match "" $got] then {
+    set got [remote_exec host "$prog tmpdir/$test"]
+    if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
 	send_log "$got\n"
 	fail "$test_name"
 	return
     }
 
     send_log "$READELF -l --wide tmpdir/$test > tmpdir/$test.out\n"
-    catch "exec $READELF -l --wide tmpdir/$test > tmpdir/$test.out" got
-    if ![string match "" $got] then {
+    set got [remote_exec host "$READELF -l --wide tmpdir/$test" "" "/dev/null" "tmpdir/$test.out"]
+    if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
 	send_log "$got\n"
 	unresolved "$test_name"
 	return
diff --git a/ld/testsuite/ld-elf/elf.exp b/ld/testsuite/ld-elf/elf.exp
index 20e998077d..dc6a3a6a77 100644
--- a/ld/testsuite/ld-elf/elf.exp
+++ b/ld/testsuite/ld-elf/elf.exp
@@ -29,6 +29,10 @@ if { [istarget spu*-*-*] } {
     set LDFLAGS "$LDFLAGS --local-store 0:0"
 }
 
+if { [is_remote host] } then {
+    remote_download host merge.ld
+}
+
 set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
 foreach t $test_list {
     # We need to strip the ".d", but can leave the dirname.
diff --git a/ld/testsuite/ld-elf/exclude.exp b/ld/testsuite/ld-elf/exclude.exp
index 2bb8cf6aab..264c138035 100644
--- a/ld/testsuite/ld-elf/exclude.exp
+++ b/ld/testsuite/ld-elf/exclude.exp
@@ -53,8 +53,8 @@ if { ![ld_assemble $as $srcdir/$subdir/exclude1.s tmpdir/exclude1.o ]
     return
 }
 
-catch "exec rm -f tmpdir/libexclude.a" catch_output
-catch "exec $ar cq tmpdir/libexclude.a tmpdir/exclude2.o" catch_output
+remote_file host delete "tmpdir/libexclude.a"
+set catch_output [run_host_cmd "$ar" "cq tmpdir/libexclude.a tmpdir/exclude2.o"]
 if {![string match "" $catch_output]} {
     unresolved $test1
     return
diff --git a/ld/testsuite/ld-elf/tls_common.exp b/ld/testsuite/ld-elf/tls_common.exp
index edeedbe8c7..66a550ccdf 100644
--- a/ld/testsuite/ld-elf/tls_common.exp
+++ b/ld/testsuite/ld-elf/tls_common.exp
@@ -62,8 +62,7 @@ if { ![ld_simple_link $ld tmpdir/tls_common "tmpdir/tls_common1.o"] } {
     return
 } 
 
-send_log "$READELF -l --wide tmpdir/tls_common\n"
-catch "exec $READELF -l --wide tmpdir/tls_common" readelf_output
+set readelf_output [run_host_cmd "$READELF" "-l --wide tmpdir/tls_common"]
 if ![regexp ".*TLS.*0x0+ 0x0+4 R .*" $readelf_output] then {
     send_log "$readelf_output\n"
     fail "tls_common"
diff --git a/ld/testsuite/ld-elfcomm/elfcomm.exp b/ld/testsuite/ld-elfcomm/elfcomm.exp
index fcfdf92739..bed5258fd7 100644
--- a/ld/testsuite/ld-elfcomm/elfcomm.exp
+++ b/ld/testsuite/ld-elfcomm/elfcomm.exp
@@ -34,7 +34,7 @@ set test1w2	"$test1 (warning 2)"
 set test1c1	"$test1 (change 1)"
 set test1c2	"$test1 (change 2)"
 
-if { [which $CC] == 0 } {
+if { ![is_remote host] && [which $CC] == 0 } {
     untested $test1w1
     untested $test1w2
     untested $test1c1
@@ -54,7 +54,8 @@ proc dump_common1 { testname } {
     global READELF
 
     send_log "$READELF -s tmpdir/common1.o | grep foo\n"
-    catch "exec $READELF -s tmpdir/common1.o | grep foo" exec_output
+    set exec_output [run_host_cmd "readelf" "-s tmpdir/common1.o | grep foo"]
+
     if { ![regexp "(\[ 	\]*)(\[0-9\]+):(\[ 	\]*)(\[0\]*)80(\[ 	\]+)4(\[ 	\]+)OBJECT(\[ 	\]+)GLOBAL(\[ 	\]+)DEFAULT(\[ 	\]+)(PRC\\\[0xff03\\\]|COM|SCOM)(\[ 	\]+)_?foo2" $exec_output]
  	 || ![regexp "(\[ 	\]*)(\[0-9\]+):(\[ 	\]*)(\[0-9\]+)(\[ 	\]+)21(\[ 	\]+)OBJECT(\[ 	\]+)GLOBAL(\[ 	\]+)DEFAULT(\[ 	\]+)(\[0-9\]+)(\[ 	\]+)_?foo1" $exec_output] } {
 	send_log "$exec_output\n"
diff --git a/ld/testsuite/ld-scripts/crossref.exp b/ld/testsuite/ld-scripts/crossref.exp
index 4d43ecf0de..6d0420b014 100644
--- a/ld/testsuite/ld-scripts/crossref.exp
+++ b/ld/testsuite/ld-scripts/crossref.exp
@@ -24,7 +24,7 @@ set test1 "NOCROSSREFS 1"
 set test2 "NOCROSSREFS 2"
 set test3 "NOCROSSREFS 3"
 
-if { [which $CC] == 0 } {
+if { ![is_remote host] && [which $CC] == 0 } {
     untested $test1
     untested $test2
     untested $test3
@@ -62,9 +62,7 @@ if [istarget sh64*-*-elf] {
 # IA64 has both ordered and unordered sections in an input file.
 setup_xfail ia64-*-*
 
-verbose -log "$ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o"
-
-catch "exec $ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o" exec_output
+set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o"]
 
 set exec_output [prune_warnings $exec_output]
 
@@ -88,10 +86,7 @@ if { ![ld_compile $CC "$srcdir/$subdir/cross3.c" tmpdir/cross3.o] } {
     return
 }
 
-verbose -log "$ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o"
-
-catch "exec $ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o" exec_output
-
+set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o"]
 set exec_output [prune_warnings $exec_output]
 
 regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
@@ -119,9 +114,7 @@ if ![ld_relocate $ld tmpdir/cross3-partial.o "tmpdir/cross1.o tmpdir/cross4.o"]
     return
 }
 
-verbose -log "$ld $flags -o tmpdir/cross3 -T $srcdir/$subdir/cross3.t tmpdir/cross3-partial.o tmpdir/cross2.o"
-
-catch "exec $ld $flags -o tmpdir/cross3 -T $srcdir/$subdir/cross3.t tmpdir/cross3-partial.o tmpdir/cross2.o" exec_output
+set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross3 -T $srcdir/$subdir/cross3.t tmpdir/cross3-partial.o tmpdir/cross2.o"]
 
 set exec_output [prune_warnings $exec_output]
 
diff --git a/ld/testsuite/ld-scripts/map-address.exp b/ld/testsuite/ld-scripts/map-address.exp
index 6ddad412ca..c8fe653583 100644
--- a/ld/testsuite/ld-scripts/map-address.exp
+++ b/ld/testsuite/ld-scripts/map-address.exp
@@ -31,7 +31,14 @@ if {![ld_simple_link $ld tmpdir/map-address \
 	  tmpdir/map-address.o \
 	  -Map tmpdir/map-address.map"]} {
     fail $testname
-} elseif {[regexp_diff \
+    return
+}
+
+if [is_remote host] then {
+    remote_upload host "tmpdir/map_address.map"
+}
+
+if {[regexp_diff \
 	       "tmpdir/map-address.map" \
 	       "$srcdir/$subdir/map-address.d"]} {
     fail $testname
diff --git a/ld/testsuite/ld-scripts/phdrs.exp b/ld/testsuite/ld-scripts/phdrs.exp
index bde4f10cf0..ad59cd1b56 100644
--- a/ld/testsuite/ld-scripts/phdrs.exp
+++ b/ld/testsuite/ld-scripts/phdrs.exp
@@ -52,13 +52,11 @@ set ldopt "$ldopt -T $srcdir/$subdir/phdrs.t tmpdir/phdrs.o"
 if ![ld_simple_link $ld tmpdir/phdrs $ldopt] {
     fail $testname
 } else {
-    if {[which $objdump] == 0} {
+    if {![is_remote host] && [which $objdump] == 0} {
 	unresolved $testname
 	return
     }
-
-    verbose -log "$objdump --private tmpdir/phdrs"
-    catch "exec $objdump --private tmpdir/phdrs" exec_output
+    set exec_output [run_host_cmd "$objdump" "--private tmpdir/phdrs"]
     set exec_output [prune_warnings $exec_output]
     verbose -log $exec_output
 
diff --git a/ld/testsuite/ld-scripts/phdrs2.exp b/ld/testsuite/ld-scripts/phdrs2.exp
index 654a8becd9..5a4a8cccd2 100644
--- a/ld/testsuite/ld-scripts/phdrs2.exp
+++ b/ld/testsuite/ld-scripts/phdrs2.exp
@@ -57,13 +57,12 @@ set ldopt "$ldopt -T $srcdir/$subdir/phdrs2.t tmpdir/phdrs2.o"
 if ![ld_simple_link $ld tmpdir/phdrs2 $ldopt] {
     fail $testname
 } else {
-    if {[which $objdump] == 0} {
+    if {![is_remote host] && [which $objdump] == 0} {
 	unresolved $testname
 	return
     }
 
-    verbose -log "$objdump --private tmpdir/phdrs2"
-    catch "exec $objdump --private tmpdir/phdrs2" exec_output
+    set exec_output [run_host_cmd "$objdump" "--private tmpdir/phdrs2"]
     set exec_output [prune_warnings $exec_output]
     verbose -log $exec_output
 
diff --git a/ld/testsuite/ld-scripts/weak.exp b/ld/testsuite/ld-scripts/weak.exp
index de28755e68..5b5c00c368 100644
--- a/ld/testsuite/ld-scripts/weak.exp
+++ b/ld/testsuite/ld-scripts/weak.exp
@@ -60,14 +60,13 @@ set weak_regexp_little \
 if {! [ld_simple_link $ld tmpdir/weak "$flags -T $srcdir/$subdir/weak.t tmpdir/weak1.o tmpdir/weak2.o"] } then {
     fail $testname
 } else {
-    if {[which $objdump] == 0} then {
+    if {![is_remote host] && [which $objdump] == 0} then {
 	unresolved $testname
 	set LDFLAGS "$saved_LDFLAGS"
 	return
     }
 
-    verbose -log "$objdump -s tmpdir/weak"
-    catch "exec $objdump -s tmpdir/weak" exec_output
+    set exec_output [run_host_cmd "$objdump" "-s tmpdir/weak"]
     set exec_output [prune_warnings $exec_output]
     verbose -log $exec_output
 
diff --git a/ld/testsuite/ld-selective/selective.exp b/ld/testsuite/ld-selective/selective.exp
index dc7e9b80f9..bae43722e8 100644
--- a/ld/testsuite/ld-selective/selective.exp
+++ b/ld/testsuite/ld-selective/selective.exp
@@ -71,7 +71,7 @@ if [istarget sh64*-*-elf] {
 }
 
 # If we don't have g++ for the target, mark all tests as untested.
-if { [which $CXX] == 0 } {
+if { ![is_remote host] && [which $CXX] == 0 } {
     foreach testitem $seltests {
 	untested "[lindex $testitem 0]"
     }
@@ -103,7 +103,8 @@ foreach testitem $seltests {
 	if [string match "*gcc*" [lindex $CC 0]] {
 	    # Starting with 3.4.0, -fvtable-gc is no longer supported and thus
 	    # the functionality we try to test for cannot be expected to work.
-	    catch "exec -- $CC -dumpversion" version
+	    set version [remote_exec host "$CC -dumpversion"]
+	    set version [lindex $version 1]
 	    if [regexp "^(\[1-9\]\[0-9\]+|\[4-9\]|3.(\[1-9\]\[0-9\]+|\[4-9\]))\\." $version] {
 		setup_xfail {*-*-*}
 	    }
@@ -122,19 +123,25 @@ foreach testitem $seltests {
 
     # V850 targets need libgcc.a
     if [istarget v850*-*-elf] {
-    	catch "exec $CC -print-libgcc-file-name" libgcc
+	set libgcc [remote_exec host "$CC -print-libgcc-file-name"]
+	set libgcc [lindex $libgcc 1]
+	regsub -all "\[\r\n\]" $libgcc "" libgcc
 	set objfile "$objfile $libgcc"
     }
 
     # ARM targets need libgcc.a in THUMB mode so that __call_via_r3 is provided
     if {[istarget arm-*-*] || [istarget xscale-*-*]} {
-    	catch "exec $CC -print-libgcc-file-name" libgcc
+	set libgcc [remote_exec host "$CC -print-libgcc-file-name"]
+	set libgcc [lindex $libgcc 1]
+	regsub -all "\[\r\n\]" $libgcc "" libgcc
 	set objfile "$objfile $libgcc"
     }
 
     # HPPA linux targets need libgcc.a for millicode routines ($$dyncall).
     if [istarget hppa*-*-linux*] {
-    	catch "exec $CC -print-libgcc-file-name" libgcc
+	set libgcc [remote_exec host "$CC -print-libgcc-file-name"]
+	set libgcc [lindex $libgcc 1]
+	regsub -all "\[\r\n\]" $libgcc "" libgcc
 	set objfile "$objfile $libgcc"
     }
 
diff --git a/ld/testsuite/ld-srec/srec.exp b/ld/testsuite/ld-srec/srec.exp
index c40161a574..c75b57caa5 100644
--- a/ld/testsuite/ld-srec/srec.exp
+++ b/ld/testsuite/ld-srec/srec.exp
@@ -305,8 +305,7 @@ proc run_srec_test { test objs } {
     }
 
     send_log "$objcopy -O srec tmpdir/sr1 tmpdir/sr1.sr\n"
-    verbose "$objcopy -O srec tmpdir/sr1 tmpdir/sr1.sr"
-    catch "exec $objcopy -O srec tmpdir/sr1 tmpdir/sr1.sr" exec_output
+    set exec_output [run_host_cmd "$objcopy" "-O srec tmpdir/sr1 tmpdir/sr1.sr"]
     set exec_output [prune_warnings $exec_output]
     if ![string match "" $exec_output] {
 	send_log "$exec_output\n"
@@ -330,7 +329,7 @@ set test1 "S-records"
 set test2 "S-records with constructors"
 
 # See whether the default linker script uses SIZEOF_HEADERS.
-catch "exec $ld --verbose" exec_output
+set exec_output [run_host_cmd "$ld" "--verbose"]
 set sizeof_headers [string match "*SIZEOF_HEADERS*" $exec_output]
 
 # First test linking a C program.  We don't require any libraries.  We
@@ -338,7 +337,7 @@ set sizeof_headers [string match "*SIZEOF_HEADERS*" $exec_output]
 # directly to the S-record format, and require that the two files
 # contain the same data.
 
-if { [which $CC] == 0 } {
+if { ![is_remote host] && [which $CC] == 0 } {
     untested $test1
     untested $test2
     return
@@ -400,7 +399,7 @@ run_srec_test $test1 "tmpdir/sr1.o tmpdir/sr2.o"
 # destructors.  Note that since we are not linking against any
 # libraries, this program won't actually work or anything.
 
-if { [which $CXX] == 0 } {
+if { ![is_remote host] && [which $CXX] == 0 } {
     untested $test2
     return
 }
diff --git a/ld/testsuite/ld-undefined/undefined.exp b/ld/testsuite/ld-undefined/undefined.exp
index e6bf359b50..d546fd8056 100644
--- a/ld/testsuite/ld-undefined/undefined.exp
+++ b/ld/testsuite/ld-undefined/undefined.exp
@@ -25,7 +25,7 @@ set testund "undefined"
 set testfn "undefined function"
 set testline "undefined line"
 
-if { [which $CC] == 0 } {
+if { ![is_remote host] && [which $CC] == 0 } {
     verbose "Could not find C compiler!" 1
     untested $testund
     untested $testfn
@@ -41,16 +41,15 @@ if ![ld_compile "$CC -g" $srcdir/$subdir/undefined.c tmpdir/undefined.o] {
     return
 }
 
-catch "exec rm -f tmpdir/undefined" exec_output
+remote_file host delete "tmpdir/undefined"
 
 set flags [big_or_little_endian]
 
 # Using -e start prevents the SunOS linker from trying to build a
 # shared library.
 send_log "$ld -e start $flags -o tmpdir/undefined tmpdir/undefined.o\n"
-verbose "$ld -e start $flags -o tmpdir/undefined tmpdir/undefined.o"
+set exec_output [run_host_cmd "$ld" "-e start $flags -o tmpdir/undefined tmpdir/undefined.o"]
 
-catch "exec $ld -e start $flags -o tmpdir/undefined tmpdir/undefined.o" exec_output
 send_log "$exec_output\n"
 verbose "$exec_output"
 
diff --git a/ld/testsuite/ld-undefined/weak-undef.exp b/ld/testsuite/ld-undefined/weak-undef.exp
index 00c016a273..e3f109b3f6 100644
--- a/ld/testsuite/ld-undefined/weak-undef.exp
+++ b/ld/testsuite/ld-undefined/weak-undef.exp
@@ -66,13 +66,12 @@ set output_regexp \
 if {! [ld_simple_link $ld tmpdir/weak-undef "$flags tmpdir/weak-undef.o -T $srcdir/$subdir/weak-undef.t"] } then {
     fail $testname
 } else {
-    if {[which $objdump] == 0} then {
+    if {![is_remote host] && [which $objdump] == 0} then {
 	unresolved $testname
 	return
     }
 
-    verbose -log "$objdump -s tmpdir/weak-undef"
-    catch "exec $objdump -s tmpdir/weak-undef" exec_output
+    set exec_output [run_host_cmd "$objdump" "-s tmpdir/weak-undef"]
     set exec_output [prune_warnings $exec_output]
     verbose -log $exec_output
 
diff --git a/ld/testsuite/lib/ld-lib.exp b/ld/testsuite/lib/ld-lib.exp
index 878af0c513..5518a72c97 100644
--- a/ld/testsuite/lib/ld-lib.exp
+++ b/ld/testsuite/lib/ld-lib.exp
@@ -24,43 +24,67 @@
 proc default_ld_version { ld } {
     global host_triplet
 
-    if { [which $ld] == 0 } then {
+    if { ![is_remote host] && [which $ld] == 0 } then {
 	perror "$ld does not exist"
 	exit 1
     }
 
-    catch "exec $ld --version" tmp
-    set tmp [prune_warnings $tmp]
+    remote_exec host "$ld --version" "" "/dev/null" "ld.version"
+    remote_upload host "ld.version"
+    set tmp [prune_warnings [file_contents "ld.version"]]
+    remote_file build delete "ld.version"
+    remote_file host delete "ld.version"
+
     regexp "\[^\n\]* (cygnus-|)(\[-0-9.a-zA-Z-\]+)\[\r\n\].*" $tmp version cyg number
     if [info exists number] then {
 	clone_output "$ld $number\n"
     }
 }
 
-# Link an object using relocation.
-#
-proc default_ld_relocate { ld target objects } {
-    global HOSTING_EMU
-    global host_triplet
-    global exec_output
+proc run_host_cmd { prog command } {
+    global link_output
 
-    if { [which $ld] == 0 } then {
-	perror "$ld does not exist"
+    if { ![is_remote host] && [which "$prog"] == 0 } then {
+	perror "$prog does not exist"
 	return 0
     }
 
-    catch "exec rm -f $target" exec_output
+    verbose -log "$prog $command"
+    set status [remote_exec host [concat sh -c [list "$prog $command 2>&1"]] "" "/dev/null" "ld.tmp"]
+    remote_upload host "ld.tmp"
+    set link_output [file_contents "ld.tmp"]
+    regsub "\n$" $link_output "" link_output
+    if { [lindex $status 0] != 0 && [string match "" $link_output] } then {
+	append link_output "child process exited abnormally"
+    }
+    remote_file build delete ld.tmp
+    remote_file host delete ld.tmp
 
-    verbose -log "$ld $HOSTING_EMU -o $target -r $objects"
+    if [string match "" $link_output] then {
+	return ""
+    }
 
-    catch "exec $ld $HOSTING_EMU -o $target -r $objects" exec_output
-    set exec_output [prune_warnings $exec_output]
+    verbose -log "$link_output"
+    return "$link_output"
+}
+
+proc run_host_cmd_yesno { prog command } {
+    global exec_output
+
+    set exec_output [prune_warnings [run_host_cmd "$prog" "$command"]]
     if [string match "" $exec_output] then {
-	return 1
-    } else {
-	verbose -log "$exec_output"
-	return 0
+	return 1;
     }
+    return 0;
+}
+
+# Link an object using relocation.
+#
+proc default_ld_relocate { ld target objects } {
+    global HOSTING_EMU
+
+    remote_file host delete $target
+    return [run_host_cmd_yesno "$ld" "$HOSTING_EMU -o $target -r $objects"]
 }
 
 # Check to see if ld is being invoked with a non-endian output format
@@ -126,44 +150,24 @@ proc default_ld_link { ld target objects } {
     set objs "$HOSTING_CRT0 $objects"
     set libs "$LIBS $HOSTING_LIBS"
 
-    if { [which $ld] == 0 } then {
-	perror "$ld does not exist"
-	return 0
-    }
-
     if [is_endian_output_format $objects] then {
 	set flags [big_or_little_endian]
     } else {
 	set flags ""
     }
 
-    catch "exec rm -f $target" exec_output
-
-    verbose -log "$ld $HOSTING_EMU $flags -o $target $objs $libs"
+    remote_file host delete $target
 
-    catch "exec $ld $HOSTING_EMU $flags -o $target $objs $libs" link_output
-    set exec_output [prune_warnings $link_output]
-    if [string match "" $exec_output] then {
-	return 1
-    } else {
-	verbose -log "$exec_output"
-	return 0
-    }
+    return [run_host_cmd_yesno "$ld" "$HOSTING_EMU $flags -o $target $objs $libs"]
 }
 
 # Link a program using ld, without including any libraries.
 #
 proc default_ld_simple_link { ld target objects } {
     global host_triplet
-    global link_output
     global gcc_ld_flag
     global exec_output
 
-    if { [which $ld] == 0 } then {
-	perror "$ld does not exist"
-	return 0
-    }
-
     if [is_endian_output_format $objects] then {
 	set flags [big_or_little_endian]
     } else {
@@ -183,12 +187,10 @@ proc default_ld_simple_link { ld target objects } {
 	set flags "$gcc_ld_flag $flags"
     }
 
-    catch "exec rm -f $target" exec_output
+    remote_file host delete $target
 
-    verbose -log "$ld $flags -o $target $objects"
-
-    catch "exec $ld $flags -o $target $objects" link_output
-    set exec_output [prune_warnings $link_output]
+    set exec_output [run_host_cmd "$ld" "$flags -o $target $objects"]
+    set exec_output [prune_warnings $exec_output]
 
     # We don't care if we get a warning about a non-existent start
     # symbol, since the default linker script might use ENTRY.
@@ -197,7 +199,6 @@ proc default_ld_simple_link { ld target objects } {
     if [string match "" $exec_output] then {
 	return 1
     } else {
-	verbose -log "$exec_output"
 	return 0
     }
 }
@@ -215,12 +216,13 @@ proc default_ld_compile { cc source object } {
     if {[llength $cc_prog] > 1} then {
 	set cc_prog [lindex $cc_prog 0]
     }
-    if {[which $cc_prog] == 0} then {
+    if {![is_remote host] && [which $cc_prog] == 0} then {
 	perror "$cc_prog does not exist"
 	return 0
     }
 
-    catch "exec rm -f $object" exec_output
+    remote_file build delete "$object"
+    remote_file host delete "$object"
 
     set flags "-I$srcdir/$subdir $CFLAGS"
 
@@ -246,22 +248,20 @@ proc default_ld_compile { cc source object } {
 
     verbose -log "$cc $flags $ccflags -c $source -o $object"
 
-    catch "exec $cc $flags $ccflags -c $source -o $object" exec_output
+    set status [remote_exec host [concat sh -c [list "$cc $flags $ccflags -c $source -o $object 2>&1"]] "" "/dev/null" "ld.tmp"]
+    remote_upload host "ld.tmp"
+    set exec_output [file_contents "ld.tmp"]
+    remote_file build delete "ld.tmp"
+    remote_file host delete "ld.tmp"
     set exec_output [prune_warnings $exec_output]
     if [string match "" $exec_output] then {
 	if {![file exists $object]} then {
 	    regexp ".*/(\[^/\]*)$" $source all dobj
 	    regsub "\\.c" $dobj ".o" realobj
 	    verbose "looking for $realobj"
-	    if {[file exists $realobj]} then {
+	    if {[remote_file host exists $realobj]} then {
 		verbose -log "mv $realobj $object"
-		catch "exec mv $realobj $object" exec_output
-		set exec_output [prune_warnings $exec_output]
-		if {![string match "" $exec_output]} then {
-		    verbose -log "$exec_output"
-		    perror "could not move $realobj to $object"
-		    return 0
-		}
+		remote_upload "$realobj" "$object"
 	    } else {
 		perror "$object not found after compilation"
 		return 0
@@ -281,23 +281,14 @@ proc default_ld_assemble { as source object } {
     global ASFLAGS
     global host_triplet
 
-    if {[which $as] == 0} then {
-	perror "$as does not exist"
-	return 0
-    }
-
     if ![info exists ASFLAGS] { set ASFLAGS "" }
 
     set flags [big_or_little_endian]
-
-    verbose -log "$as $flags $ASFLAGS -o $object $source"
-
-    catch "exec $as $flags $ASFLAGS -o $object $source" exec_output
+    set exec_output [run_host_cmd "$as" "$flags $ASFLAGS -o $object $source"]
     set exec_output [prune_warnings $exec_output]
     if [string match "" $exec_output] then {
 	return 1
     } else {
-	verbose -log "$exec_output"
 	perror "$source: assembly failed"
 	return 0
     }
@@ -310,11 +301,6 @@ proc default_ld_nm { nm nmflags object } {
     global nm_output
     global host_triplet
 
-    if {[which $nm] == 0} then {
-	perror "$nm does not exist"
-	return 0
-    }
-
     if {[info exists nm_output]} {
       unset nm_output
     }
@@ -326,15 +312,20 @@ proc default_ld_nm { nm nmflags object } {
 	set old_lc_all $env(LC_ALL)
     }
     set env(LC_ALL) "C"
+
     verbose -log "$nm $NMFLAGS $nmflags $object >tmpdir/nm.out"
 
-    catch "exec $nm $NMFLAGS $nmflags $object >tmpdir/nm.out" exec_output
+    set status [remote_exec host [concat sh -c [list "$nm $NMFLAGS $nmflags $object 2>ld.stderr"]] "" "/dev/null" "tmpdir/nm.out"]
     if {[info exists old_lc_all]} {
 	set env(LC_ALL) $old_lc_all
     } else {
 	unset env(LC_ALL)
     }
-    set exec_output [prune_warnings $exec_output]
+    remote_upload host "ld.stderr"
+    remote_upload host "tmpdir/nm.out" "tmpdir/nm.out"
+    set exec_output [prune_warnings [file_contents "ld.stderr"]]
+    remote_file host delete "ld.stderr"
+    remote_file build delete "ld.stderr"
     if [string match "" $exec_output] then {
 	set file [open tmpdir/nm.out r]
 	while { [gets $file line] != -1 } {
@@ -706,6 +697,9 @@ proc run_dump_test { name } {
 		}
 	    }
 	}
+	if { $opt_name == "as" || $opt_name == "ld" } {
+	    set opt_val [subst $opt_val]
+	}
 	set opts($opt_name) [concat $opts($opt_name) $opt_val]
     }
     foreach opt { as ld } {
@@ -805,10 +799,13 @@ proc run_dump_test { name } {
 	set cmd "$AS $ASFLAGS $opts(as) $asflags($sourcefile) -o $objfile $sourcefile"
 
 	send_log "$cmd\n"
-	set cmdret [catch "exec $cmd" comp_output]
-	set comp_output [prune_warnings $comp_output]
+	set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
+	remote_upload host "ld.tmp"
+	set comp_output [prune_warnings [file_contents "ld.tmp"]]
+	remote_file host delete "ld.tmp"
+	remote_file build delete "ld.tmp"
 
-	if { $cmdret != 0 || ![string match "" $comp_output] } then {
+	if { [lindex $cmdret 0] != 0 || ![string match "" $comp_output] } then {
 	    send_log "$comp_output\n"
 	    verbose "$comp_output" 3
 
@@ -840,43 +837,32 @@ proc run_dump_test { name } {
 		   $opts(ld) -o $objfile $objfiles"
 
 	send_log "$cmd\n"
-	set cmdret [catch "exec $cmd" comp_output]
-	set comp_output [prune_warnings $comp_output]
-
-	if { $cmdret != 0 } then {
-	    # If the executed program writes to stderr and stderr is not
-	    # redirected, exec *always* returns failure, regardless of the
-	    # program exit code.  Thankfully, we can retrieve the true
-	    # return status from a special variable.  Redirection would
-	    # cause a Tcl-specific message to be appended, and we'd rather
-	    # not deal with that if we can help it.
-	    global errorCode
-	    if { [lindex $errorCode 0] == "NONE" } {
-		set cmdret 0
-	    }
-	}
+	set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
+	remote_upload host "ld.tmp"
+	set comp_output [prune_warnings [file_contents "ld.tmp"]]
+	remote_file host delete "ld.tmp"
+	remote_file build delete "ld.tmp"
+	set cmdret [lindex $cmdret 0]
 
 	if { $cmdret == 0 && $run_objcopy } {
 	    set infile $objfile
 	    set objfile "tmpdir/dump1"
-	    catch "exec rm -f $objfile" exec_output
+	    remote_file host delete $objfile
 
 	    # Note that we don't use OBJCOPYFLAGS here; any flags must be
 	    # explicitly specified.
 	    set cmd "$OBJCOPY $opts(objcopy_linked_file) $infile $objfile"
 
 	    send_log "$cmd\n"
-	    set cmdret [catch "exec $cmd" comp_output]
-	    append comp_output [prune_warnings $comp_output]
-
-	    if { $cmdret != 0 } then {
-		global errorCode
-		if { [lindex $errorCode 0] == "NONE" } {
-		    set cmdret 0
-		}
-	    }
+	    set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
+	    remote_upload host "ld.tmp"
+	    append comp_output [prune_warnings [file_contents "ld.tmp"]]
+	    remote_file host delete "ld.tmp"
+	    remote_file build delete "ld.tmp"
+	    set cmdret [lindex $cmdret 0]
 	}
 
+	regsub "\n$" $comp_output "" comp_output
 	if { $cmdret != 0 || $comp_output != "" || $expmsg != "" } then {
 	    set exitstat "succeeded"
 	    if { $cmdret != 0 } { set exitstat "failed" }
@@ -911,7 +897,7 @@ proc run_dump_test { name } {
     eval set progopts \$[string toupper $program]FLAGS
     eval set binary \$[string toupper $program]
 
-    if { [which $binary] == 0 } {
+    if { ![is_remote host] && [which $binary] == 0 } {
 	untested $testname
 	return
     }
@@ -932,13 +918,16 @@ proc run_dump_test { name } {
     }
     set env(LC_ALL) "C"
     send_log "$cmd\n"
-    catch "exec $cmd" comp_output
+    set cmdret [remote_exec host [concat sh -c [list "$cmd 2>ld.tmp"]] "" "/dev/null"]
+    remote_upload host "ld.tmp"
+    set comp_output [prune_warnings [file_contents "ld.tmp"]]
+    remote_file host delete "ld.tmp"
+    remote_file build delete "ld.tmp"
     if {[info exists old_lc_all]} {
 	set env(LC_ALL) $old_lc_all
     } else {
 	unset env(LC_ALL)
     }
-    set comp_output [prune_warnings $comp_output]
     if ![string match "" $comp_output] then {
 	send_log "$comp_output\n"
 	fail $testname
@@ -1196,15 +1185,19 @@ proc run_ld_link_tests { ldtests } {
 			set old_lc_all $env(LC_ALL)
 		    }
 		    set env(LC_ALL) "C"
-		    set cmd "$binary $progopts $binfile > dump.out"
+		    set cmd "$binary $progopts $binfile"
+    		    set status [remote_exec host [concat sh -c [list "$cmd >dump.out 2>ld.stderr"]] "" "/dev/null"]
 		    send_log "$cmd\n"
-		    catch "exec $cmd" comp_output
+    		    remote_upload host "ld.stderr"
+    		    set comp_output [prune_warnings [file_contents "ld.stderr"]]
+    		    remote_file host delete "ld.stderr"
+    		    remote_file build delete "ld.stderr"
+                    
 		    if {[info exists old_lc_all]} {
 			set env(LC_ALL) $old_lc_all
 		    } else {
 			unset env(LC_ALL)
 		    }
-		    set comp_output [prune_warnings $comp_output]
 
 		    if ![string match "" $comp_output] then {
 			send_log "$comp_output\n"
@@ -1212,11 +1205,17 @@ proc run_ld_link_tests { ldtests } {
 			break
 		    }
 
+		    remote_upload host "dump.out"
+
 		    if { [regexp_diff "dump.out" "$srcdir/$subdir/$dumpfile"] } then {
 			verbose "output is [file_contents "dump.out"]" 2
 			set failed 1
+		   	remote_file build delete "dump.out"
+		   	remote_file host delete "dump.out"
 			break
 		    }
+		    remote_file build delete "dump.out"
+		    remote_file host delete "dump.out"
 		}
 	    }