* lib/gcc-defs.exp (additional_sources): New variable.
(dg-additional-sources): New function.
(additional_files): New variable.
(dg-additional-files): New function.
(dg-additional-files-options): Likewise.
* lib/gcc-dg.exp (dg-require-weak): New function.
(dg-require-alias): Likewise.
(dg-require-gc-sections): Likewise.
* lib/target-supports.exp (check_alias_available): Remove testfile
parameter.
(check_gc_sections_available): New function.
* lib/g++-dg.exp (dg-gpp-additional-sources): Remove.
(dg-gpp-additional-files): Likewise.
* lib/g++.exp (additional_sources): Remove.
(additional_files): Likewise.
(g++_target_compile): Use dg-additional-files-options.
* gcc.dg/special/special.exp: Add "ecos" tests. Remove complex
Tcl logic.
* gcc.dg/special/ecos.exp: Remove.
* gcc.dg/special/
20000419-2.c: Use dg-require-*.
* gcc.dg/special/alias-1.c: Likewise.
* gcc.dg/special/alias-2.c: Likewise.
* gcc.dg/special/gcsec-1.c: Likewise.
* gcc.dg/special/weak-1.c: Likewise.
* gcc.dg/special/weak-2.c: Likewise.
* gcc.dg/special/wkali-1.c: Likewise.
* gcc.dg/special/wkali-2.c: Likewise.
* g++.dg/special/conpr-2.C: Use dg-additional-*, not
dg-gpp-additional-*.
* g++.dg/special/conpr-3.C: Likewise.
* g++.dg/special/conpr-4.C: Likewise.
* g++.old-deja/g++.abi/vtable3a.C: Likewise.
* g++.old-deja/g++.abi/vtable3b.C: Likewise.
* g++.old-deja/g++.abi/vtable3c.C: Likewise.
* g++.old-deja/g++.abi/vtable3d.C: Likewise.
* g++.old-deja/g++.abi/vtable3e.C: Likewise.
* g++.old-deja/g++.abi/vtable3f.C: Likewise.
* g++.old-deja/g++.abi/vtable3g.C: Likewise.
* g++.old-deja/g++.abi/vtable3h.C: Likewise.
* g++.old-deja/g++.abi/vtable3i.C: Likewise.
* g++.old-deja/g++.abi/vtable3j.C: Likewise.
* g++.old-deja/g++.oliva/linkage1.C: Likewise.
* g++.old-deja/g++.other/comdat1.C: Likewise.
* g++.old-deja/g++.other/comdat2.C: Likewise.
* g++.old-deja/g++.other/comdat3.C: Likewise.
* g++.old-deja/g++.other/ctor1.C: Likewise.
* g++.old-deja/g++.pt/instantiate5.C: Likewise.
From-SVN: r67514
+2003-06-05 Mark Mitchell <mark@codesourcery.com>
+
+ * lib/gcc-defs.exp (additional_sources): New variable.
+ (dg-additional-sources): New function.
+ (additional_files): New variable.
+ (dg-additional-files): New function.
+ (dg-additional-files-options): Likewise.
+ * lib/gcc-dg.exp (dg-require-weak): New function.
+ (dg-require-alias): Likewise.
+ (dg-require-gc-sections): Likewise.
+ * lib/target-supports.exp (check_alias_available): Remove testfile
+ parameter.
+ (check_gc_sections_available): New function.
+ * lib/g++-dg.exp (dg-gpp-additional-sources): Remove.
+ (dg-gpp-additional-files): Likewise.
+ * lib/g++.exp (additional_sources): Remove.
+ (additional_files): Likewise.
+ (g++_target_compile): Use dg-additional-files-options.
+
+ * gcc.dg/special/special.exp: Add "ecos" tests. Remove complex
+ Tcl logic.
+ * gcc.dg/special/ecos.exp: Remove.
+ * gcc.dg/special/20000419-2.c: Use dg-require-*.
+ * gcc.dg/special/alias-1.c: Likewise.
+ * gcc.dg/special/alias-2.c: Likewise.
+ * gcc.dg/special/gcsec-1.c: Likewise.
+ * gcc.dg/special/weak-1.c: Likewise.
+ * gcc.dg/special/weak-2.c: Likewise.
+ * gcc.dg/special/wkali-1.c: Likewise.
+ * gcc.dg/special/wkali-2.c: Likewise.
+
+ * g++.dg/special/conpr-2.C: Use dg-additional-*, not
+ dg-gpp-additional-*.
+ * g++.dg/special/conpr-3.C: Likewise.
+ * g++.dg/special/conpr-4.C: Likewise.
+ * g++.old-deja/g++.abi/vtable3a.C: Likewise.
+ * g++.old-deja/g++.abi/vtable3b.C: Likewise.
+ * g++.old-deja/g++.abi/vtable3c.C: Likewise.
+ * g++.old-deja/g++.abi/vtable3d.C: Likewise.
+ * g++.old-deja/g++.abi/vtable3e.C: Likewise.
+ * g++.old-deja/g++.abi/vtable3f.C: Likewise.
+ * g++.old-deja/g++.abi/vtable3g.C: Likewise.
+ * g++.old-deja/g++.abi/vtable3h.C: Likewise.
+ * g++.old-deja/g++.abi/vtable3i.C: Likewise.
+ * g++.old-deja/g++.abi/vtable3j.C: Likewise.
+ * g++.old-deja/g++.oliva/linkage1.C: Likewise.
+ * g++.old-deja/g++.other/comdat1.C: Likewise.
+ * g++.old-deja/g++.other/comdat2.C: Likewise.
+ * g++.old-deja/g++.other/comdat3.C: Likewise.
+ * g++.old-deja/g++.other/ctor1.C: Likewise.
+ * g++.old-deja/g++.pt/instantiate5.C: Likewise.
+
2003-06-05 Richard Henderson <rth@redhat.com>
* gcc.dg/debug/20030605-1.c: New.
/* This doesn't work on solaris2 for reasons described in PR 6482. */
/* { dg-do run { xfail *-*-solaris2* } } */
-/* { dg-gpp-additional-sources "conpr-2a.cc" } */
+/* { dg-additional-sources "conpr-2a.cc" } */
#include <stdlib.h>
/* { dg-do run } */
-/* { dg-gpp-additional-sources "conpr-3a.cc conpr-3b.cc" } */
+/* { dg-additional-sources "conpr-3a.cc conpr-3b.cc" } */
#include <stdlib.h>
/* { dg-do run } */
-/* { dg-gpp-additional-sources "conpr-3b.cc conpr-3a.cc" } */
+/* { dg-additional-sources "conpr-3b.cc conpr-3a.cc" } */
#include <stdlib.h>
// { dg-do run }
-// { dg-gpp-additional-files "vtable3.h" }
+// { dg-additional-files "vtable3.h" }
// Copyright (C) 2000, 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 February 2001 <nathan@codesourcery.com>
// { dg-do run }
-// { dg-gpp-additional-files "vtable3.h" }
+// { dg-additional-files "vtable3.h" }
// Copyright (C) 2000, 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 February 2001 <nathan@codesourcery.com>
// { dg-do run }
-// { dg-gpp-additional-files "vtable3.h" }
+// { dg-additional-files "vtable3.h" }
// Copyright (C) 2000, 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 February 2001 <nathan@codesourcery.com>
// { dg-do run }
-// { dg-gpp-additional-files "vtable3.h" }
+// { dg-additional-files "vtable3.h" }
// Copyright (C) 2000, 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 February 2001 <nathan@codesourcery.com>
// { dg-do run }
-// { dg-gpp-additional-files "vtable3.h" }
+// { dg-additional-files "vtable3.h" }
// Copyright (C) 2000, 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 February 2001 <nathan@codesourcery.com>
// { dg-do run }
-// { dg-gpp-additional-files "vtable3.h" }
+// { dg-additional-files "vtable3.h" }
// Copyright (C) 2000, 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 February 2001 <nathan@codesourcery.com>
// { dg-do run }
-// { dg-gpp-additional-files "vtable3.h" }
+// { dg-additional-files "vtable3.h" }
// Copyright (C) 2000, 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 February 2001 <nathan@codesourcery.com>
// { dg-do run }
-// { dg-gpp-additional-files "vtable3.h" }
+// { dg-additional-files "vtable3.h" }
// Copyright (C) 2000, 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 February 2001 <nathan@codesourcery.com>
// { dg-do run }
-// { dg-gpp-additional-files "vtable3.h" }
+// { dg-additional-files "vtable3.h" }
// Copyright (C) 2000, 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 February 2001 <nathan@codesourcery.com>
// { dg-do run }
-// { dg-gpp-additional-files "vtable3.h" }
+// { dg-additional-files "vtable3.h" }
// Copyright (C) 2000, 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 February 2001 <nathan@codesourcery.com>
// { dg-do link }
-// { dg-gpp-additional-sources " linkage1-main.cc" }
+// { dg-additional-sources " linkage1-main.cc" }
// Copyright 2002 Free Software Foundation
// { dg-do run }
-// { dg-gpp-additional-sources " comdat1-aux.cc" }
+// { dg-additional-sources " comdat1-aux.cc" }
// { dg-options "-O" }
// Test that statics in inline functions are unified between
// translation units. Currently we handle this by just suppressing
// { dg-do run }
-// { dg-gpp-additional-sources " comdat2-aux.cc" }
+// { dg-additional-sources " comdat2-aux.cc" }
// { dg-options "-O" }
// Test that statics in inline functions are unified between
// translation units. Currently we handle this by just suppressing
// { dg-do run }
-// { dg-gpp-additional-sources " comdat3-aux.cc" }
+// { dg-additional-sources " comdat3-aux.cc" }
// Test that duplicate elimination of implicit instantiations of static
// data members works properly.
// { dg-do run }
-// { dg-gpp-additional-sources " ctor1-aux.cc" }
+// { dg-additional-sources " ctor1-aux.cc" }
// Origin: Mark Mitchell <mark@codesourcery.com>
// { dg-do link }
-// { dg-gpp-additional-sources " instantiate5.cc instantiate5-main.cc" }
+// { dg-additional-sources " instantiate5.cc instantiate5-main.cc" }
// `global constructors' are given the same name, based on foo(), on
// both translation units, which is wrong, because it must be possible
/* A static function with a global alias should not get 'defined but
not used' warnings. Exposed by Linux kernel. */
/* { dg-do compile } */
+/* { dg-require-alias } */
/* { dg-options "-Wall" } */
extern void do_something (void);
/* { dg-do link } */
+/* { dg-require-alias "" } */
#include <stdlib.h>
/* PR 3997 */
/* { dg-do run } */
+/* { dg-require-alias "" } */
extern void abort (void);
extern void exit (int);
+++ /dev/null
-# Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
-
-# 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.
-
-# Please email any bugs, comments, and/or additions to this file to:
-# jlarmour@cygnus.co.uk
-
-# This file was written by Jonathan Larmour (jlarmour@cygnus.co.uk).
-
-# GCC testsuite that uses the `dg.exp' driver.
-
-# Load support procs.
-load_lib gcc-dg.exp
-
-###############################
-# proc gcc_target_object_format {}
-###############################
-# has been moved to: gcc/testsuite/lib/file-format.exp
-
-###############################
-# proc check_weak_available { }
-###############################
-# has been moved to: gcc/testsuite/lib/target-supports.exp
-
-##########
-# weak-1.c
-##########
-
-if { [ check_weak_available ] == 1 } {
- dg-init
-
- set lines [gcc_target_compile "$srcdir/$subdir/weak-1a.c" "weak-1a.o" object ""]
- if ![string match "" $lines] then {
- fail "weak-1a.o"
- } else {
- dg-runtest "$srcdir/$subdir/weak-1.c" "weak-1a.o" ""
- file delete weak-1a.o
- }
- dg-finish
-} elseif { [ check_weak_available ] == 0 } {
- unsupported "weak-1.c"
-} else {
- unresolved "weak-1.c"
-}
-
-##########
-# weak-2.c
-##########
-
-if { [ check_weak_available ] == 1 } {
- dg-init
-
- set lines [gcc_target_compile "$srcdir/$subdir/weak-2a.c" "weak-2a.o" object ""]
- if ![string match "" $lines] then {
- fail "weak-2a.o"
- } else {
- set lines [gcc_target_compile "$srcdir/$subdir/weak-2b.c" "weak-2b.o" object ""]
- if ![string match "" $lines] then {
- fail "weak-2b.o"
- } else {
- dg-runtest "$srcdir/$subdir/weak-2.c" "weak-2a.o weak-2b.o" ""
- file delete weak-2a.o weak-2b.o
- }
- }
- dg-finish
-} elseif { [ check_weak_available ] == 0 } {
- unsupported "weak-2.c"
-} else {
- unresolved "weak-2.c"
-}
-
-###########
-# alias-1.c
-###########
-
-dg-init
-switch [check_alias_available "$srcdir/$subdir/alias-1.c"] {
- yes { dg-runtest "$srcdir/$subdir/alias-1.c" "" "" }
- no { unsupported "alias-1.c" }
- default { fail "alias-1.c" }
-}
-dg-finish
-
-###########
-# alias-2.c
-###########
-
-dg-init
-switch [check_alias_available "$srcdir/$subdir/alias-2.c"] {
- yes { dg-runtest "$srcdir/$subdir/alias-2.c" "" "" }
- no { unsupported "alias-2.c" }
- default { fail "alias-2.c" }
-}
-dg-finish
-
-###########
-# wkali-1.c
-###########
-
-if { [ check_weak_available ] == 1 } {
- dg-init
- switch [check_alias_available "$srcdir/$subdir/wkali-1.c"] {
- yes { dg-runtest "$srcdir/$subdir/wkali-1.c" "" "" }
- no { unsupported "wkali-1.c" }
- default { fail "wkali-1.c" }
- }
- dg-finish
-} elseif { [ check_weak_available ] == 0 } {
- unsupported "wkali-1.c"
-} else {
- unresolved "wkali-1.c"
-}
-
-###########
-# wkali-2.c
-###########
-
-if { [ check_weak_available ] == 1 } {
- dg-init
- set lines [gcc_target_compile "$srcdir/$subdir/wkali-2a.c" "wkali-2a.o" object ""]
- if ![string match "" $lines] then {
- fail "wkali-2a.o"
- } else {
- set lines [gcc_target_compile "$srcdir/$subdir/wkali-2b.c" "wkali-2b.o" object ""]
- if [string match "*only weak aliases*" $lines] then {
- xfail "wkali-2b.o"
- file delete $srcdir/$subdir/wkali-2.exe
- } elseif ![string match "" $lines] then {
- fail "wkali-2b.o"
- } else {
- dg-runtest "$srcdir/$subdir/wkali-2.c" "wkali-2a.o wkali-2b.o" ""
- file delete wkali-2a.o wkali-2b.o
- }
- }
- dg-finish
-} elseif { [ check_weak_available ] == 0 } {
- unsupported "wkali-2.c"
-} else {
- unresolved "wkali-2.c"
-}
-
-###########
-# gcsec-1.c
-###########
-
-# Check if the ld used by gcc supports --gc-sections.
-set gcc_ld [lindex [gcc_target_compile "-print-prog-name=ld" "" "none" ""] 0]
-set ld_output [remote_exec host "$gcc_ld" "--help"]
-
-# AIX gld supports garbage collection. But AIX gcc does not support
-# -ffunction-sections or -fdata-sections.
-if { [ string first "--gc-sections" $ld_output ] >= 0
- && ! [istarget rs6000-*-aix*]
- && ! [istarget powerpc*-*-aix*] } {
-
- dg-init
- if [isnative] {
- dg-runtest "$srcdir/$subdir/gcsec-1.c" "-ffunction-sections -fdata-sections -Wl,--gc-sections -static" ""
- } else {
- dg-runtest "$srcdir/$subdir/gcsec-1.c" "-ffunction-sections -fdata-sections -Wl,--gc-sections" ""
- }
- dg-finish
-} else {
- unsupported "gcsec-1.c"
-}
-
-### EOF ecos.exp
-/* { dg-do run } */
+/* AIX gld supports garbage collection. But AIX gcc does not support
+ -ffunction-sections or -fdata-sections. */
+/* { dg-do run { xfail rs6000-*-aix* powerpc*-*-aix* } } */
+/* { dg-require-gc-sections "" } */
+
+/* { dg-options "-ffunction-sections -fdata-sections -Wl,--gc-sections -static" } */
+/* { dg-options "-ffunction-sections -fdata-sections -Wl,--gc-sections -static" { target native } } */
#include <stdlib.h>
-# Copyright (C) 2001 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2003 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# Load support procs.
load_lib gcc-dg.exp
-##############
-# 20000419-2.c
-##############
-
dg-init
-switch [check_alias_available "$srcdir/$subdir/20000419-2.c"] {
- yes { dg-runtest "$srcdir/$subdir/20000419-2.c" "" "" }
- no { unsupported "20000419-2.c" }
- default { fail "20000419-2.c" }
-}
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*\[1-9\].c]] \
+ "" ""
dg-finish
-
### EOF special.exp
/* { dg-do run } */
+/* { dg-require-weak "" } */
+/* { dg-additional-sources weak-1a.c } */
#include <stdlib.h>
/* { dg-do run } */
+/* { dg-additional-sources "weak-2a.c weak-2b.c" } */
#include <stdlib.h>
/* { dg-do link } */
+/* { dg-require-weak "" } */
+/* { dg-require-alias "" } */
#include <stdlib.h>
/* { dg-do run } */
+/* { dg-require-weak "" } */
+/* { dg-additional-sources "wkali-2a.c wkali-2b.c" } */
#include <stdlib.h>
proc g++-dg-prune { system text } {
return [gcc-dg-prune $system $text]
}
-
-# Record additional sources files that must be compiled along with the
-# main source file.
-
-proc dg-gpp-additional-sources { args } {
- global additional_sources
- set additional_sources [lindex $args 1]
-}
-
-# Record additional files -- other than source files -- that must be
-# present on the system where the compiler runs.
-
-proc dg-gpp-additional-files { args } {
- global additional_files
- set additional_files [lindex $args 1]
-}
-
set gpp_compile_options ""
-set additional_sources ""
-set additional_files ""
#
# g++_version -- extract and print the version number of the compiler
exec rm -f $rponame
}
- global additional_sources
- global additional_files
- set to_download ""
- if { $additional_sources != "" } then {
- if [is_remote host] {
- lappend options "additional_flags=$additional_sources"
- }
- regsub -all "^| " $additional_sources " [file dirname $source]/" additional_sources
- if ![is_remote host] {
- lappend options "additional_flags=$additional_sources"
- }
- set to_download [concat $to_download $additional_sources]
- }
- if { $additional_files != "" } then {
- regsub -all " " $additional_files " [file dirname $source]/" additional_files
- set to_download [concat $to_download $additional_files]
- }
- if [is_remote host] {
- foreach file $to_download {
- remote_download host $file
- }
- }
+ set options [dg-additional-files-options $options $source]
set result [target_compile $source $dest $type $options]
- set additional_sources ""
- set additional_files ""
-
return $result
}
-# Copyright (C) 2001 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2003 Free Software Foundation, Inc.
# 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
return 1
}
}
+
+# Record additional sources files that must be compiled along with the
+# main source file.
+
+set additional_sources ""
+
+proc dg-additional-sources { args } {
+ global additional_sources
+ set additional_sources [lindex $args 1]
+}
+
+# Record additional files -- other than source files -- that must be
+# present on the system where the compiler runs.
+
+set additional_files ""
+
+proc dg-additional-files { args } {
+ global additional_files
+ set additional_files [lindex $args 1]
+}
+
+# Return an updated version of OPTIONS that mentions any additional
+# source files registered with dg-additional-sources. SOURCE is the
+# name of the test case.
+
+proc dg-additional-files-options { options source } {
+ global additional_sources
+ global additional_files
+ set to_download [list]
+ if { $additional_sources != "" } then {
+ if [is_remote host] {
+ lappend options "additional_flags=$additional_sources"
+ }
+ regsub -all "^| " $additional_sources " [file dirname $source]/" additional_sources
+ if ![is_remote host] {
+ lappend options "additional_flags=$additional_sources"
+ }
+ set to_download [concat $to_download $additional_sources]
+ set additional_sources ""
+ }
+ if { $additional_files != "" } then {
+ regsub -all " " $additional_files " [file dirname $source]/" additional_files
+ set to_download [concat $to_download $additional_files]
+ set additional_files ""
+ }
+ if [is_remote host] {
+ foreach file $to_download {
+ remote_download host $file
+ }
+ }
+
+ return $options
+}
}
}
}
+
+# If this target does not support weak symbols, skip this test.
+
+proc dg-require-weak { args } {
+ upvar dg-do-what dg-do-what
+ upvar name name
+
+ set weak_available [ check_weak_available ]
+ if { $weak_available == -1 } {
+ unresolved "$name"
+ }
+ if { $weak_available != 1 } {
+ set dg-do-what [list [lindex $dg_do_what 0] "N" "P"]
+ return
+ }
+}
+
+# If this target does not support the "alias" attribute, skip this
+# test.
+
+proc dg-require-alias { args } {
+ upvar dg-do-what dg-do-what
+ upvar name name
+
+ set alias_available [ check_alias_available ]
+ if { $alias_available == -1 } {
+ unresolved "$name"
+ }
+ if { $alias_available < 2 } {
+ set dg-do-what [list [lindex $dg_do_what 0] "N" "P"]
+ return
+ }
+}
+
+# If this target's linker does not support the --gc-sections flag,
+# skip this test.
+
+proc dg-require-gc-sections { args } {
+ if { ![ check_gc_sections_available ] } {
+ upvar dg-do-what dg-do-what
+ set dg-do-what [list [lindex $dg_do_what 0] "N" "P"]
+ return
+ }
+}
-# Copyright (C) 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
+# Copyright (C) 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
lappend options "timeout=[target_info gcc,timeout]"
}
lappend options "compiler=$GCC_UNDER_TEST"
+ set options [dg-additional-files-options $options $source]
return [target_compile $source $dest $type $options]
}
-# Copyright (C) 1999, 2001 Free Software Foundation, Inc.
+# Copyright (C) 1999, 2001, 2003 Free Software Foundation, Inc.
# 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
###############################
# Determine if the target toolchain supports the alias attribute.
-# Parameter is the pathname of a file that can be used to test the alias support.
-# Returns yes if it does.
-# Returns no if it does not.
-# Returns dontknow if something went wrong
-# For an example of the use of this function, see gcc.dg/special/ecos.exp
-proc check_alias_available { testfile } {
+# Returns 2 if the target supports aliases. Returns 1 if the target
+# only supports weak aliased. Returns 0 if the target does not
+# support aliases at all. Returns -1 if support for aliases could not
+# be determined.
+
+proc check_alias_available { } {
global alias_available_saved
if [info exists alias_available_saved] {
verbose "check_alias_available returning saved $alias_available_saved" 2
} else {
- verbose "check_alias_available compiling testfile $testfile" 2
- set lines [gcc_target_compile $testfile "tmp.o" object ""]
-
+ verbose "check_alias_available compiling testfile" 2
+ set f [open "tmp.c" "w"]
+ puts $f "void f() __attribute__((alias(\"g\")));"
+ close $f
+ set lines [gcc_target_compile "tmp.c" "tmp.o" object ""]
+ file delete "tmp.c"
+
if [string match "" $lines] then {
# No error messages, everything is OK.
- set alias_available_saved yes
+ set alias_available_saved 2
} else {
if [regexp "alias definitions not supported" $lines] {
verbose "check_alias_available target does not support aliases" 2
if { $objformat == "elf" } {
verbose "check_alias_available but target uses ELF format, so it ought to" 2
- set alias_available_saved dontknow
+ set alias_available_saved -1
} else {
- set alias_available_saved no
+ set alias_available_saved 0
}
} else {
if [regexp "only weak aliases are supported" $lines] {
verbose "check_alias_available target supports only weak aliases" 2
- set alias_available_saved no
+ set alias_available_saved 1
} else {
- set alias_available_saved dontknow
+ set alias_available_saved -1
}
}
}
return $alias_available_saved
}
+
+# Returns true if --gc-sections is supported on the target.
+
+proc check_gc_sections_available { } {
+ global gc_sections_available_saved
+
+ if {![info exists alias_available_saved]} {
+ # Check if the ld used by gcc supports --gc-sections.
+ set gcc_ld [lindex [gcc_target_compile "-print-prog-name=ld" "" "none" ""] 0]
+ set ld_output [remote_exec host "$gcc_ld" "--help"]
+ if { [ string first "--gc-sections" $ld_output ] >= 0 } {
+ set gc_sections_available_saved 1
+ } else {
+ set gc_sections_available_saved 0
+ }
+ }
+ return $gc_sections_available_saved
+}
projects / gcc.git / commitdiff