[gdb/testsuite] Use main.c in gdb.dwarf2

Eliminate copies of main.c in gdb.dwarf2.

Tested on x86_64-linux.

gdb/testsuite/ChangeLog:

2020-10-20  Tom de Vries  <tdevries@suse.de>

	* gdb.dwarf2/arr-stride.c: Remove.
	* gdb.dwarf2/arr-stride.exp: Use main.c.
	* gdb.dwarf2/arr-subrange.c: Remove.
	* gdb.dwarf2/arr-subrange.exp: Use main.c.
	* gdb.dwarf2/bad-regnum.c: Remove.
	* gdb.dwarf2/bad-regnum.exp: Use main.c.
	* gdb.dwarf2/corrupt.c: Remove.
	* gdb.dwarf2/corrupt.exp: Use main.c.
	* gdb.dwarf2/dw2-bad-elf.c: Remove.
	* gdb.dwarf2/dw2-bad-elf.exp: Use main.c.
	* gdb.dwarf2/dw2-icycle.c: Remove.
	* gdb.dwarf2/dw2-icycle.exp: Use main.c.
	* gdb.dwarf2/formdata16.c: Remove.
	* gdb.dwarf2/formdata16.exp: Use main.c.
	* gdb.dwarf2/implptrconst.c: Remove.
	* gdb.dwarf2/implptrconst.exp: Use main.c.
	* gdb.dwarf2/info-locals-optimized-out.c: Remove.
	* gdb.dwarf2/info-locals-optimized-out.exp: Use main.c.
	* gdb.dwarf2/opaque-type-lookup.c: Remove.
	* gdb.dwarf2/opaque-type-lookup.exp: Use main.c.

21 files changed, 33 insertions, 232 deletions

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 291599589ec..8ece61dc4a3 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,5 +1,28 @@
 2020-10-20  Tom de Vries  <tdevries@suse.de>
 
+	* gdb.dwarf2/arr-stride.c: Remove.
+	* gdb.dwarf2/arr-stride.exp: Use main.c.
+	* gdb.dwarf2/arr-subrange.c: Remove.
+	* gdb.dwarf2/arr-subrange.exp: Use main.c.
+	* gdb.dwarf2/bad-regnum.c: Remove.
+	* gdb.dwarf2/bad-regnum.exp: Use main.c.
+	* gdb.dwarf2/corrupt.c: Remove.
+	* gdb.dwarf2/corrupt.exp: Use main.c.
+	* gdb.dwarf2/dw2-bad-elf.c: Remove.
+	* gdb.dwarf2/dw2-bad-elf.exp: Use main.c.
+	* gdb.dwarf2/dw2-icycle.c: Remove.
+	* gdb.dwarf2/dw2-icycle.exp: Use main.c.
+	* gdb.dwarf2/formdata16.c: Remove.
+	* gdb.dwarf2/formdata16.exp: Use main.c.
+	* gdb.dwarf2/implptrconst.c: Remove.
+	* gdb.dwarf2/implptrconst.exp: Use main.c.
+	* gdb.dwarf2/info-locals-optimized-out.c: Remove.
+	* gdb.dwarf2/info-locals-optimized-out.exp: Use main.c.
+	* gdb.dwarf2/opaque-type-lookup.c: Remove.
+	* gdb.dwarf2/opaque-type-lookup.exp: Use main.c.
+
+2020-10-20  Tom de Vries  <tdevries@suse.de>
+
 	* gdb.dwarf2/ada-valprint-error.exp: Remove redundant mention of .exp
 	file.
 	* gdb.dwarf2/dw2-dir-file-name.exp: Same.
diff --git a/gdb/testsuite/gdb.dwarf2/arr-stride.c b/gdb/testsuite/gdb.dwarf2/arr-stride.c
deleted file mode 100644
index 01087518a89..00000000000
--- a/gdb/testsuite/gdb.dwarf2/arr-stride.c
+++ /dev/null
@@ -1,20 +0,0 @@
-/* Copyright 2014-2020 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 3 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, see <http://www.gnu.org/licenses/>.  */
-
-int
-main (void)
-{
-  return 0;
-}
diff --git a/gdb/testsuite/gdb.dwarf2/arr-stride.exp b/gdb/testsuite/gdb.dwarf2/arr-stride.exp
index e8bff357b06..a3d2239d6dc 100644
--- a/gdb/testsuite/gdb.dwarf2/arr-stride.exp
+++ b/gdb/testsuite/gdb.dwarf2/arr-stride.exp
@@ -19,7 +19,7 @@ if {![dwarf2_support]} {
     return 0
 }
 
-standard_testfile .c -dw.S
+standard_testfile main.c -dw.S
 
 # Make some DWARF for the test.
 set asm_file [standard_output_file $srcfile2]
diff --git a/gdb/testsuite/gdb.dwarf2/arr-subrange.c b/gdb/testsuite/gdb.dwarf2/arr-subrange.c
deleted file mode 100644
index 9bfe1d627f2..00000000000
--- a/gdb/testsuite/gdb.dwarf2/arr-subrange.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Copyright 2014-2020 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 3 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, see <http://www.gnu.org/licenses/>.  */
-
-int
-main (void)
-{
-  asm ("main_label: .globl main_label");
-  return 0;
-}
diff --git a/gdb/testsuite/gdb.dwarf2/arr-subrange.exp b/gdb/testsuite/gdb.dwarf2/arr-subrange.exp
index 7c8250413b0..495d97e0fbd 100644
--- a/gdb/testsuite/gdb.dwarf2/arr-subrange.exp
+++ b/gdb/testsuite/gdb.dwarf2/arr-subrange.exp
@@ -19,7 +19,7 @@ if {![dwarf2_support]} {
     return 0
 }
 
-standard_testfile .c -dw.S
+standard_testfile main.c -dw.S
 
 # Make some DWARF for the test.
 set asm_file [standard_output_file $srcfile2]
diff --git a/gdb/testsuite/gdb.dwarf2/bad-regnum.c b/gdb/testsuite/gdb.dwarf2/bad-regnum.c
deleted file mode 100644
index ebcb0c6e31b..00000000000
--- a/gdb/testsuite/gdb.dwarf2/bad-regnum.c
+++ /dev/null
@@ -1,22 +0,0 @@
-/* Copyright 2015-2020 Free Software Foundation, Inc.
-
-   This file is part of GDB.
-
-   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 3 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, see <http://www.gnu.org/licenses/>.  */
-
-int
-main ()
-{
-  return 0;
-}
diff --git a/gdb/testsuite/gdb.dwarf2/bad-regnum.exp b/gdb/testsuite/gdb.dwarf2/bad-regnum.exp
index 5a4d91d911a..acd739f7a50 100644
--- a/gdb/testsuite/gdb.dwarf2/bad-regnum.exp
+++ b/gdb/testsuite/gdb.dwarf2/bad-regnum.exp
@@ -20,7 +20,7 @@ if {![dwarf2_support]} {
     return 0
 }
 
-standard_testfile .c -dw.S
+standard_testfile main.c -dw.S
 
 # Make some DWARF for the test.
 set asm_file [standard_output_file $srcfile2]
diff --git a/gdb/testsuite/gdb.dwarf2/corrupt.c b/gdb/testsuite/gdb.dwarf2/corrupt.c
deleted file mode 100644
index e99760d7a9c..00000000000
--- a/gdb/testsuite/gdb.dwarf2/corrupt.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/* This testcase is part of GDB, the GNU debugger.
-
-   Copyright 2014-2020 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 3 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, see <http://www.gnu.org/licenses/>.  */
-
-/* Dummy main function.  */
-
-int
-main (void)
-{
-  return 0;
-}
diff --git a/gdb/testsuite/gdb.dwarf2/corrupt.exp b/gdb/testsuite/gdb.dwarf2/corrupt.exp
index d89beb596e9..f78c865fad8 100644
--- a/gdb/testsuite/gdb.dwarf2/corrupt.exp
+++ b/gdb/testsuite/gdb.dwarf2/corrupt.exp
@@ -22,7 +22,7 @@ if {![dwarf2_support]} {
     return 0
 }
 
-standard_testfile .c .S
+standard_testfile main.c .S
 
 # Make the DWARF used for the test.
 #
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-bad-elf.c b/gdb/testsuite/gdb.dwarf2/dw2-bad-elf.c
deleted file mode 100644
index 8e6193ee597..00000000000
--- a/gdb/testsuite/gdb.dwarf2/dw2-bad-elf.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Copyright 2019-2020 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 3 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, see <http://www.gnu.org/licenses/>.  */
-
-int
-main ()
-{
-  asm ("main_label: .globl main_label");
-  return 0;
-}
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-bad-elf.exp b/gdb/testsuite/gdb.dwarf2/dw2-bad-elf.exp
index c06a605e5de..a85d3430a75 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-bad-elf.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-bad-elf.exp
@@ -34,7 +34,7 @@ if {![dwarf2_support]} {
     return 0
 }
 
-standard_testfile .c -other.S -dwarf.S
+standard_testfile main.c -other.S -dwarf.S
 
 # Make some DWARF for the test.
 set asm_file [standard_output_file $srcfile3]
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-icycle.c b/gdb/testsuite/gdb.dwarf2/dw2-icycle.c
deleted file mode 100644
index 7d8ecfe10dd..00000000000
--- a/gdb/testsuite/gdb.dwarf2/dw2-icycle.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/* This testcase is part of GDB, the GNU debugger.
-
-   Copyright 2004-2020 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 3 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, see <http://www.gnu.org/licenses/>.  */
-
-/* Dummy main function.  */
-
-int
-main()
-{
-  return 0;
-}
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-icycle.exp b/gdb/testsuite/gdb.dwarf2/dw2-icycle.exp
index 4e8f01b2525..9a01808528c 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-icycle.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-icycle.exp
@@ -22,7 +22,7 @@ if {![dwarf2_support]} {
     return 0
 }
 
-standard_testfile .S .c
+standard_testfile .S main.c
 
 if { [prepare_for_testing "failed to prepare" ${testfile} \
 	  [list $srcfile $srcfile2] {nodebug}] } {
diff --git a/gdb/testsuite/gdb.dwarf2/formdata16.c b/gdb/testsuite/gdb.dwarf2/formdata16.c
deleted file mode 100644
index dc9d154113a..00000000000
--- a/gdb/testsuite/gdb.dwarf2/formdata16.c
+++ /dev/null
@@ -1,22 +0,0 @@
-/* This testcase is part of GDB, the GNU debugger.
-
-   Copyright 2017-2020 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 3 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, see <http://www.gnu.org/licenses/>.  */
-
-int
-main ()
-{
-  return 0;
-}
diff --git a/gdb/testsuite/gdb.dwarf2/formdata16.exp b/gdb/testsuite/gdb.dwarf2/formdata16.exp
index 0a664a9b13c..dc908a10f56 100644
--- a/gdb/testsuite/gdb.dwarf2/formdata16.exp
+++ b/gdb/testsuite/gdb.dwarf2/formdata16.exp
@@ -20,7 +20,7 @@ if {![dwarf2_support]} {
     return 0  
 }
 
-standard_testfile .c -dw.S
+standard_testfile main.c -dw.S
 
 # We need to know the endianess in order
 # to write some of the debugging info we'd like to generate.
diff --git a/gdb/testsuite/gdb.dwarf2/implptrconst.c b/gdb/testsuite/gdb.dwarf2/implptrconst.c
deleted file mode 100644
index be3f852a79d..00000000000
--- a/gdb/testsuite/gdb.dwarf2/implptrconst.c
+++ /dev/null
@@ -1,22 +0,0 @@
-/* This testcase is part of GDB, the GNU debugger.
-
-   Copyright 2013-2020 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 3 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, see <http://www.gnu.org/licenses/>.  */
-
-int
-main ()
-{
-  return 0;
-}
diff --git a/gdb/testsuite/gdb.dwarf2/implptrconst.exp b/gdb/testsuite/gdb.dwarf2/implptrconst.exp
index 7de2df452ae..2cd8bf89092 100644
--- a/gdb/testsuite/gdb.dwarf2/implptrconst.exp
+++ b/gdb/testsuite/gdb.dwarf2/implptrconst.exp
@@ -22,7 +22,7 @@ if {![dwarf2_support]} {
 
 if { [skip_cplus_tests] } { continue }
 
-standard_testfile .c -dw.S
+standard_testfile main.c -dw.S
 
 # Make some DWARF for the test.
 set asm_file [standard_output_file $srcfile2]
diff --git a/gdb/testsuite/gdb.dwarf2/info-locals-optimized-out.c b/gdb/testsuite/gdb.dwarf2/info-locals-optimized-out.c
deleted file mode 100644
index dc4137f9d66..00000000000
--- a/gdb/testsuite/gdb.dwarf2/info-locals-optimized-out.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/* This testcase is part of GDB, the GNU debugger.
-
-   Copyright 2017-2020 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 3 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, see <http://www.gnu.org/licenses/>.  */
-
-int
-main (void)
-{
-  asm ("main_label: .globl main_label");
-  return 0;
-}
diff --git a/gdb/testsuite/gdb.dwarf2/info-locals-optimized-out.exp b/gdb/testsuite/gdb.dwarf2/info-locals-optimized-out.exp
index 33ce4a00546..210acc18641 100644
--- a/gdb/testsuite/gdb.dwarf2/info-locals-optimized-out.exp
+++ b/gdb/testsuite/gdb.dwarf2/info-locals-optimized-out.exp
@@ -22,7 +22,7 @@ if {![dwarf2_support]} {
     return 0
 }
 
-standard_testfile .c -dw.S
+standard_testfile main.c -dw.S
 
 # Make some DWARF for the test.
 
diff --git a/gdb/testsuite/gdb.dwarf2/opaque-type-lookup.c b/gdb/testsuite/gdb.dwarf2/opaque-type-lookup.c
deleted file mode 100644
index 3bd3f1fc1e7..00000000000
--- a/gdb/testsuite/gdb.dwarf2/opaque-type-lookup.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/* This testcase is part of GDB, the GNU debugger.
-
-   Copyright 2015-2020 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 3 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, see <http://www.gnu.org/licenses/>.  */
-
-int
-main()
-{
-  asm ("main_label: .globl main_label");
-  return 0;
-}
diff --git a/gdb/testsuite/gdb.dwarf2/opaque-type-lookup.exp b/gdb/testsuite/gdb.dwarf2/opaque-type-lookup.exp
index 118db2270d1..675992fc051 100644
--- a/gdb/testsuite/gdb.dwarf2/opaque-type-lookup.exp
+++ b/gdb/testsuite/gdb.dwarf2/opaque-type-lookup.exp
@@ -22,7 +22,7 @@ if {![dwarf2_support]} {
     return 0
 }
 
-standard_testfile .c -1.S -2.c
+standard_testfile main.c -1.S -2.c
 
 # Create the DWARF.
 set asm_file [standard_output_file $srcfile2]