[pushed 1/5] [gdb/testsuite] Fix gdb.arch/amd64*.exp with local-remote-host-native.exp

[Tom de Vries <tdevries@suse.de>]

There's a number of gdb.arch/amd64*.exp test-cases that fail with host+target
board local-remote-host-native.exp because of using a .S file, generated from
a .c file.

If a test-case compiles the .S file when executing on remote host,
the .S file is already copied from build to host, such that it's available for
the compiler.

But that's not the case for the .c file, which is needed by gdb to show a
source line:
...
(gdb) continue^M
Continuing.^M
^M
Breakpoint 2, fn2 (y=y@entry=25, x=x@entry=6) at amd64-entry-value-inline.c:32^M
32      in gdb.arch/amd64-entry-value-inline.c^M
(gdb) FAIL: gdb.arch/amd64-entry-value-inline.exp: continue to breakpoint: \
  break-here
...

Fix this by using "gdb_remote_download host <.c file>".

Tested on x86_64-linux, with host+target board local-remote-host-native.
---
 gdb/testsuite/gdb.arch/amd64-entry-value-inline.exp  | 12 ++++++++----
 .../gdb.arch/amd64-entry-value-param-dwarf5.exp      | 10 +++++++---
 gdb/testsuite/gdb.arch/amd64-entry-value-param.exp   | 10 +++++++---
 .../gdb.arch/amd64-entry-value-paramref.exp          |  8 ++++++--
 gdb/testsuite/gdb.arch/amd64-tailcall-ret.exp        |  9 +++++++--
 5 files changed, 35 insertions(+), 14 deletions(-)

diff --git a/gdb/testsuite/gdb.arch/amd64-entry-value-inline.exp b/gdb/testsuite/gdb.arch/amd64-entry-value-inline.exp
index 774b90bcdb0..d9920146fa4 100644
--- a/gdb/testsuite/gdb.arch/amd64-entry-value-inline.exp
+++ b/gdb/testsuite/gdb.arch/amd64-entry-value-inline.exp
@@ -14,16 +14,21 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 set opts {}
-standard_testfile .S
+standard_testfile .S .c
 
 if [info exists COMPILE] {
     # make check RUNTESTFLAGS="gdb.arch/amd64-entry-value-inline.exp COMPILE=1"
-    standard_testfile
+    standard_testfile .c .c
     lappend opts debug optimize=-O2
 } else {
     require is_x86_64_m64_target
 }
 
+# Make .c available on the host.
+if [is_remote host] {
+    gdb_remote_download host $srcdir/$subdir/$srcfile2
+}
+
 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} $opts] } {
     return -1
 }
@@ -32,8 +37,7 @@ if ![runto_main] {
     return -1
 }
 
-set srcfile $testfile.c
-gdb_breakpoint [gdb_get_line_number "break-here"]
+gdb_breakpoint [gdb_get_line_number "break-here" $srcfile2]
 
 gdb_continue_to_breakpoint "break-here" ".* break-here .*"
 gdb_test "p y" " = 25"
diff --git a/gdb/testsuite/gdb.arch/amd64-entry-value-param-dwarf5.exp b/gdb/testsuite/gdb.arch/amd64-entry-value-param-dwarf5.exp
index f6d11b26cc7..17a92bdcbf5 100644
--- a/gdb/testsuite/gdb.arch/amd64-entry-value-param-dwarf5.exp
+++ b/gdb/testsuite/gdb.arch/amd64-entry-value-param-dwarf5.exp
@@ -18,12 +18,17 @@ set opts {}
 
 if [info exists COMPILE] {
     # make check RUNTESTFLAGS="gdb.arch/amd64-entry-value-param-dwarf5.exp COMPILE=1"
-    set srcfile ${srcfile2}
+    standard_testfile .c .c
     lappend opts optimize=-O2 additional_flags=-gdwarf-5
 } else {
     require is_x86_64_m64_target
 }
 
+# Make .c available on the host.
+if [is_remote host] {
+    gdb_remote_download host $srcdir/$subdir/$srcfile2
+}
+
 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} $opts] } {
     return -1
 }
@@ -32,8 +37,7 @@ if ![runto_main] {
     return -1
 }
 
-set srcfile $srcfile2
-gdb_breakpoint [gdb_get_line_number "break-here"]
+gdb_breakpoint [gdb_get_line_number "break-here" $srcfile2]
 
 with_test_prefix "call 1" {
     gdb_continue_to_breakpoint "break-here" ".* break-here .*"
diff --git a/gdb/testsuite/gdb.arch/amd64-entry-value-param.exp b/gdb/testsuite/gdb.arch/amd64-entry-value-param.exp
index da1445f51c2..504c534d654 100644
--- a/gdb/testsuite/gdb.arch/amd64-entry-value-param.exp
+++ b/gdb/testsuite/gdb.arch/amd64-entry-value-param.exp
@@ -18,12 +18,17 @@ set opts {}
 
 if [info exists COMPILE] {
     # make check RUNTESTFLAGS="gdb.arch/amd64-entry-value-param.exp COMPILE=1"
-    set srcfile ${srcfile2}
+    standard_testfile .c .c
     lappend opts debug optimize=-O2
 } else {
     require is_x86_64_m64_target
 }
 
+# Make .c available on the host.
+if [is_remote host] {
+    remote_download host $srcdir/$subdir/$srcfile2
+}
+
 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} $opts] } {
     return -1
 }
@@ -32,8 +37,7 @@ if ![runto_main] {
     return -1
 }
 
-set srcfile $srcfile2
-gdb_breakpoint [gdb_get_line_number "break-here"]
+gdb_breakpoint [gdb_get_line_number "break-here" $srcfile2]
 
 with_test_prefix "call 1" {
     gdb_continue_to_breakpoint "break-here" ".* break-here .*"
diff --git a/gdb/testsuite/gdb.arch/amd64-entry-value-paramref.exp b/gdb/testsuite/gdb.arch/amd64-entry-value-paramref.exp
index ff3e0242e9a..4b4f507dd82 100644
--- a/gdb/testsuite/gdb.arch/amd64-entry-value-paramref.exp
+++ b/gdb/testsuite/gdb.arch/amd64-entry-value-paramref.exp
@@ -17,6 +17,11 @@ standard_testfile .S .cc
 
 require is_x86_64_m64_target
 
+# Make .cc available on the host.
+if [is_remote host] {
+    gdb_remote_download host $srcdir/$subdir/$srcfile2
+}
+
 if { [prepare_for_testing_full "failed to prepare" \
 	  [list $testfile "c++" $srcfile {}]] } {
     return -1
@@ -26,8 +31,7 @@ if ![runto_main] {
     return -1
 }
 
-set srcfile $srcfile2
-gdb_breakpoint [gdb_get_line_number "break-here"]
+gdb_breakpoint [gdb_get_line_number "break-here" $srcfile2]
 
 gdb_continue_to_breakpoint "break-here" ".* break-here .*"
 gdb_test "frame" {bar \(ref=@0x[0-9a-f]+: 10, ref@entry=@0x[0-9a-f]+: <optimized out>\) at .*}
diff --git a/gdb/testsuite/gdb.arch/amd64-tailcall-ret.exp b/gdb/testsuite/gdb.arch/amd64-tailcall-ret.exp
index 1602aff5dc5..5ba435e5e72 100644
--- a/gdb/testsuite/gdb.arch/amd64-tailcall-ret.exp
+++ b/gdb/testsuite/gdb.arch/amd64-tailcall-ret.exp
@@ -14,16 +14,21 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 set opts {}
-standard_testfile .S
+standard_testfile .S .c
 
 if [info exists COMPILE] {
     # make check RUNTESTFLAGS="gdb.arch/amd64-tailcall-ret.exp COMPILE=1"
-    standard_testfile
+    standard_testfile .c .c
     lappend opts debug optimize=-O2
 } else {
     require is_x86_64_m64_target
 }
 
+# Make .c available on the host.
+if [is_remote host] {
+    gdb_remote_download host $srcdir/$subdir/$srcfile2
+}
+
 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} $opts] } {
     return -1
 }
-- 
2.35.3