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* [binutils-gdb] [gdb/testsuite] Make is_64_target more robust
@ 2023-05-12 9:43 Tom de Vries
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From: Tom de Vries @ 2023-05-12 9:43 UTC (permalink / raw)
To: gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=388f63c18f523ca32199adef33dbacbeeed3b62a
commit 388f63c18f523ca32199adef33dbacbeeed3b62a
Author: Tom de Vries <tdevries@suse.de>
Date: Fri May 12 11:43:41 2023 +0200
[gdb/testsuite] Make is_64_target more robust
I ran test-case gdb.dwarf2/opt-out-not-implptr.exp with make-check-all.sh, and
with target board dwarf64 ran into:
...
FAIL: gdb.dwarf2/opt-out-not-implptr.exp: print noptr
...
due to is_target_64 failing because of:
...
builtin_spawn -ignore SIGHUP gcc -fno-stack-protector \
-fdiagnostics-color=never -w -c -gdwarf64 -g -o is_64_target.o \
is_64_target.c^M
gcc: error: '-gdwarf64' is ambiguous; use '-gdwarf-64' for DWARF version or \
'-gdwarf -g64' for debug level^M
compiler exited with status 1
...
The FAIL is the same FAIL I run into with target board unix/-m32: is_target_64
fails for both cases.
The reason that is_target_64 is failing for target board dwarf64, is because
of using system compiler 7.5.0 which doesn't support -gdwarf64.
Fix this by making is_target_64 use nodebug instead of debug for compilation.
Tested on x86_64-linux.
Diff:
---
gdb/testsuite/lib/gdb.exp | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index 50c10333df1..010da097766 100644
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -3492,7 +3492,7 @@ gdb_caching_proc is_lp64_target {} {
# This cannot be decided simply from looking at the target string,
# as it might depend on externally passed compiler options like -m64.
gdb_caching_proc is_64_target {} {
- return [gdb_can_simple_compile is_64_target {
+ return [gdb_can_simple_compile_nodebug is_64_target {
int function(void) { return 3; }
int dummy[sizeof (&function) == 8 ? 1 : -1];
}]
@@ -4736,6 +4736,13 @@ proc gdb_can_simple_compile {name code {type object} {compile_flags ""} {default
return $ret
}
+# As gdb_can_simple_compile, but defaults to using nodebug instead of debug.
+proc gdb_can_simple_compile_nodebug {name code {type object} {compile_flags ""}
+ {default_compile_flags "nodebug nowarning quiet"}} {
+ return [gdb_can_simple_compile $name $code $type $compile_flags \
+ $default_compile_flags]
+}
+
# Some targets need to always link a special object in. Save its path here.
global gdb_saved_set_unbuffered_mode_obj
set gdb_saved_set_unbuffered_mode_obj ""
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