[PATCH V2] testsuite: support mold linker

["Martin Liška" <mliska@suse.cz>]

Mold linker demotes symbols like main to be local and the patch
adjusts expected output from nm.

Moreover, simplify the patterns and remove accidental type 'D' that
is supported value for _?main functions.
---
 binutils/testsuite/binutils-all/addr2line.exp | 4 ++--
 binutils/testsuite/binutils-all/objcopy.exp   | 6 ++----
 libbacktrace/Makefile.am                      | 2 +-
 libbacktrace/Makefile.in                      | 2 +-
 4 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/binutils/testsuite/binutils-all/addr2line.exp b/binutils/testsuite/binutils-all/addr2line.exp
index 66a2d5d32a0..957ae55df33 100644
--- a/binutils/testsuite/binutils-all/addr2line.exp
+++ b/binutils/testsuite/binutils-all/addr2line.exp
@@ -34,7 +34,7 @@ if { [target_compile $srcdir/$subdir/testprog.c tmpdir/testprog executable debug
 #testcase for default option.
 #Run nm command and input the main symbol address to addr2line.
 set output [binutils_run $NM "$opts tmpdir/testprog$exe"]
-if ![regexp -line "^(\[0-9a-fA-F\]+)? +T ${dot}main" $output contents] then {
+if ![regexp -line "^(\[0-9a-fA-F\]+)? +\[Tt\] ${dot}main" $output contents] then {
     fail "$testname"
 } else {
     set list [regexp -inline -all -- {\S+} $contents]
@@ -49,7 +49,7 @@ if ![regexp -line "^(\[0-9a-fA-F\]+)? +T ${dot}main" $output contents] then {
 
 #testcase for -f option.
 #Run nm command and input the fn function symbol address to addr2line.
-if ![regexp -line "^(\[0-9a-fA-F\]+)? +T ${dot}fn" $output contents] then {
+if ![regexp -line "^(\[0-9a-fA-F\]+)? +\[Tt\] ${dot}fn" $output contents] then {
     fail "$testname -f option"
 } else {
     set list [regexp -inline -all -- {\S+} $contents]
diff --git a/binutils/testsuite/binutils-all/objcopy.exp b/binutils/testsuite/binutils-all/objcopy.exp
index de6f3aaaef2..7a1a36b9b57 100644
--- a/binutils/testsuite/binutils-all/objcopy.exp
+++ b/binutils/testsuite/binutils-all/objcopy.exp
@@ -652,8 +652,7 @@ proc strip_test_with_saving_a_symbol { } {
 
     set exec_output [binutils_run $NM "$NMFLAGS $objfile"]
     set exec_output [prune_warnings $exec_output]
-    if {![regexp {^([0-9a-fA-F]+)?[ ]+[TD] main} $exec_output] \
-         && ![regexp {^([0-9a-fA-F]+)?[ ]+T _main} $exec_output]} {
+    if {![regexp {^([0-9a-fA-F]+)?[ ]+[tT] _?main} $exec_output]} {
 	fail $test
 	return
     }
@@ -902,8 +901,7 @@ proc strip_executable_with_saving_a_symbol { prog flags test1 test2 } {
 	regsub "^\[0-9a-fA-F\]+\[ \]+T Main\[\n\r\]+" $exec_output "" exec_output
     }
 
-    if {![regexp {^([0-9a-fA-F]+)?[ ]+[TD] main} $exec_output] \
-         && ![regexp {^([0-9a-fA-F]+)?[ ]+[TD] _main} $exec_output]} {
+    if {![regexp {^([0-9a-fA-F]+)?[ ]+[Tt] _?main} $exec_output]} {
 	fail $test1
 	return
     }
diff --git a/libbacktrace/Makefile.am b/libbacktrace/Makefile.am
index 8874f41338a..bf9d30a382c 100644
--- a/libbacktrace/Makefile.am
+++ b/libbacktrace/Makefile.am
@@ -498,7 +498,7 @@ TESTS += mtest_minidebug
 
 %_minidebug: %
 	$(NM) -D $< -P --defined-only | $(AWK) '{ print $$1 }' | sort > $<.dsyms
-	$(NM) $< -P --defined-only | $(AWK) '{ if ($$2 == "T" || $$2 == "t" || $$2 == "D") print $$1 }' | sort > $<.fsyms
+	$(NM) $< -P --defined-only | $(AWK) '{ if ($$2 == "T" || $$2 == "t" || $$2 == "D" || $$2 == "d") print $$1 }' | sort > $<.fsyms
 	$(COMM) -13 $<.dsyms $<.fsyms > $<.keepsyms
 	$(OBJCOPY) --only-keep-debug $< $<.dbg
 	$(OBJCOPY) -S --remove-section .gdb_index --remove-section .comment --keep-symbols=$<.keepsyms $<.dbg $<.mdbg
diff --git a/libbacktrace/Makefile.in b/libbacktrace/Makefile.in
index 2ba8dfa8428..5167ca80ad1 100644
--- a/libbacktrace/Makefile.in
+++ b/libbacktrace/Makefile.in
@@ -2459,7 +2459,7 @@ uninstall-am:
 
 @HAVE_MINIDEBUG_TRUE@@NATIVE_TRUE@%_minidebug: %
 @HAVE_MINIDEBUG_TRUE@@NATIVE_TRUE@	$(NM) -D $< -P --defined-only | $(AWK) '{ print $$1 }' | sort > $<.dsyms
-@HAVE_MINIDEBUG_TRUE@@NATIVE_TRUE@	$(NM) $< -P --defined-only | $(AWK) '{ if ($$2 == "T" || $$2 == "t" || $$2 == "D") print $$1 }' | sort > $<.fsyms
+@HAVE_MINIDEBUG_TRUE@@NATIVE_TRUE@	$(NM) $< -P --defined-only | $(AWK) '{ if ($$2 == "T" || $$2 == "t" || $$2 == "D" || $$2 == "d") print $$1 }' | sort > $<.fsyms
 @HAVE_MINIDEBUG_TRUE@@NATIVE_TRUE@	$(COMM) -13 $<.dsyms $<.fsyms > $<.keepsyms
 @HAVE_MINIDEBUG_TRUE@@NATIVE_TRUE@	$(OBJCOPY) --only-keep-debug $< $<.dbg
 @HAVE_MINIDEBUG_TRUE@@NATIVE_TRUE@	$(OBJCOPY) -S --remove-section .gdb_index --remove-section .comment --keep-symbols=$<.keepsyms $<.dbg $<.mdbg
-- 
2.38.1