[src/trunk]: src/tests/usr.bin/ld Test object reordering by script.

[uebayasi <uebayasi%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2d34959f07aa
branches:  trunk
changeset: 333722:2d34959f07aa
user:      uebayasi <uebayasi%NetBSD.org@localhost>
date:      Sat Nov 15 04:23:48 2014 +0000

description:
Test object reordering by script.

diffstat:

 tests/usr.bin/ld/t_script.sh |  122 +++++++++++++++++++++++++++++++++---------
 1 files changed, 96 insertions(+), 26 deletions(-)

diffs (153 lines):

diff -r b1302b9a35c4 -r 2d34959f07aa tests/usr.bin/ld/t_script.sh
--- a/tests/usr.bin/ld/t_script.sh      Sat Nov 15 03:47:29 2014 +0000
+++ b/tests/usr.bin/ld/t_script.sh      Sat Nov 15 04:23:48 2014 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: t_script.sh,v 1.3 2014/11/15 03:47:29 uebayasi Exp $
+#      $NetBSD: t_script.sh,v 1.4 2014/11/15 04:23:48 uebayasi Exp $
 #
 # Copyright (c) 2014 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -27,34 +27,63 @@
 
 ################################################################################
 
-atf_test_case order
-order_head() {
-       atf_set "descr" "check if object ordering work"
+atf_test_case order_default
+order_default_head() {
+       atf_set "descr" "check if default object ordering works"
+       atf_set "require.progs" "cc" "ld" "readelf" "nm" "sed" "grep"
+}
+
+order_default_body() {
+       order_compile
+       cat > test.x << EOF
+SECTIONS {
+       /* do nothing */
+}
+EOF
+       order_assert_descending
+}
+
+################################################################################
+
+atf_test_case order_merge
+order_merge_head() {
+       atf_set "descr" "check if glob merge doesn't change ordering"
        atf_set "require.progs" "cc" "ld" "readelf" "nm" "sed" "grep"
 }
 
-order_body() {
-       for i in a b c; do
-               cat > $i.c << EOF
-#include <sys/cdefs.h>
-char $i __section(".data.$i") = '$i';
-EOF
-       done
-       cat > test.c << EOF
-int main(void) { return 0; }
+order_merge_body() {
+       order_compile
+       cat > test.x << EOF
+SECTIONS {
+       .data : {
+               *(.data .data.*)
+       }
+}
 EOF
-       # c -> b -> a
-       atf_check -s exit:0 -o ignore -e ignore \
-           cc -o test test.c c.c b.c a.c
-       extract_symbol_names test |
-       grep '^[abc]$' >test.syms
-       {
-               match c &&
-               match b &&
-               match a &&
-               :
-       } <test.syms
-       atf_check test "$?" -eq 0
+       order_assert_descending
+}
+
+################################################################################
+
+atf_test_case reorder
+reorder_head() {
+       atf_set "descr" "check if reordering works"
+       atf_set "require.progs" "cc" "ld" "readelf" "nm" "sed" "grep"
+}
+
+reorder_body() {
+       order_compile
+       cat > test.x << EOF
+SECTIONS {
+       .data : {
+               *(.data)
+               *(.data.a)
+               *(.data.b)
+               *(.data.c)
+       }
+}
+EOF
+       order_assert_ascending
 }
 
 ################################################################################
@@ -99,6 +128,45 @@
 
 ################################################################################
 
+order_compile() {
+       for i in a b c; do
+               cat > $i.c << EOF
+#include <sys/cdefs.h>
+char $i __section(".data.$i") = '$i';
+EOF
+               atf_check -s exit:0 -o ignore -e ignore cc -c $i.c
+       done
+       cat > test.c << EOF
+int main(void) { return 0; }
+EOF
+       atf_check -s exit:0 -o ignore -e ignore cc -c test.c
+}
+
+order_link() {
+       atf_check -s exit:0 -o ignore -e ignore \
+           ld -r -T test.x -Map test.map -o x.o c.o b.o a.o
+       atf_check -s exit:0 -o ignore -e ignore \
+           cc -o test test.o x.o
+       extract_symbol_names test |
+       grep '^[abc]$' >test.syms
+}
+
+order_assert_ascending() {
+       order_assert_order a b c
+}
+
+order_assert_descending() {
+       order_assert_order c b a
+}
+
+order_assert_order() {
+       order_link
+       {
+               match $1 && match $2 && match $3
+       } <test.syms
+       atf_check test "$?" -eq 0
+}
+
 extract_section_names() {
        readelf -S "$1" |
        sed -ne '/\] \./ { s/^.*\] //; s/ .*$//; p }'
@@ -131,6 +199,8 @@
 
 atf_init_test_cases()
 {
-       atf_add_test_case order
+       atf_add_test_case order_default
+       atf_add_test_case order_merge
+       atf_add_test_case reorder
        atf_add_test_case multisec
 }