[v2,6/6] LoongArch: Add more relaxation testcases
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Commit Message
1. .so relaxation testcase
2. ld --no-relax testcase
3. segment alignment testcase
---
.../ld-loongarch-elf/relax-segment-max.s | 12 +++
.../ld-loongarch-elf/relax-segment-min.s | 12 +++
ld/testsuite/ld-loongarch-elf/relax-so.s | 4 +
ld/testsuite/ld-loongarch-elf/relax.exp | 80 +++++++++++++++++--
4 files changed, 103 insertions(+), 5 deletions(-)
create mode 100644 ld/testsuite/ld-loongarch-elf/relax-segment-max.s
create mode 100644 ld/testsuite/ld-loongarch-elf/relax-segment-min.s
create mode 100644 ld/testsuite/ld-loongarch-elf/relax-so.s
new file mode 100644
@@ -0,0 +1,12 @@
+# The .align may cause overflow because deleting nops.
+ .text # 0x120004000
+ .align 3
+ la.local $r12, .L1
+
+# .fill 0x1f7ffc # max fill without overflow, .data address is 0x120200000
+# .fill 0x1f8000 # min fill with overflow, .data address is 0x120204000
+ .fill 0x1fbff4 # max fill with overflow, .data address is 0x120204000
+
+ .data
+.L1:
+ .byte 2
new file mode 100644
@@ -0,0 +1,12 @@
+# The .align may cause overflow because deleting nops.
+ .text # 0x120004000
+ .align 3
+ la.local $r12, .L1
+
+# .fill 0x1f7ffc # max fill without overflow, .data address is 0x120200000
+ .fill 0x1f8000 # min fill with overflow, .data address is 0x120204000
+# .fill 0x1fbff4 # max fill with overflow, .data address is 0x120204000
+
+ .data
+.L1:
+ .byte 2
new file mode 100644
@@ -0,0 +1,4 @@
+.text
+.align 2
+.L1:
+ la.local $r12, .L1
@@ -22,7 +22,7 @@
if [istarget loongarch64-*-*] {
if [isbuild loongarch64-*-*] {
- set testname "loongarch relax build"
+ set testname "loongarch relax .exe build"
set pre_builds [list \
[list \
"$testname" \
@@ -39,17 +39,87 @@ if [istarget loongarch64-*-*] {
if [file exist "tmpdir/relax"] {
set objdump_output [run_host_cmd "objdump" "-d tmpdir/relax"]
if { [ regexp ".*pcaddi.*pcaddi.*" $objdump_output] } {
- pass "loongarch relax"
+ pass "loongarch relax .exe"
} {
- fail "loongarch relax"
+ fail "loongarch relax .exe"
}
}
+
+ set testname "loongarch ld --no-relax build"
+ set pre_builds [list \
+ [list \
+ "$testname" \
+ "-Wl,--no-relax" \
+ "" \
+ {relax.s} \
+ {} \
+ "norelax" \
+ ] \
+ ]
+
+ run_cc_link_tests $pre_builds
+
+ if [file exist "tmpdir/norelax"] {
+ set objdump_output [run_host_cmd "objdump" "-d tmpdir/norelax"]
+ if { [ regexp ".*pcaddi.*" $objdump_output] } {
+ fail "loongarch ld --no-relax"
+ } {
+ pass "loongarch ld --no-relax"
+ }
+ }
+
+ run_ld_link_tests \
+ [list \
+ [list \
+ "loongarch relax .so build" \
+ "-shared -e 0x0" "" \
+ "" \
+ {relax-so.s} \
+ {} \
+ "relax-so" \
+ ] \
+ ]
+
+ if [file exist "tmpdir/relax-so"] {
+ set objdump_output [run_host_cmd "objdump" "-d tmpdir/relax-so"]
+ if { [ regexp ".*pcaddi.*" $objdump_output] } {
+ pass "loongarch relax .so"
+ } {
+ fail "loongarch relax .so"
+ }
+ }
+
+ # If symbol in data segment, offset need to sub segment align to prevent
+ # overflow.
+ run_ld_link_tests \
+ [list \
+ [list \
+ "loongarch relax segment alignment min" \
+ "-e0 -Ttext 0x120004000 -pie -z relro" "" \
+ "" \
+ {relax-segment-min.s} \
+ {} \
+ "relax-segment-min" \
+ ] \
+ ]
+
+ run_ld_link_tests \
+ [list \
+ [list \
+ "loongarch relax segment alignment max" \
+ "-e0 -Ttext 0x120004000 -pie -z relro" "" \
+ "" \
+ {relax-segment-max.s} \
+ {} \
+ "relax-segment-max" \
+ ] \
+ ]
}
run_ld_link_tests \
[list \
[list \
- "relax-align" \
+ "loongarch relax-align" \
"-e 0x0 -z relro" "" \
"" \
{relax-align.s} \
@@ -64,7 +134,7 @@ if [istarget loongarch64-*-*] {
run_ld_link_tests \
[list \
[list \
- "uleb128" \
+ "loongarch uleb128" \
"-e 0x0" "" \
"" \
{uleb128.s} \