diff options
| -rw-r--r-- | ld/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | ld/testsuite/ld-arm/arm-elf.exp | 3 | ||||
| -rw-r--r-- | ld/testsuite/ld-arm/thumb2-bl-blx-interwork.d | 71 | ||||
| -rw-r--r-- | ld/testsuite/ld-arm/thumb2-bl-blx-interwork.s | 87 |
4 files changed, 167 insertions, 0 deletions
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog index 91bb3ed..63c51ff 100644 --- a/ld/testsuite/ChangeLog +++ b/ld/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2009-05-01 Julian Brown <julian@codesourcery.com> + + * ld-arm/arm-elf.exp (armeabitests): Add thumb2-bl-blx-interwork test. + * ld-arm/thumb2-bl-blx-interwork.s: New. + * ld-arm/thumb2-bl-blx-interwork.d: New. + 2009-04-30 Nick Clifton <nickc@redhat.com> * ld-ifunc: New directory. diff --git a/ld/testsuite/ld-arm/arm-elf.exp b/ld/testsuite/ld-arm/arm-elf.exp index 04bbcf2..218bfb5 100644 --- a/ld/testsuite/ld-arm/arm-elf.exp +++ b/ld/testsuite/ld-arm/arm-elf.exp @@ -247,6 +247,9 @@ set armeabitests { {"Thumb-2 Interworked branch" "-T arm.ld" "" {thumb2-b-interwork.s} {{objdump -dr thumb2-b-interwork.d}} "thumb2-b-interwork"} + {"BL/BLX interworking" "-T arm.ld" "" {thumb2-bl-blx-interwork.s} + {{objdump -dr thumb2-bl-blx-interwork.d}} + "thumb2-bl-blx-interwork"} {"ARMv4 interworking" "-static -T arm.ld --fix-v4bx-interworking" "--fix-v4bx -meabi=4" {armv4-bx.s} {{objdump -d armv4-bx.d}} "armv4-bx"} diff --git a/ld/testsuite/ld-arm/thumb2-bl-blx-interwork.d b/ld/testsuite/ld-arm/thumb2-bl-blx-interwork.d new file mode 100644 index 0000000..ba5a732 --- /dev/null +++ b/ld/testsuite/ld-arm/thumb2-bl-blx-interwork.d @@ -0,0 +1,71 @@ + +.*: file format .* + + +Disassembly of section \.text: + +00008000 <_start>: + 8000: f000 e81a blx 8038 <arm0> + 8004: f000 e81e blx 8044 <arm4> + 8008: bf00 nop + 800a: f000 e816 blx 8038 <arm0> + 800e: f000 e81a blx 8044 <arm4> + 8012: bf00 nop + 8014: f000 f818 bl 8048 <thumb0> + 8018: f000 f81b bl 8052 <thumb2> + 801c: f000 f81e bl 805c <thumb4> + 8020: f000 f821 bl 8066 <thumb6> + 8024: bf00 nop + 8026: f000 f80f bl 8048 <thumb0> + 802a: f000 f812 bl 8052 <thumb2> + 802e: f000 f815 bl 805c <thumb4> + 8032: f000 f818 bl 8066 <thumb6> + 8036: bf00 nop + +00008038 <arm0>: + 8038: e12fff1e bx lr + 803c: e320f000 nop \{0\} + 8040: e320f000 nop \{0\} + +00008044 <arm4>: + 8044: e12fff1e bx lr + +00008048 <thumb0>: + 8048: 4770 bx lr + 804a: bf00 nop + 804c: f3af 8000 nop\.w + 8050: bf00 nop + +00008052 <thumb2>: + 8052: 4770 bx lr + 8054: f3af 8000 nop\.w + 8058: bf00 nop + 805a: bf00 nop + +0000805c <thumb4>: + 805c: 4770 bx lr + 805e: bf00 nop + 8060: bf00 nop + 8062: bf00 nop + 8064: bf00 nop + +00008066 <thumb6>: + 8066: 4770 bx lr + +00008068 <backwards>: + 8068: f7ff efe6 blx 8038 <arm0> + 806c: f7ff efea blx 8044 <arm4> + 8070: bf00 nop + 8072: f7ff efe2 blx 8038 <arm0> + 8076: f7ff efe6 blx 8044 <arm4> + 807a: bf00 nop + 807c: f7ff ffe4 bl 8048 <thumb0> + 8080: f7ff ffe7 bl 8052 <thumb2> + 8084: f7ff ffea bl 805c <thumb4> + 8088: f7ff ffed bl 8066 <thumb6> + 808c: bf00 nop + 808e: f7ff ffdb bl 8048 <thumb0> + 8092: f7ff ffde bl 8052 <thumb2> + 8096: f7ff ffe1 bl 805c <thumb4> + 809a: f7ff ffe4 bl 8066 <thumb6> + 809e: bf00 nop diff --git a/ld/testsuite/ld-arm/thumb2-bl-blx-interwork.s b/ld/testsuite/ld-arm/thumb2-bl-blx-interwork.s new file mode 100644 index 0000000..dba46af --- /dev/null +++ b/ld/testsuite/ld-arm/thumb2-bl-blx-interwork.s @@ -0,0 +1,87 @@ + .arch armv7-a + .global _start + .syntax unified + .text + .thumb + + .macro do_calls + @ The following four instructions are accepted by gas, but generate + @ meaningless code. + @bl.w arm0 + @bl.w arm4 + @nop + @bl.w arm0 + @bl.w arm4 + @nop + blx.w arm0 + blx.w arm4 + nop + blx.w arm0 + blx.w arm4 + nop + bl.w thumb0 + bl.w thumb2 + bl.w thumb4 + bl.w thumb6 + nop + bl.w thumb0 + bl.w thumb2 + bl.w thumb4 + bl.w thumb6 + nop + @ These eight are all accepted by gas, but generate bad code. + @blx.w thumb0 + @blx.w thumb2 + @blx.w thumb4 + @blx.w thumb6 + @nop + @blx.w thumb0 + @blx.w thumb2 + @blx.w thumb4 + @blx.w thumb6 + .endm + + .thumb_func + .align 3 +_start: + do_calls + + .arm + .align 3 +arm0: + bx lr + + .align 3 + nop +arm4: + bx lr + + .thumb + .thumb_func + .align 3 +thumb0: + bx lr + + .thumb_func + .align 3 + nop +thumb2: + bx lr + + .thumb_func + .align 3 + nop + nop +thumb4: + bx lr + + .thumb_func + .align 3 + nop + nop + nop +thumb6: + bx lr + +backwards: + do_calls |