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| author | Nick Clifton <nickc@redhat.com> | 2017-05-15 15:29:02 +0100 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2017-05-15 15:29:02 +0100 |
| commit | 52a86f843b6dee1de9977293da9786649b146b05 (patch) | |
| tree | 51bb23eaae6f8107c8256739bd57d25d050a7868 /gas/testsuite | |
| parent | b32465c97c12cc6049cefcde1beb3e2bfbfa232c (diff) | |
| download | gdb-52a86f843b6dee1de9977293da9786649b146b05.zip gdb-52a86f843b6dee1de9977293da9786649b146b05.tar.gz gdb-52a86f843b6dee1de9977293da9786649b146b05.tar.bz2 | |
Fix use of ARM ADR and ADRl pseudo-instructions with thumb function symbols.
PR gas/21458
* config/tc-arm.c (do_adr): If the ADR involves a thumb function
symbol, ensure that the T bit will be set.
(do_adrl): Likewise.
(do_t_adr): Likewise.
* testsuite/gas/arm/pr21458.s: New test.
* testsuite/gas/arm/pr21458.d: New test driver.
Diffstat (limited to 'gas/testsuite')
| -rw-r--r-- | gas/testsuite/gas/arm/pr21458.d | 27 | ||||
| -rw-r--r-- | gas/testsuite/gas/arm/pr21458.s | 40 |
2 files changed, 67 insertions, 0 deletions
diff --git a/gas/testsuite/gas/arm/pr21458.d b/gas/testsuite/gas/arm/pr21458.d new file mode 100644 index 0000000..c0b1d12 --- /dev/null +++ b/gas/testsuite/gas/arm/pr21458.d @@ -0,0 +1,27 @@ +#objdump: -d --prefix-addresses --show-raw-insn +#name: ADR(L) for Thumb functions +#skip: *-*-pe *-wince-* *-*-coff *-*-vxworks + +# Test that using ADR(L) on thumb function symbols sets the T bit. + +.*: +file format .*arm.* + +Disassembly of section .text: +0+00000 <.*> 4770[ ]+bx[ ]+lr +0+00002 <.*> 46c0[ ]+nop[ ]+; \(mov r8, r8\) +0+00004 <.*> e12fff1e[ ]+bx[ ]+lr +0+00008 <.*> f2af 000b[ ]+subw[ ]+r0, pc, #11 +0+0000c <.*> 4780[ ]+blx[ ]+r0 +0+0000e <.*> f2af 020c[ ]+subw[ ]+r2, pc, #12 +0+00012 <.*> 4790[ ]+blx[ ]+r2 +0+00014 <.*> e24f401b[ ]+sub[ ]+r4, pc, #27 +0+00018 <.*> e1a00000[ ]+nop[ ]+; \(mov r0, r0\) +0+0001c <.*> e12fff34[ ]+blx[ ]+r4 +0+00020 <.*> e24f6024[ ]+sub[ ]+r6, pc, #36[ ]+; 0x24 +0+00024 <.*> e1a00000[ ]+nop[ ]+; \(mov r0, r0\) +0+00028 <.*> e12fff36[ ]+blx[ ]+r6 +0+0002c <.*> e24f8033[ ]+sub[ ]+r8, pc, #51[ ]+; 0x33 +0+00030 <.*> e12fff38[ ]+blx[ ]+r8 +0+00034 <.*> e24fa038[ ]+sub[ ]+sl, pc, #56[ ]+; 0x38 +0+00038 <.*> e12fff3a[ ]+blx[ ]+sl +0+0003c <.*> 324fc043[ ]+subcc[ ]+ip, pc, #67[ ]+; 0x43 diff --git a/gas/testsuite/gas/arm/pr21458.s b/gas/testsuite/gas/arm/pr21458.s new file mode 100644 index 0000000..0d89b0c --- /dev/null +++ b/gas/testsuite/gas/arm/pr21458.s @@ -0,0 +1,40 @@ +.syntax unified +.thumb +.text +.align 2 +.global __thumbFn +.type __testFn, %function +.thumb_func +__thumbFn: + bx lr + nop + +.arm +.global __armFn +.type __armFn, %function +__armFn: + bx lr + +.thumb +.global __test_thumb +.type __test_thumb, %function +.thumb_func +__test_thumb: + ADR R0,__thumbFn + BLX R0 + ADR R2,__armFn + BLX R2 + +.arm +.global __test_arm +.type __test_arm, %function +__test_arm: + ADRL R4,__thumbFn + BLX R4 + ADRL R6,__armFn + BLX R6 + ADR r8, __thumbFn + blx r8 + ADR r10, __armFn + blx r10 + adrlo r12, __thumbFn |