diff options
| author | Julian Brown <julian@codesourcery.com> | 2011-10-18 14:41:55 +0000 |
|---|---|---|
| committer | Julian Brown <julian@codesourcery.com> | 2011-10-18 14:41:55 +0000 |
| commit | a415b1cd634be934d9d8b0ab73b942fc3af61db9 (patch) | |
| tree | 28a268b903b0d50f37d78bfb06f048006a5f216a /opcodes/arm-dis.c | |
| parent | 4af315526a36b17da6e2f2661d3c21efe935b5fb (diff) | |
| download | gdb-a415b1cd634be934d9d8b0ab73b942fc3af61db9.zip gdb-a415b1cd634be934d9d8b0ab73b942fc3af61db9.tar.gz gdb-a415b1cd634be934d9d8b0ab73b942fc3af61db9.tar.bz2 | |
Jie Zhang <jie@codesourcery.com>
Julian Brown <julian@codesourcery.com>
gas/
* config/tc-arm.c (parse_shifter_operand): Fix handling
of explicit rotation.
(encode_arm_shifter_operand): Likewise.
gas/testsuite/
* gas/arm/adrl.d: Adjust.
* gas/arm/immed2.d: New test.
* gas/arm/immed2.s: New test.
ld/testsuite/
* ld-arm/cortex-a8-fix-b-plt.d: Adjust.
* ld-arm/cortex-a8-fix-bcc-plt.d: Adjust.
* ld-arm/cortex-a8-fix-bl-plt.d: Adjust.
* ld-arm/cortex-a8-fix-bl-rel-plt.d: Adjust.
* ld-arm/cortex-a8-fix-blx-plt.d: Adjust.
* ld-arm/ifunc-1.dd: Adjust.
* ld-arm/ifunc-2.dd: Adjust.
* ld-arm/ifunc-3.dd: Adjust.
* ld-arm/ifunc-4.dd: Adjust.
* ld-arm/ifunc-5.dd: Adjust.
* ld-arm/ifunc-6.dd: Adjust.
* ld-arm/ifunc-7.dd: Adjust.
* ld-arm/ifunc-8.dd: Adjust.
* ld-arm/ifunc-9.dd: Adjust.
* ld-arm/ifunc-10.dd: Adjust.
* ld-arm/ifunc-14.dd: Adjust.
* ld-arm/ifunc-15.dd: Adjust.
* ld-arm/ifunc-16.dd: Adjust.
opcodes/
* arm-dis.c (print_insn_arm): Explicitly specify rotation
if needed.
Diffstat (limited to 'opcodes/arm-dis.c')
| -rw-r--r-- | opcodes/arm-dis.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/opcodes/arm-dis.c b/opcodes/arm-dis.c index fafa7f6..03062ad 100644 --- a/opcodes/arm-dis.c +++ b/opcodes/arm-dis.c @@ -3140,13 +3140,23 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info, long given) case 'o': if ((given & 0x02000000) != 0) { - int rotate = (given & 0xf00) >> 7; - int immed = (given & 0xff); + unsigned int rotate = (given & 0xf00) >> 7; + unsigned int immed = (given & 0xff); + unsigned int a, i; + + a = (((immed << (32 - rotate)) + | (immed >> rotate)) & 0xffffffff); + /* If there is another encoding with smaller rotate, + the rotate should be specified directly. */ + for (i = 0; i < 32; i += 2) + if ((a << i | a >> (32 - i)) <= 0xff) + break; - immed = (((immed << (32 - rotate)) - | (immed >> rotate)) & 0xffffffff); - func (stream, "#%d", immed); - value_in_comment = immed; + if (i != rotate) + func (stream, "#%d, %d", immed, rotate); + else + func (stream, "#%d", a); + value_in_comment = a; } else arm_decode_shift (given, func, stream, TRUE); |