[lld] r265310 - [ELF][MIPS] Extend test case to check LA25 stubs creation for STO_MIPS_PIC symbols. NFC.
Rafael Espíndola via llvm-commits
llvm-commits at lists.llvm.org
Mon Apr 4 12:16:41 PDT 2016
Thanks!
On 4 April 2016 at 12:47, Simon Atanasyan via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: atanasyan
> Date: Mon Apr 4 11:47:31 2016
> New Revision: 265310
>
> URL: http://llvm.org/viewvc/llvm-project?rev=265310&view=rev
> Log:
> [ELF][MIPS] Extend test case to check LA25 stubs creation for STO_MIPS_PIC symbols. NFC.
>
> The only way to get an object file with symbols marked by the STO_MIPS_PIC
> flag is to link PIC and non-PIC object files and generate a relocatable
> output using '-r' command line option. Now LLD is able to generate a relocatable
> output but does not mark PIC symbols by the STO_MIPS_PIC flag. So I have
> to use binary input mips-sto-pic.o generated by GNU BFD linker.
>
> Added:
> lld/trunk/test/ELF/Inputs/mips-sto-pic.o
> Modified:
> lld/trunk/test/ELF/mips-npic-call-pic.s
>
> Added: lld/trunk/test/ELF/Inputs/mips-sto-pic.o
> URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/Inputs/mips-sto-pic.o?rev=265310&view=auto
> ==============================================================================
> Binary files lld/trunk/test/ELF/Inputs/mips-sto-pic.o (added) and lld/trunk/test/ELF/Inputs/mips-sto-pic.o Mon Apr 4 11:47:31 2016 differ
>
> Modified: lld/trunk/test/ELF/mips-npic-call-pic.s
> URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/mips-npic-call-pic.s?rev=265310&r1=265309&r2=265310&view=diff
> ==============================================================================
> --- lld/trunk/test/ELF/mips-npic-call-pic.s (original)
> +++ lld/trunk/test/ELF/mips-npic-call-pic.s Mon Apr 4 11:47:31 2016
> @@ -4,50 +4,73 @@
> # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
> # RUN: %p/Inputs/mips-pic.s -o %t-pic.o
> # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux %s -o %t-npic.o
> -# RUN: ld.lld %t-npic.o %t-pic.o -o %t.exe
> +# RUN: ld.lld %t-npic.o %t-pic.o %p/Inputs/mips-sto-pic.o -o %t.exe
> # RUN: llvm-objdump -d %t.exe | FileCheck %s
>
> # REQUIRES: mips
>
> # CHECK: Disassembly of section .text:
> # CHECK-NEXT: __start:
> -# CHECK-NEXT: 20000: 0c 00 80 0a jal 131112
> -# ^-- 0x20030 .pic.foo1a
> +# CHECK-NEXT: 20000: 0c 00 80 0e jal 131128 <foo1b+0x4>
> +# ^-- .pic.foo1a
> # CHECK-NEXT: 20004: 00 00 00 00 nop
> -# CHECK-NEXT: 20008: 0c 00 80 15 jal 131156
> -# ^-- 0x20060 .pic.foo2
> +# CHECK-NEXT: 20008: 0c 00 80 19 jal 131172 <foo2+0x4>
> +# ^-- .pic.foo2
> # CHECK-NEXT: 2000c: 00 00 00 00 nop
> -# CHECK-NEXT: 20010: 0c 00 80 0e jal 131128
> -# ^-- 0x20040 .pic.foo1b
> +# CHECK-NEXT: 20010: 0c 00 80 12 jal 131144 <foo1b+0x14>
> +# ^-- .pic.foo1b
> # CHECK-NEXT: 20014: 00 00 00 00 nop
> -# CHECK-NEXT: 20018: 0c 00 80 15 jal 131156
> -# ^-- 0x20060 .pic.foo2
> +# CHECK-NEXT: 20018: 0c 00 80 19 jal 131172 <foo2+0x4>
> +# ^-- .pic.foo2
> # CHECK-NEXT: 2001c: 00 00 00 00 nop
> +# CHECK-NEXT: 20020: 0c 00 80 28 jal 131232 <fnpic+0x10>
> +# ^-- .pic.fpic
> +# CHECK-NEXT: 20024: 00 00 00 00 nop
> +# CHECK-NEXT: 20028: 0c 00 80 24 jal 131216 <fnpic>
> +# CHECK-NEXT: 2002c: 00 00 00 00 nop
> #
> # CHECK: foo1a:
> -# CHECK-NEXT: 20020: 00 00 00 00 nop
> +# CHECK-NEXT: 20030: 00 00 00 00 nop
> #
> # CHECK: foo1b:
> -# CHECK-NEXT: 20024: 00 00 00 00 nop
> -#
> -# CHECK-NEXT: 20028: 3c 19 00 02 lui $25, 2
> -# CHECK-NEXT: 2002c: 08 00 80 08 j 131104 <foo1a>
> -# CHECK-NEXT: 20030: 27 39 00 20 addiu $25, $25, 32
> # CHECK-NEXT: 20034: 00 00 00 00 nop
> +#
> # CHECK-NEXT: 20038: 3c 19 00 02 lui $25, 2
> -# CHECK-NEXT: 2003c: 08 00 80 09 j 131108 <foo1b>
> -# CHECK-NEXT: 20040: 27 39 00 24 addiu $25, $25, 36
> +# CHECK-NEXT: 2003c: 08 00 80 0c j 131120 <foo1a>
> +# CHECK-NEXT: 20040: 27 39 00 30 addiu $25, $25, 48
> # CHECK-NEXT: 20044: 00 00 00 00 nop
> -# CHECK-NEXT: 20048: 00 00 00 00 nop
> -# CHECK-NEXT: 2004c: 00 00 00 00 nop
> +# CHECK-NEXT: 20048: 3c 19 00 02 lui $25, 2
> +# CHECK-NEXT: 2004c: 08 00 80 0d j 131124 <foo1b>
> +# CHECK-NEXT: 20050: 27 39 00 34 addiu $25, $25, 52
> +# CHECK-NEXT: 20054: 00 00 00 00 nop
> +# CHECK-NEXT: 20058: 00 00 00 00 nop
> +# CHECK-NEXT: 2005c: 00 00 00 00 nop
> #
> # CHECK: foo2:
> -# CHECK-NEXT: 20050: 00 00 00 00 nop
> -#
> -# CHECK-NEXT: 20054: 3c 19 00 02 lui $25, 2
> -# CHECK-NEXT: 20058: 08 00 80 14 j 131152 <foo2>
> -# CHECK-NEXT: 2005c: 27 39 00 50 addiu $25, $25, 80
> # CHECK-NEXT: 20060: 00 00 00 00 nop
> +#
> +# CHECK-NEXT: 20064: 3c 19 00 02 lui $25, 2
> +# CHECK-NEXT: 20068: 08 00 80 18 j 131168 <foo2>
> +# CHECK-NEXT: 2006c: 27 39 00 60 addiu $25, $25, 96
> +# CHECK-NEXT: 20070: 00 00 00 00 nop
> +# CHECK-NEXT: 20074: 00 00 00 00 nop
> +# CHECK-NEXT: 20078: 00 00 00 00 nop
> +# CHECK-NEXT: 2007c: 00 00 00 00 nop
> +#
> +# CHECK: fpic:
> +# CHECK-NEXT: 20080: 00 00 00 00 nop
> +# CHECK-NEXT: 20084: 00 00 00 00 nop
> +# CHECK-NEXT: 20088: 00 00 00 00 nop
> +# CHECK-NEXT: 2008c: 00 00 00 00 nop
> +#
> +# CHECK: fnpic:
> +# CHECK-NEXT: 20090: 00 00 00 00 nop
> +# CHECK-NEXT: 20094: 00 00 00 00 nop
> +# CHECK-NEXT: 20098: 00 00 00 00 nop
> +# CHECK-NEXT: 2009c: 00 00 00 00 nop
> +# CHECK-NEXT: 200a0: 3c 19 00 02 lui $25, 2
> +# CHECK-NEXT: 200a4: 08 00 80 20 j 131200 <fpic>
> +# CHECK-NEXT: 200a8: 27 39 00 80 addiu $25, $25, 128
>
> .text
> .globl __start
> @@ -56,3 +79,5 @@ __start:
> jal foo2
> jal foo1b
> jal foo2
> + jal fpic
> + jal fnpic
>
>
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