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fa32e290b7
Summary: When compiling with -fpic, in contrast to -fPIC, use only the immediate field to index into the GOT. This saves space if the GOT is known to be small. The linker will warn if the GOT is too large for this method. Reviewers: jyknight, venkatra Reviewed By: jyknight Subscribers: brad, fedor.sergeev, jrtc27, llvm-commits Differential Revision: https://reviews.llvm.org/D47136 llvm-svn: 334383
104 lines
3.5 KiB
ArmAsm
104 lines
3.5 KiB
ArmAsm
! RUN: llvm-mc %s -arch=sparcv9 --position-independent -filetype=obj | llvm-readobj -r | FileCheck --check-prefix=PIC %s
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! RUN: llvm-mc %s -arch=sparcv9 -filetype=obj | llvm-readobj -r | FileCheck --check-prefix=NOPIC %s
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! PIC: Relocations [
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! PIC-NOT: 0x{{[0-9,A-F]+}} R_SPARC_WPLT30 .text 0xC
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! PIC: 0x{{[0-9,A-F]+}} R_SPARC_PC22 _GLOBAL_OFFSET_TABLE_ 0x4
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! PIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_PC10 _GLOBAL_OFFSET_TABLE_ 0x8
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! PIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_PC22 _GLOBAL_OFFSET_TABLE_ 0x0
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! PIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_PC10 _GLOBAL_OFFSET_TABLE_ 0x0
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! PIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_GOT22 AGlobalVar 0x0
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! PIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_GOT10 AGlobalVar 0x0
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! PIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_GOT22 AGlobalVar 0x0
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! PIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_GOT10 AGlobalVar 0x0
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! PIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_GOT22 .LC0 0x0
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! PIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_GOT10 .LC0 0x0
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! PIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_WPLT30 bar 0x0
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! PIC: 0x{{[0-9,A-F]+}} R_SPARC_GOT13 value 0x0
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! PIC: ]
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! NOPIC: Relocations [
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! NOPIC-NOT: 0x{{[0-9,A-F]+}} R_SPARC_WPLT30 .text 0xC
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! NOPIC: 0x{{[0-9,A-F]+}} R_SPARC_HI22 _GLOBAL_OFFSET_TABLE_ 0x4
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! NOPIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_LO10 _GLOBAL_OFFSET_TABLE_ 0x8
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! NOPIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_HI22 _GLOBAL_OFFSET_TABLE_ 0x0
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! NOPIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_LO10 _GLOBAL_OFFSET_TABLE_ 0x0
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! NOPIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_HI22 AGlobalVar 0x0
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! NOPIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_LO10 AGlobalVar 0x0
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! NOPIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_HI22 AGlobalVar 0x0
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! NOPIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_LO10 AGlobalVar 0x0
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! NOPIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_HI22 .rodata 0x0
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! NOPIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_LO10 .rodata 0x0
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! NOPIC-NEXT: 0x{{[0-9,A-F]+}} R_SPARC_WDISP30 bar 0x0
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! NOPIC: 0x{{[0-9,A-F]+}} R_SPARC_13 value 0x0
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! NOPIC: ]
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.section ".rodata"
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.align 8
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.LC0:
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.asciz "string"
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.section ".text"
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.text
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.globl foo
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.align 4
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.type foo,@function
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foo:
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.cfi_startproc
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save %sp, -176, %sp
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.cfi_def_cfa_register %fp
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.cfi_window_save
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.cfi_register 15, 31
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.Ltmp4:
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call .Ltmp5
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.Ltmp6:
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sethi %hi(_GLOBAL_OFFSET_TABLE_+(.Ltmp6-.Ltmp4)), %i1
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.Ltmp5:
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or %i1, %lo(_GLOBAL_OFFSET_TABLE_+(.Ltmp5-.Ltmp4)), %i1
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set _GLOBAL_OFFSET_TABLE_, %i1
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add %i1, %o7, %i1
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sethi %hi(AGlobalVar), %i2
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add %i2, %lo(AGlobalVar), %i2
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set AGlobalVar, %i2
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ldx [%i1+%i2], %i3
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ldx [%i3], %i3
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sethi %hi(.LC0), %i2
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add %i2, %lo(.LC0), %i2
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ldx [%i1+%i2], %i4
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call bar
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add %i0, %i1, %o0
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ret
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restore %g0, %o0, %o0
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.Ltmp7:
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.size foo, .Ltmp7-foo
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.cfi_endproc
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.type AGlobalVar,@object ! @AGlobalVar
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.section .bss,#alloc,#write
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.globl AGlobalVar
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.align 8
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AGlobalVar:
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.xword 0 ! 0x0
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.size AGlobalVar, 8
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.section ".text"
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.text
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.globl pic13
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.align 4
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.type pic13,@function
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pic13:
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save %sp, -128, %sp
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.Ltmp0:
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call .Ltmp1
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.Ltmp2:
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sethi %hi(_GLOBAL_OFFSET_TABLE_+(.Ltmp2-.Ltmp0)), %i0
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.Ltmp1:
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or %i0, %lo(_GLOBAL_OFFSET_TABLE_+(.Ltmp1-.Ltmp0)), %i0
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add %i0, %o7, %i0
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ldx [%i0+value], %i0
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ld [%i0], %i0
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ret
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restore
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.Lfunc_end0:
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.size pic13, .Lfunc_end0-pic13
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