lld/test/ELF/ppc64-tls-pcrel-ld.s

   1 # REQUIRES: ppc
   2 # RUN: split-file %s %t
   3 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %t/asm -o %t.o
   4 # RUN: ld.lld -T %t/lds --shared -soname=t-ld %t.o -o %t-ld.so
   5 # RUN: ld.lld -T %t/lds %t.o -o %t-ldtole
   6
   7 # RUN: llvm-readelf -r %t-ld.so | FileCheck %s --check-prefix=LD-RELOC
   8 # RUN: llvm-readelf -s %t-ld.so | FileCheck %s --check-prefix=LD-SYM
   9 # RUN: llvm-readelf -x .got %t-ld.so | FileCheck %s --check-prefix=LD-GOT
  10 # RUN: llvm-objdump -d --no-show-raw-insn %t-ld.so | FileCheck %s --check-prefix=LD
  11
  12 # RUN: llvm-readelf -r %t-ldtole | FileCheck %s --check-prefix=LDTOLE-RELOC
  13 # RUN: llvm-readelf -s %t-ldtole | FileCheck %s --check-prefix=LDTOLE-SYM
  14 # RUN: llvm-readelf -x .got %t-ldtole 2>&1 | FileCheck %s --check-prefix=LDTOLE-GOT
  15 # RUN: llvm-objdump -d --no-show-raw-insn %t-ldtole | FileCheck %s --check-prefix=LDTOLE
  16
  17 ## This test checks the Local Dynamic PC Relative TLS implementation for lld.
  18 ## LD - Local Dynamic with no relaxation possible
  19 ## LDTOLE - Local Dynamic relaxed to Local Exec
  20
  21 # LD-RELOC: Relocation section '.rela.dyn' at offset 0x10080 contains 1 entries:
  22 # LD-RELOC: 0000000001004178  0000000000000044 R_PPC64_DTPMOD64                  0
  23
  24 # LD-SYM:      Symbol table '.symtab' contains 11 entries:
  25 # LD-SYM:      0000000000000000     0 TLS     LOCAL  DEFAULT    13 x
  26 # LD-SYM:      0000000000000004     0 TLS     LOCAL  DEFAULT    13 y
  27
  28 # LD-GOT:      section '.got':
  29 # LD-GOT-NEXT: 0x01004170 70c10001 00000000 00000000 00000000
  30 # LD-GOT-NEXT: 0x01004180 00000000 00000000
  31
  32 # LDTOLE-RELOC: There are no relocations in this file.
  33
  34 # LDTOLE-SYM:      Symbol table '.symtab' contains 9 entries:
  35 # LDTOLE-SYM:      0000000000000000     0 TLS     LOCAL  DEFAULT     6 x
  36 # LDTOLE-SYM:      0000000000000004     0 TLS     LOCAL  DEFAULT     6 y
  37
  38 # LDTOLE-GOT:      section '.got':
  39 # LDTOLE-GOT-NEXT: 0x01004020 20c00001 00000000
  40
  41 //--- lds
  42 SECTIONS {
  43   .text_addr 0x1001000 : { *(.text_addr) }
  44   .text_val 0x1002000 : { *(.text_val) }
  45   .text_twoval 0x1003000 : { *(.text_twoval) }
  46   .text_incrval 0x1004000 : { *(.text_incrval) }
  47 }
  48
  49 //--- asm
  50 # LD-LABEL: <LDAddr>:
  51 # LD:         paddi 3, 0, 12660, 1
  52 # LD-NEXT:    bl 0x1001020
  53 # LD-NEXT:    paddi 3, 3, -32768, 0
  54 # LD-NEXT:    blr
  55 # LDTOLE-LABEL: <LDAddr>:
  56 # LDTOLE:         paddi 3, 13, 4096, 0
  57 # LDTOLE-NEXT:    nop
  58 # LDTOLE-NEXT:    paddi 3, 3, -32768, 0
  59 # LDTOLE-NEXT:    blr
  60 .section .text_addr, "ax", %progbits
  61 LDAddr:
  62   ## TODO: Adding a reference to .TOC. since LLD doesn't gracefully handle the
  63   ## case where we define a .got section but have no references to the toc base
  64   ## yet.
  65   addis 2, 12, .TOC.-LDAddr@ha
  66   paddi 3, 0, x@got@tlsld@pcrel, 1
  67   bl __tls_get_addr@notoc(x@tlsld)
  68   paddi 3, 3, x@dtprel, 0
  69   blr
  70
  71 # LD-LABEL: <LDVal>:
  72 # LD:         paddi 3, 0, 8568, 1
  73 # LD-NEXT:    bl 0x1001020
  74 # LD-NEXT:    paddi 3, 3, -32768, 0
  75 # LD-NEXT:    lwz 3, 0(3)
  76 # LD-NEXT:    blr
  77 # LDTOLE-LABEL: <LDVal>:
  78 # LDTOLE:         paddi 3, 13, 4096, 0
  79 # LDTOLE-NEXT:    nop
  80 # LDTOLE-NEXT:    paddi 3, 3, -32768, 0
  81 # LDTOLE-NEXT:    lwz 3, 0(3)
  82 # LDTOLE-NEXT:    blr
  83 .section .text_val, "ax", %progbits
  84 LDVal:
  85   paddi 3, 0, x@got@tlsld@pcrel, 1
  86   bl __tls_get_addr@notoc(x@tlsld)
  87   paddi 3, 3, x@dtprel, 0
  88   lwz 3, 0(3)
  89   blr
  90
  91 # LD-LABEL: <LDTwoVal>:
  92 # LD:         paddi 3, 0, 4472, 1
  93 # LD-NEXT:    bl 0x1001020
  94 # LD-NEXT:    paddi 3, 3, -32768, 0
  95 # LD-NEXT:    lwz 2, 0(3)
  96 # LD-NEXT:    paddi 3, 3, -32764, 0
  97 # LD-NEXT:    lwz 3, 0(3)
  98 # LD-NEXT:    blr
  99 # LDTOLE-LABEL: <LDTwoVal>:
 100 # LDTOLE:         paddi 3, 13, 4096, 0
 101 # LDTOLE-NEXT:    nop
 102 # LDTOLE-NEXT:    paddi 3, 3, -32768, 0
 103 # LDTOLE-NEXT:    lwz 2, 0(3)
 104 # LDTOLE-NEXT:    paddi 3, 3, -32764, 0
 105 # LDTOLE-NEXT:    lwz 3, 0(3)
 106 # LDTOLE-NEXT:    blr
 107 .section .text_twoval, "ax", %progbits
 108 LDTwoVal:
 109   paddi 3, 0, x@got@tlsld@pcrel, 1
 110   bl __tls_get_addr@notoc(x@tlsld)
 111   paddi 3, 3, x@dtprel, 0
 112   lwz 2, 0(3)
 113   paddi 3, 3, y@dtprel, 0
 114   lwz 3, 0(3)
 115   blr
 116
 117 # LD-LABEL: <LDIncrementVal>:
 118 # LD:         paddi 3, 0, 376, 1
 119 # LD-NEXT:    bl 0x1001020
 120 # LD-NEXT:    paddi 9, 3, -32764, 0
 121 # LD-NEXT:    lwz 4, 0(9)
 122 # LD-NEXT:    stw 5, 0(9)
 123 # LD-NEXT:    blr
 124 # LDTOLE-LABEL: <LDIncrementVal>:
 125 # LDTOLE:         paddi 3, 13, 4096, 0
 126 # LDTOLE-NEXT:    nop
 127 # LDTOLE-NEXT:    paddi 9, 3, -32764, 0
 128 # LDTOLE-NEXT:    lwz 4, 0(9)
 129 # LDTOLE-NEXT:    stw 5, 0(9)
 130 # LDTOLE-NEXT:    blr
 131 .section .text_incrval, "ax", %progbits
 132 LDIncrementVal:
 133   paddi 3, 0, y@got@tlsld@pcrel, 1
 134   bl __tls_get_addr@notoc(y@tlsld)
 135   paddi 9, 3, y@dtprel, 0
 136   lwz 4, 0(9)
 137   stw 5, 0(9)
 138   blr
 139
 140 .section .tbss,"awT",@nobits
 141 x:
 142   .long   0
 143 y:
 144   .long   0