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150
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1 # REQUIRES: ppc
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2
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3 ## Test that we create canonical PLT entries for -no-pie.
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4
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5 # RUN: llvm-mc -filetype=obj -triple=powerpc %s -o %t.o
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6 # RUN: llvm-mc -filetype=obj -triple=powerpc %p/Inputs/canonical-plt-pcrel.s -o %t1.o
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7 # RUN: ld.lld %t1.o -o %t1.so -shared -soname=so
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8
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9 # RUN: ld.lld %t.o %t1.so -o %t
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10 # RUN: llvm-readobj -r %t | FileCheck --check-prefix=REL %s
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11 # RUN: llvm-readelf -S -s %t | FileCheck --check-prefix=SYM %s
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12 # RUN: llvm-readelf -x .plt %t | FileCheck --check-prefix=HEX %s
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13 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
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14
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15 # REL: Relocations [
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16 # REL-NEXT: .rela.plt {
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173
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17 # REL-NEXT: 0x10030318 R_PPC_JMP_SLOT func 0x0
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18 # REL-NEXT: 0x1003031C R_PPC_JMP_SLOT func2 0x0
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19 # REL-NEXT: 0x10030320 R_PPC_JMP_SLOT ifunc 0x0
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150
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20 # REL-NEXT: }
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21 # REL-NEXT: ]
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22
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173
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23 # SYM: .glink PROGBITS 1001022c
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150
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24
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25 ## st_value points to the canonical PLT entry in .glink
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26 # SYM: Symbol table '.dynsym'
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173
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27 # SYM: 1001023c 0 FUNC GLOBAL DEFAULT UND func
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28 # SYM: 1001022c 0 FUNC GLOBAL DEFAULT UND func2
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29 # SYM: 1001024c 0 FUNC GLOBAL DEFAULT UND ifunc
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150
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30 # SYM: Symbol table '.symtab'
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173
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31 # SYM: 1001023c 0 FUNC GLOBAL DEFAULT UND func
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32 # SYM: 1001022c 0 FUNC GLOBAL DEFAULT UND func2
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33 # SYM: 1001024c 0 FUNC GLOBAL DEFAULT UND ifunc
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34
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35 # HEX: 0x10030318 1001025c 10010260 10010264
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150
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36
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173
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37 ## Canonical PLT entry of func2.
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38 ## 0x1003031C = 65536*4099+796
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39 # CHECK: 1001022c <.glink>:
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40 # CHECK-NEXT: lis 11, 4099
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41 # CHECK-NEXT: lwz 11, 796(11)
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42 # CHECK-NEXT: mtctr 11
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43 # CHECK-NEXT: bctr
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150
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44
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45 ## Canonical PLT entry of func.
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173
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46 ## 0x10030318 = 65536*4099+792
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47 # CHECK-NEXT: 1001023c: lis 11, 4099
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48 # CHECK-NEXT: lwz 11, 792(11)
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150
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49 # CHECK-NEXT: mtctr 11
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50 # CHECK-NEXT: bctr
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51
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52 ## Canonical PLT entry of ifunc.
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173
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53 ## 0x10030320 = 65536*4099+800
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54 # CHECK-NEXT: 1001024c: lis 11, 4099
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55 # CHECK-NEXT: lwz 11, 800(11)
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150
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56 # CHECK-NEXT: mtctr 11
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57 # CHECK-NEXT: bctr
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58
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173
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59 ## The 3 b instructions are referenced by .plt entries.
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60 # CHECK-NEXT: 1001025c: b 0x10010268
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61 # CHECK-NEXT: b 0x10010268
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62 # CHECK-NEXT: b 0x10010268
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150
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63
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64 ## PLTresolve of 64 bytes is at the end.
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173
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65 ## Operands of addis & addi: -0x1001025c = 65536*-4097-604
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150
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66 # CHECK-NEXT: lis 12, 0
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67 # CHECK-NEXT: addis 11, 11, -4097
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68 # CHECK-NEXT: lwz 0, 4(12)
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173
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69 # CHECK-NEXT: addi 11, 11, -604
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150
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70 # CHECK-NEXT: mtctr 0
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71 # CHECK-NEXT: add 0, 11, 11
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72 # CHECK-NEXT: lwz 12, 8(12)
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73 # CHECK-NEXT: add 11, 0, 11
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74 # CHECK-NEXT: bctr
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75 # CHECK-COUNT-7: nop
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76
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77 .globl _start
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78 _start:
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173
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79 b func
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80 lis 3, func2@ha
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81 la 3, func2@l(3)
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150
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82 lis 3, func@ha
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83 la 3, func@l(3)
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84 lis 4, ifunc@ha
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85 la 4, ifunc@l(4)
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