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1# REQUIRES: ppc2 3# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o4# RUN: ld.lld %t.o -o %t5# RUN: llvm-readelf -s %t | FileCheck --check-prefix=SYM %s6# RUN: llvm-readelf -S %t | FileCheck --check-prefix=SECTIONS %s7# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s8# RUN: llvm-readobj -r %t | FileCheck --check-prefix=REL %s9 10# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o11## IRELATIVE relocs relocating NOBITS .plt do not cause --check-dynamic-relocations errors.12# RUN: ld.lld %t.o -o %t --apply-dynamic-relocs --check-dynamic-relocations13# RUN: llvm-readelf -s %t | FileCheck --check-prefix=SYM %s14# RUN: llvm-readelf -S %t | FileCheck --check-prefix=SECTIONS %s15# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s16# RUN: llvm-readobj -r %t | FileCheck --check-prefix=REL %s17 18# SYM: Value Size Type Bind Vis Ndx19# SYM: 0000000010028298 0 NOTYPE LOCAL HIDDEN 4 .TOC.20# SYM: 0000000010010268 0 FUNC GLOBAL DEFAULT 3 ifunc121# SYM: 0000000010010210 0 IFUNC GLOBAL DEFAULT 2 ifunc222# SYM: 0000000010010288 0 FUNC GLOBAL DEFAULT 3 ifunc323 24# SECTIONS: .plt NOBITS 00000000100302a0 0002a0 000018 00 WA 0 0 825 26# __plt_ifunc - . = 0x10010218 - 0x10010208 = 1627# __plt_ifunc2 - . = 0x1001022c - 0x10010210 = 2828# CHECK: <_start>:29# CHECK-NEXT: addis 2, 12, 230# CHECK-NEXT: addi 2, 2, -3263631# CHECK-NEXT: 1001021c: bl 0x1001024032# CHECK-NEXT: ld 2, 24(1)33# CHECK-NEXT: 10010224: bl 0x1001025434# CHECK-NEXT: ld 2, 24(1)35# CHECK-NEXT: addis 3, 2, -236# CHECK-NEXT: addi 3, 3, 3272037# CHECK-NEXT: addis 3, 2, -238# CHECK-NEXT: addi 3, 3, 3275239 40# .plt[1] - .TOC. = 0x100302a0+8 - 0x10028298 = (1<<16) - 3275241# CHECK: <__plt_ifunc2>:42# CHECK-NEXT: std 2, 24(1)43# CHECK-NEXT: addis 12, 2, 144# CHECK-NEXT: ld 12, -32752(12)45# CHECK-NEXT: mtctr 1246# CHECK-NEXT: bctr47 48# .plt[2] - .TOC. = 0x100302a0+16 - 0x10028298 = (1<<16) - 3274449# CHECK: <__plt_ifunc3>:50# CHECK-NEXT: std 2, 24(1)51# CHECK-NEXT: addis 12, 2, 152# CHECK-NEXT: ld 12, -32744(12)53# CHECK-NEXT: mtctr 1254# CHECK-NEXT: bctr55# CHECK-EMPTY:56 57## .glink has 3 IPLT entries for ifunc1, ifunc2 and ifunc3.58## ifunc2 and ifunc3 have the same code sequence as their PLT call stubs.59# CHECK: Disassembly of section .glink:60# CHECK-EMPTY:61# CHECK-NEXT: 0000000010010268 <ifunc1>:62# CHECK-NEXT: addis 12, 2, 163# CHECK-NEXT: ld 12, -32760(12)64# CHECK-NEXT: mtctr 1265# CHECK-NEXT: bctr66# CHECK-NEXT: addis 12, 2, 167# CHECK-NEXT: ld 12, -32752(12)68# CHECK-NEXT: mtctr 1269# CHECK-NEXT: bctr70# CHECK-EMPTY:71# CHECK-NEXT: 0000000010010288 <ifunc3>:72# CHECK-NEXT: addis 12, 2, 173# CHECK-NEXT: ld 12, -32744(12)74# CHECK-NEXT: mtctr 1275# CHECK-NEXT: bctr76 77## Check that we emit 3 R_PPC64_IRELATIVE in .rela.dyn.78# REL: .rela.dyn {79# REL-NEXT: 0x100302A0 R_PPC64_IRELATIVE - 0x1001021080# REL-NEXT: 0x100302A8 R_PPC64_IRELATIVE - 0x1001021081# REL-NEXT: 0x100302B0 R_PPC64_IRELATIVE - 0x1001021082# REL-NEXT: }83 84.type ifunc1,@gnu_indirect_function85.type ifunc2,@gnu_indirect_function86.type ifunc3,@gnu_indirect_function87.globl ifunc1, ifunc2, ifunc388ifunc1:89ifunc2:90ifunc3:91 blr92 93.global _start94.type _start,@function95 96_start:97.Lfunc_gep0:98 addis 2, 12, .TOC.-.Lfunc_gep0@ha99 addi 2, 2, .TOC.-.Lfunc_gep0@l100.Lfunc_lep0:101 .localentry _start, .Lfunc_lep0-.Lfunc_gep0102 103 ## ifunc1 is taken address.104 ## ifunc2 is called.105 ## ifunc3 is both taken address and called.106 ## We need to create IPLT entries in .glink for ifunc1 and ifunc3, change107 ## their types from STT_GNU_IFUNC to STT_FUNC, and set their st_shndx/st_value108 ## to their .glink entries. Technically we don't need an entry for ifunc2 in109 ## .glink, but we currently do that.110 bl ifunc2111 nop112 bl ifunc3113 nop114 115 addis 3, 2, ifunc1@toc@ha116 addi 3, 3, ifunc1@toc@l117 addis 3, 2, ifunc3@toc@ha118 addi 3, 3, ifunc3@toc@l119