forked from OSchip/llvm-project
99 lines
3.5 KiB
ArmAsm
99 lines
3.5 KiB
ArmAsm
// REQUIRES: x86
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// RUN: llvm-mc -filetype=obj -triple=i686-pc-linux %S/Inputs/shared2-x86-64.s -o %t1.o
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// RUN: ld.lld %t1.o --shared --soname=t.so -o %t.so
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// RUN: llvm-mc -filetype=obj -triple=i686-pc-linux %s -o %t.o
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// RUN: ld.lld --hash-style=sysv %t.so %t.o -o %tout
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// RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex %tout | FileCheck %s --check-prefix=DISASM
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// RUN: llvm-objdump -s %tout | FileCheck %s --check-prefix=GOTPLT
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// RUN: llvm-readobj -r --dynamic-table %tout | FileCheck %s
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/// Check that the PLTRELSZ tag does not include the IRELATIVE relocations
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// CHECK: DynamicSection [
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// CHECK: 0x00000012 RELSZ 24 (bytes)
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// CHECK: 0x00000002 PLTRELSZ 16 (bytes)
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/// Check that the IRELATIVE relocations are placed to the .rel.dyn section after
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/// other regular relocations (e.g. GLOB_DAT).
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// CHECK: Relocations [
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// CHECK-NEXT: Section (4) .rel.dyn {
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// CHECK-NEXT: 0x4022C8 R_386_GLOB_DAT bar3
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// CHECK-NEXT: 0x4032E0 R_386_IRELATIVE -
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// CHECK-NEXT: 0x4032E4 R_386_IRELATIVE -
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// CHECK-NEXT: }
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// CHECK-NEXT: Section (5) .rel.plt {
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// CHECK-NEXT: 0x4032D8 R_386_JUMP_SLOT bar2
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// CHECK-NEXT: 0x4032DC R_386_JUMP_SLOT zed2
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// CHECK-NEXT: }
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// Check that IRELATIVE .got.plt entries point to ifunc resolver and not
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// back to the plt entry + 6.
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// GOTPLT: Contents of section .got.plt:
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// GOTPLT: 4032cc 50224000 00000000 00000000 16124000
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// GOTPLT-NEXT: 4032dc 26124000 dc114000 dd114000
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// ^ ^-- <bar> (0x4011dd)
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// -- <foo> (0x4011dcd)
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/// Check that we have 2 PLT sections: one regular .plt section and one
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/// .iplt section for ifunc entries.
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// DISASM: Disassembly of section .text:
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// DISASM-EMPTY:
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// DISASM-NEXT: <foo>:
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// DISASM-NEXT: 4011dc: retl
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// DISASM: <bar>:
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// DISASM-NEXT: 4011dd: retl
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// DISASM: <_start>:
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// DISASM-NEXT: 4011de: calll 0x401230
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// DISASM-NEXT: calll 0x401240
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// DISASM-NEXT: calll 0x401210 <bar2@plt>
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// DISASM-NEXT: calll 0x401220 <zed2@plt>
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// DISASM-NEXT: movl -0x1004(%eax), %eax
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// DISASM-EMPTY:
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// DISASM-NEXT: Disassembly of section .plt:
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// DISASM-EMPTY:
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// DISASM-NEXT: <.plt>:
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// DISASM-NEXT: 401200: pushl 0x4032d0
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// DISASM-NEXT: jmpl *0x4032d4
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// DISASM-NEXT: nop
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// DISASM-NEXT: nop
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// DISASM-NEXT: nop
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// DISASM-NEXT: nop
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// DISASM-EMPTY:
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// DISASM-NEXT: <bar2@plt>:
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// DISASM-NEXT: 401210: jmpl *0x4032d8
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// DISASM-NEXT: pushl $0x0
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// DISASM-NEXT: jmp 0x401200 <.plt>
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// DISASM-EMPTY:
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// DISASM-NEXT: <zed2@plt>:
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// DISASM-NEXT: 401220: jmpl *0x4032dc
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// DISASM-NEXT: pushl $0x8
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// DISASM-NEXT: jmp 0x401200 <.plt>
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// DISASM-EMPTY:
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// DISASM-NEXT: Disassembly of section .iplt:
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// DISASM-EMPTY:
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// DISASM-NEXT: <.iplt>:
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// DISASM-NEXT: jmpl *0x4032e0
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// DISASM-NEXT: pushl $0x0
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// DISASM-NEXT: jmp 0x401200 <.plt>
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// DISASM-NEXT: jmpl *0x4032e4
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// DISASM-NEXT: pushl $0x8
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// DISASM-NEXT: jmp 0x401200 <.plt>
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.text
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.type foo STT_GNU_IFUNC
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.globl foo
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foo:
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ret
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.type bar STT_GNU_IFUNC
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.globl bar
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bar:
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ret
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.globl _start
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_start:
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call foo@plt
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call bar@plt
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call bar2@plt
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call zed2@plt
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movl bar3@GOT(%eax), %eax
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