test/old-elf/ifunc.test

# REQUIRES: x86

# This test checks that IRELATIVE relocations are created for symbols that
# need relocation even for static links.
RUN: lld -flavor old-gnu -target x86_64-linux --output-filetype=yaml -r \
RUN:   %p/Inputs/ifunc.x86-64  | FileCheck %s

RUN: lld -flavor old-gnu -target x86_64-linux --output-filetype=yaml --noinhibit-exec \
RUN:   %p/Inputs/ifunc.x86-64 %p/Inputs/ifunc.cpp.x86-64 \
RUN: | FileCheck %s --check-prefix=PLT

RUN: lld -flavor old-gnu -target x86_64-linux -o %t %p/Inputs/ifunc.x86-64 \
RUN:   -e main -static %p/Inputs/ifunc.cpp.x86-64
RUN: llvm-objdump -d -s %t| FileCheck %s --check-prefix=BIN
RUN: llvm-readobj -r %t | FileCheck %s --check-prefix=RELATIVEADDEND

# Test that STT_GNU_IFUNC symbols have type Code in SharedLibraryAtom.
RUN: lld -flavor old-gnu -target x86_64-linux --output-filetype=yaml \
RUN:   --noinhibit-exec %p/Inputs/ifunc.cpp.x86-64 -L%p/Inputs -lifunc.x86-64 \
RUN: | FileCheck %s --check-prefix=SHARED

PLT: defined-atoms:

PLT: name:  plt
PLT: scope: global
PLT: references:
PLT:   kind:   R_X86_64_PC32
PLT:   target: [[PLTNAME:[-a-zA-Z0-9_]+]]

PLT: name: main
PLT: scope: global
PLT: references:
PLT:   kind: R_X86_64_PC32
PLT:   target: [[PLTNAME]]

// Make sure the target of main's relocation is a stub with a PC32 relocation.
// This relocation is to the got atom, but you can't really write that check in
// FileCheck.
PLT: name:
PLT: type: stub
PLT: references
PLT:   kind: R_X86_64_PC32

// Make sure there's a got entry with a IRELATIVE relocation.
PLT: type: got
PLT: references:
PLT:  kind: R_X86_64_IRELATIVE
PLT:  target: hey

CHECK: name: hey
CHECK: scope: global
CHECK: type: resolver


// This is a horribly brittle test. We need a way to do arithmetic on captured
// variables.
BIN: {{[0-9a-f]+}}: ff 25 {{[0-9a-f]+}} {{[0-9a-f]+}} 00 00 jmpq *{{[0-9]+}}(%rip)
BIN: .got.plt:
BIN-NEXT: {{[0-9a-f]+}} 00000000 00000000

RELATIVEADDEND:      Relocations [
RELATIVEADDEND-NEXT:   Section (1) .rela.plt {
RELATIVEADDEND-NEXT:     0x401000 R_X86_64_IRELATIVE - 0x400110
RELATIVEADDEND-NEXT:   }
RELATIVEADDEND-NEXT: ]

SHARED: shared-library-atoms
SHARED: name: hey
SHARED-NOT: data