llvm-project/lld/test/ELF/wrap.s

32 lines
1012 B
ArmAsm

// REQUIRES: x86
// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t
// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/wrap.s -o %t2
// RUN: ld.lld -o %t3 %t %t2 -wrap foo -wrap nosuchsym
// RUN: llvm-objdump -d -print-imm-hex %t3 | FileCheck %s
// RUN: ld.lld -o %t3 %t %t2 --wrap foo -wrap=nosuchsym
// RUN: llvm-objdump -d -print-imm-hex %t3 | FileCheck %s
// CHECK: _start:
// CHECK-NEXT: movl $0x11010, %edx
// CHECK-NEXT: movl $0x11010, %edx
// CHECK-NEXT: movl $0x11000, %edx
// This shows an oddity of our implementation. The symbol foo gets
// mapped to __wrap_foo, but stays in the symbol table. This results
// in it showing up twice in the output.
// RUN: llvm-readobj -t -s %t3 | FileCheck -check-prefix=SYM %s
// SYM: Name: foo
// SYM-NEXT: Value: 0x11000
// SYM: Name: __wrap_foo
// SYM-NEXT: Value: 0x11010
// SYM: Name: __wrap_foo
// SYM-NEXT: Value: 0x11010
.global _start
_start:
movl $foo, %edx
movl $__wrap_foo, %edx
movl $__real_foo, %edx