1// REQUIRES: x86 2// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o 3// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/comdat.s -o %t2.o 4// RUN: ld.lld -shared %t.o %t2.o -o %t 5// RUN: llvm-objdump -d %t | FileCheck %s 6// RUN: llvm-readelf -S -s %t | FileCheck --check-prefix=READ %s 7// RUN: ld.lld -shared --force-group-allocation %t.o %t2.o -o - | cmp - %t 8 9// Check that we don't crash with --gc-section and that we print a list of 10// reclaimed sections on stderr. 11// RUN: ld.lld --gc-sections --print-gc-sections -shared %t.o %t.o %t2.o -o %t \ 12// RUN: 2>&1 | FileCheck --check-prefix=GC %s 13// GC: removing unused section {{.*}}.o:(.text) 14// GC: removing unused section {{.*}}.o:(.text3) 15// GC: removing unused section {{.*}}.o:(.text) 16// GC: removing unused section {{.*}}.o:(.text) 17 18.globl foo 19 .section .text2,"axG",@progbits,foo,comdat,unique,0 20foo: 21 nop 22 23// CHECK: Disassembly of section .text2: 24// CHECK-EMPTY: 25// CHECK-NEXT: <foo>: 26// CHECK-NEXT: nop 27// CHECK-NOT: nop 28 29 .section bar, "ax" 30 call foo 31 32// CHECK: Disassembly of section bar: 33// CHECK-EMPTY: 34// CHECK-NEXT: <bar>: 35// CHECK-NEXT: callq {{.*}} <foo@plt> 36 37.weak zed 38zed: 39 .section .text3,"axG",@progbits,zed,comdat,unique,0 40 41# READ: .text2 PROGBITS {{.*}} AX 42# READ: .text3 PROGBITS {{.*}} AX 43 44# SYM: NOTYPE LOCAL DEFAULT UND 45# SYM: NOTYPE LOCAL HIDDEN [[#]] _DYNAMIC 46# SYM: NOTYPE GLOBAL DEFAULT [[#]] foo 47# SYM: NOTYPE GLOBAL DEFAULT [[#]] zed 48# SYM: NOTYPE GLOBAL DEFAULT UND abc 49