| // REQUIRES: x86 |
| // RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o |
| // RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/comdat.s -o %t2.o |
| // RUN: ld.lld -shared %t.o %t.o %t2.o -o %t |
| // RUN: llvm-objdump -d %t | FileCheck %s |
| // RUN: llvm-readobj -s -t %t | FileCheck --check-prefix=READ %s |
| |
| // Check that we don't crash with --gc-section and that we print a list of |
| // reclaimed sections on stderr. |
| // RUN: ld.lld --gc-sections --print-gc-sections -shared %t.o %t.o %t2.o -o %t \ |
| // RUN: 2>&1 | FileCheck --check-prefix=GC %s |
| // GC: removing unused section {{.*}}.o:(.text) |
| // GC: removing unused section {{.*}}.o:(.text3) |
| // GC: removing unused section {{.*}}.o:(.text) |
| // GC: removing unused section {{.*}}.o:(.text) |
| |
| .section .text2,"axG",@progbits,foo,comdat,unique,0 |
| foo: |
| nop |
| |
| // CHECK: Disassembly of section .text2: |
| // CHECK-NEXT: foo: |
| // CHECK-NEXT: 1000: {{.*}} nop |
| // CHECK-NOT: nop |
| |
| .section bar, "ax" |
| call foo |
| |
| // CHECK: Disassembly of section bar: |
| // CHECK-NEXT: bar: |
| // 0x1000 - 0x1001 - 5 = -6 |
| // 0 - 0x1006 - 5 = -4107 |
| // CHECK-NEXT: 1001: {{.*}} callq -6 |
| // CHECK-NEXT: 1006: {{.*}} callq -4107 |
| |
| .section .text3,"axG",@progbits,zed,comdat,unique,0 |
| |
| |
| // READ: Name: .text2 |
| // READ-NEXT: Type: SHT_PROGBITS |
| // READ-NEXT: Flags [ |
| // READ-NEXT: SHF_ALLOC |
| // READ-NEXT: SHF_EXECINSTR |
| // READ-NEXT: ] |
| |
| // READ: Name: .text3 |
| // READ-NEXT: Type: SHT_PROGBITS |
| // READ-NEXT: Flags [ |
| // READ-NEXT: SHF_ALLOC |
| // READ-NEXT: SHF_EXECINSTR |
| // READ-NEXT: ] |
| |
| // READ: Symbols [ |
| // READ-NEXT: Symbol { |
| // READ-NEXT: Name: (0) |
| // READ-NEXT: Value: 0x0 |
| // READ-NEXT: Size: 0 |
| // READ-NEXT: Binding: Local |
| // READ-NEXT: Type: None |
| // READ-NEXT: Other: 0 |
| // READ-NEXT: Section: Undefined |
| // READ-NEXT: } |
| // READ-NEXT: Symbol { |
| // READ-NEXT: Name: foo |
| // READ-NEXT: Value |
| // READ-NEXT: Size: 0 |
| // READ-NEXT: Binding: Local |
| // READ-NEXT: Type: None |
| // READ-NEXT: Other: 0 |
| // READ-NEXT: Section: .text |
| // READ-NEXT: } |
| // READ-NEXT: Symbol { |
| // READ-NEXT: Name: _DYNAMIC |
| // READ-NEXT: Value: 0x2000 |
| // READ-NEXT: Size: 0 |
| // READ-NEXT: Binding: Local |
| // READ-NEXT: Type: None |
| // READ-NEXT: Other [ (0x2) |
| // READ-NEXT: STV_HIDDEN |
| // READ-NEXT: ] |
| // READ-NEXT: Section: .dynamic |
| // READ-NEXT: } |
| // READ-NEXT: Symbol { |
| // READ-NEXT: Name: abc |
| // READ-NEXT: Value: 0x0 |
| // READ-NEXT: Size: 0 |
| // READ-NEXT: Binding: Global |
| // READ-NEXT: Type: None |
| // READ-NEXT: Other: 0 |
| // READ-NEXT: Section: Undefined |
| // READ-NEXT: } |
| // READ-NEXT: ] |