| # REQUIRES: x86 |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o |
| |
| ## -z noseparate-code is the default: text segment is not tail padded. |
| # RUN: ld.lld %t.o -o %t |
| # RUN: llvm-readobj -l %t | FileCheck %s --check-prefixes=CHECK,NOPAD |
| # RUN: ld.lld %t.o -z noseparate-code -o %t |
| # RUN: llvm-readobj -l %t | FileCheck %s --check-prefixes=CHECK,NOPAD |
| |
| ## -z separate-code pads the tail of text segment with traps. |
| # RUN: ld.lld %t.o -z separate-code -o %t |
| # RUN: llvm-readobj -l %t | FileCheck %s --check-prefixes=CHECK,PAD |
| # RUN: od -Ax -x -N16 -j0x1ff0 %t | FileCheck %s --check-prefix=FILL |
| |
| ## -z separate-loadable-segments pads all segments, including the text segment. |
| # RUN: ld.lld %t.o -z separate-loadable-segments -o %t |
| # RUN: llvm-readobj -l %t | FileCheck %s --check-prefixes=CHECK,PAD |
| # RUN: od -Ax -x -N16 -j0x1ff0 %t | FileCheck %s --check-prefix=FILL |
| |
| # RUN: ld.lld %t.o -z separate-code -z noseparate-code -o %t |
| # RUN: llvm-readobj -l %t | FileCheck %s --check-prefixes=CHECK,NOPAD |
| |
| # CHECK: ProgramHeader { |
| # CHECK: Type: PT_LOAD |
| # PAD: Offset: 0x1000 |
| # NOPAD: Offset: 0x120 |
| # CHECK-NEXT: VirtualAddress: |
| # CHECK-NEXT: PhysicalAddress: |
| # PAD-NEXT: FileSize: 4096 |
| # NOPAD-NEXT: FileSize: 1 |
| # CHECK-NEXT: MemSize: |
| # CHECK-NEXT: Flags [ |
| # CHECK-NEXT: PF_R |
| # CHECK-NEXT: PF_X |
| # CHECK-NEXT: ] |
| |
| ## Check that executable page is filled with traps at its end. |
| # FILL: 001ff0 cccc cccc cccc cccc cccc cccc cccc cccc |
| |
| .globl _start |
| _start: |
| nop |
