1# REQUIRES: x86
2# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
3
4## -z noseparate-code is the default: text segment is not tail padded.
5# RUN: ld.lld %t.o -o %t
6# RUN: llvm-readobj -l %t | FileCheck %s --check-prefixes=CHECK,NOPAD
7# RUN: ld.lld %t.o -z noseparate-code -o %t
8# RUN: llvm-readobj -l %t | FileCheck %s --check-prefixes=CHECK,NOPAD
9
10## -z separate-code pads the tail of text segment with traps.
11# RUN: ld.lld %t.o -z separate-code -o %t
12# RUN: llvm-readobj -l %t | FileCheck %s --check-prefixes=CHECK,PAD
13# RUN: od -Ax -x -N16 -j0x1ff0 %t | FileCheck %s --check-prefix=FILL
14
15## -z separate-loadable-segments pads all segments, including the text segment.
16# RUN: ld.lld %t.o -z separate-loadable-segments -o %t
17# RUN: llvm-readobj -l %t | FileCheck %s --check-prefixes=CHECK,PAD
18# RUN: od -Ax -x -N16 -j0x1ff0 %t | FileCheck %s --check-prefix=FILL
19
20# RUN: ld.lld %t.o -z separate-code -z noseparate-code -o %t
21# RUN: llvm-readobj -l %t | FileCheck %s --check-prefixes=CHECK,NOPAD
22
23# CHECK: ProgramHeader {
24# CHECK:   Type: PT_LOAD
25# PAD:     Offset: 0x1000
26# NOPAD:   Offset: 0x120
27# CHECK-NEXT:   VirtualAddress:
28# CHECK-NEXT:   PhysicalAddress:
29# PAD-NEXT:     FileSize: 4096
30# NOPAD-NEXT:   FileSize: 1
31# CHECK-NEXT:   MemSize:
32# CHECK-NEXT:   Flags [
33# CHECK-NEXT:     PF_R
34# CHECK-NEXT:     PF_X
35# CHECK-NEXT:   ]
36
37## Check that executable page is filled with traps at its end.
38# FILL: 001ff0 cccc cccc cccc cccc cccc cccc cccc cccc
39
40.globl _start
41_start:
42  nop
43