1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
# 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 -z common-page-size=512 -o %t
# RUN: llvm-readobj -l %t | FileCheck %s --check-prefixes=CHECK,NOPAD
## -z separate-code pads the tail of text segment with traps.
## Make common-page-size smaller than max-page-size.
## Check that we use max-page-size instead of common-page-size for padding.
# RUN: ld.lld %t.o -z separate-code -z common-page-size=512 -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 -z common-page-size=512 -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 -z common-page-size=512 -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
|
