xref: /llvm-project/lld/test/ELF/common-page.s (revision 665f913e4509e3e4f531aa4a4ebe92ec2ea5c23f) 
1# REQUIRES: x86
2
3# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
4
5# exits with return code 42 on linux
6.globl _start
7_start:
8  nop
9
10# Increase max-page-size to 64k while using the default x86_64 common page size
11# of 4k. If the last loadable segment is executable then lld aligns the next
12# section using the common page size.
13
14# RUN: ld.lld -z max-page-size=0x10000 -z common-page-size=0x1000 %t -o %t2 2>&1 | count 0
15# RUN: llvm-readobj --sections -l %t2 | FileCheck --check-prefix=CHECK-MAX %s
16
17# CHECK-MAX:      Sections [
18# CHECK-MAX-NEXT:   Section {
19# CHECK-MAX-NEXT:     Index: 0
20# CHECK-MAX-NEXT:     Name:  (0)
21# CHECK-MAX-NEXT:     Type: SHT_NULL (0x0)
22# CHECK-MAX-NEXT:     Flags [ (0x0)
23# CHECK-MAX-NEXT:     ]
24# CHECK-MAX-NEXT:     Address: 0x0
25# CHECK-MAX-NEXT:     Offset: 0x0
26# CHECK-MAX-NEXT:     Size: 0
27# CHECK-MAX-NEXT:     Link: 0
28# CHECK-MAX-NEXT:     Info: 0
29# CHECK-MAX-NEXT:     AddressAlignment: 0
30# CHECK-MAX-NEXT:     EntrySize: 0
31# CHECK-MAX-NEXT:   }
32# CHECK-MAX-NEXT:   Section {
33# CHECK-MAX-NEXT:     Index: 1
34# CHECK-MAX-NEXT:     Name: .text (1)
35# CHECK-MAX-NEXT:     Type: SHT_PROGBITS (0x1)
36# CHECK-MAX-NEXT:     Flags [ (0x6)
37# CHECK-MAX-NEXT:       SHF_ALLOC (0x2)
38# CHECK-MAX-NEXT:       SHF_EXECINSTR (0x4)
39# CHECK-MAX-NEXT:     ]
40# CHECK-MAX-NEXT:     Address: 0x210120
41# CHECK-MAX-NEXT:     Offset: 0x120
42# CHECK-MAX-NEXT:     Size: 1
43# CHECK-MAX-NEXT:     Link: 0
44# CHECK-MAX-NEXT:     Info: 0
45# CHECK-MAX-NEXT:     AddressAlignment: 4
46# CHECK-MAX-NEXT:     EntrySize: 0
47# CHECK-MAX-NEXT:   }
48# CHECK-MAX-NEXT:   Section {
49# CHECK-MAX-NEXT:     Index: 2
50# CHECK-MAX-NEXT:     Name: .comment (7)
51# CHECK-MAX-NEXT:     Type: SHT_PROGBITS (0x1)
52# CHECK-MAX-NEXT:     Flags [ (0x30)
53# CHECK-MAX-NEXT:       SHF_MERGE (0x10)
54# CHECK-MAX-NEXT:       SHF_STRINGS (0x20)
55# CHECK-MAX-NEXT:     ]
56# CHECK-MAX-NEXT:     Address: 0x0
57# CHECK-MAX-NEXT:     Offset: 0x121
58# CHECK-MAX-NEXT:     Size: 8
59# CHECK-MAX-NEXT:     Link: 0
60# CHECK-MAX-NEXT:     Info: 0
61# CHECK-MAX-NEXT:     AddressAlignment: 1
62# CHECK-MAX-NEXT:     EntrySize: 1
63
64# CHECK-MAX: ProgramHeaders [
65# CHECK-MAX-NEXT:   ProgramHeader {
66# CHECK-MAX-NEXT:     Type: PT_PHDR (0x6)
67# CHECK-MAX-NEXT:     Offset: 0x40
68# CHECK-MAX-NEXT:     VirtualAddress: 0x200040
69# CHECK-MAX-NEXT:     PhysicalAddress: 0x200040
70# CHECK-MAX-NEXT:     FileSize: 224
71# CHECK-MAX-NEXT:     MemSize: 224
72# CHECK-MAX-NEXT:     Flags [ (0x4)
73# CHECK-MAX-NEXT:       PF_R (0x4)
74# CHECK-MAX-NEXT:     ]
75# CHECK-MAX-NEXT:     Alignment: 8
76# CHECK-MAX-NEXT:   }
77# CHECK-MAX-NEXT:   ProgramHeader {
78# CHECK-MAX-NEXT:     Type: PT_LOAD (0x1)
79# CHECK-MAX-NEXT:     Offset: 0x0
80# CHECK-MAX-NEXT:     VirtualAddress: 0x200000
81# CHECK-MAX-NEXT:     PhysicalAddress: 0x200000
82# CHECK-MAX-NEXT:     FileSize: 288
83# CHECK-MAX-NEXT:     MemSize: 288
84# CHECK-MAX-NEXT:     Flags [ (0x4)
85# CHECK-MAX-NEXT:       PF_R (0x4)
86# CHECK-MAX-NEXT:     ]
87# CHECK-MAX-NEXT:     Alignment: 65536
88# CHECK-MAX-NEXT:   }
89# CHECK-MAX-NEXT:   ProgramHeader {
90# CHECK-MAX-NEXT:     Type: PT_LOAD (0x1)
91# CHECK-MAX-NEXT:     Offset: 0x120
92# CHECK-MAX-NEXT:     VirtualAddress: 0x210120
93# CHECK-MAX-NEXT:     PhysicalAddress: 0x210120
94# CHECK-MAX-NEXT:     FileSize: 1
95# CHECK-MAX-NEXT:     MemSize: 1
96# CHECK-MAX-NEXT:     Flags [ (0x5)
97# CHECK-MAX-NEXT:       PF_R (0x4)
98# CHECK-MAX-NEXT:       PF_X (0x1)
99# CHECK-MAX-NEXT:     ]
100# CHECK-MAX-NEXT:     Alignment: 65536
101# CHECK-MAX-NEXT:   }
102# CHECK-MAX-NEXT:   ProgramHeader {
103# CHECK-MAX-NEXT:     Type: PT_GNU_STACK (0x6474E551)
104# CHECK-MAX-NEXT:     Offset: 0x0
105# CHECK-MAX-NEXT:     VirtualAddress: 0x0
106# CHECK-MAX-NEXT:     PhysicalAddress: 0x0
107# CHECK-MAX-NEXT:     FileSize: 0
108# CHECK-MAX-NEXT:     MemSize: 0
109# CHECK-MAX-NEXT:     Flags [ (0x6)
110# CHECK-MAX-NEXT:       PF_R (0x4)
111# CHECK-MAX-NEXT:       PF_W (0x2)
112# CHECK-MAX-NEXT:     ]
113# CHECK-MAX-NEXT:     Alignment: 0
114
115# Increase common-page-size to max-page-size. Expect to see a larger offset
116# of the first Section after the executable loadable segment due to the higher
117# alignment requirement.
118
119# RUN: ld.lld -z max-page-size=0x10000 -z common-page-size=0x10000 %t -o %t3
120# RUN: llvm-readobj --sections -l %t3 | FileCheck --check-prefix=CHECK-COMMON %s
121
122# Check that we truncate common-page-size to max-page-size
123
124# RUN: ld.lld -z max-page-size=0x10000 -z common-page-size=0x100000 %t -o %t4
125# RUN: llvm-readobj --sections -l %t4 | FileCheck --check-prefix=CHECK-COMMON %s
126
127# CHECK-COMMON: Sections [
128# CHECK-COMMON-NEXT:   Section {
129# CHECK-COMMON-NEXT:     Index: 0
130# CHECK-COMMON-NEXT:     Name:  (0)
131# CHECK-COMMON-NEXT:     Type: SHT_NULL (0x0)
132# CHECK-COMMON-NEXT:     Flags [ (0x0)
133# CHECK-COMMON-NEXT:     ]
134# CHECK-COMMON-NEXT:     Address: 0x0
135# CHECK-COMMON-NEXT:     Offset: 0x0
136# CHECK-COMMON-NEXT:     Size: 0
137# CHECK-COMMON-NEXT:     Link: 0
138# CHECK-COMMON-NEXT:     Info: 0
139# CHECK-COMMON-NEXT:     AddressAlignment: 0
140# CHECK-COMMON-NEXT:     EntrySize: 0
141# CHECK-COMMON-NEXT:   }
142# CHECK-COMMON-NEXT:   Section {
143# CHECK-COMMON-NEXT:     Index: 1
144# CHECK-COMMON-NEXT:     Name: .text (1)
145# CHECK-COMMON-NEXT:     Type: SHT_PROGBITS (0x1)
146# CHECK-COMMON-NEXT:     Flags [ (0x6)
147# CHECK-COMMON-NEXT:       SHF_ALLOC (0x2)
148# CHECK-COMMON-NEXT:       SHF_EXECINSTR (0x4)
149# CHECK-COMMON-NEXT:     ]
150# CHECK-COMMON-NEXT:     Address: 0x210120
151# CHECK-COMMON-NEXT:     Offset: 0x120
152# CHECK-COMMON-NEXT:     Size: 1
153# CHECK-COMMON-NEXT:     Link: 0
154# CHECK-COMMON-NEXT:     Info: 0
155# CHECK-COMMON-NEXT:     AddressAlignment: 4
156# CHECK-COMMON-NEXT:     EntrySize: 0
157# CHECK-COMMON-NEXT:   }
158# CHECK-COMMON-NEXT:   Section {
159# CHECK-COMMON-NEXT:     Index: 2
160# CHECK-COMMON-NEXT:     Name: .comment (7)
161# CHECK-COMMON-NEXT:     Type: SHT_PROGBITS (0x1)
162# CHECK-COMMON-NEXT:     Flags [ (0x30)
163# CHECK-COMMON-NEXT:       SHF_MERGE (0x10)
164# CHECK-COMMON-NEXT:       SHF_STRINGS (0x20)
165# CHECK-COMMON-NEXT:     ]
166# CHECK-COMMON-NEXT:     Address: 0x0
167# CHECK-COMMON-NEXT:     Offset: 0x121
168# CHECK-COMMON-NEXT:     Size: 8
169# CHECK-COMMON-NEXT:     Link: 0
170# CHECK-COMMON-NEXT:     Info: 0
171# CHECK-COMMON-NEXT:     AddressAlignment: 1
172# CHECK-COMMON-NEXT:     EntrySize: 1
173
174# CHECK-COMMON: ProgramHeaders [
175# CHECK-COMMON-NEXT:   ProgramHeader {
176# CHECK-COMMON-NEXT:     Type: PT_PHDR (0x6)
177# CHECK-COMMON-NEXT:     Offset: 0x40
178# CHECK-COMMON-NEXT:     VirtualAddress: 0x200040
179# CHECK-COMMON-NEXT:     PhysicalAddress: 0x200040
180# CHECK-COMMON-NEXT:     FileSize: 224
181# CHECK-COMMON-NEXT:     MemSize: 224
182# CHECK-COMMON-NEXT:     Flags [ (0x4)
183# CHECK-COMMON-NEXT:       PF_R (0x4)
184# CHECK-COMMON-NEXT:     ]
185# CHECK-COMMON-NEXT:     Alignment: 8
186# CHECK-COMMON-NEXT:   }
187# CHECK-COMMON-NEXT:   ProgramHeader {
188# CHECK-COMMON-NEXT:     Type: PT_LOAD (0x1)
189# CHECK-COMMON-NEXT:     Offset: 0x0
190# CHECK-COMMON-NEXT:     VirtualAddress: 0x200000
191# CHECK-COMMON-NEXT:     PhysicalAddress: 0x200000
192# CHECK-COMMON-NEXT:     FileSize: 288
193# CHECK-COMMON-NEXT:     MemSize: 288
194# CHECK-COMMON-NEXT:     Flags [ (0x4)
195# CHECK-COMMON-NEXT:       PF_R (0x4)
196# CHECK-COMMON-NEXT:     ]
197# CHECK-COMMON-NEXT:     Alignment: 65536
198# CHECK-COMMON-NEXT:   }
199# CHECK-COMMON-NEXT:   ProgramHeader {
200# CHECK-COMMON-NEXT:     Type: PT_LOAD (0x1)
201# CHECK-COMMON-NEXT:     Offset: 0x120
202# CHECK-COMMON-NEXT:     VirtualAddress: 0x210120
203# CHECK-COMMON-NEXT:     PhysicalAddress: 0x210120
204# CHECK-COMMON-NEXT:     FileSize: 1
205# CHECK-COMMON-NEXT:     MemSize: 1
206# CHECK-COMMON-NEXT:     Flags [ (0x5)
207# CHECK-COMMON-NEXT:       PF_R (0x4)
208# CHECK-COMMON-NEXT:       PF_X (0x1)
209# CHECK-COMMON-NEXT:     ]
210# CHECK-COMMON-NEXT:     Alignment: 65536
211# CHECK-COMMON-NEXT:   }
212# CHECK-COMMON-NEXT:   ProgramHeader {
213# CHECK-COMMON-NEXT:     Type: PT_GNU_STACK (0x6474E551)
214# CHECK-COMMON-NEXT:     Offset: 0x0
215# CHECK-COMMON-NEXT:     VirtualAddress: 0x0
216# CHECK-COMMON-NEXT:     PhysicalAddress: 0x0
217# CHECK-COMMON-NEXT:     FileSize: 0
218# CHECK-COMMON-NEXT:     MemSize: 0
219# CHECK-COMMON-NEXT:     Flags [ (0x6)
220# CHECK-COMMON-NEXT:       PF_R (0x4)
221# CHECK-COMMON-NEXT:       PF_W (0x2)
222# CHECK-COMMON-NEXT:     ]
223# CHECK-COMMON-NEXT:     Alignment: 0
224
225# RUN: not ld.lld -z max-page-size=0x10001 -z common-page-size=0x1001 %t -o /dev/null 2>&1 | FileCheck %s --check-prefix=INVALID
226
227# INVALID:      error: max-page-size: value isn't a power of 2
228# INVALID-NEXT: error: common-page-size: value isn't a power of 2
229