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
45
46
47
48
49
|
# REQUIRES: x86
# RUN: split-file %s %t
# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/asm -o %t.o
# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/mismatch.s -o %t/mismatch.o
# RUN: ld.lld --script %t/lds %t.o -o %t/out
# RUN: llvm-readelf -S -l %t/out | FileCheck %s
# CHECK: Name Type Address Off Size
# CHECK: .data_noload_a NOBITS 0000000000000000 [[OFF:[0-9a-f]+]] 001000
# CHECK-NEXT: .data_noload_b NOBITS 0000000000010000 [[OFF]] 001000
# CHECK-NEXT: .no_input_sec_noload NOBITS 0000000000011000 [[OFF]] 000001
# CHECK: Type Offset VirtAddr PhysAddr
# CHECK-NEXT: LOAD 0x001000 0x0000000000000000 0x0000000000000000
# CHECK-NEXT: LOAD 0x001000 0x0000000000020000 0x0000000000020000
# CHECK: 00 .data_noload_a .data_noload_b .no_input_sec_noload {{$}}
# CHECK: 01 .text {{$}}
## The output SHT_PROBITS is contrary to the user expectation of SHT_NOBITS.
## Issue a warning. See https://github.com/ClangBuiltLinux/linux/issues/1597
# RUN: ld.lld --script %t/lds %t.o %t/mismatch.o -o %t/out 2>&1 | FileCheck %s --check-prefix=WARN
# RUN: llvm-readelf -S -l %t/out | FileCheck %s --check-prefix=CHECK2
# WARN: warning: section type mismatch for .data_noload_a
# CHECK2: Name Type Address Off Size
# CHECK2: .data_noload_a NOBITS 0000000000000000 [[OFF:[0-9a-f]+]] 001001
#--- asm
.section .text,"ax",@progbits
nop
.section .data_noload_a,"aw",@nobits
.zero 4096
.section .data_noload_b,"aw",@nobits
.zero 4096
#--- mismatch.s
.section .data_noload_a,"aw",@progbits
.byte 1
#--- lds
SECTIONS {
.data_noload_a (NOLOAD) : { *(.data_noload_a) }
.data_noload_b (0x10000) (NOLOAD) : { *(.data_noload_b) }
.no_input_sec_noload (NOLOAD) : { . += 1; }
.text (0x20000) : { *(.text) }
}
|
