File: provide-shared.s

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (33 lines) | stat: -rw-r--r-- 632 bytes parent folder | download | duplicates (17) 
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
 
# REQUIRES: x86
# RUN: rm -rf %t && split-file %s %t && cd %t
# RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o
# RUN: llvm-mc -filetype=obj -triple=x86_64 b.s -o b.o
# RUN: ld.lld b.o -o b.so -shared -soname=b.so
# RUN: ld.lld -T a.t a.o b.so -o a
# RUN: llvm-readelf -s a | FileCheck  %s

# CHECK: 000000000000002a 0 NOTYPE GLOBAL DEFAULT ABS f1
# CHECK: 000000000000002a 0 NOTYPE GLOBAL DEFAULT ABS f2

#--- a.s
.global _start
_start:
.quad f1

#--- b.s
.global f1
.size f1, 8
.type f1, @object
f1:
.quad 42

.global f2
.data
.dc.a f2

#--- a.t
SECTIONS {
  . = . + SIZEOF_HEADERS;
  PROVIDE(f1 = 42);
  PROVIDE(f2 = 42);
}