File: relocation-undefined-weak.s

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 1,998,520 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 (28 lines) | stat: -rw-r--r-- 816 bytes parent folder | download | duplicates (19)
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
# REQUIRES: x86

## On some targets (e.g. ARM, AArch64, and PPC), PC relative relocations to
## weak undefined symbols resolve to special positions. On many others
## the target symbols as treated as VA 0. Absolute relocations are always 
## resolved as VA 0.

# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
# RUN: ld.lld %t.o -o %t

# RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex %t | FileCheck %s --check-prefix=TEXT
# TEXT: 201158: movl $0x1, -0x201162(%rip)

# RUN: llvm-readelf -r --hex-dump=.data %t | FileCheck %s --check-prefix=DATA
# DATA: Hex dump of section '.data':
# DATA-NEXT: {{.*}} 00000000 00000000 
# DATA-EMPTY:

# RUN: llvm-readelf -r %t | FileCheck %s --check-prefix=NORELCS
# NORELCS: no relocations

.global _start
_start:
  movl $1, sym1(%rip)

.data
.weak sym1
.quad sym1