File: emit-relocs-gc.s

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (30 lines) | stat: -rw-r--r-- 856 bytes parent folder | download | duplicates (2) 
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
 
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o

## Show that we emit .rela.bar and .rela.text when GC is disabled.
# RUN: ld.lld --emit-relocs %t.o -o %t
# RUN: llvm-objdump %t --section-headers | FileCheck %s --check-prefix=NOGC
# NOGC: .rela.text
# NOGC: .rela.bar

## GC collects .bar section and we exclude .rela.bar from output. We keep
## .rela.text because we keep .text.
# RUN: ld.lld --gc-sections --emit-relocs --print-gc-sections %t.o -o %t \
# RUN:   | FileCheck --check-prefix=MSG %s
# MSG: removing unused section {{.*}}.o:(.bar)
# MSG: removing unused section {{.*}}.o:(.rela.bar)
# RUN: llvm-objdump %t --section-headers | FileCheck %s --check-prefix=GC
# GC-NOT:  rela.bar
# GC:      rela.text
# GC-NOT:  rela.bar

.section .bar,"a"
.quad .bar

.text
relocs:
.quad _start

.global _start
_start:
 nop