File: comdat.s

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-16
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,368 kB
  • sloc: cpp: 5,593,980; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (47 lines) | stat: -rw-r--r-- 1,458 bytes parent folder | download | duplicates (12)
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
// REQUIRES: x86
// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/comdat.s -o %t2.o
// RUN: ld.lld -shared %t.o %t2.o -o %t
// RUN: llvm-objdump -d %t | FileCheck %s
// RUN: llvm-readelf -S -s %t | FileCheck --check-prefix=READ %s

// Check that we don't crash with --gc-section and that we print a list of
// reclaimed sections on stderr.
// RUN: ld.lld --gc-sections --print-gc-sections -shared %t.o %t.o %t2.o -o %t \
// RUN:   2>&1 | FileCheck --check-prefix=GC %s
// GC: removing unused section {{.*}}.o:(.text)
// GC: removing unused section {{.*}}.o:(.text3)
// GC: removing unused section {{.*}}.o:(.text)
// GC: removing unused section {{.*}}.o:(.text)

.globl foo
        .section	.text2,"axG",@progbits,foo,comdat,unique,0
foo:
        nop

// CHECK: Disassembly of section .text2:
// CHECK-EMPTY:
// CHECK-NEXT: <foo>:
// CHECK-NEXT:   nop
// CHECK-NOT: nop

        .section bar, "ax"
        call foo

// CHECK: Disassembly of section bar:
// CHECK-EMPTY:
// CHECK-NEXT: <bar>:
// CHECK-NEXT:   callq  {{.*}} <foo@plt>

.weak zed
zed:
        .section .text3,"axG",@progbits,zed,comdat,unique,0

# READ: .text2 PROGBITS {{.*}} AX
# READ: .text3 PROGBITS {{.*}} AX

# SYM:  NOTYPE LOCAL  DEFAULT UND
# SYM:  NOTYPE LOCAL  HIDDEN  [[#]] _DYNAMIC
# SYM:  NOTYPE GLOBAL DEFAULT [[#]] foo
# SYM:  NOTYPE GLOBAL DEFAULT [[#]] zed
# SYM:  NOTYPE GLOBAL DEFAULT UND   abc