gc-sections.s
2.58 KB
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# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
# RUN: ld.lld %t -o %t2
# RUN: llvm-readobj --sections --symbols %t2 | FileCheck -check-prefix=NOGC %s
# RUN: ld.lld --gc-sections %t -o %t2
# RUN: llvm-readobj --sections --symbols %t2 | FileCheck -check-prefix=GC1 %s
# RUN: ld.lld --export-dynamic --gc-sections %t -o %t2
# RUN: llvm-readobj --sections --symbols %t2 | FileCheck -check-prefix=GC2 %s
# NOGC: Name: .eh_frame
# NOGC: Name: .text
# NOGC: Name: .init
# NOGC: Name: .fini
# NOGC: Name: .tdata
# NOGC: Name: .tbss
# NOGC: Name: .ctors
# NOGC: Name: .dtors
# NOGC: Name: .debug_pubtypes
# NOGC: Name: .comment
# NOGC: Name: a
# NOGC: Name: b
# NOGC: Name: c
# NOGC: Name: e
# NOGC: Name: f
# NOGC: Name: g
# NOGC: Name: h
# NOGC: Name: x
# NOGC: Name: y
# NOGC: Name: d
# GC1: Name: .eh_frame
# GC1: Name: .text
# GC1: Name: .init
# GC1: Name: .fini
# GC1: Name: .tdata
# GC1: Name: .tbss
# GC1: Name: .ctors
# GC1: Name: .dtors
# GC1: Name: .debug_pubtypes
# GC1: Name: .comment
# GC1: Name: a
# GC1: Name: b
# GC1: Name: c
# GC1: Name: e
# GC1-NOT: Name: f
# GC1: Name: g
# GC1-NOT: Name: h
# GC1-NOT: Name: x
# GC1-NOT: Name: y
# GC1-NOT: Name: d
# GC2: Name: .eh_frame
# GC2: Name: .text
# GC2: Name: .init
# GC2: Name: .fini
# GC2: Name: .tdata
# GC2: Name: .tbss
# GC2: Name: .ctors
# GC2: Name: .dtors
# GC2: Name: .debug_pubtypes
# GC2: Name: .comment
# GC2: Name: a
# GC2: Name: b
# GC2: Name: c
# GC2: Name: e
# GC2-NOT: Name: f
# GC2: Name: g
# GC2-NOT: Name: h
# GC2-NOT: Name: x
# GC2-NOT: Name: y
# GC2: Name: d
.globl _start, d
.protected a, b, c, e, f, g, h, x, y
_start:
call a
.section .text.a,"ax",@progbits
a:
call _start
call b
.section .text.b,"ax",@progbits
b:
leaq e@tpoff(%rax),%rdx
call c
.section .text.c,"ax",@progbits
c:
leaq g@tpoff(%rax),%rdx
.section .text.d,"ax",@progbits
d:
nop
.section .text.x,"ax",@progbits
x:
call y
.section .text.y,"ax",@progbits
y:
call x
.section .tbss.e,"awT",@nobits
e:
.quad 0
.section .tbss.f,"awT",@nobits
f:
.quad 0
.section .tdata.g,"awT",@progbits
g:
.quad 0
.section .tdata.h,"awT",@progbits
h:
.quad 0
.section .ctors,"aw",@progbits
.quad 0
.section .dtors,"aw",@progbits
.quad 0
.section .init,"aw",@init_array
.quad 0
.section .fini,"aw",@fini_array
.quad 0
.section .preinit_array,"aw",@preinit_array
.quad 0
.section .eh_frame,"a",@unwind
.quad 0
.section .debug_pubtypes,"",@progbits
.quad 0
.section .comment,"MS",@progbits,8
.quad 0