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// Should set the value of the "_end" symbol to the end of the data segment.
// REQUIRES: x86
// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
// By default, the .bss section is the latest section of the data segment.
// RUN: ld.lld %t.o -o %t
// RUN: llvm-readobj -sections -symbols %t | FileCheck %s --check-prefix=DEFAULT
// DEFAULT: Sections [
// DEFAULT: Name: .bss
// DEFAULT-NEXT: Type:
// DEFAULT-NEXT: Flags [
// DEFAULT-NEXT: SHF_ALLOC
// DEFAULT-NEXT: SHF_WRITE
// DEFAULT-NEXT: ]
// DEFAULT-NEXT: Address: 0x12002
// DEFAULT-NEXT: Offset:
// DEFAULT-NEXT: Size: 6
// DEFAULT: ]
// DEFAULT: Symbols [
// DEFAULT: Name: _end
// DEFAULT-NEXT: Value: 0x12008
// DEFAULT: ]
// If there is no .bss section, "_end" should point to the end of the .data section.
// RUN: echo "SECTIONS { \
// RUN: /DISCARD/ : { *(.bss) } }" > %t.script
// RUN: ld.lld %t.o --script %t.script -o %t
// RUN: llvm-readobj -sections -symbols %t | FileCheck %s --check-prefix=NOBSS
// NOBSS: Sections [
// NOBSS: Name: .data
// NOBSS-NEXT: Type:
// NOBSS-NEXT: Flags [
// NOBSS-NEXT: SHF_ALLOC
// NOBSS-NEXT: SHF_WRITE
// NOBSS-NEXT: ]
// NOBSS-NEXT: Address: 0x12000
// NOBSS-NEXT: Offset:
// NOBSS-NEXT: Size: 2
// NOBSS: ]
// NOBSS: Symbols [
// NOBSS: Name: _end
// NOBSS-NEXT: Value: 0x12002
// NOBSS: ]
// If the layout of the sections is changed, "_end" should point to the end of allocated address space.
// RUN: echo "SECTIONS { \
// RUN: .bss : { *(.bss) } \
// RUN: .data : { *(.data) } \
// RUN: .text : { *(.text) } }" > %t.script
// RUN: ld.lld %t.o --script %t.script -o %t
// RUN: llvm-readobj -sections -symbols %t | FileCheck %s --check-prefix=TEXTATEND
// TEXTATEND: Sections [
// TEXTATEND: Name: .text
// TEXTATEND-NEXT: Type:
// TEXTATEND-NEXT: Flags [
// TEXTATEND-NEXT: SHF_ALLOC
// TEXTATEND-NEXT: SHF_EXECINSTR
// TEXTATEND-NEXT: ]
// TEXTATEND-NEXT: Address: 0x12000
// TEXTATEND-NEXT: Offset:
// TEXTATEND-NEXT: Size: 1
// TEXTATEND: ]
// TEXTATEND: Symbols [
// TEXTATEND: Name: _end
// TEXTATEND-NEXT: Value: 0x12001
// TEXTATEND: ]
.global _start,_end
.text
_start:
nop
.data
.word 1
.bss
.space 6
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