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