diff options
Diffstat (limited to 'lld/test/ELF/linkerscript/sections.s')
| -rw-r--r-- | lld/test/ELF/linkerscript/sections.s | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/lld/test/ELF/linkerscript/sections.s b/lld/test/ELF/linkerscript/sections.s new file mode 100644 index 00000000000..b68dac765a7 --- /dev/null +++ b/lld/test/ELF/linkerscript/sections.s @@ -0,0 +1,119 @@ +# REQUIRES: x86 +# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t + +# Empty SECTIONS command. +# RUN: echo "SECTIONS {}" > %t.script +# RUN: ld.lld -o %t1 --script %t.script %t +# RUN: llvm-objdump -section-headers %t1 | \ +# RUN: FileCheck -check-prefix=SEC-DEFAULT %s + +# SECTIONS command with the same order as default. +# RUN: echo "SECTIONS { \ +# RUN: .text : { *(.text) } \ +# RUN: .data : { *(.data) } }" > %t.script +# RUN: ld.lld -o %t2 --script %t.script %t +# RUN: llvm-objdump -section-headers %t2 | \ +# RUN: FileCheck -check-prefix=SEC-DEFAULT %s + +# Idx Name Size +# SEC-DEFAULT: 1 .text 0000000e {{[0-9a-f]*}} TEXT DATA +# SEC-DEFAULT: 2 .data 00000020 {{[0-9a-f]*}} DATA +# SEC-DEFAULT: 3 other 00000003 {{[0-9a-f]*}} DATA +# SEC-DEFAULT: 4 .bss 00000002 {{[0-9a-f]*}} BSS +# SEC-DEFAULT: 5 .shstrtab 00000002 {{[0-9a-f]*}} +# SEC-DEFAULT: 6 .symtab 00000030 {{[0-9a-f]*}} +# SEC-DEFAULT: 7 .shstrtab 00000032 {{[0-9a-f]*}} +# SEC-DEFAULT: 8 .strtab 00000008 {{[0-9a-f]*}} + +# Sections are put in order specified in linker script. +# RUN: echo "SECTIONS { \ +# RUN: .bss : { *(.bss) } \ +# RUN: other : { *(other) } \ +# RUN: .shstrtab : { *(.shstrtab) } \ +# RUN: .symtab : { *(.symtab) } \ +# RUN: .strtab : { *(.strtab) } \ +# RUN: .data : { *(.data) } \ +# RUN: .text : { *(.text) } }" > %t.script +# RUN: ld.lld -o %t3 --script %t.script %t +# RUN: llvm-objdump -section-headers %t3 | \ +# RUN: FileCheck -check-prefix=SEC-ORDER %s + +# Idx Name Size +# SEC-ORDER: 1 .bss 00000002 {{[0-9a-f]*}} BSS +# SEC-ORDER: 2 other 00000003 {{[0-9a-f]*}} DATA +# SEC-ORDER: 3 .shstrtab 00000002 {{[0-9a-f]*}} +# SEC-ORDER: 4 .shstrtab 00000032 {{[0-9a-f]*}} +# SEC-ORDER: 5 .symtab 00000030 {{[0-9a-f]*}} +# SEC-ORDER: 6 .strtab 00000008 {{[0-9a-f]*}} +# SEC-ORDER: 7 .data 00000020 {{[0-9a-f]*}} DATA +# SEC-ORDER: 8 .text 0000000e {{[0-9a-f]*}} TEXT DATA + +# .text and .data have swapped names but proper sizes and types. +# RUN: echo "SECTIONS { \ +# RUN: .data : { *(.text) } \ +# RUN: .text : { *(.data) } }" > %t.script +# RUN: ld.lld -o %t4 --script %t.script %t +# RUN: llvm-objdump -section-headers %t4 | \ +# RUN: FileCheck -check-prefix=SEC-SWAP-NAMES %s + +# Idx Name Size +# SEC-SWAP-NAMES: 1 .data 0000000e {{[0-9a-f]*}} TEXT DATA +# SEC-SWAP-NAMES: 2 .text 00000020 {{[0-9a-f]*}} DATA +# SEC-SWAP-NAMES: 3 other 00000003 {{[0-9a-f]*}} DATA +# SEC-SWAP-NAMES: 4 .bss 00000002 {{[0-9a-f]*}} BSS +# SEC-SWAP-NAMES: 5 .shstrtab 00000002 {{[0-9a-f]*}} +# SEC-SWAP-NAMES: 6 .symtab 00000030 {{[0-9a-f]*}} +# SEC-SWAP-NAMES: 7 .shstrtab 00000032 {{[0-9a-f]*}} +# SEC-SWAP-NAMES: 8 .strtab 00000008 {{[0-9a-f]*}} + +# .shstrtab from the input object file is discarded. +# RUN: echo "SECTIONS { \ +# RUN: /DISCARD/ : { *(.shstrtab) } }" > %t.script +# RUN: ld.lld -o %t5 --script %t.script %t +# RUN: llvm-objdump -section-headers %t5 | \ +# RUN: FileCheck -check-prefix=SEC-DISCARD %s + +# Idx Name Size +# SEC-DISCARD: 1 .text 0000000e {{[0-9a-f]*}} TEXT DATA +# SEC-DISCARD: 2 .data 00000020 {{[0-9a-f]*}} DATA +# SEC-DISCARD: 3 other 00000003 {{[0-9a-f]*}} DATA +# SEC-DISCARD: 4 .bss 00000002 {{[0-9a-f]*}} BSS +# SEC-DISCARD: 5 .symtab 00000030 {{[0-9a-f]*}} +# SEC-DISCARD: 6 .shstrtab 00000032 {{[0-9a-f]*}} +# SEC-DISCARD: 7 .strtab 00000008 {{[0-9a-f]*}} + +# Multiple SECTIONS command specifying additional input section descriptions +# for the same output section description - input sections are merged into +# one output section. +# RUN: echo "SECTIONS { \ +# RUN: .text : { *(.text) } \ +# RUN: .data : { *(.data) } } \ +# RUN: SECTIONS { \ +# RUN: .data : { *(other) } }" > %t.script +# RUN: ld.lld -o %t6 --script %t.script %t +# RUN: llvm-objdump -section-headers %t6 | \ +# RUN: FileCheck -check-prefix=SEC-MULTI %s + +# Idx Name Size +# SEC-MULTI: 1 .text 0000000e {{[0-9a-f]*}} TEXT DATA +# SEC-MULTI: 2 .data 00000023 {{[0-9a-f]*}} DATA +# SEC-MULTI: 3 .bss 00000002 {{[0-9a-f]*}} BSS +# SEC-MULTI: 4 .shstrtab 00000002 {{[0-9a-f]*}} +# SEC-MULTI: 5 .symtab 00000030 {{[0-9a-f]*}} +# SEC-MULTI: 6 .shstrtab 0000002c {{[0-9a-f]*}} +# SEC-MULTI: 7 .strtab 00000008 {{[0-9a-f]*}} + +.globl _start +_start: + mov $60, %rax + mov $42, %rdi + +.section .data,"aw" +.quad 10, 10, 20, 20 +.section other,"aw" +.short 10 +.byte 20 +.section .shstrtab,"" +.short 20 +.section .bss,"",@nobits +.short 0 |
