llvm-project/lld/test/ELF/linkerscript-sections.s

120 lines
4.6 KiB
ArmAsm

# 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