llvm-project/lld/test/ELF/gdb-index-icf.s

68 lines
2.5 KiB
ArmAsm

# REQUIRES: x86
## Test that the address range contributed by an ICF folded function is identical
## to that of the folded-in function. Not considering ICF may lead to an address
## range whose low address equals the start address of the output section.
# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
# RUN: ld.lld --gdb-index --icf=all -Ttext=0x1000 %t.o -o %t
# RUN: llvm-dwarfdump --gdb-index %t | FileCheck %s
# CHECK: Address area offset = 0x38, has 2 entries:
# CHECK-NEXT: Low/High address = [0x1001, 0x1002) (Size: 0x1), CU id = 0
# CHECK-NEXT: Low/High address = [0x1001, 0x1002) (Size: 0x1), CU id = 1
.text
nop
.section .text.0,"ax"
.Lfunc_begin0:
ret
.Lfunc_end0:
.section .text.1,"ax"
.Lfunc_begin1:
ret
.Lfunc_end1:
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 65 # DW_TAG_type_unit
.byte 0 # DW_CHILDREN_no
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 0 # DW_CHILDREN_no
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_info,"",@progbits
.Lcu_begin0:
.long .Lcu_end0-.Lcu_begin0-4 # Length of Unit
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 2 # Abbrev [2] DW_TAG_compile_unit
.quad .Lfunc_begin0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.Lcu_end0:
.Lcu_begin1:
.long .Lcu_end1-.Lcu_begin1-4 # Length of Unit
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 2 # Abbrev [2] DW_TAG_compile_unit
.quad .Lfunc_begin1 # DW_AT_low_pc
.long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc
.Lcu_end1: