llvm-6502/test/MC/ELF/discriminator.s
Diego Novillo 837c54fa7b Support DWARF discriminators in object streamer.
Summary:
This adds support for emitting DWARF path discriminator values in
the object streamer. It also changes the DWARF dumper to show
discriminator values in the line table output.

Reviewers: echristo

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2794

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201427 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-14 19:27:53 +00:00

62 lines
2.7 KiB
ArmAsm

# RUN: llvm-mc -triple i386-unknown-unknown %s -filetype=obj -o %t.o
# RUN: llvm-readobj -r %t.o | FileCheck %s
# RUN: llvm-dwarfdump -debug-dump=line %t.o | FileCheck %s -check-prefix=DWARF-DUMP
.file 1 "foo.c"
.text
.globl foo
.type foo, @function
.align 4
foo:
.loc 1 2 discriminator 1
ret
.size foo, .-foo
.section .debug_info,"",@progbits
.L.debug_info_begin0:
.long 34 # Length of Unit
.short 4 # DWARF version number
.long .L.debug_abbrev_begin # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] 0xb:0x1b DW_TAG_compile_unit
.long .Linfo_string0 # DW_AT_producer
.short 12 # DW_AT_language
.long .Linfo_string1 # DW_AT_name
.quad 0 # DW_AT_low_pc
.long 0 # DW_AT_stmt_list
.long .Linfo_string2 # DW_AT_comp_dir
# DW_AT_APPLE_optimized
.section .debug_abbrev,"",@progbits
.L.debug_abbrev_begin:
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 0 # DW_CHILDREN_no
.byte 37 # DW_AT_producer
.byte 14 # DW_FORM_strp
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.byte 27 # DW_AT_comp_dir
.byte 14 # DW_FORM_strp
.ascii "\341\177" # DW_AT_APPLE_optimized
.byte 25 # DW_FORM_flag_present
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.L.debug_abbrev_end:
# CHECK: Relocations [
# CHECK: Section ({{[^ ]+}}) .rel.debug_line {
# CHECK-NEXT: 0x2D R_386_32 .text 0x0
# CHECK-NEXT: }
# DWARF-DUMP: Address Line Column File ISA Discriminator Flags
# DWARF-DUMP: ------------------ ------ ------ ------ --- ------------- -------------
# DWARF-DUMP: 0x0001021300000000 1 0 1 0 1 is_stmt