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| author | Diego Novillo <dnovillo@google.com> | 2014-02-14 19:27:53 +0000 |
|---|---|---|
| committer | Diego Novillo <dnovillo@google.com> | 2014-02-14 19:27:53 +0000 |
| commit | 837c54fa7bc1873fc739cbc163b8b5f207bc996c (patch) | |
| tree | 1cff438c31507646df2508056f43170bc0febfc2 /test/MC/ELF | |
| parent | fba2a769a1f9a05437b1d98c99bb827fb7b44482 (diff) | |
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
Diffstat (limited to 'test/MC/ELF')
| -rw-r--r-- | test/MC/ELF/discriminator.s | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/test/MC/ELF/discriminator.s b/test/MC/ELF/discriminator.s new file mode 100644 index 00000000000..8a695b96ede --- /dev/null +++ b/test/MC/ELF/discriminator.s @@ -0,0 +1,61 @@ +# 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 |