File: generate-empty-CU.test

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (35 lines) | stat: -rw-r--r-- 1,387 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
# RUN: dsymutil -f -o - -oso-prepend-path=%p/.. -y %s | llvm-dwarfdump -v - | FileCheck %s

# RUN: dsymutil --linker parallel -f -o - -oso-prepend-path=%p/.. -y %s | llvm-dwarfdump -v - | FileCheck %s

# This test on links the Dwarf for an LTO binary and on purpose doesn't retain
# any symbol in the second CU out of 3. To be valid DWARF dsymutil must not
# generate an empty CU but omit it.

---
triple:          'x86_64-apple-darwin'
objects:
  - filename:        /Inputs/basic-lto.macho.x86_64.o
    timestamp:       1417654896
    symbols:
      - { sym: _main, objAddr: 0x0000000000000000, binAddr: 0x0000000100000F40, size: 0x00000010 }
      - { sym: _bar, objAddr: 0x0000000000000050, binAddr: 0x0000000100000F90, size: 0x00000024 }
...

.debug_info contents:
CHECK: Compile Unit: length = 0x0000007d, format = DWARF32, version = 0x0002, abbr_offset = 0x0000, addr_size = 0x08 (next unit at 0x00000081)

CHECK: DW_TAG_compile_unit
CHECK:        DW_AT_name {{.*}} "basic1.c"
CHECK:   DW_TAG_subprogram
                DW_AT_name {{.*}} "main"

CHECK: 0x00000081: Compile Unit: length = 0x00000089, format = DWARF32, version = 0x0002, abbr_offset = 0x00{{00|53}}, addr_size = 0x08 (next unit at 0x0000010e)

CHECK: DW_TAG_compile_unit
CHECK:        DW_AT_name {{.*}} "basic3.c"

CHECK:   DW_TAG_subprogram
CHECK:          DW_AT_name {{.*}} = "bar"

CHECK-NOT: DW_TAG_compile_unit