File: dwarf5-loclists.test

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llvm-toolchain-17 1%3A17.0.6-22
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## Test that DWARFv5 .debug_loclists is correctly recognized
## and converted into the DW_FORM_sec_offset form in --garbage-collection
## case or correctly preserved in --no-garbage-collection case.

# RUN: yaml2obj %s -o %t.o

# RUN: llvm-dwarfutil %t.o %t1
# RUN: llvm-dwarfdump -verify %t1 | FileCheck %s
# RUN: llvm-dwarfdump -a --verbose %t1 | FileCheck %s --check-prefix DWARF-CHECK

# RUN: llvm-dwarfutil --no-garbage-collection %t.o %t1
# RUN: llvm-dwarfdump -verify %t1 | FileCheck %s
# RUN: llvm-dwarfdump -a --verbose %t1 | FileCheck %s --check-prefix UPD-DWARF-CHECK

# RUN: llvm-dwarfutil --no-garbage-collection --build-accelerator=DWARF %t.o %t1
# RUN: llvm-dwarfdump -verify %t1 | FileCheck %s
# RUN: llvm-dwarfdump -a --verbose %t1 | FileCheck %s --check-prefix UPD-DWARF-CHECK

#CHECK: No errors.

#DWARF-CHECK: DW_TAG_compile_unit
#DWARF-CHECK: DW_AT_name {{.*}}"CU1"
#DWARF-CHECK-NOT: DW_AT_loclists_base
#DWARF-CHECK: DW_TAG_variable
#DWARF-CHECK: DW_AT_name {{.*}}"var1"
#DWARF-CHECK: DW_AT_location [DW_FORM_sec_offset]      (0x0000000c:
#DWARF-CHECK: [0x0000000000001130, 0x0000000000001140): DW_OP_reg5 RDI)
#DWARF-CHECK: DW_AT_name {{.*}}"var2"
#DWARF-CHECK: DW_AT_location [DW_FORM_sec_offset]     (0x00000014:
#DWARF-CHECK: <default>: DW_OP_reg5 RDI)
#DWARF-CHECK: DW_TAG_variable
#DWARF-CHECK: DW_AT_name {{.*}}"var3"
#DWARF-CHECK: DW_AT_location [DW_FORM_sec_offset]     (0x00000018:
#DWARF-CHECK: [0x0000000000001140, 0x0000000000001150): DW_OP_reg5 RDI
#DWARF-CHECK: [0x0000000000001160, 0x0000000000001170): DW_OP_reg6 RBP)

#UPD-DWARF-CHECK: DW_TAG_compile_unit
#UPD-DWARF-CHECK:   DW_AT_name {{.*}}"CU1"
#UPD-DWARF-CHECK:              DW_AT_loclists_base [DW_FORM_sec_offset]  (0x0000000c)
#UPD-DWARF-CHECK:   DW_TAG_variable
#UPD-DWARF-CHECK:     DW_AT_name {{.*}}"var1"
#UPD-DWARF-CHECK:     DW_AT_location [DW_FORM_loclistx]       (indexed (0x0) loclist = 0x00000018:
#UPD-DWARF-CHECK:     [0x0000000000001130, 0x0000000000001140): DW_OP_reg5 RDI)
#UPD-DWARF-CHECK:   DW_TAG_variable
#UPD-DWARF-CHECK:     DW_AT_name {{.*}}"var2"
#UPD-DWARF-CHECK:     DW_AT_location [DW_FORM_loclistx]       (indexed (0x1) loclist = 0x0000001e:
#UPD-DWARF-CHECK:        <default>: DW_OP_reg5 RDI)
#UPD-DWARF-CHECK:   DW_TAG_variable
#UPD-DWARF-CHECK:     DW_AT_name {{.*}}"var3"
#UPD-DWARF-CHECK:     DW_AT_location [DW_FORM_loclistx]       (indexed (0x2) loclist = 0x00000022:
#UPD-DWARF-CHECK:        [0x0000000000001140, 0x0000000000001150): DW_OP_reg5 RDI
#UPD-DWARF-CHECK:        [0x0000000000001160, 0x0000000000001170): DW_OP_reg6 RBP)

## Following yaml description has Content of the .debug_rnglists exactly like following data vvvvvvvvvvv
## .debug_rnglists contents:
## 0x00000000: range list header: length = 0x0000003e, format = DWARF32, version = 0x0005, addr_size = 0x08, seg_size = 0x00, offset_entry_count = 0x00000005
## offsets: [
## 0x00000014 => 0x00000020
## 0x00000018 => 0x00000024
## 0x0000001c => 0x00000028
## 0x00000027 => 0x00000033
## 0x00000032 => 0x0000003e
## ]
## ranges:
## 0x00000020: [DW_RLE_startx_length]:  0x0000000000000000, 0x0000000000000010 => [0x0000000000001130, 0x0000000000001140)
## 0x00000023: [DW_RLE_end_of_list  ]
## 0x00000024: [DW_RLE_startx_length]:  0x0000000000000001, 0x0000000000000010 => [0x0000000000001140, 0x0000000000001150)
## 0x00000027: [DW_RLE_end_of_list  ]
## 0x00000028: [DW_RLE_start_length ]:  0x0000000000001150, 0x0000000000000010 => [0x0000000000001150, 0x0000000000001160)
## 0x00000032: [DW_RLE_end_of_list  ]
## 0x00000033: [DW_RLE_start_length ]:  0x0000000000001160, 0x0000000000000010 => [0x0000000000001160, 0x0000000000001170)
## 0x0000003d: [DW_RLE_end_of_list  ]
## 0x0000003e: [DW_RLE_startx_length]:  0x0000000000000000, 0x0000000000000040 => [0x0000000000001130, 0x0000000000001170)
## 0x00000041: [DW_RLE_end_of_list  ]


## Following yaml description has Content of the .debug_loclists exactly like following data vvvvvvvvvvv
## .debug_loclists contents:
## 0x00000000: locations list header: length = 0x00000029, format = DWARF32, version = 0x0005, addr_size = 0x08, seg_size = 0x00, offset_entry_count = 0x00000003
## offsets: [
## 0x0000000c => 0x00000018
## 0x00000012 => 0x0000001e
## 0x00000016 => 0x00000022
## ]
## 0x00000018:
##             DW_LLE_startx_length   (0x0000000000000000, 0x0000000000000010): DW_OP_reg5 RDI
##             DW_LLE_end_of_list     ()
##
## 0x0000001e:
##             DW_LLE_default_location()
##                       => <default>: DW_OP_reg5 RDI
##             DW_LLE_end_of_list     ()
##
## 0x00000022:
##             DW_LLE_startx_length   (0x0000000000000001, 0x0000000000000010): DW_OP_reg5 RDI
##             DW_LLE_startx_length   (0x0000000000000003, 0x0000000000000010): DW_OP_reg6 RBP
##             DW_LLE_end_of_list     ()

--- !ELF
FileHeader:
  Class:    ELFCLASS64
  Data:     ELFDATA2LSB
  Type:     ET_REL
  Machine:  EM_X86_64
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    Address:         0x1130
    Size:            0x70
  - Name:            .debug_rnglists
    Type:            SHT_PROGBITS
    Flags:           [  ]
    Content:        "3e000000050008000500000014000000180000001c000000270000003200000003001000030110000750110000000000001000076011000000000000100003004000"
  - Name:            .debug_loclists
    Type:            SHT_PROGBITS
    Flags:           [  ]
    Content:        "2900000005000800030000000c0000001200000016000000030010015500050155000301100155030310015600"
DWARF:
  debug_abbrev:
    - Table:
      - Tag:      DW_TAG_compile_unit
        Children: DW_CHILDREN_yes
        Attributes:
          - Attribute: DW_AT_producer
            Form:      DW_FORM_string
          - Attribute: DW_AT_language
            Form:      DW_FORM_data2
          - Attribute: DW_AT_name
            Form:      DW_FORM_string
          - Attribute: DW_AT_low_pc
            Form:      DW_FORM_addrx
          - Attribute: DW_AT_ranges
            Form:      DW_FORM_rnglistx
          - Attribute: DW_AT_rnglists_base
            Form:      DW_FORM_sec_offset
          - Attribute: DW_AT_loclists_base
            Form:      DW_FORM_sec_offset
          - Attribute: DW_AT_addr_base
            Form:      DW_FORM_sec_offset
      - Tag:      DW_TAG_base_type
        Children: DW_CHILDREN_no
        Attributes:
          - Attribute: DW_AT_name
            Form:      DW_FORM_string
      - Tag:      DW_TAG_variable
        Children: DW_CHILDREN_no
        Attributes:
          - Attribute: DW_AT_name
            Form:      DW_FORM_string
          - Attribute: DW_AT_const_value
            Form:      DW_FORM_data4
          - Attribute: DW_AT_type
            Form:      DW_FORM_ref_addr
          - Attribute: DW_AT_location
            Form:      DW_FORM_loclistx
  debug_info:
    - Version: 5
      UnitType:   DW_UT_compile
      Entries:
        - AbbrCode: 1
          Values:
            - CStr: by_hand
            - Value:  0x04
            - CStr: CU1
            - Value:  0x0
            - Value:  0x4
            - Value:  0xc
            - Value:  0xc
            - Value:  0x8
        - AbbrCode: 2
          Values:
            - CStr: int
        - AbbrCode: 3
          Values:
            - CStr: var1
            - Value:  0x00000000
            - Value:  0x00000029
            - Value:  0x0
        - AbbrCode: 3
          Values:
            - CStr: var2
            - Value:  0x00000000
            - Value:  0x00000029
            - Value:  0x1
        - AbbrCode: 3
          Values:
            - CStr: var3
            - Value:  0x00000000
            - Value:  0x00000029
            - Value:  0x2
        - AbbrCode: 0
  debug_addr:
    - Version: 5
      AddressSize: 0x08
      Entries:
        - Address: 0x1130
        - Address: 0x1140
        - Address: 0x1150
        - Address: 0x1160
...