| # RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o |
| # RUN: llvm-dwarfdump -v -debug-info %t.o 2> %t.err | FileCheck %s |
| # RUN: FileCheck %s --input-file %t.err --check-prefix=ERR |
| # RUN: llvm-dwarfdump -lookup 10 %t.o 2> %t2.err |
| # RUN: FileCheck %s --input-file %t2.err --check-prefix=ERR |
| |
| # Test object to verify dwarfdump handles v5 range lists. |
| # We use very simplified compile unit dies. |
| # There are 2 full CUs with DW_AT_rnglists_base, one with a DW_AT_ranges |
| # attribute using DW_FORM_sec_offset, the other with DW_AT_ranges using |
| # DW_FORM_rnglistx. |
| |
| .section .debug_abbrev,"",@progbits |
| .byte 0x01 # Abbrev code |
| .byte 0x11 # DW_TAG_compile_unit |
| .byte 0x00 # DW_CHILDREN_no |
| .byte 0x74 # DW_AT_rnglists_base |
| .byte 0x17 # DW_FORM_sec_offset |
| .byte 0x55 # DW_AT_ranges |
| .byte 0x17 # DW_FORM_sec_offset |
| .byte 0x00 # EOM(1) |
| .byte 0x00 # EOM(2) |
| .byte 0x02 # Abbrev code |
| .byte 0x11 # DW_TAG_compile_unit |
| .byte 0x00 # DW_CHILDREN_no |
| .byte 0x74 # DW_AT_rnglists_base |
| .byte 0x17 # DW_FORM_sec_offset |
| .byte 0x55 # DW_AT_ranges |
| .byte 0x23 # DW_FORM_rnglistx |
| .byte 0x00 # EOM(1) |
| .byte 0x00 # EOM(2) |
| .byte 0x00 # EOM(3) |
| |
| # The split CU uses DW_FORM_rnglistx (the only correct option). |
| # There is no DW_AT_rnglists_base in split units. |
| .section .debug_abbrev.dwo,"",@progbits |
| .byte 0x01 # Abbrev code |
| .byte 0x11 # DW_TAG_compile_unit |
| .byte 0x00 # DW_CHILDREN_no |
| .byte 0x55 # DW_AT_ranges |
| .byte 0x23 # DW_FORM_rnglistx |
| .byte 0x00 # EOM(1) |
| .byte 0x00 # EOM(2) |
| .byte 0x00 # EOM(3) |
| |
| .section .debug_info,"",@progbits |
| .long CU1_5_end-CU1_5_version # Length of Unit |
| CU1_5_version: |
| .short 5 # DWARF version number |
| .byte 1 # DWARF Unit Type |
| .byte 4 # Address Size (in bytes) |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| # The compile-unit DIE, which has DW_AT_rnglists_base and DW_AT_ranges. |
| .byte 1 # Abbreviation code |
| .long Rnglist_Table0_base # DW_AT_rnglists_base |
| .long Rnglist_Table0_Rnglist0 # DW_AT_ranges |
| .byte 0 # NULL |
| .byte 0 # NULL |
| CU1_5_end: |
| |
| .long CU2_5_end-CU2_5_version # Length of Unit |
| CU2_5_version: |
| .short 5 # DWARF version number |
| .byte 1 # DWARF Unit Type |
| .byte 4 # Address Size (in bytes) |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| # The compile-unit DIE, which has DW_AT_rnglists_base and DW_AT_ranges. |
| .byte 2 # Abbreviation code |
| .long Rnglist_Table0_base # DW_AT_rnglists_base |
| .uleb128 1 # DW_AT_ranges |
| .byte 0 # NULL |
| CU2_5_end: |
| # A CU with an invalid DW_AT_rnglists_base attribute |
| .long CU3_5_end-CU3_5_version # Length of Unit |
| CU3_5_version: |
| .short 5 # DWARF version number |
| .byte 1 # DWARF Unit Type |
| .byte 4 # Address Size (in bytes) |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| # The compile-unit DIE, which has DW_AT_rnglists_base and DW_AT_ranges. |
| .byte 2 # Abbreviation code |
| .long 0x8 # DW_AT_rnglists_base |
| .long 0 # DW_AT_ranges |
| .byte 0 # NULL |
| CU3_5_end: |
| # A CU DIE with an incorrect DW_AT_ranges attribute |
| .long CU4_5_end-CU4_5_version # Length of Unit |
| CU4_5_version: |
| .short 5 # DWARF version number |
| .byte 1 # DWARF Unit Type |
| .byte 4 # Address Size (in bytes) |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| # The compile-unit DIE, which has DW_AT_rnglists_base and DW_AT_ranges. |
| .byte 1 # Abbreviation code |
| .long Rnglist_Table0_base # DW_AT_rnglists_base |
| .long 4000 # DW_AT_ranges |
| .byte 0 # NULL |
| CU4_5_end: |
| |
| .section .debug_info.dwo,"",@progbits |
| |
| # DWARF v5 split CU header. |
| .long CU_split_5_end-CU_split_5_version # Length of Unit |
| CU_split_5_version: |
| .short 5 # DWARF version number |
| .byte 5 # DWARF Unit Type |
| .byte 4 # Address Size (in bytes) |
| .long 0 # Offset Into Abbrev Section |
| # The compile-unit DIE, which has DW_AT_rnglists_base and DW_AT_ranges. |
| .byte 1 # Abbreviation code |
| .uleb128 1 # DW_AT_ranges |
| .byte 0 # NULL |
| CU_split_5_end: |
| |
| .section .debug_rnglists,"",@progbits |
| # A rnglist table with 2 range lists. The first one uses DW_RLE_start_end |
| # and DW_RLE_start_length. The second one uses DW_RLE_base_address and |
| # DW_RLE_offset_pair. The range lists have entries in the offset table. |
| .long Rnglist_Table0_end - Rnglist_Table0 # table length |
| Rnglist_Table0: |
| .short 5 # version |
| .byte 4 # address size |
| .byte 0 # segment selector size |
| .long 2 # offset entry count |
| Rnglist_Table0_base: |
| # 2 offset entries which can be used by DW_FORM_rnglistx. |
| .long Rnglist_Table0_Rnglist0 - Rnglist_Table0_base |
| .long Rnglist_Table0_Rnglist1 - Rnglist_Table0_base |
| Rnglist_Table0_Rnglist0: |
| .byte 6 # DW_RLE_start_end |
| .long Range0_start |
| .long Range0_end |
| .byte 7 # DW_RLE_start_length |
| .long Range1_start |
| .uleb128 Range1_end - Range1_start |
| .byte 0 # DW_RLE_end_of_list |
| Rnglist_Table0_Rnglist1: |
| .byte 5 # DW_RLE_base_address |
| .long Range0_start |
| .byte 4 # DW_RLE_offset_pair |
| .uleb128 Range1_start - Range0_start |
| .uleb128 Range1_end - Range0_start |
| .byte 0 # DW_RLE_end_of_list |
| Rnglist_Table0_end: |
| |
| # A rnglist table for the split unit with an empty rangelist and one that |
| # uses DW_RLE_base_address and DW_RLE_offset_pair. The ranges have entries |
| # in the offset table. We use the empty range list so we can test |
| # DW_FORM_rnglistx with an index other than 0. |
| .section .debug_rnglists.dwo,"",@progbits |
| .long Rnglist_Table0_dwo_end - Rnglist_Table0_dwo # table length |
| Rnglist_Table0_dwo: |
| .short 5 # version |
| .byte 4 # address size |
| .byte 0 # segment selector size |
| .long 2 # offset entry count |
| Rnglist_Table0_base_dwo: |
| # 2 offset entries which can be used by DW_FORM_rnglistx. |
| .long Rnglist_Table0_Rnglist0_dwo - Rnglist_Table0_base_dwo |
| .long Rnglist_Table0_Rnglist1_dwo - Rnglist_Table0_base_dwo |
| Rnglist_Table0_Rnglist0_dwo: |
| .byte 0 # DW_RLE_start_end |
| Rnglist_Table0_Rnglist1_dwo: |
| .byte 5 # DW_RLE_base_address |
| .long Range0_start - .text |
| .byte 4 # DW_RLE_offset_pair |
| .uleb128 Range1_start - Range0_start |
| .uleb128 Range1_end - Range0_start |
| .byte 0 # DW_RLE_end_of_list |
| Rnglist_Table0_dwo_end: |
| |
| .text |
| .space 20 |
| Range0_start: # Range0: 0x14 - 0x1c |
| .space 10 |
| Range0_end: |
| .space 12 |
| Range1_start: # Range1: 0x2a - 0x34 |
| .space 10 |
| Range1_end: |
| |
| # CHECK: .debug_info contents: |
| # CHECK: Compile Unit: |
| # CHECK-NOT: Compile Unit: |
| # CHECK: DW_TAG_compile_unit |
| # CHECK-NEXT: DW_AT_rnglists_base [DW_FORM_sec_offset] (0x0000000c) |
| # CHECK-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000014 |
| # CHECK-NEXT: [0x00000014, 0x0000001e) ".text" |
| # CHECK-NEXT: [0x0000002a, 0x00000034) ".text") |
| |
| # CHECK: Compile Unit: |
| # CHECK-NOT: Compile Unit: |
| # CHECK: DW_TAG_compile_unit |
| # CHECK-NEXT: DW_AT_rnglists_base [DW_FORM_sec_offset] (0x0000000c) |
| # CHECK-NEXT: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x1) rangelist = 0x00000018 |
| # CHECK-NEXT: [0x0000002a, 0x00000034) ".text") |
| |
| # CHECK: .debug_info.dwo contents: |
| # CHECK: Compile Unit: |
| # CHECK-NOT: contents: |
| # CHECK: DW_TAG_compile_unit |
| # CHECK-NEXT: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x1) rangelist = 0x00000009 |
| # CHECK-NEXT: [0x0000002a, 0x00000034)) |
| |
| #ERR: error: parsing a range list table: Did not detect a valid range list table with base = 0x8 |
| #ERR: error: decoding address ranges: missing or invalid range list table |
| #ERR: error: decoding address ranges: invalid range list offset 0xfa0 |
