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| author | David Blaikie <dblaikie@gmail.com> | 2018-12-22 22:20:47 +0000 |
|---|---|---|
| committer | David Blaikie <dblaikie@gmail.com> | 2018-12-22 22:20:47 +0000 |
| commit | 33fe4fb084b29b3d34a0b487f8fdecbe7ba1e649 (patch) | |
| tree | b8dce872a89fca6512760786610e7d2fc8fac333 /lld | |
| parent | 6f81dead1b979bb44b4013ddc39bbbeb5c410af7 (diff) | |
Test DWARFv5 with gdb-index and low_pc/high_pc on the CU (rather than ranges)
There was a bug in LLVM's libDebugInfo where it did not porpagate the
section index through the range query built from low_pc/high_pc. Hard to
test in LLVM, so I'm adding a test here.
Diffstat (limited to 'lld')
| -rw-r--r-- | lld/test/ELF/gdb-index-dwarf5-low-high.s | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/lld/test/ELF/gdb-index-dwarf5-low-high.s b/lld/test/ELF/gdb-index-dwarf5-low-high.s new file mode 100644 index 00000000000..173f4fa55dd --- /dev/null +++ b/lld/test/ELF/gdb-index-dwarf5-low-high.s @@ -0,0 +1,50 @@ +# REQUIRES: x86 +# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o +# RUN: ld.lld --gdb-index %t.o -o %t +# RUN: llvm-dwarfdump -gdb-index %t | FileCheck %s + +# CHECK: Address area offset = 0x28, has 1 entries: +# CHECK-NEXT: Low/High address = [0x201000, 0x201001) (Size: 0x1), CU id = 0 + + .text + .globl main +main: # @main +.Lfunc_begin0: + retq +.Lfunc_end0: + .section .debug_abbrev,"",@progbits + .byte 1 # Abbreviation Code + .byte 17 # DW_TAG_compile_unit + .byte 0 # DW_CHILDREN_no + .byte 115 # DW_AT_addr_base + .byte 23 # DW_FORM_sec_offset + .byte 17 # DW_AT_low_pc + .byte 27 # DW_FORM_addrx + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 0 # EOM(3) + .section .debug_info,"",@progbits +.Lcu_begin0: + .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit +.Ldebug_info_start0: + .short 5 # DWARF version number + .byte 1 # DWARF Unit Type + .byte 8 # Address Size (in bytes) + .long .debug_abbrev # Offset Into Abbrev. Section + .byte 1 # Abbrev [1] 0xc:0x2b DW_TAG_compile_unit + .long .Laddr_table_base0 # DW_AT_addr_base + .byte 0 # DW_AT_low_pc + .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc +.Ldebug_info_end0: + .section .debug_macinfo,"",@progbits + .byte 0 # End Of Macro List Mark + .section .debug_addr,"",@progbits + .long 12 + .short 5 + .byte 8 + .byte 0 +.Laddr_table_base0: + .quad .Lfunc_begin0 + |