derek.holloway
7502bf64a4
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71 lines
2.4 KiB
ArmAsm
71 lines
2.4 KiB
ArmAsm
# REQUIRES: system-linux
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# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %t.o
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# RUN: %clang %cflags -dwarf-5 %t.o -o %t.exe -Wl,-q
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# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections 2>&1 | \
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# RUN: FileCheck %s --check-prefix CHECK-BOLT
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# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt | FileCheck %s
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## Verify BOLT preserves DW_FORM_ref_udata (CU-relative ULEB128 DIE reference),
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## a form GCC may emit instead of DW_FORM_ref4.
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# CHECK: DW_TAG_subprogram
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# CHECK: DW_AT_type [DW_FORM_ref_udata]
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# CHECK-SAME: "int"
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# CHECK-BOLT-NOT: BOLT-WARNING
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.text
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.file 0 "." "main.cpp"
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.globl main
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main:
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.Lfunc_begin0:
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.loc 0 1 0
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xorl %eax, %eax
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retq
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.Lfunc_end0:
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.size main, .Lfunc_end0-main
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## Force relocations against .text
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.reloc 0, R_X86_64_NONE
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.section .debug_abbrev,"",@progbits
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.byte 1, 17, 1 # CU, has children
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.byte 17, 1 # DW_AT_low_pc, DW_FORM_addr
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.byte 18, 6 # DW_AT_high_pc, DW_FORM_data4
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.byte 16, 23 # DW_AT_stmt_list, DW_FORM_sec_offset
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.byte 0, 0
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.byte 2, 46, 0 # subprogram, no children
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.byte 17, 1 # DW_AT_low_pc, DW_FORM_addr
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.byte 18, 6 # DW_AT_high_pc, DW_FORM_data4
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.byte 73, 21 # DW_AT_type, DW_FORM_ref_udata
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.byte 0, 0
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.byte 3, 36, 0 # base_type, no children
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.byte 3, 8 # DW_AT_name, DW_FORM_string
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.byte 0, 0
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.byte 0
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.section .debug_info,"",@progbits
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.Lcu_begin0:
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.long .Ldebug_info_end0-.Ldebug_info_start0
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.Ldebug_info_start0:
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.short 5 # DWARF version
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.byte 1 # DW_UT_compile
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.byte 8 # Address size
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.long .debug_abbrev # Abbrev offset
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.byte 1 # CU
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.quad .Lfunc_begin0 # DW_AT_low_pc
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.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
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.long .Lline_table_start0 # DW_AT_stmt_list
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.byte 2 # subprogram
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.quad .Lfunc_begin0 # DW_AT_low_pc
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.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
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.uleb128 .Ltype_int-.Lcu_begin0 # DW_AT_type (DW_FORM_ref_udata)
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.Ltype_int:
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.byte 3 # base_type
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.asciz "int" # DW_AT_name
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.byte 0 # End children of CU
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.Ldebug_info_end0:
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.section .debug_line,"",@progbits
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.Lline_table_start0:
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