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cb2c2a149f
Note that .eh_frame sections are generated in the 32-bit format even when debug sections are 64-bit, for compatibility reasons. They use relative references between entries, so they hardly benefit from the 64-bit format. Differential Revision: https://reviews.llvm.org/D81149
106 lines
4.8 KiB
ArmAsm
106 lines
4.8 KiB
ArmAsm
## This checks that llvm-mc is able to produce 64-bit debug info.
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# RUN: llvm-mc -g -dwarf-version 3 -dwarf64 -triple x86_64 %s -filetype=obj -o %t3.o
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# RUN: llvm-readobj -r %t3.o | FileCheck --check-prefixes=REL,REL3 %s --implicit-check-not="R_{{.*}} .debug_"
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# RUN: llvm-dwarfdump -v %t3.o | FileCheck --check-prefixes=DUMP,DUMP3 %s
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# RUN: llvm-mc -g -dwarf-version 5 -dwarf64 -triple x86_64 %s -filetype=obj -o %t5.o
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# RUN: llvm-readobj -r %t5.o | FileCheck --check-prefixes=REL,REL5 %s --implicit-check-not="R_{{.*}} .debug_"
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# RUN: llvm-dwarfdump -v %t5.o | FileCheck --check-prefixes=DUMP,DUMP5 %s
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## The references to other debug info sections are 64-bit, as required for DWARF64.
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# REL: Section ({{[0-9]+}}) .rela.debug_frame {
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# REL-NEXT: R_X86_64_64 .debug_frame 0x0
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# REL: Section ({{[0-9]+}}) .rela.debug_info {
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# REL-NEXT: R_X86_64_64 .debug_abbrev 0x0
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# REL-NEXT: R_X86_64_64 .debug_line 0x0
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# REL3-NEXT: R_X86_64_64 .debug_ranges 0x0
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# REL5-NEXT: R_X86_64_64 .debug_rnglists 0x14
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# REL: Section ({{[0-9]+}}) .rela.debug_aranges {
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# REL-NEXT: R_X86_64_64 .debug_info 0x0
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# REL5: Section ({{[0-9]+}}) .rela.debug_line {
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# REL5-NEXT: R_X86_64_64 .debug_line_str 0x0
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# REL5-NEXT: R_X86_64_64 .debug_line_str 0x
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## DW_FORM_sec_offset was introduced in DWARFv4.
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## For DWARFv3, DW_FORM_data8 is used instead.
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# DUMP: .debug_abbrev contents:
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# DUMP3: DW_AT_stmt_list DW_FORM_data8
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# DUMP3-NEXT: DW_AT_ranges DW_FORM_data8
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# DUMP5: DW_AT_stmt_list DW_FORM_sec_offset
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# DUMP5-NEXT: DW_AT_ranges DW_FORM_sec_offset
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# DUMP: .debug_info contents:
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# DUMP-NEXT: 0x00000000: Compile Unit: {{.*}} format = DWARF64
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# DUMP: DW_TAG_compile_unit [1] *
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# DUMP3-NEXT: DW_AT_stmt_list [DW_FORM_data8] (0x0000000000000000)
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# DUMP5-NEXT: DW_AT_stmt_list [DW_FORM_sec_offset] (0x0000000000000000)
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# DUMP3-NEXT: DW_AT_ranges [DW_FORM_data8] (0x0000000000000000
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# DUMP5-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x0000000000000014
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# DUMP-NEXT: [0x0000000000000000, 0x0000000000000001) ".foo"
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# DUMP-NEXT: [0x0000000000000000, 0x0000000000000001) ".bar")
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# DUMP: DW_TAG_label [2]
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# DUMP-NEXT: DW_AT_name [DW_FORM_string] ("foo")
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# DUMP: DW_TAG_label [2]
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# DUMP-NEXT: DW_AT_name [DW_FORM_string] ("bar")
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# DUMP: .debug_frame contents:
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# DUMP: 00000000 {{([[:xdigit:]]{16})}} ffffffffffffffff CIE
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# DUMP-NEXT: Format: DWARF64
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# DUMP: {{([[:xdigit:]]{8})}} {{([[:xdigit:]]{16})}} 0000000000000000 FDE cie=00000000 pc=00000000...00000001
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# DUMP-NEXT: Format: DWARF64
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## Even though the debug info sections are in the 64-bit format,
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## .eh_frame is still generated as 32-bit.
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# DUMP: .eh_frame contents:
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# DUMP: 00000000 {{([[:xdigit:]]{8})}} 00000000 CIE
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# DUMP-NEXT: Format: DWARF32
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# DUMP: {{([[:xdigit:]]{8})}} {{([[:xdigit:]]{8})}} {{([[:xdigit:]]{8})}} FDE cie=00000000 pc=00000000...00000001
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# DUMP-NEXT: Format: DWARF32
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# DUMP: .debug_aranges contents:
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# DUMP-NEXT: Address Range Header: length = 0x0000000000000044, format = DWARF64, version = 0x0002, cu_offset = 0x0000000000000000, addr_size = 0x08, seg_size = 0x00
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# DUMP-NEXT: [0x0000000000000000, 0x0000000000000001)
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# DUMP-NEXT: [0x0000000000000000, 0x0000000000000001)
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# DUMP-EMPTY:
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# DUMP: .debug_line contents:
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# DUMP-NEXT: debug_line[0x00000000]
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# DUMP-NEXT: Line table prologue:
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# DUMP-NEXT: total_length:
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# DUMP-NEXT: format: DWARF64
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# DUMP5: include_directories[ 0] = .debug_line_str[0x0000000000000000] = "[[DIR:.+]]"
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# DUMP5-NEXT: file_names[ 0]:
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# DUMP5-NEXT: name: .debug_line_str[0x00000000[[FILEOFF:[[:xdigit:]]{8}]]] = "[[FILE:.+]]"
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# DUMP5-NEXT: dir_index: 0
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# DUMP5: .debug_line_str contents:
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# DUMP5-NEXT: 0x00000000: "[[DIR]]"
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# DUMP5-NEXT: 0x[[FILEOFF]]: "[[FILE]]"
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# DUMP3: .debug_ranges contents:
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# DUMP3-NEXT: 00000000 ffffffffffffffff 0000000000000000
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# DUMP3-NEXT: 00000000 0000000000000000 0000000000000001
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# DUMP3-NEXT: 00000000 ffffffffffffffff 0000000000000000
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# DUMP3-NEXT: 00000000 0000000000000000 0000000000000001
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# DUMP3-NEXT: 00000000 <End of list>
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# DUMP5: .debug_rnglists contents:
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# DUMP5-NEXT: 0x00000000: range list header: length = 0x000000000000001d, format = DWARF64, version = 0x0005, addr_size = 0x08, seg_size = 0x00, offset_entry_count = 0x00000000
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# DUMP5-NEXT: ranges:
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# DUMP5-NEXT: 0x00000014: [DW_RLE_start_length]: 0x0000000000000000, 0x0000000000000001 => [0x0000000000000000, 0x0000000000000001)
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# DUMP5-NEXT: 0x0000001e: [DW_RLE_start_length]: 0x0000000000000000, 0x0000000000000001 => [0x0000000000000000, 0x0000000000000001)
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# DUMP5-NEXT: 0x00000028: [DW_RLE_end_of_list ]
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.cfi_sections .eh_frame, .debug_frame
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.section .foo, "ax", @progbits
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foo:
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nop
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.section .bar, "ax", @progbits
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bar:
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.cfi_startproc
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nop
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.cfi_endproc
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