07f6ce0b83
Move the init array/fini array sorting to the Output ELF writer.
AFAIK, this is only needed by the X86_64/ARM ABI.
This shaves time taken to self host lld by 0.2 seconds.
Before patch
----------------
4791.062059 task-clock # 1.634 CPUs utilized ( +- 0.28% )
61,107 context-switches # 0.013 M/sec ( +- 0.56% )
2.932902671 seconds time elapsed ( +- 0.84% )
After patch
-------------
4608.417248 task-clock # 1.669 CPUs utilized ( +- 0.30% )
61,616 context-switches # 0.013 M/sec ( +- 0.63% )
2.761012703 seconds time elapsed ( +- 0.63% )
llvm-svn: 232866
68 lines
1.5 KiB
Plaintext
68 lines
1.5 KiB
Plaintext
#RUN: yaml2obj -format=elf %s > %t
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#RUN: lld -flavor gnu -target x86_64-linux %t --noinhibit-exec \
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#RUN: -o %t1.out
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#RUN: llvm-objdump -s %t1.out | FileCheck %s
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!ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_X86_64
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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Content: "1100000000000000"
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AddressAlign: 8
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Flags: [SHF_ALLOC, SHF_EXECINSTR]
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- Name: .init_array.2
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Type: SHT_INIT_ARRAY
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Content: "0200000000000000"
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AddressAlign: 8
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Flags: [SHF_ALLOC]
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- Name: .init_array.3
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Type: SHT_INIT_ARRAY
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Content: "0300000000000000"
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AddressAlign: 8
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Flags: [SHF_ALLOC]
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- Name: .init_array
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Type: SHT_INIT_ARRAY
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Content: "9900000000000000"
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AddressAlign: 8
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Flags: [SHF_ALLOC]
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- Name: .data
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Type: SHT_PROGBITS
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Content: "2200000000000000"
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AddressAlign: 8
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Flags: [SHF_ALLOC, SHF_WRITE]
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- Name: .init_array.1
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Type: SHT_INIT_ARRAY
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Content: "0100000000000000"
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AddressAlign: 8
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Flags: [SHF_ALLOC]
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Symbols:
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Local:
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- Name: .text
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Type: STT_SECTION
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Section: .text
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- Name: .data
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Type: STT_SECTION
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Section: .data
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- Name: .init_array.3
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Type: STT_SECTION
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Section: .init_array.3
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- Name: .init_array.2
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Type: STT_SECTION
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Section: .init_array.2
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- Name: .init_array.1
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Type: STT_SECTION
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Section: .init_array.1
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- Name: .init_array
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Type: STT_SECTION
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Section: .init_array
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#CHECK: {{[0xa-f0-9]+}} 01000000 00000000 02000000 00000000
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#CHECK: {{[0xa-f0-9]+}} 03000000 00000000 99000000 00000000
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