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da574d3bff
For sections with different virtual and physical addresses, alignment and placement in the output binary should be based on the physical address. Ran into this problem with a bare metal ARM project where llvm-objcopy added a lot of zero-padding before the .data section that had differing addresses. GNU objcopy did not add the padding, and after this fix, neither does llvm-objcopy. Update a test case so a section has different physical and virtual addresses. Fixes B35708 Authored By: Owen Shaw (owenpshaw) Differential Revision: https://reviews.llvm.org/D41619 llvm-svn: 323144
62 lines
1.6 KiB
Plaintext
62 lines
1.6 KiB
Plaintext
# RUN: yaml2obj %s -o %t
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# RUN: llvm-objcopy -R .text -O binary %t %t2
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# RUN: od -Ax -v -t x1 %t2 | FileCheck %s
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# RUN: wc -c %t2 | FileCheck %s -check-prefix=SIZE
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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_EXEC
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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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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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Address: 0x1000
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AddressAlign: 0x1000
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Content: "c3c3c3c3"
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Size: 0x1000
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- Name: .text2
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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Address: 0x2000
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AddressAlign: 0x1000
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Content: "DEADBEEF"
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Size: 0x1000
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- Name: .text3
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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Address: 0x3000
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AddressAlign: 0x1000
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Content: "32323232"
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Size: 0x1000
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- Name: .text4
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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Address: 0x4000
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AddressAlign: 0x1000
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Content: "FFFFFFFF"
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Size: 0x1000
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ProgramHeaders:
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- Type: PT_LOAD
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Flags: [ PF_R ]
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VAddr: 0x1000
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PAddr: 0x1000
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Sections:
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- Section: .text
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- Section: .text2
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- Type: PT_LOAD
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Flags: [ PF_R ]
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VAddr: 0x3000
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PAddr: 0x3000
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Sections:
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- Section: .text3
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- Section: .text4
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# CHECK: 000000 de ad be ef
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# CHECK: 001000 32 32 32 32
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# CHECK: 002000 ff ff ff ff
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# SIZE: 12288
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