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cd514b66e8
Summary: The -I (--input-target) and -B (--binary-architecture) flags exist but are currently silently ignored. This adds support for -I binary for architectures i386, x86-64 (and alias i386:x86-64), arm, aarch64, sparc, and ppc (powerpc:common64). This is largely based on D41687. This is done by implementing an additional subclass of Reader, BinaryReader, which works by interpreting the input file as contents for .data field, sets up a synthetic header, and adds additional sections/symbols (e.g. _binary__tmp_data_txt_start). Reviewers: jakehehrlich, alexshap, jhenderson, javed.absar Reviewed By: jhenderson Subscribers: jyknight, nemanjai, kbarton, fedor.sergeev, jrtc27, kristof.beyls, paulsemel, llvm-commits Differential Revision: https://reviews.llvm.org/D50343 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@340070 91177308-0d34-0410-b5e6-96231b3b80d8
113 lines
3.4 KiB
Plaintext
113 lines
3.4 KiB
Plaintext
# RUN: echo -n abcd > %t.x-txt
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# Preserve input to verify it is not modified
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# RUN: cp %t.x-txt %t-copy.txt
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# RUN: llvm-objcopy -I binary -B i386:x86-64 %t.x-txt %t.o
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# RUN: llvm-readobj -sections -symbols %t.o | FileCheck %s
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# RUN: cmp %t.x-txt %t-copy.txt
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# CHECK: Sections [
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# CHECK-NEXT: Section {
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# CHECK-NEXT: Index: 0
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# CHECK-NEXT: Name: (0)
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# CHECK-NEXT: Type: SHT_NULL (0x0)
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# CHECK-NEXT: Flags [ (0x0)
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# CHECK-NEXT: ]
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# CHECK-NEXT: Address: 0x0
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# CHECK-NEXT: Offset:
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# CHECK-NEXT: Size:
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# CHECK-NEXT: Link: 0
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# CHECK-NEXT: Info: 0
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# CHECK-NEXT: AddressAlignment: 0
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# CHECK-NEXT: EntrySize: 0
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# CHECK-NEXT: }
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# CHECK-NEXT: Section {
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# CHECK-NEXT: Index: 1
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# CHECK-NEXT: Name: .strtab
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# CHECK-NEXT: Type: SHT_STRTAB (0x3)
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# CHECK-NEXT: Flags [ (0x0)
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# CHECK-NEXT: ]
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# CHECK-NEXT: Address: 0x0
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# CHECK-NEXT: Offset:
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# CHECK-NEXT: Size:
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# CHECK-NEXT: Link: 0
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# CHECK-NEXT: Info: 0
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# CHECK-NEXT: AddressAlignment: 1
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# CHECK-NEXT: EntrySize: 0
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# CHECK-NEXT: }
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# CHECK-NEXT: Section {
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# CHECK-NEXT: Index: 2
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# CHECK-NEXT: Name: .symtab
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# CHECK-NEXT: Type: SHT_SYMTAB (0x2)
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# CHECK-NEXT: Flags [ (0x0)
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# CHECK-NEXT: ]
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# CHECK-NEXT: Address: 0x0
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# CHECK-NEXT: Offset:
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# CHECK-NEXT: Size:
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# CHECK-NEXT: Link: 1
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# CHECK-NEXT: Info: 1
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# CHECK-NEXT: AddressAlignment: 1
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# CHECK-NEXT: EntrySize: 24
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# CHECK-NEXT: }
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# CHECK-NEXT: Section {
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# CHECK-NEXT: Index: 3
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# CHECK-NEXT: Name: .data
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# CHECK-NEXT: Type: SHT_PROGBITS (0x1)
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# CHECK-NEXT: Flags [ (0x3)
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# CHECK-NEXT: SHF_ALLOC (0x2)
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# CHECK-NEXT: SHF_WRITE (0x1)
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# CHECK-NEXT: ]
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# CHECK-NEXT: Address: 0x0
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# CHECK-NEXT: Offset:
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# CHECK-NEXT: Size: 4
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# CHECK-NEXT: Link: 0
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# CHECK-NEXT: Info: 0
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# CHECK-NEXT: AddressAlignment: 1
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# CHECK-NEXT: EntrySize: 0
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# CHECK-NEXT: }
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# CHECK-NEXT: ]
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# Note: the symbol names are derived from the full path (with non-alnum values
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# replaced with "_"), e.g. "/tmp/a-b.c" should yield
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# _binary__tmp_a_b_c_{start,end,size}.
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# Just check for _binary_{{[_a-zA-Z0-9]*}}_x_txt_{start,end,size} to avoid
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# making assumptions about how this test is run.
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# CHECK: Symbols [
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name:
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# CHECK-NEXT: Value: 0x0
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# CHECK-NEXT: Size: 0
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# CHECK-NEXT: Binding: Local (0x0)
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# CHECK-NEXT: Type: None (0x0)
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# CHECK-NEXT: Other: 0
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# CHECK-NEXT: Section: Undefined (0x0)
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# CHECK-NEXT: }
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name: _binary_{{[_a-zA-Z0-9]*}}_x_txt_start
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# CHECK-NEXT: Value: 0x0
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# CHECK-NEXT: Size: 0
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# CHECK-NEXT: Binding: Global (0x1)
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# CHECK-NEXT: Type: None (0x0)
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# CHECK-NEXT: Other: 0
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# CHECK-NEXT: Section: .data
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# CHECK-NEXT: }
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name: _binary_{{[_a-zA-Z0-9]*}}_x_txt_end
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# CHECK-NEXT: Value: 0x4
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# CHECK-NEXT: Size: 0
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# CHECK-NEXT: Binding: Global (0x1)
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# CHECK-NEXT: Type: None (0x0)
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# CHECK-NEXT: Other: 0
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# CHECK-NEXT: Section: .data
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# CHECK-NEXT: }
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name: _binary_{{[_a-zA-Z0-9]*}}_x_txt_size
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# CHECK-NEXT: Value: 0x4
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# CHECK-NEXT: Size: 0
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# CHECK-NEXT: Binding: Global (0x1)
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# CHECK-NEXT: Type: None (0x0)
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# CHECK-NEXT: Other: 0
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# CHECK-NEXT: Section: Absolute
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# CHECK-NEXT: }
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# CHECK-NEXT: ]
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