derek.holloway
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86 lines
2.5 KiB
Plaintext
86 lines
2.5 KiB
Plaintext
# REQUIRES: x86
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# Test that mimics a use case of -n to produce a kernel mapped shared-object
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# in a non paged context. We specifically want to test:
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# - We can allocate the headers into the first program header (via PHDRS)
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# typically -n does not allocate headers.
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# - The alignment of the .text section is not page aligned.
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# RUN: echo ".text; .globl foo; foo: nop" > %t.s
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# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %t.s -o %t.o
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# RUN: ld.lld %t.o -o %t.so --shared --hash-style=sysv --script %s
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# RUN: llvm-readobj --program-headers %t.so | FileCheck %s
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# RUN: ld.lld %t.o -o %t2.so --shared --hash-style=sysv -n --script %s
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# RUN: llvm-readobj --program-headers %t2.so | FileCheck %s --check-prefix=CHECK-N
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SECTIONS {
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. = 0x0 + SIZEOF_HEADERS;
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.hash : { *(.hash) } :text
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.dynsym : { *(.dynsym) }
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.dynstr : { *(.dynstr) }
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. = ALIGN(4);
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.text : { *(.text*) }
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.dynamic : { *(.dynamic) } :text :dynamic
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}
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PHDRS {
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text PT_LOAD FLAGS(5) FILEHDR PHDRS;
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dynamic PT_DYNAMIC FLAGS(4);
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}
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# CHECK: ProgramHeaders [
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# CHECK-NEXT: ProgramHeader {
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# CHECK-NEXT: Type: PT_LOAD
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# CHECK-NEXT: Offset: 0x0
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# CHECK-NEXT: VirtualAddress: 0x0
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# CHECK-NEXT: PhysicalAddress: 0x0
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# CHECK-NEXT: FileSize:
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# CHECK-NEXT: MemSize:
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# CHECK-NEXT: Flags [
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# CHECK-NEXT: PF_R
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# CHECK-NEXT: PF_X
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# CHECK-NEXT: ]
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# CHECK-NEXT: Alignment: 4096
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# CHECK-NEXT: }
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# CHECK-NEXT: ProgramHeader {
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# CHECK-NEXT: Type: PT_DYNAMIC
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# CHECK-NEXT: Offset: 0x108
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# CHECK-NEXT: VirtualAddress: 0x108
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# CHECK-NEXT: PhysicalAddress: 0x108
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# CHECK-NEXT: FileSize:
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# CHECK-NEXT: MemSize:
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# CHECK-NEXT: Flags [
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# CHECK-NEXT: PF_R
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# CHECK-NEXT: ]
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# CHECK-NEXT: Alignment: 8
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# CHECK-NEXT: }
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# CHECK-NEXT: ]
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# CHECK-N: ProgramHeaders [
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# CHECK-N-NEXT: ProgramHeader {
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# CHECK-N-NEXT: Type: PT_LOAD
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# CHECK-N-NEXT: Offset: 0x0
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# CHECK-N-NEXT: VirtualAddress: 0x0
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# CHECK-N-NEXT: PhysicalAddress: 0x0
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# CHECK-N-NEXT: FileSize: 360
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# CHECK-N-NEXT: MemSize: 360
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# CHECK-N-NEXT: Flags [
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# CHECK-N-NEXT: PF_R
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# CHECK-N-NEXT: PF_X
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# CHECK-N-NEXT: ]
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# CHECK-N-NEXT: Alignment: 8
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# CHECK-N-NEXT: }
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# CHECK-N-NEXT: ProgramHeader {
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# CHECK-N-NEXT: Type: PT_DYNAMIC
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# CHECK-N-NEXT: Offset: 0x108
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# CHECK-N-NEXT: VirtualAddress: 0x108
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# CHECK-N-NEXT: PhysicalAddress: 0x108
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# CHECK-N-NEXT: FileSize:
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# CHECK-N-NEXT: MemSize:
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# CHECK-N-NEXT: Flags [
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# CHECK-N-NEXT: PF_R
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# CHECK-N-NEXT: ]
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# CHECK-N-NEXT: Alignment: 8
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# CHECK-N-NEXT: }
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# CHECK-N-NEXT: ]
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