derek.holloway
7502bf64a4
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51 lines
2.3 KiB
ArmAsm
51 lines
2.3 KiB
ArmAsm
# REQUIRES: x86
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# RUN: rm -rf %t && split-file %s %t && cd %t
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-openbsd randomdata.s -o randomdata.o
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# RUN: ld.lld randomdata.o -o randomdata
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# RUN: llvm-readelf -S -l randomdata | FileCheck %s --check-prefix=RANDOMDATA
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-openbsd /dev/null -o empty.o
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# RUN: ld.lld -z nobtcfi empty.o -o nobtcfi
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# RUN: llvm-readelf -l nobtcfi | FileCheck %s --check-prefix=NOBTCFI
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# RUN: ld.lld -z wxneeded empty.o -o wxneeded
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# RUN: llvm-readelf -l wxneeded | FileCheck %s --check-prefix=WXNEEDED
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# RUN: ld.lld -T lds randomdata.o -o out
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# RUN: llvm-readelf -S -l out | FileCheck %s --check-prefixes=RANDOMDATA,CHECK
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# RANDOMDATA: Name Type Address Off Size ES Flg Lk Inf Al
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# RANDOMDATA: .openbsd.randomdata PROGBITS [[ADDR:[0-9a-f]+]] [[O:[0-9a-f]+]] 000008 00 A 0 0 1
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# NOBTCFI: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
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# NOBTCFI: OPENBSD_NOBTCFI 0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 E 0
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# WXNEEDED: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
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# WXNEEDED: OPENBSD_WXNEEDED 0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 E 0
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# RANDOMDATA: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
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# RANDOMDATA: OPENBSD_RANDOMIZE 0x[[O]] 0x[[ADDR]] 0x[[ADDR]] 0x000008 0x000008 R 0x1
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# CHECK-NEXT: OPENBSD_BOOTDATA 0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 R 0
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# CHECK-NEXT: OPENBSD_MUTABLE 0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 R 0
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# CHECK-NEXT: OPENBSD_SYSCALLS 0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 R 0
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# CHECK-NEXT: OPENBSD_WXNEEDED 0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 R 0
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#--- randomdata.s
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.section .openbsd.randomdata, "a"
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.quad 0
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#--- lds
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PHDRS {
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text PT_LOAD FILEHDR PHDRS;
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rand PT_OPENBSD_RANDOMIZE;
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boot PT_OPENBSD_BOOTDATA;
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mutable PT_OPENBSD_MUTABLE;
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syscalls PT_OPENBSD_SYSCALLS;
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wxneeded PT_OPENBSD_WXNEEDED;
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}
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SECTIONS {
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. = SIZEOF_HEADERS;
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.text : { *(.text) }
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.openbsd.randomdata : { *(.openbsd.randomdata) } : rand
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}
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