93 lines
2.6 KiB
Plaintext
93 lines
2.6 KiB
Plaintext
# REQUIRES: x86
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# RUN: rm -rf %t && split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/a.s -o %t/a.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/shared.s -o %t/b.o
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# RUN: ld.lld -shared -soname=b %t/b.o -o %t/b.so
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## With relro or without DATA_SEGMENT_RELRO_END just aligns to
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## page boundary.
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# RUN: ld.lld --hash-style=sysv -z norelro %t/a.o %t/b.so -T %t/1.t -o %t/a1
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# RUN: llvm-readelf -S -l %t/a1 | FileCheck %s --check-prefixes=CHECK,CHECK1
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# RUN: ld.lld --hash-style=sysv -z relro %t/a.o %t/b.so -T %t/1.t -o %t/a2
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# RUN: llvm-readelf -S -l %t/a2 | FileCheck %s --check-prefixes=CHECK,CHECK2
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# CHECK: Name Type Address Off Size ES Flg
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# CHECK-NEXT: NULL {{.*}}
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# CHECK: .orphan.ro PROGBITS {{.*}} A
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# CHECK: .dynamic DYNAMIC {{.*}} WA
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# CHECK-NEXT: __libc_atexit PROGBITS {{.*}} WA
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# CHECK-NEXT: .got PROGBITS {{.*}} WA
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# CHECK-NEXT: .got.plt PROGBITS {{.*}} WA
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# CHECK: .orphan.rw PROGBITS {{.*}} WA
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# CHECK1: Program Headers:
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# CHECK1-NOT: GNU_RELRO
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# CHECK2: Program Headers:
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# CHECK2-NEXT: Type
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# CHECK2-NEXT: PHDR
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# CHECK2-NEXT: LOAD
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# CHECK2-NEXT: LOAD
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# CHECK2-NEXT: LOAD
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# CHECK2-NEXT: LOAD
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# CHECK2-NEXT: DYNAMIC
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# CHECK2-NEXT: GNU_RELRO
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# CHECK2-NEXT: GNU_STACK
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# CHECK2: Section to Segment mapping:
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# CHECK2: 06 .dynamic __libc_atexit .got {{$}}
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# RUN: sed '/DATA_SEGMENT_RELRO_END/d' %t/1.t > %t/2.t
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# RUN: not ld.lld %t/a.o %t/b.so -T %t/2.t -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR
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# ERR: error: section: .got is not contiguous with other relro sections
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#--- a.s
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.global _start
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_start:
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.long bar
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jmp *bar2@GOTPCREL(%rip)
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.section .data,"aw"
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.quad 0
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.zero 4
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.section .foo,"aw"
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.section .bss,"",@nobits
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.section __libc_atexit,"aw",@progbits
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.dc.a __libc_atexit
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.section .orphan.ro,"a",@progbits
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.dc.a 0
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.section .orphan.rw,"aw",@progbits
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.dc.a .orphan.rw
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#--- 1.t
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SECTIONS {
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. = SIZEOF_HEADERS;
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.plt : { *(.plt) }
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.text : { *(.text) }
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. = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
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.dynamic : { *(.dynamic) }
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## The custom section __libc_atexit is made relro.
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__libc_atexit : { *(__libc_atexit) }
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.got : { *(.got) }
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. = DATA_SEGMENT_RELRO_END (1 ? 24 : 0, .);
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.got.plt : { *(.got.plt) }
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.data : { *(.data) }
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.bss : { *(.bss) }
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. = DATA_SEGMENT_END (.);
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.comment 0 : { *(.comment) }
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}
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