d8a5c6cf19
When --compress-debug-sections is given, llvm-objcopy removes the uncompressed sections and adds compressed to the section list. This makes all the pointers to old sections to be outdated. Currently, code already has logic for replacing the target sections of the relocation sections. But we also have to update the relocations by themselves. This fixes https://bugs.llvm.org/show_bug.cgi?id=40885. Differential revision: https://reviews.llvm.org/D58960 llvm-svn: 355821
65 lines
2.1 KiB
Plaintext
65 lines
2.1 KiB
Plaintext
# REQUIRES: zlib
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# RUN: yaml2obj %p/Inputs/compress-debug-sections.yaml -o %t.o
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# RUN: llvm-objcopy --compress-debug-sections=zlib-gnu %t.o %t-compressed.o
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# RUN: llvm-objcopy --decompress-debug-sections %t-compressed.o %t-decompressed.o
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# RUN: llvm-objdump -s %t.o --section=.debug_foo | FileCheck %s
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# RUN: llvm-objdump -s %t-compressed.o | FileCheck %s --check-prefix=CHECK-COMPRESSED
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# RUN: llvm-readobj --relocations -s %t-compressed.o | FileCheck %s --check-prefix=CHECK-FLAGS
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# RUN: llvm-readobj --relocations -s %t-decompressed.o | FileCheck %s --check-prefix=CHECK-HEADER
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# RUN: llvm-readobj --relocations -s %t.o | FileCheck %s --check-prefix=CHECK-HEADER
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# RUN: llvm-objdump -s %t-decompressed.o --section=.debug_foo | FileCheck %s
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# CHECK: .debug_foo:
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# CHECK-NEXT: 0000 00000000 00000000
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# CHECK-HEADER: Index: 1
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# CHECK-HEADER-NEXT: Name: .debug_foo
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# CHECK-HEADER-NEXT: Type: SHT_PROGBITS
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# CHECK-HEADER-NEXT: Flags [
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# CHECK-HEADER-NEXT: ]
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# CHECK-HEADER-NEXT: Address:
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# CHECK-HEADER-NEXT: Offset:
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# CHECK-HEADER-NEXT: Size: 8
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# CHECK-COMPRESSED: .zdebug_foo:
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# CHECK-COMPRESSED: ZLIB
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# CHECK-COMPRESSED: .notdebug_foo:
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# CHECK-FLAGS-NOT: Name: .debug_foo
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# CHECK-FLAGS: Index: 1
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# CHECK-FLAGS-NEXT: Name: .zdebug_foo
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# CHECK-FLAGS-NEXT: Type: SHT_PROGBITS
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# CHECK-FLAGS-NEXT: Flags [
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# CHECK-FLAGS-NEXT: ]
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# CHECK-FLAGS-NEXT: Address:
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# CHECK-FLAGS-NEXT: Offset:
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# CHECK-FLAGS-NEXT: Size: 23
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# CHECK-FLAGS: Name: .notdebug_foo
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# CHECK-FLAGS-NEXT: Type: SHT_PROGBITS
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# CHECK-FLAGS-NEXT: Flags [
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# CHECK-FLAGS-NEXT: ]
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# CHECK-FLAGS-NEXT: Address:
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# CHECK-FLAGS-NEXT: Offset:
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# CHECK-FLAGS-NEXT: Size: 8
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# CHECK-FLAGS: Name: .rela.debug_foo
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# CHECK-FLAGS-NEXT: Type: SHT_RELA
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# CHECK-FLAGS-NEXT: Flags [
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# CHECK-FLAGS-NEXT: ]
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# CHECK-FLAGS-NEXT: Address:
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# CHECK-FLAGS-NEXT: Offset:
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# CHECK-FLAGS-NEXT: Size:
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# CHECK-FLAGS-NEXT: Link:
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# CHECK-FLAGS-NEXT: Info: 1
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# CHECK-FLAGS: Relocations [
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# CHECK-FLAGS-NEXT: .rela.debug_foo {
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# CHECK-FLAGS-NEXT: 0x1 R_X86_64_32 .zdebug_foo 0x0
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# CHECK-FLAGS-NEXT: 0x2 R_X86_64_32 .notdebug_foo 0x0
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# CHECK-FLAGS-NEXT: }
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# CHECK-FLAGS-NEXT: ]
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