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Add support for archives with no symbol table or string table.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185664 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2013-07-04 19:40:23 +00:00
parent 2c8ce86e7a
commit 6d88f9b73a
3 changed files with 6 additions and 1 deletions
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2
lib/Object/Archive.cpp
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@ -104,7 +104,7 @@ Archive::Archive(MemoryBuffer *source, error_code &ec)
: Binary(Binary::ID_Archive, source) { : Binary(Binary::ID_Archive, source) {
// Check for sufficient magic. // Check for sufficient magic.
if (!source || source->getBufferSize() if (!source || source->getBufferSize()
< (8 + sizeof(ArchiveMemberHeader) + 2) // Smallest archive. < (8 + sizeof(ArchiveMemberHeader)) // Smallest archive.
|| StringRef(source->getBufferStart(), 8) != Magic) { || StringRef(source->getBufferStart(), 8) != Magic) {
ec = object_error::invalid_file_type; ec = object_error::invalid_file_type;
return; return;

2
test/Object/Inputs/archive-test.a-gnu-minimal Normal file
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@ -0,0 +1,2 @@
!<arch>
test/ 1372964340 1000 1000 100664 0 `

3
test/Object/nm-archive.test
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@ -9,6 +9,9 @@ RUN: llvm-nm %t2 | FileCheck %s -check-prefix BITCODE
Test we don't error with an archive with no symtab. Test we don't error with an archive with no symtab.
RUN: llvm-nm %p/Inputs/archive-test.a-gnu-no-symtab RUN: llvm-nm %p/Inputs/archive-test.a-gnu-no-symtab
Or in an archive with no symtab or string table.
RUN: llvm-nm %p/Inputs/archive-test.a-gnu-minimal
COFF: trivial-object-test.coff-i386: COFF: trivial-object-test.coff-i386:
COFF-NEXT: 00000000 d .data COFF-NEXT: 00000000 d .data
COFF-NEXT: 00000000 t .text COFF-NEXT: 00000000 t .text