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COFF: Fix offset in x86 delay-load thunks. 

llvm-svn: 242353
This commit is contained in:
Rui Ueyama 2015-07-15 23:01:36 +00:00
parent a5801ade5a
commit 759c8aa9a0
2 changed files with 66 additions and 12 deletions
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2
lld/COFF/DLL.cpp
View File

@ -316,7 +316,7 @@ public:
memcpy(Buf + FileOff, ThunkX86, sizeof(ThunkX86));
write32le(Buf + FileOff + 3, Imp->getRVA() + Config->ImageBase);
write32le(Buf + FileOff + 8, Desc->getRVA() + Config->ImageBase);
write32le(Buf + FileOff + 13, Helper->getRVA() - RVA + 17);
write32le(Buf + FileOff + 13, Helper->getRVA() - RVA - 17);
}
void getBaserels(std::vector<uint32_t> *Res, Defined *ImageBase) override {

76
lld/test/COFF/delayimports32.test
View File

@ -1,23 +1,43 @@
# RUN: yaml2obj < %p/Inputs/hello32.yaml > %t.obj
# RUN: lld -flavor link2 %t.obj %p/Inputs/std32.lib /subsystem:console \
# RUN: /entry:main@0 /alternatename:___delayLoadHelper2@8=main@0 /out:%t.exe
# RUN: /entry:main@0 /alternatename:___delayLoadHelper2@8=_main@0 \
# RUN: /debug /delayload:std32.dll /out:%t.exe
# RUN: llvm-readobj -coff-imports %t.exe | FileCheck -check-prefix=IMPORT %s
# RUN: llvm-readobj -coff-basereloc %t.exe | FileCheck -check-prefix=BASEREL %s
# RUN: llvm-objdump -d %t.exe | FileCheck -check-prefix=DISASM %s
IMPORT: Format: COFF-i386
IMPORT: Arch: i386
IMPORT: AddressSize: 32bit
IMPORT: Import {
IMPORT: Name: std32.dll
IMPORT: ImportLookupTableRVA: 0x3028
IMPORT: ImportAddressTableRVA: 0x3034
IMPORT: Symbol: ExitProcess (0)
IMPORT: Symbol: MessageBoxA (1)
IMPORT: }
IMPORT: Format: COFF-i386
IMPORT-NEXT: Arch: i386
IMPORT-NEXT: AddressSize: 32bit
IMPORT-NEXT: DelayImport {
IMPORT-NEXT: Name: std32.dll
IMPORT-NEXT: Attributes: 0x1
IMPORT-NEXT: ModuleHandle: 0x1018
IMPORT-NEXT: ImportAddressTable: 0x1020
IMPORT-NEXT: ImportNameTable: 0x3040
IMPORT-NEXT: BoundDelayImportTable: 0x0
IMPORT-NEXT: UnloadDelayImportTable: 0x0
IMPORT-NEXT: Import {
IMPORT-NEXT: Symbol: ExitProcess (0)
IMPORT-NEXT: Address: 0x40002036
IMPORT-NEXT: }
IMPORT-NEXT: Import {
IMPORT-NEXT: Symbol: MessageBoxA (0)
IMPORT-NEXT: Address: 0x1
IMPORT-NEXT: }
IMPORT-NEXT: }
BASEREL: BaseReloc [
BASEREL-NEXT: Entry {
BASEREL-NEXT: Type: DIR64
BASEREL-NEXT: Address: 0x1020
BASEREL-NEXT: }
BASEREL-NEXT: Entry {
BASEREL-NEXT: Type: DIR64
BASEREL-NEXT: Address: 0x1028
BASEREL-NEXT: }
BASEREL-NEXT: Entry {
BASEREL-NEXT: Type: DIR64
BASEREL-NEXT: Address: 0x2005
BASEREL-NEXT: }
BASEREL-NEXT: Entry {
@ -32,4 +52,38 @@ BASEREL-NEXT: Entry {
BASEREL-NEXT: Type: DIR64
BASEREL-NEXT: Address: 0x2032
BASEREL-NEXT: }
BASEREL-NEXT: Entry {
BASEREL-NEXT: Type: DIR64
BASEREL-NEXT: Address: 0x2039
BASEREL-NEXT: }
BASEREL-NEXT: Entry {
BASEREL-NEXT: Type: DIR64
BASEREL-NEXT: Address: 0x203E
BASEREL-NEXT: }
BASEREL-NEXT: Entry {
BASEREL-NEXT: Type: DIR64
BASEREL-NEXT: Address: 0x204E
BASEREL-NEXT: }
BASEREL-NEXT: Entry {
BASEREL-NEXT: Type: DIR64
BASEREL-NEXT: Address: 0x2053
BASEREL-NEXT: }
BASEREL-NEXT: ]
DISASM: 2030: ff 25 28 10 00 40 jmpl *1073745960
DISASM-NEXT: 2036: 51 pushl %ecx
DISASM-NEXT: 2037: 52 pushl %edx
DISASM-NEXT: 2038: 68 20 10 00 40 pushl $1073745952
DISASM-NEXT: 203d: 68 00 30 00 40 pushl $1073754112
DISASM-NEXT: 2042: e8 b9 ff ff ff calll -71 <_main@0>
DISASM-NEXT: 2047: 5a popl %edx
DISASM-NEXT: 2048: 59 popl %ecx
DISASM-NEXT: 2049: ff e0 jmpl *%eax
DISASM-NEXT: 204b: 51 pushl %ecx
DISASM-NEXT: 204c: 52 pushl %edx
DISASM-NEXT: 204d: 68 28 10 00 40 pushl $1073745960
DISASM-NEXT: 2052: 68 00 30 00 40 pushl $1073754112
DISASM-NEXT: 2057: e8 a4 ff ff ff calll -92 <_main@0>
DISASM-NEXT: 205c: 5a popl %edx
DISASM-NEXT: 205d: 59 popl %ecx
DISASM-NEXT: 205e: ff e0 jmpl *%eax