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[Object] Add public MaxSectionAlignment to MachOUniversal 

Change MAXSECTALIGN to a public MaxSectionAlignment in MachOUniversal.
Will be used in a follow-up.

Patch by Anusha Basana <anusha.basana@gmail.com>

Differential Revision: https://reviews.llvm.org/D65117

llvm-svn: 366969
This commit is contained in:
Shoaib Meenai 2019-07-25 00:29:13 +00:00
parent 7418b10b16
commit a67f6f1746
2 changed files with 9 additions and 6 deletions
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2
llvm/include/llvm/Object/MachOUniversal.h
View File

@ -31,6 +31,8 @@ class MachOUniversalBinary : public Binary {
uint32_t Magic;
uint32_t NumberOfObjects;
public:
static constexpr uint32_t MaxSectionAlignment = 15; /* 2**15 or 0x8000 */
class ObjectForArch {
const MachOUniversalBinary *Parent;
/// Index of object in the universal binary.

13
llvm/lib/Object/MachOUniversal.cpp
View File

@ -155,12 +155,13 @@ MachOUniversalBinary::MachOUniversalBinary(MemoryBufferRef Source, Error &Err)
") extends past the end of the file");
return;
}
#define MAXSECTALIGN 15 /* 2**15 or 0x8000 */
if (A.getAlign() > MAXSECTALIGN) {
Err = malformedError("align (2^" + Twine(A.getAlign()) + ") too large "
"for cputype (" + Twine(A.getCPUType()) + ") cpusubtype (" +
Twine(A.getCPUSubType() & ~MachO::CPU_SUBTYPE_MASK) +
") (maximum 2^" + Twine(MAXSECTALIGN) + ")");
if (A.getAlign() > MaxSectionAlignment) {
Err = malformedError("align (2^" + Twine(A.getAlign()) +
") too large for cputype (" + Twine(A.getCPUType()) +
") cpusubtype (" +
Twine(A.getCPUSubType() & ~MachO::CPU_SUBTYPE_MASK) +
") (maximum 2^" + Twine(MaxSectionAlignment) + ")");
return;
}
if(A.getOffset() % (1 << A.getAlign()) != 0){