| 28 | ////////////////////////////////////////////////////////////////////////// |
| 29 | |
| 30 | BlChunk* BlSegment::AddChunk(void* data, int size, int characteristics, int& offset) |
| 31 | { |
| 32 | if (size == 0) |
| 33 | return NULL; |
| 34 | |
| 35 | if ((characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA) != 0) |
| 36 | { |
| 37 | BF_ASSERT(data == NULL); |
| 38 | } |
| 39 | else |
| 40 | { |
| 41 | BF_ASSERT(data != NULL); |
| 42 | } |
| 43 | |
| 44 | int align = 1; |
| 45 | int chAlign = characteristics & IMAGE_SCN_ALIGN_MASK; |
| 46 | if (chAlign == IMAGE_SCN_ALIGN_8192BYTES) |
| 47 | align = 8192; |
| 48 | else if (chAlign == IMAGE_SCN_ALIGN_4096BYTES) |
| 49 | align = 4096; |
| 50 | else if (chAlign == IMAGE_SCN_ALIGN_2048BYTES) |
| 51 | align = 2048; |
| 52 | else if (chAlign == IMAGE_SCN_ALIGN_1024BYTES) |
| 53 | align = 1024; |
| 54 | else if (chAlign == IMAGE_SCN_ALIGN_512BYTES) |
| 55 | align = 512; |
| 56 | else if (chAlign == IMAGE_SCN_ALIGN_256BYTES) |
| 57 | align = 256; |
| 58 | else if (chAlign == IMAGE_SCN_ALIGN_128BYTES) |
| 59 | align = 128; |
| 60 | else if (chAlign == IMAGE_SCN_ALIGN_64BYTES) |
| 61 | align = 64; |
| 62 | else if (chAlign == IMAGE_SCN_ALIGN_32BYTES) |
| 63 | align = 32; |
| 64 | else if (chAlign == IMAGE_SCN_ALIGN_16BYTES) |
| 65 | align = 16; |
| 66 | else if (chAlign == IMAGE_SCN_ALIGN_8BYTES) |
| 67 | align = 8; |
| 68 | else if (chAlign == IMAGE_SCN_ALIGN_4BYTES) |
| 69 | align = 4; |
| 70 | else if (chAlign == IMAGE_SCN_ALIGN_2BYTES) |
| 71 | align = 2; |
| 72 | |
| 73 | int prevSize = mCurSize; |
| 74 | mCurSize = (mCurSize + (align - 1)) & ~(align - 1); |
| 75 | offset = mCurSize; |
| 76 | mCurSize += size; |
| 77 | mAlign = std::max(mAlign, align); |
| 78 | if (data == NULL) |
| 79 | return NULL; |
| 80 | |
| 81 | BlChunk blChunk; |
| 82 | blChunk.mOffset = offset; |
| 83 | blChunk.mAlignPad = offset - prevSize; |
| 84 | blChunk.mSize = size; |
| 85 | blChunk.mData = data; |
| 86 | blChunk.mObjectDataIdx = -1; |
| 87 | |