diff options
Diffstat (limited to 'llvm/tools/llvm-readobj/ObjDumper.cpp')
-rw-r--r-- | llvm/tools/llvm-readobj/ObjDumper.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/llvm/tools/llvm-readobj/ObjDumper.cpp b/llvm/tools/llvm-readobj/ObjDumper.cpp index 95a6d0325e2..3eb24bdf791 100644 --- a/llvm/tools/llvm-readobj/ObjDumper.cpp +++ b/llvm/tools/llvm-readobj/ObjDumper.cpp @@ -25,4 +25,46 @@ ObjDumper::ObjDumper(ScopedPrinter &Writer) : W(Writer) {} ObjDumper::~ObjDumper() { } +void ObjDumper::SectionHexDump(StringRef SecName, const uint8_t *Section, + size_t Size) { + const uint8_t *SecContent = Section; + const uint8_t *SecEnd = Section + Size; + W.startLine() << "Hex dump of section '" << SecName << "':\n"; + + for (const uint8_t *SecPtr = SecContent; SecPtr < SecEnd; SecPtr += 16) { + const uint8_t *TmpSecPtr = SecPtr; + uint8_t i; + uint8_t k; + + W.startLine() << format_hex(SecPtr - SecContent, 10); + W.startLine() << ' '; + for (i = 0; TmpSecPtr < SecEnd && i < 4; ++i) { + for (k = 0; TmpSecPtr < SecEnd && k < 4; k++, TmpSecPtr++) { + uint8_t Val = *(reinterpret_cast<const uint8_t *>(TmpSecPtr)); + W.startLine() << format_hex_no_prefix(Val, 2); + } + W.startLine() << ' '; + } + + // We need to print the correct amount of spaces to match the format. + // We are adding the (4 - i) last rows that are 8 characters each. + // Then, the (4 - i) spaces that are in between the rows. + // Least, if we cut in a middle of a row, we add the remaining characters, + // which is (8 - (k * 2)) + if (i < 4) + W.startLine() << format("%*c", (4 - i) * 8 + (4 - i) + (8 - (k * 2)), + ' '); + + TmpSecPtr = SecPtr; + for (i = 0; TmpSecPtr + i < SecEnd && i < 16; ++i) { + if (isprint(TmpSecPtr[i])) + W.startLine() << TmpSecPtr[i]; + else + W.startLine() << '.'; + } + + W.startLine() << '\n'; + } +} + } // namespace llvm |