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Output S_SECTION symbols to the Linker module.
PDBs need to contain 1 module for each object file/compiland, and a special one synthesized by the linker. This one contains a symbol record for each output section in the executable with its address information. This patch adds such symbols to the linker module. Note that we also are supposed to add an S_COFFGROUP symbol for what appears to be each input section that contributes to each output section, but it's not entirely clear how to generate these yet, so I'm leaving that for a separate patch. llvm-svn: 310754
This commit is contained in:
Zachary Turner
parent
09562e957d
commit
2d5cfb025a
@ -1003,74 +1003,6 @@ Error DumpOutputStyle::dumpSymbolsFromGSI(const GSIHashTable &Table,
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return Error::success();
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}
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static std::string formatSectionCharacteristics(uint32_t IndentLevel,
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uint32_t C,
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uint32_t FlagsPerLine,
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StringRef Separator) {
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using SC = COFF::SectionCharacteristics;
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std::vector<std::string> Opts;
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if (C == COFF::SC_Invalid)
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return "invalid";
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if (C == 0)
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return "none";
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PUSH_FLAG(SC, IMAGE_SCN_TYPE_NOLOAD, C, "IMAGE_SCN_TYPE_NOLOAD");
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PUSH_FLAG(SC, IMAGE_SCN_TYPE_NO_PAD, C, "IMAGE_SCN_TYPE_NO_PAD");
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PUSH_FLAG(SC, IMAGE_SCN_CNT_CODE, C, "IMAGE_SCN_CNT_CODE");
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PUSH_FLAG(SC, IMAGE_SCN_CNT_INITIALIZED_DATA, C,
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"IMAGE_SCN_CNT_INITIALIZED_DATA");
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PUSH_FLAG(SC, IMAGE_SCN_CNT_UNINITIALIZED_DATA, C,
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"IMAGE_SCN_CNT_UNINITIALIZED_DATA");
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PUSH_FLAG(SC, IMAGE_SCN_LNK_OTHER, C, "IMAGE_SCN_LNK_OTHER");
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PUSH_FLAG(SC, IMAGE_SCN_LNK_INFO, C, "IMAGE_SCN_LNK_INFO");
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PUSH_FLAG(SC, IMAGE_SCN_LNK_REMOVE, C, "IMAGE_SCN_LNK_REMOVE");
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PUSH_FLAG(SC, IMAGE_SCN_LNK_COMDAT, C, "IMAGE_SCN_LNK_COMDAT");
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PUSH_FLAG(SC, IMAGE_SCN_GPREL, C, "IMAGE_SCN_GPREL");
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PUSH_FLAG(SC, IMAGE_SCN_MEM_PURGEABLE, C, "IMAGE_SCN_MEM_PURGEABLE");
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PUSH_FLAG(SC, IMAGE_SCN_MEM_16BIT, C, "IMAGE_SCN_MEM_16BIT");
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PUSH_FLAG(SC, IMAGE_SCN_MEM_LOCKED, C, "IMAGE_SCN_MEM_LOCKED");
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PUSH_FLAG(SC, IMAGE_SCN_MEM_PRELOAD, C, "IMAGE_SCN_MEM_PRELOAD");
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PUSH_FLAG(SC, IMAGE_SCN_GPREL, C, "IMAGE_SCN_GPREL");
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PUSH_FLAG(SC, IMAGE_SCN_GPREL, C, "IMAGE_SCN_GPREL");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_1BYTES, C,
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"IMAGE_SCN_ALIGN_1BYTES");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_2BYTES, C,
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"IMAGE_SCN_ALIGN_2BYTES");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_4BYTES, C,
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"IMAGE_SCN_ALIGN_4BYTES");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_8BYTES, C,
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"IMAGE_SCN_ALIGN_8BYTES");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_16BYTES, C,
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"IMAGE_SCN_ALIGN_16BYTES");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_32BYTES, C,
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"IMAGE_SCN_ALIGN_32BYTES");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_64BYTES, C,
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"IMAGE_SCN_ALIGN_64BYTES");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_128BYTES, C,
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"IMAGE_SCN_ALIGN_128BYTES");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_256BYTES, C,
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"IMAGE_SCN_ALIGN_256BYTES");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_512BYTES, C,
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"IMAGE_SCN_ALIGN_512BYTES");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_1024BYTES, C,
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"IMAGE_SCN_ALIGN_1024BYTES");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_2048BYTES, C,
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"IMAGE_SCN_ALIGN_2048BYTES");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_4096BYTES, C,
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"IMAGE_SCN_ALIGN_4096BYTES");
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PUSH_MASKED_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_8192BYTES, C,
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"IMAGE_SCN_ALIGN_8192BYTES");
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PUSH_FLAG(SC, IMAGE_SCN_LNK_NRELOC_OVFL, C, "IMAGE_SCN_LNK_NRELOC_OVFL");
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PUSH_FLAG(SC, IMAGE_SCN_MEM_DISCARDABLE, C, "IMAGE_SCN_MEM_DISCARDABLE");
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PUSH_FLAG(SC, IMAGE_SCN_MEM_NOT_CACHED, C, "IMAGE_SCN_MEM_NOT_CACHED");
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PUSH_FLAG(SC, IMAGE_SCN_MEM_NOT_PAGED, C, "IMAGE_SCN_MEM_NOT_PAGED");
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PUSH_FLAG(SC, IMAGE_SCN_MEM_SHARED, C, "IMAGE_SCN_MEM_SHARED");
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PUSH_FLAG(SC, IMAGE_SCN_MEM_EXECUTE, C, "IMAGE_SCN_MEM_EXECUTE");
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PUSH_FLAG(SC, IMAGE_SCN_MEM_READ, C, "IMAGE_SCN_MEM_READ");
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PUSH_FLAG(SC, IMAGE_SCN_MEM_WRITE, C, "IMAGE_SCN_MEM_WRITE");
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return typesetItemList(Opts, IndentLevel, FlagsPerLine, Separator);
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}
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static std::string formatSegMapDescriptorFlag(uint32_t IndentLevel,
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OMFSegDescFlags Flags) {
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std::vector<std::string> Opts;
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@ -10,6 +10,7 @@
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#include "FormatUtil.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/BinaryFormat/COFF.h"
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#include "llvm/Support/FormatAdapters.h"
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#include "llvm/Support/FormatVariadic.h"
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@ -99,3 +100,87 @@ std::string llvm::pdb::typesetStringList(uint32_t IndentLevel,
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std::string llvm::pdb::formatSegmentOffset(uint16_t Segment, uint32_t Offset) {
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return formatv("{0:4}:{1:4}", Segment, Offset);
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}
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#define PUSH_CHARACTERISTIC_FLAG(Enum, TheOpt, Value, Style, Descriptive) \
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PUSH_FLAG(Enum, TheOpt, Value, \
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((Style == CharacteristicStyle::HeaderDefinition) ? #TheOpt \
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: Descriptive))
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#define PUSH_MASKED_CHARACTERISTIC_FLAG(Enum, Mask, TheOpt, Value, Style, \
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Descriptive) \
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PUSH_MASKED_FLAG(Enum, Mask, TheOpt, Value, \
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((Style == CharacteristicStyle::HeaderDefinition) \
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? #TheOpt \
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: Descriptive))
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std::string llvm::pdb::formatSectionCharacteristics(uint32_t IndentLevel,
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uint32_t C,
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uint32_t FlagsPerLine,
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StringRef Separator,
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CharacteristicStyle Style) {
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using SC = COFF::SectionCharacteristics;
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std::vector<std::string> Opts;
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if (C == COFF::SC_Invalid)
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return "invalid";
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if (C == 0)
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return "none";
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_TYPE_NOLOAD, C, Style, "noload");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_TYPE_NO_PAD, C, Style, "no padding");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_CNT_CODE, C, Style, "code");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_CNT_INITIALIZED_DATA, C, Style,
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"initialized data");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_CNT_UNINITIALIZED_DATA, C, Style,
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"uninitialized data");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_LNK_OTHER, C, Style, "other");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_LNK_INFO, C, Style, "info");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_LNK_REMOVE, C, Style, "remove");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_LNK_COMDAT, C, Style, "comdat");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_GPREL, C, Style, "gp rel");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_PURGEABLE, C, Style, "purgeable");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_16BIT, C, Style, "16-bit");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_LOCKED, C, Style, "locked");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_PRELOAD, C, Style, "preload");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_1BYTES, C,
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Style, "1 byte align");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_2BYTES, C,
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Style, "2 byte align");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_4BYTES, C,
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Style, "4 byte align");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_8BYTES, C,
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Style, "8 byte align");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_16BYTES, C,
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Style, "16 byte align");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_32BYTES, C,
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Style, "32 byte align");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_64BYTES, C,
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Style, "64 byte align");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_128BYTES, C,
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Style, "128 byte align");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_256BYTES, C,
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Style, "256 byte align");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_512BYTES, C,
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Style, "512 byte align");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_1024BYTES, C,
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Style, "1024 byte align");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_2048BYTES, C,
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Style, "2048 byte align");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_4096BYTES, C,
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Style, "4096 byte align");
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PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_8192BYTES, C,
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Style, "8192 byte align");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_LNK_NRELOC_OVFL, C, Style,
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"noreloc overflow");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_DISCARDABLE, C, Style,
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"discardable");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_NOT_CACHED, C, Style,
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"not cached");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_NOT_PAGED, C, Style, "not paged");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_SHARED, C, Style, "shared");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_EXECUTE, C, Style,
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"execute permissions");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_READ, C, Style,
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"read permissions");
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PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_WRITE, C, Style,
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"write permissions");
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return typesetItemList(Opts, IndentLevel, FlagsPerLine, Separator);
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}
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@ -49,6 +49,15 @@ template <typename T> std::string formatUnknownEnum(T Value) {
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std::string formatSegmentOffset(uint16_t Segment, uint32_t Offset);
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enum class CharacteristicStyle {
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HeaderDefinition, // format as windows header definition
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Descriptive, // format as human readable words
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};
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std::string formatSectionCharacteristics(
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uint32_t IndentLevel, uint32_t C, uint32_t FlagsPerLine,
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StringRef Separator,
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CharacteristicStyle Style = CharacteristicStyle::HeaderDefinition);
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std::string typesetItemList(ArrayRef<std::string> Opts, uint32_t IndentLevel,
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uint32_t GroupSize, StringRef Sep);
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@ -446,18 +446,27 @@ Error MinimalSymbolDumper::visitKnownRecord(CVSymbol &CVR,
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SectionSym &Section) {
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P.format(" `{0}`", Section.Name);
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AutoIndent Indent(P, 7);
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P.formatLine("length = {0}, alignment = {1}, rva = {2}, section # = {3}, "
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"characteristics = {4}",
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P.formatLine("length = {0}, alignment = {1}, rva = {2}, section # = {3}",
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Section.Length, Section.Alignment, Section.Rva,
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Section.SectionNumber, Section.Characteristics);
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Section.SectionNumber);
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P.printLine("characteristics =");
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AutoIndent Indent2(P, 2);
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P.printLine(formatSectionCharacteristics(P.getIndentLevel(),
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Section.Characteristics, 1, "",
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CharacteristicStyle::Descriptive));
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return Error::success();
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}
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Error MinimalSymbolDumper::visitKnownRecord(CVSymbol &CVR, CoffGroupSym &CG) {
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P.format(" `{0}`", CG.Name);
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AutoIndent Indent(P, 7);
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P.formatLine("length = {0}, addr = {1}, characteristics = {2}", CG.Size,
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formatSegmentOffset(CG.Segment, CG.Offset), CG.Characteristics);
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P.formatLine("length = {0}, addr = {1}", CG.Size,
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formatSegmentOffset(CG.Segment, CG.Offset));
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P.printLine("characteristics =");
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AutoIndent Indent2(P, 2);
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P.printLine(formatSectionCharacteristics(P.getIndentLevel(),
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CG.Characteristics, 1, "",
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CharacteristicStyle::Descriptive));
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return Error::success();
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}
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