Object: Add isSection{Data,BSS}.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140721 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Object/COFF.h b/include/llvm/Object/COFF.h
index d604b02d7..6a91008 100644
--- a/include/llvm/Object/COFF.h
+++ b/include/llvm/Object/COFF.h
@@ -106,6 +106,8 @@
virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const;
virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const;
virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
+ virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const;
+ virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const;
virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
bool &Result) const;
diff --git a/include/llvm/Object/ObjectFile.h b/include/llvm/Object/ObjectFile.h
index ca85e14..d648f35 100644
--- a/include/llvm/Object/ObjectFile.h
+++ b/include/llvm/Object/ObjectFile.h
@@ -131,6 +131,8 @@
// FIXME: Move to the normalization layer when it's created.
error_code isText(bool &Result) const;
+ error_code isData(bool &Result) const;
+ error_code isBSS(bool &Result) const;
error_code containsSymbol(SymbolRef S, bool &Result) const;
};
@@ -179,6 +181,8 @@
virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const = 0;
virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res)const=0;
virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const = 0;
+ virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const = 0;
+ virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const = 0;
virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
bool &Result) const = 0;
@@ -349,6 +353,14 @@
return OwningObject->isSectionText(SectionPimpl, Result);
}
+inline error_code SectionRef::isData(bool &Result) const {
+ return OwningObject->isSectionData(SectionPimpl, Result);
+}
+
+inline error_code SectionRef::isBSS(bool &Result) const {
+ return OwningObject->isSectionBSS(SectionPimpl, Result);
+}
+
inline error_code SectionRef::containsSymbol(SymbolRef S, bool &Result) const {
return OwningObject->sectionContainsSymbol(SectionPimpl, S.SymbolPimpl,
Result);
diff --git a/lib/Object/COFFObjectFile.cpp b/lib/Object/COFFObjectFile.cpp
index 6d9e959..10afad8 100644
--- a/lib/Object/COFFObjectFile.cpp
+++ b/lib/Object/COFFObjectFile.cpp
@@ -342,6 +342,20 @@
return object_error::success;
}
+error_code COFFObjectFile::isSectionData(DataRefImpl Sec,
+ bool &Result) const {
+ const coff_section *sec = toSec(Sec);
+ Result = sec->Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::isSectionBSS(DataRefImpl Sec,
+ bool &Result) const {
+ const coff_section *sec = toSec(Sec);
+ Result = sec->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
+ return object_error::success;
+}
+
error_code COFFObjectFile::sectionContainsSymbol(DataRefImpl Sec,
DataRefImpl Symb,
bool &Result) const {
diff --git a/lib/Object/ELFObjectFile.cpp b/lib/Object/ELFObjectFile.cpp
index 0458c07..3a151d3 100644
--- a/lib/Object/ELFObjectFile.cpp
+++ b/lib/Object/ELFObjectFile.cpp
@@ -324,6 +324,8 @@
virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const;
virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const;
virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
+ virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const;
+ virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const;
virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
bool &Result) const;
@@ -676,6 +678,32 @@
template<support::endianness target_endianness, bool is64Bits>
error_code ELFObjectFile<target_endianness, is64Bits>
+ ::isSectionData(DataRefImpl Sec,
+ bool &Result) const {
+ const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
+ if (sec->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE)
+ && sec->sh_type == ELF::SHT_PROGBITS)
+ Result = true;
+ else
+ Result = false;
+ return object_error::success;
+}
+
+template<support::endianness target_endianness, bool is64Bits>
+error_code ELFObjectFile<target_endianness, is64Bits>
+ ::isSectionBSS(DataRefImpl Sec,
+ bool &Result) const {
+ const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
+ if (sec->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE)
+ && sec->sh_type == ELF::SHT_NOBITS)
+ Result = true;
+ else
+ Result = false;
+ return object_error::success;
+}
+
+template<support::endianness target_endianness, bool is64Bits>
+error_code ELFObjectFile<target_endianness, is64Bits>
::sectionContainsSymbol(DataRefImpl Sec,
DataRefImpl Symb,
bool &Result) const {
diff --git a/lib/Object/MachOObjectFile.cpp b/lib/Object/MachOObjectFile.cpp
index 615e4e2..33e0d26 100644
--- a/lib/Object/MachOObjectFile.cpp
+++ b/lib/Object/MachOObjectFile.cpp
@@ -63,6 +63,8 @@
virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const;
virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const;
virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
+ virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const;
+ virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const;
virtual error_code sectionContainsSymbol(DataRefImpl DRI, DataRefImpl S,
bool &Result) const;
@@ -480,6 +482,20 @@
return object_error::success;
}
+error_code MachOObjectFile::isSectionData(DataRefImpl DRI,
+ bool &Result) const {
+ // FIXME: Unimplemented.
+ Result = false;
+ return object_error::success;
+}
+
+error_code MachOObjectFile::isSectionBSS(DataRefImpl DRI,
+ bool &Result) const {
+ // FIXME: Unimplemented.
+ Result = false;
+ return object_error::success;
+}
+
error_code MachOObjectFile::sectionContainsSymbol(DataRefImpl Sec,
DataRefImpl Symb,
bool &Result) const {
