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[JITLink] Use Blocks rather than Symbols for SectionRange.

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This ensures that anonymous blocks are included in the section range.
This commit is contained in:
Lang Hames 2019-12-05 20:04:53 -08:00
parent 6b150e9d3c
commit 1eaa1069e9
1 changed files with 13 additions and 14 deletions
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27
include/llvm/ExecutionEngine/JITLink/JITLink.h
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@ -615,21 +615,21 @@ class SectionRange {
public:
SectionRange() = default;
SectionRange(const Section &Sec) {
if (llvm::empty(Sec.symbols()))
if (llvm::empty(Sec.blocks()))
return;
First = Last = *Sec.symbols().begin();
for (auto *Sym : Sec.symbols()) {
if (Sym->getAddress() < First->getAddress())
First = Sym;
if (Sym->getAddress() > Last->getAddress())
Last = Sym;
First = Last = *Sec.blocks().begin();
for (auto *B : Sec.blocks()) {
if (B->getAddress() < First->getAddress())
First = B;
if (B->getAddress() > Last->getAddress())
Last = B;
}
}
Symbol *getFirstSymbol() const {
Block *getFirstBlock() const {
assert((!Last || First) && "First can not be null if end is non-null");
return First;
}
Symbol *getLastSymbol() const {
Block *getLastBlock() const {
assert((First || !Last) && "Last can not be null if start is non-null");
return Last;
}
@ -638,17 +638,16 @@ public:
return !First;
}
JITTargetAddress getStart() const {
return First ? First->getBlock().getAddress() : 0;
return First ? First->getAddress() : 0;
}
JITTargetAddress getEnd() const {
return Last ? Last->getBlock().getAddress() + Last->getBlock().getSize()
: 0;
return Last ? Last->getAddress() + Last->getSize() : 0;
}
uint64_t getSize() const { return getEnd() - getStart(); }
private:
Symbol *First = nullptr;
Symbol *Last = nullptr;
Block *First = nullptr;
Block *Last = nullptr;
};
class LinkGraph {