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fix some 80 column violations

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Add support for programs that define main in a .a file, such as f2c'd programs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20631 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-03-15 23:03:34 +00:00
parent fc82ef6797
commit c72e57314a
1 changed files with 11 additions and 4 deletions
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15
lib/Linker/LinkArchives.cpp
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@ -21,8 +21,6 @@
#include "llvm/Config/config.h" #include "llvm/Config/config.h"
#include <memory> #include <memory>
#include <set> #include <set>
#include <iostream>
using namespace llvm; using namespace llvm;
/// GetAllDefinedSymbols - Modifies its parameter DefinedSymbols to contain the /// GetAllDefinedSymbols - Modifies its parameter DefinedSymbols to contain the
@ -33,7 +31,8 @@ GetAllDefinedSymbols(Module *M, std::set<std::string> &DefinedSymbols) {
for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I) for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
if (I->hasName() && !I->isExternal() && !I->hasInternalLinkage()) if (I->hasName() && !I->isExternal() && !I->hasInternalLinkage())
DefinedSymbols.insert(I->getName()); DefinedSymbols.insert(I->getName());
for (Module::global_iterator I = M->global_begin(), E = M->global_end(); I != E; ++I) for (Module::global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I)
if (I->hasName() && !I->isExternal() && !I->hasInternalLinkage()) if (I->hasName() && !I->isExternal() && !I->hasInternalLinkage())
DefinedSymbols.insert(I->getName()); DefinedSymbols.insert(I->getName());
} }
@ -54,6 +53,13 @@ static void
GetAllUndefinedSymbols(Module *M, std::set<std::string> &UndefinedSymbols) { GetAllUndefinedSymbols(Module *M, std::set<std::string> &UndefinedSymbols) {
std::set<std::string> DefinedSymbols; std::set<std::string> DefinedSymbols;
UndefinedSymbols.clear(); UndefinedSymbols.clear();
// If the program doesn't define a main, try pulling one in from a .a file.
// This is needed for programs where the main function is defined in an
// archive, such f2c'd programs.
Function *Main = M->getMainFunction();
if (Main == 0 || Main->isExternal())
UndefinedSymbols.insert("main");
for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I) for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
if (I->hasName()) { if (I->hasName()) {
@ -62,7 +68,8 @@ GetAllUndefinedSymbols(Module *M, std::set<std::string> &UndefinedSymbols) {
else if (!I->hasInternalLinkage()) else if (!I->hasInternalLinkage())
DefinedSymbols.insert(I->getName()); DefinedSymbols.insert(I->getName());
} }
for (Module::global_iterator I = M->global_begin(), E = M->global_end(); I != E; ++I) for (Module::global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I)
if (I->hasName()) { if (I->hasName()) {
if (I->isExternal()) if (I->isExternal())
UndefinedSymbols.insert(I->getName()); UndefinedSymbols.insert(I->getName());