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Modified the code so that it generates (0) for setjmp() and abort() for

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longjmp() (and does not include setjmp.h).
This is to fix some problems on Sparc while non-local jumps are still
unimplemented.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7449 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
John Criswell 2003-07-31 15:11:08 +00:00
parent be08bb399a
commit 506dad0664
2 changed files with 36 additions and 0 deletions
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18
lib/Target/CBackend/CBackend.cpp
View File

@ -570,7 +570,9 @@ void CWriter::printModule(Module *M) {
// get declaration for alloca
Out << "/* Provide Declarations */\n";
Out << "#include <stdarg.h>\n";
#ifdef HAVE_JUMP
Out << "#include <setjmp.h>\n";
#endif
generateCompilerSpecificCode(Out);
// Provide a definition for `bool' if not compiling with a C++ compiler.
@ -1123,16 +1125,32 @@ void CWriter::visitCallInst(CallInst &I) {
return;
case LLVMIntrinsic::setjmp:
#ifdef HAVE_JUMP
Out << "setjmp(*(jmp_buf*)";
writeOperand(I.getOperand(1));
Out << ")";
#else
//
// For right now, we don't really support non-local jumps. So
// make setjmp() always evaluate to zero for now.
//
Out << "(0)";
#endif
return;
case LLVMIntrinsic::longjmp:
#ifdef HAVE_JUMP
Out << "longjmp(*(jmp_buf*)";
writeOperand(I.getOperand(1));
Out << ", ";
writeOperand(I.getOperand(2));
Out << ")";
#else
//
// For right now, we don't really support non-local jumps. So
// make longjmp() abort the program.
//
Out << "abort()";
#endif
return;
}
}

18
lib/Target/CBackend/Writer.cpp
View File

@ -570,7 +570,9 @@ void CWriter::printModule(Module *M) {
// get declaration for alloca
Out << "/* Provide Declarations */\n";
Out << "#include <stdarg.h>\n";
#ifdef HAVE_JUMP
Out << "#include <setjmp.h>\n";
#endif
generateCompilerSpecificCode(Out);
// Provide a definition for `bool' if not compiling with a C++ compiler.
@ -1123,16 +1125,32 @@ void CWriter::visitCallInst(CallInst &I) {
return;
case LLVMIntrinsic::setjmp:
#ifdef HAVE_JUMP
Out << "setjmp(*(jmp_buf*)";
writeOperand(I.getOperand(1));
Out << ")";
#else
//
// For right now, we don't really support non-local jumps. So
// make setjmp() always evaluate to zero for now.
//
Out << "(0)";
#endif
return;
case LLVMIntrinsic::longjmp:
#ifdef HAVE_JUMP
Out << "longjmp(*(jmp_buf*)";
writeOperand(I.getOperand(1));
Out << ", ";
writeOperand(I.getOperand(2));
Out << ")";
#else
//
// For right now, we don't really support non-local jumps. So
// make longjmp() abort the program.
//
Out << "abort()";
#endif
return;
}
}