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Many Trick sims SEGFAULT when built in 32-bit mode #440

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Added a switch to trick-ICG to handle the -m32 flag.  When the
flag is present we tell clang to use a 32bit layout when calculating
member offsets.
This commit is contained in:
Alex Lin 2017-06-19 14:18:37 -05:00
parent 9b5c3fc2cc
commit e2693de992
2 changed files with 12 additions and 2 deletions
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1
share/trick/makefiles/Makefile.common
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@ -105,6 +105,7 @@ ifeq ($(USE_ER7_UTILS), 1)
endif
ifeq ($(TRICK_FORCE_32BIT), 1)
TRICK_ICGFLAGS += -m32
TRICK_SYSTEM_CXXFLAGS += -m32
TRICK_SYSTEM_LDFLAGS += -m32
LD_PARTIAL += -melf_i386

13
trick_source/codegen/Interface_Code_Gen/main.cpp
View File

@ -45,6 +45,7 @@ llvm::cl::list<std::string> pre_compiled_headers("include", llvm::cl::Prefix, ll
llvm::cl::opt<bool> global_compat15("c", llvm::cl::desc("Print the offsetof calculations in attributes")) ;
llvm::cl::opt<llvm::cl::boolOrDefault> print_trick_icg("print-TRICK-ICG", llvm::cl::desc("Print warnings where TRICK_ICG may cause io_src inconsistencies")) ;
llvm::cl::alias compat15_alias ("compat15" , llvm::cl::desc("Alias for -c") , llvm::cl::aliasopt(global_compat15)) ;
llvm::cl::opt<bool> m32("m32", llvm::cl::desc("Generate io code for use with 32bit mode"), llvm::cl::init(false), llvm::cl::ZeroOrMore) ;
/**
Most of the main program is pieced together from examples on the web. We are doing the following:
@ -102,14 +103,22 @@ int main(int argc, char * argv[]) {
// Set the default target architecture
#if (LIBCLANG_MAJOR > 3) || ((LIBCLANG_MAJOR == 3) && (LIBCLANG_MINOR >= 5))
clang::TargetOptions to;
to.Triple = llvm::sys::getDefaultTargetTriple();
if ( m32 ) {
to.Triple = llvm::Triple(llvm::sys::getDefaultTargetTriple()).get32BitArchVariant().str();
} else {
to.Triple = llvm::sys::getDefaultTargetTriple();
}
std::shared_ptr<clang::TargetOptions> shared_to = std::make_shared<clang::TargetOptions>(to) ;
clang::TargetInfo *pti = clang::TargetInfo::CreateTargetInfo(ci.getDiagnostics(), shared_to);
ci.setTarget(pti);
ci.createPreprocessor(clang::TU_Complete);
#else
clang::TargetOptions * to = new clang::TargetOptions() ;
to->Triple = llvm::sys::getDefaultTargetTriple();
if ( m32 ) {
to->Triple = llvm::Triple(llvm::sys::getDefaultTargetTriple()).get32BitArchVariant().str();
} else {
to->Triple = llvm::sys::getDefaultTargetTriple();
}
clang::TargetInfo *pti = clang::TargetInfo::CreateTargetInfo(ci.getDiagnostics(), to);
ci.setTarget(pti);
ci.createPreprocessor();