objective-c modern abi rewriter: provide section pragmas for

statically writter metadata.
// rdar://11023490

llvm-svn: 152546
This commit is contained in:
Fariborz Jahanian 2012-03-11 19:41:56 +00:00
parent 0f90695e31
commit 008dfe2fb3
1 changed files with 28 additions and 3 deletions

View File

@ -5158,6 +5158,14 @@ void RewriteModernObjC::Initialize(ASTContext &context) {
Preamble += "struct __rw_objc_super { struct objc_object *object; ";
Preamble += "struct objc_object *superClass; ";
if (LangOpts.MicrosoftExt) {
// Define all sections using syntax that makes sense.
Preamble += "\n#pragma section(\".datacoal_nt$B\", long, read, write)\n";
Preamble += "#pragma section(\".cat_cls_meth$B\", long, read, write)\n";
Preamble += "#pragma section(\".objc_classlist$B\", long, read, write)\n";
Preamble += "#pragma section(\".objc_catlist$B\", long, read, write)\n";
Preamble += "#pragma section(\".inst_meth$B\", long, read, write)\n";
Preamble += "#pragma section(\".cls_meth$B\", long, read, write)\n";
// Add a constructor for creating temporary objects.
Preamble += "__rw_objc_super(struct objc_object *o, struct objc_object *s) "
": ";
@ -6013,7 +6021,10 @@ void RewriteModernObjC::RewriteObjCProtocolMetaData(ObjCProtocolDecl *PDecl,
PDecl->getNameAsString());
// Writer out root metadata for current protocol: struct _protocol_t
Result += "\nstatic struct _protocol_t _OBJC_PROTOCOL_";
Result += "\n";
if (LangOpts.MicrosoftExt)
Result += "__declspec(allocate(\".datacoal_nt$B\")) ";
Result += "static struct _protocol_t _OBJC_PROTOCOL_";
Result += PDecl->getNameAsString();
Result += " __attribute__ ((used, section (\"__DATA,__datacoal_nt,coalesced\"))) = {\n";
Result += "\t0,\n"; // id is; is null
@ -6092,7 +6103,10 @@ void RewriteModernObjC::RewriteObjCProtocolListMetaData(
struct _objc_protocol *class_protocols[];
}
*/
Result += "\nstatic struct {\n";
Result += "\n";
if (LangOpts.MicrosoftExt)
Result += "__declspec(allocate(\".cat_cls_meth$B\")) ";
Result += "static struct {\n";
Result += "\tstruct _objc_protocol_list *next;\n";
Result += "\tint protocol_count;\n";
Result += "\tstruct _objc_protocol *class_protocols[";
@ -6312,6 +6326,8 @@ void RewriteModernObjC::RewriteMetaDataIntoBuffer(std::string &Result) {
RewriteObjCCategoryImplDecl(CategoryImplementation[i], Result);
if (ClsDefCount > 0) {
if (LangOpts.MicrosoftExt)
Result += "__declspec(allocate(\".objc_classlist$B\")) ";
Result += "static struct _class_t *L_OBJC_LABEL_CLASS_$ [";
Result += llvm::utostr(ClsDefCount); Result += "]";
Result +=
@ -6326,6 +6342,8 @@ void RewriteModernObjC::RewriteMetaDataIntoBuffer(std::string &Result) {
}
if (CatDefCount > 0) {
if (LangOpts.MicrosoftExt)
Result += "__declspec(allocate(\".objc_catlist$B\")) ";
Result += "static struct _category_t *L_OBJC_LABEL_CATEGORY_$ [";
Result += llvm::utostr(CatDefCount); Result += "]";
Result +=
@ -6470,7 +6488,14 @@ void RewriteModernObjC::RewriteObjCMethodsMetaData(MethodIterator MethodBegin,
}
*/
unsigned NumMethods = std::distance(MethodBegin, MethodEnd);
Result += "\nstatic struct {\n";
Result += "\n";
if (LangOpts.MicrosoftExt) {
if (IsInstanceMethod)
Result += "__declspec(allocate(\".inst_meth$B\")) ";
else
Result += "__declspec(allocate(\".cls_meth$B\")) ";
}
Result += "static struct {\n";
Result += "\tstruct _objc_method_list *next_method;\n";
Result += "\tint method_count;\n";
Result += "\tstruct _objc_method method_list[";