6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-15 19:24:33 +00:00
Code Issues Projects Releases Wiki Activity

Adding dllimport, dllexport and external weak linkage types.

Browse Source 
DLL* linkages got full (I hope) codegeneration support in C & both x86
assembler backends.
External weak linkage added for future use, we don't provide any
codegeneration, etc. support for it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30374 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2006-09-14 18:23:27 +00:00
parent a17cf0a7e2
commit b74ed07bfd
30 changed files with 477 additions and 103 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
lib/Bytecode/Reader/Reader.cpp
View File

@@ -1791,6 +1791,9 @@ void BytecodeReader::ParseFunctionBody(Function* F) {
case 2: Linkage = GlobalValue::AppendingLinkage; break;
case 3: Linkage = GlobalValue::InternalLinkage; break;
case 4: Linkage = GlobalValue::LinkOnceLinkage; break;
case 5: Linkage = GlobalValue::DLLImportLinkage; break;
case 6: Linkage = GlobalValue::DLLExportLinkage; break;
case 7: Linkage = GlobalValue::ExternalWeakLinkage; break;
default:
error("Invalid linkage type for Function.");
Linkage = GlobalValue::InternalLinkage;
@@ -2047,6 +2050,9 @@ void BytecodeReader::ParseModuleGlobalInfo() {
case 2: Linkage = GlobalValue::AppendingLinkage; break;
case 3: Linkage = GlobalValue::InternalLinkage; break;
case 4: Linkage = GlobalValue::LinkOnceLinkage; break;
case 5: Linkage = GlobalValue::DLLImportLinkage; break;
case 6: Linkage = GlobalValue::DLLExportLinkage; break;
case 7: Linkage = GlobalValue::ExternalWeakLinkage; break;
default:
error("Unknown linkage type: " + utostr(LinkageID));
Linkage = GlobalValue::InternalLinkage;
@@ -2129,6 +2135,14 @@ void BytecodeReader::ParseModuleGlobalInfo() {
if (ExtWord & (1 << 10)) // Has a section ID.
SectionID[Func] = read_vbr_uint();
// Parse external declaration linkage
switch ((ExtWord >> 11) & 3) {
case 0: break;
case 1: Func->setLinkage(Function::DLLImportLinkage); break;
case 2: Func->setLinkage(Function::ExternalWeakLinkage); break;
default: assert(0 && "Unsupported external linkage");
}
}
Func->setCallingConv(CC-1);