From: Andreas Beckmann <anbe@debian.org>
Date: Thu, 14 Mar 2024 19:01:08 +0000 (+0100)
Subject: reduce the amount of symbols exposed by the library
X-Git-Tag: archive/raspbian/15.0.1-1+rpi1^2^2~1
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=47dd2302ea4b98dd2b807ee06bf6fbdd4a24e98c;p=spirv-llvm-translator-15.git

reduce the amount of symbols exposed by the library

Forwarded: https://github.com/KhronosGroup/SPIRV-LLVM-Translator/issues/1963


Gbp-Pq: Name visibility-hidden.patch
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 08980f2..439e28d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -117,6 +117,9 @@ if(NOT SPIRV_TOOLS_FOUND)
           "--spirv-tools-dis support.")
 endif(NOT SPIRV_TOOLS_FOUND)
 
+add_compile_options(-fvisibility=hidden)
+add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-fvisibility-inlines-hidden>)
+
 add_subdirectory(lib/SPIRV)
 add_subdirectory(tools/llvm-spirv)
 if(LLVM_SPIRV_INCLUDE_TESTS)
diff --git a/include/LLVMSPIRVLib.h b/include/LLVMSPIRVLib.h
index 7102385..0517326 100644
--- a/include/LLVMSPIRVLib.h
+++ b/include/LLVMSPIRVLib.h
@@ -46,6 +46,8 @@
 #include <iostream>
 #include <string>
 
+#pragma GCC visibility push(default)
+
 namespace llvm {
 // Pass initialization functions need to be declared before inclusion of
 // PassSupport.h.
@@ -68,8 +70,12 @@ class ModulePass;
 class FunctionPass;
 } // namespace llvm
 
+#pragma GCC visibility pop
+
 #include "llvm/IR/Module.h"
 
+#pragma GCC visibility push(default)
+
 namespace SPIRV {
 
 class SPIRVModule;
@@ -229,4 +235,6 @@ FunctionPass *createSPIRVLowerBitCastToNonStandardTypeLegacy(
 
 } // namespace llvm
 
+#pragma GCC visibility pop
+
 #endif // SPIRV_H
diff --git a/include/LLVMSPIRVOpts.h b/include/LLVMSPIRVOpts.h
index fa1df5f..92917eb 100644
--- a/include/LLVMSPIRVOpts.h
+++ b/include/LLVMSPIRVOpts.h
@@ -48,6 +48,8 @@
 #include <map>
 #include <unordered_map>
 
+#pragma GCC visibility push(default)
+
 namespace llvm {
 class IntrinsicInst;
 } // namespace llvm
@@ -245,4 +247,6 @@ private:
 
 } // namespace SPIRV
 
+#pragma GCC visibility pop
+
 #endif // SPIRV_LLVMSPIRVOPTS_H
diff --git a/lib/SPIRV/libSPIRV/SPIRVModule.cpp b/lib/SPIRV/libSPIRV/SPIRVModule.cpp
index bfe4217..da9e355 100644
--- a/lib/SPIRV/libSPIRV/SPIRVModule.cpp
+++ b/lib/SPIRV/libSPIRV/SPIRVModule.cpp
@@ -2251,6 +2251,7 @@ bool isSpirvBinary(const std::string &Img) {
 
 #ifdef _SPIRV_SUPPORT_TEXT_FMT
 
+__attribute__ ((visibility ("default")))
 bool convertSpirv(std::istream &IS, std::ostream &OS, std::string &ErrMsg,
                   bool FromText, bool ToText) {
   auto SaveOpt = SPIRVUseTextFormat;
@@ -2287,6 +2288,7 @@ bool isSpirvText(const std::string &Img) {
   return Magic == MagicNumber;
 }
 
+__attribute__ ((visibility ("default")))
 bool convertSpirv(std::string &Input, std::string &Out, std::string &ErrMsg,
                   bool ToText) {
   auto FromText = isSpirvText(Input);
diff --git a/lib/SPIRV/libSPIRV/SPIRVStream.cpp b/lib/SPIRV/libSPIRV/SPIRVStream.cpp
index 65ca5cb..8539d7c 100644
--- a/lib/SPIRV/libSPIRV/SPIRVStream.cpp
+++ b/lib/SPIRV/libSPIRV/SPIRVStream.cpp
@@ -82,6 +82,7 @@ static void readQuotedString(std::istream &IS, std::string &Str) {
 }
 
 #ifdef _SPIRV_SUPPORT_TEXT_FMT
+__attribute__ ((visibility ("default")))
 bool SPIRVUseTextFormat = false;
 #endif