clover/llvm: Split native codegen into separate file.

Reviewed-by: Serge Martin <[email protected]>
Tested-by: Jan Vesely <[email protected]>

1 files changed, 0 insertions, 119 deletions

diff --git a/src/gallium/state_trackers/clover/llvm/invocation.cpp b/src/gallium/state_trackers/clover/llvm/invocation.cpp
index 54e2866966b..1d7b0d34924 100644
--- a/src/gallium/state_trackers/clover/llvm/invocation.cpp
+++ b/src/gallium/state_trackers/clover/llvm/invocation.cpp
@@ -249,125 +249,6 @@ namespace {
       pmb.populateModulePassManager(pm);
       pm.run(mod);
    }
-
-   std::vector<char>
-   emit_code(::llvm::Module &mod, const target &target,
-             TargetMachine::CodeGenFileType ft,
-             std::string &r_log) {
-      std::string err;
-      auto t = ::llvm::TargetRegistry::lookupTarget(target.triple, err);
-      if (!t)
-         fail(r_log, compile_error(), err);
-
-      std::unique_ptr<TargetMachine> tm {
-         t->createTargetMachine(target.triple, target.cpu, "", {},
-                                compat::default_reloc_model,
-                                ::llvm::CodeModel::Default,
-                                ::llvm::CodeGenOpt::Default) };
-      if (!tm)
-         fail(r_log, compile_error(),
-              "Could not create TargetMachine: " + target.triple);
-
-      ::llvm::SmallVector<char, 1024> data;
-
-      {
-         compat::pass_manager pm;
-         ::llvm::raw_svector_ostream os { data };
-         compat::raw_ostream_to_emit_file fos { os };
-
-         mod.setDataLayout(compat::get_data_layout(*tm));
-         tm->Options.MCOptions.AsmVerbose =
-            (ft == TargetMachine::CGFT_AssemblyFile);
-
-         if (tm->addPassesToEmitFile(pm, fos, ft))
-            fail(r_log, compile_error(), "TargetMachine can't emit this file");
-
-         pm.run(mod);
-      }
-
-      return { data.begin(), data.end() };
-   }
-
-   namespace elf {
-      std::unique_ptr<Elf, int (*)(Elf *)>
-      get(const std::vector<char> &code) {
-         // One of the libelf implementations
-         // (http://www.mr511.de/software/english.htm) requires calling
-         // elf_version() before elf_memory().
-         elf_version(EV_CURRENT);
-         return { elf_memory(const_cast<char *>(code.data()), code.size()),
-                  elf_end };
-      }
-
-      Elf_Scn *
-      get_symbol_table(Elf *elf) {
-         size_t section_str_index;
-         elf_getshdrstrndx(elf, &section_str_index);
-
-         for (Elf_Scn *s = elf_nextscn(elf, NULL); s; s = elf_nextscn(elf, s)) {
-            GElf_Shdr header;
-            if (gelf_getshdr(s, &header) != &header)
-               return nullptr;
-
-            if (!std::strcmp(elf_strptr(elf, section_str_index, header.sh_name),
-                             ".symtab"))
-               return s;
-         }
-
-         return nullptr;
-      }
-
-      std::map<std::string, unsigned>
-      get_symbol_offsets(Elf *elf, Elf_Scn *symtab) {
-         Elf_Data *const symtab_data = elf_getdata(symtab, NULL);
-         GElf_Shdr header;
-         if (gelf_getshdr(symtab, &header) != &header)
-            return {};
-
-         std::map<std::string, unsigned> symbol_offsets;
-         GElf_Sym symbol;
-         unsigned i = 0;
-
-         while (GElf_Sym *s = gelf_getsym(symtab_data, i++, &symbol)) {
-            const char *name = elf_strptr(elf, header.sh_link, s->st_name);
-            symbol_offsets[name] = s->st_value;
-         }
-
-         return symbol_offsets;
-      }
-   }
-
-   std::map<std::string, unsigned>
-   get_symbol_offsets(const std::vector<char> &code,
-                      std::string &r_log) {
-      const auto elf = elf::get(code);
-      const auto symtab = elf::get_symbol_table(elf.get());
-      if (!symtab)
-         fail(r_log, compile_error(), "Unable to find symbol table.");
-
-      return elf::get_symbol_offsets(elf.get(), symtab);
-   }
-
-   module
-   build_module_native(::llvm::Module &mod, const target &target,
-                       const clang::CompilerInstance &c,
-                       std::string &r_log) {
-      const auto code = emit_code(mod, target,
-                                  TargetMachine::CGFT_ObjectFile, r_log);
-      return build_module_common(mod, code, get_symbol_offsets(code, r_log), c);
-   }
-
-   std::string
-   print_module_native(const ::llvm::Module &mod, const target &target) {
-      std::string log;
-      try {
-         std::unique_ptr<llvm::Module> cmod { CloneModule(&mod) };
-         return as_string(emit_code(*cmod, target,
-                                    TargetMachine::CGFT_AssemblyFile, log));
-      } catch (...) {
-         return "Couldn't output native disassembly: " + log;
-      }
-   }
 } // End anonymous namespace
 
 module