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add -ffunction-sections arg when building C objects

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the other changes in this commit are minor tidying up
This commit is contained in:
Andrew Kelley 2019-07-03 15:46:27 -04:00
parent 2f4faf306d
commit 4606baee07
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GPG Key ID: 7C5F548F728501A9
2 changed files with 8 additions and 3 deletions
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6
src/codegen.cpp
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@ -8341,6 +8341,10 @@ void add_cc_args(CodeGen *g, ZigList<const char *> &args, const char *out_dep_pa
args.append("-nostdinc");
args.append("-fno-spell-checking");
if (g->function_sections) {
args.append("-ffunction-sections");
}
if (translate_c) {
// this gives us access to preprocessing entities, presumably at
// the cost of performance
@ -8765,10 +8769,10 @@ Error create_c_object_cache(CodeGen *g, CacheHash **out_cache_hash, bool verbose
cache_int(cache_hash, g->build_mode);
cache_bool(cache_hash, g->have_pic);
cache_bool(cache_hash, want_valgrind_support(g));
cache_bool(cache_hash, g->function_sections);
for (size_t arg_i = 0; arg_i < g->clang_argv_len; arg_i += 1) {
cache_str(cache_hash, g->clang_argv[arg_i]);
}
cache_bool(cache_hash, g->function_sections);
*out_cache_hash = cache_hash;
return ErrorNone;

5
src/zig_llvm.cpp
View File

@ -145,8 +145,9 @@ LLVMTargetMachineRef ZigLLVMCreateTargetMachine(LLVMTargetRef T, const char *Tri
TargetOptions opt;
opt.FunctionSections = function_sections;
return reinterpret_cast<LLVMTargetMachineRef>(const_cast<TargetMachine *>(
reinterpret_cast<Target*>(T)->createTargetMachine(Triple, CPU, Features, opt, RM, CM, OL, JIT)));
TargetMachine *TM = reinterpret_cast<Target*>(T)->createTargetMachine(Triple, CPU, Features, opt, RM, CM,
OL, JIT);
return reinterpret_cast<LLVMTargetMachineRef>(TM);
}
bool ZigLLVMTargetMachineEmitToFile(LLVMTargetMachineRef targ_machine_ref, LLVMModuleRef module_ref,