motiejus/zig
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progress towards merging

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see BRANCH_TODO file
This commit is contained in:
Andrew Kelley
2020-01-19 02:40:35 -05:00
parent c15623428e
commit a867b43366
17 changed files with 2108 additions and 2063 deletions
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56
src/codegen.cpp
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@@ -8573,6 +8573,17 @@ Buf *codegen_generate_builtin_source(CodeGen *g) {
buf_appendf(contents, "pub const os = Os.%s;\n", cur_os);
buf_appendf(contents, "pub const arch = %s;\n", cur_arch);
buf_appendf(contents, "pub const abi = Abi.%s;\n", cur_abi);
{
buf_append_str(contents, "pub const cpu_features: CpuFeatures = ");
if (g->zig_target->cpu_features != nullptr) {
const char *ptr;
size_t len;
stage2_cpu_features_get_builtin_str(g->zig_target->cpu_features, &ptr, &len);
buf_append_mem(contents, ptr, len);
} else {
buf_append_str(contents, ".baseline;\n");
}
}
if (g->libc_link_lib != nullptr && g->zig_target->glibc_version != nullptr) {
buf_appendf(contents,
"pub const glibc_version: ?Version = Version{.major = %d, .minor = %d, .patch = %d};\n",
@@ -8602,14 +8613,6 @@ Buf *codegen_generate_builtin_source(CodeGen *g) {
"pub var test_functions: []TestFn = undefined; // overwritten later\n"
);
}
buf_appendf(contents, "pub const target_details: ?@import(\"std\").target.TargetDetails = ");
if (g->target_details) {
buf_appendf(contents, "%s", stage2_target_details_get_builtin_str(g->target_details));
} else {
buf_appendf(contents, "null;");
}
buf_appendf(contents, "\n");
return contents;
}
@@ -8648,6 +8651,12 @@ static Error define_builtin_compile_vars(CodeGen *g) {
cache_int(&cache_hash, g->zig_target->vendor);
cache_int(&cache_hash, g->zig_target->os);
cache_int(&cache_hash, g->zig_target->abi);
if (g->zig_target->cpu_features != nullptr) {
const char *ptr;
size_t len;
stage2_cpu_features_get_cache_hash(g->zig_target->cpu_features, &ptr, &len);
cache_str(&cache_hash, ptr);
}
if (g->zig_target->glibc_version != nullptr) {
cache_int(&cache_hash, g->zig_target->glibc_version->major);
cache_int(&cache_hash, g->zig_target->glibc_version->minor);
@@ -8659,10 +8668,6 @@ static Error define_builtin_compile_vars(CodeGen *g) {
cache_bool(&cache_hash, g->link_eh_frame_hdr);
cache_int(&cache_hash, detect_subsystem(g));
if (g->target_details) {
cache_str(&cache_hash, stage2_target_details_get_cache_str(g->target_details));
}
Buf digest = BUF_INIT;
buf_resize(&digest, 0);
if ((err = cache_hit(&cache_hash, &digest))) {
@@ -8793,9 +8798,9 @@ static void init(CodeGen *g) {
}
// Override CPU and features if defined by user.
if (g->target_details) {
target_specific_cpu_args = stage2_target_details_get_llvm_cpu(g->target_details);
target_specific_features = stage2_target_details_get_llvm_features(g->target_details);
if (g->zig_target->cpu_features != nullptr) {
target_specific_cpu_args = stage2_cpu_features_get_llvm_cpu(g->zig_target->cpu_features);
target_specific_features = stage2_cpu_features_get_llvm_features(g->zig_target->cpu_features);
}
g->target_machine = ZigLLVMCreateTargetMachine(target_ref, buf_ptr(&g->llvm_triple_str),
@@ -9123,15 +9128,19 @@ void add_cc_args(CodeGen *g, ZigList<const char *> &args, const char *out_dep_pa
args.append("-target");
args.append(buf_ptr(&g->llvm_triple_str));
if (g->target_details) {
const char *llvm_cpu = stage2_cpu_features_get_llvm_cpu(g->zig_target->cpu_features);
if (llvm_cpu != nullptr) {
args.append("-Xclang");
args.append("-target-cpu");
args.append("-Xclang");
args.append(stage2_target_details_get_llvm_cpu(g->target_details));
args.append(llvm_cpu);
}
const char *llvm_target_features = stage2_cpu_features_get_llvm_features(g->zig_target->cpu_features);
if (llvm_target_features != nullptr) {
args.append("-Xclang");
args.append("-target-feature");
args.append("-Xclang");
args.append(stage2_target_details_get_llvm_features(g->target_details));
args.append(llvm_target_features);
}
}
@@ -10328,6 +10337,12 @@ static Error check_cache(CodeGen *g, Buf *manifest_dir, Buf *digest) {
cache_int(ch, g->zig_target->vendor);
cache_int(ch, g->zig_target->os);
cache_int(ch, g->zig_target->abi);
if (g->zig_target->cpu_features != nullptr) {
const char *ptr;
size_t len;
stage2_cpu_features_get_cache_hash(g->zig_target->cpu_features, &ptr, &len);
cache_str(ch, ptr);
}
if (g->zig_target->glibc_version != nullptr) {
cache_int(ch, g->zig_target->glibc_version->major);
cache_int(ch, g->zig_target->glibc_version->minor);
@@ -10375,10 +10390,6 @@ static Error check_cache(CodeGen *g, Buf *manifest_dir, Buf *digest) {
cache_buf_opt(ch, g->dynamic_linker_path);
cache_buf_opt(ch, g->version_script_path);
if (g->target_details) {
cache_str(ch, stage2_target_details_get_cache_str(g->target_details));
}
// gen_c_objects appends objects to g->link_objects which we want to include in the hash
gen_c_objects(g);
cache_list_of_file(ch, g->link_objects.items, g->link_objects.length);
@@ -10661,7 +10672,6 @@ CodeGen *create_child_codegen(CodeGen *parent_gen, Buf *root_src_path, OutType o
CodeGen *child_gen = codegen_create(nullptr, root_src_path, parent_gen->zig_target, out_type,
parent_gen->build_mode, parent_gen->zig_lib_dir, libc, get_global_cache_dir(), false, child_progress_node);
child_gen->target_details = parent_gen->target_details;
child_gen->root_out_name = buf_create_from_str(name);
child_gen->disable_gen_h = true;
child_gen->want_stack_check = WantStackCheckDisabled;