Experiments

Author: lerno

.github/workflows/main.yml

@@ -370,7 +370,6 @@ jobs:
           ../build/c3c compile-run examples/factorial_macro.c3
           ../build/c3c compile-run examples/fasta.c3
           ../build/c3c compile-run examples/process.c3
-          ../build/c3c compile-run linux_stack.c3
 
       - name: Compile run unit tests
         run: |

lib/std/core/builtin.c3

@@ -87,11 +87,11 @@ struct CallstackElement
 	uint line;
 }
 
-fn bool print_backtrace(String message, int backtraces_to_ignore) @if(env::DARWIN || env::LINUX)
+fn bool print_backtrace(String message, int backtraces_to_ignore) @if(env::DARWIN)
 {
 	@pool()
 	{
-		BacktraceList! backtrace = backtrace::backtrace_load(mem::temp());
+		BacktraceList! backtrace = darwin::backtrace_load(mem::temp());
 		if (catch backtrace) return false;
 		if (backtrace.len() <= backtraces_to_ignore) return false;
 		io::eprint("\nERROR: '");

lib/std/os/backtrace.c3

@@ -50,9 +50,6 @@ fn void Backtrace.free(&self)
 	self.allocator.free(self.file);
 }
 
-def backtrace_load = darwin::backtrace_load @if(env::DARWIN);
-def backtrace_load = linux::backtrace_load @if(env::LINUX);
-
 fn Backtrace* Backtrace.init(&self, uptr offset, String function, String object_file, String file = "", uint line = 0, Allocator* using = mem::heap())
 {
 	if (!using)

lib/std/os/linux/linux.c3

@@ -144,7 +144,8 @@ fn Backtrace! backtrace_load_element(void* addr, Allocator* allocator = mem::hea
         void* obj_address = addr - (uptr)info.dli_fbase + (uptr)elf_module_image_base(info.dli_fname.str_view())!;
         ZString obj_path = info.dli_fname;
         String s = process::execute_stdout_to_buffer(buf, { "addr2line", "-p", "-i", "-C", "-f", "-e", obj_path.str_view(), string::tformat("0x%x", obj_address) })!;
-        String[] parts = s.tsplit(" at ");
+        io::printfn("Result: [%s]", s);
+		String[] parts = s.tsplit(" at ");
 		if (parts.len != 2)
 		{
 			return {
@@ -177,7 +178,6 @@ fn BacktraceList! backtrace_load(Allocator* allocator)
 {
 	void*[256] bt_buffer;
 	CInt size = posix::backtrace(&bt_buffer, 256);
-	io::printfn("Backtrace list %s", size);
 	BacktraceList list;
 	list.init_new(size, allocator);
 	defer catch

resources/linux_stack.c3

@@ -3,28 +3,12 @@ import std::io;
 import std::collections::map;
 import std::os;
 
-fn void! test2()
+fn void! main()
 {
-	io::printn("Hello");
-	//typeid y = int.typeid;
+	int x = 2;
 	BacktraceList list = linux::backtrace_load(mem::heap())!;
-    foreach (Backtrace trace : list)
-    {
-        io::printfn(">%s", trace);
+	foreach (Backtrace trace : list)
+	{
+		io::printfn(">%s", trace);
 	}
-	//builtin::panicf("FEHifej", "file", "fun", 123);
-	int x = 2;
-	int[1] y;
-//	int z = y[x];
-//assert(false, "ofkef");
-}
-
-fn void test1()
-{
-	io::printfn("Hello2");
-	(void)test2();
-}
-fn void main()
-{
-	test1();
 }

src/compiler/compiler_internal.h

@@ -2367,7 +2367,6 @@ void codegen_setup_object_names(Module *module, const char **ir_filename, const
 void target_setup(BuildTarget *build_target);
 int target_alloca_addr_space();
 bool os_is_apple(OsType os_type);
-bool os_supports_stacktrace(OsType os_type);
 bool arch_is_wasm(ArchType type);
 
 const char *macos_sysroot(void);

src/compiler/linker.c

@@ -390,7 +390,6 @@ static void linker_setup_linux(const char ***args_ref, LinkerType linker_type)
 		{
 			add_arg("-rdynamic");
 		}
-		vec_add(active_target.linker_libs, "dl");
 		add_arg("-pthread");
 		return;
 	}
@@ -438,7 +437,6 @@ static void linker_setup_linux(const char ***args_ref, LinkerType linker_type)
 	add_arg("-L/usr/lib/");
 	add_arg("-L/lib/");
 	add_arg("-m");
-	add_arg("-ldl");
 	add_arg(ld_target(platform_target.arch));
 }
 

src/compiler/llvm_codegen_module.c

@@ -169,7 +169,7 @@ void gencontext_begin_module(GenContext *c)
 			LLVMStructSetBody(c->debug.stack_type, types, 5, false);
 			c->debug.current_stack_ptr = NULL;
 			c->debug.enable_stacktrace = true;
-			c->debug.emulated_stacktrace = !os_supports_stacktrace(platform_target.os);
+			c->debug.emulated_stacktrace = !os_is_apple(platform_target.os);
 		}
 	}
 	c->global_builder = LLVMCreateBuilder();

src/compiler/target.c

@@ -32,10 +32,6 @@ int target_alloca_addr_space()
 	return platform_target.alloca_address_space;
 }
 
-bool os_supports_stacktrace(OsType os_type)
-{
-	return os_type == OS_TYPE_LINUX || os_is_apple(os_type);
-}
 bool os_is_apple(OsType os_type)
 {
 	return os_type == OS_TYPE_TVOS || os_type == OS_TYPE_WATCHOS ||