Commit 2193f7c4a2b56f67bf07d27c3f715cf3969c392f | zig

author	Luuk de Gram <luuk@degram.dev> 2022-04-18 13:11:37+02:00
committer	Luuk de Gram <luuk@degram.dev> 2022-04-18 13:11:37+02:00
log	2193f7c4a2b56f67bf07d27c3f715cf3969c392f
tree	94ccfd7887dc5ac6d5d213eb34c4f6553b2b9938
parent	f8d2b87fa122a948e2c8e1056e2ec4cfd4cf01bf
signature	Commit is signed but in an unrecognized format.

This implements basic DWARF output when building for the wasm target.
Stacktraces, however, are currently not supported.

4 files changed, 10 insertions(+), 2 deletions(-)

lib/std/debug.zig+4

...	...	@@ -114,6 +114,10 @@ pub fn detectTTYConfig() TTY.Config {
114	114	pub fn dumpCurrentStackTrace(start_addr: ?usize) void {
115	115	nosuspend {
116	116	const stderr = io.getStdErr().writer();
	117	if (comptime builtin.target.isWasm()) {
	118	stderr.print("Unable to dump stack trace: not implemented for Wasm\n", .{}) catch return;
	119	return;
	120	}
117	121	if (builtin.strip_debug_info) {
118	122	stderr.print("Unable to dump stack trace: debug info stripped\n", .{}) catch return;
119	123	return;

src/stage1/codegen.cpp+3

...	...	@@ -2645,6 +2645,9 @@ static LLVMValueRef ir_render_save_err_ret_addr(CodeGen g, Stage1Air executabl
2645	2645	Stage1AirInstSaveErrRetAddr *save_err_ret_addr_instruction)
2646	2646	{
2647	2647	assert(g->have_err_ret_tracing);
	2648	if ((target_is_wasm(g->zig_target) && g->zig_target->os != OsEmscripten) \|\| target_is_bpf(g->zig_target)) {
	2649	return nullptr;
	2650	}
2648	2651
2649	2652	LLVMValueRef return_err_fn = get_return_err_fn(g);
2650	2653	bool is_llvm_alloca;

src/stage1/target.cpp+1-1

...	...	@@ -1000,7 +1000,7 @@ ZigLLVM_EnvironmentType target_default_abi(ZigLLVM_ArchType arch, Os os) {
1000	1000	}
1001	1001
1002	1002	bool target_has_debug_info(const ZigTarget *target) {
1003		return !target_is_wasm(target);
	1003	return true;
1004	1004	}
1005	1005
1006	1006	bool target_long_double_is_f128(const ZigTarget *target) {

src/target.zig+2-1

...	...	@@ -455,7 +455,8 @@ pub fn classifyCompilerRtLibName(target: std.Target, name: []const u8) CompilerR
455	455	}
456	456
457	457	pub fn hasDebugInfo(target: std.Target) bool {
458		return !target.cpu.arch.isWasm();
	458	_ = target;
	459	return true;
459	460	}
460	461
461	462	pub fn defaultCompilerRtOptimizeMode(target: std.Target) std.builtin.Mode {