motiejus/zig
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make the std lib support event-based I/O

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also add -fstack-report
This commit is contained in:
Andrew Kelley
2019-09-10 00:25:37 -04:00
parent a29ce78651
commit 0489d06c24
14 changed files with 392 additions and 307 deletions
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43
std/debug.zig
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@@ -330,14 +330,16 @@ pub fn writeCurrentStackTraceWindows(
}
}
/// TODO once https://github.com/ziglang/zig/issues/3157 is fully implemented,
/// make this `noasync fn` and remove the individual noasync calls.
pub fn printSourceAtAddress(debug_info: *DebugInfo, out_stream: var, address: usize, tty_color: bool) !void {
if (windows.is_the_target) {
return printSourceAtAddressWindows(debug_info, out_stream, address, tty_color);
return noasync printSourceAtAddressWindows(debug_info, out_stream, address, tty_color);
}
if (os.darwin.is_the_target) {
return printSourceAtAddressMacOs(debug_info, out_stream, address, tty_color);
return noasync printSourceAtAddressMacOs(debug_info, out_stream, address, tty_color);
}
return printSourceAtAddressPosix(debug_info, out_stream, address, tty_color);
return noasync printSourceAtAddressPosix(debug_info, out_stream, address, tty_color);
}
fn printSourceAtAddressWindows(di: *DebugInfo, out_stream: var, relocated_address: usize, tty_color: bool) !void {
@@ -793,7 +795,7 @@ fn printLineInfo(
try out_stream.write(GREEN ++ "^" ++ RESET ++ "\n");
}
} else |err| switch (err) {
error.EndOfFile, error.FileNotFound => {},
error.EndOfFile, error.FileNotFound => {},
else => return err,
}
} else {
@@ -816,16 +818,18 @@ pub const OpenSelfDebugInfoError = error{
UnsupportedOperatingSystem,
};
/// TODO once https://github.com/ziglang/zig/issues/3157 is fully implemented,
/// make this `noasync fn` and remove the individual noasync calls.
pub fn openSelfDebugInfo(allocator: *mem.Allocator) !DebugInfo {
if (builtin.strip_debug_info)
return error.MissingDebugInfo;
if (windows.is_the_target) {
return openSelfDebugInfoWindows(allocator);
return noasync openSelfDebugInfoWindows(allocator);
}
if (os.darwin.is_the_target) {
return openSelfDebugInfoMacOs(allocator);
return noasync openSelfDebugInfoMacOs(allocator);
}
return openSelfDebugInfoPosix(allocator);
return noasync openSelfDebugInfoPosix(allocator);
}
fn openSelfDebugInfoWindows(allocator: *mem.Allocator) !DebugInfo {
@@ -1508,15 +1512,25 @@ fn parseFormValueBlock(allocator: *mem.Allocator, in_stream: var, size: usize) !
}
fn parseFormValueConstant(allocator: *mem.Allocator, in_stream: var, signed: bool, comptime size: i32) !FormValue {
// TODO: Please forgive me, I've worked around zig not properly spilling some intermediate values here.
// `noasync` should be removed from all the function calls once it is fixed.
return FormValue{
.Const = Constant{
.signed = signed,
.payload = switch (size) {
1 => try in_stream.readIntLittle(u8),
2 => try in_stream.readIntLittle(u16),
4 => try in_stream.readIntLittle(u32),
8 => try in_stream.readIntLittle(u64),
-1 => if (signed) @bitCast(u64, try leb.readILEB128(i64, in_stream)) else try leb.readULEB128(u64, in_stream),
1 => try noasync in_stream.readIntLittle(u8),
2 => try noasync in_stream.readIntLittle(u16),
4 => try noasync in_stream.readIntLittle(u32),
8 => try noasync in_stream.readIntLittle(u64),
-1 => blk: {
if (signed) {
const x = try noasync leb.readILEB128(i64, in_stream);
break :blk @bitCast(u64, x);
} else {
const x = try noasync leb.readULEB128(u64, in_stream);
break :blk x;
}
},
else => @compileError("Invalid size"),
},
},
@@ -1584,7 +1598,10 @@ fn parseFormValue(allocator: *mem.Allocator, in_stream: var, form_id: u64, is_64
DW.FORM_strp => FormValue{ .StrPtr = try parseFormValueDwarfOffsetSize(in_stream, is_64) },
DW.FORM_indirect => {
const child_form_id = try leb.readULEB128(u64, in_stream);
return parseFormValue(allocator, in_stream, child_form_id, is_64);
const F = @typeOf(async parseFormValue(allocator, in_stream, child_form_id, is_64));
var frame = try allocator.create(F);
defer allocator.destroy(frame);
return await @asyncCall(frame, {}, parseFormValue, allocator, in_stream, child_form_id, is_64);
},
else => error.InvalidDebugInfo,
};