Commit ae1b2bfcad
Changed files (2)
src
src/link/Dwarf.zig
@@ -187,17 +187,16 @@ pub const DeclState = struct {
// DW.AT.name, DW.FORM.string
try dbg_info_buffer.writer().print("{}\x00", .{ty.fmt(mod)});
// DW.AT.member
- try dbg_info_buffer.ensureUnusedCapacity(7);
+ try dbg_info_buffer.ensureUnusedCapacity(21);
dbg_info_buffer.appendAssumeCapacity(@intFromEnum(AbbrevCode.struct_member));
// DW.AT.name, DW.FORM.string
dbg_info_buffer.appendSliceAssumeCapacity("maybe");
dbg_info_buffer.appendAssumeCapacity(0);
// DW.AT.type, DW.FORM.ref4
var index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, 4);
try self.addTypeRelocGlobal(atom_index, Type.bool, @intCast(index));
// DW.AT.data_member_location, DW.FORM.udata
- try dbg_info_buffer.ensureUnusedCapacity(6);
dbg_info_buffer.appendAssumeCapacity(0);
// DW.AT.member
dbg_info_buffer.appendAssumeCapacity(@intFromEnum(AbbrevCode.struct_member));
@@ -206,7 +205,7 @@ pub const DeclState = struct {
dbg_info_buffer.appendAssumeCapacity(0);
// DW.AT.type, DW.FORM.ref4
index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, 4);
try self.addTypeRelocGlobal(atom_index, payload_ty, @intCast(index));
// DW.AT.data_member_location, DW.FORM.udata
const offset = abi_size - payload_ty.abiSize(mod);
@@ -228,18 +227,17 @@ pub const DeclState = struct {
// DW.AT.name, DW.FORM.string
try dbg_info_buffer.writer().print("{}\x00", .{ty.fmt(mod)});
// DW.AT.member
- try dbg_info_buffer.ensureUnusedCapacity(5);
+ try dbg_info_buffer.ensureUnusedCapacity(21);
dbg_info_buffer.appendAssumeCapacity(@intFromEnum(AbbrevCode.struct_member));
// DW.AT.name, DW.FORM.string
dbg_info_buffer.appendSliceAssumeCapacity("ptr");
dbg_info_buffer.appendAssumeCapacity(0);
// DW.AT.type, DW.FORM.ref4
var index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, 4);
const ptr_ty = ty.slicePtrFieldType(mod);
try self.addTypeRelocGlobal(atom_index, ptr_ty, @intCast(index));
// DW.AT.data_member_location, DW.FORM.udata
- try dbg_info_buffer.ensureUnusedCapacity(6);
dbg_info_buffer.appendAssumeCapacity(0);
// DW.AT.member
dbg_info_buffer.appendAssumeCapacity(@intFromEnum(AbbrevCode.struct_member));
@@ -248,19 +246,18 @@ pub const DeclState = struct {
dbg_info_buffer.appendAssumeCapacity(0);
// DW.AT.type, DW.FORM.ref4
index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, 4);
try self.addTypeRelocGlobal(atom_index, Type.usize, @intCast(index));
// DW.AT.data_member_location, DW.FORM.udata
- try dbg_info_buffer.ensureUnusedCapacity(2);
dbg_info_buffer.appendAssumeCapacity(ptr_bytes);
// DW.AT.structure_type delimit children
dbg_info_buffer.appendAssumeCapacity(0);
} else {
- try dbg_info_buffer.ensureUnusedCapacity(5);
+ try dbg_info_buffer.ensureUnusedCapacity(9);
dbg_info_buffer.appendAssumeCapacity(@intFromEnum(AbbrevCode.ptr_type));
// DW.AT.type, DW.FORM.ref4
const index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, 4);
try self.addTypeRelocGlobal(atom_index, ty.childType(mod), @intCast(index));
}
},
@@ -271,13 +268,14 @@ pub const DeclState = struct {
try dbg_info_buffer.writer().print("{}\x00", .{ty.fmt(mod)});
// DW.AT.type, DW.FORM.ref4
var index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ try dbg_info_buffer.ensureUnusedCapacity(9);
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, 4);
try self.addTypeRelocGlobal(atom_index, ty.childType(mod), @intCast(index));
// DW.AT.subrange_type
- try dbg_info_buffer.append(@intFromEnum(AbbrevCode.array_dim));
+ dbg_info_buffer.appendAssumeCapacity(@intFromEnum(AbbrevCode.array_dim));
// DW.AT.type, DW.FORM.ref4
index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, 4);
try self.addTypeRelocGlobal(atom_index, Type.usize, @intCast(index));
// DW.AT.count, DW.FORM.udata
const len = ty.arrayLenIncludingSentinel(mod);
@@ -304,7 +302,7 @@ pub const DeclState = struct {
try dbg_info_buffer.writer().print("{d}\x00", .{field_index});
// DW.AT.type, DW.FORM.ref4
const index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ try dbg_info_buffer.appendNTimes(0, 4);
try self.addTypeRelocGlobal(atom_index, Type.fromInterned(field_ty), @intCast(index));
// DW.AT.data_member_location, DW.FORM.udata
const field_off = ty.structFieldOffset(field_index, mod);
@@ -331,7 +329,7 @@ pub const DeclState = struct {
try dbg_info_buffer.writer().print("{d}\x00", .{field_index});
// DW.AT.type, DW.FORM.ref4
const index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ try dbg_info_buffer.appendNTimes(0, 4);
try self.addTypeRelocGlobal(atom_index, Type.fromInterned(field_ty), @intCast(index));
// DW.AT.data_member_location, DW.FORM.udata
try leb128.writeULEB128(dbg_info_buffer.writer(), field_off);
@@ -352,7 +350,7 @@ pub const DeclState = struct {
dbg_info_buffer.appendAssumeCapacity(0);
// DW.AT.type, DW.FORM.ref4
const index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ try dbg_info_buffer.appendNTimes(0, 4);
try self.addTypeRelocGlobal(atom_index, Type.fromInterned(field_ty), @intCast(index));
// DW.AT.data_member_location, DW.FORM.udata
try leb128.writeULEB128(dbg_info_buffer.writer(), field_off);
@@ -418,14 +416,14 @@ pub const DeclState = struct {
try dbg_info_buffer.append(0);
// DW.AT.member
- try dbg_info_buffer.ensureUnusedCapacity(9);
+ try dbg_info_buffer.ensureUnusedCapacity(13);
dbg_info_buffer.appendAssumeCapacity(@intFromEnum(AbbrevCode.struct_member));
// DW.AT.name, DW.FORM.string
dbg_info_buffer.appendSliceAssumeCapacity("payload");
dbg_info_buffer.appendAssumeCapacity(0);
// DW.AT.type, DW.FORM.ref4
const inner_union_index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, 4);
try self.addTypeRelocLocal(atom_index, @intCast(inner_union_index), 5);
// DW.AT.data_member_location, DW.FORM.udata
try leb128.writeULEB128(dbg_info_buffer.writer(), payload_offset);
@@ -452,7 +450,7 @@ pub const DeclState = struct {
try dbg_info_buffer.append(0);
// DW.AT.type, DW.FORM.ref4
const index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ try dbg_info_buffer.appendNTimes(0, 4);
try self.addTypeRelocGlobal(atom_index, Type.fromInterned(field_ty), @intCast(index));
// DW.AT.data_member_location, DW.FORM.udata
try dbg_info_buffer.append(0);
@@ -462,14 +460,14 @@ pub const DeclState = struct {
if (is_tagged) {
// DW.AT.member
- try dbg_info_buffer.ensureUnusedCapacity(5);
+ try dbg_info_buffer.ensureUnusedCapacity(9);
dbg_info_buffer.appendAssumeCapacity(@intFromEnum(AbbrevCode.struct_member));
// DW.AT.name, DW.FORM.string
dbg_info_buffer.appendSliceAssumeCapacity("tag");
dbg_info_buffer.appendAssumeCapacity(0);
// DW.AT.type, DW.FORM.ref4
const index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, 4);
try self.addTypeRelocGlobal(atom_index, Type.fromInterned(union_obj.enum_tag_ty), @intCast(index));
// DW.AT.data_member_location, DW.FORM.udata
try leb128.writeULEB128(dbg_info_buffer.writer(), tag_offset);
@@ -498,14 +496,14 @@ pub const DeclState = struct {
if (!payload_ty.isNoReturn(mod)) {
// DW.AT.member
- try dbg_info_buffer.ensureUnusedCapacity(7);
+ try dbg_info_buffer.ensureUnusedCapacity(11);
dbg_info_buffer.appendAssumeCapacity(@intFromEnum(AbbrevCode.struct_member));
// DW.AT.name, DW.FORM.string
dbg_info_buffer.appendSliceAssumeCapacity("value");
dbg_info_buffer.appendAssumeCapacity(0);
// DW.AT.type, DW.FORM.ref4
const index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, 4);
try self.addTypeRelocGlobal(atom_index, payload_ty, @intCast(index));
// DW.AT.data_member_location, DW.FORM.udata
try leb128.writeULEB128(dbg_info_buffer.writer(), payload_off);
@@ -513,14 +511,14 @@ pub const DeclState = struct {
{
// DW.AT.member
- try dbg_info_buffer.ensureUnusedCapacity(5);
+ try dbg_info_buffer.ensureUnusedCapacity(9);
dbg_info_buffer.appendAssumeCapacity(@intFromEnum(AbbrevCode.struct_member));
// DW.AT.name, DW.FORM.string
dbg_info_buffer.appendSliceAssumeCapacity("err");
dbg_info_buffer.appendAssumeCapacity(0);
// DW.AT.type, DW.FORM.ref4
const index = dbg_info_buffer.items.len;
- try dbg_info_buffer.writer().writeByteNTimes(0, 4);
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, 4);
try self.addTypeRelocGlobal(atom_index, error_ty, @intCast(index));
// DW.AT.data_member_location, DW.FORM.udata
try leb128.writeULEB128(dbg_info_buffer.writer(), error_off);
@@ -661,7 +659,7 @@ pub const DeclState = struct {
try dbg_info.ensureUnusedCapacity(5 + name_with_null.len);
const index = dbg_info.items.len;
- try dbg_info.writer().writeByteNTimes(0, 4);
+ dbg_info.appendNTimesAssumeCapacity(0, 4);
try self.addTypeRelocGlobal(atom_index, ty, @intCast(index)); // DW.AT.type, DW.FORM.ref4
dbg_info.appendSliceAssumeCapacity(name_with_null); // DW.AT.name, DW.FORM.string
}
@@ -877,7 +875,7 @@ pub const DeclState = struct {
try dbg_info.ensureUnusedCapacity(5 + name_with_null.len);
const index = dbg_info.items.len;
- try dbg_info.writer().writeByteNTimes(0, 4); // dw.at.type, dw.form.ref4
+ dbg_info.appendNTimesAssumeCapacity(0, 4); // dw.at.type, dw.form.ref4
try self.addTypeRelocGlobal(atom_index, child_ty, @intCast(index));
dbg_info.appendSliceAssumeCapacity(name_with_null); // DW.AT.name, DW.FORM.string
}
@@ -1133,7 +1131,7 @@ pub fn initDeclState(self: *Dwarf, mod: *Module, decl_index: InternPool.DeclInde
});
// This is the "relocatable" vaddr, corresponding to `code_buffer` index `0`.
assert(dbg_line_vaddr_reloc_index == dbg_line_buffer.items.len);
- dbg_line_buffer.writer().writeByteNTimes(0, ptr_width_bytes) catch unreachable;
+ dbg_line_buffer.appendNTimesAssumeCapacity(0, ptr_width_bytes);
dbg_line_buffer.appendAssumeCapacity(DW.LNS.advance_line);
// This is the "relocatable" relative line offset from the previous function's end curly
@@ -1171,12 +1169,12 @@ pub fn initDeclState(self: *Dwarf, mod: *Module, decl_index: InternPool.DeclInde
// "relocations" and have to be in this fixed place so that functions can be
// moved in virtual address space.
assert(dbg_info_low_pc_reloc_index == dbg_info_buffer.items.len);
- dbg_info_buffer.writer().writeByteNTimes(0, ptr_width_bytes) catch unreachable; // DW.AT.low_pc, DW.FORM.addr
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, ptr_width_bytes); // DW.AT.low_pc, DW.FORM.addr
assert(self.getRelocDbgInfoSubprogramHighPC() == dbg_info_buffer.items.len);
- dbg_info_buffer.writer().writeByteNTimes(0, 4) catch unreachable; // DW.AT.high_pc, DW.FORM.data4
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, 4); // DW.AT.high_pc, DW.FORM.data4
if (fn_ret_has_bits) {
try decl_state.addTypeRelocGlobal(di_atom_index, fn_ret_type, @intCast(dbg_info_buffer.items.len));
- dbg_info_buffer.writer().writeByteNTimes(0, 4) catch unreachable; // DW.AT.type, DW.FORM.ref4
+ dbg_info_buffer.appendNTimesAssumeCapacity(0, 4); // DW.AT.type, DW.FORM.ref4
}
dbg_info_buffer.appendSliceAssumeCapacity(
decl_name_slice[0 .. decl_name_slice.len + 1],
src/codegen.zig
@@ -517,7 +517,7 @@ pub fn generateSymbol(
const abi_size = math.cast(usize, typed_value.ty.abiSize(mod)) orelse
return error.Overflow;
const current_pos = code.items.len;
- try code.writer().writeByteNTimes(0, abi_size);
+ try code.appendNTimes(0, abi_size);
var bits: u16 = 0;
for (struct_type.field_types.get(ip), 0..) |field_ty, index| {