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module info block

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This commit is contained in:
David Gonzalez Martin 2024-05-14 00:25:08 -06:00
parent d366a911a1
commit 95c3570871
1 changed files with 37 additions and 9 deletions
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46
bootstrap/compiler.zig
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@ -3643,6 +3643,8 @@ const Bitcode = struct {
if (attribute_groups.len > 0) {
writer.enter_subblock(.parameter_attribute, 3);
const start = writer.buffer.length * 4;
var records = std.BoundedArray(u64, 4096){};
for (attribute_lists) |attribute_list| {
for (attribute_list.attribute_groups) |attribute_group_index| {
@ -3657,16 +3659,24 @@ const Bitcode = struct {
}
writer.exit_block();
const end = writer.buffer.length * 4;
const expected = debug_main_bitcode[start..end];
const have = writer.get_byte_slice()[start..end];
std.debug.print("Start: {}\n", .{start});
std.testing.expectEqualSlices(u8, expected, have) catch unreachable;
}
}
fn write_module_info(writer: *Writer) void {
const target_triple = "x86_64-pc-linux-gnu";
const start = writer.buffer.length * 4;
_ = start; // autofix
const target_triple = "x86_64-unknown-linux-gnu";
writer.write_string_record(@intFromEnum(ModuleCode.triple), target_triple,
// TODO in LLVM code
0);
const data_layout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128";
const data_layout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128";
writer.write_string_record(@intFromEnum(ModuleCode.data_layout), data_layout,
// TODO in LLVM code
0);
@ -3684,7 +3694,7 @@ const Bitcode = struct {
var values = std.BoundedArray(u32, 64){};
{
const source_filename = "llvm-link";
const source_filename = "main.c";
const source_string_encoding = get_string_encoding(source_filename);
const abbreviation = writer.abbreviation_buffer.append(.{});
abbreviation.add_literal(@intFromEnum(ModuleCode.source_filename));
@ -3707,7 +3717,11 @@ const Bitcode = struct {
// TODO: global variables
for (dummy_functions) |function| {
std.debug.print("====\nFUNCTION START\n====\n", .{});
defer std.debug.print("====\nFUNCTION END\n====\n", .{});
// const loop_start = writer.buffer.length * 4;
const offset = writer.strtab_content.length;
std.debug.print("Offset: {}\n", .{offset});
writer.strtab_content.append_slice(function.name);
values.appendAssumeCapacity(offset);
values.appendAssumeCapacity(@intCast(function.name.len));
@ -3721,7 +3735,7 @@ const Bitcode = struct {
values.appendAssumeCapacity(@intFromEnum(function.visibility));
values.appendAssumeCapacity(@intFromBool(function.gc));
values.appendAssumeCapacity(@intFromEnum(function.unnamed_address));
// TODO:
values.appendAssumeCapacity(@intFromEnum(function.dll_storage_class));
values.appendAssumeCapacity(function.prologued_data);
values.appendAssumeCapacity(function.comdat);
values.appendAssumeCapacity(function.prefix_data);
@ -3731,8 +3745,15 @@ const Bitcode = struct {
values.appendAssumeCapacity(function.partition_offset);
values.appendAssumeCapacity(function.partition_len);
assert(writer.current_codesize != 8);
writer.emit_record(@TypeOf(values.constSlice()[0]), @intFromEnum(ModuleCode.function), values.constSlice(), 0);
values.resize(0) catch unreachable;
// const loop_end = writer.buffer.length * 4;
// const expected = debug_main_bitcode[loop_start..loop_end];
// const have = writer.get_byte_slice()[loop_start..loop_end];
// std.debug.print("Start: {}\n", .{loop_start});
// std.testing.expectEqualSlices(u8, expected, have) catch unreachable;
}
// TODO: global aliases
@ -3740,6 +3761,12 @@ const Bitcode = struct {
// TODO: global ifunc
writer.write_value_symbol_table_forward_declaration();
//
// const end = writer.buffer.length * 4;
// const expected = debug_main_bitcode[start..end];
// const have = writer.get_byte_slice()[start..end];
// std.debug.print("Start: {}\n", .{start});
// std.testing.expectEqualSlices(u8, expected, have) catch unreachable;
}
const DummyFunction = struct{
@ -3772,7 +3799,7 @@ const Bitcode = struct {
.calling_convention = .C,
.is_declaration = false,
.linkage = .external,
.attribute_list_id = 0,
.attribute_list_id = 1,
.alignment = 0,
.section = 0,
.visibility = .default,
@ -3784,7 +3811,7 @@ const Bitcode = struct {
.personality = 0,
.dso_local = true,
.address_space = 0,
.partition_offset = 0,
.partition_offset = 4,
.partition_len = 0,
},
.{
@ -3793,7 +3820,7 @@ const Bitcode = struct {
.calling_convention = .C,
.is_declaration = true,
.linkage = .external,
.attribute_list_id = 1,
.attribute_list_id = 2,
.alignment = 0,
.section = 0,
.visibility = .default,
@ -3805,7 +3832,7 @@ const Bitcode = struct {
.personality = 0,
.dso_local = false,
.address_space = 0,
.partition_offset = 0,
.partition_offset = 4,
.partition_len = 0,
},
};
@ -3900,7 +3927,7 @@ const Bitcode = struct {
fn write_raw(writer: *Writer, value: u32) void {
std.debug.print("[{}-{}] Flushing buffer 0x{x}\n", .{writer.buffer.length, writer.buffer.length * 4, value});
// if (writer.buffer.length == (220) / 4 - 1) @breakpoint();
// if (writer.buffer.length == (712) / 4 - 1) @breakpoint();
// if (writer.buffer.length == (152 + 32) / 4) @breakpoint();
_ = writer.buffer.append(value);
}
@ -4025,6 +4052,7 @@ const Bitcode = struct {
writer.buffer.slice()[last.start_size_index] = size32;
std.debug.print("\n\n\n[EXIT BLOCK] Current code size: {}. Previous code size: {}. Swapping...\n\n\n", .{writer.current_codesize, last.previous_code_size});
writer.current_codesize = last.previous_code_size;
writer.current_abbreviations = last.previous_abbreviations;
writer.block_scope.length -= 1;