feat(ir2mcode): 添加中间代码到统一输出格式转换模块
- 在.gitignore中添加*.pdb和*.dmp文件类型以忽略调试符号文件 - 重构libs/README.md文档，为各组件添加详细的功能说明和层级结构 - 创建ir2mcode模块的cbuild.toml配置文件，定义依赖关系 - 实现scc_ir2sccf功能，提供MIR到SCCF格式转换的核心接口 - 添加必要的头文件声明和基础实现框架
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# lexer
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lexer 词法分析
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> (Lexical Analysis) 词法分析
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pproc 预处理器
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# pproc
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parser 语法分析 sema 语义分析
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> (Preprocessor) 预处理器
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ast 抽象语法树
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# parser
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ir 中间代码标识
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> (Syntax analysis) 语法分析
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- ast2ir
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## sema
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- ir2mcode
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> (Semantic Analysis) 语义分析
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opt 优化器
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# ast
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asm 汇编器
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> (Abstract Syntax Tree) 抽象语法树
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mcode 机器码
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# ast2ir
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sccf 统一输出格式
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> 抽象语法树到中间代码
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target 目标平台支持
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# ir
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- pe
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> (Intermediate Representation) 中间代码标识
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## cfg
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> (Control Flow Graph) 控制流图
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## hir
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> (High-Level Intermediate Representation) 高级中间代码标识
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## lir
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> (Low-Level Intermediate Representation) 低级中间代码标识
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## mir
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> (Machine Intermediate Representation) 机器中间代码标识
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# ir2mcode
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> 中间代码到机器码
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<!-- asm 汇编器 -->
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# mcode
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> (Machine Code) 机器码
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# sccf
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> 统一输出格式
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# target
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> 目标平台支持
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## Windows Portable Executable Format
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[Windows Portable Executable Format](https://learn.microsoft.com/en-us/windows/win32/debug/pe-format#archive-library-file-format)
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[中文文档](https://learn.microsoft.com/zh-cn/windows/win32/debug/pe-format#archive-library-file-format)
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14
libs/ir2mcode/cbuild.toml
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14
libs/ir2mcode/cbuild.toml
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[package]
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name = "ir2mcode"
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version = "0.1.0"
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authors = []
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description = ""
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dependencies = [
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{ name = "scc_utils", path = "../../runtime/scc_utils" },
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{ name = "scc_mir", path = "../ir/mir" },
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{ name = "scc_mcode", path = "../mcode" },
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{ name = "sccf", path = "../sccf" },
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]
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# features = {}
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# default_features = []
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4
libs/ir2mcode/include/scc_ir2mcode.h
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4
libs/ir2mcode/include/scc_ir2mcode.h
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#ifndef __SCC_IR2MCODE_H__
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#define __SCC_IR2MCODE_H__
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#endif /* __SCC_IR2MCODE_H__ */
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9
libs/ir2mcode/include/scc_ir2sccf.h
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9
libs/ir2mcode/include/scc_ir2sccf.h
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#ifndef __SCC_IR2SCCF_H__
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#define __SCC_IR2SCCF_H__
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#include <scc_mir_module.h>
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#include <sccf_builder.h>
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void scc_mir2sccf(sccf_builder_t *builder, scc_mir_module_t *mir_module);
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#endif /* __SCC_IR2SCCF_H__ */
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105
libs/ir2mcode/src/scc_ir2sccf.c
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105
libs/ir2mcode/src/scc_ir2sccf.c
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#include <scc_ir2sccf.h>
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static inline void scc_ir_sym_to_sccf_sym(const scc_cfg_symbol_t *symbol,
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sccf_sym_t *sym) {
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switch (symbol->kind) {
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case SCC_CFG_SYMBOL_KIND_DATA:
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sym->sccf_sym_type = SCCF_SYM_TYPE_DATA;
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break;
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case SCC_CFG_SYMBOL_KIND_FUNC:
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sym->sccf_sym_type = SCCF_SYM_TYPE_FUNC;
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break;
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case SCC_CFG_SYMBOL_KIND_EXTERN:
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sym->sccf_sym_type = SCCF_SYM_TYPE_EXTERN;
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break;
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}
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switch (symbol->linkage) {
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case SCC_CFG_SYMBOL_LINK_GLOABL:
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sym->sccf_sym_bind = SCCF_SYM_BIND_GLOBAL;
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break;
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case SCC_CFG_SYMBOL_LINK_LOCAL:
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sym->sccf_sym_bind = SCCF_SYM_BIND_LOCAL;
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break;
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default:
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break;
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}
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}
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static inline void scc_ir_symbol_to_sect_data(const scc_cfg_symbol_t *symbol,
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sccf_sect_data_t *sect_data) {
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// scc_vec_foreach(value->data.const_array.fields, j) {
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// scc_vec_push(ctx->sect_data,
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// scc_vec_at(value->data.const_array.fields, j));
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// }
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}
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void scc_mir2sccf(sccf_builder_t *builder, scc_mir_module_t *mir_module) {
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// mir_module->symbol_metas
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// mir_module->cfg_module.funcs
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sccf_builder_init(builder);
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sccf_sect_data_t sect_data;
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scc_vec_init(sect_data);
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scc_vec_foreach(mir_module->cfg_module.symbols, i) {
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scc_cfg_symbol_t *symbol =
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&scc_vec_at(mir_module->cfg_module.symbols, i);
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sccf_sym_t sym = (sccf_sym_t){
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.sccf_sect_offset = scc_vec_size(sect_data),
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.sccf_sym_size =
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4, // FIXME on windows using rel32, on linux using ?
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};
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scc_ir_sym_to_sccf_sym(symbol, &sym);
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scc_ir_symbol_to_sect_data(symbol, §_data);
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usize sym_idx = sccf_builder_add_symbol(builder, symbol->name, &sym);
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Assert(sym_idx != 0);
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}
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// scc_vec_foreach(ctx->cprog->func_defs, i) {
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// scc_ir_value_ref_t func_ref = scc_vec_at(ctx->cprog->func_defs, i);
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// scc_ir_func_t *func = scc_ir_module_get_func(GET_MODULE(ctx),
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// func_ref); if (!func) {
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// LOG_ERROR("invalid function reference");
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// return;
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// }
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// sccf_sym_t *sym =
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// sccf_builder_get_symbol_unsafe(ctx->builder, func->name);
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// Assert(sym != nullptr);
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// sym->sccf_sect_offset = scc_vec_size(ctx->sect_mcode.mcode);
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// parse_function(ctx, func);
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// }
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// u8 *buf = scc_vec_unsafe_get_data(ctx->sect_mcode.mcode);
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// scc_vec_foreach(ctx->builder->relocs, i) {
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// sccf_reloc_t *reloc = &scc_vec_at(ctx->builder->relocs, i);
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// if (reloc->sym_idx == 0) {
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// Panic("relocate to an invalid symbol");
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// }
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// sccf_sym_t *sym = &scc_vec_at(ctx->builder->symtab, reloc->sym_idx);
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// if (sym->sccf_sym_type != SCCF_SYM_TYPE_EXTERN) {
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// Assert(reloc->reloc_type == SCCF_RELOC_TYPE_REL);
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// if (sym->sccf_sect_type == SCCF_SECT_CODE &&
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// sym->sccf_sym_type == SCCF_SYM_TYPE_FUNC) {
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// i64 target_off = sym->sccf_sect_offset;
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// i64 next_off = reloc->offset + reloc->addend;
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// i32 rel = (i32)(target_off - next_off);
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// // FIXME 写入到指令的偏移字段（小端）
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// *(i32 *)(&buf[reloc->offset]) = rel;
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// reloc->reloc_type = SCCF_RELOC_TYPE_EMPTY;
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// }
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// }
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// }
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// sccf_sect_data_t text_section;
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// scc_vec_unsafe_from_buffer(text_section,
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// scc_vec_unsafe_get_data(ctx->sect_mcode.mcode),
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// scc_vec_size(ctx->sect_mcode.mcode));
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// sccf_builder_add_text_section(ctx->builder, &text_section);
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sccf_builder_add_data_section(builder, §_data);
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}
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2
libs/ir2mcode/tests/test_run.c
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2
libs/ir2mcode/tests/test_run.c
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int main(void) { return 0; }
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