From b18fd6014cd5719b31d469d04c81908edad4d100 Mon Sep 17 00:00:00 2001 From: chentianya Date: Fri, 21 Aug 2026 13:49:06 +0800 Subject: [PATCH] =?UTF-8?q?STCompiler=20=E5=8A=A0=20--disasm=EF=BC=9A?= =?UTF-8?q?=E5=8F=8D=E6=B1=87=E7=BC=96=E5=B7=B2=E7=BC=96=E8=AF=91=E7=9A=84?= =?UTF-8?q?=20.stb=E3=80=82?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - STCompiler .stb --disasm：读映像 → 校验 → 打印段摘要 + 函数表逐条反汇编（文件绝对偏移）+ 常量表 + 数据段 hex - 映像无符号表，按 fn_id/槽号显示；损坏/缺失文件报错退出码 1 - 验证：line1.stb 完整反汇编（17 条 MAIN 指令）与损坏文件拒绝 --- compiler/src/main.cpp | 70 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) diff --git a/compiler/src/main.cpp b/compiler/src/main.cpp index e7bccc1..30d0a8f 100644 --- a/compiler/src/main.cpp +++ b/compiler/src/main.cpp @@ -14,16 +14,79 @@ #include "compiler/Linker.h" #include "compiler/Project.h" #include "compiler/Typecheck.h" +#include "isa/Encode.h" #include "isa/Image.h" namespace { void usage() { std::printf("usage: STCompiler [-o .stb]\n" + " STCompiler .stb --disasm\n" " 解析工程并编译（词法 → 语法 → 链接 → 类型 → 寄存器码）\n" " -o .stb 编译并写出映像文件\n" " 无 -o 只打印文件集合与工程哈希（12.3 阶段）\n" + " --disasm 反汇编一个已编译的 .stb 映像\n" " --help 打印本帮助\n"); } + + // 反汇编一个已编译映像（函数表逐条 + 常量表 + 数据段摘要）。 + // 映像无符号表，按 fn_id / 槽号显示；指令偏移为文件绝对字节偏移。 + int dump_image(const char* path) { + std::vector bytes; + std::string err; + if (!isa::read_stb_file(path, &bytes, &err)) { + std::fprintf(stderr, "error: %s\n", err.c_str()); + return 1; + } + const isa::ImageView v = isa::ImageView::from(bytes); + if (!v.ok()) { + std::fprintf(stderr, "error: %s\n", v.error().c_str()); + return 1; + } + const isa::ImageHeader& h = v.header(); + std::printf("image: %s (%zu bytes, %u functions, %u globals, entry fn %u)\n", + path, bytes.size(), h.n_funcs, h.n_globals, h.entry_fn_id); + std::printf(" dt_ms=%u cycle_limit=%u hash=0x%016llx\n", h.dt_ms, + h.cycle_limit, static_cast(h.project_hash)); + + if (h.n_consts) { + std::printf("constants:\n"); + for (uint32_t i = 0; i < h.n_consts; ++i) { + const isa::ConstEntry c = v.const_entry(i); + const char* tag = c.tag == isa::types::Bool ? "BOOL" + : c.tag == isa::types::Int ? "INT" + : "TIME"; + std::printf(" [%u] %s %llu\n", i, tag, + static_cast(c.value)); + } + } + + std::printf("functions:\n"); + for (uint32_t i = 0; i < h.n_funcs; ++i) { + const isa::FuncRow r = v.func_row(i); + std::printf(" fn %u: nregs=%u, offset=%u, len=%u\n", i, r.nregs, + r.code_offset, r.code_len); + const uint8_t* base = v.code_bytes() + r.code_offset; + for (uint32_t j = 0; j < r.code_len; ++j) { + char buf[64]; + isa::disasm(reinterpret_cast(base)[j], buf, sizeof buf); + std::printf(" 0x%04x %s\n", + h.offset_code + r.code_offset + j * 4, buf); + } + } + + if (v.data_len()) { + std::printf("data (%zu bytes):\n", v.data_len()); + const uint8_t* d = v.data_bytes(); + for (size_t i = 0; i < v.data_len(); i += 16) { + std::printf(" 0x%04x:", static_cast(i)); + for (size_t j = 0; j < 16 && i + j < v.data_len(); ++j) { + std::printf(" %02x", d[i + j]); + } + std::printf("\n"); + } + } + return 0; + } } int main(int argc, char** argv) { @@ -37,6 +100,13 @@ int main(int argc, char** argv) { return 0; } + // --disasm：第一参数是 .stb 路径，不重新编译 + for (int i = 1; i < argc; ++i) { + if (std::strcmp(argv[i], "--disasm") == 0) { + return dump_image(argv[1]); + } + } + const std::string toml_path = argv[1]; std::string out_path; for (int i = 2; i + 1 < argc; ++i) {