feat(ir2mcode): 添加IR到机器码转换模块并更新依赖配置

- 新增ir2mcode库用于将IR转换为机器码
- 添加sccf2target依赖以支持目标平台转换
- 在ast库中添加scc_pos依赖支持位置信息
- 更新cbuild.toml配置文件添加新库依赖
- 实现AMD64架构代码生成功能
- 添加寄存器分配器实现栈和寄存器位置管理
- 支持基本的算术运算和内存访问操作
- 添加PE格式目标文件生成支持

libs/target/sccf2target/tests/test_sccf2pe_run.c

@@ -0,0 +1,69 @@
+#include <sccf.h>
+#include <sccf2pe.h>
+#include <sccf_builder.h>
+#include <stdio.h>
+
+int main() {
+    char data[] = "Hello, World from SCC PE Builder!\n\0";
+
+    /* clang-format off */
+    char code[] = {
+        // sub rsp, 0x28            ; 为函数调用分配栈空间
+        0x48, 0x83, 0xEC, 0x28,
+        // lea rcx, [rip + data_offset] ; 将字符串地址加载到RCX（第一个参数）
+        0x48, 0x8D, 0x0D, 0x00, 0x00, 0x00, 0x00,
+        // call qword ptr [rip + puts_iat] ; 通过IAT调用puts
+        0xFF, 0x15, 0x00, 0x00, 0x00, 0x00,
+        // add rsp, 0x28            ; 恢复栈空间
+        0x48, 0x83, 0xC4, 0x28,
+        // xor eax, eax             ; 设置返回值为0
+        0x33, 0xC0,
+        // ret                      ; 返回
+        0xC3,
+    };
+    /* clang-format on */
+
+    sccf_builder_t builder;
+    sccf_builder_init(&builder);
+    sccf_sect_data_t text_section = {
+        .data = (u8 *)code, .size = sizeof(code), .cap = sizeof(code)};
+    sccf_sect_data_t data_section = {
+        .data = (u8 *)data, .size = sizeof(data), .cap = sizeof(data)};
+    sccf_builder_add_text_section(&builder, &text_section);
+    sccf_builder_add_data_section(&builder, &data_section);
+    usize str_idx =
+        sccf_builder_add_symbol(&builder, "str_data",
+                                &(sccf_sym_t){
+                                    .sccf_sect_offset = 0,
+                                    .sccf_sect_type = SCCF_SECT_DATA,
+                                    .sccf_sym_bind = SCCF_SYM_BIND_GLOBAL,
+                                    .sccf_sym_size = sizeof(data),
+                                    .sccf_sym_type = SCCF_SYM_TYPE_DATA,
+                                    .sccf_sym_vis = SCCF_SYM_VIS_DEFAULT,
+                                });
+    usize puts_idx =
+        sccf_builder_add_symbol(&builder, "puts",
+                                &(sccf_sym_t){
+                                    .sccf_sect_offset = 0,
+                                    .sccf_sect_type = SCCF_SECT_NONE,
+                                    .sccf_sym_bind = SCCF_SYM_BIND_GLOBAL,
+                                    .sccf_sym_size = 8,
+                                    .sccf_sym_type = SCCF_SYM_TYPE_EXTERN,
+                                    .sccf_sym_vis = SCCF_SYM_VIS_DEFAULT,
+                                });
+    sccf_builder_add_reloc(&builder, (sccf_reloc_t){.addend = 4,
+                                                    .offset = 7,
+                                                    .sect_type = SCCF_SECT_CODE,
+                                                    .sym_idx = str_idx,
+                                                    .type = SCCF_RELOC_REL});
+    sccf_builder_add_reloc(&builder, (sccf_reloc_t){.addend = 4,
+                                                    .offset = 13,
+                                                    .sect_type = SCCF_SECT_CODE,
+                                                    .sym_idx = puts_idx,
+                                                    .type = SCCF_RELOC_REL});
+    const sccf_t *sccf = sccf_builder_to_sccf(&builder);
+
+    scc_pe_builder_t pe_builder;
+    sccf2pe(&pe_builder, sccf);
+    scc_pe_dump_to_file(&pe_builder, __FILE__ "/../../test.exe");
+}