Initial commit

main.go

@@ -0,0 +1,144 @@
+package main
+
+/*
+#cgo CFLAGS: -I./include
+#cgo LDFLAGS: -L./lib -lunildd
+#include "unildd.h"
+#include <stdint.h>
+#include <string.h>
+*/
+import "C"
+
+import (
+	"fmt"
+	"os"
+	"unsafe"
+)
+
+func toGoString(cStr *C.char) string {
+	if cStr == nil {
+		return "Undefined"
+	} else {
+		return C.GoString(cStr)
+	}
+}
+
+func main() {
+	argv := os.Args[1:]
+	isMultiple := len(argv) > 1
+
+	for _, fileName := range argv {
+		CFileName := C.CString(fileName)
+
+		fileContent, err := os.ReadFile(fileName)
+
+		if err != nil {
+			_, _ = fmt.Fprintln(os.Stderr, err)
+
+			if isMultiple {
+				fmt.Println()
+				fmt.Println()
+				continue
+			} else {
+				os.Exit(-25)
+			}
+		}
+
+		buffer := (*C.uint8_t)(unsafe.Pointer(&fileContent[0]))
+
+		size := C.size_t(len(fileContent))
+
+		readObjects := C.read_obj(CFileName, buffer, size, false)
+		objectsLength := int(readObjects.length)
+		objectArray := unsafe.Slice(readObjects.vec, objectsLength)
+
+		for i := 0; i < objectsLength; i++ {
+			var objectResult C.ULDDObjResult = objectArray[i]
+
+			object := objectResult.obj
+			err := objectResult.error
+
+			errorCode := int64(err.code)
+
+			if errorCode != 0 {
+				_, _ = fmt.Fprintln(os.Stderr, C.GoString(err.explanation))
+
+				if isMultiple {
+					fmt.Println()
+					fmt.Println()
+					continue
+				} else {
+					if errorCode < 0 {
+						os.Exit(int(err.code))
+					} else {
+						os.Exit(-25)
+					}
+				}
+			}
+
+			fmt.Println("File name:           " + C.GoString(object.file_name))
+
+			memberName := ""
+
+			memberNamesLength := int(object.member_name.length)
+			memberNames := unsafe.Slice(object.member_name.vec, memberNamesLength)
+			for j := 0; j < memberNamesLength; j++ {
+				member := memberNames[j]
+				memberName += C.GoString(member)
+
+				if j+1 != int(object.member_name.length) {
+					memberName += " -> "
+				}
+			}
+
+			fmt.Println("Member of:           " + memberName)
+
+			fmt.Println("Executable format:   " + toGoString(object.executable_format))
+
+			is64 := ""
+
+			if object.is_64 {
+				is64 = "64-bit"
+			} else {
+				is64 = "32-bit"
+			}
+
+			fmt.Println("Word size:           " + is64)
+
+			fmt.Println("OS:                  " + toGoString(object.os_type))
+
+			fmt.Println("File type:           " + toGoString(object.file_type))
+
+			isStripped := ""
+
+			if object.is_stripped {
+				isStripped = "Yes"
+			} else {
+				isStripped = "No"
+			}
+
+			fmt.Println("Is stripped:         " + isStripped)
+
+			fmt.Println("CPU type:            " + toGoString(object.cpu_type))
+
+			fmt.Println("CPU subtype:         " + toGoString(object.cpu_subtype))
+
+			fmt.Println("Linker:              " + toGoString(object.interpreter))
+
+			fmt.Println("Libraries:")
+			librariesLength := int(object.libraries.length)
+			libraries := unsafe.Slice(object.libraries.vec, librariesLength)
+			for _, library := range libraries {
+				fmt.Println("  -" + toGoString(library))
+			}
+
+			if i+1 != int(readObjects.length) {
+				fmt.Println()
+				fmt.Println()
+			}
+		}
+
+		C.free_obj(readObjects, false)
+		C.free(unsafe.Pointer(CFileName))
+	}
+}