diff options
Diffstat (limited to 'gcc/java/jcf-dump.c')
| -rw-r--r-- | gcc/java/jcf-dump.c | 1658 |
1 files changed, 0 insertions, 1658 deletions
diff --git a/gcc/java/jcf-dump.c b/gcc/java/jcf-dump.c deleted file mode 100644 index 8b00e57..0000000 --- a/gcc/java/jcf-dump.c +++ /dev/null @@ -1,1658 +0,0 @@ -/* Program to dump out a Java(TM) .class file. - Functionally similar to Sun's javap. - - Copyright (C) 1996-2016 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GCC; see the file COPYING3. If not see -<http://www.gnu.org/licenses/>. - -Java and all Java-based marks are trademarks or registered trademarks -of Sun Microsystems, Inc. in the United States and other countries. -The Free Software Foundation is independent of Sun Microsystems, Inc. */ - -/* Written by Per Bothner <bothner@cygnus.com>, February 1996. */ - -/* - jcf-dump is a program to print out the contents of class files. - Usage: jcf-dump [FLAGS] CLASS - Each CLASS is either: - + the name of a class in the CLASSPATH (e.g "java.lang.String"), or - + the name of a class *file* (e.g. "/home/me/work/package/Foo.class"). - + The name of a .zip or .jar file (which prints all the classes in the - archive). - - OPTIONS: - -c - Dis-assemble each method. - -classpath PATH - Overrides $CLASSPATH. - --print-main - Print nothing if there is no valid "main" method; - otherwise, print only the class name. - --javap - Print output in the style of Sun's javap program. VERY UNFINISHED. - */ - - -#include "config.h" -#include "system.h" -#include "coretypes.h" -#include "tree.h" -#include "diagnostic.h" -#include "intl.h" - -#include "jcf.h" -#include "java-tree.h" - -#include "version.h" - -#include <getopt.h> -#include <math.h> - -/* Output file. */ -FILE *out; -/* Name of output file, if NULL if stdout. */ -char *output_file = NULL; - -int verbose = 0; - -int flag_disassemble_methods = 0; -int flag_print_class_info = 1; -int flag_print_constant_pool = 0; -int flag_print_fields = 1; -int flag_print_methods = 1; -int flag_print_attributes = 1; - -/* Print names of classes that have a "main" method. */ -int flag_print_main = 0; - -/* Index in constant pool of this class. */ -int this_class_index = 0; - -int class_access_flags = 0; - -/* Print in format similar to javap. VERY INCOMPLETE. */ -int flag_javap_compatible = 0; - -static void print_access_flags (FILE *, uint16, char); -static void print_constant_terse (FILE*, JCF*, int, int); -static void print_constant_terse_with_index (FILE *, JCF *, int, int); -static void print_constant (FILE *, JCF *, int, int); -static void print_constant_ref (FILE *, JCF *, int); -static void disassemble_method (JCF*, const unsigned char *, int); -static void print_name (FILE*, JCF*, int); -static void print_signature (FILE*, JCF*, int, int); -static int utf8_equal_string (struct JCF*, int, const char *); -static void usage (void) ATTRIBUTE_NORETURN; -static void help (void) ATTRIBUTE_NORETURN; -static void version (void) ATTRIBUTE_NORETURN; -static void process_class (struct JCF *); -static void print_constant_pool (struct JCF *); -static void print_exception_table (struct JCF *, const unsigned char *entries, - int); -static void indent (FILE *, int); -static void print_element_value (FILE *, JCF *, int); -static void print_annotation (FILE *, JCF *, int); -static void print_annotations (FILE *, JCF *, int); -static void print_parameter_annotations (FILE *, JCF *, int); - -#define PRINT_SIGNATURE_RESULT_ONLY 1 -#define PRINT_SIGNATURE_ARGS_ONLY 2 - -static int -utf8_equal_string (JCF *jcf, int index, const char * value) -{ - if (CPOOL_INDEX_IN_RANGE (&jcf->cpool, index) - && JPOOL_TAG (jcf, index) == CONSTANT_Utf8) - { - int len = strlen (value); - if (JPOOL_UTF_LENGTH (jcf, index) == len - && memcmp (JPOOL_UTF_DATA (jcf, index), value, len) == 0) - return 1; - } - return 0; -} - -#define HANDLE_MAGIC(MAGIC, MINOR, MAJOR) \ - this_class_index = 0; \ - if (flag_print_class_info) \ - fprintf (out, \ - "Magic number: 0x%0lx, minor_version: %ld, major_version: %ld.\n",\ - (unsigned long) MAGIC, (long) MINOR, (long) MAJOR) - -#define HANDLE_START_CONSTANT_POOL(COUNT) \ - if (flag_print_constant_pool) \ - fprintf (out, "\nConstant pool (count: %d):\n", COUNT) - -#define HANDLE_SOURCEFILE(INDEX) \ -{ fprintf (out, "Attribute "); \ - print_constant_terse (out, jcf, attribute_name, CONSTANT_Utf8); \ - fprintf (out, ", length:%ld, #%d=", (long) attribute_length, INDEX); \ - print_constant_terse (out, jcf, INDEX, CONSTANT_Utf8); fputc ('\n', out); } - -#define HANDLE_CLASS_INFO(ACCESS_FLAGS, THIS, SUPER, INTERFACES_COUNT) \ - this_class_index = THIS; \ - class_access_flags = ACCESS_FLAGS; \ - if (flag_print_class_info) \ - { fprintf (out, "\nAccess flags: 0x%x", ACCESS_FLAGS); \ - print_access_flags (out, ACCESS_FLAGS, 'c'); \ - fputc ('\n', out); \ - fprintf (out, "This class: "); \ - print_constant_terse_with_index (out, jcf, THIS, CONSTANT_Class); \ - if (flag_print_constant_pool || SUPER != 0) \ - fprintf (out, ", super: "); \ - if (flag_print_constant_pool) \ - { \ - fprintf (out, "%d", SUPER); \ - if (SUPER != 0) \ - fputc ('=', out); \ - } \ - if (SUPER != 0) \ - print_constant_terse (out, jcf, SUPER, CONSTANT_Class); \ - fprintf (out, "\nInterfaces (count: %d):\n", INTERFACES_COUNT); \ - } - -#define IGNORE_ATTRIBUTE(JCF, NAME, NAME_LENGTH) \ - (flag_print_attributes <= 0) - -#define HANDLE_CLASS_INTERFACE(INDEX) \ - if (flag_print_class_info) \ - { fprintf (out, "- Implements: "); \ - print_constant_terse_with_index (out, jcf, INDEX, CONSTANT_Class); \ - fputc ('\n', out); } - -#define HANDLE_START_FIELDS(FIELDS_COUNT) \ - if (flag_print_fields) \ - fprintf (out, "\nFields (count: %d):\n", FIELDS_COUNT) - -#define HANDLE_START_FIELD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \ - if (flag_print_fields) \ - { fprintf (out, "Field name:"); \ - print_constant_terse (out, jcf, NAME, CONSTANT_Utf8); \ - print_access_flags (out, ACCESS_FLAGS, 'f'); \ - fprintf (out, " Descriptor: "); \ - if (flag_print_constant_pool) \ - fprintf (out, "%d=", SIGNATURE); \ - print_signature (out, jcf, SIGNATURE, 0); \ - fputc ('\n', out); } \ - else \ - flag_print_attributes--; - -#define HANDLE_END_FIELD() \ - if (! flag_print_fields) \ - flag_print_attributes++; - -#define HANDLE_START_METHODS(METHODS_COUNT) \ - if (flag_print_methods) \ - fprintf (out, "\nMethods (count: %d):\n", METHODS_COUNT); \ - else \ - flag_print_attributes--; - - -#define HANDLE_END_METHODS() \ - if (! flag_print_methods) \ - flag_print_attributes++; - -#define HANDLE_METHOD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \ -{ \ - if (flag_print_methods) \ - { \ - if (flag_javap_compatible) \ - { \ - fprintf (out, " "); \ - print_access_flags (out, ACCESS_FLAGS, 'm'); \ - fputc (' ', out); \ - print_signature (out, jcf, SIGNATURE, PRINT_SIGNATURE_RESULT_ONLY); \ - fputc (' ', out); \ - print_constant_terse (out, jcf, NAME, CONSTANT_Utf8); \ - print_signature (out, jcf, SIGNATURE, PRINT_SIGNATURE_ARGS_ONLY); \ - fputc ('\n', out); \ - } \ - else \ - { \ - fprintf (out, "\nMethod name:"); \ - print_constant_terse (out, jcf, NAME, CONSTANT_Utf8); \ - print_access_flags (out, ACCESS_FLAGS, 'm'); \ - fprintf (out, " Descriptor: "); \ - if (flag_print_constant_pool) \ - fprintf (out, "%d=", SIGNATURE); \ - print_signature (out, jcf, SIGNATURE, 0); \ - fputc ('\n', out); \ - } \ - } \ - if (flag_print_main && ACCESS_FLAGS == (ACC_STATIC|ACC_PUBLIC) \ - && utf8_equal_string (jcf, NAME, "main") \ - && utf8_equal_string (jcf, SIGNATURE, "([Ljava/lang/String;)V") \ - && this_class_index > 0 \ - && (class_access_flags & ACC_PUBLIC)) \ - { \ - print_constant_terse(out, jcf, this_class_index, CONSTANT_Class); \ - fputc ('\n', out); \ - } \ -} - -#define COMMON_HANDLE_ATTRIBUTE(JCF, INDEX, LENGTH) \ -( fprintf (out, "Attribute "), \ - print_constant_terse (out, jcf, INDEX, CONSTANT_Utf8), \ - fprintf (out, ", length:%ld", (long) LENGTH) ) - -#define HANDLE_CONSTANTVALUE(VALUE_INDEX) \ -( COMMON_HANDLE_ATTRIBUTE(JCF, attribute_name, attribute_length), \ - fprintf (out, ", value: "), \ - print_constant_ref (out, jcf, VALUE_INDEX), \ - fprintf (out, "\n") ) - -#define HANDLE_CODE_ATTRIBUTE(MAX_STACK, MAX_LOCALS, CODE_LENGTH) \ -{ COMMON_HANDLE_ATTRIBUTE(JCF, attribute_name, attribute_length); \ - fprintf (out, ", max_stack:%ld, max_locals:%ld, code_length:%ld\n", \ - (long) MAX_STACK, (long) MAX_LOCALS, (long) CODE_LENGTH); \ - disassemble_method (jcf, jcf->read_ptr, CODE_LENGTH); } - -#define HANDLE_EXCEPTION_TABLE(ENTRIES, COUNT) \ - print_exception_table (jcf, ENTRIES, COUNT) - -#define HANDLE_EXCEPTIONS_ATTRIBUTE(COUNT) \ -{ int n = (COUNT); int i; \ - COMMON_HANDLE_ATTRIBUTE(JCF, attribute_name, attribute_length); \ - fprintf (out, ", count: %d\n", n); \ - for (i = 0; i < n; i++) {\ - int ex_index = JCF_readu2 (jcf); \ - fprintf (out, "%3d: ", i); \ - print_constant_ref (out, jcf, ex_index); \ - fputc ('\n', out); } } - -#define HANDLE_LOCALVARIABLETABLE_ATTRIBUTE(COUNT) \ -{ int n = (COUNT); int i; \ - COMMON_HANDLE_ATTRIBUTE(JCF, attribute_name, attribute_length); \ - fprintf (out, ", count: %d\n", n); \ - for (i = 0; i < n; i++) {\ - int start_pc = JCF_readu2 (jcf); \ - int length = JCF_readu2 (jcf); \ - int name_index = JCF_readu2 (jcf); \ - int signature_index = JCF_readu2 (jcf); \ - int slot = JCF_readu2 (jcf); \ - fprintf (out, " slot#%d: name: ", slot); \ - if (flag_print_constant_pool) \ - fprintf (out, "%d=", name_index); \ - print_name (out, jcf, name_index); \ - fprintf (out, ", type: "); \ - if (flag_print_constant_pool) \ - fprintf (out, "%d=", signature_index); \ - print_signature (out, jcf, signature_index, 0); \ - fprintf (out, " (pc: %d length: %d)\n", start_pc, length); }} - -#define HANDLE_LOCALVARIABLETYPETABLE_ATTRIBUTE(COUNT) \ -{ int n = (COUNT); int i; \ - COMMON_HANDLE_ATTRIBUTE(JCF, attribute_name, attribute_length); \ - fprintf (out, ", count: %d\n", n); \ - for (i = 0; i < n; i++) { \ - int start_pc = JCF_readu2 (jcf); \ - int length = JCF_readu2 (jcf); \ - int name_index = JCF_readu2 (jcf); \ - int signature_index = JCF_readu2 (jcf); \ - int slot = JCF_readu2 (jcf); \ - fprintf (out, " slot#%d: name: ", slot); \ - if (flag_print_constant_pool) \ - fprintf (out, "%d=", name_index); \ - print_name (out, jcf, name_index); \ - fprintf (out, ", type: "); \ - if (flag_print_constant_pool) \ - fprintf (out, "%d=", signature_index); \ - print_signature (out, jcf, signature_index, 0); \ - fprintf (out, " (pc: %d length: %d)\n", start_pc, length); }} - -#define HANDLE_LINENUMBERTABLE_ATTRIBUTE(COUNT) \ -{ int n = (COUNT); int i; \ - COMMON_HANDLE_ATTRIBUTE(jcf, attribute_name, attribute_length); \ - fprintf (out, ", count: %d\n", n); \ - if (flag_disassemble_methods) \ - for (i = 0; i < n; i++) {\ - int start_pc = JCF_readu2 (jcf); \ - int line_number = JCF_readu2 (jcf); \ - fprintf (out, " line: %d at pc: %d\n", line_number, start_pc); }\ - else \ - JCF_SKIP (jcf, 4 * n); } - -#define HANDLE_INNERCLASSES_ATTRIBUTE(COUNT) \ -{ int n = (COUNT); \ - COMMON_HANDLE_ATTRIBUTE(jcf, attribute_name, attribute_length); \ - while (n--) \ - { \ - uint16 inner_class_info_index = JCF_readu2 (jcf); \ - uint16 outer_class_info_index = JCF_readu2 (jcf); \ - uint16 inner_name_index = JCF_readu2 (jcf); \ - uint16 inner_class_access_flags = JCF_readu2 (jcf); \ - \ - if (flag_print_class_info) \ - { \ - fprintf (out, "\n inner: "); \ - if (inner_class_info_index == 0) \ - fprintf (out, " (no inner info index)"); \ - else \ - print_constant_terse_with_index (out, jcf, \ - inner_class_info_index, \ - CONSTANT_Class); \ - if (inner_name_index == 0) \ - fprintf (out, " (anonymous)"); \ - else if (verbose || flag_print_constant_pool) \ - { \ - fprintf (out, " ("); \ - print_constant_terse_with_index (out, jcf, inner_name_index, \ - CONSTANT_Utf8); \ - fputc (')', out); \ - } \ - fprintf (out, ", access flags: 0x%x", inner_class_access_flags); \ - print_access_flags (out, inner_class_access_flags, 'c'); \ - fprintf (out, ", outer class: "); \ - if (outer_class_info_index == 0) \ - fprintf (out, "(not a member)"); \ - else \ - print_constant_terse_with_index (out, jcf, \ - outer_class_info_index, \ - CONSTANT_Class); \ - } \ - } \ - if (flag_print_class_info) \ - fputc ('\n', out); \ -} - -#define HANDLE_SOURCEDEBUGEXTENSION_ATTRIBUTE(LENGTH) \ -{ int i, n = (LENGTH), c = 0; \ - COMMON_HANDLE_ATTRIBUTE(jcf, attribute_name, attribute_length); \ - fputc ('\n', out); \ - for (i = 0; i < n; i++) { c = JCF_readu(jcf); fputc(c, out); } \ - if (c != '\r' && c != '\n') fputc('\n', out); } - -#define HANDLE_ENCLOSINGMETHOD_ATTRIBUTE() \ - { uint16 class_index, method_index; \ - COMMON_HANDLE_ATTRIBUTE(jcf, attribute_name, attribute_length); \ - class_index = JCF_readu2 (jcf); \ - method_index = JCF_readu2 (jcf); \ - fprintf (out, "\n Class: "); \ - print_constant_terse_with_index (out, jcf, class_index, CONSTANT_Class); \ - fprintf (out, "\n Method: "); \ - print_constant_terse_with_index (out, jcf, method_index, \ - CONSTANT_NameAndType); \ - fputc ('\n', out); \ -} - -#define HANDLE_SIGNATURE_ATTRIBUTE() \ -{ \ - uint16 signature; \ - COMMON_HANDLE_ATTRIBUTE(jcf, attribute_name, attribute_length); \ - signature = JCF_readu2 (jcf); \ - fprintf (out, "\n Value: "); \ - print_constant_terse_with_index (out, jcf, signature, CONSTANT_Utf8); \ - fputc ('\n', out); \ -} - -#define HANDLE_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE() \ -{ \ - COMMON_HANDLE_ATTRIBUTE(jcf, attribute_name, attribute_length); \ - print_annotations (out, jcf, 1); \ -} - -#define HANDLE_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE() \ -{ \ - COMMON_HANDLE_ATTRIBUTE(jcf, attribute_name, attribute_length); \ - print_annotations (out, jcf, 1); \ -} - -#define HANDLE_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE() \ -{ \ - COMMON_HANDLE_ATTRIBUTE(jcf, attribute_name, attribute_length); \ - print_parameter_annotations (out, jcf, 1); \ -} - -#define HANDLE_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE() \ -{ \ - COMMON_HANDLE_ATTRIBUTE(jcf, attribute_name, attribute_length); \ - print_parameter_annotations (out, jcf, 1); \ -} - -#define HANDLE_ANNOTATIONDEFAULT_ATTRIBUTE() \ -{ \ - COMMON_HANDLE_ATTRIBUTE(jcf, attribute_name, attribute_length); \ - print_element_value (out, jcf, 1); \ -} - -#define HANDLE_BOOTSTRAP_METHODS_ATTRIBUTE() \ -{ \ - COMMON_HANDLE_ATTRIBUTE(jcf, attribute_name, attribute_length); \ - fputc ('\n', out); jcf_parse_bootstrap_methods (jcf, attribute_length); \ -} - -#define HANDLE_END_BOOTSTRAP_METHODS(NUM_METHODS) \ - { \ - int i; \ - for (i = 0; i < NUM_METHODS; i++) \ - { \ - bootstrap_method *m = &jcf->bootstrap_methods.methods[i]; \ - fprintf (out, " %d: ", i); \ - print_constant (out, jcf, m->method_ref, 1); \ - fprintf (out, "\n"); \ - } \ - } - -#define PROCESS_OTHER_ATTRIBUTE(JCF, INDEX, LENGTH) \ -{ COMMON_HANDLE_ATTRIBUTE(JCF, INDEX, LENGTH); \ - fputc ('\n', out); JCF_SKIP (JCF, LENGTH); } - -#define START_FINAL_ATTRIBUTES(ATTRIBUTES_COUNT) \ - if (flag_print_attributes > 0) \ - fprintf (out, "\nAttributes (count: %d):\n", attributes_count); - - - - -static void -indent (FILE *stream, int level) -{ - int i; - for (i = 0; i < level; ++i) - fprintf (stream, " "); -} - -static void -print_element_value (FILE *stream, JCF *jcf, int level) -{ - uint8 tag = JCF_readu (jcf); - indent (stream, level); - switch (tag) - { - case 'B': - case 'C': - case 'S': - case 'Z': - case 'I': - { - uint16 cindex = JCF_readu2 (jcf); - print_constant_terse_with_index (stream, jcf, cindex, - CONSTANT_Integer); - } - break; - case 'D': - { - uint16 cindex = JCF_readu2 (jcf); - print_constant_terse_with_index (stream, jcf, cindex, - CONSTANT_Double); - } - break; - case 'F': - { - uint16 cindex = JCF_readu2 (jcf); - print_constant_terse_with_index (stream, jcf, cindex, - CONSTANT_Float); - } - break; - case 'J': - { - uint16 cindex = JCF_readu2 (jcf); - print_constant_terse_with_index (stream, jcf, cindex, - CONSTANT_Long); - } - break; - case 's': - { - uint16 cindex = JCF_readu2 (jcf); - /* Despite what the JVM spec says, compilers generate a Utf8 - constant here, not a String. */ - print_constant_terse_with_index (stream, jcf, cindex, - CONSTANT_Utf8); - } - break; - - case 'e': - { - uint16 type_name_index = JCF_readu2 (jcf); - uint16 const_name_index = JCF_readu2 (jcf); - fprintf (stream, "enum class: "); - print_constant_terse_with_index (stream, jcf, type_name_index, - CONSTANT_Utf8); - fprintf (stream, "\n"); - indent (stream, level); - fprintf (stream, "Field: "); - print_constant_terse_with_index (stream, jcf, const_name_index, - CONSTANT_Utf8); - } - break; - case 'c': - { - uint16 class_info_index = JCF_readu2 (jcf); - print_constant_terse_with_index (stream, jcf, class_info_index, - CONSTANT_Utf8); - } - break; - case '@': - { - fprintf (stream, "Annotation:\n"); - print_annotation (stream, jcf, level + 1); - } - break; - case '[': - { - uint16 n_array_elts = JCF_readu2 (jcf); - fprintf (stream, "array[%d]: [\n", (int) n_array_elts); - while (n_array_elts--) - print_element_value (stream, jcf, level + 1); - indent (stream, level); - fprintf (stream, "]"); - } - break; - default: - fprintf (stream, "Unexpected tag value: %d", (int) tag); - break; - } - fputc ('\n', stream); -} - -static void -print_annotation (FILE *stream, JCF *jcf, int level) -{ - uint16 type_index = JCF_readu2 (jcf); - uint16 npairs = JCF_readu2 (jcf); - fprintf (stream, "\n"); - indent (stream, level); - fprintf (stream, "Annotation name: "); - print_constant_terse_with_index (stream, jcf, type_index, - CONSTANT_Utf8); - if (npairs) - { - fprintf (stream, "\n"); - while (npairs--) - { - uint16 name_index = JCF_readu2 (jcf); - indent (stream, level + 1); - fprintf (stream, "Name: "); - print_constant_terse_with_index (stream, jcf, name_index, - CONSTANT_Utf8); - fprintf (stream, "\n"); - print_element_value (stream, jcf, level + 2); - } - } -} - -static void -print_annotations (FILE *stream, JCF *jcf, int level) -{ - uint16 num = JCF_readu2 (jcf); - while (num--) - print_annotation (stream, jcf, level); -} - -static void -print_parameter_annotations (FILE *stream, JCF *jcf, int level) -{ - uint8 nparams = JCF_readu (jcf); - uint8 i; - for (i = 0; i < nparams; ++i) - { - indent (stream, level); - fprintf (stream, "Parameter annotations (%d):\n", (int) i); - print_annotations (stream, jcf, level + 1); - } -} - - - -static void -print_constant_ref (FILE *stream, JCF *jcf, int index) -{ - if (index <= 0 || index >= JPOOL_SIZE(jcf)) - fprintf (stream, "<out of range>"); - else - { - if (flag_print_constant_pool) - fprintf (stream, "#%d=", index); - fputc ('<', stream); - print_constant (stream, jcf, index, 1); - fputc ('>', stream); - } -} - -/* Print the access flags given by FLAGS. - The CONTEXT is one of 'c' (class flags), 'f' (field flags), - or 'm' (method flags). */ - -static void -print_access_flags (FILE *stream, uint16 flags, char context) -{ - if (flags & ACC_PUBLIC) fprintf (stream, " public"); - if (flags & ACC_PRIVATE) fprintf (stream, " private"); - if (flags & ACC_PROTECTED) fprintf (stream, " protected"); - if (flags & ACC_ABSTRACT) fprintf (stream, " abstract"); - if (flags & ACC_STATIC) fprintf (stream, " static"); - if (flags & ACC_FINAL) fprintf (stream, " final"); - if (flags & ACC_TRANSIENT) - fprintf (stream, context == 'm' ? " varargs" : " transient"); - if (flags & ACC_VOLATILE) - fprintf (stream, context == 'm' ? " bridge" : " volatile"); - if (flags & ACC_NATIVE) fprintf (stream, " native"); - if (flags & ACC_SYNCHRONIZED) - { - if (context == 'c') - fprintf (stream, " super"); - else - fprintf (stream, " synchronized"); - } - if (flags & ACC_INTERFACE) - fprintf (stream, (flags & ACC_ANNOTATION) ? " @interface" : " interface"); - if (flags & ACC_ENUM) fprintf (stream, " enum"); - if (flags & ACC_STRICT) fprintf (stream, " strictfp"); - if (flags & ACC_SYNTHETIC) fprintf (stream, " synthetic"); -} - - -static void -print_name (FILE* stream, JCF* jcf, int name_index) -{ - if (JPOOL_TAG (jcf, name_index) != CONSTANT_Utf8) - fprintf (stream, "<not a UTF8 constant>"); - else - jcf_print_utf8 (stream, JPOOL_UTF_DATA (jcf,name_index), - JPOOL_UTF_LENGTH (jcf, name_index)); -} - -/* If the type of the constant at INDEX matches EXPECTED, - print it tersely, otherwise more verbosely. */ - -static void -print_constant_terse (FILE *out, JCF *jcf, int index, int expected) -{ - if (! CPOOL_INDEX_IN_RANGE (&jcf->cpool, index)) - fprintf (out, "<constant pool index %d not in range>", index); - else if (JPOOL_TAG (jcf, index) != expected) - { - fprintf (out, "<Unexpected constant type "); - print_constant (out, jcf, index, 1); - fprintf (out, ">"); - } - else - print_constant (out, jcf, index, 0); -} - -static void -print_constant_terse_with_index (FILE *out, JCF *jcf, int index, int expected) -{ - if (flag_print_constant_pool) - fprintf (out, "%d=", index); - print_constant_terse (out, jcf, index, expected); -} - -/* Print the constant at INDEX in JCF's constant pool. - If verbosity==0, print very tersely (no extraneous text). - If verbosity==1, prefix the type of the constant. - If verbosity==2, add more descriptive text. */ - -static void -print_constant (FILE *out, JCF *jcf, int index, int verbosity) -{ - int j, n; - jlong num; - const char *str; - int kind = JPOOL_TAG (jcf, index); - switch (kind) - { - case CONSTANT_Class: - n = JPOOL_USHORT1 (jcf, index); - if (verbosity > 0) - { - if (verbosity > 1) - fprintf (out, "Class name: %d=", n); - else - fprintf (out, "Class "); - } - if (! CPOOL_INDEX_IN_RANGE (&jcf->cpool, n)) - fprintf (out, "<out of range>"); - else if (verbosity < 2 && JPOOL_TAG (jcf, n) == CONSTANT_Utf8) - { - int len = JPOOL_UTF_LENGTH (jcf, n); - jcf_print_utf8_replace (out, JPOOL_UTF_DATA(jcf,n), len, '/', '.'); - } - else - print_constant_terse (out, jcf, n, CONSTANT_Utf8); - break; - case CONSTANT_Fieldref: - str = "Field"; goto field_or_method; - case CONSTANT_Methodref: - str = "Method"; goto field_or_method; - case CONSTANT_InterfaceMethodref: - str = "InterfaceMethod"; goto field_or_method; - field_or_method: - { - uint16 tclass = JPOOL_USHORT1 (jcf, index); - uint16 name_and_type = JPOOL_USHORT2 (jcf, index); - if (verbosity == 2) - fprintf (out, "%sref class: %d=", str, tclass); - else if (verbosity > 0) - fprintf (out, "%s ", str); - print_constant_terse (out, jcf, tclass, CONSTANT_Class); - if (verbosity < 2) - fprintf (out, "."); - else - fprintf (out, " name_and_type: %d=<", name_and_type); - print_constant_terse (out, jcf, name_and_type, CONSTANT_NameAndType); - if (verbosity == 2) - fputc ('>', out); - } - break; - case CONSTANT_String: - j = JPOOL_USHORT1 (jcf, index); - if (verbosity > 0) - { - if (verbosity > 1) - fprintf (out, "String %d=", j); - else - fprintf (out, "String "); - } - print_constant_terse (out, jcf, j, CONSTANT_Utf8); - break; - case CONSTANT_Integer: - if (verbosity > 0) - fprintf (out, "Integer "); - num = JPOOL_INT (jcf, index); - goto integer; - case CONSTANT_Long: - if (verbosity > 0) - fprintf (out, "Long "); - num = JPOOL_LONG (jcf, index); - goto integer; - integer: - { - char buffer[25]; - format_int (buffer, num, 10); - fprintf (out, "%s", buffer); - if (verbosity > 1) - { - format_uint (buffer, (uint64)num, 16); - fprintf (out, "=0x%s", buffer); - } - } - break; - case CONSTANT_Float: - { - jfloat fnum = JPOOL_FLOAT (jcf, index); - - if (verbosity > 0) - fputs ("Float ", out); - - if (fnum.negative) - putc ('-', out); - - if (JFLOAT_FINITE (fnum)) - { - int dummy; - int exponent = fnum.exponent - JFLOAT_EXP_BIAS; - double f; - uint32 mantissa = fnum.mantissa; - if (fnum.exponent == 0) - /* Denormal. */ - exponent++; - else - /* Normal; add the implicit bit. */ - mantissa |= ((uint32)1 << 23); - - f = frexp ((float) mantissa, &dummy); - f = ldexp (f, exponent + 1); - fprintf (out, "%.10g", f); - } - else - { - if (fnum.mantissa == 0) - fputs ("Inf", out); - else if (fnum.mantissa & JFLOAT_QNAN_MASK) - fprintf (out, "QNaN(%u)", (fnum.mantissa & ~JFLOAT_QNAN_MASK)); - else - fprintf (out, "SNaN(%u)", (fnum.mantissa & ~JFLOAT_QNAN_MASK)); - } - - if (verbosity > 1) - fprintf (out, ", bits = 0x%08lx", (unsigned long) JPOOL_UINT (jcf, index)); - - break; - } - case CONSTANT_Double: - { - jdouble dnum = JPOOL_DOUBLE (jcf, index); - - if (verbosity > 0) - fputs ("Double ", out); - - if (dnum.negative) - putc ('-', out); - - if (JDOUBLE_FINITE (dnum)) - { - int dummy; - int exponent = dnum.exponent - JDOUBLE_EXP_BIAS; - double d; - uint64 mantissa = ((((uint64) dnum.mantissa0) << 32) - + dnum.mantissa1); - if (dnum.exponent == 0) - /* Denormal. */ - exponent++; - else - /* Normal; add the implicit bit. */ - mantissa |= ((uint64)1 << 52); - - d = frexp ((double) mantissa, &dummy); - d = ldexp (d, exponent + 1); - fprintf (out, "%.20g", d); - } - else - { - uint64 mantissa = dnum.mantissa0 & ~JDOUBLE_QNAN_MASK; - mantissa = (mantissa << 32) + dnum.mantissa1; - - if (dnum.mantissa0 == 0 && dnum.mantissa1 == 0) - fputs ("Inf", out); - else if (dnum.mantissa0 & JDOUBLE_QNAN_MASK) - fprintf (out, "QNaN(%" HOST_LONG_LONG_FORMAT "u)", - (unsigned long long)mantissa); - else - fprintf (out, "SNaN(%" HOST_LONG_LONG_FORMAT "u)", - (unsigned long long)mantissa); - } - if (verbosity > 1) - { - int32 hi, lo; - hi = JPOOL_UINT (jcf, index); - lo = JPOOL_UINT (jcf, index + 1); - fprintf (out, ", bits = 0x%08lx%08lx", (unsigned long) hi, - (unsigned long) lo); - } - break; - } - case CONSTANT_NameAndType: - { - uint16 name = JPOOL_USHORT1 (jcf, index); - uint16 sig = JPOOL_USHORT2 (jcf, index); - if (verbosity > 0) - { - if (verbosity > 1) - fprintf (out, "NameAndType name: %d=", name); - else - fprintf (out, "NameAndType "); - } - print_name (out, jcf, name); - if (verbosity <= 1) - fputc (' ', out); - else - fprintf (out, ", signature: %d=", sig); - print_signature (out, jcf, sig, 0); - } - break; - case CONSTANT_Utf8: - { - const unsigned char *str = JPOOL_UTF_DATA (jcf, index); - int length = JPOOL_UTF_LENGTH (jcf, index); - if (verbosity > 0) - { /* Print as 8-bit bytes. */ - fputs ("Utf8: \"", out); - while (--length >= 0) - jcf_print_char (out, *str++); - } - else - { /* Print as Unicode. */ - fputc ('\"', out); - jcf_print_utf8 (out, str, length); - } - fputc ('\"', out); - } - break; - case CONSTANT_MethodHandle: - { - int kind = JPOOL_USHORT1 (jcf, index); - if (verbosity > 0) - fprintf (out, "MethodHandle kind: %d=", kind); - switch(kind) { - case 1: - case 2: - case 3: - case 4: - if (verbosity > 0) - fprintf (out, "Fieldref: %ld=", (long) JPOOL_USHORT2 (jcf, index)); - print_constant (out, jcf, JPOOL_USHORT2 (jcf, index), 0); - break; - case 5: - case 6: - case 7: - case 8: - if (verbosity > 0) - fprintf (out, "Methodref: %ld=", (long) JPOOL_USHORT2 (jcf, index)); - print_constant (out, jcf, JPOOL_USHORT2 (jcf, index), 0); - break; - case 9: - if (verbosity > 0) - fprintf (out, "InterfaceMethodref: %ld=", - (long) JPOOL_USHORT2 (jcf, index)); - print_constant (out, jcf, JPOOL_USHORT2 (jcf, index), 0); - break; - } - break; - } - case CONSTANT_MethodType: - if (verbosity > 0) - fprintf (out, "MethodType %ld: ", (long) JPOOL_USHORT1 (jcf, index)); - print_signature (out, jcf, JPOOL_USHORT1 (jcf, index), 0); - break; - case CONSTANT_InvokeDynamic: - { - uint16 name_and_type = JPOOL_USHORT2 (jcf, index); - if (verbosity > 0) - fprintf (out, "InvokeDynamic: "); - fprintf (out, "bootstrap_method: %ld ", - (long) JPOOL_USHORT1 (jcf, index)); - if (verbosity == 2) - fprintf (out, " name_and_type: %d=<", name_and_type); - print_constant_terse (out, jcf, name_and_type, CONSTANT_NameAndType); - if (verbosity == 2) - fputc ('>', out); - break; - } - default: - fprintf (out, "(Unknown constant type %d)", kind); - } -} - -static void -print_constant_pool (JCF *jcf) -{ - int i; - for (i = 1; i < JPOOL_SIZE(jcf); i++) - { - int kind = JPOOL_TAG (jcf, i); - fprintf (out, "#%d: ", i); - print_constant (out, jcf, i, 2); - fprintf (out, "\n"); - if (kind == CONSTANT_Double || kind == CONSTANT_Long) - i++; /* These take up two slots in the constant table */ - } -} - -static void -print_signature_type (FILE* stream, const unsigned char **ptr, - const unsigned char *limit) -{ - int array_size; - if ((*ptr) >= limit) - return; - switch (*(*ptr)) - { - case '[': - array_size = -1; - for ((*ptr)++; (*ptr) < limit && ISDIGIT (**ptr); (*ptr)++) - { - array_size = (array_size < 0 ? 0 : 10 * array_size) + *(*ptr) - '0'; - } - print_signature_type (stream, ptr, limit); - if (array_size == -1) - fprintf (stream, "[]"); - else - fprintf (stream, "[%d]", array_size); - break; - case '(': - { - int nargs = 0; - fputc (*(*ptr)++, stream); - for (; **ptr != ')' && *ptr < limit; nargs++) - { - if (nargs > 0) - fputc (',', stream); - print_signature_type (stream, ptr, limit); - } - if (*ptr < limit) - { - fputc (*(*ptr)++, stream); - print_signature_type (stream, ptr, limit); - } - else - fprintf (stream, "???"); - } - break; - - case 'B': fprintf (stream, "byte"); (*ptr)++; break; - case 'C': fprintf (stream, "char"); (*ptr)++; break; - case 'D': fprintf (stream, "double"); (*ptr)++; break; - case 'F': fprintf (stream, "float"); (*ptr)++; break; - case 'S': fprintf (stream, "short"); (*ptr)++; break; - case 'I': fprintf (stream, "int"); (*ptr)++; break; - case 'J': fprintf (stream, "long"); (*ptr)++; break; - case 'Z': fprintf (stream, "boolean"); (*ptr)++; break; - case 'V': fprintf (stream, "void"); (*ptr)++; break; - - case 'L': - for ((*ptr)++; (*ptr)<limit && *(*ptr) != ';'; (*ptr)++) - jcf_print_char (stream, *(*ptr) == '/' ? '.' : *(*ptr)); - if (*(*ptr) == ';') - (*ptr)++; - break; - default: - jcf_print_char (stream, *(*ptr)++); - } -} - -static void -print_signature (FILE* stream, JCF *jcf, int signature_index, int options) -{ - if (JPOOL_TAG (jcf, signature_index) != CONSTANT_Utf8) - print_constant_terse (out, jcf, signature_index, CONSTANT_Utf8); - else - { - const unsigned char *str = JPOOL_UTF_DATA (jcf, signature_index); - int length = JPOOL_UTF_LENGTH (jcf, signature_index); - const unsigned char *limit; - limit = str + length; - if (str >= limit) - fprintf (stream, "<empty signature string>"); - else - { - if (options & PRINT_SIGNATURE_RESULT_ONLY) - { - while (str < limit && *str++ != ')') ; - } - if (options & PRINT_SIGNATURE_ARGS_ONLY) - { - str++; - fputc ('(', stream); - while (str < limit && *str != ')') - { - print_signature_type (stream, &str, limit); - if (*str != ')') - fputs (", ", stream); - } - fputc (')', stream); - } - else - { - print_signature_type (stream, &str, limit); - if (str < limit) - { - fprintf (stream, "<junk:"); - jcf_print_utf8 (stream, str, limit - str); - fputc ('>', stream); - } - } - } - } -} - - -static void -print_exception_table (JCF *jcf, const unsigned char *entries, int count) -{ - /* Print exception table. */ - int i = count; - if (i > 0) - { - const unsigned char *ptr = entries; - fprintf (out, "Exceptions (count: %d):\n", i); - for (; --i >= 0; ptr+= 8) - { - int start_pc = GET_u2 (ptr); - int end_pc = GET_u2 (ptr+2); - int handler_pc = GET_u2 (ptr+4); - int catch_type = GET_u2 (ptr+6); - fprintf (out, " start: %d, end: %d, handler: %d, type: ", - start_pc, end_pc, handler_pc); - if (catch_type == 0) - fputs ("0 /* finally */", out); - else - print_constant_terse_with_index (out, jcf, - catch_type, CONSTANT_Class); - fputc ('\n', out); - } - } -} - -#include "jcf-reader.c" - -static void -process_class (JCF *jcf) -{ - int code; - if (jcf_parse_preamble (jcf) != 0) - fprintf (stderr, _("Not a valid Java .class file.\n")); - - /* Parse and possibly print constant pool */ - code = jcf_parse_constant_pool (jcf); - if (code != 0) - { - fprintf (stderr, _("error while parsing constant pool\n")); - exit (FATAL_EXIT_CODE); - } - code = verify_constant_pool (jcf); - if (code > 0) - { - fprintf (stderr, _("error in constant pool entry #%d\n"), code); - exit (FATAL_EXIT_CODE); - } - if (flag_print_constant_pool) - print_constant_pool (jcf); - - jcf_parse_class (jcf); - code = jcf_parse_fields (jcf); - if (code != 0) - { - fprintf (stderr, _("error while parsing fields\n")); - exit (FATAL_EXIT_CODE); - } - code = jcf_parse_methods (jcf); - if (code != 0) - { - fprintf (stderr, _("error while parsing methods\n")); - exit (FATAL_EXIT_CODE); - } - code = jcf_parse_final_attributes (jcf); - if (code != 0) - { - fprintf (stderr, _("error while parsing final attributes\n")); - exit (FATAL_EXIT_CODE); - } - jcf->filename = NULL; -} - - - -/* This is used to mark options with no short value. */ -#define LONG_OPT(Num) ((Num) + 128) - -#define OPT_classpath LONG_OPT (0) -#define OPT_CLASSPATH OPT_classpath -#define OPT_bootclasspath LONG_OPT (1) -#define OPT_extdirs LONG_OPT (2) -#define OPT_HELP LONG_OPT (3) -#define OPT_VERSION LONG_OPT (4) -#define OPT_JAVAP LONG_OPT (5) - -static const struct option options[] = -{ - { "classpath", required_argument, NULL, OPT_classpath }, - { "bootclasspath", required_argument, NULL, OPT_bootclasspath }, - { "extdirs", required_argument, NULL, OPT_extdirs }, - { "CLASSPATH", required_argument, NULL, OPT_CLASSPATH }, - { "help", no_argument, NULL, OPT_HELP }, - { "verbose", no_argument, NULL, 'v' }, - { "version", no_argument, NULL, OPT_VERSION }, - { "javap", no_argument, NULL, OPT_JAVAP }, - { "print-main", no_argument, &flag_print_main, 1 }, - { "print-constants", no_argument, &flag_print_constant_pool, 1 }, - { NULL, no_argument, NULL, 0 } -}; - -static void -usage (void) -{ - fprintf (stderr, _("Try 'jcf-dump --help' for more information.\n")); - exit (1); -} - -static void -help (void) -{ - printf (_("Usage: jcf-dump [OPTION]... CLASS...\n\n")); - printf (_("Display contents of a class file in readable form.\n\n")); - printf (_(" -c Disassemble method bodies\n")); - printf (_(" --javap Generate output in 'javap' format\n")); - printf ("\n"); - printf (_(" --classpath PATH Set path to find .class files\n")); - printf (_(" -IDIR Append directory to class path\n")); - printf (_(" --bootclasspath PATH Override built-in class path\n")); - printf (_(" --extdirs PATH Set extensions directory path\n")); - printf (_(" -o FILE Set output file name\n")); - printf ("\n"); - printf (_(" --help Print this help, then exit\n")); - printf (_(" --version Print version number, then exit\n")); - printf (_(" -v, --verbose Print extra information while running\n")); - printf ("\n"); - printf (_("For bug reporting instructions, please see:\n" - "%s.\n"), bug_report_url); - exit (0); -} - -static void -version (void) -{ - printf ("jcf-dump %s%s\n\n", pkgversion_string, version_string); - printf ("Copyright %s 2016 Free Software Foundation, Inc.\n", _("(C)")); - printf (_("This is free software; see the source for copying conditions. There is NO\n" - "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n")); - exit (0); -} - -int -main (int argc, char** argv) -{ - JCF jcf[1]; - int argi, opt; - const char *p; - - p = argv[0] + strlen (argv[0]); - while (p != argv[0] && !IS_DIR_SEPARATOR (p[-1])) - --p; - progname = p; - - xmalloc_set_program_name (progname); - - /* Unlock the stdio streams. */ - unlock_std_streams (); - - gcc_init_libintl (); - - diagnostic_initialize (global_dc, 0); - - if (argc <= 1) - { - fprintf (stderr, _("jcf-dump: no classes specified\n")); - usage (); - } - - jcf_path_init (); - - /* We use getopt_long_only to allow single `-' long options. For - some of our options this is more natural. */ - while ((opt = getopt_long_only (argc, argv, "o:I:vc", options, NULL)) != -1) - { - switch (opt) - { - case 0: - /* Already handled. */ - break; - - case 'o': - output_file = optarg; - break; - - case 'I': - jcf_path_include_arg (optarg); - break; - - case 'v': - verbose++; - break; - - case 'c': - flag_disassemble_methods = 1; - break; - - case OPT_classpath: - jcf_path_classpath_arg (optarg); - break; - - case OPT_bootclasspath: - jcf_path_bootclasspath_arg (optarg); - break; - - case OPT_extdirs: - jcf_path_extdirs_arg (optarg); - break; - - case OPT_HELP: - help (); - break; - - case OPT_VERSION: - version (); - break; - - case OPT_JAVAP: - flag_javap_compatible++; - flag_print_constant_pool = 0; - flag_print_attributes = 0; - break; - - default: - usage (); - } - } - - if (verbose && ! flag_javap_compatible) - flag_print_constant_pool = 1; - - if (optind == argc) - { - fprintf (stderr, _("jcf-dump: no classes specified\n")); - usage (); - } - - jcf_path_seal (verbose); - - if (flag_print_main) - { - flag_print_fields = 0; - flag_print_methods = 0; - flag_print_constant_pool = 0; - flag_print_attributes = 0; - flag_print_class_info = 0; - } - - if (output_file) - { - out = fopen (output_file, "w"); - if (! out) - { - fprintf (stderr, _("Cannot open '%s' for output.\n"), output_file); - return FATAL_EXIT_CODE; - } - } - else - out = stdout; - - if (optind >= argc) - { - fprintf (out, "Reading .class from <standard input>.\n"); - open_class ("<stdio>", jcf, 0, NULL); - process_class (jcf); - } - else - { - for (argi = optind; argi < argc; argi++) - { - char *arg = argv[argi]; - const char *class_filename = find_class (arg, strlen (arg), jcf); - if (class_filename == NULL) - class_filename = find_classfile (arg, jcf, NULL); - if (class_filename == NULL) - { - perror ("Could not find class"); - return FATAL_EXIT_CODE; - } - JCF_FILL (jcf, 4); - if (GET_u4 (jcf->read_ptr) == ZIPMAGIC) - { - long compressed_size, member_size; - int compression_method, filename_length, extra_length; - const char *filename; - int total_length; - if (flag_print_class_info) - fprintf (out, "Reading classes from archive %s.\n", - class_filename); - for (;;) - { - int skip = 0; - jcf_filbuf_t save_filbuf = jcf->filbuf; - long magic = JCF_readu4_le (jcf); - if (magic == 0x02014b50 || magic == 0x06054b50) - break; /* got to central directory */ - if (magic != 0x04034b50) /* ZIPMAGIC (little-endian) */ - { - fprintf (stderr, _("bad format of .zip/.jar archive\n")); - return FATAL_EXIT_CODE; - } - JCF_FILL (jcf, 26); - JCF_SKIP (jcf, 2); - (void) /* general_purpose_bits = */ JCF_readu2_le (jcf); - compression_method = JCF_readu2_le (jcf); - JCF_SKIP (jcf, 8); - compressed_size = JCF_readu4_le (jcf); - member_size = JCF_readu4_le (jcf); - filename_length = JCF_readu2_le (jcf); - extra_length = JCF_readu2_le (jcf); - total_length = filename_length + extra_length - + compressed_size; - if (jcf->read_end - jcf->read_ptr < total_length) - jcf_trim_old_input (jcf); - JCF_FILL (jcf, total_length); - filename = (const char *) jcf->read_ptr; - JCF_SKIP (jcf, filename_length); - JCF_SKIP (jcf, extra_length); - if (filename_length > 0 - && filename[filename_length-1] == '/') - { - if (flag_print_class_info) - fprintf (out, "[Skipping directory %.*s]\n", - filename_length, filename); - skip = 1; - } - else if (compression_method != 0) - { - if (flag_print_class_info) - fprintf (out, "[Skipping compressed file %.*s]\n", - filename_length, filename); - skip = 1; - } - else if (member_size < 4 - || GET_u4 (jcf->read_ptr) != 0xcafebabe) - { - if (flag_print_class_info) - fprintf (out, "[Skipping non-.class member %.*s]\n", - filename_length, filename); - skip = 1; - } - else - { - if (flag_print_class_info) - fprintf (out, "Reading class member: %.*s.\n", - filename_length, filename); - } - if (skip) - { - JCF_SKIP (jcf, compressed_size); - } - else - { - unsigned char *save_end; - jcf->filbuf = jcf_unexpected_eof; - save_end = jcf->read_end; - jcf->read_end = jcf->read_ptr + compressed_size; - process_class (jcf); - jcf->filbuf = save_filbuf; - jcf->read_end = save_end; - } - } - } - else - { - if (flag_print_class_info) - fprintf (out, "Reading .class from %s.\n", class_filename); - process_class (jcf); - } - JCF_FINISH(jcf); - } - } - - return SUCCESS_EXIT_CODE; -} - - - -static void -disassemble_method (JCF* jcf, const unsigned char *byte_ops, int len) -{ -#undef PTR - int PC; - int i; - int saw_wide = 0; - if (flag_disassemble_methods == 0) - return; -#define BCODE byte_ops - for (PC = 0; PC < len;) - { - int oldpc = PC; - int saw_index; - jint INT_temp; - switch (byte_ops[PC++]) - { - -/* This is the actual code emitted for each of opcodes in javaops.def. - The actual opcode-specific stuff is handled by the OPKIND macro. - I.e. for an opcode whose OPKIND is BINOP, the BINOP will be called. - Those macros are defined below. The OPKINDs that do not have any - inline parameters (such as BINOP) and therefore do mot need anything - else to me printed out just use an empty body. */ - -#define JAVAOP(OPNAME, OPCODE, OPKIND, OPERAND_TYPE, OPERAND_VALUE) \ - case OPCODE: \ - fprintf (out, "%3d: %s", oldpc, #OPNAME); \ - OPKIND(OPERAND_TYPE, OPERAND_VALUE); \ - fputc ('\n', out); \ - break; - -#define CONST_INDEX_1 (saw_index = 1, IMMEDIATE_u1) -#define CONST_INDEX_2 (saw_index = 1, IMMEDIATE_u2) -#define VAR_INDEX_1 (saw_index = 1, IMMEDIATE_u1) -#define VAR_INDEX_2 (saw_index = 1, IMMEDIATE_u2) - -#define CHECK_PC_IN_RANGE(PC) (PC < 0 || PC > len ? \ - (fprintf(stderr, _("Bad byte codes.\n")), exit(-1), 0) : 1) - -/* Print out operand (if not implied by the opcode) for PUSCH opcodes. - These all push a constant onto the opcode stack. */ -#define PUSHC(OPERAND_TYPE, OPERAND_VALUE) \ - saw_index = 0, i = (OPERAND_VALUE); \ - if (oldpc+1 == PC) /* nothing */; \ - else if (saw_index) fprintf (out, " "), print_constant_ref (out, jcf, i); \ - else fprintf (out, " %d", i); - -/* Print out operand (a local variable index) for LOAD opcodes. - These all push local variable onto the opcode stack. */ -#define LOAD(OPERAND_TYPE, OPERAND_VALUE) \ - INT_temp = saw_wide ? IMMEDIATE_u2 : (OPERAND_VALUE); goto load_store; - -/* Handle STORE opcodes same as LOAD opcodes. - These all store a value from the opcode stack in a local variable. */ -#define STORE LOAD - -/* Handle more kind of opcodes. */ -#define STACK(OPERAND_TYPE, OPERAND_VALUE) /* nothing */ -#define UNOP(OPERAND_TYPE, OPERAND_VALUE) /* nothing */ -#define BINOP(OPERAND_TYPE, OPERAND_VALUE) /* nothing */ -#define CONVERT(OPERAND_TYPE, OPERAND_VALUE) /* nothing */ -#define CONVERT2(OPERAND_TYPE, OPERAND_VALUE) /* nothing */ -#define RETURN(OPERAND_TYPE, OPERAND_VALUE) /* nothing */ -#define UNKNOWN(OPERAND_TYPE, OPERAND_VALUE) /* nothing */ - -/* Handle putfield and getfield opcodes, with static versions. */ -#define FIELD(MAYBE_STATIC, PUT_OR_GET) \ - fputc (' ', out); print_constant_ref (out, jcf, IMMEDIATE_u2) - -/* Print operand for invoke opcodes. */ -#define INVOKE(OPERAND_TYPE, OPERAND_VALUE) \ - fputc (' ', out); print_constant_ref (out, jcf, IMMEDIATE_u2);\ - if (OPERAND_VALUE) /* for invokeinterface */ \ - { int nargs = IMMEDIATE_u1; PC++; \ - fprintf (out, " nargs:%d", nargs); } - -#define OBJECT(OPERAND_TYPE, OPERAND_VALUE) \ - fputc (' ', out); print_constant_ref (out, jcf, IMMEDIATE_u2); - -#define ARRAY(OPERAND_TYPE, SUBOP) \ - ARRAY_##SUBOP(OPERAND_TYPE) -/* Handle sub-categories of ARRAY opcodes. */ -#define ARRAY_LOAD(TYPE) /* nothing */ -#define ARRAY_STORE(TYPE) /* nothing */ -#define ARRAY_LENGTH(TYPE) /* nothing */ -#define ARRAY_NEW(TYPE) ARRAY_NEW_##TYPE -#define ARRAY_NEW_NUM \ - INT_temp = IMMEDIATE_u1; \ - { switch ((int) INT_temp) { \ - case 4: fputs (" boolean", out); break; \ - case 5: fputs (" char", out); break; \ - case 6: fputs (" float", out); break; \ - case 7: fputs (" double", out); break; \ - case 8: fputs (" byte", out); break; \ - case 9: fputs (" short", out); break; \ - case 10: fputs (" int", out); break; \ - case 11: fputs (" long", out); break; \ - default: fprintf (out, " <unknown type code %ld>", (long)INT_temp); break;\ - } } - -#define ARRAY_NEW_PTR \ - fputc (' ', out); print_constant_ref (out, jcf, IMMEDIATE_u2); - -#define ARRAY_NEW_MULTI \ - fputc (' ', out); print_constant_ref (out, jcf, IMMEDIATE_u2); \ - fprintf (out, " %d", IMMEDIATE_u1); /* number of dimensions */ - -#define TEST(OPERAND_TYPE, OPERAND_VALUE) \ - fprintf (out, " %d", oldpc + IMMEDIATE_s2) - -#define BRANCH(OPERAND_TYPE, OPERAND_VALUE) \ - saw_index = 0, INT_temp = (OPERAND_VALUE); \ - fprintf (out, " %ld", (long) (saw_index ? INT_temp : oldpc + INT_temp)) - -#define JSR(OPERAND_TYPE, OPERAND_VALUE) \ - saw_index = 0, INT_temp = (OPERAND_VALUE); \ - fprintf (out, " %ld", (long) (saw_index ? INT_temp : oldpc + INT_temp)) - -#undef RET /* Defined by config/i386/i386.h */ -#define RET(OPERAND_TYPE, OPERAND_VALUE) \ - INT_temp = saw_wide ? IMMEDIATE_u2 : (OPERAND_VALUE); \ - saw_wide = 0; \ - fprintf (out, " %ld", (long) INT_temp); - -#define SWITCH(OPERAND_TYPE, TABLE_OR_LOOKUP) \ - PC = (PC + 3) / 4 * 4; TABLE_OR_LOOKUP##_SWITCH - -#define LOOKUP_SWITCH \ - { jint default_offset = IMMEDIATE_s4; jint npairs = IMMEDIATE_s4; \ - fprintf (out, " npairs=%ld, default=%ld", (long) npairs, (long) default_offset+oldpc); \ - while (--npairs >= 0) { \ - jint match = IMMEDIATE_s4; jint offset = IMMEDIATE_s4; \ - fprintf (out, "\n%10ld: %ld", (long)match, (long)(offset+oldpc)); } \ - } - -#define TABLE_SWITCH \ - { jint default_offset = IMMEDIATE_s4; \ - jint low = IMMEDIATE_s4; jint high = IMMEDIATE_s4; \ - fprintf (out, " low=%ld, high=%ld, default=%ld", \ - (long) low, (long) high, (long) default_offset+oldpc); \ - for (; low <= high; low++) { \ - jint offset = IMMEDIATE_s4; \ - fprintf (out, "\n%10ld: %ld", (long)low, (long)(offset+oldpc)); } \ - } - -#define SPECIAL(OPERAND_TYPE, OPERAND_VALUE) \ - SPECIAL_##OPERAND_VALUE(OPERAND_TYPE) - -#define SPECIAL_IINC(OPERAND_TYPE) \ - i = saw_wide ? IMMEDIATE_u2 : IMMEDIATE_u1; \ - fprintf (out, " %d", i); \ - i = saw_wide ? IMMEDIATE_s2 : IMMEDIATE_s1; \ - saw_wide = 0; \ - fprintf (out, " %d", i) - -#define SPECIAL_WIDE(OPERAND_TYPE) \ - saw_wide = 1; - -#define SPECIAL_EXIT(OPERAND_TYPE) /* nothing */ -#define SPECIAL_ENTER(OPERAND_TYPE) /* nothing */ -#define SPECIAL_BREAK(OPERAND_TYPE) /* nothing */ -#define SPECIAL_THROW(OPERAND_TYPE) /* nothing */ - -#define IMPL(OPERAND_TYPE, OPERAND_VALUE) \ - fprintf (out, " %d", IMMEDIATE_u##OPERAND_VALUE) - -#define COND(OPERAND_TYPE, OPERAND_VALUE) \ - TEST(OPERAND_TYPE, OPERAND_VALUE) - -#include "javaop.def" - - load_store: - if (oldpc+1 == PC) /* nothing - local index implied by opcode */; - else - { - saw_wide = 0; - fprintf (out, " %ld", (long) INT_temp); - } - fputc ('\n', out); - break; - - default: - fprintf (out, "%3d: unknown(%3d)\n", oldpc, byte_ops[PC]); - } - } -} |