+++ /dev/null
-/* Specific flags and argument handling of the front-end of the
- GNU compiler for the Java(TM) language.
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC 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 2, or (at your option)
-any later version.
-
-GNU CC 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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.
-
-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. */
-
-#include "config.h"
-#include "system.h"
-#include "gcc.h"
-
-/* Name of spec file. */
-#define SPEC_FILE "libgcj.spec"
-
-/* This bit is set if we saw a `-xfoo' language specification. */
-#define LANGSPEC (1<<1)
-/* True if this arg is a parameter to the previous option-taking arg. */
-#define PARAM_ARG (1<<2)
-/* True if this arg is a .java input file name. */
-#define JAVA_FILE_ARG (1<<3)
-/* True if this arg is a .class input file name. */
-#define CLASS_FILE_ARG (1<<4)
-/* True if this arg is a .zip or .jar input file name. */
-#define ZIP_FILE_ARG (1<<5)
-/* True if this arg is @FILE - where FILE contains a list of filenames. */
-#define INDIRECT_FILE_ARG (1<<6)
-/* True if this arg is a resource file. */
-#define RESOURCE_FILE_ARG (1<<7)
-
-static char *find_spec_file PARAMS ((const char *));
-static int verify_class_name PARAMS ((const char *));
-
-static const char *main_class_name = NULL;
-int lang_specific_extra_outfiles = 0;
-
-/* True if we should add -shared-libgcc to the command-line. */
-int shared_libgcc = 1;
-
-static const char jvgenmain_spec[] =
- "jvgenmain %{D*} %b %{!pipe:%u.i} |\n\
- cc1 %{!pipe:%U.i} %1 \
- %{!Q:-quiet} -dumpbase %b.c %{d*} %{m*} %{a*}\
- %{g*} %{O*} \
- %{v:-version} %{pg:-p} %{p}\
- %{<fbounds-check} %{<fno-bounds-check}\
- %{<fassume-compiled} %{<fno-assume-compiled}\
- %{<fcompile-resource*}\
- %{<femit-class-file} %{<femit-class-files} %{<fencoding*}\
- %{<fuse-boehm-gc} %{<fhash-synchronization} %{<fjni}\
- %{<findirect-dispatch} \
- %{<fno-store-check} %{<foutput-class-dir}\
- %{<fclasspath*} %{<fCLASSPATH*} %{<fbootclasspath*}\
- %{<fextdirs*}\
- %{<fuse-divide-subroutine} %{<fno-use-divide-subroutine}\
- %{<fcheck-references} %{<fno-check-references}\
- %{<ffilelist-file}\
- %{f*} -fdollars-in-identifiers\
- %{aux-info*}\
- %{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
- %{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%g.s}} |\n\
- %{!S:as %a %Y -o %d%w%u%O %{!pipe:%g.s} %A\n }";
-
-/* Return full path name of spec file if it is in DIR, or NULL if
- not. */
-static char *
-find_spec_file (dir)
- const char *dir;
-{
- char *spec;
- int x;
- struct stat sb;
-
- spec = (char *) xmalloc (strlen (dir) + sizeof (SPEC_FILE)
- + sizeof ("-specs=") + 4);
- strcpy (spec, "-specs=");
- x = strlen (spec);
- strcat (spec, dir);
- strcat (spec, "/");
- strcat (spec, SPEC_FILE);
- if (! stat (spec + x, &sb))
- return spec;
- free (spec);
- return NULL;
-}
-
-/* FIXME: these should come from lex.h. */
-#define JAVA_START_CHAR_P(c) (c < 128 && (ISIDST (c) || c == '$'))
-#define JAVA_PART_CHAR_P(c) (c < 128 \
- && (ISIDNUM (c) \
- || c == '$' \
- || (c >= 0x00 && c <= 0x08) \
- || (c >= 0x0e && c <= 0x1b) \
- || c == 0x7f))
-
-/* Verify that NAME is a valid Java class name that might contain
- `main'. Return 0 on failure. */
-static int
-verify_class_name (name)
- const char *name;
-{
- /* FIXME: what encoding do we use for command-line arguments? For
- now we assume plain ASCII, which of course is wrong. */
- while (*name)
- {
- int ch = *name++;
- if (ch < 0 || ! JAVA_START_CHAR_P (ch))
- return 0;
- while (*name)
- {
- ch = *name++;
- if (ch < 0)
- return 0;
- /* We found a break between class names. Next character
- must be an identifier start again. */
- if (ch == '.')
- break;
- if (! JAVA_PART_CHAR_P (ch))
- return 0;
- }
- }
-
- return 1;
-}
-
-void
-lang_specific_driver (in_argc, in_argv, in_added_libraries)
- int *in_argc;
- const char *const **in_argv;
- int *in_added_libraries;
-{
- int i, j;
-
- /* If non-zero, the user gave us the `-v' flag. */
- int saw_verbose_flag = 0;
-
- int saw_save_temps = 0;
-
- /* This will be 0 if we encounter a situation where we should not
- link in libgcj. */
- int library = 1;
-
- /* This will be 1 if multiple input files (.class and/or .java)
- should be passed to a single jc1 invocation. */
- int combine_inputs = 0;
-
- /* Index of last .java or .class argument. */
- int last_input_index;
-
- /* Number of .java and .class source file arguments seen. */
- int java_files_count = 0;
- int class_files_count = 0;
- /* Number of .zip or .jar file arguments seen. */
- int zip_files_count = 0;
- /* Number of '@FILES' arguments seen. */
- int indirect_files_count = 0;
-
- /* Name of file containing list of files to compile. */
- char *filelist_filename = 0;
-
- FILE *filelist_file = 0;
-
- /* The number of arguments being added to what's in argv, other than
- libraries. */
- int added = 2;
-
- /* Used to track options that take arguments, so we don't go wrapping
- those with -xc++/-xnone. */
- const char *quote = NULL;
-
- /* The new argument list will be contained in this. */
- const char **arglist;
-
- /* Non-zero if we saw a `-xfoo' language specification on the
- command line. Used to avoid adding our own -xc++ if the user
- already gave a language for the file. */
- int saw_speclang = 0;
-
-#if 0
- /* "-lm" or "-lmath" if it appears on the command line. */
- const char *saw_math ATTRIBUTE_UNUSED = 0;
-
- /* "-lc" if it appears on the command line. */
- const char *saw_libc ATTRIBUTE_UNUSED = 0;
-
- /* "-lgcjgc" if it appears on the command line. */
- const char *saw_gc ATTRIBUTE_UNUSED = 0;
-
- /* Saw `-l' option for the thread library. */
- const char *saw_threadlib ATTRIBUTE_UNUSED = 0;
-
- /* Saw `-lgcj' on command line. */
- int saw_libgcj ATTRIBUTE_UNUSED = 0;
-#endif
-
- /* Saw --resource, -C or -o options, respectively. */
- int saw_resource = 0;
- int saw_C = 0;
- int saw_o = 0;
-
- /* Saw some -O* or -g* option, respectively. */
- int saw_O = 0;
- int saw_g = 0;
-
- /* Saw a `-D' option. */
- int saw_D = 0;
-
- /* An array used to flag each argument that needs a bit set for
- LANGSPEC, MATHLIB, WITHLIBC, or GCLIB. */
- int *args;
-
- /* The total number of arguments with the new stuff. */
- int argc;
-
- /* The argument list. */
- const char *const *argv;
-
- /* The number of libraries added in. */
- int added_libraries;
-
- /* The total number of arguments with the new stuff. */
- int num_args = 1;
-
- /* Non-zero if linking is supposed to happen. */
- int will_link = 1;
-
- /* Non-zero if we want to find the spec file. */
- int want_spec_file = 1;
-
- /* The argument we use to specify the spec file. */
- char *spec_file = NULL;
-
- argc = *in_argc;
- argv = *in_argv;
- added_libraries = *in_added_libraries;
-
- args = (int *) xcalloc (argc, sizeof (int));
-
- for (i = 1; i < argc; i++)
- {
- /* If the previous option took an argument, we swallow it here. */
- if (quote)
- {
- quote = NULL;
- args[i] |= PARAM_ARG;
- continue;
- }
-
- /* We don't do this anymore, since we don't get them with minus
- signs on them. */
- if (argv[i][0] == '\0' || argv[i][1] == '\0')
- continue;
-
- if (argv[i][0] == '-')
- {
- if (library != 0 && (strcmp (argv[i], "-nostdlib") == 0
- || strcmp (argv[i], "-nodefaultlibs") == 0))
- {
- library = 0;
- }
- else if (strncmp (argv[i], "-fmain=", 7) == 0)
- {
- main_class_name = argv[i] + 7;
- added--;
- }
- else if (strcmp (argv[i], "-fhelp") == 0)
- want_spec_file = 0;
- else if (strcmp (argv[i], "-v") == 0)
- {
- saw_verbose_flag = 1;
- if (argc == 2)
- {
- /* If they only gave us `-v', don't try to link
- in libgcj. */
- library = 0;
- }
- }
- else if (strncmp (argv[i], "-x", 2) == 0)
- saw_speclang = 1;
- else if (strcmp (argv[i], "-C") == 0)
- {
- saw_C = 1;
- want_spec_file = 0;
- if (library != 0)
- added -= 2;
- library = 0;
- will_link = 0;
- }
- else if (strncmp (argv[i], "-fcompile-resource=", 19) == 0)
- {
- saw_resource = 1;
- want_spec_file = 0;
- if (library != 0)
- --added;
- library = 0;
- will_link = 0;
- }
- else if (argv[i][1] == 'D')
- saw_D = 1;
- else if (argv[i][1] == 'g')
- saw_g = 1;
- else if (argv[i][1] == 'O')
- saw_O = 1;
- else if ((argv[i][2] == '\0'
- && (char *)strchr ("bBVDUoeTuIYmLiA", argv[i][1]) != NULL)
- || strcmp (argv[i], "-Tdata") == 0
- || strcmp (argv[i], "-MT") == 0
- || strcmp (argv[i], "-MF") == 0)
- {
- if (strcmp (argv[i], "-o") == 0)
- saw_o = 1;
- quote = argv[i];
- }
- else if (strcmp(argv[i], "-classpath") == 0
- || strcmp(argv[i], "-bootclasspath") == 0
- || strcmp(argv[i], "-CLASSPATH") == 0)
- {
- quote = argv[i];
- added -= 1;
- }
- else if (library != 0
- && ((argv[i][2] == '\0'
- && (char *) strchr ("cSEM", argv[i][1]) != NULL)
- || strcmp (argv[i], "-MM") == 0))
- {
- /* Don't specify libraries if we won't link, since that would
- cause a warning. */
- library = 0;
- added -= 2;
-
- /* Remember this so we can confirm -fmain option. */
- will_link = 0;
- }
- else if (strcmp (argv[i], "-d") == 0)
- {
- /* `-d' option is for javac compatibility. */
- quote = argv[i];
- added -= 1;
- }
- else if (strcmp (argv[i], "-fsyntax-only") == 0
- || strcmp (argv[i], "--syntax-only") == 0)
- {
- want_spec_file = 0;
- library = 0;
- will_link = 0;
- continue;
- }
- else if (strcmp (argv[i], "-save-temps") == 0)
- saw_save_temps = 1;
- else if (strcmp (argv[i], "-static-libgcc") == 0
- || strcmp (argv[i], "-static") == 0)
- shared_libgcc = 0;
- else
- /* Pass other options through. */
- continue;
- }
- else
- {
- int len;
-
- if (saw_speclang)
- {
- saw_speclang = 0;
- continue;
- }
-
- if (saw_resource)
- {
- args[i] |= RESOURCE_FILE_ARG;
- last_input_index = i;
- added += 2; /* for -xjava and -xnone */
- }
-
- if (argv[i][0] == '@')
- {
- args[i] |= INDIRECT_FILE_ARG;
- indirect_files_count++;
- added += 2; /* for -xjava and -xnone */
- }
-
- len = strlen (argv[i]);
- if (len > 5 && strcmp (argv[i] + len - 5, ".java") == 0)
- {
- args[i] |= JAVA_FILE_ARG;
- java_files_count++;
- last_input_index = i;
- }
- if (len > 6 && strcmp (argv[i] + len - 6, ".class") == 0)
- {
- args[i] |= CLASS_FILE_ARG;
- class_files_count++;
- last_input_index = i;
- }
- if (len > 4
- && (strcmp (argv[i] + len - 4, ".zip") == 0
- || strcmp (argv[i] + len - 4, ".jar") == 0))
- {
- args[i] |= ZIP_FILE_ARG;
- zip_files_count++;
- last_input_index = i;
- }
- }
- }
-
- if (quote)
- fatal ("argument to `%s' missing\n", quote);
-
- if (saw_D && ! main_class_name)
- fatal ("can't specify `-D' without `--main'\n");
-
- if (main_class_name && ! verify_class_name (main_class_name))
- fatal ("`%s' is not a valid class name", main_class_name);
-
- num_args = argc + added;
- if (saw_resource)
- {
- if (! saw_o)
- fatal ("--resource requires -o");
- }
- if (saw_C)
- {
- num_args += 3;
- if (class_files_count + zip_files_count > 0)
- {
- error ("warning: already-compiled .class files ignored with -C");
- num_args -= class_files_count + zip_files_count;
- class_files_count = 0;
- zip_files_count = 0;
- }
- num_args += 2; /* For -o NONE. */
- if (saw_o)
- fatal ("cannot specify both -C and -o");
- }
- if ((saw_o && java_files_count + class_files_count + zip_files_count > 1)
- || (saw_C && java_files_count > 1)
- || (indirect_files_count > 0
- && java_files_count + class_files_count + zip_files_count > 0))
- combine_inputs = 1;
-
- if (combine_inputs)
- {
- filelist_filename = make_temp_file ("jx");
- if (filelist_filename == NULL)
- fatal ("cannot create temporary file");
- record_temp_file (filelist_filename, ! saw_save_temps, 0);
- filelist_file = fopen (filelist_filename, "w");
- if (filelist_file == NULL)
- pfatal_with_name (filelist_filename);
- num_args -= java_files_count + class_files_count + zip_files_count;
- num_args += 2; /* for the combined arg and "-xjava" */
- }
- /* If we know we don't have to do anything, bail now. */
-#if 0
- if (! added && ! library && main_class_name == NULL && ! saw_C)
- {
- free (args);
- return;
- }
-#endif
-
- if (main_class_name)
- {
- lang_specific_extra_outfiles++;
- }
- if (saw_g + saw_O == 0)
- num_args++;
- num_args++;
-
- if (combine_inputs || indirect_files_count > 0)
- num_args += 1; /* for "-ffilelist-file" */
- if (combine_inputs && indirect_files_count > 0)
- fatal("using both @FILE with multiple files not implemented");
-
- /* There's no point adding -shared-libgcc if we don't have a shared
- libgcc. */
-#ifndef ENABLE_SHARED_LIBGCC
- shared_libgcc = 0;
-#endif
-
- num_args += shared_libgcc;
-
- arglist = (const char **) xmalloc ((num_args + 1) * sizeof (char *));
- j = 0;
-
- for (i = 0; i < argc; i++, j++)
- {
- arglist[j] = argv[i];
-
- if ((args[i] & PARAM_ARG) || i == 0)
- continue;
-
- if ((args[i] & RESOURCE_FILE_ARG) != 0)
- {
- arglist[j++] = "-xjava";
- arglist[j++] = argv[i];
- arglist[j] = "-xnone";
- }
-
- if (strcmp (argv[i], "-classpath") == 0
- || strcmp (argv[i], "-bootclasspath") == 0
- || strcmp (argv[i], "-CLASSPATH") == 0)
- {
- arglist[j] = concat ("-f", argv[i]+1, "=", argv[i+1], NULL);
- i++;
- continue;
- }
-
- if (strcmp (argv[i], "-d") == 0)
- {
- arglist[j] = concat ("-foutput-class-dir=", argv[i + 1], NULL);
- ++i;
- continue;
- }
-
- if (spec_file == NULL && strncmp (argv[i], "-L", 2) == 0)
- spec_file = find_spec_file (argv[i] + 2);
-
- if (strncmp (argv[i], "-fmain=", 7) == 0)
- {
- if (! will_link)
- fatal ("cannot specify `main' class when not linking");
- --j;
- continue;
- }
-
- if ((args[i] & INDIRECT_FILE_ARG) != 0)
- {
- arglist[j++] = "-xjava";
- arglist[j++] = argv[i]+1; /* Drop '@'. */
- arglist[j] = "-xnone";
- }
-
- if ((args[i] & (CLASS_FILE_ARG|ZIP_FILE_ARG)) && saw_C)
- {
- --j;
- continue;
- }
-
- if (combine_inputs
- && (args[i] & (CLASS_FILE_ARG|JAVA_FILE_ARG|ZIP_FILE_ARG)) != 0)
- {
- fputs (argv[i], filelist_file);
- fputc ('\n', filelist_file);
- --j;
- continue;
- }
- }
-
- if (combine_inputs || indirect_files_count > 0)
- arglist[j++] = "-ffilelist-file";
-
- if (combine_inputs)
- {
- if (fclose (filelist_file))
- pfatal_with_name (filelist_filename);
- arglist[j++] = "-xjava";
- arglist[j++] = filelist_filename;
- }
-
- /* If we saw no -O or -g option, default to -g1, for javac compatibility. */
- if (saw_g + saw_O == 0)
- arglist[j++] = "-g1";
-
- /* Read the specs file corresponding to libgcj.
- If we didn't find the spec file on the -L path, then we hope it
- is somewhere in the standard install areas. */
- if (want_spec_file)
- arglist[j++] = spec_file == NULL ? "-specs=libgcj.spec" : spec_file;
-
- if (saw_C)
- {
- arglist[j++] = "-fsyntax-only";
- arglist[j++] = "-femit-class-files";
- arglist[j++] = "-S";
- arglist[j++] = "-o";
- arglist[j++] = "NONE";
- }
-
- if (shared_libgcc)
- arglist[j++] = "-shared-libgcc";
-
- arglist[j] = NULL;
-
- *in_argc = j;
- *in_argv = arglist;
- *in_added_libraries = added_libraries;
-}
-
-int
-lang_specific_pre_link ()
-{
- int err;
- if (main_class_name == NULL)
- return 0;
- /* Append `main' to make the filename unique and allow
-
- gcj --main=hello -save-temps hello.java
-
- to work. jvgenmain needs to strip this `main' to arrive at the correct
- class name. Append dummy `.c' that can be stripped by set_input so %b
- is correct. */
- set_input (concat (main_class_name, "main.c", NULL));
- err = do_spec (jvgenmain_spec);
- if (err == 0)
- {
- /* Shift the outfiles array so the generated main comes first.
- This is important when linking against (non-shared) libraries,
- since otherwise we risk (a) nothing getting linked or
- (b) 'main' getting picked up from a library. */
- int i = n_infiles;
- const char *generated = outfiles[i];
- while (--i >= 0)
- outfiles[i + 1] = outfiles[i];
- outfiles[0] = generated;
- }
- return err;
-}
projects / msp430-gcc.git / blobdiff