diff options
Diffstat (limited to 'gcc/java')
| -rw-r--r-- | gcc/java/ChangeLog | 13 | ||||
| -rw-r--r-- | gcc/java/Make-lang.in | 14 | ||||
| -rw-r--r-- | gcc/java/gcj.texi | 97 |
3 files changed, 119 insertions, 5 deletions
diff --git a/gcc/java/ChangeLog b/gcc/java/ChangeLog index 724403a..fb30719b 100644 --- a/gcc/java/ChangeLog +++ b/gcc/java/ChangeLog @@ -1,5 +1,18 @@ 2004-12-06 Tom Tromey <tromey@redhat.com> + * Make-lang.in (JAVA_MANFILES): Added gcj-dbtool. + (java.uninstall): Likewise. + (java.maintainer-clean): Likewise. + (.INTERMEDIATE): Likewise. + (java.install-man): Likewise. + (gcj-dbtool.pod): New target. + * gcj.texi (Code Generation): Document -findirect-dispatch. + (libgcj Runtime Properties): Document + gnu.gcj.precompiled.db.path. + (Top): Link to "Invoking gcj-dbtool". + +2004-12-06 Tom Tromey <tromey@redhat.com> + PR java/14853: * java-tree.h (extract_field_decl): Declare. * parse.y (extract_field_decl): Renamed from diff --git a/gcc/java/Make-lang.in b/gcc/java/Make-lang.in index 8adcf44..a9c47cf 100644 --- a/gcc/java/Make-lang.in +++ b/gcc/java/Make-lang.in @@ -177,7 +177,8 @@ java.srcinfo: doc/gcj.info dvi:: doc/gcj.dvi html:: $(htmldir)/java/index.html JAVA_MANFILES = doc/gcj.1 doc/gcjh.1 doc/jv-scan.1 doc/jcf-dump.1 doc/gij.1 \ - doc/jv-convert.1 doc/grmic.1 doc/grmiregistry.1 + doc/jv-convert.1 doc/grmic.1 doc/grmiregistry.1 \ + doc/gcj-dbtool.1 java.man: $(JAVA_MANFILES) @@ -237,6 +238,7 @@ java.uninstall: -rm -rf $(DESTDIR)$(man1dir)/jcf-dump$(man1ext) -rm -rf $(DESTDIR)$(man1dir)/gij$(man1ext) -rm -rf $(DESTDIR)$(man1dir)/jv-convert$(man1ext) + -rm -rf $(DESTDIR)$(man1dir)/gcj-dbtool$(man1ext) install-info:: $(DESTDIR)$(infodir)/gcj.info @@ -261,6 +263,7 @@ java.maintainer-clean: -rm -f $(docobjdir)/jv-convert.1 -rm -f $(docobjdir)/grmic.1 -rm -f $(docobjdir)/grmiregistry.1 + -rm -f $(docobjdir)/gcj-dbtool.1 # # Stage hooks: # The main makefile has already created stage?/java. @@ -400,7 +403,7 @@ $(htmldir)/java/index.html: $(TEXI_JAVA_FILES) $(TEXI2HTML) -I $(docdir)/include -I $(srcdir)/java -o $(@D) $< .INTERMEDIATE: gcj.pod gcjh.pod jv-scan.pod jcf-dump.pod gij.pod \ - jv-convert.pod grmic.pod grmiregistry.pod + jv-convert.pod grmic.pod grmiregistry.pod gcj-dbtool.pod gcj.pod: java/gcj.texi -$(TEXI2POD) -D gcj < $< > $@ @@ -418,14 +421,17 @@ grmic.pod: java/gcj.texi -$(TEXI2POD) -D grmic < $< > $@ grmiregistry.pod: java/gcj.texi -$(TEXI2POD) -D grmiregistry < $< > $@ +gcj-dbtool.pod: java/gcj.texi + -$(TEXI2POD) -D gcj-dbtool < $< > $@ # Install the man pages. java.install-man: installdirs \ $(DESTDIR)$(man1dir)/$(JAVA_INSTALL_NAME)$(man1ext) \ $(JAVA_TARGET_INDEPENDENT_BIN_TOOLS:%=doc/%.1) \ - doc/gij.1 doc/jv-convert.1 doc/grmic.1 doc/grmiregistry.1 + doc/gij.1 doc/jv-convert.1 doc/grmic.1 doc/grmiregistry.1 \ + doc/gcj-dbtool.1 for tool in $(JAVA_TARGET_INDEPENDENT_BIN_TOOLS) \ - gij jv-convert grmic grmiregistry ; do \ + gij jv-convert grmic grmiregistry gcj-dbtool ; do \ tool_transformed_name=`echo $$tool|sed '$(program_transform_name)'`; \ man_name=$(DESTDIR)$(man1dir)/$${tool_transformed_name}$(man1ext); \ rm -f $$man_name ; \ diff --git a/gcc/java/gcj.texi b/gcc/java/gcj.texi index 370585a..ae9cae7 100644 --- a/gcc/java/gcj.texi +++ b/gcc/java/gcj.texi @@ -64,6 +64,8 @@ man page gfdl(7). * jcf-dump: (gcj)Invoking jcf-dump. Print information about Java class files * gij: (gcj)Invoking gij. GNU interpreter for Java bytecode +* gcj-dbtool: (gcj)Invoking gcj-dbtool. + Tool for manipulating class file databases. * jv-convert: (gcj)Invoking jv-convert. Convert file from one encoding to another * grmic: (gcj)Invoking grmic. @@ -112,8 +114,9 @@ files and object files, and it can read both Java source code and * Invoking jv-scan:: Print information about source files * Invoking jcf-dump:: Print information about class files * Invoking gij:: Interpreting Java bytecodes +* Invoking gcj-dbtool:: Tool for manipulating class file databases. * Invoking jv-convert:: Converting from one encoding to another -* Invoking grmic:: Generate stubs for Remote Method Invocation. +* Invoking grmic:: Generate stubs for Remote Method Invocation. * Invoking grmiregistry:: The remote object registry. * About CNI:: Description of the Compiled Native Interface * System properties:: Modifying runtime behavior of the libgcj library @@ -492,6 +495,23 @@ and we don't support any easy way to do that. So this flag isn't very useful yet, except to partially override @code{--disable-assertions}. +@item -findirect-dispatch +@command{gcj} has a special binary compatibility ABI, which is enabled +by the @code{-findirect-dispatch} option. In this mode, the code +generated by @command{gcj} honors the binary compatibility guarantees +in the Java Language Specification, and the resulting object files do +not need to be directly linked against their dependencies. Instead, +all dependencies are looked up at runtime. This allows free mixing of +interpreted and compiled code. + +Note that, at present, @code{-findirect-dispatch} can only be used +when compiling @file{.class} files. It will not work when compiling +from source. CNI also does not yet work with the binary compatibility +ABI. These restrictions will be lifted in some future release. + +However, if you compile CNI code with the standard ABI, you can call +it from code built with the binary compatibility ABI. + @end table @@ -961,6 +981,75 @@ Each time a class is initialized, print a short message on standard error. @c man end +@node Invoking gcj-dbtool +@chapter Invoking gcj-dbtool. + +@c man title gcj-dbtool Manipulate class file mapping databases for libgcj + +@ignore +@c man begin SYNOPSIS gcj-dbtool +gcj-dbtool @option{OPTION} @var{DBFILE} [@option{MORE}] @dots{} + +gcj-dbtool [@option{-n}] [@option{-a}] [@option{-t}] [@option{-l}] + [@option{-v}] [@option{--version}] [@option{--help}] + +@c man end +@c man begin SEEALSO gij +gcc(1), gcj(1), gcjh(1), jv-scan(1), jcf-dump(1), gfdl(7), +and the Info entries for @file{gcj} and @file{gcc}. +@c man end +@end ignore + +@c man begin DESCRIPTION gcj-dbtool + +@code{gcj-dbtool} is a tool for creating and manipulating class file +mapping databases. @code{libgcj} can use these databases to find a +shared library corresponding to the bytecode representation of a +class. This functionality is useful for ahead-of-time compilation of +a program that has no knowledge of @code{gcj}. + +@code{gcj-dbtool} works best if all the jar files added to it are +compiled using @code{-findirect-dispatch}. + +Note that @code{gcj-dbtool} is currently available as ``preview +technology''. We believe it is a reasonable way to allow +application-transparent ahead-of-time compilation, but this is an +unexplored area. We welcome your comments. + +@c man end + +@c man begin OPTIONS gcj-dbtool + +@table @gcctabopt +@item -n @var{DBFILE} [@var{SIZE}] +This creates a new database. Currently, databases cannot be resized; +you can choose a larger initial size if desired. The default size is +32,749. + +@item -a @var{DBFILE} @var{JARFILE} @var{LIB} +This adds a jar file to the database. For each class file in the jar, +a cryptographic signature of the bytecode representation of the class +is recorded in the database. At runtime, a class is looked up by its +signature and the compiled form of the class is looked for in the +corresponding shared library. + +@item -t @var{DBFILE} +Test a database. + +@item -l @var{DBFILE} +List the contents of a database. + +@item --help +Print a help message, then exit. + +@item --version +@itemx -v +Print version information, then exit. + +@end table + +@c man end + @node Invoking jv-convert @chapter Invoking jv-convert @@ -2404,6 +2493,12 @@ This is the directory where cached shared library files are stored. If not set, JIT compilation is disabled. This should never be set to a directory that is writable by any other user. +@item gnu.gcj.precompiled.db.path +This is a sequence of file names, each referring to a file created by +@command{gcj-dbtool}. These files will be used by @code{libgcj} to +find shared libraries corresponding to classes that are loaded from +bytecode. + @end table |