diff options
Diffstat (limited to 'gcc/java/decl.c')
| -rw-r--r-- | gcc/java/decl.c | 57 |
1 files changed, 55 insertions, 2 deletions
diff --git a/gcc/java/decl.c b/gcc/java/decl.c index 5ec5d78..1343ebf 100644 --- a/gcc/java/decl.c +++ b/gcc/java/decl.c @@ -1,6 +1,6 @@ /* Process declarations and variables for the GNU compiler for the Java(TM) language. - Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 + Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of GCC. @@ -47,6 +47,7 @@ The Free Software Foundation is independent of Sun Microsystems, Inc. */ #include "cgraph.h" #include "tree-inline.h" #include "target.h" +#include "version.h" #if defined (DEBUG_JAVA_BINDING_LEVELS) extern void indent (void); @@ -58,6 +59,13 @@ static tree push_promoted_type (const char *, tree); static struct binding_level *make_binding_level (void); static tree create_primitive_vtable (const char *); static tree check_local_unnamed_variable (tree, tree, tree); +static void parse_version (void); + +/* Used when computing the ABI version. */ +#define GCJ_BINARYCOMPAT_ADDITION 5 + +/* The ABI version number. */ +tree gcj_abi_version; /* Name of the Cloneable class. */ tree java_lang_cloneable_identifier_node; @@ -559,6 +567,49 @@ do_nothing (tree t) return t; } +/* Parse the version string and compute the ABI version number. */ +static void +parse_version (void) +{ + const char *p = version_string; + unsigned int major = 0, minor = 0; + unsigned int abi_version; + + /* Skip leading junk. */ + while (*p && !ISDIGIT (*p)) + ++p; + gcc_assert (*p); + + /* Extract major version. */ + while (ISDIGIT (*p)) + { + major = major * 10 + *p - '0'; + ++p; + } + + gcc_assert (*p == '.' && ISDIGIT (p[1])); + ++p; + + /* Extract minor version. */ + while (ISDIGIT (*p)) + { + minor = minor * 10 + *p - '0'; + ++p; + } + + /* Implicit in this computation is the idea that we won't break the + old-style binary ABI in a sub-minor release (e.g., from 4.0.0 to + 4.0.1). */ + abi_version = 10000 * major + 10 * minor; + /* It is helpful to distinguish BC ABI from ordinary ABI at this + level, since at some point we will recognize a variety of BC ABIs + (objects generated by different version of gcj), but will + probably always require strict matching for ordinary ABI. */ + if (flag_indirect_dispatch) + abi_version += GCJ_BINARYCOMPAT_ADDITION; + + gcj_abi_version = build_int_cstu (ptr_type_node, abi_version); +} void java_init_decl_processing (void) @@ -835,7 +886,7 @@ java_init_decl_processing (void) set_super_info (0, string_type_node, object_type_node, 0); class_ptr_type = build_pointer_type (class_type_node); - PUSH_FIELD (class_type_node, field, "next", class_ptr_type); + PUSH_FIELD (class_type_node, field, "next_or_version", class_ptr_type); PUSH_FIELD (class_type_node, field, "name", utf8const_ptr_type); PUSH_FIELD (class_type_node, field, "accflags", access_flags_type_node); PUSH_FIELD (class_type_node, field, "superclass", class_ptr_type); @@ -1100,6 +1151,8 @@ java_init_decl_processing (void) #if 0 soft_fmodf_node = built_in_decls[BUILT_IN_FMODF]; #endif + + parse_version (); } |