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authorDoug Evans <dje@google.com>2012-04-25 14:07:23 +0000
committerDoug Evans <dje@google.com>2012-04-25 14:07:23 +0000
commita766d390bb857383a5f9ae80a102e1f8705f4c2e (patch)
tree056e6d8d57aee5d234d9ed4619a27306dfec3dd7 /gdb/go-lang.c
parente65f9ffb8e49431537404712a5b1eed310964cb0 (diff)
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Initial pass at Go language support.
* NEWS: Mention Go. * Makefile.in (SFILES): Add go-exp.y, go-lang.c, go-typeprint.c, go-valprint.c. (COMMON_OBS): Add go-lang.o, go-val.print.o, go-typeprint.o. (YYFILES): Add go-exp.c. (YYOBJ): Add go-exp.o. (local-maintainer-clean): Delete go-exp.c. * defs.h (enum language): Add language_go. * dwarf2read.c: #include "go-lang.h". (fixup_go_packaging): New function. (process_full_comp_unit): Call it when processing Go CUs. (dwarf2_physname): Add Go support. (read_file_scope): Handle missing language spec for GNU Go. (set_cu_language): Handle DW_LANG_Go. * go-exp.y: New file. * go-lang.h: New file. * go-lang.c: New file. * go-typeprint.c: New file. * go-valprint.c: New file. * symtab.c: #include "go-lang.h". (symbol_set_language): Handle language_go. (symbol_find_demangled_name, symbol_set_names): Ditto. (symbol_natural_name, demangle_for_lookup, find_main_name): Ditto. testsuite/ * configure.ac: Create gdb.go/Makefile. * configure: Regenerate. * gdb.base/default.exp: Add "go" to "set language" testing. * gdb.go/Makefile.in: New file. * gdb.go/basic-types.exp: New file. * gdb.go/chan.exp: New file. * gdb.go/chan.go: New file. * gdb.go/handcall.exp: New file. * gdb.go/handcall.go: New file. * gdb.go/hello.exp: New file. * gdb.go/hello.go: New file. * gdb.go/integers.exp: New file. * gdb.go/integers.go: New file. * gdb.go/methods.exp: New file. * gdb.go/methods.go: New file. * gdb.go/package.exp: New file. * gdb.go/package1.go: New file. * gdb.go/package2.go: New file. * gdb.go/print.exp: New file. * gdb.go/strings.exp: New file. * gdb.go/strings.go: New file. * gdb.go/types.exp: New file. * gdb.go/types.go: New file. * gdb.go/unsafe.exp: New file. * gdb.go/unsafe.go: New file. * lib/future.exp: Add Go support. (gdb_find_go, gdb_find_go_linker): New procs. (gdb_default_target_compile): Add Go support. * lib/gdb.exp (skip_go_tests): New proc. * lib/go.exp: New file. doc/ * gdb.texinfo (Supported Languages): Add Go. (Go): New node.
Diffstat (limited to 'gdb/go-lang.c')
-rw-r--r--gdb/go-lang.c667
1 files changed, 667 insertions, 0 deletions
diff --git a/gdb/go-lang.c b/gdb/go-lang.c
new file mode 100644
index 0000000..147a922
--- /dev/null
+++ b/gdb/go-lang.c
@@ -0,0 +1,667 @@
+/* Go language support routines for GDB, the GNU debugger.
+
+ Copyright (C) 2012 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ This program 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 of the License, or
+ (at your option) any later version.
+
+ This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* TODO:
+ - split stacks
+ - printing of native types
+ - goroutines
+ - lots more
+ - gccgo mangling needs redoing
+ It's too hard, for example, to know whether one is looking at a mangled
+ Go symbol or not, and their are ambiguities, e.g., the demangler may
+ get passed *any* symbol, including symbols from other languages
+ and including symbols that are already demangled.
+ One thought is to at least add an _G prefix.
+ - 6g mangling isn't supported yet
+*/
+
+#include "defs.h"
+#include "gdb_assert.h"
+#include "gdb_obstack.h"
+#include "gdb_string.h"
+#include "block.h"
+#include "symtab.h"
+#include "language.h"
+#include "go-lang.h"
+#include "c-lang.h"
+#include "parser-defs.h"
+
+#include <ctype.h>
+
+/* The main function in the main package. */
+static const char GO_MAIN_MAIN[] = "main.main";
+
+/* Function returning the special symbol name used by Go for the main
+ procedure in the main program if it is found in minimal symbol list.
+ This function tries to find minimal symbols so that it finds them even
+ if the program was compiled without debugging information. */
+
+const char *
+go_main_name (void)
+{
+ struct minimal_symbol *msym;
+
+ msym = lookup_minimal_symbol (GO_MAIN_MAIN, NULL, NULL);
+ if (msym != NULL)
+ return GO_MAIN_MAIN;
+
+ /* No known entry procedure found, the main program is probably not Go. */
+ return NULL;
+}
+
+/* Return non-zero if TYPE is a gccgo string.
+ We assume CHECK_TYPEDEF has already been done. */
+
+static int
+gccgo_string_p (struct type *type)
+{
+ /* gccgo strings don't necessarily have a name we can use. */
+
+ if (TYPE_NFIELDS (type) == 2)
+ {
+ struct type *type0 = TYPE_FIELD_TYPE (type, 0);
+ struct type *type1 = TYPE_FIELD_TYPE (type, 1);
+
+ CHECK_TYPEDEF (type0);
+ CHECK_TYPEDEF (type1);
+
+ if (TYPE_CODE (type0) == TYPE_CODE_PTR
+ && strcmp (TYPE_FIELD_NAME (type, 0), "__data") == 0
+ && TYPE_CODE (type1) == TYPE_CODE_INT
+ && strcmp (TYPE_FIELD_NAME (type, 1), "__length") == 0)
+ {
+ struct type *target_type = TYPE_TARGET_TYPE (type0);
+
+ CHECK_TYPEDEF (target_type);
+
+ if (TYPE_CODE (target_type) == TYPE_CODE_INT
+ && TYPE_LENGTH (target_type) == 1
+ && strcmp (TYPE_NAME (target_type), "uint8") == 0)
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+/* Return non-zero if TYPE is a 6g string.
+ We assume CHECK_TYPEDEF has already been done. */
+
+static int
+sixg_string_p (struct type *type)
+{
+ if (TYPE_NFIELDS (type) == 2
+ && TYPE_TAG_NAME (type) != NULL
+ && strcmp (TYPE_TAG_NAME (type), "string") == 0)
+ return 1;
+
+ return 0;
+}
+
+/* Classify the kind of Go object that TYPE is.
+ TYPE is a TYPE_CODE_STRUCT, used to represent a Go object. */
+
+enum go_type
+go_classify_struct_type (struct type *type)
+{
+ CHECK_TYPEDEF (type);
+
+ /* Recognize strings as they're useful to be able to print without
+ pretty-printers. */
+ if (gccgo_string_p (type)
+ || sixg_string_p (type))
+ return GO_TYPE_STRING;
+
+ return GO_TYPE_NONE;
+}
+
+/* Subroutine of unpack_mangled_go_symbol to simplify it.
+ Given "[foo.]bar.baz", store "bar" in *PACKAGEP and "baz" in *OBJECTP.
+ We stomp on the last '.' to nul-terminate "bar".
+ The caller is responsible for memory management. */
+
+static void
+unpack_package_and_object (char *buf,
+ const char **packagep, const char **objectp)
+{
+ char *last_dot;
+
+ last_dot = strrchr (buf, '.');
+ gdb_assert (last_dot != NULL);
+ *objectp = last_dot + 1;
+ *last_dot = '\0';
+ last_dot = strrchr (buf, '.');
+ if (last_dot != NULL)
+ *packagep = last_dot + 1;
+ else
+ *packagep = buf;
+}
+
+/* Given a mangled Go symbol, find its package name, object name, and
+ method type (if present).
+ E.g., for "libgo_net.textproto.String.N33_libgo_net.textproto.ProtocolError"
+ *PACKAGEP = "textproto"
+ *OBJECTP = "String"
+ *METHOD_TYPE_PACKAGEP = "textproto"
+ *METHOD_TYPE_OBJECTP = "ProtocolError"
+
+ Space for the resulting strings is malloc'd in one buffer.
+ PACKAGEP,OBJECTP,METHOD_TYPE* will (typically) point into this buffer.
+ [There are a few exceptions, but the caller is still responsible for
+ freeing the resulting pointer.]
+ A pointer to this buffer is returned, or NULL if symbol isn't a
+ mangled Go symbol.
+ The caller is responsible for freeing the result.
+
+ *METHOD_TYPE_IS_POINTERP is set to a boolean indicating if
+ the method type is a pointer.
+
+ There may be value in returning the outer container,
+ i.e., "net" in the above example, but for now it's not needed.
+ Plus it's currently not straightforward to compute,
+ it comes from -fgo-prefix, and there's no algorithm to compute it.
+
+ If we ever need to unpack the method type, this routine should work
+ for that too. */
+
+static char *
+unpack_mangled_go_symbol (const char *mangled_name,
+ const char **packagep,
+ const char **objectp,
+ const char **method_type_packagep,
+ const char **method_type_objectp,
+ int *method_type_is_pointerp)
+{
+ char *buf;
+ char *p;
+ int len = strlen (mangled_name);
+ /* Pointer to last digit in "N<digit(s)>_". */
+ char *saw_digit;
+ /* Pointer to "N" if valid "N<digit(s)>_" found. */
+ char *method_type;
+ /* Pointer to the first '.'. */
+ char *first_dot;
+ /* Pointer to the last '.'. */
+ char *last_dot;
+ /* Non-zero if we saw a pointer indicator. */
+ int saw_pointer;
+
+ *packagep = *objectp = NULL;
+ *method_type_packagep = *method_type_objectp = NULL;
+ *method_type_is_pointerp = 0;
+
+ /* main.init is mangled specially. */
+ if (strcmp (mangled_name, "__go_init_main") == 0)
+ {
+ char *package = xstrdup ("main");
+
+ *packagep = package;
+ *objectp = "init";
+ return package;
+ }
+
+ /* main.main is mangled specially (missing prefix). */
+ if (strcmp (mangled_name, "main.main") == 0)
+ {
+ char *package = xstrdup ("main");
+
+ *packagep = package;
+ *objectp = "main";
+ return package;
+ }
+
+ /* We may get passed, e.g., "main.T.Foo", which is *not* mangled.
+ Alas it looks exactly like "prefix.package.object."
+ To cope for now we only recognize the following prefixes:
+
+ go: the default
+ libgo_.*: used by gccgo's runtime
+
+ Thus we don't support -fgo-prefix (except as used by the runtime). */
+ if (strncmp (mangled_name, "go.", 3) != 0
+ && strncmp (mangled_name, "libgo_", 6) != 0)
+ return NULL;
+
+ /* Quick check for whether a search may be fruitful. */
+ /* Ignore anything with @plt, etc. in it. */
+ if (strchr (mangled_name, '@') != NULL)
+ return NULL;
+ /* It must have at least two dots. */
+ first_dot = strchr (mangled_name, '.');
+ if (first_dot == NULL)
+ return NULL;
+ /* Treat "foo.bar" as unmangled. It can collide with lots of other
+ languages and it's not clear what the consequences are.
+ And except for main.main, all gccgo symbols are at least
+ prefix.package.object. */
+ last_dot = strrchr (mangled_name, '.');
+ if (last_dot == first_dot)
+ return NULL;
+
+ /* More quick checks. */
+ if (last_dot[1] == '\0' /* foo. */
+ || last_dot[-1] == '.') /* foo..bar */
+ return NULL;
+
+ /* At this point we've decided we have a mangled Go symbol. */
+
+ buf = xstrdup (mangled_name);
+
+ /* Search backwards looking for "N<digit(s)>". */
+ p = buf + len;
+ saw_digit = method_type = NULL;
+ saw_pointer = 0;
+ while (p > buf)
+ {
+ int current = *(const unsigned char *) --p;
+ int current_is_digit = isdigit (current);
+
+ if (saw_digit)
+ {
+ if (current_is_digit)
+ continue;
+ if (current == 'N'
+ && ((p > buf && p[-1] == '.')
+ || (p > buf + 1 && p[-1] == 'p' && p[-2] == '.')))
+ {
+ if (atoi (p + 1) == strlen (saw_digit + 2))
+ {
+ if (p[-1] == '.')
+ method_type = p - 1;
+ else
+ {
+ gdb_assert (p[-1] == 'p');
+ saw_pointer = 1;
+ method_type = p - 2;
+ }
+ break;
+ }
+ }
+ /* Not what we're looking for, reset and keep looking. */
+ saw_digit = NULL;
+ saw_pointer = 0;
+ continue;
+ }
+ if (current_is_digit && p[1] == '_')
+ {
+ /* Possible start of method "this" [sic] type. */
+ saw_digit = p;
+ continue;
+ }
+ }
+
+ if (method_type != NULL
+ /* Ensure not something like "..foo". */
+ && (method_type > buf && method_type[-1] != '.'))
+ {
+ unpack_package_and_object (saw_digit + 2,
+ method_type_packagep, method_type_objectp);
+ *method_type = '\0';
+ *method_type_is_pointerp = saw_pointer;
+ }
+
+ unpack_package_and_object (buf, packagep, objectp);
+ return buf;
+}
+
+/* Implements the la_demangle language_defn routine for language Go.
+
+ N.B. This may get passed *any* symbol, including symbols from other
+ languages and including symbols that are already demangled.
+ Both of these situations are kinda unfortunate, but that's how things
+ are today.
+
+ N.B. This currently only supports gccgo's mangling.
+
+ N.B. gccgo's mangling needs, I think, changing.
+ This demangler can't work in all situations,
+ thus not too much effort is currently put into it. */
+
+char *
+go_demangle (const char *mangled_name, int options)
+{
+ struct obstack tempbuf;
+ char *result;
+ char *name_buf;
+ const char *package_name;
+ const char *object_name;
+ const char *method_type_package_name;
+ const char *method_type_object_name;
+ int method_type_is_pointer;
+
+ if (mangled_name == NULL)
+ return NULL;
+
+ name_buf = unpack_mangled_go_symbol (mangled_name,
+ &package_name, &object_name,
+ &method_type_package_name,
+ &method_type_object_name,
+ &method_type_is_pointer);
+ if (name_buf == NULL)
+ return NULL;
+
+ obstack_init (&tempbuf);
+
+ /* Print methods as they appear in "method expressions". */
+ if (method_type_package_name != NULL)
+ {
+ /* FIXME: Seems like we should include package_name here somewhere. */
+ if (method_type_is_pointer)
+ obstack_grow_str (&tempbuf, "(*");
+ obstack_grow_str (&tempbuf, method_type_package_name);
+ obstack_grow_str (&tempbuf, ".");
+ obstack_grow_str (&tempbuf, method_type_object_name);
+ if (method_type_is_pointer)
+ obstack_grow_str (&tempbuf, ")");
+ obstack_grow_str (&tempbuf, ".");
+ obstack_grow_str (&tempbuf, object_name);
+ }
+ else
+ {
+ obstack_grow_str (&tempbuf, package_name);
+ obstack_grow_str (&tempbuf, ".");
+ obstack_grow_str (&tempbuf, object_name);
+ }
+ obstack_grow_str0 (&tempbuf, "");
+
+ result = xstrdup (obstack_finish (&tempbuf));
+ obstack_free (&tempbuf, NULL);
+ xfree (name_buf);
+ return result;
+}
+
+/* Given a Go symbol, return its package or NULL if unknown.
+ Space for the result is malloc'd, caller must free. */
+
+char *
+go_symbol_package_name (const struct symbol *sym)
+{
+ const char *mangled_name = SYMBOL_LINKAGE_NAME (sym);
+ const char *package_name;
+ const char *object_name;
+ const char *method_type_package_name;
+ const char *method_type_object_name;
+ int method_type_is_pointer;
+ char *name_buf;
+ char *result;
+
+ gdb_assert (SYMBOL_LANGUAGE (sym) == language_go);
+ name_buf = unpack_mangled_go_symbol (mangled_name,
+ &package_name, &object_name,
+ &method_type_package_name,
+ &method_type_object_name,
+ &method_type_is_pointer);
+ /* Some Go symbols don't have mangled form we interpret (yet). */
+ if (name_buf == NULL)
+ return NULL;
+ result = xstrdup (package_name);
+ xfree (name_buf);
+ return result;
+}
+
+/* Return the package that BLOCK is in, or NULL if there isn't one.
+ Space for the result is malloc'd, caller must free. */
+
+char *
+go_block_package_name (const struct block *block)
+{
+ while (block != NULL)
+ {
+ struct symbol *function = BLOCK_FUNCTION (block);
+
+ if (function != NULL)
+ {
+ char *package_name = go_symbol_package_name (function);
+
+ if (package_name != NULL)
+ return package_name;
+
+ /* Stop looking if we find a function without a package name.
+ We're most likely outside of Go and thus the concept of the
+ "current" package is gone. */
+ return NULL;
+ }
+
+ block = BLOCK_SUPERBLOCK (block);
+ }
+
+ return NULL;
+}
+
+/* Table mapping opcodes into strings for printing operators
+ and precedences of the operators.
+ TODO(dje): &^ ? */
+
+static const struct op_print go_op_print_tab[] =
+{
+ {",", BINOP_COMMA, PREC_COMMA, 0},
+ {"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
+ {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
+ {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
+ {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0},
+ {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0},
+ {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0},
+ {"==", BINOP_EQUAL, PREC_EQUAL, 0},
+ {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0},
+ {"<=", BINOP_LEQ, PREC_ORDER, 0},
+ {">=", BINOP_GEQ, PREC_ORDER, 0},
+ {">", BINOP_GTR, PREC_ORDER, 0},
+ {"<", BINOP_LESS, PREC_ORDER, 0},
+ {">>", BINOP_RSH, PREC_SHIFT, 0},
+ {"<<", BINOP_LSH, PREC_SHIFT, 0},
+ {"+", BINOP_ADD, PREC_ADD, 0},
+ {"-", BINOP_SUB, PREC_ADD, 0},
+ {"*", BINOP_MUL, PREC_MUL, 0},
+ {"/", BINOP_DIV, PREC_MUL, 0},
+ {"%", BINOP_REM, PREC_MUL, 0},
+ {"@", BINOP_REPEAT, PREC_REPEAT, 0},
+ {"-", UNOP_NEG, PREC_PREFIX, 0},
+ {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
+ {"^", UNOP_COMPLEMENT, PREC_PREFIX, 0},
+ {"*", UNOP_IND, PREC_PREFIX, 0},
+ {"&", UNOP_ADDR, PREC_PREFIX, 0},
+ {"unsafe.Sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0},
+ {"++", UNOP_POSTINCREMENT, PREC_SUFFIX, 0},
+ {"--", UNOP_POSTDECREMENT, PREC_SUFFIX, 0},
+ {NULL, 0, 0, 0}
+};
+
+enum go_primitive_types {
+ go_primitive_type_void,
+ go_primitive_type_char,
+ go_primitive_type_bool,
+ go_primitive_type_int,
+ go_primitive_type_uint,
+ go_primitive_type_uintptr,
+ go_primitive_type_int8,
+ go_primitive_type_int16,
+ go_primitive_type_int32,
+ go_primitive_type_int64,
+ go_primitive_type_uint8,
+ go_primitive_type_uint16,
+ go_primitive_type_uint32,
+ go_primitive_type_uint64,
+ go_primitive_type_float32,
+ go_primitive_type_float64,
+ go_primitive_type_complex64,
+ go_primitive_type_complex128,
+ nr_go_primitive_types
+};
+
+static void
+go_language_arch_info (struct gdbarch *gdbarch,
+ struct language_arch_info *lai)
+{
+ const struct builtin_go_type *builtin = builtin_go_type (gdbarch);
+
+ lai->string_char_type = builtin->builtin_char;
+
+ lai->primitive_type_vector
+ = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_go_primitive_types + 1,
+ struct type *);
+
+ lai->primitive_type_vector [go_primitive_type_void]
+ = builtin->builtin_void;
+ lai->primitive_type_vector [go_primitive_type_char]
+ = builtin->builtin_char;
+ lai->primitive_type_vector [go_primitive_type_bool]
+ = builtin->builtin_bool;
+ lai->primitive_type_vector [go_primitive_type_int]
+ = builtin->builtin_int;
+ lai->primitive_type_vector [go_primitive_type_uint]
+ = builtin->builtin_uint;
+ lai->primitive_type_vector [go_primitive_type_uintptr]
+ = builtin->builtin_uintptr;
+ lai->primitive_type_vector [go_primitive_type_int8]
+ = builtin->builtin_int8;
+ lai->primitive_type_vector [go_primitive_type_int16]
+ = builtin->builtin_int16;
+ lai->primitive_type_vector [go_primitive_type_int32]
+ = builtin->builtin_int32;
+ lai->primitive_type_vector [go_primitive_type_int64]
+ = builtin->builtin_int64;
+ lai->primitive_type_vector [go_primitive_type_uint8]
+ = builtin->builtin_uint8;
+ lai->primitive_type_vector [go_primitive_type_uint16]
+ = builtin->builtin_uint16;
+ lai->primitive_type_vector [go_primitive_type_uint32]
+ = builtin->builtin_uint32;
+ lai->primitive_type_vector [go_primitive_type_uint64]
+ = builtin->builtin_uint64;
+ lai->primitive_type_vector [go_primitive_type_float32]
+ = builtin->builtin_float32;
+ lai->primitive_type_vector [go_primitive_type_float64]
+ = builtin->builtin_float64;
+ lai->primitive_type_vector [go_primitive_type_complex64]
+ = builtin->builtin_complex64;
+ lai->primitive_type_vector [go_primitive_type_complex128]
+ = builtin->builtin_complex128;
+
+ lai->bool_type_symbol = "bool";
+ lai->bool_type_default = builtin->builtin_bool;
+}
+
+static const struct language_defn go_language_defn =
+{
+ "go",
+ language_go,
+ range_check_off,
+ type_check_off,
+ case_sensitive_on,
+ array_row_major,
+ macro_expansion_no,
+ &exp_descriptor_c,
+ go_parse,
+ go_error,
+ null_post_parser,
+ c_printchar, /* Print a character constant. */
+ c_printstr, /* Function to print string constant. */
+ c_emit_char, /* Print a single char. */
+ go_print_type, /* Print a type using appropriate syntax. */
+ c_print_typedef, /* Print a typedef using appropriate
+ syntax. */
+ go_val_print, /* Print a value using appropriate syntax. */
+ c_value_print, /* Print a top-level value. */
+ default_read_var_value, /* la_read_var_value */
+ NULL, /* Language specific skip_trampoline. */
+ NULL, /* name_of_this */
+ basic_lookup_symbol_nonlocal,
+ basic_lookup_transparent_type,
+ go_demangle, /* Language specific symbol demangler. */
+ NULL, /* Language specific
+ class_name_from_physname. */
+ go_op_print_tab, /* Expression operators for printing. */
+ 1, /* C-style arrays. */
+ 0, /* String lower bound. */
+ default_word_break_characters,
+ default_make_symbol_completion_list,
+ go_language_arch_info,
+ default_print_array_index,
+ default_pass_by_reference,
+ c_get_string,
+ NULL,
+ iterate_over_symbols,
+ LANG_MAGIC
+};
+
+static void *
+build_go_types (struct gdbarch *gdbarch)
+{
+ struct builtin_go_type *builtin_go_type
+ = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_go_type);
+
+ builtin_go_type->builtin_void
+ = arch_type (gdbarch, TYPE_CODE_VOID, 1, "void");
+ builtin_go_type->builtin_char
+ = arch_character_type (gdbarch, 8, 1, "char");
+ builtin_go_type->builtin_bool
+ = arch_boolean_type (gdbarch, 8, 0, "bool");
+ builtin_go_type->builtin_int
+ = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch), 0, "int");
+ builtin_go_type->builtin_uint
+ = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch), 1, "uint");
+ builtin_go_type->builtin_uintptr
+ = arch_integer_type (gdbarch, gdbarch_ptr_bit (gdbarch), 1, "uintptr");
+ builtin_go_type->builtin_int8
+ = arch_integer_type (gdbarch, 8, 0, "int8");
+ builtin_go_type->builtin_int16
+ = arch_integer_type (gdbarch, 16, 0, "int16");
+ builtin_go_type->builtin_int32
+ = arch_integer_type (gdbarch, 32, 0, "int32");
+ builtin_go_type->builtin_int64
+ = arch_integer_type (gdbarch, 64, 0, "int64");
+ builtin_go_type->builtin_uint8
+ = arch_integer_type (gdbarch, 8, 1, "uint8");
+ builtin_go_type->builtin_uint16
+ = arch_integer_type (gdbarch, 16, 1, "uint16");
+ builtin_go_type->builtin_uint32
+ = arch_integer_type (gdbarch, 32, 1, "uint32");
+ builtin_go_type->builtin_uint64
+ = arch_integer_type (gdbarch, 64, 1, "uint64");
+ builtin_go_type->builtin_float32
+ = arch_float_type (gdbarch, 32, "float32", NULL);
+ builtin_go_type->builtin_float64
+ = arch_float_type (gdbarch, 64, "float64", NULL);
+ builtin_go_type->builtin_complex64
+ = arch_complex_type (gdbarch, "complex64",
+ builtin_go_type->builtin_float32);
+ builtin_go_type->builtin_complex128
+ = arch_complex_type (gdbarch, "complex128",
+ builtin_go_type->builtin_float64);
+
+ return builtin_go_type;
+}
+
+static struct gdbarch_data *go_type_data;
+
+const struct builtin_go_type *
+builtin_go_type (struct gdbarch *gdbarch)
+{
+ return gdbarch_data (gdbarch, go_type_data);
+}
+
+extern initialize_file_ftype _initialize_go_language;
+
+void
+_initialize_go_language (void)
+{
+ go_type_data = gdbarch_data_register_post_init (build_go_types);
+
+ add_language (&go_language_defn);
+}