X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fc-lang.c;h=29aa765e02fab431df7886717492be99ae518a4c;hb=a9dc948127c2cb5127cec5ca87dbc19f17dd16cf;hp=df882100f1a3df460cac4ced0b738a9325feeeb7;hpb=c4413e2c9b9e257a93b4370c5e4e976c768b9e9a;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/c-lang.c b/gdb/c-lang.c index df882100f1..29aa765e02 100644 --- a/gdb/c-lang.c +++ b/gdb/c-lang.c @@ -1,21 +1,22 @@ /* C language support routines for GDB, the GNU debugger. - Copyright 1992 Free Software Foundation, Inc. -This file is part of GDB. + Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002, 2003, + 2004, 2005, 2007, 2008 Free Software Foundation, Inc. -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 2 of the License, or -(at your option) any later version. + This file is part of GDB. -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. + 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. -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + 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 . */ #include "defs.h" #include "symtab.h" @@ -24,103 +25,97 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "parser-defs.h" #include "language.h" #include "c-lang.h" +#include "valprint.h" +#include "macroscope.h" +#include "gdb_assert.h" +#include "charset.h" +#include "gdb_string.h" +#include "demangle.h" +#include "cp-abi.h" +#include "cp-support.h" + +extern void _initialize_c_language (void); +static void c_emit_char (int c, struct ui_file * stream, int quoter); /* Print the character C on STREAM as part of the contents of a literal string whose delimiter is QUOTER. Note that that format for printing characters and strings is language specific. */ static void -emit_char (c, stream, quoter) - register int c; - FILE *stream; - int quoter; +c_emit_char (int c, struct ui_file *stream, int quoter) { + const char *escape; + int host_char; c &= 0xFF; /* Avoid sign bit follies */ - if (PRINT_LITERAL_FORM (c)) + escape = c_target_char_has_backslash_escape (c); + if (escape) { - if (c == '\\' || c == quoter) - { - fputs_filtered ("\\", stream); - } - fprintf_filtered (stream, "%c", c); + if (quoter == '"' && strcmp (escape, "0") == 0) + /* Print nulls embedded in double quoted strings as \000 to + prevent ambiguity. */ + fprintf_filtered (stream, "\\000"); + else + fprintf_filtered (stream, "\\%s", escape); } - else + else if (target_char_to_host (c, &host_char) + && host_char_print_literally (host_char)) { - switch (c) - { - case '\n': - fputs_filtered ("\\n", stream); - break; - case '\b': - fputs_filtered ("\\b", stream); - break; - case '\t': - fputs_filtered ("\\t", stream); - break; - case '\f': - fputs_filtered ("\\f", stream); - break; - case '\r': - fputs_filtered ("\\r", stream); - break; - case '\033': - fputs_filtered ("\\e", stream); - break; - case '\007': - fputs_filtered ("\\a", stream); - break; - default: - fprintf_filtered (stream, "\\%.3o", (unsigned int) c); - break; - } + if (host_char == '\\' || host_char == quoter) + fputs_filtered ("\\", stream); + fprintf_filtered (stream, "%c", host_char); } + else + fprintf_filtered (stream, "\\%.3o", (unsigned int) c); } -static void -c_printchar (c, stream) - int c; - FILE *stream; +void +c_printchar (int c, struct ui_file *stream) { - fputs_filtered ("'", stream); - emit_char (c, stream, '\''); - fputs_filtered ("'", stream); + fputc_filtered ('\'', stream); + LA_EMIT_CHAR (c, stream, '\''); + fputc_filtered ('\'', stream); } /* Print the character string STRING, printing at most LENGTH characters. - Printing stops early if the number hits print_max; repeat counts - are printed as appropriate. Print ellipses at the end if we - had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. */ + LENGTH is -1 if the string is nul terminated. Each character is WIDTH bytes + long. Printing stops early if the number hits print_max; repeat counts are + printed as appropriate. Print ellipses at the end if we had to stop before + printing LENGTH characters, or if FORCE_ELLIPSES. */ -static void -c_printstr (stream, string, length, force_ellipses) - FILE *stream; - char *string; - unsigned int length; - int force_ellipses; +void +c_printstr (struct ui_file *stream, const gdb_byte *string, + unsigned int length, int width, int force_ellipses) { - register unsigned int i; + unsigned int i; unsigned int things_printed = 0; int in_quotes = 0; int need_comma = 0; - extern int inspect_it; - extern int repeat_count_threshold; - extern int print_max; + + /* If the string was not truncated due to `set print elements', and + the last byte of it is a null, we don't print that, in traditional C + style. */ + if (!force_ellipses + && length > 0 + && (extract_unsigned_integer (string + (length - 1) * width, width) + == '\0')) + length--; if (length == 0) { - fputs_filtered ("\"\"", stdout); + fputs_filtered ("\"\"", stream); return; } for (i = 0; i < length && things_printed < print_max; ++i) { /* Position of the character we are examining - to see whether it is repeated. */ + to see whether it is repeated. */ unsigned int rep1; /* Number of repetitions we have detected so far. */ unsigned int reps; + unsigned long current_char; QUIT; @@ -130,9 +125,13 @@ c_printstr (stream, string, length, force_ellipses) need_comma = 0; } + current_char = extract_unsigned_integer (string + i * width, width); + rep1 = i + 1; reps = 1; - while (rep1 < length && string[rep1] == string[i]) + while (rep1 < length + && extract_unsigned_integer (string + rep1 * width, width) + == current_char) { ++rep1; ++reps; @@ -148,8 +147,8 @@ c_printstr (stream, string, length, force_ellipses) fputs_filtered ("\", ", stream); in_quotes = 0; } - c_printchar (string[i], stream); - fprintf_filtered (stream, " ", reps); + LA_PRINT_CHAR (current_char, stream); + fprintf_filtered (stream, _(" "), reps); i = rep1 - 1; things_printed += repeat_count_threshold; need_comma = 1; @@ -164,7 +163,7 @@ c_printstr (stream, string, length, force_ellipses) fputs_filtered ("\"", stream); in_quotes = 1; } - emit_char (string[i], stream, '"'); + LA_EMIT_CHAR (current_char, stream, '"'); ++things_printed; } } @@ -181,261 +180,449 @@ c_printstr (stream, string, length, force_ellipses) if (force_ellipses || i < length) fputs_filtered ("...", stream); } + +/* Preprocessing and parsing C and C++ expressions. */ + + +/* When we find that lexptr (the global var defined in parse.c) is + pointing at a macro invocation, we expand the invocation, and call + scan_macro_expansion to save the old lexptr here and point lexptr + into the expanded text. When we reach the end of that, we call + end_macro_expansion to pop back to the value we saved here. The + macro expansion code promises to return only fully-expanded text, + so we don't need to "push" more than one level. + + This is disgusting, of course. It would be cleaner to do all macro + expansion beforehand, and then hand that to lexptr. But we don't + really know where the expression ends. Remember, in a command like + + (gdb) break *ADDRESS if CONDITION + + we evaluate ADDRESS in the scope of the current frame, but we + evaluate CONDITION in the scope of the breakpoint's location. So + it's simply wrong to try to macro-expand the whole thing at once. */ +static char *macro_original_text; +static char *macro_expanded_text; + + +void +scan_macro_expansion (char *expansion) +{ + /* We'd better not be trying to push the stack twice. */ + gdb_assert (! macro_original_text); + gdb_assert (! macro_expanded_text); + + /* Save the old lexptr value, so we can return to it when we're done + parsing the expanded text. */ + macro_original_text = lexptr; + lexptr = expansion; + + /* Save the expanded text, so we can free it when we're finished. */ + macro_expanded_text = expansion; +} + + +int +scanning_macro_expansion (void) +{ + return macro_original_text != 0; +} + + +void +finished_macro_expansion (void) +{ + /* There'd better be something to pop back to, and we better have + saved a pointer to the start of the expanded text. */ + gdb_assert (macro_original_text); + gdb_assert (macro_expanded_text); + + /* Pop back to the original text. */ + lexptr = macro_original_text; + macro_original_text = 0; + + /* Free the expanded text. */ + xfree (macro_expanded_text); + macro_expanded_text = 0; +} + + +static void +scan_macro_cleanup (void *dummy) +{ + if (macro_original_text) + finished_macro_expansion (); +} + + +/* We set these global variables before calling c_parse, to tell it + how it to find macro definitions for the expression at hand. */ +macro_lookup_ftype *expression_macro_lookup_func; +void *expression_macro_lookup_baton; + + +static struct macro_definition * +null_macro_lookup (const char *name, void *baton) +{ + return 0; +} + -/* Create a fundamental C type using default reasonable for the current - target machine. - - Some object/debugging file formats (DWARF version 1, COFF, etc) do not - define fundamental types such as "int" or "double". Others (stabs or - DWARF version 2, etc) do define fundamental types. For the formats which - don't provide fundamental types, gdb can create such types using this - function. - - FIXME: Some compilers distinguish explicitly signed integral types - (signed short, signed int, signed long) from "regular" integral types - (short, int, long) in the debugging information. There is some dis- - agreement as to how useful this feature is. In particular, gcc does - not support this. Also, only some debugging formats allow the - distinction to be passed on to a debugger. For now, we always just - use "short", "int", or "long" as the type name, for both the implicit - and explicitly signed types. This also makes life easier for the - gdb test suite since we don't have to account for the differences - in output depending upon what the compiler and debugging format - support. We will probably have to re-examine the issue when gdb - starts taking it's fundamental type information directly from the - debugging information supplied by the compiler. fnf@cygnus.com */ - -static struct type * -c_create_fundamental_type (objfile, typeid) - struct objfile *objfile; - int typeid; +static int +c_preprocess_and_parse (void) { - register struct type *type = NULL; + /* Set up a lookup function for the macro expander. */ + struct macro_scope *scope = 0; + struct cleanup *back_to = make_cleanup (free_current_contents, &scope); - switch (typeid) + if (expression_context_block) + scope = sal_macro_scope (find_pc_line (expression_context_pc, 0)); + else + scope = default_macro_scope (); + + if (scope) { - default: - /* FIXME: For now, if we are asked to produce a type not in this - language, create the equivalent of a C integer type with the - name "". When all the dust settles from the type - reconstruction work, this should probably become an error. */ - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - 0, "", objfile); - warning ("internal error: no C/C++ fundamental type %d", typeid); - break; - case FT_VOID: - type = init_type (TYPE_CODE_VOID, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, "void", objfile); - break; - case FT_CHAR: - type = init_type (TYPE_CODE_INT, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, "char", objfile); - break; - case FT_SIGNED_CHAR: - type = init_type (TYPE_CODE_INT, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "signed char", objfile); - break; - case FT_UNSIGNED_CHAR: - type = init_type (TYPE_CODE_INT, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned char", objfile); - break; - case FT_SHORT: - type = init_type (TYPE_CODE_INT, - TARGET_SHORT_BIT / TARGET_CHAR_BIT, - 0, "short", objfile); - break; - case FT_SIGNED_SHORT: - type = init_type (TYPE_CODE_INT, - TARGET_SHORT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "short", objfile); /* FIXME-fnf */ - break; - case FT_UNSIGNED_SHORT: - type = init_type (TYPE_CODE_INT, - TARGET_SHORT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned short", objfile); - break; - case FT_INTEGER: - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - 0, "int", objfile); - break; - case FT_SIGNED_INTEGER: - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "int", objfile); /* FIXME -fnf */ - break; - case FT_UNSIGNED_INTEGER: - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned int", objfile); - break; - case FT_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_BIT / TARGET_CHAR_BIT, - 0, "long", objfile); - break; - case FT_SIGNED_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "long", objfile); /* FIXME -fnf */ - break; - case FT_UNSIGNED_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned long", objfile); - break; - case FT_LONG_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, - 0, "long long", objfile); - break; - case FT_SIGNED_LONG_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "signed long long", objfile); - break; - case FT_UNSIGNED_LONG_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned long long", objfile); - break; - case FT_FLOAT: - type = init_type (TYPE_CODE_FLT, - TARGET_FLOAT_BIT / TARGET_CHAR_BIT, - 0, "float", objfile); - break; - case FT_DBL_PREC_FLOAT: - type = init_type (TYPE_CODE_FLT, - TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, - 0, "double", objfile); - break; - case FT_EXT_PREC_FLOAT: - type = init_type (TYPE_CODE_FLT, - TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, - 0, "long double", objfile); - break; - } - return (type); + expression_macro_lookup_func = standard_macro_lookup; + expression_macro_lookup_baton = (void *) scope; + } + else + { + expression_macro_lookup_func = null_macro_lookup; + expression_macro_lookup_baton = 0; + } + + gdb_assert (! macro_original_text); + make_cleanup (scan_macro_cleanup, 0); + + { + int result = c_parse (); + do_cleanups (back_to); + return result; + } } + /* Table mapping opcodes into strings for printing operators and precedences of the operators. */ -static const struct op_print c_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}, - {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0}, - {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, - {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, - /* C++ */ - {"::", BINOP_SCOPE, PREC_PREFIX, 0}, - {NULL, 0, 0, 0} +const struct op_print c_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}, + {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0}, + {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, + {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, + {NULL, 0, 0, 0} }; -struct type ** const (c_builtin_types[]) = -{ - &builtin_type_int, - &builtin_type_long, - &builtin_type_short, - &builtin_type_char, - &builtin_type_float, - &builtin_type_double, - &builtin_type_void, - &builtin_type_long_long, - &builtin_type_signed_char, - &builtin_type_unsigned_char, - &builtin_type_unsigned_short, - &builtin_type_unsigned_int, - &builtin_type_unsigned_long, - &builtin_type_unsigned_long_long, - &builtin_type_long_double, - &builtin_type_complex, - &builtin_type_double_complex, - 0 +enum c_primitive_types { + c_primitive_type_int, + c_primitive_type_long, + c_primitive_type_short, + c_primitive_type_char, + c_primitive_type_float, + c_primitive_type_double, + c_primitive_type_void, + c_primitive_type_long_long, + c_primitive_type_signed_char, + c_primitive_type_unsigned_char, + c_primitive_type_unsigned_short, + c_primitive_type_unsigned_int, + c_primitive_type_unsigned_long, + c_primitive_type_unsigned_long_long, + c_primitive_type_long_double, + c_primitive_type_complex, + c_primitive_type_double_complex, + c_primitive_type_decfloat, + c_primitive_type_decdouble, + c_primitive_type_declong, + nr_c_primitive_types }; -const struct language_defn c_language_defn = { +void +c_language_arch_info (struct gdbarch *gdbarch, + struct language_arch_info *lai) +{ + const struct builtin_type *builtin = builtin_type (gdbarch); + lai->string_char_type = builtin->builtin_char; + lai->primitive_type_vector + = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_c_primitive_types + 1, + struct type *); + lai->primitive_type_vector [c_primitive_type_int] = builtin->builtin_int; + lai->primitive_type_vector [c_primitive_type_long] = builtin->builtin_long; + lai->primitive_type_vector [c_primitive_type_short] = builtin->builtin_short; + lai->primitive_type_vector [c_primitive_type_char] = builtin->builtin_char; + lai->primitive_type_vector [c_primitive_type_float] = builtin->builtin_float; + lai->primitive_type_vector [c_primitive_type_double] = builtin->builtin_double; + lai->primitive_type_vector [c_primitive_type_void] = builtin->builtin_void; + lai->primitive_type_vector [c_primitive_type_long_long] = builtin->builtin_long_long; + lai->primitive_type_vector [c_primitive_type_signed_char] = builtin->builtin_signed_char; + lai->primitive_type_vector [c_primitive_type_unsigned_char] = builtin->builtin_unsigned_char; + lai->primitive_type_vector [c_primitive_type_unsigned_short] = builtin->builtin_unsigned_short; + lai->primitive_type_vector [c_primitive_type_unsigned_int] = builtin->builtin_unsigned_int; + lai->primitive_type_vector [c_primitive_type_unsigned_long] = builtin->builtin_unsigned_long; + lai->primitive_type_vector [c_primitive_type_unsigned_long_long] = builtin->builtin_unsigned_long_long; + lai->primitive_type_vector [c_primitive_type_long_double] = builtin->builtin_long_double; + lai->primitive_type_vector [c_primitive_type_complex] = builtin->builtin_complex; + lai->primitive_type_vector [c_primitive_type_double_complex] = builtin->builtin_double_complex; + lai->primitive_type_vector [c_primitive_type_decfloat] = builtin->builtin_decfloat; + lai->primitive_type_vector [c_primitive_type_decdouble] = builtin->builtin_decdouble; + lai->primitive_type_vector [c_primitive_type_declong] = builtin->builtin_declong; +} + +const struct language_defn c_language_defn = +{ "c", /* Language name */ language_c, - c_builtin_types, range_check_off, type_check_off, - c_parse, + case_sensitive_on, + array_row_major, + &exp_descriptor_standard, + c_preprocess_and_parse, c_error, + null_post_parser, c_printchar, /* Print a character constant */ c_printstr, /* Function to print string constant */ - c_create_fundamental_type, /* Create fundamental type in this language */ + c_emit_char, /* Print a single char */ c_print_type, /* Print a type using appropriate syntax */ c_val_print, /* Print a value using appropriate syntax */ - &BUILTIN_TYPE_LONGEST, /* longest signed integral type */ - &BUILTIN_TYPE_UNSIGNED_LONGEST,/* longest unsigned integral type */ - &builtin_type_double, /* longest floating point type */ /*FIXME*/ - {"", "", "", ""}, /* Binary format info */ - {"0%o", "0", "o", ""}, /* Octal format info */ - {"%d", "", "d", ""}, /* Decimal format info */ - {"0x%x", "0x", "x", ""}, /* Hex format info */ + c_value_print, /* Print a top-level value */ + NULL, /* Language specific skip_trampoline */ + NULL, /* name_of_this */ + basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ + basic_lookup_transparent_type,/* lookup_transparent_type */ + NULL, /* Language specific symbol demangler */ + NULL, /* Language specific class_name_from_physname */ c_op_print_tab, /* expression operators for printing */ + 1, /* c-style arrays */ + 0, /* String lower bound */ + default_word_break_characters, + default_make_symbol_completion_list, + c_language_arch_info, + default_print_array_index, + default_pass_by_reference, LANG_MAGIC }; -const struct language_defn cplus_language_defn = { - "c++", /* Language name */ +enum cplus_primitive_types { + cplus_primitive_type_int, + cplus_primitive_type_long, + cplus_primitive_type_short, + cplus_primitive_type_char, + cplus_primitive_type_float, + cplus_primitive_type_double, + cplus_primitive_type_void, + cplus_primitive_type_long_long, + cplus_primitive_type_signed_char, + cplus_primitive_type_unsigned_char, + cplus_primitive_type_unsigned_short, + cplus_primitive_type_unsigned_int, + cplus_primitive_type_unsigned_long, + cplus_primitive_type_unsigned_long_long, + cplus_primitive_type_long_double, + cplus_primitive_type_complex, + cplus_primitive_type_double_complex, + cplus_primitive_type_bool, + cplus_primitive_type_decfloat, + cplus_primitive_type_decdouble, + cplus_primitive_type_declong, + nr_cplus_primitive_types +}; + +static void +cplus_language_arch_info (struct gdbarch *gdbarch, + struct language_arch_info *lai) +{ + const struct builtin_type *builtin = builtin_type (gdbarch); + lai->string_char_type = builtin->builtin_char; + lai->primitive_type_vector + = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_cplus_primitive_types + 1, + struct type *); + lai->primitive_type_vector [cplus_primitive_type_int] + = builtin->builtin_int; + lai->primitive_type_vector [cplus_primitive_type_long] + = builtin->builtin_long; + lai->primitive_type_vector [cplus_primitive_type_short] + = builtin->builtin_short; + lai->primitive_type_vector [cplus_primitive_type_char] + = builtin->builtin_char; + lai->primitive_type_vector [cplus_primitive_type_float] + = builtin->builtin_float; + lai->primitive_type_vector [cplus_primitive_type_double] + = builtin->builtin_double; + lai->primitive_type_vector [cplus_primitive_type_void] + = builtin->builtin_void; + lai->primitive_type_vector [cplus_primitive_type_long_long] + = builtin->builtin_long_long; + lai->primitive_type_vector [cplus_primitive_type_signed_char] + = builtin->builtin_signed_char; + lai->primitive_type_vector [cplus_primitive_type_unsigned_char] + = builtin->builtin_unsigned_char; + lai->primitive_type_vector [cplus_primitive_type_unsigned_short] + = builtin->builtin_unsigned_short; + lai->primitive_type_vector [cplus_primitive_type_unsigned_int] + = builtin->builtin_unsigned_int; + lai->primitive_type_vector [cplus_primitive_type_unsigned_long] + = builtin->builtin_unsigned_long; + lai->primitive_type_vector [cplus_primitive_type_unsigned_long_long] + = builtin->builtin_unsigned_long_long; + lai->primitive_type_vector [cplus_primitive_type_long_double] + = builtin->builtin_long_double; + lai->primitive_type_vector [cplus_primitive_type_complex] + = builtin->builtin_complex; + lai->primitive_type_vector [cplus_primitive_type_double_complex] + = builtin->builtin_double_complex; + lai->primitive_type_vector [cplus_primitive_type_bool] + = builtin->builtin_bool; + lai->primitive_type_vector [cplus_primitive_type_decfloat] + = builtin->builtin_decfloat; + lai->primitive_type_vector [cplus_primitive_type_decdouble] + = builtin->builtin_decdouble; + lai->primitive_type_vector [cplus_primitive_type_declong] + = builtin->builtin_declong; +} + +const struct language_defn cplus_language_defn = +{ + "c++", /* Language name */ language_cplus, - c_builtin_types, range_check_off, type_check_off, - c_parse, + case_sensitive_on, + array_row_major, + &exp_descriptor_standard, + c_preprocess_and_parse, + c_error, + null_post_parser, + c_printchar, /* Print a character constant */ + c_printstr, /* Function to print string constant */ + c_emit_char, /* Print a single char */ + c_print_type, /* Print a type using appropriate syntax */ + c_val_print, /* Print a value using appropriate syntax */ + c_value_print, /* Print a top-level value */ + cplus_skip_trampoline, /* Language specific skip_trampoline */ + "this", /* name_of_this */ + cp_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ + cp_lookup_transparent_type, /* lookup_transparent_type */ + cplus_demangle, /* Language specific symbol demangler */ + cp_class_name_from_physname, /* Language specific class_name_from_physname */ + c_op_print_tab, /* expression operators for printing */ + 1, /* c-style arrays */ + 0, /* String lower bound */ + default_word_break_characters, + default_make_symbol_completion_list, + cplus_language_arch_info, + default_print_array_index, + cp_pass_by_reference, + LANG_MAGIC +}; + +const struct language_defn asm_language_defn = +{ + "asm", /* Language name */ + language_asm, + range_check_off, + type_check_off, + case_sensitive_on, + array_row_major, + &exp_descriptor_standard, + c_preprocess_and_parse, + c_error, + null_post_parser, + c_printchar, /* Print a character constant */ + c_printstr, /* Function to print string constant */ + c_emit_char, /* Print a single char */ + c_print_type, /* Print a type using appropriate syntax */ + c_val_print, /* Print a value using appropriate syntax */ + c_value_print, /* Print a top-level value */ + NULL, /* Language specific skip_trampoline */ + NULL, /* name_of_this */ + basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ + basic_lookup_transparent_type,/* lookup_transparent_type */ + NULL, /* Language specific symbol demangler */ + NULL, /* Language specific class_name_from_physname */ + c_op_print_tab, /* expression operators for printing */ + 1, /* c-style arrays */ + 0, /* String lower bound */ + default_word_break_characters, + default_make_symbol_completion_list, + c_language_arch_info, /* FIXME: la_language_arch_info. */ + default_print_array_index, + default_pass_by_reference, + LANG_MAGIC +}; + +/* The following language_defn does not represent a real language. + It just provides a minimal support a-la-C that should allow users + to do some simple operations when debugging applications that use + a language currently not supported by GDB. */ + +const struct language_defn minimal_language_defn = +{ + "minimal", /* Language name */ + language_minimal, + range_check_off, + type_check_off, + case_sensitive_on, + array_row_major, + &exp_descriptor_standard, + c_preprocess_and_parse, c_error, + null_post_parser, c_printchar, /* Print a character constant */ c_printstr, /* Function to print string constant */ - c_create_fundamental_type, /* Create fundamental type in this language */ + c_emit_char, /* Print a single char */ c_print_type, /* Print a type using appropriate syntax */ c_val_print, /* Print a value using appropriate syntax */ - &BUILTIN_TYPE_LONGEST, /* longest signed integral type */ - &BUILTIN_TYPE_UNSIGNED_LONGEST,/* longest unsigned integral type */ - &builtin_type_double, /* longest floating point type */ /*FIXME*/ - {"", "", "", ""}, /* Binary format info */ - {"0%o", "0", "o", ""}, /* Octal format info */ - {"%d", "", "d", ""}, /* Decimal format info */ - {"0x%x", "0x", "x", ""}, /* Hex format info */ + c_value_print, /* Print a top-level value */ + NULL, /* Language specific skip_trampoline */ + NULL, /* name_of_this */ + basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ + basic_lookup_transparent_type,/* lookup_transparent_type */ + NULL, /* Language specific symbol demangler */ + NULL, /* Language specific class_name_from_physname */ c_op_print_tab, /* expression operators for printing */ + 1, /* c-style arrays */ + 0, /* String lower bound */ + default_word_break_characters, + default_make_symbol_completion_list, + c_language_arch_info, + default_print_array_index, + default_pass_by_reference, LANG_MAGIC }; void -_initialize_c_language () +_initialize_c_language (void) { add_language (&c_language_defn); add_language (&cplus_language_defn); + add_language (&asm_language_defn); + add_language (&minimal_language_defn); }