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Diffstat (limited to 'gdb/charset.c')
| -rw-r--r-- | gdb/charset.c | 1274 |
1 files changed, 1274 insertions, 0 deletions
diff --git a/gdb/charset.c b/gdb/charset.c new file mode 100644 index 0000000..00e1065 --- /dev/null +++ b/gdb/charset.c @@ -0,0 +1,1274 @@ +/* Character set conversion support for GDB. + Copyright 2001 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 2 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "defs.h" +#include "charset.h" +#include "gdbcmd.h" +#include "gdb_assert.h" + +#include <stddef.h> +#include <string.h> +#include <ctype.h> + +#ifdef HAVE_ICONV +#include <iconv.h> +#endif + + +/* How GDB's character set support works + + GDB has two global settings: + + - The `current host character set' is the character set GDB should + use in talking to the user, and which (hopefully) the user's + terminal knows how to display properly. + + - The `current target character set' is the character set the + program being debugged uses. + + There are commands to set each of these, and mechanisms for + choosing reasonable default values. GDB has a global list of + character sets that it can use as its host or target character + sets. + + The header file `charset.h' declares various functions that + different pieces of GDB need to perform tasks like: + + - printing target strings and characters to the user's terminal + (mostly target->host conversions), + + - building target-appropriate representations of strings and + characters the user enters in expressions (mostly host->target + conversions), + + and so on. + + Now, many of these operations are specific to a particular + host/target character set pair. If GDB supports N character sets, + there are N^2 possible pairs. This means that, the larger GDB's + repertoire of character sets gets, the more expensive it gets to add + new character sets. + + To make sure that GDB can do the right thing for every possible + pairing of host and target character set, while still allowing + GDB's repertoire to scale, we use a two-tiered approach: + + - We maintain a global table of "translations" --- groups of + functions specific to a particular pair of character sets. + + - However, a translation can be incomplete: some functions can be + omitted. Where there is not a translation to specify exactly + what function to use, we provide reasonable defaults. The + default behaviors try to use the "iconv" library functions, which + support a wide range of character sets. However, even if iconv + is not available, there are fallbacks to support trivial + translations: when the host and target character sets are the + same. */ + + +/* The character set and translation structures. */ + + +/* A character set GDB knows about. GDB only supports character sets + with stateless encodings, in which every character is one byte + long. */ +struct charset { + + /* A singly-linked list of all known charsets. */ + struct charset *next; + + /* The name of the character set. Comparisons on character set + names are case-insensitive. */ + const char *name; + + /* Non-zero iff this character set can be used as a host character + set. At present, GDB basically assumes that the host character + set is a superset of ASCII. */ + int valid_host_charset; + + /* Pointers to charset-specific functions that depend only on a + single character set, and data pointers to pass to them. */ + int (*host_char_print_literally) (void *baton, + int host_char); + void *host_char_print_literally_baton; + + int (*target_char_to_control_char) (void *baton, + int target_char, + int *target_ctrl_char); + void *target_char_to_control_char_baton; +}; + + +/* A translation from one character set to another. */ +struct translation { + + /* A singly-linked list of all known translations. */ + struct translation *next; + + /* This structure describes functions going from the FROM character + set to the TO character set. Comparisons on character set names + are case-insensitive. */ + const char *from, *to; + + /* Pointers to translation-specific functions, and data pointers to + pass to them. These pointers can be zero, indicating that GDB + should fall back on the default behavior. We hope the default + behavior will be correct for many from/to pairs, reducing the + number of translations that need to be registered explicitly. */ + + /* TARGET_CHAR is in the `from' charset. + Returns a string in the `to' charset. */ + const char *(*c_target_char_has_backslash_escape) (void *baton, + int target_char); + void *c_target_char_has_backslash_escape_baton; + + /* HOST_CHAR is in the `from' charset. + TARGET_CHAR points to a char in the `to' charset. */ + int (*c_parse_backslash) (void *baton, int host_char, int *target_char); + void *c_parse_backslash_baton; + + /* This is used for the host_char_to_target and target_char_to_host + functions. */ + int (*convert_char) (void *baton, int from, int *to); + void *convert_char_baton; +}; + + + +/* The global lists of character sets and translations. */ + + +/* Character set names are always compared ignoring case. */ +static int +strcmp_case_insensitive (const char *p, const char *q) +{ + while (*p && *q && tolower (*p) == tolower (*q)) + p++, q++; + + return tolower (*p) - tolower (*q); +} + + +/* The global list of all the charsets GDB knows about. */ +static struct charset *all_charsets; + + +static void +register_charset (struct charset *cs) +{ + struct charset **ptr; + + /* Put the new charset on the end, so that the list ends up in the + same order as the registrations in the _initialize function. */ + for (ptr = &all_charsets; *ptr; ptr = &(*ptr)->next) + ; + + cs->next = 0; + *ptr = cs; +} + + +static struct charset * +lookup_charset (const char *name) +{ + struct charset *cs; + + for (cs = all_charsets; cs; cs = cs->next) + if (! strcmp_case_insensitive (name, cs->name)) + return cs; + + return NULL; +} + + +/* The global list of translations. */ +static struct translation *all_translations; + + +static void +register_translation (struct translation *t) +{ + t->next = all_translations; + all_translations = t; +} + + +static struct translation * +lookup_translation (const char *from, const char *to) +{ + struct translation *t; + + for (t = all_translations; t; t = t->next) + if (! strcmp_case_insensitive (from, t->from) + && ! strcmp_case_insensitive (to, t->to)) + return t; + + return 0; +} + + + +/* Constructing charsets. */ + +/* Allocate, initialize and return a straightforward charset. + Use this function, rather than creating the structures yourself, + so that we can add new fields to the structure in the future without + having to tweak all the old charset descriptions. */ +static struct charset * +simple_charset (const char *name, + int valid_host_charset, + int (*host_char_print_literally) (void *baton, int host_char), + void *host_char_print_literally_baton, + int (*target_char_to_control_char) (void *baton, + int target_char, + int *target_ctrl_char), + void *target_char_to_control_char_baton) +{ + struct charset *cs = xmalloc (sizeof (*cs)); + + memset (cs, 0, sizeof (*cs)); + cs->name = name; + cs->valid_host_charset = valid_host_charset; + cs->host_char_print_literally = host_char_print_literally; + cs->host_char_print_literally_baton = host_char_print_literally_baton; + cs->target_char_to_control_char = target_char_to_control_char; + cs->target_char_to_control_char_baton = target_char_to_control_char_baton; + + return cs; +} + + + +/* ASCII functions. */ + +static int +ascii_print_literally (void *baton, int c) +{ + c &= 0xff; + + return (0x20 <= c && c <= 0x7e); +} + + +static int +ascii_to_control (void *baton, int c, int *ctrl_char) +{ + *ctrl_char = (c & 037); + return 1; +} + + +/* ISO-8859 family functions. */ + + +static int +iso_8859_print_literally (void *baton, int c) +{ + c &= 0xff; + + return ((0x20 <= c && c <= 0x7e) /* ascii printables */ + || (! sevenbit_strings && 0xA0 <= c)); /* iso 8859 printables */ +} + + +static int +iso_8859_to_control (void *baton, int c, int *ctrl_char) +{ + *ctrl_char = (c & 0200) | (c & 037); + return 1; +} + + +/* Construct an ISO-8859-like character set. */ +static struct charset * +iso_8859_family_charset (const char *name) +{ + return simple_charset (name, 1, + iso_8859_print_literally, 0, + iso_8859_to_control, 0); +} + + + +/* EBCDIC family functions. */ + + +static int +ebcdic_print_literally (void *baton, int c) +{ + c &= 0xff; + + return (64 <= c && c <= 254); +} + + +static int +ebcdic_to_control (void *baton, int c, int *ctrl_char) +{ + /* There are no control character equivalents in EBCDIC. Use + numeric escapes. */ + return 0; +} + + +/* Construct an EBCDIC-like character set. */ +static struct charset * +ebcdic_family_charset (const char *name) +{ + return simple_charset (name, 0, + ebcdic_print_literally, 0, + ebcdic_to_control, 0); +} + + + + + +/* Fallback functions using iconv. */ + +#if defined(HAVE_ICONV) + +struct cached_iconv { + struct charset *from, *to; + iconv_t i; +}; + + +/* Make sure the iconv cache *CI contains an iconv descriptor + translating from FROM to TO. If it already does, fine; otherwise, + close any existing descriptor, and open up a new one. On success, + return zero; on failure, return -1 and set errno. */ +static int +check_iconv_cache (struct cached_iconv *ci, + struct charset *from, + struct charset *to) +{ + iconv_t i; + + /* Does the cached iconv descriptor match the conversion we're trying + to do now? */ + if (ci->from == from + && ci->to == to + && ci->i != (iconv_t) 0) + return 0; + + /* It doesn't. If we actually had any iconv descriptor open at + all, close it now. */ + if (ci->i != (iconv_t) 0) + { + i = ci->i; + ci->i = (iconv_t) 0; + + if (iconv_close (i) == -1) + error ("Error closing `iconv' descriptor for " + "`%s'-to-`%s' character conversion: %s", + ci->from->name, ci->to->name, safe_strerror (errno)); + } + + /* Open a new iconv descriptor for the required conversion. */ + i = iconv_open (to->name, from->name); + if (i == (iconv_t) -1) + return -1; + + ci->i = i; + ci->from = from; + ci->to = to; + + return 0; +} + + +/* Convert FROM_CHAR using the cached iconv conversion *CI. Return + non-zero if the conversion was successful, zero otherwise. */ +static int +cached_iconv_convert (struct cached_iconv *ci, int from_char, int *to_char) +{ + char from; + ICONV_CONST char *from_ptr = &from; + char to, *to_ptr = &to; + size_t from_left = sizeof (from), to_left = sizeof (to); + + gdb_assert (ci->i != (iconv_t) 0); + + from = from_char; + if (iconv (ci->i, &from_ptr, &from_left, &to_ptr, &to_left) + == (size_t) -1) + { + /* These all suggest that the input or output character sets + have multi-byte encodings of some characters, which means + it's unsuitable for use as a GDB character set. We should + never have selected it. */ + gdb_assert (errno != E2BIG && errno != EINVAL); + + /* This suggests a bug in the code managing *CI. */ + gdb_assert (errno != EBADF); + + /* This seems to mean that there is no equivalent character in + the `to' character set. */ + if (errno == EILSEQ) + return 0; + + /* Anything else is mysterious. */ + internal_error ("Error converting character `%d' from `%s' to `%s' " + "character set: %s", + from_char, ci->from->name, ci->to->name, + safe_strerror (errno)); + } + + /* If the pointers weren't advanced across the input, that also + suggests something was wrong. */ + gdb_assert (from_left == 0 && to_left == 0); + + *to_char = (unsigned char) to; + return 1; +} + + +static void +register_iconv_charsets () +{ + /* Here we should check whether various character sets were + recognized by the local iconv implementation. + + The first implementation registered a bunch of character sets + recognized by iconv, but then we discovered that iconv on Solaris + and iconv on GNU/Linux had no character sets in common. So we + replaced them with the hard-coded tables that appear later in the + file. */ +} + +#endif /* defined (HAVE_ICONV) */ + + +/* Fallback routines for systems without iconv. */ + +#if ! defined (HAVE_ICONV) +struct cached_iconv { char nothing; }; + +static int +check_iconv_cache (struct cached_iconv *ci, + struct charset *from, + struct charset *to) +{ + errno = EINVAL; + return -1; +} + +static int +cached_iconv_convert (struct cached_iconv *ci, int from_char, int *to_char) +{ + /* This function should never be called. */ + gdb_assert (0); +} + +static void +register_iconv_charsets () +{ +} + +#endif /* ! defined(HAVE_ICONV) */ + + +/* Default trivial conversion functions. */ + +static int +identity_either_char_to_other (void *baton, int either_char, int *other_char) +{ + *other_char = either_char; + return 1; +} + + + +/* Default non-trivial conversion functions. */ + + +static char backslashable[] = "abefnrtv"; +static char *backslashed[] = {"a", "b", "e", "f", "n", "r", "t", "v", "0"}; +static char represented[] = "\a\b\e\f\n\r\t\v"; + + +/* Translate TARGET_CHAR into the host character set, and see if it + matches any of our standard escape sequences. */ +static const char * +default_c_target_char_has_backslash_escape (void *baton, int target_char) +{ + int host_char; + const char *ix; + + /* If target_char has no equivalent in the host character set, + assume it doesn't have a backslashed form. */ + if (! target_char_to_host (target_char, &host_char)) + return NULL; + + ix = strchr (represented, host_char); + if (ix) + return backslashed[ix - represented]; + else + return NULL; +} + + +/* Translate the backslash the way we would in the host character set, + and then try to translate that into the target character set. */ +static int +default_c_parse_backslash (void *baton, int host_char, int *target_char) +{ + const char *ix; + + ix = strchr (backslashable, host_char); + + if (! ix) + return 0; + else + return host_char_to_target (represented[ix - backslashable], + target_char); +} + + +/* Convert using a cached iconv descriptor. */ +static int +iconv_convert (void *baton, int from_char, int *to_char) +{ + struct cached_iconv *ci = baton; + return cached_iconv_convert (ci, from_char, to_char); +} + + + +/* Conversion tables. */ + + +/* I'd much rather fall back on iconv whenever possible. But the + character set names you use with iconv aren't standardized at all, + a lot of platforms have really meager character set coverage, etc. + I wanted to have at least something we could use to exercise the + test suite on all platforms. + + In the long run, we should have a configure-time process explore + somehow which character sets the host platform supports, and some + arrangement that allows GDB users to use platform-indepedent names + for character sets. */ + + +/* We generated these tables using iconv on a GNU/Linux machine. */ + + +static int ascii_to_iso_8859_1_table[] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, /* 16 */ + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, /* 32 */ + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, /* 48 */ + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, /* 64 */ + 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, /* 80 */ + 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, /* 96 */ + 96, 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111, /* 112 */ + 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127, /* 128 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 144 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 160 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 176 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 192 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 208 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 224 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 240 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 /* 256 */ +}; + + +static int ascii_to_ebcdic_us_table[] = { + 0, 1, 2, 3, 55, 45, 46, 47, 22, 5, 37, 11, 12, 13, 14, 15, /* 16 */ + 16, 17, 18, 19, 60, 61, 50, 38, 24, 25, 63, 39, 28, 29, 30, 31, /* 32 */ + 64, 90,127,123, 91,108, 80,125, 77, 93, 92, 78,107, 96, 75, 97, /* 48 */ + 240,241,242,243,244,245,246,247,248,249,122, 94, 76,126,110,111, /* 64 */ + 124,193,194,195,196,197,198,199,200,201,209,210,211,212,213,214, /* 80 */ + 215,216,217,226,227,228,229,230,231,232,233, -1,224, -1, -1,109, /* 96 */ + 121,129,130,131,132,133,134,135,136,137,145,146,147,148,149,150, /* 112 */ + 151,152,153,162,163,164,165,166,167,168,169,192, 79,208,161, 7, /* 128 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 144 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 160 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 176 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 192 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 208 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 224 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 240 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 /* 256 */ +}; + + +static int ascii_to_ibm1047_table[] = { + 0, 1, 2, 3, 55, 45, 46, 47, 22, 5, 37, 11, 12, 13, 14, 15, /* 16 */ + 16, 17, 18, 19, 60, 61, 50, 38, 24, 25, 63, 39, 28, 29, 30, 31, /* 32 */ + 64, 90,127,123, 91,108, 80,125, 77, 93, 92, 78,107, 96, 75, 97, /* 48 */ + 240,241,242,243,244,245,246,247,248,249,122, 94, 76,126,110,111, /* 64 */ + 124,193,194,195,196,197,198,199,200,201,209,210,211,212,213,214, /* 80 */ + 215,216,217,226,227,228,229,230,231,232,233,173,224,189, 95,109, /* 96 */ + 121,129,130,131,132,133,134,135,136,137,145,146,147,148,149,150, /* 112 */ + 151,152,153,162,163,164,165,166,167,168,169,192, 79,208,161, 7, /* 128 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 144 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 160 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 176 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 192 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 208 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 224 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 240 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 /* 256 */ +}; + + +static int iso_8859_1_to_ascii_table[] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, /* 16 */ + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, /* 32 */ + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, /* 48 */ + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, /* 64 */ + 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, /* 80 */ + 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, /* 96 */ + 96, 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111, /* 112 */ + 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127, /* 128 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 144 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 160 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 176 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 192 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 208 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 224 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 240 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 /* 256 */ +}; + + +static int iso_8859_1_to_ebcdic_us_table[] = { + 0, 1, 2, 3, 55, 45, 46, 47, 22, 5, 37, 11, 12, 13, 14, 15, /* 16 */ + 16, 17, 18, 19, 60, 61, 50, 38, 24, 25, 63, 39, 28, 29, 30, 31, /* 32 */ + 64, 90,127,123, 91,108, 80,125, 77, 93, 92, 78,107, 96, 75, 97, /* 48 */ + 240,241,242,243,244,245,246,247,248,249,122, 94, 76,126,110,111, /* 64 */ + 124,193,194,195,196,197,198,199,200,201,209,210,211,212,213,214, /* 80 */ + 215,216,217,226,227,228,229,230,231,232,233, -1,224, -1, -1,109, /* 96 */ + 121,129,130,131,132,133,134,135,136,137,145,146,147,148,149,150, /* 112 */ + 151,152,153,162,163,164,165,166,167,168,169,192, 79,208,161, 7, /* 128 */ + 32, 33, 34, 35, 36, 21, 6, 23, 40, 41, 42, 43, 44, 9, 10, 27, /* 144 */ + 48, 49, 26, 51, 52, 53, 54, 8, 56, 57, 58, 59, 4, 20, 62,255, /* 160 */ + -1, -1, 74, -1, -1, -1,106, -1, -1, -1, -1, -1, 95, -1, -1, -1, /* 176 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 192 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 208 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 224 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 240 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 /* 256 */ +}; + + +static int iso_8859_1_to_ibm1047_table[] = { + 0, 1, 2, 3, 55, 45, 46, 47, 22, 5, 37, 11, 12, 13, 14, 15, /* 16 */ + 16, 17, 18, 19, 60, 61, 50, 38, 24, 25, 63, 39, 28, 29, 30, 31, /* 32 */ + 64, 90,127,123, 91,108, 80,125, 77, 93, 92, 78,107, 96, 75, 97, /* 48 */ + 240,241,242,243,244,245,246,247,248,249,122, 94, 76,126,110,111, /* 64 */ + 124,193,194,195,196,197,198,199,200,201,209,210,211,212,213,214, /* 80 */ + 215,216,217,226,227,228,229,230,231,232,233,173,224,189, 95,109, /* 96 */ + 121,129,130,131,132,133,134,135,136,137,145,146,147,148,149,150, /* 112 */ + 151,152,153,162,163,164,165,166,167,168,169,192, 79,208,161, 7, /* 128 */ + 32, 33, 34, 35, 36, 21, 6, 23, 40, 41, 42, 43, 44, 9, 10, 27, /* 144 */ + 48, 49, 26, 51, 52, 53, 54, 8, 56, 57, 58, 59, 4, 20, 62,255, /* 160 */ + 65,170, 74,177,159,178,106,181,187,180,154,138,176,202,175,188, /* 176 */ + 144,143,234,250,190,160,182,179,157,218,155,139,183,184,185,171, /* 192 */ + 100,101, 98,102, 99,103,158,104,116,113,114,115,120,117,118,119, /* 208 */ + 172,105,237,238,235,239,236,191,128,253,254,251,252,186,174, 89, /* 224 */ + 68, 69, 66, 70, 67, 71,156, 72, 84, 81, 82, 83, 88, 85, 86, 87, /* 240 */ + 140, 73,205,206,203,207,204,225,112,221,222,219,220,141,142,223 /* 256 */ +}; + + +static int ebcdic_us_to_ascii_table[] = { + 0, 1, 2, 3, -1, 9, -1,127, -1, -1, -1, 11, 12, 13, 14, 15, /* 16 */ + 16, 17, 18, 19, -1, -1, 8, -1, 24, 25, -1, -1, 28, 29, 30, 31, /* 32 */ + -1, -1, -1, -1, -1, 10, 23, 27, -1, -1, -1, -1, -1, 5, 6, 7, /* 48 */ + -1, -1, 22, -1, -1, -1, -1, 4, -1, -1, -1, -1, 20, 21, -1, 26, /* 64 */ + 32, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 46, 60, 40, 43,124, /* 80 */ + 38, -1, -1, -1, -1, -1, -1, -1, -1, -1, 33, 36, 42, 41, 59, -1, /* 96 */ + 45, 47, -1, -1, -1, -1, -1, -1, -1, -1, -1, 44, 37, 95, 62, 63, /* 112 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, 96, 58, 35, 64, 39, 61, 34, /* 128 */ + -1, 97, 98, 99,100,101,102,103,104,105, -1, -1, -1, -1, -1, -1, /* 144 */ + -1,106,107,108,109,110,111,112,113,114, -1, -1, -1, -1, -1, -1, /* 160 */ + -1,126,115,116,117,118,119,120,121,122, -1, -1, -1, -1, -1, -1, /* 176 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 192 */ + 123, 65, 66, 67, 68, 69, 70, 71, 72, 73, -1, -1, -1, -1, -1, -1, /* 208 */ + 125, 74, 75, 76, 77, 78, 79, 80, 81, 82, -1, -1, -1, -1, -1, -1, /* 224 */ + 92, -1, 83, 84, 85, 86, 87, 88, 89, 90, -1, -1, -1, -1, -1, -1, /* 240 */ + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, -1, -1, -1, -1, -1, -1 /* 256 */ +}; + + +static int ebcdic_us_to_iso_8859_1_table[] = { + 0, 1, 2, 3,156, 9,134,127,151,141,142, 11, 12, 13, 14, 15, /* 16 */ + 16, 17, 18, 19,157,133, 8,135, 24, 25,146,143, 28, 29, 30, 31, /* 32 */ + 128,129,130,131,132, 10, 23, 27,136,137,138,139,140, 5, 6, 7, /* 48 */ + 144,145, 22,147,148,149,150, 4,152,153,154,155, 20, 21,158, 26, /* 64 */ + 32, -1, -1, -1, -1, -1, -1, -1, -1, -1,162, 46, 60, 40, 43,124, /* 80 */ + 38, -1, -1, -1, -1, -1, -1, -1, -1, -1, 33, 36, 42, 41, 59,172, /* 96 */ + 45, 47, -1, -1, -1, -1, -1, -1, -1, -1,166, 44, 37, 95, 62, 63, /* 112 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, 96, 58, 35, 64, 39, 61, 34, /* 128 */ + -1, 97, 98, 99,100,101,102,103,104,105, -1, -1, -1, -1, -1, -1, /* 144 */ + -1,106,107,108,109,110,111,112,113,114, -1, -1, -1, -1, -1, -1, /* 160 */ + -1,126,115,116,117,118,119,120,121,122, -1, -1, -1, -1, -1, -1, /* 176 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 192 */ + 123, 65, 66, 67, 68, 69, 70, 71, 72, 73, -1, -1, -1, -1, -1, -1, /* 208 */ + 125, 74, 75, 76, 77, 78, 79, 80, 81, 82, -1, -1, -1, -1, -1, -1, /* 224 */ + 92, -1, 83, 84, 85, 86, 87, 88, 89, 90, -1, -1, -1, -1, -1, -1, /* 240 */ + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, -1, -1, -1, -1, -1,159 /* 256 */ +}; + + +static int ebcdic_us_to_ibm1047_table[] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, /* 16 */ + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, /* 32 */ + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, /* 48 */ + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, /* 64 */ + 64, -1, -1, -1, -1, -1, -1, -1, -1, -1, 74, 75, 76, 77, 78, 79, /* 80 */ + 80, -1, -1, -1, -1, -1, -1, -1, -1, -1, 90, 91, 92, 93, 94,176, /* 96 */ + 96, 97, -1, -1, -1, -1, -1, -1, -1, -1,106,107,108,109,110,111, /* 112 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1,121,122,123,124,125,126,127, /* 128 */ + -1,129,130,131,132,133,134,135,136,137, -1, -1, -1, -1, -1, -1, /* 144 */ + -1,145,146,147,148,149,150,151,152,153, -1, -1, -1, -1, -1, -1, /* 160 */ + -1,161,162,163,164,165,166,167,168,169, -1, -1, -1, -1, -1, -1, /* 176 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 192 */ + 192,193,194,195,196,197,198,199,200,201, -1, -1, -1, -1, -1, -1, /* 208 */ + 208,209,210,211,212,213,214,215,216,217, -1, -1, -1, -1, -1, -1, /* 224 */ + 224, -1,226,227,228,229,230,231,232,233, -1, -1, -1, -1, -1, -1, /* 240 */ + 240,241,242,243,244,245,246,247,248,249, -1, -1, -1, -1, -1,255 /* 256 */ +}; + + +static int ibm1047_to_ascii_table[] = { + 0, 1, 2, 3, -1, 9, -1,127, -1, -1, -1, 11, 12, 13, 14, 15, /* 16 */ + 16, 17, 18, 19, -1, -1, 8, -1, 24, 25, -1, -1, 28, 29, 30, 31, /* 32 */ + -1, -1, -1, -1, -1, 10, 23, 27, -1, -1, -1, -1, -1, 5, 6, 7, /* 48 */ + -1, -1, 22, -1, -1, -1, -1, 4, -1, -1, -1, -1, 20, 21, -1, 26, /* 64 */ + 32, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 46, 60, 40, 43,124, /* 80 */ + 38, -1, -1, -1, -1, -1, -1, -1, -1, -1, 33, 36, 42, 41, 59, 94, /* 96 */ + 45, 47, -1, -1, -1, -1, -1, -1, -1, -1, -1, 44, 37, 95, 62, 63, /* 112 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, 96, 58, 35, 64, 39, 61, 34, /* 128 */ + -1, 97, 98, 99,100,101,102,103,104,105, -1, -1, -1, -1, -1, -1, /* 144 */ + -1,106,107,108,109,110,111,112,113,114, -1, -1, -1, -1, -1, -1, /* 160 */ + -1,126,115,116,117,118,119,120,121,122, -1, -1, -1, 91, -1, -1, /* 176 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 93, -1, -1, /* 192 */ + 123, 65, 66, 67, 68, 69, 70, 71, 72, 73, -1, -1, -1, -1, -1, -1, /* 208 */ + 125, 74, 75, 76, 77, 78, 79, 80, 81, 82, -1, -1, -1, -1, -1, -1, /* 224 */ + 92, -1, 83, 84, 85, 86, 87, 88, 89, 90, -1, -1, -1, -1, -1, -1, /* 240 */ + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, -1, -1, -1, -1, -1, -1 /* 256 */ +}; + + +static int ibm1047_to_iso_8859_1_table[] = { + 0, 1, 2, 3,156, 9,134,127,151,141,142, 11, 12, 13, 14, 15, /* 16 */ + 16, 17, 18, 19,157,133, 8,135, 24, 25,146,143, 28, 29, 30, 31, /* 32 */ + 128,129,130,131,132, 10, 23, 27,136,137,138,139,140, 5, 6, 7, /* 48 */ + 144,145, 22,147,148,149,150, 4,152,153,154,155, 20, 21,158, 26, /* 64 */ + 32,160,226,228,224,225,227,229,231,241,162, 46, 60, 40, 43,124, /* 80 */ + 38,233,234,235,232,237,238,239,236,223, 33, 36, 42, 41, 59, 94, /* 96 */ + 45, 47,194,196,192,193,195,197,199,209,166, 44, 37, 95, 62, 63, /* 112 */ + 248,201,202,203,200,205,206,207,204, 96, 58, 35, 64, 39, 61, 34, /* 128 */ + 216, 97, 98, 99,100,101,102,103,104,105,171,187,240,253,254,177, /* 144 */ + 176,106,107,108,109,110,111,112,113,114,170,186,230,184,198,164, /* 160 */ + 181,126,115,116,117,118,119,120,121,122,161,191,208, 91,222,174, /* 176 */ + 172,163,165,183,169,167,182,188,189,190,221,168,175, 93,180,215, /* 192 */ + 123, 65, 66, 67, 68, 69, 70, 71, 72, 73,173,244,246,242,243,245, /* 208 */ + 125, 74, 75, 76, 77, 78, 79, 80, 81, 82,185,251,252,249,250,255, /* 224 */ + 92,247, 83, 84, 85, 86, 87, 88, 89, 90,178,212,214,210,211,213, /* 240 */ + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57,179,219,220,217,218,159 /* 256 */ +}; + + +static int ibm1047_to_ebcdic_us_table[] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, /* 16 */ + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, /* 32 */ + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, /* 48 */ + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, /* 64 */ + 64, -1, -1, -1, -1, -1, -1, -1, -1, -1, 74, 75, 76, 77, 78, 79, /* 80 */ + 80, -1, -1, -1, -1, -1, -1, -1, -1, -1, 90, 91, 92, 93, 94, -1, /* 96 */ + 96, 97, -1, -1, -1, -1, -1, -1, -1, -1,106,107,108,109,110,111, /* 112 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1,121,122,123,124,125,126,127, /* 128 */ + -1,129,130,131,132,133,134,135,136,137, -1, -1, -1, -1, -1, -1, /* 144 */ + -1,145,146,147,148,149,150,151,152,153, -1, -1, -1, -1, -1, -1, /* 160 */ + -1,161,162,163,164,165,166,167,168,169, -1, -1, -1, -1, -1, -1, /* 176 */ + 95, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 192 */ + 192,193,194,195,196,197,198,199,200,201, -1, -1, -1, -1, -1, -1, /* 208 */ + 208,209,210,211,212,213,214,215,216,217, -1, -1, -1, -1, -1, -1, /* 224 */ + 224, -1,226,227,228,229,230,231,232,233, -1, -1, -1, -1, -1, -1, /* 240 */ + 240,241,242,243,244,245,246,247,248,249, -1, -1, -1, -1, -1,255 /* 256 */ +}; + + +static int +table_convert_char (void *baton, int from, int *to) +{ + int *table = (int *) baton; + + if (0 <= from && from <= 255 + && table[from] != -1) + { + *to = table[from]; + return 1; + } + else + return 0; +} + + +static struct translation * +table_translation (const char *from, const char *to, int *table, + const char *(*c_target_char_has_backslash_escape) + (void *baton, int target_char), + void *c_target_char_has_backslash_escape_baton, + int (*c_parse_backslash) (void *baton, + int host_char, + int *target_char), + void *c_parse_backslash_baton) +{ + struct translation *t = xmalloc (sizeof (*t)); + + memset (t, 0, sizeof (*t)); + t->from = from; + t->to = to; + t->c_target_char_has_backslash_escape = c_target_char_has_backslash_escape; + t->c_target_char_has_backslash_escape_baton + = c_target_char_has_backslash_escape_baton; + t->c_parse_backslash = c_parse_backslash; + t->c_parse_backslash_baton = c_parse_backslash_baton; + t->convert_char = table_convert_char; + t->convert_char_baton = (void *) table; + + return t; +} + + +static struct translation * +simple_table_translation (const char *from, const char *to, int *table) +{ + return table_translation (from, to, table, 0, 0, 0, 0); +} + + + +/* Setting and retrieving the host and target charsets. */ + + +/* The current host and target character sets. */ +static struct charset *current_host_charset, *current_target_charset; + +/* The current functions and batons we should use for the functions in + charset.h. */ + +static const char *(*c_target_char_has_backslash_escape_func) + (void *baton, int target_char); +static void *c_target_char_has_backslash_escape_baton; + +static int (*c_parse_backslash_func) (void *baton, + int host_char, + int *target_char); +static void *c_parse_backslash_baton; + +static int (*host_char_to_target_func) (void *baton, + int host_char, + int *target_char); +static void *host_char_to_target_baton; + +static int (*target_char_to_host_func) (void *baton, + int target_char, + int *host_char); +static void *target_char_to_host_baton; + + +/* Cached iconv conversions, that might be useful to fallback + routines. */ +static struct cached_iconv cached_iconv_host_to_target; +static struct cached_iconv cached_iconv_target_to_host; + + +/* Set the host and target character sets to HOST and TARGET. */ +static void +set_host_and_target_charsets (struct charset *host, struct charset *target) +{ + struct translation *h2t, *t2h; + + /* If they're not both initialized yet, then just do nothing for + now. As soon as we're done running our initialize function, + everything will be initialized. */ + if (! host || ! target) + { + current_host_charset = host; + current_target_charset = target; + return; + } + + h2t = lookup_translation (host->name, target->name); + t2h = lookup_translation (target->name, host->name); + + /* If the translations don't provide conversion functions, make sure + iconv can back them up. Do this *before* modifying any state. */ + if (host != target) + { + if (! h2t || ! h2t->convert_char) + { + if (check_iconv_cache (&cached_iconv_host_to_target, host, target) + < 0) + error ("GDB can't convert from the `%s' character set to `%s'.", + host->name, target->name); + } + if (! t2h || ! t2h->convert_char) + { + if (check_iconv_cache (&cached_iconv_target_to_host, target, host) + < 0) + error ("GDB can't convert from the `%s' character set to `%s'.", + target->name, host->name); + } + } + + if (t2h && t2h->c_target_char_has_backslash_escape) + { + c_target_char_has_backslash_escape_func + = t2h->c_target_char_has_backslash_escape; + c_target_char_has_backslash_escape_baton + = t2h->c_target_char_has_backslash_escape_baton; + } + else + c_target_char_has_backslash_escape_func + = default_c_target_char_has_backslash_escape; + + if (h2t && h2t->c_parse_backslash) + { + c_parse_backslash_func = h2t->c_parse_backslash; + c_parse_backslash_baton = h2t->c_parse_backslash_baton; + } + else + c_parse_backslash_func = default_c_parse_backslash; + + if (h2t && h2t->convert_char) + { + host_char_to_target_func = h2t->convert_char; + host_char_to_target_baton = h2t->convert_char_baton; + } + else if (host == target) + host_char_to_target_func = identity_either_char_to_other; + else + { + host_char_to_target_func = iconv_convert; + host_char_to_target_baton = &cached_iconv_host_to_target; + } + + if (t2h && t2h->convert_char) + { + target_char_to_host_func = t2h->convert_char; + target_char_to_host_baton = t2h->convert_char_baton; + } + else if (host == target) + target_char_to_host_func = identity_either_char_to_other; + else + { + target_char_to_host_func = iconv_convert; + target_char_to_host_baton = &cached_iconv_target_to_host; + } + + current_host_charset = host; + current_target_charset = target; +} + + +static struct charset * +lookup_charset_or_error (const char *name) +{ + struct charset *cs = lookup_charset (name); + + if (! cs) + error ("GDB doesn't know of any character set named `%s'.", name); + + return cs; +} + + +static void +check_valid_host_charset (struct charset *cs) +{ + if (! cs->valid_host_charset) + error ("GDB can't use `%s' as its host character set.", cs->name); +} + + +void +set_host_charset (const char *charset) +{ + struct charset *cs = lookup_charset_or_error (charset); + check_valid_host_charset (cs); + set_host_and_target_charsets (cs, current_target_charset); +} + + +const char * +host_charset () +{ + return current_host_charset->name; +} + + +void +set_target_charset (const char *charset) +{ + struct charset *cs = lookup_charset_or_error (charset); + + set_host_and_target_charsets (current_host_charset, cs); +} + + +const char * +target_charset () +{ + return current_target_charset->name; +} + + + +/* Public character management functions. */ + + +const char * +c_target_char_has_backslash_escape (int target_char) +{ + return ((*c_target_char_has_backslash_escape_func) + (c_target_char_has_backslash_escape_baton, target_char)); +} + + +int +c_parse_backslash (int host_char, int *target_char) +{ + return (*c_parse_backslash_func) (c_parse_backslash_baton, + host_char, target_char); +} + + +int +host_char_print_literally (int host_char) +{ + return ((*current_host_charset->host_char_print_literally) + (current_host_charset->host_char_print_literally_baton, + host_char)); +} + + +int +target_char_to_control_char (int target_char, int *target_ctrl_char) +{ + return ((*current_target_charset->target_char_to_control_char) + (current_target_charset->target_char_to_control_char_baton, + target_char, target_ctrl_char)); +} + + +int +host_char_to_target (int host_char, int *target_char) +{ + return ((*host_char_to_target_func) + (host_char_to_target_baton, host_char, target_char)); +} + + +int +target_char_to_host (int target_char, int *host_char) +{ + return ((*target_char_to_host_func) + (target_char_to_host_baton, target_char, host_char)); +} + + + +/* Commands. */ + + +/* List the valid character sets. If HOST_ONLY is non-zero, list only + those character sets which can be used as GDB's host character set. */ +static void +list_charsets (int host_only) +{ + struct charset *cs; + + printf_filtered ("Valid character sets are:\n"); + + for (cs = all_charsets; cs; cs = cs->next) + if (host_only && cs->valid_host_charset) + printf_filtered (" %s\n", cs->name); + else + printf_filtered (" %s %s\n", + cs->name, + cs->valid_host_charset ? "*" : " "); + + if (! host_only) + printf_filtered ("* - can be used as a host character set\n"); +} + + +static void +set_charset_command (char *arg, int from_tty) +{ + if (! arg || arg[0] == '\0') + list_charsets (0); + else + { + struct charset *cs = lookup_charset_or_error (arg); + check_valid_host_charset (cs); + set_host_and_target_charsets (cs, cs); + } +} + + +static void +set_host_charset_command (char *arg, int from_tty) +{ + if (! arg || arg[0] == '\0') + list_charsets (1); + else + { + struct charset *cs = lookup_charset_or_error (arg); + check_valid_host_charset (cs); + set_host_and_target_charsets (cs, current_target_charset); + } +} + + +static void +set_target_charset_command (char *arg, int from_tty) +{ + if (! arg || arg[0] == '\0') + list_charsets (0); + else + { + struct charset *cs = lookup_charset_or_error (arg); + set_host_and_target_charsets (current_host_charset, cs); + } +} + + +static void +show_charset_command (char *arg, int from_tty) +{ + if (current_host_charset == current_target_charset) + { + printf_filtered ("The current host and target character set is `%s'.\n", + host_charset ()); + } + else + { + printf_filtered ("The current host character set is `%s'.\n", + host_charset ()); + printf_filtered ("The current target character set is `%s'.\n", + target_charset ()); + } +} + + + +/* The charset.c module initialization function. */ + +#ifndef GDB_DEFAULT_HOST_CHARSET +#define GDB_DEFAULT_HOST_CHARSET "ISO-8859-1" +#endif + +#ifndef GDB_DEFAULT_TARGET_CHARSET +#define GDB_DEFAULT_TARGET_CHARSET "ISO-8859-1" +#endif + +void +_initialize_charset (void) +{ + /* Register all the character set GDB knows about. + + You should use the same names that iconv does, where possible, to + take advantage of the iconv-based default behaviors. + + CAUTION: if you register a character set, you must also register + as many translations as are necessary to make that character set + interoperate correctly with all the other character sets. We do + provide default behaviors when no translation is available, or + when a translation's function pointer for a particular operation + is zero. Hopefully, these defaults will be correct often enough + that we won't need to provide too many translations. */ + register_charset (simple_charset ("ascii", 1, + ascii_print_literally, 0, + ascii_to_control, 0)); + register_charset (iso_8859_family_charset ("iso-8859-1")); + register_charset (ebcdic_family_charset ("ebcdic-us")); + register_charset (ebcdic_family_charset ("ibm1047")); + register_iconv_charsets (); + + { + struct { char *from; char *to; int *table; } tlist[] = { + { "ascii", "iso-8859-1", ascii_to_iso_8859_1_table }, + { "ascii", "ebcdic-us", ascii_to_ebcdic_us_table }, + { "ascii", "ibm1047", ascii_to_ibm1047_table }, + { "iso-8859-1", "ascii", iso_8859_1_to_ascii_table }, + { "iso-8859-1", "ebcdic-us", iso_8859_1_to_ebcdic_us_table }, + { "iso-8859-1", "ibm1047", iso_8859_1_to_ibm1047_table }, + { "ebcdic-us", "ascii", ebcdic_us_to_ascii_table }, + { "ebcdic-us", "iso-8859-1", ebcdic_us_to_iso_8859_1_table }, + { "ebcdic-us", "ibm1047", ebcdic_us_to_ibm1047_table }, + { "ibm1047", "ascii", ibm1047_to_ascii_table }, + { "ibm1047", "iso-8859-1", ibm1047_to_iso_8859_1_table }, + { "ibm1047", "ebcdic-us", ibm1047_to_ebcdic_us_table } + }; + + int i; + + for (i = 0; i < (sizeof (tlist) / sizeof (tlist[0])); i++) + register_translation (simple_table_translation (tlist[i].from, + tlist[i].to, + tlist[i].table)); + } + + set_host_charset (GDB_DEFAULT_HOST_CHARSET); + set_target_charset (GDB_DEFAULT_TARGET_CHARSET); + + add_cmd ("charset", class_support, set_charset_command, + "Use CHARSET as the host and target character set.\n" + "The `host character set' is the one used by the system GDB is running on.\n" + "The `target character set' is the one used by the program being debugged.\n" + "You may only use supersets of ASCII for your host character set; GDB does\n" + "not support any others.\n" + "To see a list of the character sets GDB supports, type `set charset'\n" + "with no argument.", + &setlist); + + add_cmd ("host-charset", class_support, set_host_charset_command, + "Use CHARSET as the host character set.\n" + "The `host character set' is the one used by the system GDB is running on.\n" + "You may only use supersets of ASCII for your host character set; GDB does\n" + "not support any others.\n" + "To see a list of the character sets GDB supports, type `set host-charset'\n" + "with no argument.", + &setlist); + + add_cmd ("target-charset", class_support, set_target_charset_command, + "Use CHARSET as the target character set.\n" + "The `target character set' is the one used by the program being debugged.\n" + "GDB translates characters and strings between the host and target\n" + "character sets as needed.\n" + "To see a list of the character sets GDB supports, type `set target-charset'\n" + "with no argument.", + &setlist); + + add_cmd ("charset", class_support, show_charset_command, + "Show the current host and target character sets.", + &showlist); + add_alias_cmd ("host-charset", "charset", class_alias, 1, &showlist); + add_alias_cmd ("target-charset", "charset", class_alias, 1, &showlist); +} |