/* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
for now. */
/* I/O, string, cleanup, and other random utilities for GDB.
- Copyright (C) 1986-2017 Free Software Foundation, Inc.
+ Copyright (C) 1986-2019 Free Software Foundation, Inc.
This file is part of GDB.
extern int sevenbit_strings;
+/* Modes of operation for strncmp_iw_with_mode. */
+
+enum class strncmp_iw_mode
+{
+/* Do a strcmp() type operation on STRING1 and STRING2, ignoring any
+ differences in whitespace. Returns 0 if they match, non-zero if
+ they don't (slightly different than strcmp()'s range of return
+ values). */
+ NORMAL,
+
+ /* Like NORMAL, but also apply the strcmp_iw hack. I.e.,
+ string1=="FOO(PARAMS)" matches string2=="FOO". */
+ MATCH_PARAMS,
+};
+
+/* Helper for strcmp_iw and strncmp_iw. Exported so that languages
+ can implement both NORMAL and MATCH_PARAMS variants in a single
+ function and defer part of the work to strncmp_iw_with_mode.
+
+ LANGUAGE is used to implement some context-sensitive
+ language-specific comparisons. For example, for C++,
+ "string1=operator()" should not match "string2=operator" even in
+ MATCH_PARAMS mode.
+
+ MATCH_FOR_LCD is passed down so that the function can mark parts of
+ the symbol name as ignored for completion matching purposes (e.g.,
+ to handle abi tags). */
+extern int strncmp_iw_with_mode
+ (const char *string1, const char *string2, size_t string2_len,
+ strncmp_iw_mode mode, enum language language,
+ completion_match_for_lcd *match_for_lcd = NULL);
+
/* Do a strncmp() type operation on STRING1 and STRING2, ignoring any
differences in whitespace. STRING2_LEN is STRING2's length.
Returns 0 if STRING1 matches STRING2_LEN characters of STRING2,
non-zero otherwise (slightly different than strncmp()'s range of
- return values). */
+ return values). Note: passes language_minimal to
+ strncmp_iw_with_mode, and should therefore be avoided if a more
+ suitable language is available. */
extern int strncmp_iw (const char *string1, const char *string2,
size_t string2_len);
As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO".
This "feature" is useful when searching for matching C++ function
names (such as if the user types 'break FOO', where FOO is a
- mangled C++ function). */
+ mangled C++ function).
+
+ Note: passes language_minimal to strncmp_iw_with_mode, and should
+ therefore be avoided if a more suitable language is available. */
extern int strcmp_iw (const char *string1, const char *string2);
extern int strcmp_iw_ordered (const char *, const char *);
-extern int streq (const char *, const char *);
+/* Return true if the strings are equal. */
+
+extern bool streq (const char *, const char *);
+
+/* A variant of streq that is suitable for use as an htab
+ callback. */
+
+extern int streq_hash (const void *, const void *);
extern int subset_compare (const char *, const char *);
int compare_positive_ints (const void *ap, const void *bp);
-int compare_strings (const void *ap, const void *bp);
/* Compare C strings for std::sort. */
MATCHING, if non-NULL, is the corresponding argument to
bfd_check_format_matches, and will be freed. */
-extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
+extern std::string gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
/* Reset the prompt_for_continue clock. */
void reset_prompt_for_continue_wait_time (void);
\f
/* Cleanup utilities. */
-struct section_addr_info;
-extern struct cleanup *make_cleanup_free_section_addr_info
- (struct section_addr_info *);
-
-/* For make_cleanup_close see common/filestuff.h. */
-
-struct target_ops;
-extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
-
-extern struct cleanup *make_cleanup_value_free_to_mark (struct value *);
-
/* A deleter for a hash table. */
struct htab_deleter
{
int m_save_batch_flag;
};
-extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
\f
/* Path utilities. */
-extern gdb::unique_xmalloc_ptr<char> gdb_realpath (const char *);
-
-extern gdb::unique_xmalloc_ptr<char> gdb_realpath_keepfile (const char *);
-
-extern gdb::unique_xmalloc_ptr<char> gdb_abspath (const char *);
-
extern int gdb_filename_fnmatch (const char *pattern, const char *string,
int flags);
extern void fputstrn_filtered (const char *str, int n, int quotr,
struct ui_file * stream);
+typedef int (*do_fputc_ftype) (int c, ui_file *stream);
+
extern void fputstrn_unfiltered (const char *str, int n, int quotr,
+ do_fputc_ftype do_fputc,
struct ui_file * stream);
/* Return nonzero if filtered printing is initialized. */
extern int filtered_printing_initialized (void);
+/* Like fprintf_filtered, but styles the output according to STYLE,
+ when appropriate. */
+
+extern void fprintf_styled (struct ui_file *stream,
+ const ui_file_style &style,
+ const char *fmt,
+ ...)
+ ATTRIBUTE_PRINTF (3, 4);
+
+/* Like fputs_filtered, but styles the output according to STYLE, when
+ appropriate. */
+
+extern void fputs_styled (const char *linebuffer,
+ const ui_file_style &style,
+ struct ui_file *stream);
+
+/* Reset the terminal style to the default, if needed. */
+
+extern void reset_terminal_style (struct ui_file *stream);
+
+/* Return true if ANSI escapes can be used on STREAM. */
+
+extern bool can_emit_style_escape (struct ui_file *stream);
+
/* Display the host ADDR on STREAM formatted as ``0x%x''. */
extern void gdb_print_host_address_1 (const void *addr, struct ui_file *stream);
#define gdb_print_host_address(ADDR, STREAM) \
gdb_print_host_address_1 ((const void *) ADDR, STREAM)
+/* Return the address only having significant bits. */
+extern CORE_ADDR address_significant (gdbarch *gdbarch, CORE_ADDR addr);
+
/* Convert CORE_ADDR to string in platform-specific manner.
This is usually formatted similar to 0x%lx. */
extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
extern int myread (int, char *, int);
-/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
- power of 2). Round up/down when necessary. Examples of correct
- use include:
-
- addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
- write_memory (addr, value, len);
- addr += len;
-
- and:
-
- sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
- write_memory (sp, value, len);
-
- Note that uses such as:
-
- write_memory (addr, value, len);
- addr += align_up (len, 8);
-
- and:
-
- sp -= align_up (len, 8);
- write_memory (sp, value, len);
-
- are typically not correct as they don't ensure that the address (SP
- or ADDR) is correctly aligned (relying on previous alignment to
- keep things right). This is also why the methods are called
- "align_..." instead of "round_..." as the latter reads better with
- this incorrect coding style. */
-
-extern ULONGEST align_up (ULONGEST v, int n);
-extern ULONGEST align_down (ULONGEST v, int n);
-
/* Resource limits used by getrlimit and setrlimit. */
enum resource_limit_kind
extern char *make_hex_string (const gdb_byte *data, size_t length);
+/* Copy NBITS bits from SOURCE to DEST starting at the given bit
+ offsets. Use the bit order as specified by BITS_BIG_ENDIAN.
+ Source and destination buffers must not overlap. */
+
+extern void copy_bitwise (gdb_byte *dest, ULONGEST dest_offset,
+ const gdb_byte *source, ULONGEST source_offset,
+ ULONGEST nbits, int bits_big_endian);
+
#endif /* UTILS_H */