X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Futils.h;h=71860191403508bbf706f4c2a6a0ab4e3269e1f7;hb=84e098cdea4eb6a5ddc525a2145ffe66475fa2af;hp=f0cb48e7a552e54711803516cb066fa7be675d38;hpb=0ccf4211fdec30fab46a5552ecfbe8e7ca98d50f;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/utils.h b/gdb/utils.h index f0cb48e7a5..7186019140 100644 --- a/gdb/utils.h +++ b/gdb/utils.h @@ -22,14 +22,19 @@ #define UTILS_H #include "exceptions.h" -#include "common/scoped_restore.h" +#include "gdbsupport/scoped_restore.h" #include -extern void initialize_utils (void); +#ifdef HAVE_LIBXXHASH +#include +#endif + +struct completion_match_for_lcd; +class compiled_regex; /* String utilities. */ -extern int sevenbit_strings; +extern bool sevenbit_strings; /* Modes of operation for strncmp_iw_with_mode. */ @@ -100,8 +105,6 @@ 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); - /* Compare C strings for std::sort. */ static inline bool @@ -122,7 +125,7 @@ void reset_prompt_for_continue_wait_time (void); /* Return the time spent in prompt_for_continue. */ std::chrono::steady_clock::duration get_prompt_for_continue_wait_time (); -/* Parsing utilites. */ +/* Parsing utilities. */ extern int parse_pid_to_attach (const char *args); @@ -143,10 +146,7 @@ public: } /* A constructor that calls buildargv on STR. STR may be NULL, in - which case this object is initialized with a NULL array. If - buildargv fails due to out-of-memory, call malloc_failure. - Therefore, the value is guaranteed to be non-NULL, unless the - parameter itself is NULL. */ + which case this object is initialized with a NULL array. */ explicit gdb_argv (const char *str) : m_argv (NULL) @@ -313,7 +313,7 @@ extern void wrap_here (const char *); extern void reinitialize_more_filter (void); -extern int pagination_enabled; +extern bool pagination_enabled; extern struct ui_file **current_ui_gdb_stdout_ptr (void); extern struct ui_file **current_ui_gdb_stdin_ptr (void); @@ -349,7 +349,10 @@ extern struct ui_file *gdb_stdtargin; extern void set_screen_width_and_height (int width, int height); /* More generic printf like operations. Filtered versions may return - non-locally on error. */ + non-locally on error. As an extension over plain printf, these + support some GDB-specific format specifiers. Particularly useful + here are the styling formatters: '%p[', '%p]' and '%ps'. See + ui_out::message for details. */ extern void fputs_filtered (const char *, struct ui_file *); @@ -429,6 +432,20 @@ extern void fprintf_styled (struct ui_file *stream, ...) ATTRIBUTE_PRINTF (3, 4); +extern void vfprintf_styled (struct ui_file *stream, + const ui_file_style &style, + const char *fmt, + va_list args) + ATTRIBUTE_PRINTF (3, 0); + +/* Like vfprintf_styled, but do not process gdb-specific format + specifiers. */ +extern void vfprintf_styled_no_gdbfmt (struct ui_file *stream, + const ui_file_style &style, + bool filter, + const char *fmt, va_list args) + ATTRIBUTE_PRINTF (4, 0); + /* Like fputs_filtered, but styles the output according to STYLE, when appropriate. */ @@ -436,13 +453,21 @@ 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. */ +/* Unfiltered variant of fputs_styled. */ -extern void reset_terminal_style (struct ui_file *stream); +extern void fputs_styled_unfiltered (const char *linebuffer, + const ui_file_style &style, + struct ui_file *stream); + +/* Like fputs_styled, but uses highlight_style to highlight the + parts of STR that match HIGHLIGHT. */ + +extern void fputs_highlighted (const char *str, const compiled_regex &highlight, + struct ui_file *stream); -/* Return true if ANSI escapes can be used on STREAM. */ +/* Reset the terminal style to the default, if needed. */ -extern bool can_emit_style_escape (struct ui_file *stream); +extern void reset_terminal_style (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); @@ -535,11 +560,6 @@ extern void warn_cant_dump_core (const char *reason); extern void dump_core (void); -/* Return the hex string form of LENGTH bytes of DATA. - Space for the result is malloc'd, caller must free. */ - -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. */ @@ -548,4 +568,19 @@ extern void copy_bitwise (gdb_byte *dest, ULONGEST dest_offset, const gdb_byte *source, ULONGEST source_offset, ULONGEST nbits, int bits_big_endian); +/* A fast hashing function. This can be used to hash data in a fast way + when the length is known. If no fast hashing library is available, falls + back to iterative_hash from libiberty. START_VALUE can be set to + continue hashing from a previous value. */ + +static inline unsigned int +fast_hash (const void *ptr, size_t len, unsigned int start_value = 0) +{ +#ifdef HAVE_LIBXXHASH + return XXH64 (ptr, len, start_value); +#else + return iterative_hash (ptr, len, start_value); +#endif +} + #endif /* UTILS_H */