derek.holloway
7502bf64a4
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85 lines
3.2 KiB
C++
85 lines
3.2 KiB
C++
/* Low-level RSP routines for GDB, the GNU debugger.
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Copyright (C) 1988-2024 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef GDBSUPPORT_RSP_LOW_H
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#define GDBSUPPORT_RSP_LOW_H
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/* Convert number NIB to a hex digit. */
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extern int tohex (int nib);
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/* Write a character representing the low order four bits of NIBBLE in
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hex to *BUF. Returns BUF+1. */
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extern char *pack_nibble (char *buf, int nibble);
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/* Write the low byte of BYTE in hex to *BUF. Returns BUF+2. */
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extern char *pack_hex_byte (char *pkt, int byte);
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/* Read hex digits from BUFF and convert to a number, which is stored
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in RESULT. Reads until a non-hex digit is seen. Returns a pointer
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to the terminating character. */
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extern const char *unpack_varlen_hex (const char *buff, ULONGEST *result);
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/* Like hex2bin, but return a std::string. */
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extern std::string hex2str (const char *hex);
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/* Like hex2bin, but return a std::string. */
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extern std::string hex2str (const char *hex, int count);
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/* Convert some bytes to a hexadecimal representation. BIN holds the
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bytes to convert. COUNT says how many bytes to convert. The
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resulting characters are stored in HEX, followed by a NUL
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character. Returns the number of bytes actually converted. */
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extern int bin2hex (const gdb_byte *bin, char *hex, int count);
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extern int bin2hex (gdb::array_view<gdb_byte> bin, char *hex);
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/* Overloaded version of bin2hex that returns a std::string. */
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extern std::string bin2hex (const gdb_byte *bin, int count);
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/* Convert BUFFER, binary data at least LEN_UNITS addressable memory units
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long, into escaped binary data in OUT_BUF. Only copy memory units that fit
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completely in OUT_BUF. Set *OUT_LEN_UNITS to the number of units from
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BUFFER successfully encoded in OUT_BUF, and return the number of bytes used
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in OUT_BUF. The total number of bytes in the output buffer will be at most
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OUT_MAXLEN_BYTES. This function properly escapes '*', and so is suitable
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for the server side as well as the client. */
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extern int remote_escape_output (const gdb_byte *buffer, int len_units,
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int unit_size, gdb_byte *out_buf,
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int *out_len_units, int out_maxlen_bytes);
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/* Convert BUFFER, escaped data LEN bytes long, into binary data
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in OUT_BUF. Return the number of bytes written to OUT_BUF.
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Raise an error if the total number of bytes exceeds OUT_MAXLEN.
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This function reverses remote_escape_output. */
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extern int remote_unescape_input (const gdb_byte *buffer, int len,
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gdb_byte *out_buf, int out_maxlen);
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#endif /* GDBSUPPORT_RSP_LOW_H */
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