133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
/*
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* This file is part of the Black Magic Debug project.
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*
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* Copyright (C) 2016 Black Sphere Technologies Ltd.
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* Written by Gareth McMullin <gareth@blacksphere.co.nz>
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*
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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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*
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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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*
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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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*/
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#include "general.h"
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#include "target.h"
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#include "gdb_main.h"
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#include "gdb_hostio.h"
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#include "gdb_packet.h"
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int gdb_main_loop(struct target_controller *, bool in_syscall);
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int hostio_reply(struct target_controller *tc, char *pbuf, int len)
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{
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(void)len;
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int retcode, items, errno_;
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char c, *p;
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if (pbuf[1] == '-')
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p = &pbuf[2];
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else
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p = &pbuf[1];
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items = sscanf(p, "%x,%x,%c", &retcode, &errno_, &c);
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if (pbuf[1] == '-')
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retcode = -retcode;
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/* if break is requested */
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tc->interrupted = items == 3 && c == 'C';
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tc->errno_ = errno_;
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return retcode;
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}
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/* Interface to host system calls */
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int hostio_open(struct target_controller *tc,
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target_addr path, size_t path_len,
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enum target_open_flags flags, mode_t mode)
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{
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gdb_putpacket_f("Fopen,%08X/%X,%08X,%08X", path, path_len, flags, mode);;;;
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return gdb_main_loop(tc, true);
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}
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int hostio_close(struct target_controller *tc, int fd)
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{
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gdb_putpacket_f("Fclose,%08X", fd);
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return gdb_main_loop(tc, true);
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}
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int hostio_read(struct target_controller *tc,
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int fd, target_addr buf, unsigned int count)
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{
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gdb_putpacket_f("Fread,%08X,%08X,%08X", fd, buf, count);
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return gdb_main_loop(tc, true);
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}
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int hostio_write(struct target_controller *tc,
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int fd, target_addr buf, unsigned int count)
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{
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gdb_putpacket_f("Fwrite,%08X,%08X,%08X", fd, buf, count);
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return gdb_main_loop(tc, true);
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}
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long hostio_lseek(struct target_controller *tc,
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int fd, long offset, enum target_seek_flag flag)
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{
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gdb_putpacket_f("Flseek,%08X,%08X,%08X", fd, offset, flag);
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return gdb_main_loop(tc, true);
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}
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int hostio_rename(struct target_controller *tc,
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target_addr oldpath, size_t old_len,
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target_addr newpath, size_t new_len)
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{
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gdb_putpacket_f("Frename,%08X/%X,%08X/%X",
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oldpath, old_len, newpath, new_len);
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return gdb_main_loop(tc, true);
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}
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int hostio_unlink(struct target_controller *tc,
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target_addr path, size_t path_len)
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{
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gdb_putpacket_f("Funlink,%08X/%X", path, path_len);
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return gdb_main_loop(tc, true);
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}
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int hostio_stat(struct target_controller *tc,
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target_addr path, size_t path_len, target_addr buf)
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{
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gdb_putpacket_f("Fstat,%08X/%X,%08X", path, path_len, buf);
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return gdb_main_loop(tc, true);
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}
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int hostio_fstat(struct target_controller *tc, int fd, target_addr buf)
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{
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gdb_putpacket_f("Ffstat,%X,%08X", fd, buf);
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return gdb_main_loop(tc, true);
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}
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int hostio_gettimeofday(struct target_controller *tc,
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target_addr tv, target_addr tz)
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{
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gdb_putpacket_f("Fgettimeofday,%08X,%08X", tv, tz);
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return gdb_main_loop(tc, true);
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}
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int hostio_isatty(struct target_controller *tc, int fd)
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{
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gdb_putpacket_f("Fisatty,%08X", fd);
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return gdb_main_loop(tc, true);
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}
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int hostio_system(struct target_controller *tc,
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target_addr cmd, size_t cmd_len)
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{
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gdb_putpacket_f("Fsystem,%08X/%X", cmd, cmd_len);
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return gdb_main_loop(tc, true);
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}
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