3877a1459b
* cpu.h (m32c_opcode_pc): New. (in_gdb): New. * gdb-if.c (sim_open): Add Timer A support. Support unbuffered console. * int.c (trigger_interrupt): Manage the U flag properly. (trigger_based_interrupt): Likewise. (trigger_fixed_interrupt): New. (trigger_peripheral_interrupt): New. * int.h (trigger_peripheral_interrupt): New. * m32c.opc: Use m32c_opcode_pc throughout, as needed. (decode_m32c): Detect jump-to-zero with traceback. (BRK): Try to do the right thing, keeping track of whether we're in gdb or not, and if the user has provided a handler or not. (GBRK): Alternate break opcode for gdb, in case the user's app needs to use BRK for itself. (BRK2): Implement. * main.c: Add Timer A support. Support TCP-based console. (setup_tcp_console): New. (main): Add Timer A support. Support TCP-based console. * mem.c: Add Timer A support. Support TCP-based console. (mem_ptr): Enhance NULL pointer detection. (stdin_ready): New. (m32c_sim_restore_console): New. (mem_get_byte): Check for console input ready. (update_timer_a): New. * r8c.opc (SSTR): Use r0l, not r0h. (REIT): Fix return frame logic. * reg.c (print_flags): New. (trace_register_changes): Use it. (m32c_dump_all_registers): New. * timer_a.h: New. * load.c: Fix indentation. * trace.c: Fix indentation. * trace.h: Fix indentation.
70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/* safe-fgets.c --- like fgets, but allocates its own static buffer.
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Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc.
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Contributed by Red Hat, Inc.
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This file is part of the GNU simulators.
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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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#include <stdio.h>
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#include <stdlib.h>
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#include "safe-fgets.h"
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static char *line_buf = 0;
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static int line_buf_size = 0;
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#define LBUFINCR 100
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char *
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safe_fgets (FILE * f)
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{
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char *line_ptr;
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if (line_buf == 0)
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{
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line_buf = (char *) malloc (LBUFINCR);
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line_buf_size = LBUFINCR;
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}
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/* points to last byte */
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line_ptr = line_buf + line_buf_size - 1;
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/* so we can see if fgets put a 0 there */
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*line_ptr = 1;
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if (fgets (line_buf, line_buf_size, f) == 0)
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return 0;
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/* we filled the buffer? */
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while (line_ptr[0] == 0 && line_ptr[-1] != '\n')
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{
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/* Make the buffer bigger and read more of the line */
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line_buf_size += LBUFINCR;
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line_buf = (char *) realloc (line_buf, line_buf_size);
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/* points to last byte again */
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line_ptr = line_buf + line_buf_size - 1;
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/* so we can see if fgets put a 0 there */
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*line_ptr = 1;
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if (fgets (line_buf + line_buf_size - LBUFINCR - 1, LBUFINCR + 1, f) ==
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0)
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return 0;
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}
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return line_buf;
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}
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