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dpavlin |
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/* |
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* Copyright (C) 2004-2006 Anders Gavare. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* |
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* $Id: debugger_cmds.c,v 1.4 2006/06/16 18:31:26 debug Exp $ |
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* |
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* Debugger commands. Included from debugger.c. |
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*/ |
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34 |
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/* |
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* debugger_cmd_allsettings(): |
36 |
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*/ |
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static void debugger_cmd_allsettings(struct machine *m, char *cmd_line) |
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{ |
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settings_debugdump(global_settings, GLOBAL_SETTINGS_NAME, 1); |
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} |
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/* |
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* debugger_cmd_breakpoint(): |
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* |
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* TODO: automagic "expansion" for the subcommand names (s => show). |
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*/ |
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static void debugger_cmd_breakpoint(struct machine *m, char *cmd_line) |
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{ |
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int i, res; |
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while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
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cmd_line ++; |
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if (cmd_line[0] == '\0') { |
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printf("syntax: breakpoint subcmd [args...]\n"); |
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printf("Available subcmds (and args) are:\n"); |
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printf(" add addr add a breakpoint for address addr\n"); |
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printf(" delete x delete breakpoint nr x\n"); |
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printf(" show show current breakpoints\n"); |
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return; |
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} |
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if (strcmp(cmd_line, "show") == 0) { |
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if (m->n_breakpoints == 0) |
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printf("No breakpoints set.\n"); |
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for (i=0; i<m->n_breakpoints; i++) |
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show_breakpoint(m, i); |
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return; |
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} |
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if (strncmp(cmd_line, "delete ", 7) == 0) { |
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int x = atoi(cmd_line + 7); |
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if (m->n_breakpoints == 0) { |
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printf("No breakpoints set.\n"); |
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return; |
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} |
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if (x < 0 || x >= m->n_breakpoints) { |
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printf("Invalid breakpoint nr %i. Use 'breakpoint " |
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"show' to see the current breakpoints.\n", x); |
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return; |
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} |
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free(m->breakpoint_string[x]); |
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for (i=x; i<m->n_breakpoints-1; i++) { |
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m->breakpoint_addr[i] = m->breakpoint_addr[i+1]; |
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m->breakpoint_string[i] = m->breakpoint_string[i+1]; |
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m->breakpoint_flags[i] = m->breakpoint_flags[i+1]; |
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} |
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m->n_breakpoints --; |
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/* Clear translations: */ |
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for (i=0; i<m->ncpus; i++) |
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if (m->cpus[i]->translation_cache != NULL) |
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cpu_create_or_reset_tc(m->cpus[i]); |
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return; |
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} |
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if (strncmp(cmd_line, "add ", 4) == 0) { |
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uint64_t tmp; |
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size_t breakpoint_buf_len; |
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if (m->n_breakpoints >= MAX_BREAKPOINTS) { |
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printf("Too many breakpoints. (You need to recompile" |
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" gxemul to increase this. Max = %i.)\n", |
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MAX_BREAKPOINTS); |
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return; |
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} |
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i = m->n_breakpoints; |
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res = debugger_parse_name(m, cmd_line + 4, 0, &tmp); |
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if (!res) { |
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printf("Couldn't parse '%s'\n", cmd_line + 4); |
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return; |
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} |
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breakpoint_buf_len = strlen(cmd_line+4) + 1; |
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m->breakpoint_string[i] = malloc(breakpoint_buf_len); |
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if (m->breakpoint_string[i] == NULL) { |
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printf("out of memory in debugger_cmd_breakpoint()\n"); |
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exit(1); |
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} |
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strlcpy(m->breakpoint_string[i], cmd_line+4, |
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breakpoint_buf_len); |
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m->breakpoint_addr[i] = tmp; |
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m->breakpoint_flags[i] = 0; |
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m->n_breakpoints ++; |
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show_breakpoint(m, i); |
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/* Clear translations: */ |
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for (i=0; i<m->ncpus; i++) |
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if (m->cpus[i]->translation_cache != NULL) |
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cpu_create_or_reset_tc(m->cpus[i]); |
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return; |
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} |
140 |
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printf("Unknown breakpoint subcommand.\n"); |
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} |
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144 |
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/* |
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* debugger_cmd_continue(): |
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*/ |
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static void debugger_cmd_continue(struct machine *m, char *cmd_line) |
149 |
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{ |
150 |
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if (*cmd_line) { |
151 |
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printf("syntax: continue\n"); |
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return; |
153 |
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} |
154 |
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exit_debugger = 1; |
156 |
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} |
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158 |
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159 |
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/* |
160 |
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* debugger_cmd_device(): |
161 |
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*/ |
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static void debugger_cmd_device(struct machine *m, char *cmd_line) |
163 |
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{ |
164 |
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int i; |
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struct memory *mem; |
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struct cpu *c; |
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if (cmd_line[0] == '\0') |
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goto return_help; |
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if (m->cpus == NULL) { |
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printf("No cpus (?)\n"); |
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return; |
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} |
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c = m->cpus[m->bootstrap_cpu]; |
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if (c == NULL) { |
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printf("m->cpus[m->bootstrap_cpu] = NULL\n"); |
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return; |
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} |
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mem = m->cpus[m->bootstrap_cpu]->mem; |
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if (m->cpus == NULL) { |
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printf("No cpus (?)\n"); |
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return; |
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} |
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c = m->cpus[m->bootstrap_cpu]; |
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if (c == NULL) { |
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printf("m->cpus[m->bootstrap_cpu] = NULL\n"); |
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return; |
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} |
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mem = m->cpus[m->bootstrap_cpu]->mem; |
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if (strcmp(cmd_line, "all") == 0) { |
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device_dumplist(); |
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} else if (strncmp(cmd_line, "add ", 4) == 0) { |
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device_add(m, cmd_line+4); |
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} else if (strcmp(cmd_line, "consoles") == 0) { |
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console_debug_dump(m); |
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} else if (strncmp(cmd_line, "remove ", 7) == 0) { |
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i = atoi(cmd_line + 7); |
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if (i==0 && cmd_line[7]!='0') { |
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printf("Weird device number. Use 'device list'.\n"); |
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} else |
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memory_device_remove(m->memory, i); |
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} else if (strcmp(cmd_line, "list") == 0) { |
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if (mem->n_mmapped_devices == 0) |
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printf("No memory-mapped devices in this machine.\n"); |
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for (i=0; i<mem->n_mmapped_devices; i++) { |
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printf("%2i: %25s @ 0x%011"PRIx64", len = 0x%"PRIx64, |
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i, mem->dev_name[i], |
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(uint64_t) mem->dev_baseaddr[i], |
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(uint64_t) mem->dev_length[i]); |
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if (mem->dev_flags[i]) { |
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printf(" ("); |
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if (mem->dev_flags[i] & DM_DYNTRANS_OK) |
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printf("DYNTRANS R"); |
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if (mem->dev_flags[i] & DM_DYNTRANS_WRITE_OK) |
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printf("+W"); |
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printf(")"); |
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} |
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printf("\n"); |
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} |
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} else |
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goto return_help; |
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return; |
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return_help: |
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printf("syntax: devices cmd [...]\n"); |
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printf("Available cmds are:\n"); |
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printf(" add name_and_params add a device to the current " |
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"machine\n"); |
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printf(" all list all registered devices\n"); |
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printf(" consoles list all slave consoles\n"); |
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printf(" list list memory-mapped devices in the" |
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" current machine\n"); |
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printf(" remove x remove device nr x from the " |
240 |
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"current machine\n"); |
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} |
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/* |
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* debugger_cmd_dump(): |
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* |
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* Dump emulated memory in hex and ASCII. |
248 |
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* |
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* syntax: dump [addr [endaddr]] |
250 |
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*/ |
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static void debugger_cmd_dump(struct machine *m, char *cmd_line) |
252 |
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{ |
253 |
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uint64_t addr, addr_start, addr_end; |
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struct cpu *c; |
255 |
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struct memory *mem; |
256 |
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char *p = NULL; |
257 |
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int x, r; |
258 |
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259 |
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if (cmd_line[0] != '\0') { |
260 |
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uint64_t tmp; |
261 |
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char *tmps = strdup(cmd_line); |
262 |
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263 |
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/* addr: */ |
264 |
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p = strchr(tmps, ' '); |
265 |
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if (p != NULL) |
266 |
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*p = '\0'; |
267 |
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r = debugger_parse_name(m, tmps, 0, &tmp); |
268 |
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free(tmps); |
269 |
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270 |
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if (r == NAME_PARSE_NOMATCH || r == NAME_PARSE_MULTIPLE) { |
271 |
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printf("Unparsable address: %s\n", cmd_line); |
272 |
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return; |
273 |
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} else { |
274 |
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last_dump_addr = tmp; |
275 |
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} |
276 |
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277 |
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p = strchr(cmd_line, ' '); |
278 |
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} |
279 |
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280 |
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addr_start = last_dump_addr; |
281 |
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282 |
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if (addr_start == MAGIC_UNTOUCHED) { |
283 |
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uint64_t tmp; |
284 |
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int match_register = 0; |
285 |
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cpu_register_match(m, "pc", 0, &tmp, &match_register); |
286 |
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if (match_register) { |
287 |
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addr_start = tmp; |
288 |
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} else { |
289 |
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printf("No starting address.\n"); |
290 |
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return; |
291 |
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} |
292 |
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} |
293 |
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294 |
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addr_end = addr_start + 16 * 16; |
295 |
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296 |
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/* endaddr: */ |
297 |
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if (p != NULL) { |
298 |
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while (*p == ' ' && *p) |
299 |
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p++; |
300 |
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r = debugger_parse_name(m, p, 0, &addr_end); |
301 |
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if (r == NAME_PARSE_NOMATCH || r == NAME_PARSE_MULTIPLE) { |
302 |
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printf("Unparsable address: %s\n", cmd_line); |
303 |
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return; |
304 |
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} |
305 |
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} |
306 |
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307 |
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if (m->cpus == NULL) { |
308 |
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printf("No cpus (?)\n"); |
309 |
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return; |
310 |
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} |
311 |
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c = m->cpus[m->bootstrap_cpu]; |
312 |
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if (c == NULL) { |
313 |
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printf("m->cpus[m->bootstrap_cpu] = NULL\n"); |
314 |
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return; |
315 |
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} |
316 |
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mem = m->cpus[m->bootstrap_cpu]->mem; |
317 |
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318 |
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addr = addr_start & ~0xf; |
319 |
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320 |
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ctrl_c = 0; |
321 |
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322 |
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while (addr < addr_end) { |
323 |
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unsigned char buf[16]; |
324 |
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memset(buf, 0, sizeof(buf)); |
325 |
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r = c->memory_rw(c, mem, addr, &buf[0], sizeof(buf), |
326 |
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MEM_READ, CACHE_NONE | NO_EXCEPTIONS); |
327 |
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328 |
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if (c->is_32bit) |
329 |
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printf("0x%08"PRIx32" ", (uint32_t) addr); |
330 |
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else |
331 |
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printf("0x%016"PRIx64" ", (uint64_t) addr); |
332 |
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333 |
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if (r == MEMORY_ACCESS_FAILED) |
334 |
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printf("(memory access failed)\n"); |
335 |
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else { |
336 |
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for (x=0; x<16; x++) { |
337 |
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if (addr + x >= addr_start && |
338 |
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addr + x < addr_end) |
339 |
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printf("%02x%s", buf[x], |
340 |
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(x&3)==3? " " : ""); |
341 |
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else |
342 |
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printf(" %s", (x&3)==3? " " : ""); |
343 |
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} |
344 |
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printf(" "); |
345 |
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for (x=0; x<16; x++) { |
346 |
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if (addr + x >= addr_start && |
347 |
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addr + x < addr_end) |
348 |
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printf("%c", (buf[x]>=' ' && |
349 |
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buf[x]<127)? buf[x] : '.'); |
350 |
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else |
351 |
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printf(" "); |
352 |
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} |
353 |
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printf("\n"); |
354 |
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} |
355 |
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356 |
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if (ctrl_c) |
357 |
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return; |
358 |
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359 |
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addr += sizeof(buf); |
360 |
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} |
361 |
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362 |
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last_dump_addr = addr_end; |
363 |
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|
364 |
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strlcpy(repeat_cmd, "dump", MAX_CMD_BUFLEN); |
365 |
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} |
366 |
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367 |
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368 |
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/* |
369 |
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* debugger_cmd_emuls(): |
370 |
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* |
371 |
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* Dump info about all current emuls. |
372 |
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*/ |
373 |
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static void debugger_cmd_emuls(struct machine *m, char *cmd_line) |
374 |
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{ |
375 |
|
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int i, iadd = DEBUG_INDENTATION; |
376 |
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|
377 |
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if (*cmd_line) { |
378 |
|
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printf("syntax: emuls\n"); |
379 |
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return; |
380 |
|
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} |
381 |
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|
382 |
|
|
for (i=0; i<debugger_n_emuls; i++) { |
383 |
|
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struct emul *e = debugger_emuls[i]; |
384 |
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|
385 |
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if (e == NULL) |
386 |
|
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continue; |
387 |
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|
|
388 |
|
|
debug("emulation %i: \"%s\"\n", i, |
389 |
|
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e->name == NULL? "(no name)" : e->name); |
390 |
|
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debug_indentation(iadd); |
391 |
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|
392 |
|
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emul_dumpinfo(e); |
393 |
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|
394 |
|
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debug_indentation(-iadd); |
395 |
|
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} |
396 |
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} |
397 |
|
|
|
398 |
|
|
|
399 |
|
|
/* |
400 |
|
|
* debugger_cmd_focus(): |
401 |
|
|
* |
402 |
|
|
* Changes focus to specific machine (in a specific emulation). |
403 |
|
|
*/ |
404 |
|
|
static void debugger_cmd_focus(struct machine *m, char *cmd_line) |
405 |
|
|
{ |
406 |
|
|
int x = -1, y = -1; |
407 |
|
|
char *p; |
408 |
|
|
|
409 |
|
|
if (!cmd_line[0]) { |
410 |
|
|
printf("syntax: focus x[,y]\n"); |
411 |
|
|
printf("where x and y are integers as reported by the" |
412 |
|
|
" 'emuls' command\n"); |
413 |
|
|
goto print_current_focus_and_return; |
414 |
|
|
} |
415 |
|
|
|
416 |
|
|
x = atoi(cmd_line); |
417 |
|
|
p = strchr(cmd_line, ','); |
418 |
|
|
if (p == cmd_line) { |
419 |
|
|
printf("No machine number specified?\n"); |
420 |
|
|
printf("syntax: focus x[,y]\n"); |
421 |
|
|
return; |
422 |
|
|
} |
423 |
|
|
|
424 |
|
|
if (p != NULL) |
425 |
|
|
y = atoi(p + 1); |
426 |
|
|
|
427 |
|
|
if (y != -1) { |
428 |
|
|
/* Change emul: */ |
429 |
|
|
if (y < 0 || y >= debugger_n_emuls) { |
430 |
|
|
printf("Invalid emul number: %i\n", y); |
431 |
|
|
return; |
432 |
|
|
} |
433 |
|
|
|
434 |
|
|
debugger_emul = debugger_emuls[y]; |
435 |
|
|
|
436 |
|
|
/* This is just in case the machine change below fails... */ |
437 |
|
|
debugger_machine = debugger_emul->machines[0]; |
438 |
|
|
} |
439 |
|
|
|
440 |
|
|
/* Change machine: */ |
441 |
|
|
if (x < 0 || x >= debugger_emul->n_machines) { |
442 |
|
|
printf("Invalid machine number: %i\n", x); |
443 |
|
|
return; |
444 |
|
|
} |
445 |
|
|
|
446 |
|
|
debugger_machine = debugger_emul->machines[x]; |
447 |
|
|
|
448 |
|
|
print_current_focus_and_return: |
449 |
|
|
printf("current emul: \"%s\"\n", debugger_emul->name == NULL? |
450 |
|
|
"(no name)" : debugger_emul->name); |
451 |
|
|
printf("current machine: \"%s\"\n", debugger_machine->name == NULL? |
452 |
|
|
"(no name)" : debugger_machine->name); |
453 |
|
|
} |
454 |
|
|
|
455 |
|
|
|
456 |
|
|
/* This is defined below. */ |
457 |
|
|
static void debugger_cmd_help(struct machine *m, char *cmd_line); |
458 |
|
|
|
459 |
|
|
|
460 |
|
|
/* |
461 |
|
|
* debugger_cmd_itrace(): |
462 |
|
|
*/ |
463 |
|
|
static void debugger_cmd_itrace(struct machine *m, char *cmd_line) |
464 |
|
|
{ |
465 |
|
|
if (*cmd_line) { |
466 |
|
|
printf("syntax: itrace\n"); |
467 |
|
|
return; |
468 |
|
|
} |
469 |
|
|
|
470 |
|
|
old_instruction_trace = 1 - old_instruction_trace; |
471 |
|
|
printf("instruction_trace = %s\n", old_instruction_trace? "ON":"OFF"); |
472 |
|
|
/* TODO: how to preserve quiet_mode? */ |
473 |
|
|
old_quiet_mode = 0; |
474 |
|
|
printf("quiet_mode = %s\n", old_quiet_mode? "ON" : "OFF"); |
475 |
|
|
} |
476 |
|
|
|
477 |
|
|
|
478 |
|
|
/* |
479 |
|
|
* debugger_cmd_lookup(): |
480 |
|
|
*/ |
481 |
|
|
static void debugger_cmd_lookup(struct machine *m, char *cmd_line) |
482 |
|
|
{ |
483 |
|
|
uint64_t addr; |
484 |
|
|
int res; |
485 |
|
|
char *symbol; |
486 |
|
|
uint64_t offset; |
487 |
|
|
|
488 |
|
|
if (cmd_line[0] == '\0') { |
489 |
|
|
printf("syntax: lookup name|addr\n"); |
490 |
|
|
return; |
491 |
|
|
|
492 |
|
|
} |
493 |
|
|
|
494 |
|
|
/* Addresses never need to be given in decimal form anyway, |
495 |
|
|
so assuming hex here will be ok. */ |
496 |
|
|
addr = strtoull(cmd_line, NULL, 16); |
497 |
|
|
|
498 |
|
|
if (addr == 0) { |
499 |
|
|
uint64_t newaddr; |
500 |
|
|
res = get_symbol_addr(&m->symbol_context, |
501 |
|
|
cmd_line, &newaddr); |
502 |
|
|
if (!res) { |
503 |
|
|
printf("lookup for '%s' failed\n", cmd_line); |
504 |
|
|
return; |
505 |
|
|
} |
506 |
|
|
printf("%s = 0x", cmd_line); |
507 |
|
|
if (m->cpus[0]->is_32bit) |
508 |
|
|
printf("%08"PRIx32"\n", (uint32_t) newaddr); |
509 |
|
|
else |
510 |
|
|
printf("%016"PRIx64"\n", (uint64_t) newaddr); |
511 |
|
|
return; |
512 |
|
|
} |
513 |
|
|
|
514 |
|
|
symbol = get_symbol_name(&m->symbol_context, addr, &offset); |
515 |
|
|
|
516 |
|
|
if (symbol != NULL) { |
517 |
|
|
if (m->cpus[0]->is_32bit) |
518 |
|
|
printf("0x%08"PRIx32, (uint32_t) addr); |
519 |
|
|
else |
520 |
|
|
printf("0x%016"PRIx64, (uint64_t) addr); |
521 |
|
|
printf(" = %s\n", symbol); |
522 |
|
|
} else |
523 |
|
|
printf("lookup for '%s' failed\n", cmd_line); |
524 |
|
|
} |
525 |
|
|
|
526 |
|
|
|
527 |
|
|
/* |
528 |
|
|
* debugger_cmd_machine(): |
529 |
|
|
* |
530 |
|
|
* Dump info about the currently focused machine. |
531 |
|
|
*/ |
532 |
|
|
static void debugger_cmd_machine(struct machine *m, char *cmd_line) |
533 |
|
|
{ |
534 |
|
|
int iadd = DEBUG_INDENTATION; |
535 |
|
|
|
536 |
|
|
if (*cmd_line) { |
537 |
|
|
printf("syntax: machine\n"); |
538 |
|
|
return; |
539 |
|
|
} |
540 |
|
|
|
541 |
|
|
debug("machine \"%s\":\n", m->name); |
542 |
|
|
debug_indentation(iadd); |
543 |
|
|
machine_dumpinfo(m); |
544 |
|
|
debug_indentation(-iadd); |
545 |
|
|
} |
546 |
|
|
|
547 |
|
|
|
548 |
|
|
/* |
549 |
|
|
* debugger_cmd_ninstrs(): |
550 |
|
|
*/ |
551 |
|
|
static void debugger_cmd_ninstrs(struct machine *m, char *cmd_line) |
552 |
|
|
{ |
553 |
|
|
int toggle = 1; |
554 |
|
|
int previous_mode = m->show_nr_of_instructions; |
555 |
|
|
|
556 |
|
|
if (cmd_line[0] != '\0') { |
557 |
|
|
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
558 |
|
|
cmd_line ++; |
559 |
|
|
switch (cmd_line[0]) { |
560 |
|
|
case '0': |
561 |
|
|
toggle = 0; |
562 |
|
|
m->show_nr_of_instructions = 0; |
563 |
|
|
break; |
564 |
|
|
case '1': |
565 |
|
|
toggle = 0; |
566 |
|
|
m->show_nr_of_instructions = 1; |
567 |
|
|
break; |
568 |
|
|
case 'o': |
569 |
|
|
case 'O': |
570 |
|
|
toggle = 0; |
571 |
|
|
switch (cmd_line[1]) { |
572 |
|
|
case 'n': |
573 |
|
|
case 'N': |
574 |
|
|
m->show_nr_of_instructions = 1; |
575 |
|
|
break; |
576 |
|
|
default: |
577 |
|
|
m->show_nr_of_instructions = 0; |
578 |
|
|
} |
579 |
|
|
break; |
580 |
|
|
default: |
581 |
|
|
printf("syntax: trace [on|off]\n"); |
582 |
|
|
return; |
583 |
|
|
} |
584 |
|
|
} |
585 |
|
|
|
586 |
|
|
if (toggle) |
587 |
|
|
m->show_nr_of_instructions = !m->show_nr_of_instructions; |
588 |
|
|
|
589 |
|
|
printf("show_nr_of_instructions = %s", |
590 |
|
|
m->show_nr_of_instructions? "ON" : "OFF"); |
591 |
|
|
if (m->show_nr_of_instructions != previous_mode) |
592 |
|
|
printf(" (was: %s)", previous_mode? "ON" : "OFF"); |
593 |
|
|
printf("\n"); |
594 |
|
|
} |
595 |
|
|
|
596 |
|
|
|
597 |
|
|
/* |
598 |
|
|
* debugger_cmd_pause(): |
599 |
|
|
*/ |
600 |
|
|
static void debugger_cmd_pause(struct machine *m, char *cmd_line) |
601 |
|
|
{ |
602 |
|
|
int cpuid = -1; |
603 |
|
|
|
604 |
|
|
if (cmd_line[0] != '\0') |
605 |
|
|
cpuid = atoi(cmd_line); |
606 |
|
|
else { |
607 |
|
|
printf("syntax: pause cpuid\n"); |
608 |
|
|
return; |
609 |
|
|
} |
610 |
|
|
|
611 |
|
|
if (cpuid < 0 || cpuid >= m->ncpus) { |
612 |
|
|
printf("cpu%i doesn't exist.\n", cpuid); |
613 |
|
|
return; |
614 |
|
|
} |
615 |
|
|
|
616 |
|
|
m->cpus[cpuid]->running ^= 1; |
617 |
|
|
|
618 |
|
|
printf("cpu%i (%s) in machine \"%s\" is now %s\n", cpuid, |
619 |
|
|
m->cpus[cpuid]->name, m->name, |
620 |
|
|
m->cpus[cpuid]->running? "RUNNING" : "STOPPED"); |
621 |
|
|
} |
622 |
|
|
|
623 |
|
|
|
624 |
|
|
/* |
625 |
|
|
* debugger_cmd_print(): |
626 |
|
|
*/ |
627 |
|
|
static void debugger_cmd_print(struct machine *m, char *cmd_line) |
628 |
|
|
{ |
629 |
|
|
int res; |
630 |
|
|
uint64_t tmp; |
631 |
|
|
|
632 |
|
|
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
633 |
|
|
cmd_line ++; |
634 |
|
|
|
635 |
|
|
if (cmd_line[0] == '\0') { |
636 |
|
|
printf("syntax: print expr\n"); |
637 |
|
|
return; |
638 |
|
|
} |
639 |
|
|
|
640 |
|
|
res = debugger_parse_name(m, cmd_line, 0, &tmp); |
641 |
|
|
switch (res) { |
642 |
|
|
case NAME_PARSE_NOMATCH: |
643 |
|
|
printf("No match.\n"); |
644 |
|
|
break; |
645 |
|
|
case NAME_PARSE_MULTIPLE: |
646 |
|
|
printf("Multiple matches. Try prefixing with %%, $, or @.\n"); |
647 |
|
|
break; |
648 |
|
|
case NAME_PARSE_REGISTER: |
649 |
|
|
printf("%s = 0x%"PRIx64"\n", cmd_line, (uint64_t)tmp); |
650 |
|
|
break; |
651 |
|
|
case NAME_PARSE_SYMBOL: |
652 |
|
|
if (m->cpus[0]->is_32bit) |
653 |
|
|
printf("%s = 0x%08"PRIx32"\n", cmd_line, (uint32_t)tmp); |
654 |
|
|
else |
655 |
|
|
printf("%s = 0x%016"PRIx64"\n", cmd_line,(uint64_t)tmp); |
656 |
|
|
break; |
657 |
|
|
case NAME_PARSE_NUMBER: |
658 |
|
|
printf("0x%"PRIx64"\n", (uint64_t) tmp); |
659 |
|
|
break; |
660 |
|
|
} |
661 |
|
|
} |
662 |
|
|
|
663 |
|
|
|
664 |
|
|
/* |
665 |
|
|
* debugger_cmd_put(): |
666 |
|
|
*/ |
667 |
|
|
static void debugger_cmd_put(struct machine *m, char *cmd_line) |
668 |
|
|
{ |
669 |
|
|
static char put_type = ' '; /* Remembered across multiple calls. */ |
670 |
|
|
char copy[200]; |
671 |
|
|
int res, syntax_ok = 0; |
672 |
|
|
char *p, *p2, *q = NULL; |
673 |
|
|
uint64_t addr, data; |
674 |
|
|
unsigned char a_byte; |
675 |
|
|
|
676 |
|
|
strncpy(copy, cmd_line, sizeof(copy)); |
677 |
|
|
copy[sizeof(copy)-1] = '\0'; |
678 |
|
|
|
679 |
|
|
/* syntax: put [b|h|w|d|q] addr, data */ |
680 |
|
|
|
681 |
|
|
p = strchr(copy, ','); |
682 |
|
|
if (p != NULL) { |
683 |
|
|
*p++ = '\0'; |
684 |
|
|
while (*p == ' ' && *p) |
685 |
|
|
p++; |
686 |
|
|
while (strlen(copy) >= 1 && |
687 |
|
|
copy[strlen(copy) - 1] == ' ') |
688 |
|
|
copy[strlen(copy) - 1] = '\0'; |
689 |
|
|
|
690 |
|
|
/* printf("L = '%s', R = '%s'\n", copy, p); */ |
691 |
|
|
|
692 |
|
|
q = copy; |
693 |
|
|
p2 = strchr(q, ' '); |
694 |
|
|
|
695 |
|
|
if (p2 != NULL) { |
696 |
|
|
*p2 = '\0'; |
697 |
|
|
if (strlen(q) != 1) { |
698 |
|
|
printf("Invalid type '%s'\n", q); |
699 |
|
|
return; |
700 |
|
|
} |
701 |
|
|
put_type = *q; |
702 |
|
|
q = p2 + 1; |
703 |
|
|
} |
704 |
|
|
|
705 |
|
|
/* printf("type '%c', L '%s', R '%s'\n", put_type, q, p); */ |
706 |
|
|
syntax_ok = 1; |
707 |
|
|
} |
708 |
|
|
|
709 |
|
|
if (!syntax_ok) { |
710 |
|
|
printf("syntax: put [b|h|w|d|q] addr, data\n"); |
711 |
|
|
printf(" b byte (8 bits)\n"); |
712 |
|
|
printf(" h half-word (16 bits)\n"); |
713 |
|
|
printf(" w word (32 bits)\n"); |
714 |
|
|
printf(" d doubleword (64 bits)\n"); |
715 |
|
|
printf(" q quad-word (128 bits)\n"); |
716 |
|
|
return; |
717 |
|
|
} |
718 |
|
|
|
719 |
|
|
if (put_type == ' ') { |
720 |
|
|
printf("No type specified.\n"); |
721 |
|
|
return; |
722 |
|
|
} |
723 |
|
|
|
724 |
|
|
/* here: q is the address, p is the data. */ |
725 |
|
|
res = debugger_parse_name(m, q, 0, &addr); |
726 |
|
|
switch (res) { |
727 |
|
|
case NAME_PARSE_NOMATCH: |
728 |
|
|
printf("Couldn't parse the address.\n"); |
729 |
|
|
return; |
730 |
|
|
case NAME_PARSE_MULTIPLE: |
731 |
|
|
printf("Multiple matches for the address." |
732 |
|
|
" Try prefixing with %%, $, or @.\n"); |
733 |
|
|
return; |
734 |
|
|
case NAME_PARSE_REGISTER: |
735 |
|
|
case NAME_PARSE_SYMBOL: |
736 |
|
|
case NAME_PARSE_NUMBER: |
737 |
|
|
break; |
738 |
|
|
default: |
739 |
|
|
printf("INTERNAL ERROR in debugger.c.\n"); |
740 |
|
|
return; |
741 |
|
|
} |
742 |
|
|
|
743 |
|
|
res = debugger_parse_name(m, p, 0, &data); |
744 |
|
|
switch (res) { |
745 |
|
|
case NAME_PARSE_NOMATCH: |
746 |
|
|
printf("Couldn't parse the data.\n"); |
747 |
|
|
return; |
748 |
|
|
case NAME_PARSE_MULTIPLE: |
749 |
|
|
printf("Multiple matches for the data value." |
750 |
|
|
" Try prefixing with %%, $, or @.\n"); |
751 |
|
|
return; |
752 |
|
|
case NAME_PARSE_REGISTER: |
753 |
|
|
case NAME_PARSE_SYMBOL: |
754 |
|
|
case NAME_PARSE_NUMBER: |
755 |
|
|
break; |
756 |
|
|
default: |
757 |
|
|
printf("INTERNAL ERROR in debugger.c.\n"); |
758 |
|
|
return; |
759 |
|
|
} |
760 |
|
|
|
761 |
|
|
/* TODO: haha, maybe this should be refactored */ |
762 |
|
|
|
763 |
|
|
switch (put_type) { |
764 |
|
|
case 'b': |
765 |
|
|
a_byte = data; |
766 |
|
|
if (m->cpus[0]->is_32bit) |
767 |
|
|
printf("0x%08"PRIx32, (uint32_t) addr); |
768 |
|
|
else |
769 |
|
|
printf("0x%016"PRIx64, (uint64_t) addr); |
770 |
|
|
printf(": %02x", a_byte); |
771 |
|
|
if (data > 255) |
772 |
|
|
printf(" (NOTE: truncating %0"PRIx64")", |
773 |
|
|
(uint64_t) data); |
774 |
|
|
res = m->cpus[0]->memory_rw(m->cpus[0], m->cpus[0]->mem, addr, |
775 |
|
|
&a_byte, 1, MEM_WRITE, CACHE_NONE | NO_EXCEPTIONS); |
776 |
|
|
if (!res) |
777 |
|
|
printf(" FAILED!\n"); |
778 |
|
|
printf("\n"); |
779 |
|
|
return; |
780 |
|
|
case 'h': |
781 |
|
|
if ((addr & 1) != 0) |
782 |
|
|
printf("WARNING: address isn't aligned\n"); |
783 |
|
|
if (m->cpus[0]->is_32bit) |
784 |
|
|
printf("0x%08"PRIx32, (uint32_t) addr); |
785 |
|
|
else |
786 |
|
|
printf("0x%016"PRIx64, (uint64_t) addr); |
787 |
|
|
printf(": %04x", (int)data); |
788 |
|
|
if (data > 0xffff) |
789 |
|
|
printf(" (NOTE: truncating %0"PRIx64")", |
790 |
|
|
(uint64_t) data); |
791 |
|
|
res = store_16bit_word(m->cpus[0], addr, data); |
792 |
|
|
if (!res) |
793 |
|
|
printf(" FAILED!\n"); |
794 |
|
|
printf("\n"); |
795 |
|
|
return; |
796 |
|
|
case 'w': |
797 |
|
|
if ((addr & 3) != 0) |
798 |
|
|
printf("WARNING: address isn't aligned\n"); |
799 |
|
|
if (m->cpus[0]->is_32bit) |
800 |
|
|
printf("0x%08"PRIx32, (uint32_t) addr); |
801 |
|
|
else |
802 |
|
|
printf("0x%016"PRIx64, (uint64_t) addr); |
803 |
|
|
|
804 |
|
|
printf(": %08x", (int)data); |
805 |
|
|
|
806 |
|
|
if (data > 0xffffffff && (data >> 32) != 0 |
807 |
|
|
&& (data >> 32) != 0xffffffff) |
808 |
|
|
printf(" (NOTE: truncating %0"PRIx64")", |
809 |
|
|
(uint64_t) data); |
810 |
|
|
|
811 |
|
|
res = store_32bit_word(m->cpus[0], addr, data); |
812 |
|
|
if (!res) |
813 |
|
|
printf(" FAILED!\n"); |
814 |
|
|
printf("\n"); |
815 |
|
|
return; |
816 |
|
|
case 'd': |
817 |
|
|
if ((addr & 7) != 0) |
818 |
|
|
printf("WARNING: address isn't aligned\n"); |
819 |
|
|
if (m->cpus[0]->is_32bit) |
820 |
|
|
printf("0x%08"PRIx32, (uint32_t) addr); |
821 |
|
|
else |
822 |
|
|
printf("0x%016"PRIx64, (uint64_t) addr); |
823 |
|
|
|
824 |
|
|
printf(": %016"PRIx64, (uint64_t) data); |
825 |
|
|
|
826 |
|
|
res = store_64bit_word(m->cpus[0], addr, data); |
827 |
|
|
if (!res) |
828 |
|
|
printf(" FAILED!\n"); |
829 |
|
|
printf("\n"); |
830 |
|
|
return; |
831 |
|
|
case 'q': |
832 |
|
|
printf("quad-words: TODO\n"); |
833 |
|
|
/* TODO */ |
834 |
|
|
return; |
835 |
|
|
default: |
836 |
|
|
printf("Unimplemented type '%c'\n", put_type); |
837 |
|
|
return; |
838 |
|
|
} |
839 |
|
|
} |
840 |
|
|
|
841 |
|
|
|
842 |
|
|
/* |
843 |
|
|
* debugger_cmd_quiet(): |
844 |
|
|
*/ |
845 |
|
|
static void debugger_cmd_quiet(struct machine *m, char *cmd_line) |
846 |
|
|
{ |
847 |
|
|
int toggle = 1; |
848 |
|
|
int previous_mode = old_quiet_mode; |
849 |
|
|
|
850 |
|
|
if (cmd_line[0] != '\0') { |
851 |
|
|
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
852 |
|
|
cmd_line ++; |
853 |
|
|
switch (cmd_line[0]) { |
854 |
|
|
case '0': |
855 |
|
|
toggle = 0; |
856 |
|
|
old_quiet_mode = 0; |
857 |
|
|
break; |
858 |
|
|
case '1': |
859 |
|
|
toggle = 0; |
860 |
|
|
old_quiet_mode = 1; |
861 |
|
|
break; |
862 |
|
|
case 'o': |
863 |
|
|
case 'O': |
864 |
|
|
toggle = 0; |
865 |
|
|
switch (cmd_line[1]) { |
866 |
|
|
case 'n': |
867 |
|
|
case 'N': |
868 |
|
|
old_quiet_mode = 1; |
869 |
|
|
break; |
870 |
|
|
default: |
871 |
|
|
old_quiet_mode = 0; |
872 |
|
|
} |
873 |
|
|
break; |
874 |
|
|
default: |
875 |
|
|
printf("syntax: quiet [on|off]\n"); |
876 |
|
|
return; |
877 |
|
|
} |
878 |
|
|
} |
879 |
|
|
|
880 |
|
|
if (toggle) |
881 |
|
|
old_quiet_mode = 1 - old_quiet_mode; |
882 |
|
|
|
883 |
|
|
printf("quiet_mode = %s", old_quiet_mode? "ON" : "OFF"); |
884 |
|
|
if (old_quiet_mode != previous_mode) |
885 |
|
|
printf(" (was: %s)", previous_mode? "ON" : "OFF"); |
886 |
|
|
printf("\n"); |
887 |
|
|
} |
888 |
|
|
|
889 |
|
|
|
890 |
|
|
/* |
891 |
|
|
* debugger_cmd_quit(): |
892 |
|
|
*/ |
893 |
|
|
static void debugger_cmd_quit(struct machine *m, char *cmd_line) |
894 |
|
|
{ |
895 |
|
|
int i, j, k; |
896 |
|
|
struct emul *e; |
897 |
|
|
|
898 |
|
|
if (*cmd_line) { |
899 |
|
|
printf("syntax: quit\n"); |
900 |
|
|
return; |
901 |
|
|
} |
902 |
|
|
|
903 |
|
|
for (i=0; i<debugger_n_emuls; i++) { |
904 |
|
|
single_step = 0; |
905 |
|
|
|
906 |
|
|
e = debugger_emuls[i]; |
907 |
|
|
force_debugger_at_exit = 0; |
908 |
|
|
|
909 |
|
|
for (j=0; j<e->n_machines; j++) { |
910 |
|
|
struct machine *m = e->machines[j]; |
911 |
|
|
|
912 |
|
|
for (k=0; k<m->ncpus; k++) |
913 |
|
|
m->cpus[k]->running = 0; |
914 |
|
|
|
915 |
|
|
m->exit_without_entering_debugger = 1; |
916 |
|
|
} |
917 |
|
|
} |
918 |
|
|
|
919 |
|
|
exit_debugger = 1; |
920 |
|
|
} |
921 |
|
|
|
922 |
|
|
|
923 |
|
|
/* |
924 |
|
|
* debugger_cmd_reg(): |
925 |
|
|
*/ |
926 |
|
|
static void debugger_cmd_reg(struct machine *m, char *cmd_line) |
927 |
|
|
{ |
928 |
|
|
int i, cpuid = -1, coprocnr = -1; |
929 |
|
|
int gprs, coprocs; |
930 |
|
|
char *p; |
931 |
|
|
|
932 |
|
|
/* [cpuid][,c] */ |
933 |
|
|
if (cmd_line[0] != '\0') { |
934 |
|
|
if (cmd_line[0] != ',') { |
935 |
|
|
cpuid = strtoull(cmd_line, NULL, 0); |
936 |
|
|
if (cpuid < 0 || cpuid >= m->ncpus) { |
937 |
|
|
printf("cpu%i doesn't exist.\n", cpuid); |
938 |
|
|
return; |
939 |
|
|
} |
940 |
|
|
} |
941 |
|
|
p = strchr(cmd_line, ','); |
942 |
|
|
if (p != NULL) { |
943 |
|
|
coprocnr = atoi(p + 1); |
944 |
|
|
if (coprocnr < 0 || coprocnr >= 4) { |
945 |
|
|
printf("Invalid coprocessor number.\n"); |
946 |
|
|
return; |
947 |
|
|
} |
948 |
|
|
} |
949 |
|
|
} |
950 |
|
|
|
951 |
|
|
gprs = (coprocnr == -1)? 1 : 0; |
952 |
|
|
coprocs = (coprocnr == -1)? 0x0 : (1 << coprocnr); |
953 |
|
|
|
954 |
|
|
for (i=0; i<m->ncpus; i++) |
955 |
|
|
if (cpuid == -1 || i == cpuid) |
956 |
|
|
cpu_register_dump(m, m->cpus[i], gprs, coprocs); |
957 |
|
|
} |
958 |
|
|
|
959 |
|
|
|
960 |
|
|
/* |
961 |
|
|
* debugger_cmd_step(): |
962 |
|
|
*/ |
963 |
|
|
static void debugger_cmd_step(struct machine *m, char *cmd_line) |
964 |
|
|
{ |
965 |
|
|
int n = 1; |
966 |
|
|
|
967 |
|
|
if (cmd_line[0] != '\0') { |
968 |
|
|
n = strtoull(cmd_line, NULL, 0); |
969 |
|
|
if (n < 1) { |
970 |
|
|
printf("invalid nr of steps\n"); |
971 |
|
|
return; |
972 |
|
|
} |
973 |
|
|
} |
974 |
|
|
|
975 |
|
|
debugger_n_steps_left_before_interaction = n - 1; |
976 |
|
|
|
977 |
|
|
/* Special hack, see debugger() for more info. */ |
978 |
|
|
exit_debugger = -1; |
979 |
|
|
|
980 |
|
|
strlcpy(repeat_cmd, "step", MAX_CMD_BUFLEN); |
981 |
|
|
} |
982 |
|
|
|
983 |
|
|
|
984 |
|
|
/* |
985 |
|
|
* debugger_cmd_tlbdump(): |
986 |
|
|
* |
987 |
|
|
* Dump each CPU's TLB contents. |
988 |
|
|
*/ |
989 |
|
|
static void debugger_cmd_tlbdump(struct machine *m, char *cmd_line) |
990 |
|
|
{ |
991 |
|
|
int x = -1; |
992 |
|
|
int rawflag = 0; |
993 |
|
|
|
994 |
|
|
if (cmd_line[0] != '\0') { |
995 |
|
|
char *p; |
996 |
|
|
if (cmd_line[0] != ',') { |
997 |
|
|
x = strtoull(cmd_line, NULL, 0); |
998 |
|
|
if (x < 0 || x >= m->ncpus) { |
999 |
|
|
printf("cpu%i doesn't exist.\n", x); |
1000 |
|
|
return; |
1001 |
|
|
} |
1002 |
|
|
} |
1003 |
|
|
p = strchr(cmd_line, ','); |
1004 |
|
|
if (p != NULL) { |
1005 |
|
|
switch (p[1]) { |
1006 |
|
|
case 'r': |
1007 |
|
|
case 'R': |
1008 |
|
|
rawflag = 1; |
1009 |
|
|
break; |
1010 |
|
|
default: |
1011 |
|
|
printf("Unknown tlbdump flag.\n"); |
1012 |
|
|
printf("syntax: tlbdump [cpuid][,r]\n"); |
1013 |
|
|
return; |
1014 |
|
|
} |
1015 |
|
|
} |
1016 |
|
|
} |
1017 |
|
|
|
1018 |
|
|
cpu_tlbdump(m, x, rawflag); |
1019 |
|
|
} |
1020 |
|
|
|
1021 |
|
|
|
1022 |
|
|
/* |
1023 |
|
|
* debugger_cmd_trace(): |
1024 |
|
|
*/ |
1025 |
|
|
static void debugger_cmd_trace(struct machine *m, char *cmd_line) |
1026 |
|
|
{ |
1027 |
|
|
int toggle = 1; |
1028 |
|
|
int previous_mode = old_show_trace_tree; |
1029 |
|
|
|
1030 |
|
|
if (cmd_line[0] != '\0') { |
1031 |
|
|
while (cmd_line[0] != '\0' && cmd_line[0] == ' ') |
1032 |
|
|
cmd_line ++; |
1033 |
|
|
switch (cmd_line[0]) { |
1034 |
|
|
case '0': |
1035 |
|
|
toggle = 0; |
1036 |
|
|
old_show_trace_tree = 0; |
1037 |
|
|
break; |
1038 |
|
|
case '1': |
1039 |
|
|
toggle = 0; |
1040 |
|
|
old_show_trace_tree = 1; |
1041 |
|
|
break; |
1042 |
|
|
case 'o': |
1043 |
|
|
case 'O': |
1044 |
|
|
toggle = 0; |
1045 |
|
|
switch (cmd_line[1]) { |
1046 |
|
|
case 'n': |
1047 |
|
|
case 'N': |
1048 |
|
|
old_show_trace_tree = 1; |
1049 |
|
|
break; |
1050 |
|
|
default: |
1051 |
|
|
old_show_trace_tree = 0; |
1052 |
|
|
} |
1053 |
|
|
break; |
1054 |
|
|
default: |
1055 |
|
|
printf("syntax: trace [on|off]\n"); |
1056 |
|
|
return; |
1057 |
|
|
} |
1058 |
|
|
} |
1059 |
|
|
|
1060 |
|
|
if (toggle) |
1061 |
|
|
old_show_trace_tree = 1 - old_show_trace_tree; |
1062 |
|
|
|
1063 |
|
|
printf("show_trace_tree = %s", old_show_trace_tree? "ON" : "OFF"); |
1064 |
|
|
if (old_show_trace_tree != previous_mode) |
1065 |
|
|
printf(" (was: %s)", previous_mode? "ON" : "OFF"); |
1066 |
|
|
printf("\n"); |
1067 |
|
|
} |
1068 |
|
|
|
1069 |
|
|
|
1070 |
|
|
/* |
1071 |
|
|
* debugger_cmd_unassemble(): |
1072 |
|
|
* |
1073 |
|
|
* Dump emulated memory as instructions. |
1074 |
|
|
* |
1075 |
|
|
* syntax: unassemble [addr [endaddr]] |
1076 |
|
|
*/ |
1077 |
|
|
static void debugger_cmd_unassemble(struct machine *m, char *cmd_line) |
1078 |
|
|
{ |
1079 |
|
|
uint64_t addr, addr_start, addr_end; |
1080 |
|
|
struct cpu *c; |
1081 |
|
|
struct memory *mem; |
1082 |
|
|
char *p = NULL; |
1083 |
|
|
int r, lines_left = -1; |
1084 |
|
|
|
1085 |
|
|
if (cmd_line[0] != '\0') { |
1086 |
|
|
uint64_t tmp; |
1087 |
|
|
char *tmps = strdup(cmd_line); |
1088 |
|
|
|
1089 |
|
|
/* addr: */ |
1090 |
|
|
p = strchr(tmps, ' '); |
1091 |
|
|
if (p != NULL) |
1092 |
|
|
*p = '\0'; |
1093 |
|
|
r = debugger_parse_name(m, tmps, 0, &tmp); |
1094 |
|
|
free(tmps); |
1095 |
|
|
|
1096 |
|
|
if (r == NAME_PARSE_NOMATCH || r == NAME_PARSE_MULTIPLE) { |
1097 |
|
|
printf("Unparsable address: %s\n", cmd_line); |
1098 |
|
|
return; |
1099 |
|
|
} else { |
1100 |
|
|
last_unasm_addr = tmp; |
1101 |
|
|
} |
1102 |
|
|
|
1103 |
|
|
p = strchr(cmd_line, ' '); |
1104 |
|
|
} |
1105 |
|
|
|
1106 |
|
|
addr_start = last_unasm_addr; |
1107 |
|
|
|
1108 |
|
|
if (addr_start == MAGIC_UNTOUCHED) { |
1109 |
|
|
uint64_t tmp; |
1110 |
|
|
int match_register = 0; |
1111 |
|
|
cpu_register_match(m, "pc", 0, &tmp, &match_register); |
1112 |
|
|
if (match_register) { |
1113 |
|
|
addr_start = tmp; |
1114 |
|
|
} else { |
1115 |
|
|
printf("No starting address.\n"); |
1116 |
|
|
return; |
1117 |
|
|
} |
1118 |
|
|
} |
1119 |
|
|
|
1120 |
|
|
addr_end = addr_start + 1000; |
1121 |
|
|
|
1122 |
|
|
/* endaddr: */ |
1123 |
|
|
if (p != NULL) { |
1124 |
|
|
while (*p == ' ' && *p) |
1125 |
|
|
p++; |
1126 |
|
|
r = debugger_parse_name(m, p, 0, &addr_end); |
1127 |
|
|
if (r == NAME_PARSE_NOMATCH || r == NAME_PARSE_MULTIPLE) { |
1128 |
|
|
printf("Unparsable address: %s\n", cmd_line); |
1129 |
|
|
return; |
1130 |
|
|
} |
1131 |
|
|
} else |
1132 |
|
|
lines_left = 20; |
1133 |
|
|
|
1134 |
|
|
if (m->cpus == NULL) { |
1135 |
|
|
printf("No cpus (?)\n"); |
1136 |
|
|
return; |
1137 |
|
|
} |
1138 |
|
|
c = m->cpus[m->bootstrap_cpu]; |
1139 |
|
|
if (c == NULL) { |
1140 |
|
|
printf("m->cpus[m->bootstrap_cpu] = NULL\n"); |
1141 |
|
|
return; |
1142 |
|
|
} |
1143 |
|
|
mem = m->cpus[m->bootstrap_cpu]->mem; |
1144 |
|
|
|
1145 |
|
|
addr = addr_start; |
1146 |
|
|
|
1147 |
|
|
ctrl_c = 0; |
1148 |
|
|
|
1149 |
|
|
while (addr < addr_end) { |
1150 |
|
|
unsigned int i, len; |
1151 |
|
|
int failed = 0; |
1152 |
|
|
unsigned char buf[17]; /* TODO: How long can an |
1153 |
|
|
instruction be, on weird archs? */ |
1154 |
|
|
memset(buf, 0, sizeof(buf)); |
1155 |
|
|
|
1156 |
|
|
for (i=0; i<sizeof(buf); i++) { |
1157 |
|
|
if (c->memory_rw(c, mem, addr+i, buf+i, 1, MEM_READ, |
1158 |
|
|
CACHE_NONE | NO_EXCEPTIONS) == MEMORY_ACCESS_FAILED) |
1159 |
|
|
failed ++; |
1160 |
|
|
} |
1161 |
|
|
|
1162 |
|
|
if (failed == sizeof(buf)) { |
1163 |
|
|
printf("(memory access failed)\n"); |
1164 |
|
|
break; |
1165 |
|
|
} |
1166 |
|
|
|
1167 |
|
|
len = cpu_disassemble_instr(m, c, buf, 0, addr); |
1168 |
|
|
|
1169 |
|
|
if (ctrl_c) |
1170 |
|
|
return; |
1171 |
|
|
if (len == 0) |
1172 |
|
|
break; |
1173 |
|
|
|
1174 |
|
|
addr += len; |
1175 |
|
|
|
1176 |
|
|
if (lines_left != -1) { |
1177 |
|
|
lines_left --; |
1178 |
|
|
if (lines_left == 0) |
1179 |
|
|
break; |
1180 |
|
|
} |
1181 |
|
|
} |
1182 |
|
|
|
1183 |
|
|
last_unasm_addr = addr; |
1184 |
|
|
|
1185 |
|
|
strlcpy(repeat_cmd, "unassemble", MAX_CMD_BUFLEN); |
1186 |
|
|
} |
1187 |
|
|
|
1188 |
|
|
|
1189 |
|
|
/* |
1190 |
|
|
* debugger_cmd_version(): |
1191 |
|
|
*/ |
1192 |
|
|
static void debugger_cmd_version(struct machine *m, char *cmd_line) |
1193 |
|
|
{ |
1194 |
|
|
if (*cmd_line) { |
1195 |
|
|
printf("syntax: version\n"); |
1196 |
|
|
return; |
1197 |
|
|
} |
1198 |
|
|
|
1199 |
|
|
#ifdef VERSION |
1200 |
|
|
printf("%s, %s\n", VERSION, COMPILE_DATE); |
1201 |
|
|
#else |
1202 |
|
|
printf("(no version), %s\n", COMPILE_DATE); |
1203 |
|
|
#endif |
1204 |
|
|
} |
1205 |
|
|
|
1206 |
|
|
|
1207 |
|
|
/****************************************************************************/ |
1208 |
|
|
|
1209 |
|
|
|
1210 |
|
|
struct cmd { |
1211 |
|
|
char *name; |
1212 |
|
|
char *args; |
1213 |
|
|
int tmp_flag; |
1214 |
|
|
void (*f)(struct machine *, char *cmd_line); |
1215 |
|
|
char *description; |
1216 |
|
|
}; |
1217 |
|
|
|
1218 |
|
|
static struct cmd cmds[] = { |
1219 |
|
|
{ "allsettings", "", 0, debugger_cmd_allsettings, |
1220 |
|
|
"show all settings" }, |
1221 |
|
|
|
1222 |
|
|
{ "breakpoint", "...", 0, debugger_cmd_breakpoint, |
1223 |
|
|
"manipulate breakpoints" }, |
1224 |
|
|
|
1225 |
|
|
/* NOTE: Try to keep 'c' down to only one command. Having 'continue' |
1226 |
|
|
available as a one-letter command is very convenient. */ |
1227 |
|
|
|
1228 |
|
|
{ "continue", "", 0, debugger_cmd_continue, |
1229 |
|
|
"continue execution" }, |
1230 |
|
|
|
1231 |
|
|
{ "device", "...", 0, debugger_cmd_device, |
1232 |
|
|
"show info about (or manipulate) devices" }, |
1233 |
|
|
|
1234 |
|
|
{ "dump", "[addr [endaddr]]", 0, debugger_cmd_dump, |
1235 |
|
|
"dump memory contents in hex and ASCII" }, |
1236 |
|
|
|
1237 |
|
|
{ "emuls", "", 0, debugger_cmd_emuls, |
1238 |
|
|
"print a summary of all current emuls" }, |
1239 |
|
|
|
1240 |
|
|
{ "focus", "x[,y]", 0, debugger_cmd_focus, |
1241 |
|
|
"changes focus to machine x (in emul y)" }, |
1242 |
|
|
|
1243 |
|
|
{ "help", "", 0, debugger_cmd_help, |
1244 |
|
|
"print this help message" }, |
1245 |
|
|
|
1246 |
|
|
{ "itrace", "", 0, debugger_cmd_itrace, |
1247 |
|
|
"toggle instruction_trace on or off" }, |
1248 |
|
|
|
1249 |
|
|
{ "lookup", "name|addr", 0, debugger_cmd_lookup, |
1250 |
|
|
"lookup a symbol by name or address" }, |
1251 |
|
|
|
1252 |
|
|
{ "machine", "", 0, debugger_cmd_machine, |
1253 |
|
|
"print a summary of the current machine" }, |
1254 |
|
|
|
1255 |
|
|
{ "ninstrs", "[on|off]", 0, debugger_cmd_ninstrs, |
1256 |
|
|
"toggle (set or unset) show_nr_of_instructions" }, |
1257 |
|
|
|
1258 |
|
|
{ "pause", "cpuid", 0, debugger_cmd_pause, |
1259 |
|
|
"pause (or unpause) a CPU" }, |
1260 |
|
|
|
1261 |
|
|
{ "print", "expr", 0, debugger_cmd_print, |
1262 |
|
|
"evaluate an expression without side-effects" }, |
1263 |
|
|
|
1264 |
|
|
{ "put", "[b|h|w|d|q] addr, data", 0, debugger_cmd_put, |
1265 |
|
|
"modify emulated memory contents" }, |
1266 |
|
|
|
1267 |
|
|
{ "quiet", "[on|off]", 0, debugger_cmd_quiet, |
1268 |
|
|
"toggle quiet_mode on or off" }, |
1269 |
|
|
|
1270 |
|
|
{ "quit", "", 0, debugger_cmd_quit, |
1271 |
|
|
"quit the emulator" }, |
1272 |
|
|
|
1273 |
|
|
/* NOTE: Try to keep 'r' down to only one command. Having 'reg' |
1274 |
|
|
available as a one-letter command is very convenient. */ |
1275 |
|
|
|
1276 |
|
|
{ "reg", "[cpuid][,c]", 0, debugger_cmd_reg, |
1277 |
|
|
"show GPRs (or coprocessor c's registers)" }, |
1278 |
|
|
|
1279 |
|
|
/* NOTE: Try to keep 's' down to only one command. Having 'step' |
1280 |
|
|
available as a one-letter command is very convenient. */ |
1281 |
|
|
|
1282 |
|
|
{ "step", "[n]", 0, debugger_cmd_step, |
1283 |
|
|
"single-step one (or n) instruction(s)" }, |
1284 |
|
|
|
1285 |
|
|
{ "tlbdump", "[cpuid][,r]", 0, debugger_cmd_tlbdump, |
1286 |
|
|
"dump TLB contents (add ',r' for raw data)" }, |
1287 |
|
|
|
1288 |
|
|
{ "trace", "[on|off]", 0, debugger_cmd_trace, |
1289 |
|
|
"toggle show_trace_tree on or off" }, |
1290 |
|
|
|
1291 |
|
|
{ "unassemble", "[addr [endaddr]]", 0, debugger_cmd_unassemble, |
1292 |
|
|
"dump memory contents as instructions" }, |
1293 |
|
|
|
1294 |
|
|
{ "version", "", 0, debugger_cmd_version, |
1295 |
|
|
"print version information" }, |
1296 |
|
|
|
1297 |
|
|
/* Note: NULL handler. */ |
1298 |
|
|
{ "x = expr", "", 0, NULL, "generic assignment" }, |
1299 |
|
|
|
1300 |
|
|
{ NULL, NULL, 0, NULL, NULL } |
1301 |
|
|
}; |
1302 |
|
|
|
1303 |
|
|
|
1304 |
|
|
/* |
1305 |
|
|
* debugger_cmd_help(): |
1306 |
|
|
* |
1307 |
|
|
* Print a list of available commands. |
1308 |
|
|
* |
1309 |
|
|
* NOTE: This is placed after the cmds[] array, because it needs to |
1310 |
|
|
* access it. |
1311 |
|
|
* |
1312 |
|
|
* TODO: Command completion (ie just type "help s" for "help step"). |
1313 |
|
|
*/ |
1314 |
|
|
static void debugger_cmd_help(struct machine *m, char *cmd_line) |
1315 |
|
|
{ |
1316 |
|
|
int only_one = 0, only_one_match = 0; |
1317 |
|
|
char *nlines_env = getenv("LINES"); |
1318 |
|
|
int nlines = atoi(nlines_env != NULL? nlines_env : "999999"), curlines; |
1319 |
|
|
size_t i, j, max_name_len = 0; |
1320 |
|
|
|
1321 |
|
|
if (cmd_line[0] != '\0') { |
1322 |
|
|
only_one = 1; |
1323 |
|
|
} |
1324 |
|
|
|
1325 |
|
|
i = 0; |
1326 |
|
|
while (cmds[i].name != NULL) { |
1327 |
|
|
size_t a = strlen(cmds[i].name); |
1328 |
|
|
if (cmds[i].args != NULL) |
1329 |
|
|
a += 1 + strlen(cmds[i].args); |
1330 |
|
|
if (a > max_name_len) |
1331 |
|
|
max_name_len = a; |
1332 |
|
|
i++; |
1333 |
|
|
} |
1334 |
|
|
|
1335 |
|
|
curlines = 0; |
1336 |
|
|
if (!only_one) { |
1337 |
|
|
printf("Available commands:\n"); |
1338 |
|
|
curlines++; |
1339 |
|
|
} |
1340 |
|
|
|
1341 |
|
|
i = 0; |
1342 |
|
|
while (cmds[i].name != NULL) { |
1343 |
|
|
char buf[100]; |
1344 |
|
|
snprintf(buf, sizeof(buf), "%s", cmds[i].name); |
1345 |
|
|
|
1346 |
|
|
if (only_one) { |
1347 |
|
|
if (strcmp(cmds[i].name, cmd_line) != 0) { |
1348 |
|
|
i++; |
1349 |
|
|
continue; |
1350 |
|
|
} |
1351 |
|
|
only_one_match = 1; |
1352 |
|
|
} |
1353 |
|
|
|
1354 |
|
|
if (cmds[i].args != NULL) |
1355 |
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
1356 |
|
|
" %s", cmds[i].args); |
1357 |
|
|
|
1358 |
|
|
printf(" "); |
1359 |
|
|
for (j=0; j<max_name_len; j++) |
1360 |
|
|
if (j < strlen(buf)) |
1361 |
|
|
printf("%c", buf[j]); |
1362 |
|
|
else |
1363 |
|
|
printf(" "); |
1364 |
|
|
|
1365 |
|
|
printf(" %s\n", cmds[i].description); |
1366 |
|
|
i++; |
1367 |
|
|
|
1368 |
|
|
curlines ++; |
1369 |
|
|
if (curlines >= nlines - 1) { |
1370 |
|
|
char ch; |
1371 |
|
|
printf("-- more --"); fflush(stdout); |
1372 |
|
|
ch = debugger_readchar(); |
1373 |
|
|
printf("\n"); |
1374 |
|
|
if (ch == 'q' || ch == 'Q') |
1375 |
|
|
return; |
1376 |
|
|
curlines = 0; |
1377 |
|
|
} |
1378 |
|
|
} |
1379 |
|
|
|
1380 |
|
|
if (only_one) { |
1381 |
|
|
if (!only_one_match) |
1382 |
|
|
printf("%s: no such command\n", cmd_line); |
1383 |
|
|
return; |
1384 |
|
|
} |
1385 |
|
|
|
1386 |
|
|
/* TODO: generalize/refactor */ |
1387 |
|
|
curlines += 8; |
1388 |
|
|
if (curlines > nlines - 1) { |
1389 |
|
|
char ch; |
1390 |
|
|
printf("-- more --"); fflush(stdout); |
1391 |
|
|
ch = debugger_readchar(); |
1392 |
|
|
printf("\n"); |
1393 |
|
|
if (ch == 'q' || ch == 'Q') |
1394 |
|
|
return; |
1395 |
|
|
curlines = 0; |
1396 |
|
|
} |
1397 |
|
|
|
1398 |
|
|
printf("\nIn generic assignments, x must be a register, and expr can be" |
1399 |
|
|
" a register, a\nnumeric value, or a symbol name (+ an optional " |
1400 |
|
|
"numeric offset). In case there\nare multiple matches (i.e. a " |
1401 |
|
|
"symbol that has the same name as a register), you\nmay add a " |
1402 |
|
|
"prefix character as a hint: '%%' for registers, '@' for symbols," |
1403 |
|
|
" and\n'$' for numeric values. Use 0x for hexadecimal values.\n"); |
1404 |
|
|
} |
1405 |
|
|
|