| /branches/tracing/uspace/app/debug/cmd.c |
|---|
| 0,0 → 1,84 |
| /* |
| * Copyright (c) 2008 Jiri Svoboda |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| /** @addtogroup debug |
| * @{ |
| */ |
| /** @file |
| */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <bool.h> |
| #include "cmd.h" |
| static void cmd_break(int argc, char *argv[]); |
| void cmd_help(int argc, char *argv[]); |
| static void cmd_quit(int argc, char *argv[]); |
| volatile bool quit = false; |
| cmd_desc_t cmd_table[] = { |
| { 1, "break", cmd_break }, |
| { 0, "help", cmd_help }, |
| { 0, "quit", cmd_quit }, |
| { -1, NULL, NULL } |
| }; |
| static void cmd_break(int argc, char *argv[]) |
| { |
| uintptr_t addr; |
| (void)argc; |
| addr = strtoul(argv[1], NULL, 0); |
| printf("You requested a breakpoint at 0x%x\n", addr); |
| } |
| void cmd_help(int argc, char *argv[]) |
| { |
| int i; |
| (void)argc; (void)argv; |
| i = 0; |
| while (cmd_table[i].name != NULL) { |
| printf("%s\n", cmd_table[i].name); |
| ++i; |
| } |
| } |
| static void cmd_quit(int argc, char *argv[]) |
| { |
| (void)argc; (void)argv; |
| quit = true; |
| } |
| /** @} |
| */ |
| /branches/tracing/uspace/app/debug/main.c |
|---|
| 0,0 → 1,351 |
| /* |
| * Copyright (c) 2008 Jiri Svoboda |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| /** @addtogroup debug |
| * @{ |
| */ |
| /** @file |
| */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <syscall.h> |
| #include <ipc/ipc.h> |
| #include <fibril.h> |
| #include <errno.h> |
| #include <udebug.h> |
| #include <async.h> |
| #include <string.h> |
| #include "cmd.h" |
| void thread_debug_start(unsigned thread_hash); |
| #define INBUF_SIZE 64 |
| char in_buf[INBUF_SIZE]; |
| #define MAX_ARGC 10 |
| int cmd_argc; |
| char *cmd_argv[MAX_ARGC + 1]; /* need one spare field for cmd_split() */ |
| #define THBUF_SIZE 64 |
| thash_t thread_hash_buf[THBUF_SIZE]; |
| unsigned n_threads; |
| int next_thread_id; |
| int app_phone; |
| volatile bool abort_debug; |
| thash_t thash; |
| volatile int paused; |
| void read_line(char *buffer, int n) |
| { |
| char c; |
| int i; |
| i = 0; |
| while (i < n - 1) { |
| c = getchar(); |
| if (c == '\n') break; |
| if (c == '\b') { |
| if (i > 0) { |
| putchar('\b'); |
| --i; |
| } |
| continue; |
| } |
| putchar(c); |
| buffer[i++] = c; |
| } |
| putchar('\n'); |
| buffer[i] = '\0'; |
| } |
| void command_split(char *cmd_str) |
| { |
| char *p = cmd_str; |
| if (*p == '\0') { |
| cmd_argc = 0; |
| return; |
| } |
| cmd_argc = 1; |
| cmd_argv[0] = p; |
| while (*p != '\0') { |
| if (*p == ' ') { |
| cmd_argv[cmd_argc++] = p + 1; |
| *p = '\0'; |
| } |
| ++p; |
| } |
| } |
| void command_run(void) |
| { |
| int i; |
| int cmp_len; |
| int len; |
| int idx_found; |
| int num_found; |
| len = strlen(cmd_argv[0]); |
| cmp_len = 1; |
| while (cmp_len <= len + 1) { |
| num_found = 0; |
| i = 0; |
| while (cmd_table[i].name != NULL) { |
| if (strncmp(cmd_table[i].name, cmd_argv[0], cmp_len) == 0) { |
| idx_found = i; |
| ++num_found; |
| } |
| ++i; |
| } |
| if (num_found < 2) break; |
| --cmp_len; |
| } |
| if (num_found == 0) { |
| printf("Unknown command. Try one of:\n"); |
| cmd_help(0, NULL); |
| return; |
| } |
| if (cmd_argc - 1 != cmd_table[idx_found].argc) { |
| printf("Command '%s' expects %d arguments\n", |
| cmd_table[idx_found].name, cmd_table[idx_found].argc); |
| return; |
| } |
| (*cmd_table[idx_found].proc)(cmd_argc, cmd_argv); |
| } |
| int task_connect(int taskid) |
| { |
| int rc; |
| printf("ipc_connect_kbox(%d)... ", taskid); |
| rc = ipc_connect_kbox(taskid); |
| printf("-> %d\n", rc); |
| app_phone = rc; |
| if (rc < 0) return rc; |
| printf("udebug_begin()... "); |
| rc = udebug_begin(app_phone); |
| printf("-> %d\n", rc); |
| if (rc < 0) return rc; |
| printf("udebug_set_evmask(0x%x)... ", UDEBUG_EM_ALL); |
| rc = udebug_set_evmask(app_phone, UDEBUG_EM_ALL); |
| printf("-> %d\n", rc); |
| if (rc < 0) return rc; |
| return 0; |
| } |
| int get_thread_list(void) |
| { |
| int rc; |
| int tb_copied; |
| int tb_needed; |
| int i; |
| printf("send IPC_M_DEBUG_THREAD_READ message\n"); |
| rc = udebug_thread_read(app_phone, (unsigned)thread_hash_buf, |
| THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed); |
| printf("-> %d\n", rc); |
| if (rc < 0) return rc; |
| n_threads = tb_copied / sizeof(unsigned); |
| printf("thread IDs:"); |
| for (i=0; i<n_threads; i++) { |
| printf(" %u", thread_hash_buf[i]); |
| } |
| printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned)); |
| return 0; |
| } |
| void event_thread_b(unsigned hash) |
| { |
| async_serialize_start(); |
| printf("new thread, hash 0x%x\n", hash); |
| async_serialize_end(); |
| thread_debug_start(hash); |
| } |
| void debug_loop(void *thread_hash_arg) |
| { |
| int rc; |
| unsigned ev_type; |
| unsigned thread_hash; |
| unsigned thread_id; |
| unsigned val0, val1; |
| thread_hash = (unsigned)thread_hash_arg; |
| thread_id = next_thread_id++; |
| printf("debug_loop(%d)\n", thread_id); |
| while (!abort_debug) { |
| /* Run thread until an event occurs */ |
| rc = udebug_go(app_phone, thread_hash, |
| &ev_type, &val0, &val1); |
| // printf("rc = %d, ev_type=%d\n", rc, ev_type); |
| if (ev_type == UDEBUG_EVENT_FINISHED) { |
| printf("thread %u debugging finished\n", thread_id); |
| break; |
| } |
| if (rc >= 0) { |
| switch (ev_type) { |
| case UDEBUG_EVENT_STOP: |
| printf("stop event\n"); |
| printf("waiting for resume\n"); |
| while (paused) { |
| usleep(1000000); |
| fibril_yield(); |
| printf("."); |
| } |
| printf("resumed\n"); |
| break; |
| case UDEBUG_EVENT_THREAD_B: |
| event_thread_b(val0); |
| break; |
| case UDEBUG_EVENT_THREAD_E: |
| printf("thread 0x%x exited\n", val0); |
| abort_debug = true; |
| break; |
| default: |
| printf("unknown event type %d\n", ev_type); |
| break; |
| } |
| } |
| } |
| printf("debug_loop(%d) exiting\n", thread_id); |
| } |
| void thread_debug_start(unsigned thread_hash) |
| { |
| fid_t fid; |
| thash = thread_hash; |
| fid = fibril_create(debug_loop, (void *)thread_hash); |
| if (fid == 0) { |
| printf("Warning: Failed creating fibril\n"); |
| } |
| fibril_add_ready(fid); |
| } |
| void debug_active_task(void) |
| { |
| int taskid; |
| int i; |
| int rc; |
| int c; |
| printf("Breakpoint Debugger\n"); |
| printf("Press 'c' to connect\n"); |
| while ((i = getchar()) != 'c') |
| putchar(i); |
| taskid = 14; |
| rc = task_connect(taskid); |
| if (rc < 0) { |
| printf("Failed to connect to task %d\n", taskid); |
| return; |
| } |
| printf("Connected to task %d\n", taskid); |
| rc = get_thread_list(); |
| if (rc < 0) { |
| printf("Failed to get thread list (error %d)\n", rc); |
| return; |
| } |
| abort_debug = false; |
| for (i = 0; i < n_threads; i++) { |
| thread_debug_start(thread_hash_buf[i]); |
| } |
| while (!quit) { |
| printf("> "); |
| read_line(in_buf, INBUF_SIZE); |
| command_split(in_buf); |
| if (cmd_argc == 0) continue; |
| command_run(); |
| } |
| printf("terminate debugging session...\n"); |
| abort_debug = true; |
| udebug_end(app_phone); |
| ipc_hangup(app_phone); |
| printf("done\n"); |
| return; |
| } |
| static void main_init(void) |
| { |
| next_thread_id = 1; |
| paused = 0; |
| } |
| int main(void) |
| { |
| main_init(); |
| while (1) { |
| debug_active_task(); |
| } |
| } |
| /** @} |
| */ |
| /branches/tracing/uspace/app/debug/cmd.h |
|---|
| 0,0 → 1,56 |
| /* |
| * Copyright (c) 2008 Jiri Svoboda |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| /** @addtogroup debug |
| * @{ |
| */ |
| /** @file |
| */ |
| #ifndef CMD_H_ |
| #define CMD_H_ |
| #include <bool.h> |
| typedef void (*cmd_proc_t)(int argc, char *argv[]); |
| typedef struct { |
| int argc; |
| char *name; |
| cmd_proc_t proc; |
| } cmd_desc_t; |
| extern cmd_desc_t cmd_table[]; |
| extern volatile bool quit; |
| void cmd_help(int argc, char *argv[]); |
| #endif |
| /** @} |
| */ |
| /branches/tracing/uspace/app/debug/Makefile |
|---|
| 0,0 → 1,74 |
| # |
| # Copyright (c) 2005 Martin Decky |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # |
| # - Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # - Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # - The name of the author may not be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| ## Setup toolchain |
| # |
| LIBC_PREFIX = ../../lib/libc |
| SOFTINT_PREFIX = ../../lib/softint |
| include $(LIBC_PREFIX)/Makefile.toolchain |
| CFLAGS += -I../../srv/kbd/include |
| LIBS = $(LIBC_PREFIX)/libc.a |
| ## Sources |
| # |
| OUTPUT = debug |
| SOURCES = cmd.c \ |
| main.c |
| OBJECTS := $(addsuffix .o,$(basename $(SOURCES))) |
| .PHONY: all clean depend disasm |
| all: $(OUTPUT) disasm |
| -include Makefile.depend |
| clean: |
| -rm -f $(OUTPUT) $(OUTPUT).map $(OUTPUT).disasm Makefile.depend |
| depend: |
| $(CC) $(DEFS) $(CFLAGS) -M $(SOURCES) > Makefile.depend |
| $(OUTPUT): $(OBJECTS) $(LIBS) |
| $(LD) -T $(LIBC_PREFIX)/arch/$(ARCH)/_link.ld $(OBJECTS) $(LIBS) $(LFLAGS) -o $@ -Map $(OUTPUT).map |
| disasm: |
| $(OBJDUMP) -d $(OUTPUT) >$(OUTPUT).disasm |
| %.o: %.S |
| $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
| %.o: %.s |
| $(AS) $(AFLAGS) $< -o $@ |
| %.o: %.c |
| $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |
| /branches/tracing/uspace/Makefile |
|---|
| 45,6 → 45,7 |
| srv/fs/tmpfs \ |
| srv/vfs \ |
| srv/devmap \ |
| app/debug \ |
| app/sctrace \ |
| app/tetris \ |
| app/tester \ |
| /branches/tracing/boot/arch/ia32/grub/menu.lst |
|---|
| 18,3 → 18,4 |
| module /boot/tetris |
| module /boot/tester |
| module /boot/klog |
| module /boot/debug |
| /branches/tracing/boot/arch/ia32/Makefile.inc |
|---|
| 40,7 → 40,8 |
| $(USPACEDIR)/app/sctrace/sctrace \ |
| $(USPACEDIR)/app/tetris/tetris \ |
| $(USPACEDIR)/app/tester/tester \ |
| $(USPACEDIR)/app/klog/klog |
| $(USPACEDIR)/app/klog/klog \ |
| $(USPACEDIR)/app/debug/debug |
| build: $(BASE)/image.iso |