/branches/tracing/uspace/app/sctrace/debug_api.c |
---|
0,0 → 1,58 |
/** @addtogroup sctrace |
* @{ |
*/ |
/** @file |
*/ |
#include <stdio.h> |
#include <syscall.h> |
#include <ipc/ipc.h> |
#include <udebug.h> |
#include "debug_api.h" |
int debug_begin(unsigned phoneid) |
{ |
return ipc_call_sync_1_0(phoneid, IPC_M_DEBUG_ALL, UDEBUG_M_BEGIN); |
} |
int debug_thread_read(unsigned phoneid, void *buffer, unsigned n, |
unsigned *copied, unsigned *needed) |
{ |
printf("send IPC_M_DEBUG_THREAD_READ message\n"); |
return ipc_call_sync_3_2(phoneid, IPC_M_DEBUG_ALL, UDEBUG_M_THREAD_READ, |
(sysarg_t)buffer, n, copied, needed); |
} |
int debug_mem_read(unsigned phoneid, void *buffer, unsigned addr, unsigned n) |
{ |
return ipc_call_sync_4_0(phoneid, IPC_M_DEBUG_ALL, UDEBUG_M_MEM_READ, |
(sysarg_t)buffer, addr, n); |
} |
int debug_args_read(unsigned phoneid, unsigned tid, unsigned *buffer) |
{ |
unsigned copied; |
int rc; |
rc = ipc_call_sync_4_1(phoneid, IPC_M_DEBUG_ALL, UDEBUG_M_ARGS_READ, |
tid, (sysarg_t)buffer, 6 * sizeof(unsigned), &copied); |
if (copied != 6 * sizeof(unsigned)) { |
printf("Warning: read %d bytes from syscall args instead of 24!\n", |
copied); |
} |
return rc; |
} |
int debug_go(unsigned phoneid, unsigned tid, unsigned *ev_type, |
unsigned *sc_id, unsigned *sc_rc) |
{ |
/* Run thread until a syscall is executed */ |
return ipc_call_sync_2_3(phoneid, IPC_M_DEBUG_ALL, UDEBUG_M_GO, |
tid, (sysarg_t)ev_type, (sysarg_t)sc_id, (sysarg_t)sc_rc); |
} |
/** @} |
*/ |
/branches/tracing/uspace/app/sctrace/errors.h |
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0,0 → 1,20 |
/** @addtogroup sctrace |
* @{ |
*/ |
/** @file |
*/ |
#ifndef ERRORS_H_ |
#define ERRORS_H_ |
typedef struct { |
char *name; /**< Error value name (Exx) */ |
char *desc; /**< Error description */ |
} err_desc_t; |
extern const err_desc_t err_desc[]; |
#endif |
/** @} |
*/ |
/branches/tracing/uspace/app/sctrace/syscalls.h |
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0,0 → 1,28 |
/** @addtogroup sctrace |
* @{ |
*/ |
/** @file |
*/ |
#ifndef SYSCALLS_H_ |
#define SYSCALLS_H_ |
typedef enum { |
RV_INTEGER, |
RV_HASH, |
RV_ERRNO, |
RV_INT_ERRNO |
} rv_type_t; |
typedef struct { |
char *name; |
int n_args; |
rv_type_t rv_type; |
} sc_desc_t; |
extern const sc_desc_t syscall_desc[]; |
#endif |
/** @} |
*/ |
/branches/tracing/uspace/app/sctrace/debug_api.h |
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0,0 → 1,22 |
/** @addtogroup sctrace |
* @{ |
*/ |
/** @file |
*/ |
#ifndef DEBUG_API_H_ |
#define DEBUG_API_H_ |
int debug_begin(unsigned phoneid); |
int debug_thread_read(unsigned phoneid, void *buffer, unsigned n, |
unsigned *copied, unsigned *needed); |
int debug_mem_read(unsigned phoneid, void *buffer, unsigned addr, unsigned n); |
int debug_args_read(unsigned phoneid, unsigned tid, unsigned *buffer); |
int debug_go(unsigned phoneid, unsigned tid, unsigned *ev_type, |
unsigned *sc_id, unsigned *sc_rc); |
#endif |
/** @} |
*/ |
/branches/tracing/uspace/app/sctrace/sctrace.c |
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0,0 → 1,195 |
/** @addtogroup sctrace |
* @{ |
*/ |
/** @file |
*/ |
#include <stdio.h> |
#include <unistd.h> |
#include <syscall.h> |
#include <ipc/ipc.h> |
#include <udebug.h> |
#include "syscalls.h" |
#include "errors.h" |
#include "debug_api.h" |
#define TIDBUF_SIZE 64 |
unsigned threadid_buf[TIDBUF_SIZE]; |
int phoneid; |
int task_connect(int taskid) |
{ |
int rc; |
printf("ipc_connect_task(%d)...\n", taskid); |
rc = ipc_connect_kbox(taskid); |
printf("-> %d\n", rc); |
phoneid = rc; |
if (rc < 0) return rc; |
printf("debug_begin()\n"); |
rc = debug_begin(phoneid); |
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 = debug_thread_read(phoneid, (unsigned)threadid_buf, |
TIDBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed); |
printf("-> %d\n", rc); |
if (rc < 0) return rc; |
printf("thread IDs:"); |
for (i=0; i<tb_copied / sizeof(unsigned); i++) { |
printf(" %u", threadid_buf[i]); |
} |
printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned)); |
return 0; |
} |
void print_sc_retval(int retval, rv_type_t rv_type) |
{ |
printf (" -> "); |
if (rv_type == RV_INTEGER) { |
printf("%d", retval); |
} else if (rv_type == RV_HASH) { |
printf("0x%08x", retval); |
} else if (rv_type == RV_ERRNO) { |
if (retval >= -15 && retval <= 0) { |
printf("%d %s (%s)", retval, |
err_desc[retval].name, |
err_desc[retval].desc); |
} else { |
printf("%d", retval); |
} |
} else if (rv_type == RV_INT_ERRNO) { |
if (retval >= -15 && retval < 0) { |
printf("%d %s (%s)", retval, |
err_desc[retval].name, |
err_desc[retval].desc); |
} else { |
printf("%d", retval); |
} |
} |
putchar('\n'); |
} |
void print_sc_args(unsigned *sc_args, int n) |
{ |
int i; |
putchar('('); |
if (n > 0) printf("%d", sc_args[0]); |
for (i=1; i<n; i++) { |
printf(", %d", sc_args[i]); |
} |
putchar(')'); |
} |
void sc_ipc_call_async_slow(unsigned *sc_args) |
{ |
unsigned ipc_args[6]; |
int rc; |
memset(ipc_args, 0, sizeof(ipc_args)); |
rc = debug_mem_read(phoneid, ipc_args, sc_args[1], sizeof(ipc_args)); |
if (rc >= 0) { |
printf("args: (%u, %u, %u, %u, %u, %u)\n", |
ipc_args[0], ipc_args[1], ipc_args[2], |
ipc_args[3], ipc_args[4], ipc_args[5]); |
} |
} |
void trace_loop(void) |
{ |
int rc; |
unsigned sc_args[6]; |
unsigned copied; |
unsigned ev_type; |
unsigned sc_id; |
int sc_rc; |
int rv_type; |
while (1) { |
/* Run thread until a syscall is executed */ |
rc = debug_go(phoneid, threadid_buf[0], |
&ev_type, &sc_id, &sc_rc); |
/* Read syscall arguments */ |
if (rc >= 0) { |
rc = debug_args_read(phoneid, threadid_buf[0], |
sc_args); |
} |
/* Print syscall name, id and arguments */ |
if (rc >= 0) { |
printf("%s", syscall_desc[sc_id].name); |
print_sc_args(sc_args, syscall_desc[sc_id].n_args); |
rv_type = syscall_desc[sc_id].rv_type; |
print_sc_retval(sc_rc, rv_type); |
} |
switch (sc_id) { |
case SYS_IPC_CALL_ASYNC_SLOW: |
sc_ipc_call_async_slow(sc_args); |
break; |
default: |
break; |
} |
} |
} |
void trace_active_task(void) |
{ |
int taskid; |
int i; |
int rc; |
printf("Syscall Tracer\n"); |
printf("Press 'c' to connect\n"); |
while ((i = getchar()) != 'c') |
putchar(i); |
taskid = 13; |
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; |
} |
trace_loop(); |
printf("done\n"); |
return; |
} |
int main(void) |
{ |
trace_active_task(); |
} |
/** @} |
*/ |
/branches/tracing/uspace/app/sctrace/Makefile |
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0,0 → 1,76 |
# |
# 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 = sctrace |
SOURCES = sctrace.c \ |
syscalls.c \ |
errors.c \ |
debug_api.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/app/sctrace/errors.c |
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0,0 → 1,32 |
/** @addtogroup sctrace |
* @{ |
*/ |
/** @file |
*/ |
#include "errors.h" |
const err_desc_t err_desc[] = { |
/* 0 */ { "EOK", "No error" }, |
/* -1 */ { "ENOENT", "No such entry" }, |
/* -2 */ { "ENOMEM", "Not enough memory" }, |
/* -3 */ { "ELIMIT", "Limit exceeded" }, |
/* -4 */ { "EREFUSED", "Connection refused" }, |
/* -5 */ { "EFORWARD", "Forward error" }, |
/* -6 */ { "EPERM", "Permission denied" }, |
/* -7 */ { "EHANGUP", "Answerbox closed connection" }, |
/* -8 */ { "EEXISTS", "Entry already exists" }, |
/* -9 */ { "EBADMEM", "Bad memory pointer" }, |
/* -10 */ { "ENOTSUP", "Not supported" }, |
/* -11 */ { "EADDRNOTAVAIL", "Address not available." }, |
/* -12 */ { "ETIMEOUT", "Timeout expired" }, |
/* -13 */ { "EINVAL", "Invalid value" }, |
/* -14 */ { "EBUSY", "Resource is busy" }, |
/* -15 */ { "EOVERFLOW", "The result does not fit its size." } |
}; |
/** @} |
*/ |
/branches/tracing/uspace/app/sctrace/syscalls.c |
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0,0 → 1,50 |
/** @addtogroup sctrace |
* @{ |
*/ |
/** @file |
*/ |
#include "syscalls.h" |
const sc_desc_t syscall_desc[] = { |
{ "io", 3, RV_INT_ERRNO }, |
{ "tls_set", 1, RV_ERRNO }, |
{ "thread_create", 3, RV_ERRNO }, |
{ "thread_exit", 1, RV_ERRNO }, |
{ "thread_get_id", 1, RV_ERRNO }, |
{ "task_get_id", 1, RV_ERRNO }, |
{ "futex_sleep_timeout", 3, RV_ERRNO }, |
{ "futex_wakeup", 1, RV_ERRNO }, |
{ "as_area_create", 3, RV_ERRNO }, |
{ "as_area_resize", 3, RV_ERRNO }, |
{ "as_area_destroy", 1, RV_ERRNO }, |
{ "ipc_call_sync_fast", 6, RV_ERRNO }, |
{ "ipc_call_sync_slow", 3, RV_ERRNO }, |
{ "ipc_call_async_fast", 6, RV_HASH }, |
{ "ipc_call_async_slow", 2, RV_HASH }, |
{ "ipc_answer_fast", 6, RV_ERRNO }, |
{ "ipc_answer_slow", 2, RV_ERRNO }, |
{ "ipc_forward_fast", 6, RV_ERRNO }, |
{ "ipc_wait_for_call", 3, RV_HASH }, |
{ "ipc_hangup", 1, RV_ERRNO }, |
{ "ipc_register_irq", 4, RV_ERRNO }, |
{ "ipc_unregister_irq", 2, RV_ERRNO }, |
{ "cap_grant", 2, RV_ERRNO }, |
{ "cap_revoke", 2, RV_ERRNO }, |
{ "physmem_map", 4, RV_ERRNO }, |
{ "iospace_enable", 1, RV_ERRNO }, |
{ "preempt_control", 1, RV_ERRNO }, |
{ "sysinfo_valid", 2, RV_HASH }, |
{ "sysinfo_value", 2, RV_HASH }, |
{ "debug_enable_console", 0, RV_ERRNO }, |
{ "ipc_connect_kbox", 1, RV_ERRNO } |
}; |
/** @} |
*/ |