OpenE2K
/
binutils-gdb
12
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

sim: add syscall tracing level 

It's useful to be able to trace just the system calls the simulated
program is calling, so add a new --trace-syscall option for ports to
leverage if they choose.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2011-05-26 00:09:59 +00:00
parent 39f8b7c1fa
commit 3a49ea9fac
3 changed files with 30 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
sim/common/ChangeLog
View File

@ -1,3 +1,14 @@
2011-05-25 Mike Frysinger <vapier@gentoo.org>
* sim-trace.c (OPTION_TRACE_SYSCALL): New enum.
(trace_options): Handle "trace-syscall" with OPTION_TRACE_SYSCALL.
(trace_option_handler): Handle OPTION_TRACE_SYSCALL.
(trace_idx_to_str): Likewise.
* sim-trace.h (TRACE_SYSCALL_IDX): New enum.
(TRACE_syscall): Define.
(WITH_TRACE_SYSCALL_P): Likewise.
(TRACE_SYSCALL_P): Likewise.
2011-05-23 Mike Frysinger <vapier@gentoo.org>
* dv-glue.c (hw_glue_finish): Move "name" to function scope and

14
sim/common/sim-trace.c
View File

@ -77,7 +77,8 @@ enum {
OPTION_TRACE_FUNCTION,
OPTION_TRACE_DEBUG,
OPTION_TRACE_FILE,
OPTION_TRACE_VPU
OPTION_TRACE_VPU,
OPTION_TRACE_SYSCALL
};
static const OPTION trace_options[] =
@ -125,6 +126,9 @@ static const OPTION trace_options[] =
{ {"trace-events", optional_argument, NULL, OPTION_TRACE_EVENTS},
'\0', "on|off", "Trace events",
trace_option_handler, NULL },
{ {"trace-syscall", optional_argument, NULL, OPTION_TRACE_SYSCALL},
'\0', "on|off", "Trace system calls",
trace_option_handler, NULL },
#ifdef SIM_HAVE_ADDR_RANGE
{ {"trace-range", required_argument, NULL, OPTION_TRACE_RANGE},
'\0', "START,END", "Specify range of addresses for instruction tracing",
@ -331,6 +335,13 @@ trace_option_handler (SIM_DESC sd, sim_cpu *cpu, int opt,
sim_io_eprintf (sd, "Branch tracing not compiled in, `--trace-branch' ignored\n");
break;
case OPTION_TRACE_SYSCALL :
if (WITH_TRACE_SYSCALL_P)
return set_trace_option (sd, "-syscall", TRACE_SYSCALL_IDX, arg);
else
sim_io_eprintf (sd, "System call tracing not compiled in, `--trace-syscall' ignored\n");
break;
case OPTION_TRACE_SEMANTICS :
if (WITH_TRACE_ALU_P
&& WITH_TRACE_FPU_P
@ -621,6 +632,7 @@ trace_idx_to_str (int trace_idx)
case TRACE_EVENTS_IDX: return "events: ";
case TRACE_FPU_IDX: return "fpu: ";
case TRACE_BRANCH_IDX: return "branch: ";
case TRACE_SYSCALL_IDX: return "syscall: ";
case TRACE_VPU_IDX: return "vpu: ";
default:
sprintf (num, "?%d?", trace_idx);

6
sim/common/sim-trace.h
View File

@ -69,6 +69,9 @@ enum {
/* Trace branching. */
TRACE_BRANCH_IDX,
/* Trace syscalls. */
TRACE_SYSCALL_IDX,
/* Add information useful for debugging the simulator to trace output. */
TRACE_DEBUG_IDX,
@ -105,6 +108,7 @@ enum {
#define TRACE_fpu (1 << TRACE_FPU_IDX)
#define TRACE_vpu (1 << TRACE_VPU_IDX)
#define TRACE_branch (1 << TRACE_BRANCH_IDX)
#define TRACE_syscall (1 << TRACE_SYSCALL_IDX)
#define TRACE_debug (1 << TRACE_DEBUG_IDX)
/* Preprocessor macros to simplify tests of WITH_TRACE. */
@ -120,6 +124,7 @@ enum {
#define WITH_TRACE_FPU_P (WITH_TRACE & TRACE_fpu)
#define WITH_TRACE_VPU_P (WITH_TRACE & TRACE_vpu)
#define WITH_TRACE_BRANCH_P (WITH_TRACE & TRACE_branch)
#define WITH_TRACE_SYSCALL_P (WITH_TRACE & TRACE_syscall)
#define WITH_TRACE_DEBUG_P (WITH_TRACE & TRACE_debug)
/* Tracing install handler. */
@ -217,6 +222,7 @@ typedef struct _trace_data {
#define TRACE_FPU_P(cpu) TRACE_P (cpu, TRACE_FPU_IDX)
#define TRACE_VPU_P(cpu) TRACE_P (cpu, TRACE_VPU_IDX)
#define TRACE_BRANCH_P(cpu) TRACE_P (cpu, TRACE_BRANCH_IDX)
#define TRACE_SYSCALL_P(cpu) TRACE_P (cpu, TRACE_SYSCALL_IDX)
#define TRACE_DEBUG_P(cpu) TRACE_P (cpu, TRACE_DEBUG_IDX)
/* Tracing functions. */