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GDB exit status for semihosting 

Report exit status to GDB when a semihosted application exits.

Signed-off-by: Paul Brook <paul@codesourcery.com>
This commit is contained in:
Paul Brook 2010-06-16 13:03:51 +01:00
parent 1884533c74
commit 0e1c9c54af
4 changed files with 23 additions and 15 deletions
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1
arm-semi.c
View File

@ -459,6 +459,7 @@ uint32_t do_arm_semihosting(CPUState *env)
return 0;
}
case SYS_EXIT:
gdb_exit(env, 0);
exit(0);
default:
fprintf(stderr, "qemu: Unsupported SemiHosting SWI 0x%02x\n", nr);

34
gdbstub.c
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@ -2373,6 +2373,26 @@ static void gdb_read_byte(GDBState *s, int ch)
}
}
/* Tell the remote gdb that the process has exited. */
void gdb_exit(CPUState *env, int code)
{
GDBState *s;
char buf[4];
s = gdbserver_state;
if (!s) {
return;
}
#ifdef CONFIG_USER_ONLY
if (gdbserver_fd < 0 || s->fd < 0) {
return;
}
#endif
snprintf(buf, sizeof(buf), "W%02x", (uint8_t)code);
put_packet(s, buf);
}
#ifdef CONFIG_USER_ONLY
int
gdb_queuesig (void)
@ -2436,20 +2456,6 @@ gdb_handlesig (CPUState *env, int sig)
return sig;
}
/* Tell the remote gdb that the process has exited. */
void gdb_exit(CPUState *env, int code)
{
GDBState *s;
char buf[4];
s = gdbserver_state;
if (gdbserver_fd < 0 || s->fd < 0)
return;
snprintf(buf, sizeof(buf), "W%02x", code);
put_packet(s, buf);
}
/* Tell the remote gdb that the process has exited due to SIG. */
void gdb_signalled(CPUState *env, int sig)
{

2
gdbstub.h
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@ -17,10 +17,10 @@ typedef void (*gdb_syscall_complete_cb)(CPUState *env,
void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...);
int use_gdb_syscalls(void);
void gdb_set_stop_cpu(CPUState *env);
void gdb_exit(CPUState *, int);
#ifdef CONFIG_USER_ONLY
int gdb_queuesig (void);
int gdb_handlesig (CPUState *, int);
void gdb_exit(CPUState *, int);
void gdb_signalled(CPUState *, int);
void gdbserver_fork(CPUState *);
#endif

1
m68k-semi.c
View File

@ -172,6 +172,7 @@ void do_m68k_semihosting(CPUM68KState *env, int nr)
args = env->dregs[1];
switch (nr) {
case HOSTED_EXIT:
gdb_exit(env, env->dregs[0]);
exit(env->dregs[0]);
case HOSTED_OPEN:
if (use_gdb_syscalls()) {