diff options
| -rw-r--r-- | gdbstub.c | 14 | ||||
| -rw-r--r-- | include/exec/gdbstub.h | 27 |
2 files changed, 37 insertions, 4 deletions
@@ -1301,9 +1301,8 @@ send_packet: %x - target_ulong argument printed in hex. %lx - 64-bit argument printed in hex. %s - string pointer (target_ulong) and length (int) pair. */ -void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...) +void gdb_do_syscallv(gdb_syscall_complete_cb cb, const char *fmt, va_list va) { - va_list va; char *p; char *p_end; target_ulong addr; @@ -1317,7 +1316,6 @@ void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...) #ifndef CONFIG_USER_ONLY vm_stop(RUN_STATE_DEBUG); #endif - va_start(va, fmt); p = s->syscall_buf; p_end = &s->syscall_buf[sizeof(s->syscall_buf)]; *(p++) = 'F'; @@ -1351,7 +1349,6 @@ void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...) } } *p = 0; - va_end(va); #ifdef CONFIG_USER_ONLY put_packet(s, s->syscall_buf); gdb_handlesig(s->c_cpu, 0); @@ -1366,6 +1363,15 @@ void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...) #endif } +void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...) +{ + va_list va; + + va_start(va, fmt); + gdb_do_syscallv(cb, fmt, va); + va_end(va); +} + static void gdb_read_byte(GDBState *s, int ch) { int i, csum; diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h index 05f57c2432..d9e8cf7715 100644 --- a/include/exec/gdbstub.h +++ b/include/exec/gdbstub.h @@ -14,7 +14,34 @@ typedef void (*gdb_syscall_complete_cb)(CPUState *cpu, target_ulong ret, target_ulong err); +/** + * gdb_do_syscall: + * @cb: function to call when the system call has completed + * @fmt: gdb syscall format string + * ...: list of arguments to interpolate into @fmt + * + * Send a GDB syscall request. This function will return immediately; + * the callback function will be called later when the remote system + * call has completed. + * + * @fmt should be in the 'call-id,parameter,parameter...' format documented + * for the F request packet in the GDB remote protocol. A limited set of + * printf-style format specifiers is supported: + * %x - target_ulong argument printed in hex + * %lx - 64-bit argument printed in hex + * %s - string pointer (target_ulong) and length (int) pair + */ void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...); +/** + * gdb_do_syscallv: + * @cb: function to call when the system call has completed + * @fmt: gdb syscall format string + * @va: arguments to interpolate into @fmt + * + * As gdb_do_syscall, but taking a va_list rather than a variable + * argument list. + */ +void gdb_do_syscallv(gdb_syscall_complete_cb cb, const char *fmt, va_list va); int use_gdb_syscalls(void); void gdb_set_stop_cpu(CPUState *cpu); void gdb_exit(CPUArchState *, int); |