With this patch QEMU handles qAttached request from gdb. When QEMU replies 1, GDB sends a "detach" command at the end of a debugging session otherwise GDB sends "kill".
The default value for qAttached is 1 on system emulation and 0 on user emulation. Based on original version by Fabien Chouteau. Signed-off-by: Jan Kiszka <jan.kis...@siemens.com> --- gdbstub.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index 0ee82a9..bc626f5 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -42,6 +42,12 @@ #include "sysemu/kvm.h" #include "qemu/bitops.h" +#ifdef CONFIG_USER_ONLY +#define GDB_ATTACHED "0" +#else +#define GDB_ATTACHED "1" +#endif + #ifndef TARGET_CPU_MEMORY_RW_DEBUG static inline int target_memory_rw_debug(CPUArchState *env, target_ulong addr, uint8_t *buf, int len, int is_write) @@ -2504,6 +2510,10 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf) break; } #endif + if (strncmp(p, "Attached", 8) == 0) { + put_packet(s, GDB_ATTACHED); + break; + } /* Unrecognised 'q' command. */ goto unknown_command; -- 1.7.3.4