From: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>
The upcoming syscall catchpoint support needs to send stop packets with
an associated reason to GDB. Add an extra parameter to gdb_handlesig()
for that, and rename it to gdb_handlesig_reason(). Provide a
compatibility wrapper with an old name.
Signed-off-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>
Message-Id: <20240202152506.279476-3-iii@xxxxxxxxxxxxx>
Signed-off-by: Alex Bennée <alex.bennee@xxxxxxxxxx>
---
include/gdbstub/user.h | 16 ++++++++++++++--
gdbstub/user.c | 5 ++++-
2 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/include/gdbstub/user.h b/include/gdbstub/user.h
index d392e510c59..1fc43e04af5 100644
--- a/include/gdbstub/user.h
+++ b/include/gdbstub/user.h
@@ -10,9 +10,10 @@
#define GDBSTUB_USER_H
/**
- * gdb_handlesig() - yield control to gdb
+ * gdb_handlesig_reason() - yield control to gdb
* @cpu: CPU
* @sig: if non-zero, the signal number which caused us to stop
+ * @reason: stop reason for stop reply packet or NULL
*
* This function yields control to gdb, when a user-mode-only target
* needs to stop execution. If @sig is non-zero, then we will send a
@@ -24,7 +25,18 @@
* or 0 if no signal should be delivered, ie the signal that caused
* us to stop should be ignored.
*/
-int gdb_handlesig(CPUState *, int);
+int gdb_handlesig_reason(CPUState *, int, const char *);
+
+/**
+ * gdb_handlesig() - yield control to gdb
+ * @cpu CPU
+ * @sig: if non-zero, the signal number which caused us to stop
+ * @see gdb_handlesig_reason()
+ */
+static inline int gdb_handlesig(CPUState *cpu, int sig)
+{
+ return gdb_handlesig_reason(cpu, sig, NULL);
+}
/**
* gdb_signalled() - inform remote gdb of sig exit
diff --git a/gdbstub/user.c b/gdbstub/user.c
index dbe1d9b8875..63edca131ab 100644
--- a/gdbstub/user.c
+++ b/gdbstub/user.c
@@ -121,7 +121,7 @@ void gdb_qemu_exit(int code)
exit(code);
}
-int gdb_handlesig(CPUState *cpu, int sig)
+int gdb_handlesig_reason(CPUState *cpu, int sig, const char *reason)
{
char buf[256];
int n;
@@ -141,6 +141,9 @@ int gdb_handlesig(CPUState *cpu, int sig)
"T%02xthread:", gdb_target_signal_to_gdb(sig));
gdb_append_thread_id(cpu, gdbserver_state.str_buf);
g_string_append_c(gdbserver_state.str_buf, ';');
+ if (reason) {
+ g_string_append(gdbserver_state.str_buf, reason);
+ }
gdb_put_strbuf();
gdbserver_state.allow_stop_reply = false;
}
--
2.39.2
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