On 3/7/24 08:26, Gustavo Romero wrote:
+void gdb_handle_query_xfer_siginfo(GArray *params, void *user_ctx)
+{
+ unsigned long offset, len;
+ uint8_t *siginfo_offset;
+
+ offset = get_param(params, 0)->val_ul;
+ len = get_param(params, 1)->val_ul;
+
+ if (offset + len > sizeof(target_siginfo_t)) {
If you save the siginfo_len from gdb_handlesig, you can place this in user.c.
Is it really correct to reject (offset == 0) + (len == large), rather than
truncate len?
+ /* Reply */
+ g_string_assign(gdbserver_state.str_buf, "l");
+ gdb_memtox(gdbserver_state.str_buf, (const char *)siginfo_offset, len);
It seems easy enough to reply with the exact length remaining...
r~
