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authorGustavo Romero <gustavo.romero@linaro.org>2024-07-05 09:40:44 +0100
committerAlex Bennée <alex.bennee@linaro.org>2024-07-05 12:35:23 +0100
commit2be4d5db1e50f5aabdeea6d1e63ef75cccd0bbdb (patch)
tree1ed2c76f8b69da757ef1104db39ecfed61f0132a
parent3ce0fc57a0e7d528ce0435c93205f9f6558c38ff (diff)
gdbstub: Pass CPU context to command handler
Allow passing the current CPU context to command handlers via user_ctx when the handler requires it. Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org> Message-Id: <20240628050850.536447-9-gustavo.romero@linaro.org> Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20240705084047.857176-38-alex.bennee@linaro.org>
-rw-r--r--gdbstub/gdbstub.c7
-rw-r--r--include/gdbstub/commands.h3
2 files changed, 9 insertions, 1 deletions
diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c
index b1ca253f97..5c1612ed2a 100644
--- a/gdbstub/gdbstub.c
+++ b/gdbstub/gdbstub.c
@@ -938,6 +938,7 @@ static bool process_string_cmd(const char *data,
for (i = 0; i < num_cmds; i++) {
const GdbCmdParseEntry *cmd = &cmds[i];
+ void *user_ctx = NULL;
g_assert(cmd->handler && cmd->cmd);
if ((cmd->cmd_startswith && !startswith(data, cmd->cmd)) ||
@@ -952,8 +953,12 @@ static bool process_string_cmd(const char *data,
}
}
+ if (cmd->need_cpu_context) {
+ user_ctx = (void *)gdbserver_state.g_cpu;
+ }
+
gdbserver_state.allow_stop_reply = cmd->allow_stop_reply;
- cmd->handler(params, NULL);
+ cmd->handler(params, user_ctx);
return true;
}
diff --git a/include/gdbstub/commands.h b/include/gdbstub/commands.h
index e51f276b40..f3058f9dda 100644
--- a/include/gdbstub/commands.h
+++ b/include/gdbstub/commands.h
@@ -54,6 +54,8 @@ typedef union GdbCmdVariant {
* "stop reply" packet. The list of commands that accept such response is
* defined at the GDB Remote Serial Protocol documentation. See:
* https://sourceware.org/gdb/onlinedocs/gdb/Stop-Reply-Packets.html#Stop-Reply-Packets.
+ *
+ * @need_cpu_context: Pass current CPU context to command handler via user_ctx.
*/
typedef struct GdbCmdParseEntry {
GdbCmdHandler handler;
@@ -61,6 +63,7 @@ typedef struct GdbCmdParseEntry {
bool cmd_startswith;
const char *schema;
bool allow_stop_reply;
+ bool need_cpu_context;
} GdbCmdParseEntry;
/**