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gdbstub: Introduce gdb_handle_set_thread_user()

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The upcoming follow-fork-mode child support needs to perform certain
actions when GDB switches between the stopped parent and the stopped
child. Introduce a user-specific hook for this.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20240219141628.246823-10-iii@linux.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240305121005.3528075-11-alex.bennee@linaro.org>
This commit is contained in:
Ilya Leoshkevich 2024-03-05 12:09:46 +00:00 • committed by Alex Bennée
parent 6d923112fd
commit e454f2fe24
3 changed files with 15 additions and 2 deletions
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11
gdbstub/gdbstub.c
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@ -1099,6 +1099,7 @@ static void handle_cont_with_sig(GArray *params, void *user_ctx)
static void handle_set_thread(GArray *params, void *user_ctx)
{
uint32_t pid, tid;
CPUState *cpu;
if (params->len != 2) {
@ -1116,8 +1117,14 @@ static void handle_set_thread(GArray *params, void *user_ctx)
return;
}
cpu = gdb_get_cpu(get_param(params, 1)->thread_id.pid,
get_param(params, 1)->thread_id.tid);
pid = get_param(params, 1)->thread_id.pid;
tid = get_param(params, 1)->thread_id.tid;
#ifdef CONFIG_USER_ONLY
if (gdb_handle_set_thread_user(pid, tid)) {
return;
}
#endif
cpu = gdb_get_cpu(pid, tid);
if (!cpu) {
gdb_put_packet("E22");
return;