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| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2024-03-05 12:09:46 +0000 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2024-03-06 12:35:19 +0000 |
| commit | e454f2fe24793afd1fa596deb42b714478adf73b (patch) | |
| tree | a42367a0bd509597f401f04fdc2b919e251020f5 | |
| parent | 6d923112fd18f73bd55cbae23ae5a8023457b85c (diff) | |
| download | focaccia-qemu-e454f2fe24793afd1fa596deb42b714478adf73b.tar.gz focaccia-qemu-e454f2fe24793afd1fa596deb42b714478adf73b.zip | |
gdbstub: Introduce gdb_handle_set_thread_user()
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>
| -rw-r--r-- | gdbstub/gdbstub.c | 11 | ||||
| -rw-r--r-- | gdbstub/internals.h | 1 | ||||
| -rw-r--r-- | gdbstub/user.c | 5 |
3 files changed, 15 insertions, 2 deletions
diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c index 7be4418dcb..3eb93162aa 100644 --- a/gdbstub/gdbstub.c +++ b/gdbstub/gdbstub.c @@ -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; diff --git a/gdbstub/internals.h b/gdbstub/internals.h index e6063835b1..b4905c7181 100644 --- a/gdbstub/internals.h +++ b/gdbstub/internals.h @@ -197,6 +197,7 @@ void gdb_handle_v_file_readlink(GArray *params, void *user_ctx); /* user */ void gdb_handle_query_xfer_exec_file(GArray *params, void *user_ctx); /* user */ void gdb_handle_set_catch_syscalls(GArray *params, void *user_ctx); /* user */ void gdb_handle_query_supported_user(const char *gdb_supported); /* user */ +bool gdb_handle_set_thread_user(uint32_t pid, uint32_t tid); /* user */ void gdb_handle_query_attached(GArray *params, void *user_ctx); /* both */ diff --git a/gdbstub/user.c b/gdbstub/user.c index c9e8b83d72..b048754c4f 100644 --- a/gdbstub/user.c +++ b/gdbstub/user.c @@ -386,6 +386,11 @@ void gdb_handle_query_supported_user(const char *gdb_supported) { } +bool gdb_handle_set_thread_user(uint32_t pid, uint32_t tid) +{ + return false; +} + /* * Execution state helpers */ |