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Diffstat (limited to 'gdbstub.c')
-rw-r--r--gdbstub.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/gdbstub.c b/gdbstub.c
index bc774ae992..d54abd17cc 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -1152,6 +1152,7 @@ static int gdb_handle_vcont(GDBState *s, const char *p)
uint32_t pid, tid;
GDBProcess *process;
CPUState *cpu;
+ GDBThreadIdKind kind;
#ifdef CONFIG_USER_ONLY
int max_cpus = 1; /* global variable max_cpus exists only in system mode */
@@ -1194,12 +1195,21 @@ static int gdb_handle_vcont(GDBState *s, const char *p)
goto out;
}
- if (*p++ != ':') {
+ if (*p == '\0' || *p == ';') {
+ /*
+ * No thread specifier, action is on "all threads". The
+ * specification is unclear regarding the process to act on. We
+ * choose all processes.
+ */
+ kind = GDB_ALL_PROCESSES;
+ } else if (*p++ == ':') {
+ kind = read_thread_id(p, &p, &pid, &tid);
+ } else {
res = -ENOTSUP;
goto out;
}
- switch (read_thread_id(p, &p, &pid, &tid)) {
+ switch (kind) {
case GDB_READ_THREAD_ERR:
res = -EINVAL;
goto out;