plugins: Ensure register handles are not NULL
Ensure register handles are not NULL so that a plugin can assume NULL is
invalid as a register handle.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240229-null-v1-1-e716501d981e@daynix.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240620152220.2192768-4-alex.bennee@linaro.org>
diff --git a/plugins/api.c b/plugins/api.c
index 5a0a7f8..6bdb26b 100644
--- a/plugins/api.c
+++ b/plugins/api.c
@@ -507,7 +507,7 @@
}
/* Create a record for the plugin */
- desc.handle = GINT_TO_POINTER(grd->gdb_reg);
+ desc.handle = GINT_TO_POINTER(grd->gdb_reg + 1);
desc.name = g_intern_string(grd->name);
desc.feature = g_intern_string(grd->feature_name);
g_array_append_val(find_data, desc);
@@ -528,7 +528,7 @@
{
g_assert(current_cpu);
- return gdb_read_register(current_cpu, buf, GPOINTER_TO_INT(reg));
+ return gdb_read_register(current_cpu, buf, GPOINTER_TO_INT(reg) - 1);
}
struct qemu_plugin_scoreboard *qemu_plugin_scoreboard_new(size_t element_size)
