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modules: use modinfo for dependencies 

Use module database for module dependencies.
Drop hard-coded dependency list.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Jose R. Ziviani <jziviani@suse.de>
Message-Id: <20210624103836.2382472-15-kraxel@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Gerd Hoffmann 2021-06-24 12:38:16 +02:00 committed by Paolo Bonzini
parent f8ade0dc01
commit e897b9a735
1 changed files with 21 additions and 34 deletions
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55
util/module.c
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@ -182,28 +182,6 @@ static int module_load_file(const char *fname, bool mayfail, bool export_symbols
out:
return ret;
}
static const struct {
const char *name;
const char *dep;
} module_deps[] = {
{ "audio-spice", "ui-spice-core" },
{ "chardev-spice", "ui-spice-core" },
{ "hw-display-qxl", "ui-spice-core" },
{ "ui-spice-app", "ui-spice-core" },
{ "ui-spice-app", "chardev-spice" },
{ "hw-display-virtio-gpu-gl", "hw-display-virtio-gpu" },
{ "hw-display-virtio-gpu-pci-gl", "hw-display-virtio-gpu-pci" },
{ "hw-display-virtio-vga-gl", "hw-display-virtio-vga" },
#ifdef CONFIG_OPENGL
{ "ui-egl-headless", "ui-opengl" },
{ "ui-gtk", "ui-opengl" },
{ "ui-sdl", "ui-opengl" },
{ "ui-spice-core", "ui-opengl" },
#endif
};
#endif
bool module_load_one(const char *prefix, const char *lib_name, bool mayfail)
@ -219,9 +197,11 @@ bool module_load_one(const char *prefix, const char *lib_name, bool mayfail)
char *dirs[5];
char *module_name;
int i = 0, n_dirs = 0;
int ret, dep;
int ret;
bool export_symbols = false;
static GHashTable *loaded_modules;
const QemuModinfo *modinfo;
const char **sl;
if (!g_module_supported()) {
fprintf(stderr, "Module is not supported by system.\n");
@ -234,23 +214,30 @@ bool module_load_one(const char *prefix, const char *lib_name, bool mayfail)
module_name = g_strdup_printf("%s%s", prefix, lib_name);
for (dep = 0; dep < ARRAY_SIZE(module_deps); dep++) {
if (strcmp(module_name, module_deps[dep].name) == 0) {
/* we depend on another module */
module_load_one("", module_deps[dep].dep, false);
}
if (strcmp(module_name, module_deps[dep].dep) == 0) {
/* another module depends on us */
export_symbols = true;
}
}
if (g_hash_table_contains(loaded_modules, module_name)) {
g_free(module_name);
return true;
}
g_hash_table_add(loaded_modules, module_name);
for (modinfo = module_info; modinfo->name != NULL; modinfo++) {
if (modinfo->deps) {
if (strcmp(modinfo->name, module_name) == 0) {
/* we depend on other module(s) */
for (sl = modinfo->deps; *sl != NULL; sl++) {
module_load_one("", *sl, false);
}
} else {
for (sl = modinfo->deps; *sl != NULL; sl++) {
if (strcmp(module_name, *sl) == 0) {
/* another module depends on us */
export_symbols = true;
}
}
}
}
}
search_dir = getenv("QEMU_MODULE_DIR");
if (search_dir != NULL) {
dirs[n_dirs++] = g_strdup_printf("%s", search_dir);