diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/qemu-common.h | 2 | ||||
| -rw-r--r-- | include/qemu/module.h | 23 | ||||
| -rw-r--r-- | include/qemu/osdep.h | 9 |
3 files changed, 32 insertions, 2 deletions
diff --git a/include/qemu-common.h b/include/qemu-common.h index b0e34b2e15..46c2beacd2 100644 --- a/include/qemu-common.h +++ b/include/qemu-common.h @@ -352,7 +352,7 @@ char *qemu_find_file(int type, const char *name); /* OS specific functions */ void os_setup_early_signal_handling(void); -char *os_find_datadir(const char *argv0); +char *os_find_datadir(void); void os_parse_cmd_args(int index, const char *optarg); void os_pidfile_error(void); diff --git a/include/qemu/module.h b/include/qemu/module.h index c4ccd57166..72d94984a2 100644 --- a/include/qemu/module.h +++ b/include/qemu/module.h @@ -14,11 +14,31 @@ #ifndef QEMU_MODULE_H #define QEMU_MODULE_H +#include "qemu/osdep.h" + +#define DSO_STAMP_FUN glue(qemu_stamp, CONFIG_STAMP) +#define DSO_STAMP_FUN_STR stringify(DSO_STAMP_FUN) + +#ifdef BUILD_DSO +void DSO_STAMP_FUN(void); +/* This is a dummy symbol to identify a loaded DSO as a QEMU module, so we can + * distinguish "version mismatch" from "not a QEMU module", when the stamp + * check fails during module loading */ +void qemu_module_dummy(void); + +#define module_init(function, type) \ +static void __attribute__((constructor)) do_qemu_init_ ## function(void) \ +{ \ + register_dso_module_init(function, type); \ +} +#else /* This should not be used directly. Use block_init etc. instead. */ #define module_init(function, type) \ -static void __attribute__((constructor)) do_qemu_init_ ## function(void) { \ +static void __attribute__((constructor)) do_qemu_init_ ## function(void) \ +{ \ register_module_init(function, type); \ } +#endif typedef enum { MODULE_INIT_BLOCK, @@ -34,6 +54,7 @@ typedef enum { #define type_init(function) module_init(function, MODULE_INIT_QOM) void register_module_init(void (*fn)(void), module_init_type type); +void register_dso_module_init(void (*fn)(void), module_init_type type); void module_call_init(module_init_type type); diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index eac7172bcb..ffb296692d 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -215,6 +215,15 @@ bool fips_get_state(void); */ char *qemu_get_local_state_pathname(const char *relative_pathname); +/* Find program directory, and save it for later usage with + * qemu_get_exec_dir(). + * Try OS specific API first, if not working, parse from argv0. */ +void qemu_init_exec_dir(const char *argv0); + +/* Get the saved exec dir. + * Caller needs to release the returned string by g_free() */ +char *qemu_get_exec_dir(void); + /** * qemu_getauxval: * @type: the auxiliary vector key to lookup |