diff options
Diffstat (limited to 'src/loader')
| -rw-r--r-- | src/loader/Makefile.am | 5 | ||||
| -rw-r--r-- | src/loader/loader.c | 42 |
2 files changed, 43 insertions, 4 deletions
diff --git a/src/loader/Makefile.am b/src/loader/Makefile.am index 371dd575c09..bddf7ac35ed 100644 --- a/src/loader/Makefile.am +++ b/src/loader/Makefile.am @@ -29,9 +29,6 @@ libloader_la_CPPFLAGS = \ $(VISIBILITY_CFLAGS) \ $(LIBUDEV_CFLAGS) -libloader_la_LIBADD = \ - $(LIBUDEV_LIBS) - if !HAVE_LIBDRM libloader_la_CPPFLAGS += \ -D__NOT_HAVE_DRM_H @@ -39,7 +36,7 @@ else libloader_la_CPPFLAGS += \ $(LIBDRM_CFLAGS) -libloader_la_LIBADD += \ +libloader_la_LIBADD = \ $(LIBDRM_LIBS) endif diff --git a/src/loader/loader.c b/src/loader/loader.c index a5bd7692e6e..63b977aa743 100644 --- a/src/loader/loader.c +++ b/src/loader/loader.c @@ -67,6 +67,8 @@ #include <stdarg.h> #include <stdio.h> #include <string.h> +#include <assert.h> +#include <dlfcn.h> #include "loader.h" #ifndef __NOT_HAVE_DRM_H @@ -92,11 +94,37 @@ static void (*log_)(int level, const char *fmt, ...) = default_logger; #ifdef HAVE_LIBUDEV #include <libudev.h> +static void *udev_handle = NULL; + +static void * +udev_dlopen_handle(void) +{ + if (!udev_handle) { + udev_handle = dlopen("libudev.so.1", RTLD_LOCAL | RTLD_LAZY); + } + + return udev_handle; +} + +static void * +asserted_dlsym(void *dlopen_handle, const char *name) +{ + void *result = dlsym(dlopen_handle, name); + assert(result); + return result; +} + +#define UDEV_SYMBOL(ret, name, args) \ + ret (*name) args = asserted_dlsym(udev_dlopen_handle(), #name); + + static inline struct udev_device * udev_device_new_from_fd(struct udev *udev, int fd) { struct udev_device *device; struct stat buf; + UDEV_SYMBOL(struct udev_device *, udev_device_new_from_devnum, + (struct udev *udev, char type, dev_t devnum)); if (fstat(fd, &buf) < 0) { log_(_LOADER_WARNING, "MESA-LOADER: failed to stat fd %d", fd); @@ -119,6 +147,14 @@ loader_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id) struct udev *udev = NULL; struct udev_device *device = NULL, *parent; const char *pci_id; + UDEV_SYMBOL(struct udev *, udev_new, (void)); + UDEV_SYMBOL(struct udev_device *, udev_device_get_parent, + (struct udev_device *)); + UDEV_SYMBOL(const char *, udev_device_get_property_value, + (struct udev_device *, const char *)); + UDEV_SYMBOL(struct udev_device *, udev_device_unref, + (struct udev_device *)); + UDEV_SYMBOL(struct udev *, udev_unref, (struct udev *)); *chip_id = -1; @@ -240,6 +276,12 @@ loader_get_device_name_for_fd(int fd) struct udev *udev; struct udev_device *device; const char *const_device_name; + UDEV_SYMBOL(struct udev *, udev_new, (void)); + UDEV_SYMBOL(const char *, udev_device_get_devnode, + (struct udev_device *)); + UDEV_SYMBOL(struct udev_device *, udev_device_unref, + (struct udev_device *)); + UDEV_SYMBOL(struct udev *, udev_unref, (struct udev *)); udev = udev_new(); device = udev_device_new_from_fd(udev, fd); |