[Mesa-dev] [PATCH] shader-db: Add hooks for open64 and fstat64 to intel_stub

[Scott D Phillips]

Jason Ekstrand <jason at jlekstrand.net> writes:

> This gets the stub working again with meson builds of Mesa

works,
Reviewed-by: Scott D Phillips <scott.d.phillips at intel.com>

> ---
>  intel_stub.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 51 insertions(+)
>
> diff --git a/intel_stub.c b/intel_stub.c
> index aba82c9..ab046e5 100644
> --- a/intel_stub.c
> +++ b/intel_stub.c
> @@ -40,10 +40,13 @@
>  static void *(*libc_mmap)(void *addr, size_t len, int prot, int flags,
>                            int fildes, off_t off);
>  static int (*libc_open)(const char *pathname, int flags, mode_t mode);
> +static int (*libc_open64)(const char *pathname, int flags, mode_t mode);
>  static int (*libc_close)(int fd);
>  static int (*libc_ioctl)(int fd, unsigned long request, void *argp);
>  static int (*libc_fstat)(int fd, struct stat *buf);
> +static int (*libc_fstat64)(int fd, struct stat64 *buf);
>  static int (*libc__fxstat)(int ver, int fd, struct stat *buf);
> +static int (*libc__fxstat64)(int ver, int fd, struct stat64 *buf);
>  static int (*libc_fcntl)(int fd, int cmd, int param);
>  static ssize_t (*libc_readlink)(const char *pathname, char *buf, size_t bufsiz);
>  
> @@ -95,6 +98,22 @@ open(const char *path, int flags, ...)
>  }
>  
>  __attribute__ ((visibility ("default"))) int
> +open64(const char *path, int flags, ...)
> +{
> +       va_list args;
> +       mode_t mode;
> +
> +       if (strcmp(path, "/dev/dri/renderD128") == 0)
> +	       return drm_fd;
> +
> +       va_start(args, flags);
> +       mode = va_arg(args, int);
> +       va_end(args);
> +
> +       return libc_open64(path, flags, mode);
> +}
> +
> +__attribute__ ((visibility ("default"))) int
>  close(int fd)
>  {
>  	if (fd == drm_fd)
> @@ -118,6 +137,20 @@ fstat(int fd, struct stat *buf)
>  }
>  
>  __attribute__ ((visibility ("default"))) int
> +fstat64(int fd, struct stat64 *buf)
> +{
> +	if (fd == drm_fd) {
> +		buf->st_mode = S_IFCHR |
> +			(S_IRWXG | S_IRGRP |  S_IRWXU | S_IRUSR);
> +		buf->st_uid = 0;
> +		buf->st_gid = getgid();
> +		return 0;
> +	}
> +
> +	return libc_fstat64(fd, buf);
> +}
> +
> +__attribute__ ((visibility ("default"))) int
>  __fxstat(int ver, int fd, struct stat *buf)
>  {
>  	if (fd == drm_fd) {
> @@ -133,6 +166,21 @@ __fxstat(int ver, int fd, struct stat *buf)
>  }
>  
>  __attribute__ ((visibility ("default"))) int
> +__fxstat64(int ver, int fd, struct stat64 *buf)
> +{
> +	if (fd == drm_fd) {
> +		buf->st_mode = S_IFCHR |
> +			(S_IRWXG | S_IRGRP |  S_IRWXU | S_IRUSR);
> +		buf->st_rdev = makedev(DRM_MAJOR, 0);
> +		buf->st_uid = 0;
> +		buf->st_gid = getgid();
> +		return 0;
> +	}
> +
> +	return libc__fxstat64(ver, fd, buf);
> +}
> +
> +__attribute__ ((visibility ("default"))) int
>  fcntl(int fd, int cmd, ...)
>  {
>  	va_list args;
> @@ -248,10 +296,13 @@ static void __attribute__ ((constructor))
>  init(void)
>  {
>  	libc_open = dlsym(RTLD_NEXT, "open");
> +	libc_open64 = dlsym(RTLD_NEXT, "open64");
>  	libc_close = dlsym(RTLD_NEXT, "close");
>  	libc_fcntl = dlsym(RTLD_NEXT, "fcntl");
>  	libc_fstat = dlsym(RTLD_NEXT, "fstat");
> +	libc_fstat64 = dlsym(RTLD_NEXT, "fstat64");
>  	libc__fxstat = dlsym(RTLD_NEXT, "__fxstat");
> +	libc__fxstat64 = dlsym(RTLD_NEXT, "__fxstat64");
>  	libc_ioctl = dlsym(RTLD_NEXT, "ioctl");
>  	libc_mmap = dlsym(RTLD_NEXT, "mmap");
>  	libc_readlink = dlsym(RTLD_NEXT, "readlink");
> -- 
> 2.7.4
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev