[Valgrind-developers] valgrind/coregrind

[Tom H. <th...@cy...>]

CVS commit by thughes: 

Add support for the FBIOGET_VSCREENINFO and FBIOGET_FSCREENINFO ioctls
based on a patch from Paul Olav Tvete <pa...@tr...>.

CCMAIL: 770...@bu...


  M +20 -0     vg_syscalls.c   1.94
  M +1 -0      vg_unsafe.h   1.26


--- valgrind/coregrind/vg_syscalls.c  #1.93:1.94
@@ -3232,4 +3232,15 @@ PRE(ioctl)
       break;
 
+   case FBIOGET_VSCREENINFO: /* 0x4600 */
+      SYSCALL_TRACK( pre_mem_write,tid,
+                     "ioctl(FBIOGET_VSCREENINFO)", arg3,
+                     sizeof(struct fb_var_screeninfo));
+      break;
+   case FBIOGET_FSCREENINFO: /* 0x4602 */
+      SYSCALL_TRACK( pre_mem_write,tid,
+                     "ioctl(FBIOGET_FSCREENINFO)", arg3,
+                     sizeof(struct fb_fix_screeninfo));
+      break;
+
       /* We don't have any specific information on it, so
          try to do something reasonable based on direction and
@@ -3585,4 +3596,13 @@ POST(ioctl)
       break;
 
+   case FBIOGET_VSCREENINFO: //0x4600
+      if (res == 0)
+         VG_TRACK( post_mem_write,arg3, sizeof(struct fb_var_screeninfo));
+      break;
+   case FBIOGET_FSCREENINFO: //0x4602
+      if (res == 0)
+         VG_TRACK( post_mem_write,arg3, sizeof(struct fb_fix_screeninfo));
+      break;
+
       /* We don't have any specific information on it, so
          try to do something reasonable based on direction and

--- valgrind/coregrind/vg_unsafe.h  #1.25:1.26
@@ -64,4 +64,5 @@
 #include <signal.h>       /* for siginfo_t */
 #include <linux/timex.h>  /* for adjtimex */
+#include <linux/fb.h>     /* for fb_* structs */
 
 #define __USE_LARGEFILE64