[Valgrind-developers] valgrind/coregrind

[Dirk M. <mu...@kd...>]

CVS commit by mueller: 

add support for mincore syscall, patch by Tom Hughes
CCMAIL: 697...@bu...


  M +15 -0     vg_syscalls.c   1.73


--- valgrind/coregrind/vg_syscalls.c  #1.72:1.73
@@ -3635,4 +3635,18 @@ POST(munmap)
 }
 
+PRE(mincore)
+{
+   /* int mincore(void *start, size_t length, unsigned char *vec); */
+   MAYBE_PRINTF("mincore ( %p, %d, %p )\n", arg1,arg2,arg3);
+   SYSCALL_TRACK(pre_mem_write, tid, "mincore(vec)",
+                 arg3, (arg2 + 4096 - 1) / 4096);
+}
+
+POST(mincore)
+{
+   if (!VG_(is_kerror)(res))
+      VG_TRACK( post_mem_write, arg3, (arg2 + 4096 - 1) / 4096 );  
+}
+
 PRE(nanosleep)
 {
@@ -5021,4 +5035,5 @@ static const struct sys_info sys_info[] 
    SYSBA(mprotect,              False),
    SYSBA(munmap,                False),
+   SYSBA(mincore,               False),
    SYSBA(nanosleep,             True),
    SYSB_(_newselect,            True),