Patchwork linux-user: decode MAP_{UNINITIALIZED, EXECUTABLE} in strace

login
register
mail settings
Submitter Mike Frysinger
Date Jan. 24, 2011, 7:57 a.m.
Message ID <1295855853-30237-1-git-send-email-vapier@gentoo.org>
Download mbox | patch
Permalink /patch/80096/
State New
Headers show

Comments

Mike Frysinger - Jan. 24, 2011, 7:57 a.m.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 linux-user/strace.c       |    4 ++++
 linux-user/syscall_defs.h |    1 +
 2 files changed, 5 insertions(+), 0 deletions(-)

Patch

diff --git a/linux-user/strace.c b/linux-user/strace.c
index bf9a0d9..a8786bb 100644
--- a/linux-user/strace.c
+++ b/linux-user/strace.c
@@ -398,6 +398,7 @@  UNUSED static struct flags mmap_flags[] = {
     FLAG_TARGET(MAP_DENYWRITE),
     FLAG_TARGET(MAP_FIXED),
     FLAG_TARGET(MAP_GROWSDOWN),
+    FLAG_TARGET(MAP_EXECUTABLE),
 #ifdef MAP_LOCKED
     FLAG_TARGET(MAP_LOCKED),
 #endif
@@ -408,6 +409,9 @@  UNUSED static struct flags mmap_flags[] = {
 #ifdef MAP_POPULATE
     FLAG_TARGET(MAP_POPULATE),
 #endif
+#ifdef TARGET_MAP_UNINITIALIZED
+    FLAG_TARGET(MAP_UNINITIALIZED),
+#endif
     FLAG_END,
 };
 
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index d02a9bf..4742ac0 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -999,6 +999,7 @@  struct target_winsize {
 #define TARGET_MAP_NORESERVE	0x4000		/* don't check for reservations */
 #define TARGET_MAP_POPULATE	0x8000		/* populate (prefault) pagetables */
 #define TARGET_MAP_NONBLOCK	0x10000		/* do not block on IO */
+#define TARGET_MAP_UNINITIALIZED 0x4000000	/* for anonymous mmap, memory could be uninitialized */
 #endif
 
 #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_CRIS)