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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-06-08 19:40:08 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-06-08 19:40:08 +0100
commit76962be8491b18ae7ff4fd6a4accd398bdb402a2 (patch)
tree976958bf8e4989a69901bfbb25dd6463728c6cb5 /kernel/ptrace.c
parent5e27fb78df95e027723af2c90ecc9b4527ae59e9 (diff)
parentd30e5d897c3da7c2d17c8112331b66ed953eec78 (diff)
Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
Diffstat (limited to 'kernel/ptrace.c')
-rw-r--r--kernel/ptrace.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 6af9cdd558b..74a3d693c19 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -594,6 +594,32 @@ int ptrace_request(struct task_struct *child, long request,
ret = ptrace_detach(child, data);
break;
+#ifdef CONFIG_BINFMT_ELF_FDPIC
+ case PTRACE_GETFDPIC: {
+ struct mm_struct *mm = get_task_mm(child);
+ unsigned long tmp = 0;
+
+ ret = -ESRCH;
+ if (!mm)
+ break;
+
+ switch (addr) {
+ case PTRACE_GETFDPIC_EXEC:
+ tmp = mm->context.exec_fdpic_loadmap;
+ break;
+ case PTRACE_GETFDPIC_INTERP:
+ tmp = mm->context.interp_fdpic_loadmap;
+ break;
+ default:
+ break;
+ }
+ mmput(mm);
+
+ ret = put_user(tmp, (unsigned long __user *) data);
+ break;
+ }
+#endif
+
#ifdef PTRACE_SINGLESTEP
case PTRACE_SINGLESTEP:
#endif