commit a9b5b10f23fe0f55e39fece22d5d4bfdf7f3bdfe
author Tommi Rantala <tt.rantala@gmail.com> Wed Sep 19 11:01:01 2012 +0300
committer Tommi Rantala <tt.rantala@gmail.com> Fri Sep 28 14:50:03 2012 +0300
tree 29c49bcb883fb7ba1cc21f109acdb253bd2949bf
parent fca254a9b4a96de9a5f3519f736dd01585b9a648

Set `_UPT_reg_offset' read only

We do not modify `_UPT_reg_offset', so let's set it `const'. Given that
the array is exported, it's technically possible that some library user
is actually modifying the content, but does not seem really all that
likely.

src/ptrace/_UPT_internal.h

diff --git a/src/ptrace/_UPT_internal.h b/src/ptrace/_UPT_internal.h
index 27149d3..2283dc4 100644
--- a/src/ptrace/_UPT_internal.h
+++ b/src/ptrace/_UPT_internal.h
@@ -54,6 +54,6 @@
     struct elf_dyn_info edi;
   };
 
-extern int _UPT_reg_offset[UNW_REG_LAST + 1];
+extern const int _UPT_reg_offset[UNW_REG_LAST + 1];
 
 #endif /* _UPT_internal_h */

src/ptrace/_UPT_reg_offset.c

diff --git a/src/ptrace/_UPT_reg_offset.c b/src/ptrace/_UPT_reg_offset.c
index a59c852..765f7d5 100644
--- a/src/ptrace/_UPT_reg_offset.c
+++ b/src/ptrace/_UPT_reg_offset.c
@@ -31,7 +31,7 @@
 # include <asm/ptrace_offsets.h>
 #endif
 
-int _UPT_reg_offset[UNW_REG_LAST + 1] =
+const int _UPT_reg_offset[UNW_REG_LAST + 1] =
   {
 #ifdef HAVE_ASM_PTRACE_OFFSETS_H
 # ifndef PT_AR_CSD