Small tweak for dwarf_getlocation_implicit_value; NEWS item for it.

diff --git a/NEWS b/NEWS
index 992ffd2..b93cfd1 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,7 @@ Version 0.143:
 
 libdw: Various convenience functions for individual attributes now use
        dwarf_attr_integrate to look up indirect inherited attributes.
+       Location expression handling now supports DW_OP_implicit_value.
 
 libdwfl: Support automatic decompression of files in XZ format,
         and of Linux kernel images made with bzip2 or LZMA (as well as gzip).

diff --git a/libdw/ChangeLog b/libdw/ChangeLog
index 2346ba3..2208f77 100644 (file)
--- a/libdw/ChangeLog
+++ b/libdw/ChangeLog
@@ -1,3 +1,9 @@
+2009-09-17  Roland McGrath  <roland@redhat.com>
+
+       * dwarf_getlocation.c (dwarf_getlocation_implicit_value): Make OP
+       argument a pointer to const.
+       * libdw.h: Update decl.
+
 2009-09-10  Roland McGrath  <roland@redhat.com>
 
        * dwarf_getlocation.c (store_implicit_value): New function.

diff --git a/libdw/dwarf_getlocation.c b/libdw/dwarf_getlocation.c
index c3b7f3d..17df8fe 100644 (file)
--- a/libdw/dwarf_getlocation.c
+++ b/libdw/dwarf_getlocation.c
@@ -129,13 +129,13 @@ store_implicit_value (Dwarf *dbg, void **cache, Dwarf_Op *op,
 int
 dwarf_getlocation_implicit_value (attr, op, return_block)
      Dwarf_Attribute *attr;
-     Dwarf_Op *op;
+     const Dwarf_Op *op;
      Dwarf_Block *return_block;
 {
   if (attr == NULL)
     return -1;
 
-  struct loc_block_s fake = { .addr = op };
+  struct loc_block_s fake = { .addr = (void *) op };
   struct loc_block_s **found = tfind (&fake, &attr->cu->locs, loc_compare);
   if (unlikely (found == NULL))
     {

diff --git a/libdw/libdw.h b/libdw/libdw.h
index 4cdc220..7602e61 100644 (file)
--- a/libdw/libdw.h
+++ b/libdw/libdw.h
@@ -627,7 +627,7 @@ extern int dwarf_getlocation_addr (Dwarf_Attribute *attr, Dwarf_Addr address,
    The OP pointer must point into an expression that dwarf_getlocation
    or dwarf_getlocation_addr has returned given the same ATTR.  */
 extern int dwarf_getlocation_implicit_value (Dwarf_Attribute *attr,
-                                            Dwarf_Op *op,
+                                            const Dwarf_Op *op,
                                             Dwarf_Block *return_block)
   __nonnull_attribute__ (2, 3);