gdb:

	* dwarf2read.c (read_tag_const_type): Handle const arrays.
gdb/testsuite:
	* gdb.base/constvars.c (logical, lugged, luck, lunar, lumen, lurk,
	lush, lynx) New constant.
	* gdb.base/constvars.exp: Test const array types.
	* gdb.dwarf2/dw2-strp.exp: Add const qualifier for ptype tests.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 3031dc4..e1d6cb0 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2010-10-06  Ken Werner  <ken.werner@de.ibm.com>
+
+       * dwarf2read.c (read_tag_const_type): Handle const arrays.
+
 2010-10-06  Doug Evans  <dje@google.com>
 
        Create subdir data-directory.

diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index bf36e01..02304cb 100644 (file)
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -7607,6 +7607,29 @@ read_tag_const_type (struct die_info *die, struct dwarf2_cu *cu)
   if (cv_type)
     return cv_type;
 
+  /* In case the const qualifier is applied to an array type, the element type
+     is so qualified, not the array type (section 6.7.3 of C99).  */
+  if (TYPE_CODE (base_type) == TYPE_CODE_ARRAY)
+    {
+      struct type *el_type, *inner_array;
+
+      base_type = copy_type (base_type);
+      inner_array = base_type;
+
+      while (TYPE_CODE (TYPE_TARGET_TYPE (inner_array)) == TYPE_CODE_ARRAY)
+       {
+         TYPE_TARGET_TYPE (inner_array) =
+           copy_type (TYPE_TARGET_TYPE (inner_array));
+         inner_array = TYPE_TARGET_TYPE (inner_array);
+       }
+
+      el_type = TYPE_TARGET_TYPE (inner_array);
+      TYPE_TARGET_TYPE (inner_array) =
+       make_cv_type (1, TYPE_VOLATILE (el_type), el_type, NULL);
+
+      return set_die_type (die, base_type, cu);
+    }
+
   cv_type = make_cv_type (1, TYPE_VOLATILE (base_type), base_type, 0);
   return set_die_type (die, cv_type, cu);
 }

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index ded8355..3686c82 100644 (file)
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2010-10-06  Ken Werner  <ken.werner@de.ibm.com>
+
+       * gdb.base/constvars.c (logical, lugged, luck, lunar, lumen, lurk,
+       lush, lynx) New constant.
+       * gdb.base/constvars.exp: Test const array types.
+       * gdb.dwarf2/dw2-strp.exp: Add const qualifier for ptype tests.
+
 2010-10-06  Doug Evans  <dje@google.com>
 
        * gdb.base/catch-syscall.exp (do_syscall_tests): Update location

diff --git a/gdb/testsuite/gdb.base/constvars.c b/gdb/testsuite/gdb.base/constvars.c
index 9c11c38..289b8e7 100644 (file)
--- a/gdb/testsuite/gdb.base/constvars.c
+++ b/gdb/testsuite/gdb.base/constvars.c
@@ -84,6 +84,16 @@ main (void)
   float          *const   lissome   = &leeway;
   double         *const   locust    = &legacy;
 
+  /* constant arrays */
+  const char logical[2] = {laconic, laconic};
+  const unsigned char lugged[2] = {laggard, laggard};
+  const short luck[2] = {lagoon, lagoon};
+  const unsigned short lunar[2] = {laity, laity};
+  const long lumen[2] = {lambent, lambent};
+  const unsigned long lurk[2] = {laminated, laminated};
+  const float lush[2] = {lampoon, lampoon};
+  const double lynx[2] = {languid, languid};
+
   /* volatile variables */
 
   volatile char vox = 'X';

diff --git a/gdb/testsuite/gdb.base/constvars.exp b/gdb/testsuite/gdb.base/constvars.exp
index 4d698d8..375f360 100644 (file)
--- a/gdb/testsuite/gdb.base/constvars.exp
+++ b/gdb/testsuite/gdb.base/constvars.exp
@@ -253,6 +253,23 @@ proc do_constvar_tests {} {
     gdb_test "ptype locust" "type = double \\* const"
 
     local_compiler_xfail_check
+    gdb_test "ptype logical" "type = const char \\\[2\\\]"
+    local_compiler_xfail_check
+    gdb_test "ptype lugged" "type = const unsigned char \\\[2\\\]"
+    local_compiler_xfail_check
+    gdb_test "ptype luck" "type = const short( int)? \\\[2\\\]"
+    local_compiler_xfail_check
+    gdb_test "ptype lunar" "type = const (unsigned short|short unsigned)( int)? \\\[2\\\]"
+    local_compiler_xfail_check
+    gdb_test "ptype lumen" "type = const long( int)? \\\[2\\\]"
+    local_compiler_xfail_check
+    gdb_test "ptype lurk" "type = const (unsigned long|long unsigned)( int)? \\\[2\\\]"
+    local_compiler_xfail_check
+    gdb_test "ptype lush" "type = const float \\\[2\\\]"
+    local_compiler_xfail_check
+    gdb_test "ptype lynx" "type = const double \\\[2\\\]"
+
+    local_compiler_xfail_check
     local_compiler_xfail_check_2
     gdb_test "ptype crass" "type = struct crass \{\[\r\n\]+\[\ \t\]+char \\* const ptr;\[\r\n\]+\}"
     local_compiler_xfail_check

diff --git a/gdb/testsuite/gdb.dwarf2/dw2-strp.exp b/gdb/testsuite/gdb.dwarf2/dw2-strp.exp
index 3895204..536f773 100644 (file)
--- a/gdb/testsuite/gdb.dwarf2/dw2-strp.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-strp.exp
@@ -49,7 +49,7 @@ gdb_reinitialize_dir $srcdir/$subdir
 gdb_load ${binfile}
 
 gdb_test "p a_string" " = \"hello world!\\\\n\""
-gdb_test "ptype a_string" "type = char \\\[14\\\]"
+gdb_test "ptype a_string" "type = const char \\\[14\\\]"
 
 gdb_test "p a_string2" " = \"hello world2\\\\n\""
-gdb_test "ptype a_string2" "type = char \\\[14\\\]"
+gdb_test "ptype a_string2" "type = const char \\\[14\\\]"