2004-06-01 Michael Chastain <mec.gnu@mindspring.com>

	Fix PR symtab/1661.
	* hpread.c (hpread_pxdb_needed): Call memset after alloca.
	(hpread_read_struct_type): Likewise.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index fc67b2e..785dd9b 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2004-06-01  Michael Chastain  <mec.gnu@mindspring.com>
+
+       Fix PR symtab/1661.
+       * hpread.c (hpread_pxdb_needed): Call memset after alloca.
+       (hpread_read_struct_type): Likewise.
+
 2004-06-01  Andrew Cagney  <cagney@gnu.org>
 
        * mi/mi-cmd-env.c (env_execute_cli_command): Use xstrprintf

diff --git a/gdb/hpread.c b/gdb/hpread.c
index b3742d0..0701473 100644 (file)
--- a/gdb/hpread.c
+++ b/gdb/hpread.c
@@ -383,6 +383,7 @@ hpread_pxdb_needed (bfd *sym_bfd)
       if (header_section_size == (bfd_size_type) sizeof (DOC_info_PXDB_header))
        {
          buf = alloca (sizeof (DOC_info_PXDB_header));
+         memset (buf, 0, sizeof (DOC_info_PXDB_header));
 
          if (!bfd_get_section_contents (sym_bfd,
                                         header_section,
@@ -450,6 +451,7 @@ hpread_pxdb_needed (bfd *sym_bfd)
        {
 
          buf = alloca (sizeof (PXDB_header));
+         memset (buf, 0, sizeof (PXDB_header));
          if (!bfd_get_section_contents (sym_bfd,
                                         header_section,
                                         buf, 0,
@@ -3686,6 +3688,7 @@ hpread_read_struct_type (dnttpointer hp_type, union dnttentry *dn_bufp,
 
          /* Get space to record the next field/data-member. */
          new = (struct nextfield *) alloca (sizeof (struct nextfield));
+         memset (new, 0, sizeof (struct nextfield));
          new->next = list;
          list = new;
 
@@ -3764,6 +3767,7 @@ hpread_read_struct_type (dnttpointer hp_type, union dnttentry *dn_bufp,
          n_templ_args++;
          /* Allocate and fill in a struct next_template */
          t_new = (struct next_template *) alloca (sizeof (struct next_template));
+         memset (t_new, 0, sizeof (struct next_template));
          t_new->next = t_list;
          t_list = t_new;
          t_list->arg.name = VT (objfile) + fieldp->dtempl_arg.name;
@@ -3904,6 +3908,7 @@ hpread_read_struct_type (dnttpointer hp_type, union dnttentry *dn_bufp,
                  /* Get space to record this member function */
                  /* Note: alloca used; this will disappear on routine exit */
                  fn_new = (struct next_fn_field *) alloca (sizeof (struct next_fn_field));
+                 memset (fn_new, 0, sizeof (struct next_fn_field));
                  fn_new->next = fn_list;
                  fn_list = fn_new;
 
@@ -4021,6 +4026,7 @@ hpread_read_struct_type (dnttpointer hp_type, union dnttentry *dn_bufp,
 
              /* Get space to record this static member */
              new = (struct nextfield *) alloca (sizeof (struct nextfield));
+             memset (new, 0, sizeof (struct nextfield));
              new->next = list;
              list = new;
 
@@ -4051,6 +4057,7 @@ hpread_read_struct_type (dnttpointer hp_type, union dnttentry *dn_bufp,
                warning ("Debug info inconsistent: FIELD of anonymous union doesn't have a_union bit set");
              /* Get space to record the next field/data-member. */
              new = (struct nextfield *) alloca (sizeof (struct nextfield));
+             memset (new, 0, sizeof (struct nextfield));
              new->next = list;
              list = new;
 
@@ -4082,6 +4089,7 @@ hpread_read_struct_type (dnttpointer hp_type, union dnttentry *dn_bufp,
                warning ("Debug info inconsistent: SVAR field in anonymous union doesn't have a_union bit set");
              /* Get space to record the next field/data-member. */
              new = (struct nextfield *) alloca (sizeof (struct nextfield));
+             memset (new, 0, sizeof (struct nextfield));
              new->next = list;
              list = new;
 
@@ -4102,6 +4110,7 @@ hpread_read_struct_type (dnttpointer hp_type, union dnttentry *dn_bufp,
                warning ("Debug info inconsistent: DVAR field in anonymous union doesn't have a_union bit set");
              /* Get space to record the next field/data-member. */
              new = (struct nextfield *) alloca (sizeof (struct nextfield));
+             memset (new, 0, sizeof (struct nextfield));
              new->next = list;
              list = new;
 
@@ -4150,6 +4159,7 @@ hpread_read_struct_type (dnttpointer hp_type, union dnttentry *dn_bufp,
 
          /* Get space to record the next field/data-member. */
          new = (struct nextfield *) alloca (sizeof (struct nextfield));
+         memset (new, 0, sizeof (struct nextfield));
          new->next = list;
          list = new;
 
@@ -4233,6 +4243,7 @@ hpread_read_struct_type (dnttpointer hp_type, union dnttentry *dn_bufp,
            break;
 
          i_new = (struct next_instantiation *) alloca (sizeof (struct next_instantiation));
+         memset (i_new, 0, sizeof (struct next_instantiation));
          i_new->next = i_list;
          i_list = i_new;
          i_list->t = hpread_type_lookup (field, objfile);