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authorSiddhesh Poyarekar <siddhesh@sourceware.org>2012-07-23 18:08:29 +0000
committerSiddhesh Poyarekar <siddhesh@sourceware.org>2012-07-23 18:08:29 +0000
commit6c18f3e0f4d7e0399b39a0d554b5152af71a94e2 (patch)
tree492cc1fb9f64c05b8723fcb0ede1a7d981f88bc6 /gdb
parent695c31738b1a1f052f777630bd914b7f3f783b9b (diff)
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* p-valprint.c (pascal_object_print_value): Replace potentially
unsafe alloca with xmalloc/xfree. * valops.c (search_struct_method): Likewise.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/p-valprint.c8
-rw-r--r--gdb/valops.c10
3 files changed, 20 insertions, 4 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index c471251..062eefd 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2012-07-23 Siddhesh Poyarekar <siddhesh@redhat.com>
+
+ * p-valprint.c (pascal_object_print_value): Replace potentially
+ unsafe alloca with xmalloc/xfree.
+ * valops.c (search_struct_method): Likewise.
+
2012-07-23 Tom Tromey <tromey@redhat.com>
* solib-svr4.c (enable_break): Update.
diff --git a/gdb/p-valprint.c b/gdb/p-valprint.c
index b8434ed..9f44617 100644
--- a/gdb/p-valprint.c
+++ b/gdb/p-valprint.c
@@ -797,8 +797,11 @@ pascal_object_print_value (struct type *type, const gdb_byte *valaddr,
if (boffset < 0 || boffset >= TYPE_LENGTH (type))
{
- /* FIXME (alloc): not safe is baseclass is really really big. */
- gdb_byte *buf = alloca (TYPE_LENGTH (baseclass));
+ gdb_byte *buf;
+ struct cleanup *back_to;
+
+ buf = xmalloc (TYPE_LENGTH (baseclass));
+ back_to = make_cleanup (xfree, buf);
base_valaddr = buf;
if (target_read_memory (address + boffset, buf,
@@ -807,6 +810,7 @@ pascal_object_print_value (struct type *type, const gdb_byte *valaddr,
address = address + boffset;
thisoffset = 0;
boffset = 0;
+ do_cleanups (back_to);
}
else
base_valaddr = valaddr;
diff --git a/gdb/valops.c b/gdb/valops.c
index 97d889b..f6d8441 100644
--- a/gdb/valops.c
+++ b/gdb/valops.c
@@ -2281,8 +2281,13 @@ search_struct_method (const char *name, struct value **arg1p,
if (offset < 0 || offset >= TYPE_LENGTH (type))
{
- gdb_byte *tmp = alloca (TYPE_LENGTH (baseclass));
- CORE_ADDR address = value_address (*arg1p);
+ gdb_byte *tmp;
+ struct cleanup *back_to;
+ CORE_ADDR address;
+
+ tmp = xmalloc (TYPE_LENGTH (baseclass));
+ back_to = make_cleanup (xfree, tmp);
+ address = value_address (*arg1p);
if (target_read_memory (address + offset,
tmp, TYPE_LENGTH (baseclass)) != 0)
@@ -2293,6 +2298,7 @@ search_struct_method (const char *name, struct value **arg1p,
address + offset);
base_valaddr = value_contents_for_printing (base_val);
this_offset = 0;
+ do_cleanups (back_to);
}
else
{