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authorAndrew Cagney <cagney@redhat.com>2003-01-09 18:53:21 +0000
committerAndrew Cagney <cagney@redhat.com>2003-01-09 18:53:21 +0000
commit479ab5a00d3aa5dba754b8231a4c9e0b03d33ded (patch)
tree67a84f3a481ea046e7009095ba9c15d0b8784325 /gdb/frame.h
parent696d5a5b8440861f2e53015652b37388ef6d4283 (diff)
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2003-01-09 Andrew Cagney <ac131313@redhat.com>
* frame.h (frame_obstack_zalloc): Replace frame_obstack_alloc. Update comments. * frame.c (frame_obstack_zalloc): Replace frame_obstack_alloc. (frame_saved_regs_zalloc): Update. (frame_saved_regs_register_unwind): Update. (create_new_frame): Update. (get_prev_frame): Update. (frame_extra_info_zalloc): Update. (deprecated_get_frame_saved_regs): Update. * dwarf2cfi.c (cfi_init_extra_frame_info): Update. * cris-tdep.c: Update comment.
Diffstat (limited to 'gdb/frame.h')
-rw-r--r--gdb/frame.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/gdb/frame.h b/gdb/frame.h
index f32021c..fbe6275 100644
--- a/gdb/frame.h
+++ b/gdb/frame.h
@@ -310,7 +310,7 @@ extern struct frame_id frame_id_unwind (struct frame_info *frame);
UNWIND_CACHE is provided as mechanism for implementing a per-frame
local cache. It's initial value being NULL. Memory for that cache
- should be allocated using frame_obstack_alloc().
+ should be allocated using frame_obstack_zalloc().
Register window architectures (eg SPARC) should note that REGNUM
identifies the register for the previous frame. For instance, a
@@ -413,7 +413,7 @@ struct frame_info
/* Anything extra for this structure that may have been defined
in the machine dependent files. */
- /* Allocated by frame_obstack_alloc () which is called /
+ /* Allocated by frame_extra_info_zalloc () which is called /
initialized by INIT_EXTRA_FRAME_INFO */
struct frame_extra_info *extra_info;
@@ -472,7 +472,11 @@ enum print_what
#define SIZEOF_FRAME_SAVED_REGS \
(sizeof (CORE_ADDR) * (NUM_REGS+NUM_PSEUDO_REGS))
-extern void *frame_obstack_alloc (unsigned long size);
+/* Allocate zero initialized memory from the frame cache obstack.
+ Appendices to the frame info (such as the unwind cache) should
+ allocate memory using this method. */
+
+extern void *frame_obstack_zalloc (unsigned long size);
/* If FRAME_CHAIN_VALID returns zero it means that the given frame
is the outermost one and has no caller. */