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authorAndrew Cagney <cagney@redhat.com>2004-03-23 13:49:50 +0000
committerAndrew Cagney <cagney@redhat.com>2004-03-23 13:49:50 +0000
commit0db9b4b7096923a0e101becc6ffc88b75f11f0a1 (patch)
treeccec46bb95cde317d5dde993e42d31b4ecc27838 /gdb/trad-frame.c
parent88d65ad6f1503fecf3f07d742ca76b218ff08518 (diff)
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2004-03-23 Andrew Cagney <cagney@redhat.com>
* Makefile.in (trad_frame_h): Add $(frame_h). * trad-frame.h: Update copyright. Include "frame.h". (struct trad_frame_cache, trad_frame_cache_zalloc): Declare. (trad_frame_set_id, trad_frame_get_id): Declare. (trad_frame_set_reg_addr, trad_frame_get_register): Declare. * trad-frame.c: Update copyright. (struct trad_frame_cache): Define. (trad_frame_cache_zalloc): New function. (trad_frame_set_id, trad_frame_get_id): New functions. (trad_frame_set_reg_addr, trad_frame_get_register): New functions.
Diffstat (limited to 'gdb/trad-frame.c')
-rw-r--r--gdb/trad-frame.c54
1 files changed, 53 insertions, 1 deletions
diff --git a/gdb/trad-frame.c b/gdb/trad-frame.c
index f397f5d..f51998d 100644
--- a/gdb/trad-frame.c
+++ b/gdb/trad-frame.c
@@ -1,6 +1,6 @@
/* Traditional frame unwind support, for GDB the GNU Debugger.
- Copyright 2003 Free Software Foundation, Inc.
+ Copyright 2003, 2004 Free Software Foundation, Inc.
This file is part of GDB.
@@ -24,6 +24,25 @@
#include "trad-frame.h"
#include "regcache.h"
+struct trad_frame_cache
+{
+ struct frame_info *next_frame;
+ CORE_ADDR this_base;
+ struct trad_frame_saved_reg *prev_regs;
+ struct frame_id this_id;
+};
+
+struct trad_frame_cache *
+trad_frame_cache_zalloc (struct frame_info *next_frame)
+{
+ struct trad_frame_cache *this_trad_cache;
+
+ this_trad_cache = FRAME_OBSTACK_ZALLOC (struct trad_frame_cache);
+ this_trad_cache->prev_regs = trad_frame_alloc_saved_regs (next_frame);
+ this_trad_cache->next_frame = next_frame;
+ return this_trad_cache;
+}
+
/* A traditional frame is unwound by analysing the function prologue
and using the information gathered to track registers. For
non-optimized frames, the technique is reliable (just need to check
@@ -79,6 +98,13 @@ trad_frame_set_value (struct trad_frame_saved_reg this_saved_regs[],
}
void
+trad_frame_set_reg_addr (struct trad_frame_cache *this_trad_cache,
+ int regnum, CORE_ADDR addr)
+{
+ this_trad_cache->prev_regs[regnum].addr = addr;
+}
+
+void
trad_frame_set_unknown (struct trad_frame_saved_reg this_saved_regs[],
int regnum)
{
@@ -132,3 +158,29 @@ trad_frame_prev_register (struct frame_info *next_frame,
gdbarch_register_name (gdbarch, regnum));
}
}
+
+void
+trad_frame_get_register (struct trad_frame_cache *this_trad_cache,
+ struct frame_info *next_frame,
+ int regnum, int *optimizedp,
+ enum lval_type *lvalp, CORE_ADDR *addrp,
+ int *realregp, void *bufferp)
+{
+ trad_frame_prev_register (next_frame, this_trad_cache->prev_regs,
+ regnum, optimizedp, lvalp, addrp, realregp,
+ bufferp);
+}
+
+void
+trad_frame_set_id (struct trad_frame_cache *this_trad_cache,
+ struct frame_id this_id)
+{
+ this_trad_cache->this_id = this_id;
+}
+
+void
+trad_frame_get_id (struct trad_frame_cache *this_trad_cache,
+ struct frame_id *this_id)
+{
+ (*this_id) = this_trad_cache->this_id;
+}