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.
This commit is contained in:
Andrew Cagney 2004-03-23 13:49:50 +00:00
parent 88d65ad6f1
commit 0db9b4b709
4 changed files with 92 additions and 3 deletions

View file

@ -1,3 +1,16 @@
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.
2004-03-22 Andrew Cagney <cagney@redhat.com> 2004-03-22 Andrew Cagney <cagney@redhat.com>
* s390-tdep.c (struct s390_stub_unwind_cache): Rename * s390-tdep.c (struct s390_stub_unwind_cache): Rename

View file

@ -756,7 +756,7 @@ target_h = target.h $(bfd_h) $(symtab_h) $(dcache_h) $(memattr_h)
terminal_h = terminal.h terminal_h = terminal.h
top_h = top.h top_h = top.h
tracepoint_h = tracepoint.h tracepoint_h = tracepoint.h
trad_frame_h = trad-frame.h trad_frame_h = trad-frame.h $(frame_h)
typeprint_h = typeprint.h typeprint_h = typeprint.h
ui_file_h = ui-file.h ui_file_h = ui-file.h
ui_out_h = ui-out.h ui_out_h = ui-out.h

View file

@ -1,6 +1,6 @@
/* Traditional frame unwind support, for GDB the GNU Debugger. /* 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. This file is part of GDB.
@ -24,6 +24,25 @@
#include "trad-frame.h" #include "trad-frame.h"
#include "regcache.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 /* A traditional frame is unwound by analysing the function prologue
and using the information gathered to track registers. For and using the information gathered to track registers. For
non-optimized frames, the technique is reliable (just need to check non-optimized frames, the technique is reliable (just need to check
@ -78,6 +97,13 @@ trad_frame_set_value (struct trad_frame_saved_reg this_saved_regs[],
this_saved_regs[regnum].addr = val; this_saved_regs[regnum].addr = val;
} }
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 void
trad_frame_set_unknown (struct trad_frame_saved_reg this_saved_regs[], trad_frame_set_unknown (struct trad_frame_saved_reg this_saved_regs[],
int regnum) int regnum)
@ -132,3 +158,29 @@ trad_frame_prev_register (struct frame_info *next_frame,
gdbarch_register_name (gdbarch, regnum)); 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;
}

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@ -1,6 +1,6 @@
/* Traditional frame unwind support, for GDB the GNU Debugger. /* 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. This file is part of GDB.
@ -22,7 +22,31 @@
#ifndef TRAD_FRAME_H #ifndef TRAD_FRAME_H
#define TRAD_FRAME_H #define TRAD_FRAME_H
#include "frame.h" /* For "struct frame_id". */
struct frame_info; struct frame_info;
struct trad_frame_cache;
/* A simple, or traditional frame cache.
The entire cache is populated in a single pass and then generic
routines are used to extract the various cache values. */
struct trad_frame_cache *trad_frame_cache_zalloc (struct frame_info *next_frame);
/* This frame's ID. */
void trad_frame_set_id (struct trad_frame_cache *this_trad_cache,
struct frame_id this_id);
void trad_frame_get_id (struct trad_frame_cache *this_trad_cache,
struct frame_id *this_id);
void trad_frame_set_reg_unknown (struct trad_frame_cache *this_trad_cache,
int regnum, CORE_ADDR addr);
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);
/* A traditional saved regs table, indexed by REGNUM, encoding where /* A traditional saved regs table, indexed by REGNUM, encoding where
the value of REGNUM for the previous frame can be found in this the value of REGNUM for the previous frame can be found in this