OpenE2K/binutils-gdb
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2004-03-23 Andrew Cagney <cagney@redhat.com>

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* 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
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13
gdb/ChangeLog
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@ -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>
* s390-tdep.c (struct s390_stub_unwind_cache): Rename

2
gdb/Makefile.in
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@ -756,7 +756,7 @@ target_h = target.h $(bfd_h) $(symtab_h) $(dcache_h) $(memattr_h)
terminal_h = terminal.h
top_h = top.h
tracepoint_h = tracepoint.h
trad_frame_h = trad-frame.h
trad_frame_h = trad-frame.h $(frame_h)
typeprint_h = typeprint.h
ui_file_h = ui-file.h
ui_out_h = ui-out.h

54
gdb/trad-frame.c
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@ -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
@ -78,6 +97,13 @@ trad_frame_set_value (struct trad_frame_saved_reg this_saved_regs[],
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
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;
}

26
gdb/trad-frame.h
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@ -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.
@ -22,7 +22,31 @@
#ifndef TRAD_FRAME_H
#define TRAD_FRAME_H
#include "frame.h" /* For "struct frame_id". */
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
the value of REGNUM for the previous frame can be found in this