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2003-04-12 Andrew Cagney <cagney@redhat.com>

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* frame.h (struct frame_info): Move definition from here ...
	* frame.c (struct frame_info): ... to here.
This commit is contained in:
Andrew Cagney 2003-04-13 00:10:22 +00:00
parent dd56a831d6
commit bd013d5471
3 changed files with 96 additions and 92 deletions
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5
gdb/ChangeLog
View file

@ -1,3 +1,8 @@
2003-04-12 Andrew Cagney <cagney@redhat.com>
* frame.h (struct frame_info): Move definition from here ...
* frame.c (struct frame_info): ... to here.
2003-04-12 Andrew Cagney <cagney@redhat.com>
* gdbthread.h (save_infrun_state): Delete parameter

91
gdb/frame.c
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@ -40,6 +40,97 @@
#include "command.h"
#include "gdbcmd.h"
/* We keep a cache of stack frames, each of which is a "struct
frame_info". The innermost one gets allocated (in
wait_for_inferior) each time the inferior stops; current_frame
points to it. Additional frames get allocated (in get_prev_frame)
as needed, and are chained through the next and prev fields. Any
time that the frame cache becomes invalid (most notably when we
execute something, but also if we change how we interpret the
frames (e.g. "set heuristic-fence-post" in mips-tdep.c, or anything
which reads new symbols)), we should call reinit_frame_cache. */
struct frame_info
{
/* Level of this frame. The inner-most (youngest) frame is at level
0. As you move towards the outer-most (oldest) frame, the level
increases. This is a cached value. It could just as easily be
computed by counting back from the selected frame to the inner
most frame. */
/* NOTE: cagney/2002-04-05: Perhaphs a level of ``-1'' should be
reserved to indicate a bogus frame - one that has been created
just to keep GDB happy (GDB always needs a frame). For the
moment leave this as speculation. */
int level;
/* The frame's type. */
/* FIXME: cagney/2003-04-02: Should instead be returning
->unwind->type. Unfortunatly, legacy code is still explicitly
setting the type using the method deprecated_set_frame_type.
Eliminate that method and this field can be eliminated. */
enum frame_type type;
/* For each register, address of where it was saved on entry to the
frame, or zero if it was not saved on entry to this frame. This
includes special registers such as pc and fp saved in special
ways in the stack frame. The SP_REGNUM is even more special, the
address here is the sp for the previous frame, not the address
where the sp was saved. */
/* Allocated by frame_saved_regs_zalloc () which is called /
initialized by DEPRECATED_FRAME_INIT_SAVED_REGS(). */
CORE_ADDR *saved_regs; /*NUM_REGS + NUM_PSEUDO_REGS*/
/* Anything extra for this structure that may have been defined in
the machine dependent files. */
/* Allocated by frame_extra_info_zalloc () which is called /
initialized by DEPRECATED_INIT_EXTRA_FRAME_INFO */
struct frame_extra_info *extra_info;
/* If dwarf2 unwind frame informations is used, this structure holds
all related unwind data. */
struct context *context;
/* The frame's low-level unwinder and corresponding cache. The
low-level unwinder is responsible for unwinding register values
for the previous frame. The low-level unwind methods are
selected based on the presence, or otherwize, of register unwind
information such as CFI. */
void *prologue_cache;
const struct frame_unwind *unwind;
/* Cached copy of the previous frame's resume address. */
struct {
int p;
CORE_ADDR value;
} prev_pc;
/* Cached copy of the previous frame's function address. */
struct
{
CORE_ADDR addr;
int p;
} prev_func;
/* This frame's ID. */
struct
{
int p;
struct frame_id value;
} this_id;
/* The frame's high-level base methods, and corresponding cache.
The high level base methods are selected based on the frame's
debug info. */
const struct frame_base *base;
void *base_cache;
/* Pointers to the next (down, inner, younger) and previous (up,
outer, older) frame_info's in the frame cache. */
struct frame_info *next; /* down, inner, younger */
int prev_p;
struct frame_info *prev; /* up, outer, older */
};
/* Flag to control debugging. */
static int frame_debug;

92
gdb/frame.h
View file

@ -334,98 +334,6 @@ extern CORE_ADDR frame_pc_unwind (struct frame_info *frame);
of the caller. */
extern void frame_pop (struct frame_info *frame);
/* We keep a cache of stack frames, each of which is a "struct
frame_info". The innermost one gets allocated (in
wait_for_inferior) each time the inferior stops; current_frame
points to it. Additional frames get allocated (in
get_prev_frame) as needed, and are chained through the next
and prev fields. Any time that the frame cache becomes invalid
(most notably when we execute something, but also if we change how
we interpret the frames (e.g. "set heuristic-fence-post" in
mips-tdep.c, or anything which reads new symbols)), we should call
reinit_frame_cache. */
struct frame_info
{
/* Level of this frame. The inner-most (youngest) frame is at
level 0. As you move towards the outer-most (oldest) frame,
the level increases. This is a cached value. It could just as
easily be computed by counting back from the selected frame to
the inner most frame. */
/* NOTE: cagney/2002-04-05: Perhaphs a level of ``-1'' should be
reserved to indicate a bogus frame - one that has been created
just to keep GDB happy (GDB always needs a frame). For the
moment leave this as speculation. */
int level;
/* The frame's type. */
/* FIXME: cagney/2003-04-02: Should instead be returning
->unwind->type. Unfortunatly, legacy code is still explicitly
setting the type using the method deprecated_set_frame_type.
Eliminate that method and this field can be eliminated. */
enum frame_type type;
/* For each register, address of where it was saved on entry to
the frame, or zero if it was not saved on entry to this frame.
This includes special registers such as pc and fp saved in
special ways in the stack frame. The SP_REGNUM is even more
special, the address here is the sp for the previous frame, not
the address where the sp was saved. */
/* Allocated by frame_saved_regs_zalloc () which is called /
initialized by DEPRECATED_FRAME_INIT_SAVED_REGS(). */
CORE_ADDR *saved_regs; /*NUM_REGS + NUM_PSEUDO_REGS*/
/* Anything extra for this structure that may have been defined
in the machine dependent files. */
/* Allocated by frame_extra_info_zalloc () which is called /
initialized by DEPRECATED_INIT_EXTRA_FRAME_INFO */
struct frame_extra_info *extra_info;
/* If dwarf2 unwind frame informations is used, this structure holds all
related unwind data. */
struct context *context;
/* The frame's low-level unwinder and corresponding cache. The
low-level unwinder is responsible for unwinding register values
for the previous frame. The low-level unwind methods are
selected based on the presence, or otherwize, of register
unwind information such as CFI. */
void *prologue_cache;
const struct frame_unwind *unwind;
/* Cached copy of the previous frame's resume address. */
struct {
int p;
CORE_ADDR value;
} prev_pc;
/* Cached copy of the previous frame's function address. */
struct
{
CORE_ADDR addr;
int p;
} prev_func;
/* This frame's ID. */
struct
{
int p;
struct frame_id value;
} this_id;
/* The frame's high-level base methods, and corresponding cache.
The high level base methods are selected based on the frame's
debug info. */
const struct frame_base *base;
void *base_cache;
/* Pointers to the next (down, inner, younger) and previous (up,
outer, older) frame_info's in the frame cache. */
struct frame_info *next; /* down, inner, younger */
int prev_p;
struct frame_info *prev; /* up, outer, older */
};
/* Values for the source flag to be used in print_frame_info_base(). */
enum print_what
{