darkkirb/old-cross-binutils
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

* gdbarch.sh (struct gdbarch_data): Add field init_p.

Browse source 
(register_gdbarch_data): Initialize init_p.
(gdbarch_data): Initialize data pointer using the init function.
(init_gdbarch_data): Delete function.
(gdbarch_update_p): Update.
(initialize_non_multiarch): Update.
(struct gdbarch): Add field initialized_p.
* gdbarch.h, gdbarch.c: Re-generate.
This commit is contained in:
Andrew Cagney 2002-06-08 18:09:01 +00:00
parent 3010767930
commit 76860b5fb3
4 changed files with 81 additions and 80 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
gdb/ChangeLog
View file

@ -1,3 +1,14 @@
2002-06-08 Andrew Cagney <ac131313@redhat.com>
* gdbarch.sh (struct gdbarch_data): Add field init_p.
(register_gdbarch_data): Initialize init_p.
(gdbarch_data): Initialize data pointer using the init function.
(init_gdbarch_data): Delete function.
(gdbarch_update_p): Update.
(initialize_non_multiarch): Update.
(struct gdbarch): Add field initialized_p.
* gdbarch.h, gdbarch.c: Re-generate.
2002-06-07 Michal Ludvig <mludvig@suse.cz>
* x86-64-linux-nat.c (x86_64_fxsave_offset): New.

58
gdb/gdbarch.c
View file

@ -68,7 +68,6 @@
static void verify_gdbarch (struct gdbarch *gdbarch);
static void alloc_gdbarch_data (struct gdbarch *);
static void init_gdbarch_data (struct gdbarch *);
static void free_gdbarch_data (struct gdbarch *);
static void init_gdbarch_swap (struct gdbarch *);
static void clear_gdbarch_swap (struct gdbarch *);
@ -87,6 +86,8 @@ int gdbarch_debug = GDBARCH_DEBUG;
struct gdbarch
{
/* Has this architecture been fully initialized? */
int initialized_p;
/* basic architectural information */
const struct bfd_arch_info * bfd_arch_info;
int byte_order;
@ -269,6 +270,7 @@ extern const struct bfd_arch_info bfd_default_arch_struct;
struct gdbarch startup_gdbarch =
{
1, /* Always initialized. */
/* basic architecture information */
&bfd_default_arch_struct,
BFD_ENDIAN_BIG,
@ -423,7 +425,6 @@ initialize_non_multiarch ()
they are starting from scratch. */
clear_gdbarch_swap (&startup_gdbarch);
init_gdbarch_swap (&startup_gdbarch);
init_gdbarch_data (&startup_gdbarch);
}
@ -4771,6 +4772,7 @@ set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch,
struct gdbarch_data
{
unsigned index;
int init_p;
gdbarch_data_init_ftype *init;
gdbarch_data_free_ftype *free;
};
@ -4797,6 +4799,7 @@ register_gdbarch_data (gdbarch_data_init_ftype *init,
gdbarch_data_free_ftype *free)
{
struct gdbarch_data_registration **curr;
/* Append the new registraration. */
for (curr = &gdbarch_data_registry.registrations;
(*curr) != NULL;
curr = &(*curr)->next);
@ -4805,31 +4808,12 @@ register_gdbarch_data (gdbarch_data_init_ftype *init,
(*curr)->data = XMALLOC (struct gdbarch_data);
(*curr)->data->index = gdbarch_data_registry.nr++;
(*curr)->data->init = init;
(*curr)->data->init_p = 1;
(*curr)->data->free = free;
return (*curr)->data;
}
/* Walk through all the registered users initializing each in turn. */
static void
init_gdbarch_data (struct gdbarch *gdbarch)
{
struct gdbarch_data_registration *rego;
for (rego = gdbarch_data_registry.registrations;
rego != NULL;
rego = rego->next)
{
struct gdbarch_data *data = rego->data;
gdb_assert (data->index < gdbarch->nr_data);
if (data->init != NULL)
{
void *pointer = data->init (gdbarch);
set_gdbarch_data (gdbarch, data, pointer);
}
}
}
/* Create/delete the gdbarch data vector. */
static void
@ -4862,7 +4846,7 @@ free_gdbarch_data (struct gdbarch *gdbarch)
}
/* Initialize the current value of thee specified per-architecture
/* Initialize the current value of the specified per-architecture
data-pointer. */
void
@ -4871,8 +4855,11 @@ set_gdbarch_data (struct gdbarch *gdbarch,
void *pointer)
{
gdb_assert (data->index < gdbarch->nr_data);
if (data->free != NULL && gdbarch->data[data->index] != NULL)
data->free (gdbarch, gdbarch->data[data->index]);
if (gdbarch->data[data->index] != NULL)
{
gdb_assert (data->free != NULL);
data->free (gdbarch, gdbarch->data[data->index]);
}
gdbarch->data[data->index] = pointer;
}
@ -4883,6 +4870,20 @@ void *
gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
{
gdb_assert (data->index < gdbarch->nr_data);
/* The data-pointer isn't initialized, call init() to get a value but
only if the architecture initializaiton has completed. Otherwise
punt - hope that the caller knows what they are doing. */
if (gdbarch->data[data->index] == NULL
&& gdbarch->initialized_p)
{
/* Be careful to detect an initialization cycle. */
gdb_assert (data->init_p);
data->init_p = 0;
gdb_assert (data->init != NULL);
gdbarch->data[data->index] = data->init (gdbarch);
data->init_p = 1;
gdb_assert (gdbarch->data[data->index] != NULL);
}
return gdbarch->data[data->index];
}
@ -5276,8 +5277,9 @@ gdbarch_update_p (struct gdbarch_info info)
rego->arches = this;
}
/* Switch to this new architecture. Dump it out. */
/* Switch to this new architecture marking it initialized. */
current_gdbarch = new_gdbarch;
current_gdbarch->initialized_p = 1;
if (gdbarch_debug)
{
fprintf_unfiltered (gdb_stdlog,
@ -5296,10 +5298,8 @@ gdbarch_update_p (struct gdbarch_info info)
called. */
init_gdbarch_swap (new_gdbarch);
/* Initialize the per-architecture data-pointer of all parties that
registered an interest in this architecture. CURRENT_GDBARCH
/* Initialize the per-architecture data. CURRENT_GDBARCH
must be updated before these modules are called. */
init_gdbarch_data (new_gdbarch);
architecture_changed_event ();
if (gdbarch_debug)

17
gdb/gdbarch.h
View file

@ -2591,20 +2591,15 @@ extern int gdbarch_update_p (struct gdbarch_info info);
for the reserved data-pointer is returned. That identifer should
be saved in a local static variable.
The per-architecture data-pointer can be initialized in one of two
ways: The value can be set explicitly using a call to
set_gdbarch_data(); the value can be set implicitly using the value
returned by a non-NULL INIT() callback. INIT(), when non-NULL is
called after the basic architecture vector has been created.
The per-architecture data-pointer is either initialized explicitly
(set_gdbarch_data()) or implicitly (by INIT() via a call to
gdbarch_data()). FREE() is called to delete either an existing
data-poitner overridden by set_gdbarch_data() or when the
architecture object is being deleted.
When a previously created architecture is re-selected, the
per-architecture data-pointer for that previous architecture is
restored. INIT() is not called.
During initialization, multiple assignments of the data-pointer are
allowed, non-NULL values are deleted by calling FREE(). If the
architecture is deleted using gdbarch_free() all non-NULL data
pointers are also deleted using FREE().
restored. INIT() is not re-called.
Multiple registrarants for any architecture are allowed (and
strongly encouraged). */

75
gdb/gdbarch.sh
View file

@ -1082,20 +1082,15 @@ extern int gdbarch_update_p (struct gdbarch_info info);
for the reserved data-pointer is returned. That identifer should
be saved in a local static variable.
The per-architecture data-pointer can be initialized in one of two
ways: The value can be set explicitly using a call to
set_gdbarch_data(); the value can be set implicitly using the value
returned by a non-NULL INIT() callback. INIT(), when non-NULL is
called after the basic architecture vector has been created.
The per-architecture data-pointer is either initialized explicitly
(set_gdbarch_data()) or implicitly (by INIT() via a call to
gdbarch_data()). FREE() is called to delete either an existing
data-poitner overridden by set_gdbarch_data() or when the
architecture object is being deleted.
When a previously created architecture is re-selected, the
per-architecture data-pointer for that previous architecture is
restored. INIT() is not called.
During initialization, multiple assignments of the data-pointer are
allowed, non-NULL values are deleted by calling FREE(). If the
architecture is deleted using gdbarch_free() all non-NULL data
pointers are also deleted using FREE().
restored. INIT() is not re-called.
Multiple registrarants for any architecture are allowed (and
strongly encouraged). */
@ -1249,7 +1244,6 @@ cat <<EOF
static void verify_gdbarch (struct gdbarch *gdbarch);
static void alloc_gdbarch_data (struct gdbarch *);
static void init_gdbarch_data (struct gdbarch *);
static void free_gdbarch_data (struct gdbarch *);
static void init_gdbarch_swap (struct gdbarch *);
static void clear_gdbarch_swap (struct gdbarch *);
@ -1271,6 +1265,8 @@ printf "/* Maintain the struct gdbarch object */\n"
printf "\n"
printf "struct gdbarch\n"
printf "{\n"
printf " /* Has this architecture been fully initialized? */\n"
printf " int initialized_p;\n"
printf " /* basic architectural information */\n"
function_list | while do_read
do
@ -1343,6 +1339,7 @@ printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
printf "\n"
printf "struct gdbarch startup_gdbarch =\n"
printf "{\n"
printf " 1, /* Always initialized. */\n"
printf " /* basic architecture information */\n"
function_list | while do_read
do
@ -1381,7 +1378,6 @@ initialize_non_multiarch ()
they are starting from scratch. */
clear_gdbarch_swap (&startup_gdbarch);
init_gdbarch_swap (&startup_gdbarch);
init_gdbarch_data (&startup_gdbarch);
}
EOF
@ -1747,6 +1743,7 @@ cat <<EOF
struct gdbarch_data
{
unsigned index;
int init_p;
gdbarch_data_init_ftype *init;
gdbarch_data_free_ftype *free;
};
@ -1773,6 +1770,7 @@ register_gdbarch_data (gdbarch_data_init_ftype *init,
gdbarch_data_free_ftype *free)
{
struct gdbarch_data_registration **curr;
/* Append the new registraration. */
for (curr = &gdbarch_data_registry.registrations;
(*curr) != NULL;
curr = &(*curr)->next);
@ -1781,31 +1779,12 @@ register_gdbarch_data (gdbarch_data_init_ftype *init,
(*curr)->data = XMALLOC (struct gdbarch_data);
(*curr)->data->index = gdbarch_data_registry.nr++;
(*curr)->data->init = init;
(*curr)->data->init_p = 1;
(*curr)->data->free = free;
return (*curr)->data;
}
/* Walk through all the registered users initializing each in turn. */
static void
init_gdbarch_data (struct gdbarch *gdbarch)
{
struct gdbarch_data_registration *rego;
for (rego = gdbarch_data_registry.registrations;
rego != NULL;
rego = rego->next)
{
struct gdbarch_data *data = rego->data;
gdb_assert (data->index < gdbarch->nr_data);
if (data->init != NULL)
{
void *pointer = data->init (gdbarch);
set_gdbarch_data (gdbarch, data, pointer);
}
}
}
/* Create/delete the gdbarch data vector. */
static void
@ -1838,7 +1817,7 @@ free_gdbarch_data (struct gdbarch *gdbarch)
}
/* Initialize the current value of thee specified per-architecture
/* Initialize the current value of the specified per-architecture
data-pointer. */
void
@ -1847,8 +1826,11 @@ set_gdbarch_data (struct gdbarch *gdbarch,
void *pointer)
{
gdb_assert (data->index < gdbarch->nr_data);
if (data->free != NULL && gdbarch->data[data->index] != NULL)
data->free (gdbarch, gdbarch->data[data->index]);
if (gdbarch->data[data->index] != NULL)
{
gdb_assert (data->free != NULL);
data->free (gdbarch, gdbarch->data[data->index]);
}
gdbarch->data[data->index] = pointer;
}
@ -1859,6 +1841,20 @@ void *
gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
{
gdb_assert (data->index < gdbarch->nr_data);
/* The data-pointer isn't initialized, call init() to get a value but
only if the architecture initializaiton has completed. Otherwise
punt - hope that the caller knows what they are doing. */
if (gdbarch->data[data->index] == NULL
&& gdbarch->initialized_p)
{
/* Be careful to detect an initialization cycle. */
gdb_assert (data->init_p);
data->init_p = 0;
gdb_assert (data->init != NULL);
gdbarch->data[data->index] = data->init (gdbarch);
data->init_p = 1;
gdb_assert (gdbarch->data[data->index] != NULL);
}
return gdbarch->data[data->index];
}
@ -2252,8 +2248,9 @@ gdbarch_update_p (struct gdbarch_info info)
rego->arches = this;
}
/* Switch to this new architecture. Dump it out. */
/* Switch to this new architecture marking it initialized. */
current_gdbarch = new_gdbarch;
current_gdbarch->initialized_p = 1;
if (gdbarch_debug)
{
fprintf_unfiltered (gdb_stdlog,
@ -2272,10 +2269,8 @@ gdbarch_update_p (struct gdbarch_info info)
called. */
init_gdbarch_swap (new_gdbarch);
/* Initialize the per-architecture data-pointer of all parties that
registered an interest in this architecture. CURRENT_GDBARCH
/* Initialize the per-architecture data. CURRENT_GDBARCH
must be updated before these modules are called. */
init_gdbarch_data (new_gdbarch);
architecture_changed_event ();
if (gdbarch_debug)