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2007-08-08 Maxim Grigoriev <maxim2405@gmail.com> 

* xtensa-tdep.h (XTENSA_MAX_COPROCESSOR): New.
	(xtensa_register_group_t): Add entries for coprocessors.
	* xtensa-tdep.c (xtensa_init_reggroups): New register groups.
	(xtensa_add_reggroups): Likewise.
	(xtensa_register_reggroup_p): Likewise.
	(xtensa_coprocessor_register_group): New function.
	(xtensa_cp): New.
This commit is contained in:
Maxim Grigoriev 2007-08-08 23:22:18 +00:00
parent 652aaa2406
commit 7b8715682a
3 changed files with 59 additions and 7 deletions
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10
gdb/ChangeLog
View File

@ -1,3 +1,13 @@
2007-08-08 Maxim Grigoriev <maxim2405@gmail.com>
* xtensa-tdep.h (XTENSA_MAX_COPROCESSOR): New.
(xtensa_register_group_t): Add entries for coprocessors.
* xtensa-tdep.c (xtensa_init_reggroups): New register groups.
(xtensa_add_reggroups): Likewise.
(xtensa_register_reggroup_p): Likewise.
(xtensa_coprocessor_register_group): New function.
(xtensa_cp): New.
2007-08-08 Jan Kratochvil <jan.kratochvil@redhat.com>
* serial.c (serial_open): Fix the OPEN parameter macro expansion.

44
gdb/xtensa-tdep.c
View File

@ -658,6 +658,7 @@ xtensa_pseudo_register_write (struct gdbarch *gdbarch,
static struct reggroup *xtensa_ar_reggroup;
static struct reggroup *xtensa_user_reggroup;
static struct reggroup *xtensa_vectra_reggroup;
static struct reggroup *xtensa_cp[XTENSA_MAX_COPROCESSOR];
static void
xtensa_init_reggroups (void)
@ -665,25 +666,51 @@ xtensa_init_reggroups (void)
xtensa_ar_reggroup = reggroup_new ("ar", USER_REGGROUP);
xtensa_user_reggroup = reggroup_new ("user", USER_REGGROUP);
xtensa_vectra_reggroup = reggroup_new ("vectra", USER_REGGROUP);
}
xtensa_cp[0] = reggroup_new ("cp0", USER_REGGROUP);
xtensa_cp[1] = reggroup_new ("cp1", USER_REGGROUP);
xtensa_cp[2] = reggroup_new ("cp2", USER_REGGROUP);
xtensa_cp[3] = reggroup_new ("cp3", USER_REGGROUP);
xtensa_cp[4] = reggroup_new ("cp4", USER_REGGROUP);
xtensa_cp[5] = reggroup_new ("cp5", USER_REGGROUP);
xtensa_cp[6] = reggroup_new ("cp6", USER_REGGROUP);
xtensa_cp[7] = reggroup_new ("cp7", USER_REGGROUP);
}
static void
xtensa_add_reggroups (struct gdbarch *gdbarch)
{
int i;
/* Predefined groups. */
reggroup_add (gdbarch, all_reggroup);
reggroup_add (gdbarch, save_reggroup);
reggroup_add (gdbarch, restore_reggroup);
reggroup_add (gdbarch, system_reggroup);
reggroup_add (gdbarch, vector_reggroup); /* vectra */
reggroup_add (gdbarch, general_reggroup); /* core */
reggroup_add (gdbarch, float_reggroup); /* float */
reggroup_add (gdbarch, vector_reggroup);
reggroup_add (gdbarch, general_reggroup);
reggroup_add (gdbarch, float_reggroup);
reggroup_add (gdbarch, xtensa_ar_reggroup); /* ar */
reggroup_add (gdbarch, xtensa_user_reggroup); /* user */
reggroup_add (gdbarch, xtensa_vectra_reggroup); /* vectra */
/* Xtensa-specific groups. */
reggroup_add (gdbarch, xtensa_ar_reggroup);
reggroup_add (gdbarch, xtensa_user_reggroup);
reggroup_add (gdbarch, xtensa_vectra_reggroup);
for (i = 0; i < XTENSA_MAX_COPROCESSOR; i++)
reggroup_add (gdbarch, xtensa_cp[i]);
}
static int
xtensa_coprocessor_register_group (struct reggroup *group)
{
int i;
for (i = 0; i < XTENSA_MAX_COPROCESSOR; i++)
if (group == xtensa_cp[i])
return i;
return -1;
}
#define SAVE_REST_FLAGS (XTENSA_REGISTER_FLAGS_READABLE \
| XTENSA_REGISTER_FLAGS_WRITABLE \
@ -700,6 +727,7 @@ xtensa_register_reggroup_p (struct gdbarch *gdbarch,
xtensa_register_t* reg = &REGMAP[regnum];
xtensa_register_type_t type = reg->type;
xtensa_register_group_t rg = reg->group;
int cp_number;
/* First, skip registers that are not visible to this target
(unknown and unmapped registers when not using ISS). */
@ -725,6 +753,8 @@ xtensa_register_reggroup_p (struct gdbarch *gdbarch,
if (group == save_reggroup || group == restore_reggroup)
return (regnum < gdbarch_num_regs (current_gdbarch)
&& (reg->flags & SAVE_REST_FLAGS) == SAVE_REST_VALID);
if ((cp_number = xtensa_coprocessor_register_group (group)) >= 0)
return rg & (xtRegisterGroupCP0 << cp_number);
else
return 1;
}

12
gdb/xtensa-tdep.h
View File

@ -44,6 +44,8 @@ typedef enum
/* Xtensa register group. */
#define XTENSA_MAX_COPROCESSOR 0x08 /* Number of Xtensa coprocessors. */
typedef enum
{
xtRegisterGroupUnknown = 0,
@ -58,6 +60,16 @@ typedef enum
xtRegisterGroupFloat = 0x0400, /* Floating Point. */
xtRegisterGroupVectra = 0x0800, /* Vectra. */
xtRegisterGroupSystem = 0x1000, /* System. */
xtRegisterGroupCP0 = 0x01000000, /* CP0. */
xtRegisterGroupCP1 = 0x02000000, /* CP1. */
xtRegisterGroupCP2 = 0x04000000, /* CP2. */
xtRegisterGroupCP3 = 0x08000000, /* CP3. */
xtRegisterGroupCP4 = 0x10000000, /* CP4. */
xtRegisterGroupCP5 = 0x20000000, /* CP5. */
xtRegisterGroupCP6 = 0x40000000, /* CP6. */
xtRegisterGroupCP7 = 0x80000000, /* CP7. */
} xtensa_register_group_t;