OpenE2K
/
binutils-gdb
12
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

2005-01-26 Orjan Friberg <orjanf@axis.com> 

* cris-tdep.c (enum cris_num_regs, enum cris_regnums)
	(cris_sigtramp_frame_unwind_cache, cris_register_size): Update for
	CRISv32.
	(crisv32_single_step_through_delay, cris_can_use_hardware_watchpoint)
	(cris_region_ok_for_watchpoint, cris_stopped_data_address)
	(crisv32_cannot_fetch_register, crisv32_cannot_store_register)
	(crisv32_register_type, cris_special_register_name)
	(crisv32_register_name): New functions.
	(cris_spec_reg_applicable): Recognize more versions.
	(cris_register_name): Update with call to cris_special_register_name.
	(find_cris_op): Filter out CRISv32 instructions.  Tweaked comment and
	warning when unable to find step target.
	(CRISV10_ELF_NGREG, CRISV32_ELF_NGREG, crisv32_elf_gregset_t): Define.
	(supply_gregset): Add struct gdbarch_tdep.  Set pseudo-PC register for
	CRISv32.
	(fetch_core_registers): Update for CRISv32.
	(cris_gdbarch_init): Set pc_regnum, register_type, num_regs,
	register_name, cannot_store_register, cannot_fetch_register,
	have_nonsteppable_watchpoint, single_step_through_delay for CRISv32.
This commit is contained in:
Orjan Friberg 2005-01-26 12:32:39 +00:00
parent a7479e7ea1
commit c600d464c0
2 changed files with 401 additions and 65 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
gdb/ChangeLog
View File

@ -1,3 +1,25 @@
2005-01-26 Orjan Friberg <orjanf@axis.com>
* cris-tdep.c (enum cris_num_regs, enum cris_regnums)
(cris_sigtramp_frame_unwind_cache, cris_register_size): Update for
CRISv32.
(crisv32_single_step_through_delay, cris_can_use_hardware_watchpoint)
(cris_region_ok_for_watchpoint, cris_stopped_data_address)
(crisv32_cannot_fetch_register, crisv32_cannot_store_register)
(crisv32_register_type, cris_special_register_name)
(crisv32_register_name): New functions.
(cris_spec_reg_applicable): Recognize more versions.
(cris_register_name): Update with call to cris_special_register_name.
(find_cris_op): Filter out CRISv32 instructions. Tweaked comment and
warning when unable to find step target.
(CRISV10_ELF_NGREG, CRISV32_ELF_NGREG, crisv32_elf_gregset_t): Define.
(supply_gregset): Add struct gdbarch_tdep. Set pseudo-PC register for
CRISv32.
(fetch_core_registers): Update for CRISv32.
(cris_gdbarch_init): Set pc_regnum, register_type, num_regs,
register_name, cannot_store_register, cannot_fetch_register,
have_nonsteppable_watchpoint, single_step_through_delay for CRISv32.
2005-01-26 Nick Roberts <nickrob@snap.net.nz>
* interps.c (interpreter_exec_cmd): Use condition,

444
gdb/cris-tdep.c
View File

@ -56,7 +56,12 @@ enum cris_num_regs
NUM_GENREGS = 16,
/* There are 16 special registers. */
NUM_SPECREGS = 16
NUM_SPECREGS = 16,
/* CRISv32 has a pseudo PC register, not noted here. */
/* CRISv32 has 16 support registers. */
NUM_SUPPREGS = 16
};
/* Register numbers of various important registers.
@ -75,8 +80,9 @@ enum cris_num_regs
enum cris_regnums
{
/* Enums with respect to the general registers, valid for all
CRIS versions. */
CRIS versions. The frame pointer is always in R8. */
CRIS_FP_REGNUM = 8,
/* ABI related registers. */
STR_REGNUM = 9,
RET_REGNUM = 10,
ARG1_REGNUM = 10,
@ -84,23 +90,56 @@ enum cris_regnums
ARG3_REGNUM = 12,
ARG4_REGNUM = 13,
/* Enums with respect to the special registers, some of which may not be
applicable to all CRIS versions. */
P0_REGNUM = 16,
/* Registers which happen to be common. */
VR_REGNUM = 17,
P2_REGNUM = 18,
P3_REGNUM = 19,
MOF_REGNUM = 23,
SRP_REGNUM = 27,
/* CRISv10 et. al. specific registers. */
P0_REGNUM = 16,
P4_REGNUM = 20,
CCR_REGNUM = 21,
MOF_REGNUM = 23,
P8_REGNUM = 24,
IBR_REGNUM = 25,
IRP_REGNUM = 26,
SRP_REGNUM = 27,
BAR_REGNUM = 28,
DCCR_REGNUM = 29,
BRP_REGNUM = 30,
USP_REGNUM = 31
USP_REGNUM = 31,
/* CRISv32 specific registers. */
ACR_REGNUM = 15,
BZ_REGNUM = 16,
PID_REGNUM = 18,
SRS_REGNUM = 19,
WZ_REGNUM = 20,
EXS_REGNUM = 21,
EDA_REGNUM = 22,
DZ_REGNUM = 24,
EBP_REGNUM = 25,
ERP_REGNUM = 26,
NRP_REGNUM = 28,
CCS_REGNUM = 29,
CRISV32USP_REGNUM = 30, /* Shares name but not number with CRISv10. */
SPC_REGNUM = 31,
CRISV32PC_REGNUM = 32, /* Shares name but not number with CRISv10. */
S0_REGNUM = 33,
S1_REGNUM = 34,
S2_REGNUM = 35,
S3_REGNUM = 36,
S4_REGNUM = 37,
S5_REGNUM = 38,
S6_REGNUM = 39,
S7_REGNUM = 40,
S8_REGNUM = 41,
S9_REGNUM = 42,
S10_REGNUM = 43,
S11_REGNUM = 44,
S12_REGNUM = 45,
S13_REGNUM = 46,
S14_REGNUM = 47,
S15_REGNUM = 48,
};
extern const struct cris_spec_reg cris_spec_regs[];
@ -311,20 +350,52 @@ cris_sigtramp_frame_unwind_cache (struct frame_info *next_frame,
unsigned long usp;
}; */
/* R0 to R13 are stored in reverse order at offset (2 * 4) in
struct pt_regs. */
for (i = 0; i <= 13; i++)
info->saved_regs[i].addr = addr + ((15 - i) * 4);
if (tdep->cris_version == 10)
{
/* R0 to R13 are stored in reverse order at offset (2 * 4) in
struct pt_regs. */
for (i = 0; i <= 13; i++)
info->saved_regs[i].addr = addr + ((15 - i) * 4);
info->saved_regs[MOF_REGNUM].addr = addr + (16 * 4);
info->saved_regs[DCCR_REGNUM].addr = addr + (17 * 4);
info->saved_regs[SRP_REGNUM].addr = addr + (18 * 4);
/* Note: IRP is off by 2 at this point. There's no point in correcting it
though since that will mean that the backtrace will show a PC different
from what is shown when stopped. */
info->saved_regs[IRP_REGNUM].addr = addr + (19 * 4);
info->saved_regs[PC_REGNUM] = info->saved_regs[IRP_REGNUM];
info->saved_regs[SP_REGNUM].addr = addr + (24 * 4);
info->saved_regs[MOF_REGNUM].addr = addr + (16 * 4);
info->saved_regs[DCCR_REGNUM].addr = addr + (17 * 4);
info->saved_regs[SRP_REGNUM].addr = addr + (18 * 4);
/* Note: IRP is off by 2 at this point. There's no point in correcting
it though since that will mean that the backtrace will show a PC
different from what is shown when stopped. */
info->saved_regs[IRP_REGNUM].addr = addr + (19 * 4);
info->saved_regs[PC_REGNUM] = info->saved_regs[IRP_REGNUM];
info->saved_regs[SP_REGNUM].addr = addr + (24 * 4);
}
else
{
/* CRISv32. */
/* R0 to R13 are stored in order at offset (1 * 4) in
struct pt_regs. */
for (i = 0; i <= 13; i++)
info->saved_regs[i].addr = addr + ((i + 1) * 4);
info->saved_regs[ACR_REGNUM].addr = addr + (15 * 4);
info->saved_regs[SRS_REGNUM].addr = addr + (16 * 4);
info->saved_regs[MOF_REGNUM].addr = addr + (17 * 4);
info->saved_regs[SPC_REGNUM].addr = addr + (18 * 4);
info->saved_regs[CCS_REGNUM].addr = addr + (19 * 4);
info->saved_regs[SRP_REGNUM].addr = addr + (20 * 4);
info->saved_regs[ERP_REGNUM].addr = addr + (21 * 4);
info->saved_regs[EXS_REGNUM].addr = addr + (22 * 4);
info->saved_regs[EDA_REGNUM].addr = addr + (23 * 4);
/* FIXME: If ERP is in a delay slot at this point then the PC will
be wrong at this point. This problem manifests itself in the
sigaltstack.exp test case, which occasionally generates FAILs when
the signal is received while in a delay slot.
This could be solved by a couple of read_memory_unsigned_integer and a
trad_frame_set_value. */
info->saved_regs[PC_REGNUM] = info->saved_regs[ERP_REGNUM];
info->saved_regs[SP_REGNUM].addr = addr + (25 * 4);
}
return info;
}
@ -375,7 +446,72 @@ cris_sigtramp_frame_sniffer (struct frame_info *next_frame)
return NULL;
}
int
crisv32_single_step_through_delay (struct gdbarch *gdbarch,
struct frame_info *this_frame)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
ULONGEST erp;
int ret = 0;
char buf[4];
frame_unwind_register (this_frame, ERP_REGNUM, buf);
erp = extract_unsigned_integer (buf, 4);
if (erp & 0x1)
{
/* In delay slot - check if there's a breakpoint at the preceding
instruction. */
if (breakpoint_here_p (erp & ~0x1))
ret = 1;
}
return ret;
}
/* Hardware watchpoint support. */
/* We support 6 hardware data watchpoints, but cannot trigger on execute
(any combination of read/write is fine). */
int
cris_can_use_hardware_watchpoint (int type, int count, int other)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
/* No bookkeeping is done here; it is handled by the remote debug agent. */
if (tdep->cris_version != 32)
return 0;
else
/* CRISv32: Six data watchpoints, one for instructions. */
return (((type == bp_read_watchpoint || type == bp_access_watchpoint
|| type == bp_hardware_watchpoint) && count <= 6)
|| (type == bp_hardware_breakpoint && count <= 1));
}
/* The CRISv32 hardware data watchpoints work by specifying ranges,
which have no alignment or length restrictions. */
int
cris_region_ok_for_watchpoint (CORE_ADDR addr, int len)
{
return 1;
}
/* If the inferior has some watchpoint that triggered, return the
address associated with that watchpoint. Otherwise, return
zero. */
CORE_ADDR
cris_stopped_data_address (void)
{
CORE_ADDR eda;
eda = read_register (EDA_REGNUM);
return eda;
}
/* The instruction environment needed to find single-step breakpoints. */
typedef
struct instruction_environment
{
@ -1286,8 +1422,18 @@ cris_spec_reg_applicable (struct cris_spec_reg spec_reg)
return (version == 8 || version == 9);
case cris_ver_v8p:
return (version >= 8);
case cris_ver_v0_10:
return (version >= 0 && version <= 10);
case cris_ver_v3_10:
return (version >= 3 && version <= 10);
case cris_ver_v8_10:
return (version >= 8 && version <= 10);
case cris_ver_v10:
return (version == 10);
case cris_ver_v10p:
return (version >= 10);
case cris_ver_v32p:
return (version >= 32);
default:
/* Invalid cris version. */
return 0;
@ -1300,6 +1446,7 @@ cris_spec_reg_applicable (struct cris_spec_reg spec_reg)
static int
cris_register_size (int regno)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
int i;
int spec_regno;
@ -1308,15 +1455,13 @@ cris_register_size (int regno)
/* General registers (R0 - R15) are 32 bits. */
return 4;
}
else if (regno >= NUM_GENREGS && regno < NUM_REGS)
else if (regno >= NUM_GENREGS && regno < (NUM_GENREGS + NUM_SPECREGS))
{
/* Special register (R16 - R31). cris_spec_regs is zero-based.
Adjust regno accordingly. */
spec_regno = regno - NUM_GENREGS;
/* The entries in cris_spec_regs are stored in register number order,
which means we can shortcut into the array when searching it. */
for (i = spec_regno; cris_spec_regs[i].name != NULL; i++)
for (i = 0; cris_spec_regs[i].name != NULL; i++)
{
if (cris_spec_regs[i].number == spec_regno
&& cris_spec_reg_applicable (cris_spec_regs[i]))
@ -1326,11 +1471,15 @@ cris_register_size (int regno)
/* Special register not applicable to this CRIS version. */
return 0;
}
else
else if (regno >= PC_REGNUM && regno < NUM_REGS)
{
/* Invalid register. */
return -1;
/* This will apply to CRISv32 only where there are additional registers
after the special registers (pseudo PC and support registers). */
return 4;
}
return -1;
}
/* Nonzero if regno should not be fetched from the target. This is the case
@ -1373,6 +1522,46 @@ cris_cannot_store_register (int regno)
return 0;
}
/* Nonzero if regno should not be fetched from the target. This is the case
for unimplemented (size 0) and non-existant registers. */
static int
crisv32_cannot_fetch_register (int regno)
{
return ((regno < 0 || regno >= NUM_REGS)
|| (cris_register_size (regno) == 0));
}
/* Nonzero if regno should not be written to the target, for various
reasons. */
static int
crisv32_cannot_store_register (int regno)
{
/* There are three kinds of registers we refuse to write to.
1. Those that not implemented.
2. Those that are read-only (depends on the processor mode).
3. Those registers to which a write has no effect.
*/
if (regno < 0 || regno >= NUM_REGS || cris_register_size (regno) == 0)
/* Not implemented. */
return 1;
else if (regno == VR_REGNUM)
/* Read-only. */
return 1;
else if (regno == BZ_REGNUM || regno == WZ_REGNUM || regno == DZ_REGNUM)
/* Writing has no effect. */
return 1;
/* Many special registers are read-only in user mode. Let the debug
agent decide whether they are writable. */
return 0;
}
/* Return the GDB type (defined in gdbtypes.c) for the "standard" data type
of data in register regno. */
@ -1396,6 +1585,32 @@ cris_register_type (struct gdbarch *gdbarch, int regno)
return builtin_type_int0;
}
static struct type *
crisv32_register_type (struct gdbarch *gdbarch, int regno)
{
if (regno == PC_REGNUM)
return builtin_type_void_func_ptr;
else if (regno == SP_REGNUM || regno == CRIS_FP_REGNUM)
return builtin_type_void_data_ptr;
else if ((regno >= 0 && regno <= ACR_REGNUM)
|| (regno >= EXS_REGNUM && regno <= SPC_REGNUM)
|| (regno == PID_REGNUM)
|| (regno >= S0_REGNUM && regno <= S15_REGNUM))
/* Note: R8 and SP taken care of by previous clause. */
return builtin_type_uint32;
else if (regno == WZ_REGNUM)
return builtin_type_uint16;
else if (regno == BZ_REGNUM || regno == VR_REGNUM || regno == SRS_REGNUM)
return builtin_type_uint8;
else
{
/* Invalid (unimplemented) register. Should not happen as there are
no unimplemented CRISv32 registers. */
warning ("crisv32_register_type: unknown regno %d", regno);
return builtin_type_int0;
}
}
/* Stores a function return value of type type, where valbuf is the address
of the value to be stored. */
@ -1429,6 +1644,29 @@ cris_store_return_value (struct type *type, struct regcache *regcache,
/* Return the name of register regno as a string. Return NULL for an invalid or
unimplemented register. */
static const char *
cris_special_register_name (int regno)
{
int spec_regno;
int i;
/* Special register (R16 - R31). cris_spec_regs is zero-based.
Adjust regno accordingly. */
spec_regno = regno - NUM_GENREGS;
/* Assume nothing about the layout of the cris_spec_regs struct
when searching. */
for (i = 0; cris_spec_regs[i].name != NULL; i++)
{
if (cris_spec_regs[i].number == spec_regno
&& cris_spec_reg_applicable (cris_spec_regs[i]))
/* Go with the first applicable register. */
return cris_spec_regs[i].name;
}
/* Special register not applicable to this CRIS version. */
return NULL;
}
static const char *
cris_register_name (int regno)
{
@ -1438,9 +1676,6 @@ cris_register_name (int regno)
"r8", "r9", "r10", "r11", \
"r12", "r13", "sp", "pc" };
int i;
int spec_regno;
if (regno >= 0 && regno < NUM_GENREGS)
{
/* General register. */
@ -1448,22 +1683,49 @@ cris_register_name (int regno)
}
else if (regno >= NUM_GENREGS && regno < NUM_REGS)
{
/* Special register (R16 - R31). cris_spec_regs is zero-based.
Adjust regno accordingly. */
spec_regno = regno - NUM_GENREGS;
/* The entries in cris_spec_regs are stored in register number order,
which means we can shortcut into the array when searching it. */
for (i = spec_regno; cris_spec_regs[i].name != NULL; i++)
{
if (cris_spec_regs[i].number == spec_regno
&& cris_spec_reg_applicable (cris_spec_regs[i]))
/* Go with the first applicable register. */
return cris_spec_regs[i].name;
}
/* Special register not applicable to this CRIS version. */
return cris_special_register_name (regno);
}
else
{
/* Invalid register. */
return NULL;
}
}
static const char *
crisv32_register_name (int regno)
{
static char *crisv32_genreg_names[] =
{ "r0", "r1", "r2", "r3", \
"r4", "r5", "r6", "r7", \
"r8", "r9", "r10", "r11", \
"r12", "r13", "sp", "acr"
};
static char *crisv32_sreg_names[] =
{ "s0", "s1", "s2", "s3", \
"s4", "s5", "s6", "s7", \
"s8", "s9", "s10", "s11", \
"s12", "s13", "s14", "s15"
};
if (regno >= 0 && regno < NUM_GENREGS)
{
/* General register. */
return crisv32_genreg_names[regno];
}
else if (regno >= NUM_GENREGS && regno < (NUM_GENREGS + NUM_SPECREGS))
{
return cris_special_register_name (regno);
}
else if (regno == PC_REGNUM)
{
return "pc";
}
else if (regno >= S0_REGNUM && regno <= S15_REGNUM)
{
return crisv32_sreg_names[regno - S0_REGNUM];
}
else
{
/* Invalid register. */
@ -1685,7 +1947,9 @@ find_cris_op (unsigned short insn, inst_env_type *inst_env)
for (i = 0; cris_opcodes[i].name != NULL; i++)
{
if (((cris_opcodes[i].match & insn) == cris_opcodes[i].match)
&& ((cris_opcodes[i].lose & insn) == 0))
&& ((cris_opcodes[i].lose & insn) == 0)
/* Only CRISv10 instructions, please. */
&& (cris_opcodes[i].applicable_version != cris_ver_v32p))
{
level_of_match = constraint (insn, cris_opcodes[i].args, inst_env);
if (level_of_match >= 0)
@ -1788,8 +2052,9 @@ cris_software_single_step (enum target_signal ignore, int insert_breakpoints)
int status = find_step_target (&inst_env);
if (status == -1)
{
/* Could not find a target. FIXME: Should do something. */
warning ("cris_software_single_step: unable to find step target");
/* Could not find a target. Things are likely to go downhill
from here. */
warning ("CRIS software single step could not find a step target.");
}
else
{
@ -3515,13 +3780,18 @@ cris_delayed_get_disassembler (bfd_vma addr, struct disassemble_info *info)
typedef unsigned long elf_greg_t;
/* Same as user_regs_struct struct in <asm/user.h>. */
typedef elf_greg_t elf_gregset_t[35];
#define CRISV10_ELF_NGREG 35
typedef elf_greg_t elf_gregset_t[CRISV10_ELF_NGREG];
#define CRISV32_ELF_NGREG 32
typedef elf_greg_t crisv32_elf_gregset_t[CRISV32_ELF_NGREG];
/* Unpack an elf_gregset_t into GDB's register cache. */
static void
supply_gregset (elf_gregset_t *gregsetp)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
int i;
elf_greg_t *regp = *gregsetp;
static char zerobuf[4] = {0};
@ -3532,6 +3802,18 @@ supply_gregset (elf_gregset_t *gregsetp)
{
regcache_raw_supply (current_regcache, i, (char *)&regp[i]);
}
if (tdep->cris_version == 32)
{
/* Needed to set pseudo-register PC for CRISv32. */
/* FIXME: If ERP is in a delay slot at this point then the PC will
be wrong. Issue a warning to alert the user. */
regcache_raw_supply (current_regcache, PC_REGNUM,
(char *)&regp[ERP_REGNUM]);
if (*(char *)&regp[ERP_REGNUM] & 0x1)
fprintf_unfiltered (gdb_stderr, "Warning: PC in delay slot\n");
}
}
/* Use a local version of this function to get the correct types for
@ -3546,7 +3828,8 @@ fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
switch (which)
{
case 0:
if (core_reg_size != sizeof (gregset))
if (core_reg_size != sizeof (elf_gregset_t)
&& core_reg_size != sizeof (crisv32_elf_gregset_t))
{
warning ("wrong size gregset struct in core file");
}
@ -3706,6 +3989,10 @@ cris_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
/* Trust the user's CRIS version setting. */
cris_version = usr_cmd_cris_version;
}
else if (info.abfd && bfd_get_mach (info.abfd) == bfd_mach_cris_v32)
{
cris_version = 32;
}
else
{
/* Assume it's CRIS version 10. */
@ -3755,18 +4042,16 @@ cris_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
cris_reg_struct_has_addr);
set_gdbarch_deprecated_use_struct_convention (gdbarch, always_use_struct_convention);
/* There are 32 registers (some of which may not be implemented). */
set_gdbarch_num_regs (gdbarch, 32);
set_gdbarch_sp_regnum (gdbarch, 14);
set_gdbarch_pc_regnum (gdbarch, 15);
set_gdbarch_register_name (gdbarch, cris_register_name);
/* Length of ordinary registers used in push_word and a few other
places. register_size() is the real way to know how big a
register is. */
set_gdbarch_double_bit (gdbarch, 64);
/* The default definition of a long double is 2 * TARGET_DOUBLE_BIT,
which means we have to set this explicitly. */
set_gdbarch_long_double_bit (gdbarch, 64);
set_gdbarch_cannot_store_register (gdbarch, cris_cannot_store_register);
set_gdbarch_cannot_fetch_register (gdbarch, cris_cannot_fetch_register);
set_gdbarch_long_double_bit (gdbarch, 64);
/* The total amount of space needed to store (in an array called registers)
GDB's copy of the machine's register state. Note: We can not use
@ -3789,20 +4074,49 @@ cris_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
case 11:
/* CRIS v10 and v11, a.k.a. ETRAX 100LX. In addition to ETRAX 100,
P7 (32 bits), and P15 (32 bits) have been implemented. */
set_gdbarch_pc_regnum (gdbarch, 15);
set_gdbarch_register_type (gdbarch, cris_register_type);
/* There are 32 registers (some of which may not be implemented). */
set_gdbarch_num_regs (gdbarch, 32);
set_gdbarch_register_name (gdbarch, cris_register_name);
set_gdbarch_cannot_store_register (gdbarch, cris_cannot_store_register);
set_gdbarch_cannot_fetch_register (gdbarch, cris_cannot_fetch_register);
set_gdbarch_software_single_step (gdbarch, cris_software_single_step);
break;
case 32:
/* CRIS v32. General registers R0 - R15 (32 bits), special registers
P0 - P15 (32 bits) except P0, P1, P3 (8 bits) and P4 (16 bits)
and pseudo-register PC (32 bits). */
set_gdbarch_pc_regnum (gdbarch, 32);
set_gdbarch_register_type (gdbarch, crisv32_register_type);
/* 32 registers + pseudo-register PC + 16 support registers. */
set_gdbarch_num_regs (gdbarch, 32 + 1 + 16);
set_gdbarch_register_name (gdbarch, crisv32_register_name);
set_gdbarch_cannot_store_register
(gdbarch, crisv32_cannot_store_register);
set_gdbarch_cannot_fetch_register
(gdbarch, crisv32_cannot_fetch_register);
set_gdbarch_have_nonsteppable_watchpoint (gdbarch, 1);
set_gdbarch_single_step_through_delay
(gdbarch, crisv32_single_step_through_delay);
break;
default:
internal_error (__FILE__, __LINE__, "cris_gdbarch_init: unknown CRIS version");
internal_error (__FILE__, __LINE__,
"cris_gdbarch_init: unknown CRIS version");
}
set_gdbarch_register_type (gdbarch, cris_register_type);
/* Dummy frame functions. */
/* Dummy frame functions (shared between CRISv10 and CRISv32 since they
have the same ABI). */
set_gdbarch_push_dummy_code (gdbarch, cris_push_dummy_code);
set_gdbarch_push_dummy_call (gdbarch, cris_push_dummy_call);
set_gdbarch_frame_align (gdbarch, cris_frame_align);
set_gdbarch_software_single_step (gdbarch, cris_software_single_step);
set_gdbarch_skip_prologue (gdbarch, cris_skip_prologue);
/* The stack grows downward. */