/* Target-dependent code for Renesas Super-H, for GDB.
- Copyright (C) 1993-2013 Free Software Foundation, Inc.
+ Copyright (C) 1993-2017 Free Software Foundation, Inc.
This file is part of GDB.
#include "value.h"
#include "dis-asm.h"
#include "inferior.h"
-#include "gdb_string.h"
-#include "gdb_assert.h"
#include "arch-utils.h"
#include "regcache.h"
#include "osabi.h"
#include "gdb/sim-sh.h"
#include "language.h"
#include "sh64-tdep.h"
+#include <algorithm>
/* Information that is dependent on the processor variant. */
enum sh_abi
if (((elf_symbol_type *)(sym))->internal_elf_sym.st_other == STO_SH5_ISA32)
{
MSYMBOL_TARGET_FLAG_1 (msym) = 1;
- SYMBOL_VALUE_ADDRESS (msym) |= 1;
+ SET_MSYMBOL_VALUE_ADDRESS (msym, MSYMBOL_VALUE_RAW_ADDRESS (msym) | 1);
}
}
static int
pc_is_isa32 (bfd_vma memaddr)
{
- struct minimal_symbol *sym;
+ struct bound_minimal_symbol sym;
/* If bit 0 of the address is set, assume this is a
ISA32 (shmedia) address. */
the high bit of the info field. Use this to decide if the function is
ISA16 or ISA32. */
sym = lookup_minimal_symbol_by_pc (memaddr);
- if (sym)
- return MSYMBOL_IS_SPECIAL (sym);
+ if (sym.minsym)
+ return MSYMBOL_IS_SPECIAL (sym.minsym);
else
return 0;
}
-static const unsigned char *
-sh64_breakpoint_from_pc (struct gdbarch *gdbarch,
- CORE_ADDR *pcptr, int *lenptr)
+static int
+sh64_breakpoint_kind_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr)
+{
+ if (pc_is_isa32 (*pcptr))
+ {
+ *pcptr = UNMAKE_ISA32_ADDR (*pcptr);
+ return 4;
+ }
+ else
+ return 2;
+}
+
+static const gdb_byte *
+sh64_sw_breakpoint_from_kind (struct gdbarch *gdbarch, int kind, int *size)
{
- /* The BRK instruction for shmedia is
+ *size = kind;
+
+ /* The BRK instruction for shmedia is
01101111 11110101 11111111 11110000
which translates in big endian mode to 0x6f, 0xf5, 0xff, 0xf0
and in little endian mode to 0xf0, 0xff, 0xf5, 0x6f */
which translates in big endian mode to 0x0, 0x3b
and in little endian mode to 0x3b, 0x0 */
- if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG)
+ if (kind == 4)
{
- if (pc_is_isa32 (*pcptr))
- {
- static unsigned char big_breakpoint_media[] = {
- 0x6f, 0xf5, 0xff, 0xf0
- };
- *pcptr = UNMAKE_ISA32_ADDR (*pcptr);
- *lenptr = sizeof (big_breakpoint_media);
- return big_breakpoint_media;
- }
+ static unsigned char big_breakpoint_media[] = {
+ 0x6f, 0xf5, 0xff, 0xf0
+ };
+ static unsigned char little_breakpoint_media[] = {
+ 0xf0, 0xff, 0xf5, 0x6f
+ };
+
+ if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG)
+ return big_breakpoint_media;
else
- {
- static unsigned char big_breakpoint_compact[] = {0x0, 0x3b};
- *lenptr = sizeof (big_breakpoint_compact);
- return big_breakpoint_compact;
- }
+ return little_breakpoint_media;
}
else
{
- if (pc_is_isa32 (*pcptr))
- {
- static unsigned char little_breakpoint_media[] = {
- 0xf0, 0xff, 0xf5, 0x6f
- };
- *pcptr = UNMAKE_ISA32_ADDR (*pcptr);
- *lenptr = sizeof (little_breakpoint_media);
- return little_breakpoint_media;
- }
+ static unsigned char big_breakpoint_compact[] = {0x0, 0x3b};
+ static unsigned char little_breakpoint_compact[] = {0x3b, 0x0};
+
+ if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG)
+ return big_breakpoint_compact;
else
- {
- static unsigned char little_breakpoint_compact[] = {0x3b, 0x0};
- *lenptr = sizeof (little_breakpoint_compact);
- return little_breakpoint_compact;
- }
+ return little_breakpoint_compact;
}
}
/* If after_prologue returned a useful address, then use it. Else
fall back on the instruction skipping code. */
if (post_prologue_pc != 0)
- return max (pc, post_prologue_pc);
+ return std::max (pc, post_prologue_pc);
else
return sh64_skip_prologue_hard_way (gdbarch, pc);
}
int insn;
int r0_val = 0;
int insn_size;
- int gdb_register_number;
- int register_number;
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
cache->sp_offset = 0;
}
else if (IS_MOV_R14 (insn))
- cache->saved_regs[MEDIA_FP_REGNUM] =
- cache->sp_offset - ((((insn & 0xf) ^ 0x8) - 0x8) << 2);
+ {
+ cache->saved_regs[MEDIA_FP_REGNUM] =
+ cache->sp_offset - ((((insn & 0xf) ^ 0x8) - 0x8) << 2);
+ cache->uses_fp = 1;
+ }
else if (IS_MOV_R0 (insn))
{
/* Store R14 at r0_val-4 from SP. Decrement r0 by 4. */
cache->saved_regs[MEDIA_FP_REGNUM] = cache->sp_offset
- (r0_val - 4);
+ cache->uses_fp = 1;
r0_val -= 4;
}
9) << 2);
else if (IS_STQ_R14_R15 (insn))
- cache->saved_regs[MEDIA_FP_REGNUM]
- = cache->sp_offset - (sign_extend ((insn & 0xffc00) >> 10,
- 9) << 3);
+ {
+ cache->saved_regs[MEDIA_FP_REGNUM]
+ = cache->sp_offset - (sign_extend ((insn & 0xffc00) >> 10,
+ 9) << 3);
+ cache->uses_fp = 1;
+ }
else if (IS_STL_R14_R15 (insn))
- cache->saved_regs[MEDIA_FP_REGNUM]
- = cache->sp_offset - (sign_extend ((insn & 0xffc00) >> 10,
- 9) << 2);
+ {
+ cache->saved_regs[MEDIA_FP_REGNUM]
+ = cache->sp_offset - (sign_extend ((insn & 0xffc00) >> 10,
+ 9) << 2);
+ cache->uses_fp = 1;
+ }
else if (IS_MOV_SP_FP_MEDIA (insn))
break;
}
}
-
- if (cache->saved_regs[MEDIA_FP_REGNUM] >= 0)
- cache->uses_fp = 1;
}
static CORE_ADDR
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int stack_offset, stack_alloc;
int int_argreg;
- int float_argreg;
- int double_argreg;
int float_arg_index = 0;
int double_arg_index = 0;
int argnum;
struct type *type;
CORE_ADDR regval;
- char *val;
- char valbuf[8];
+ const gdb_byte *val;
+ gdb_byte valbuf[8];
int len;
int argreg_size;
int fp_args[12];
in eight registers available. Loop thru args from first to last. */
int_argreg = ARG0_REGNUM;
- float_argreg = gdbarch_fp0_regnum (gdbarch);
- double_argreg = DR0_REGNUM;
for (argnum = 0, stack_offset = 0; argnum < nargs; argnum++)
{
/* value gets right-justified in the register or stack word. */
if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG)
memcpy (valbuf + argreg_size - len,
- (char *) value_contents (args[argnum]), len);
+ value_contents (args[argnum]), len);
else
- memcpy (valbuf, (char *) value_contents (args[argnum]), len);
+ memcpy (valbuf, value_contents (args[argnum]), len);
val = valbuf;
}
else
- val = (char *) value_contents (args[argnum]);
+ val = value_contents (args[argnum]);
while (len > 0)
{
if (int_argreg > ARGLAST_REGNUM)
{
/* Must go on the stack. */
- write_memory (sp + stack_offset, (const bfd_byte *) val,
- argreg_size);
+ write_memory (sp + stack_offset, val, argreg_size);
stack_offset += 8;/*argreg_size;*/
}
/* NOTE WELL!!!!! This is not an "else if" clause!!!
}
else
{
- val = (char *) value_contents (args[argnum]);
+ val = value_contents (args[argnum]);
if (len == 4)
{
/* Where is it going to be stored? */
TYPE, and copy that, in virtual format, into VALBUF. */
static void
sh64_extract_return_value (struct type *type, struct regcache *regcache,
- void *valbuf)
+ gdb_byte *valbuf)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int len = TYPE_LENGTH (type);
if (TYPE_CODE (type) == TYPE_CODE_FLT)
static void
sh64_store_return_value (struct type *type, struct regcache *regcache,
- const void *valbuf)
+ const gdb_byte *valbuf)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
gdb_byte buf[64]; /* more than enough... */
for (i = 0; i < len; i += 4)
if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_LITTLE)
regcache_raw_write (regcache, regnum++,
- (char *) valbuf + len - 4 - i);
+ valbuf + len - 4 - i);
else
- regcache_raw_write (regcache, regnum++, (char *) valbuf + i);
+ regcache_raw_write (regcache, regnum++, valbuf + i);
}
else
{
static void
sh64_register_convert_to_virtual (struct gdbarch *gdbarch, int regnum,
- struct type *type, char *from, char *to)
+ struct type *type, gdb_byte *from, gdb_byte *to)
{
if (gdbarch_byte_order (gdbarch) != BFD_ENDIAN_LITTLE)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int base_regnum;
int offset = 0;
- char temp_buffer[MAX_REGISTER_SIZE];
+ gdb_byte temp_buffer[MAX_REGISTER_SIZE];
enum register_status status;
if (reg_nr >= DR0_REGNUM
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int base_regnum, portion;
int offset;
- char temp_buffer[MAX_REGISTER_SIZE];
+ gdb_byte temp_buffer[MAX_REGISTER_SIZE];
if (reg_nr >= DR0_REGNUM
&& reg_nr <= DR_LAST_REGNUM)
for (portion = 0; portion < 2; portion++)
regcache_raw_write (regcache, base_regnum + portion,
(temp_buffer
- + register_size (gdbarch,
+ + register_size (gdbarch,
base_regnum) * portion));
}
/* Write the real regs for which this one is an alias. */
for (portion = 0; portion < 2; portion++)
regcache_raw_write (regcache, base_regnum + portion,
- ((char *) buffer
- + register_size (gdbarch,
- base_regnum) * portion));
+ (buffer + register_size (gdbarch,
+ base_regnum) * portion));
}
else if (reg_nr >= FV0_REGNUM
/* Write the real regs for which this one is an alias. */
for (portion = 0; portion < 4; portion++)
regcache_raw_write (regcache, base_regnum + portion,
- ((char *) buffer
- + register_size (gdbarch,
- base_regnum) * portion));
+ (buffer + register_size (gdbarch,
+ base_regnum) * portion));
}
/* sh compact general pseudo registers. 1-to-1 with a shmedia
for (portion = 0; portion < 4; portion++)
{
regcache_raw_write (regcache, base_regnum + portion,
- ((char *) buffer
+ (buffer
+ register_size (gdbarch,
base_regnum) * portion));
}
unsigned char *raw_buffer;
double flt; /* Double extracted from raw hex data. */
int inv;
- int j;
/* Allocate space for the float. */
raw_buffer = (unsigned char *)
fprintf_filtered (file, "%-10.9g", flt);
/* Print the fp register as hex. */
- fprintf_filtered (file, "\t(raw 0x");
- for (j = 0; j < register_size (gdbarch, regnum); j++)
- {
- int idx = gdbarch_byte_order (gdbarch)
- == BFD_ENDIAN_BIG ? j : register_size
- (gdbarch, regnum) - 1 - j;
- fprintf_filtered (file, "%02x", raw_buffer[idx]);
- }
+ fprintf_filtered (file, "\t(raw ");
+ print_hex_chars (file, raw_buffer,
+ register_size (gdbarch, regnum),
+ gdbarch_byte_order (gdbarch));
fprintf_filtered (file, ")");
fprintf_filtered (file, "\n");
}
sh64_do_register (struct gdbarch *gdbarch, struct ui_file *file,
struct frame_info *frame, int regnum)
{
- unsigned char raw_buffer[MAX_REGISTER_SIZE];
struct value_print_options opts;
+ struct value *val;
fputs_filtered (gdbarch_register_name (gdbarch, regnum), file);
print_spaces_filtered (15 - strlen (gdbarch_register_name
(gdbarch, regnum)), file);
/* Get the data in raw format. */
- if (!deprecated_frame_register_read (frame, regnum, raw_buffer))
- fprintf_filtered (file, "*value not available*\n");
+ val = get_frame_register_value (frame, regnum);
+ if (value_optimized_out (val) || !value_entirely_available (val))
+ {
+ fprintf_filtered (file, "*value not available*\n");
+ return;
+ }
get_formatted_print_options (&opts, 'x');
opts.deref_ref = 1;
- val_print (register_type (gdbarch, regnum), raw_buffer, 0, 0,
- file, 0, NULL, &opts, current_language);
+ val_print (register_type (gdbarch, regnum),
+ 0, 0,
+ file, 0, val, &opts, current_language);
fprintf_filtered (file, "\t");
get_formatted_print_options (&opts, 0);
opts.deref_ref = 1;
- val_print (register_type (gdbarch, regnum), raw_buffer, 0, 0,
- file, 0, NULL, &opts, current_language);
+ val_print (register_type (gdbarch, regnum),
+ 0, 0,
+ file, 0, val, &opts, current_language);
fprintf_filtered (file, "\n");
}
int i;
if (*this_cache)
- return *this_cache;
+ return (struct sh64_frame_cache *) *this_cache;
gdbarch = get_frame_arch (this_frame);
cache = sh64_alloc_frame_cache ();
/* None found, create a new architecture from the information
provided. */
- tdep = XMALLOC (struct gdbarch_tdep);
+ tdep = XNEW (struct gdbarch_tdep);
gdbarch = gdbarch_alloc (&info, tdep);
/* Determine the ABI */
set_gdbarch_pseudo_register_read (gdbarch, sh64_pseudo_register_read);
set_gdbarch_pseudo_register_write (gdbarch, sh64_pseudo_register_write);
- set_gdbarch_breakpoint_from_pc (gdbarch, sh64_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch, sh64_breakpoint_kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch, sh64_sw_breakpoint_from_kind);
set_gdbarch_print_insn (gdbarch, print_insn_sh);
set_gdbarch_register_sim_regno (gdbarch, legacy_register_sim_regno);
projects / deliverable / binutils-gdb.git / blobdiff