X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gdb%2Falpha-tdep.c;h=2f996e8b3d1054aa829b71c7b7ffc71afd1141e8;hb=4762f10bd5ccd005a3a2e8d04168ecddd37f323a;hp=672e578ff1d1fe48d9e3f5d90ba4583bac6ad082;hpb=cdd238daf949385bd6ef188e24b40d9fcb83a0e8;p=external%2Fbinutils.git
diff --git a/gdb/alpha-tdep.c b/gdb/alpha-tdep.c
index 672e578..2f996e8 100644
--- a/gdb/alpha-tdep.c
+++ b/gdb/alpha-tdep.c
@@ -1,6 +1,6 @@
/* Target-dependent code for the ALPHA architecture, for GDB, the GNU Debugger.
- Copyright (C) 1993-2017 Free Software Foundation, Inc.
+ Copyright (C) 1993-2019 Free Software Foundation, Inc.
This file is part of GDB.
@@ -18,7 +18,6 @@
along with this program. If not, see . */
#include "defs.h"
-#include "doublest.h"
#include "frame.h"
#include "frame-unwind.h"
#include "frame-base.h"
@@ -227,7 +226,7 @@ alpha_sts (struct gdbarch *gdbarch, void *out, const void *in)
/* The alpha needs a conversion between register and memory format if the
register is a floating point register and memory format is float, as the
register format must be double or memory format is an integer with 4
- bytes or less, as the representation of integers in floating point
+ bytes, as the representation of integers in floating point
registers is different. */
static int
@@ -235,7 +234,7 @@ alpha_convert_register_p (struct gdbarch *gdbarch, int regno,
struct type *type)
{
return (regno >= ALPHA_FP0_REGNUM && regno < ALPHA_FP0_REGNUM + 31
- && TYPE_LENGTH (type) != 8);
+ && TYPE_LENGTH (type) == 4);
}
static int
@@ -244,38 +243,38 @@ alpha_register_to_value (struct frame_info *frame, int regnum,
int *optimizedp, int *unavailablep)
{
struct gdbarch *gdbarch = get_frame_arch (frame);
- gdb_byte in[MAX_REGISTER_SIZE];
+ struct value *value = get_frame_register_value (frame, regnum);
- /* Convert to TYPE. */
- if (!get_frame_register_bytes (frame, regnum, 0,
- register_size (gdbarch, regnum),
- in, optimizedp, unavailablep))
- return 0;
+ gdb_assert (value != NULL);
+ *optimizedp = value_optimized_out (value);
+ *unavailablep = !value_entirely_available (value);
- if (TYPE_LENGTH (valtype) == 4)
+ if (*optimizedp || *unavailablep)
{
- alpha_sts (gdbarch, out, in);
- *optimizedp = *unavailablep = 0;
- return 1;
+ release_value (value);
+ return 0;
}
- error (_("Cannot retrieve value from floating point register"));
+ /* Convert to VALTYPE. */
+
+ gdb_assert (TYPE_LENGTH (valtype) == 4);
+ alpha_sts (gdbarch, out, value_contents_all (value));
+
+ release_value (value);
+ return 1;
}
static void
alpha_value_to_register (struct frame_info *frame, int regnum,
struct type *valtype, const gdb_byte *in)
{
- gdb_byte out[MAX_REGISTER_SIZE];
+ gdb_byte out[ALPHA_REGISTER_SIZE];
+
+ gdb_assert (TYPE_LENGTH (valtype) == 4);
+ gdb_assert (register_size (get_frame_arch (frame), regnum)
+ <= ALPHA_REGISTER_SIZE);
+ alpha_lds (get_frame_arch (frame), out, in);
- switch (TYPE_LENGTH (valtype))
- {
- case 4:
- alpha_lds (get_frame_arch (frame), out, in);
- break;
- default:
- error (_("Cannot store value in floating point register"));
- }
put_frame_register (frame, regnum, out);
}
@@ -296,11 +295,12 @@ static CORE_ADDR
alpha_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
struct regcache *regcache, CORE_ADDR bp_addr,
int nargs, struct value **args, CORE_ADDR sp,
- int struct_return, CORE_ADDR struct_addr)
+ function_call_return_method return_method,
+ CORE_ADDR struct_addr)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int i;
- int accumulate_size = struct_return ? 8 : 0;
+ int accumulate_size = (return_method == return_method_struct) ? 8 : 0;
struct alpha_arg
{
const gdb_byte *contents;
@@ -447,17 +447,17 @@ alpha_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
/* Everything else goes to the stack. */
write_memory (sp + offset - sizeof(arg_reg_buffer), contents, len);
}
- if (struct_return)
+ if (return_method == return_method_struct)
store_unsigned_integer (arg_reg_buffer, ALPHA_REGISTER_SIZE,
byte_order, struct_addr);
/* Load the argument registers. */
for (i = 0; i < required_arg_regs; i++)
{
- regcache_cooked_write (regcache, ALPHA_A0_REGNUM + i,
- arg_reg_buffer + i*ALPHA_REGISTER_SIZE);
- regcache_cooked_write (regcache, ALPHA_FPA0_REGNUM + i,
- arg_reg_buffer + i*ALPHA_REGISTER_SIZE);
+ regcache->cooked_write (ALPHA_A0_REGNUM + i,
+ arg_reg_buffer + i * ALPHA_REGISTER_SIZE);
+ regcache->cooked_write (ALPHA_FPA0_REGNUM + i,
+ arg_reg_buffer + i * ALPHA_REGISTER_SIZE);
}
/* Finally, update the stack pointer. */
@@ -473,7 +473,7 @@ static void
alpha_extract_return_value (struct type *valtype, struct regcache *regcache,
gdb_byte *valbuf)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
gdb_byte raw_buffer[ALPHA_REGISTER_SIZE];
ULONGEST l;
@@ -484,12 +484,12 @@ alpha_extract_return_value (struct type *valtype, struct regcache *regcache,
switch (TYPE_LENGTH (valtype))
{
case 4:
- regcache_cooked_read (regcache, ALPHA_FP0_REGNUM, raw_buffer);
+ regcache->cooked_read (ALPHA_FP0_REGNUM, raw_buffer);
alpha_sts (gdbarch, valbuf, raw_buffer);
break;
case 8:
- regcache_cooked_read (regcache, ALPHA_FP0_REGNUM, valbuf);
+ regcache->cooked_read (ALPHA_FP0_REGNUM, valbuf);
break;
case 16:
@@ -508,12 +508,12 @@ alpha_extract_return_value (struct type *valtype, struct regcache *regcache,
{
case 8:
/* ??? This isn't correct wrt the ABI, but it's what GCC does. */
- regcache_cooked_read (regcache, ALPHA_FP0_REGNUM, valbuf);
+ regcache->cooked_read (ALPHA_FP0_REGNUM, valbuf);
break;
case 16:
- regcache_cooked_read (regcache, ALPHA_FP0_REGNUM, valbuf);
- regcache_cooked_read (regcache, ALPHA_FP0_REGNUM + 1, valbuf + 8);
+ regcache->cooked_read (ALPHA_FP0_REGNUM, valbuf);
+ regcache->cooked_read (ALPHA_FP0_REGNUM + 1, valbuf + 8);
break;
case 32:
@@ -542,7 +542,7 @@ static void
alpha_store_return_value (struct type *valtype, struct regcache *regcache,
const gdb_byte *valbuf)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
gdb_byte raw_buffer[ALPHA_REGISTER_SIZE];
ULONGEST l;
@@ -553,11 +553,11 @@ alpha_store_return_value (struct type *valtype, struct regcache *regcache,
{
case 4:
alpha_lds (gdbarch, raw_buffer, valbuf);
- regcache_cooked_write (regcache, ALPHA_FP0_REGNUM, raw_buffer);
+ regcache->cooked_write (ALPHA_FP0_REGNUM, raw_buffer);
break;
case 8:
- regcache_cooked_write (regcache, ALPHA_FP0_REGNUM, valbuf);
+ regcache->cooked_write (ALPHA_FP0_REGNUM, valbuf);
break;
case 16:
@@ -577,12 +577,12 @@ alpha_store_return_value (struct type *valtype, struct regcache *regcache,
{
case 8:
/* ??? This isn't correct wrt the ABI, but it's what GCC does. */
- regcache_cooked_write (regcache, ALPHA_FP0_REGNUM, valbuf);
+ regcache->cooked_write (ALPHA_FP0_REGNUM, valbuf);
break;
case 16:
- regcache_cooked_write (regcache, ALPHA_FP0_REGNUM, valbuf);
- regcache_cooked_write (regcache, ALPHA_FP0_REGNUM + 1, valbuf + 8);
+ regcache->cooked_write (ALPHA_FP0_REGNUM, valbuf);
+ regcache->cooked_write (ALPHA_FP0_REGNUM + 1, valbuf + 8);
break;
case 32:
@@ -766,11 +766,9 @@ static const int stq_c_opcode = 0x2f;
the sequence. */
static std::vector
-alpha_deal_with_atomic_sequence (struct regcache *regcache)
+alpha_deal_with_atomic_sequence (struct gdbarch *gdbarch, CORE_ADDR pc)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
- CORE_ADDR pc = regcache_read_pc (regcache);
- CORE_ADDR breaks[2] = {-1, -1};
+ CORE_ADDR breaks[2] = {CORE_ADDR_MAX, CORE_ADDR_MAX};
CORE_ADDR loc = pc;
CORE_ADDR closing_insn; /* Instruction that closes the atomic sequence. */
unsigned int insn = alpha_read_insn (gdbarch, loc);
@@ -1460,7 +1458,8 @@ static const struct frame_base alpha_heuristic_frame_base = {
callable as an sfunc. Used by the "set heuristic-fence-post" command. */
static void
-reinit_frame_cache_sfunc (char *args, int from_tty, struct cmd_list_element *c)
+reinit_frame_cache_sfunc (const char *args,
+ int from_tty, struct cmd_list_element *c)
{
reinit_frame_cache ();
}
@@ -1501,20 +1500,20 @@ alpha_supply_int_regs (struct regcache *regcache, int regno,
for (i = 0; i < 31; ++i)
if (regno == i || regno == -1)
- regcache_raw_supply (regcache, i, regs + i * 8);
+ regcache->raw_supply (i, regs + i * 8);
if (regno == ALPHA_ZERO_REGNUM || regno == -1)
{
const gdb_byte zero[8] = { 0 };
- regcache_raw_supply (regcache, ALPHA_ZERO_REGNUM, zero);
+ regcache->raw_supply (ALPHA_ZERO_REGNUM, zero);
}
if (regno == ALPHA_PC_REGNUM || regno == -1)
- regcache_raw_supply (regcache, ALPHA_PC_REGNUM, pc);
+ regcache->raw_supply (ALPHA_PC_REGNUM, pc);
if (regno == ALPHA_UNIQUE_REGNUM || regno == -1)
- regcache_raw_supply (regcache, ALPHA_UNIQUE_REGNUM, unique);
+ regcache->raw_supply (ALPHA_UNIQUE_REGNUM, unique);
}
void
@@ -1526,13 +1525,13 @@ alpha_fill_int_regs (const struct regcache *regcache,
for (i = 0; i < 31; ++i)
if (regno == i || regno == -1)
- regcache_raw_collect (regcache, i, regs + i * 8);
+ regcache->raw_collect (i, regs + i * 8);
if (regno == ALPHA_PC_REGNUM || regno == -1)
- regcache_raw_collect (regcache, ALPHA_PC_REGNUM, pc);
+ regcache->raw_collect (ALPHA_PC_REGNUM, pc);
if (unique && (regno == ALPHA_UNIQUE_REGNUM || regno == -1))
- regcache_raw_collect (regcache, ALPHA_UNIQUE_REGNUM, unique);
+ regcache->raw_collect (ALPHA_UNIQUE_REGNUM, unique);
}
void
@@ -1544,11 +1543,10 @@ alpha_supply_fp_regs (struct regcache *regcache, int regno,
for (i = ALPHA_FP0_REGNUM; i < ALPHA_FP0_REGNUM + 31; ++i)
if (regno == i || regno == -1)
- regcache_raw_supply (regcache, i,
- regs + (i - ALPHA_FP0_REGNUM) * 8);
+ regcache->raw_supply (i, regs + (i - ALPHA_FP0_REGNUM) * 8);
if (regno == ALPHA_FPCR_REGNUM || regno == -1)
- regcache_raw_supply (regcache, ALPHA_FPCR_REGNUM, fpcr);
+ regcache->raw_supply (ALPHA_FPCR_REGNUM, fpcr);
}
void
@@ -1560,11 +1558,10 @@ alpha_fill_fp_regs (const struct regcache *regcache,
for (i = ALPHA_FP0_REGNUM; i < ALPHA_FP0_REGNUM + 31; ++i)
if (regno == i || regno == -1)
- regcache_raw_collect (regcache, i,
- regs + (i - ALPHA_FP0_REGNUM) * 8);
+ regcache->raw_collect (i, regs + (i - ALPHA_FP0_REGNUM) * 8);
if (regno == ALPHA_FPCR_REGNUM || regno == -1)
- regcache_raw_collect (regcache, ALPHA_FPCR_REGNUM, fpcr);
+ regcache->raw_collect (ALPHA_FPCR_REGNUM, fpcr);
}
@@ -1600,7 +1597,7 @@ fp_register_sign_bit (LONGEST reg)
static CORE_ADDR
alpha_next_pc (struct regcache *regcache, CORE_ADDR pc)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
unsigned int insn;
unsigned int op;
int regno;
@@ -1721,12 +1718,17 @@ alpha_next_pc (struct regcache *regcache, CORE_ADDR pc)
std::vector
alpha_software_single_step (struct regcache *regcache)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
- CORE_ADDR pc;
+ struct gdbarch *gdbarch = regcache->arch ();
- pc = alpha_next_pc (regcache, regcache_read_pc (regcache));
+ CORE_ADDR pc = regcache_read_pc (regcache);
+
+ std::vector next_pcs
+ = alpha_deal_with_atomic_sequence (gdbarch, pc);
+ if (!next_pcs.empty ())
+ return next_pcs;
- return {pc};
+ CORE_ADDR next_pc = alpha_next_pc (regcache, pc);
+ return {next_pc};
}
@@ -1822,7 +1824,7 @@ alpha_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_cannot_step_breakpoint (gdbarch, 1);
/* Handles single stepping of atomic sequences. */
- set_gdbarch_software_single_step (gdbarch, alpha_deal_with_atomic_sequence);
+ set_gdbarch_software_single_step (gdbarch, alpha_software_single_step);
/* Hook in ABI-specific overrides, if they have been registered. */
gdbarch_init_osabi (info, gdbarch);
@@ -1848,8 +1850,6 @@ alpha_dwarf2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
}
-extern initialize_file_ftype _initialize_alpha_tdep; /* -Wmissing-prototypes */
-
void
_initialize_alpha_tdep (void)
{