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ld signed overflow fix
[deliverable/binutils-gdb.git]
/
gdb
/
vax-tdep.c
diff --git
a/gdb/vax-tdep.c
b/gdb/vax-tdep.c
index 09b4bc716823d3cdf19a1f4c4d41aa3cb9e3938c..e4a565df0507f555e3a4155bd73a23c034fde0e8 100644
(file)
--- a/
gdb/vax-tdep.c
+++ b/
gdb/vax-tdep.c
@@
-1,7
+1,6
@@
/* Target-dependent code for the VAX.
/* Target-dependent code for the VAX.
- Copyright (C) 1986, 1989, 1991, 1992, 1995, 1996, 1998, 1999, 2000, 2002,
- 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 1986-2019 Free Software Foundation, Inc.
This file is part of GDB.
This file is part of GDB.
@@
-21,7
+20,6
@@
#include "defs.h"
#include "arch-utils.h"
#include "dis-asm.h"
#include "defs.h"
#include "arch-utils.h"
#include "dis-asm.h"
-#include "floatformat.h"
#include "frame.h"
#include "frame-base.h"
#include "frame-unwind.h"
#include "frame.h"
#include "frame-base.h"
#include "frame-unwind.h"
@@
-33,8
+31,6
@@
#include "trad-frame.h"
#include "value.h"
#include "trad-frame.h"
#include "value.h"
-#include "gdb_string.h"
-
#include "vax-tdep.h"
/* Return the name of register REGNUM. */
#include "vax-tdep.h"
/* Return the name of register REGNUM. */
@@
-42,7
+38,7
@@
static const char *
vax_register_name (struct gdbarch *gdbarch, int regnum)
{
static const char *
vax_register_name (struct gdbarch *gdbarch, int regnum)
{
- static char *register_names[] =
+ static c
onst c
har *register_names[] =
{
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "ap", "fp", "sp", "pc",
{
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "ap", "fp", "sp", "pc",
@@
-56,7
+52,7
@@
vax_register_name (struct gdbarch *gdbarch, int regnum)
}
/* Return the GDB type object for the "standard" data type of data in
}
/* Return the GDB type object for the "standard" data type of data in
- register REGNUM. */
+ register REGNUM.
*/
static struct type *
vax_register_type (struct gdbarch *gdbarch, int regnum)
static struct type *
vax_register_type (struct gdbarch *gdbarch, int regnum)
@@
-74,35
+70,33
@@
static void
vax_supply_gregset (const struct regset *regset, struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
vax_supply_gregset (const struct regset *regset, struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
- const gdb_byte *regs = gregs;
+ const gdb_byte *regs =
(const gdb_byte *)
gregs;
int i;
for (i = 0; i < VAX_NUM_REGS; i++)
{
if (regnum == i || regnum == -1)
int i;
for (i = 0; i < VAX_NUM_REGS; i++)
{
if (regnum == i || regnum == -1)
- regcache
_raw_supply (regcache,
i, regs + i * 4);
+ regcache
->raw_supply (
i, regs + i * 4);
}
}
/* VAX register set. */
}
}
/* VAX register set. */
-static struct regset vax_gregset =
+static
const
struct regset vax_gregset =
{
NULL,
vax_supply_gregset
};
{
NULL,
vax_supply_gregset
};
-/* Return the appropriate register set for the core section identified
- by SECT_NAME and SECT_SIZE. */
+/* Iterate over core file register note sections. */
-static const struct regset *
-vax_regset_from_core_section (struct gdbarch *gdbarch,
- const char *sect_name, size_t sect_size)
+static void
+vax_iterate_over_regset_sections (struct gdbarch *gdbarch,
+ iterate_over_regset_sections_cb *cb,
+ void *cb_data,
+ const struct regcache *regcache)
{
{
- if (strcmp (sect_name, ".reg") == 0 && sect_size >= VAX_NUM_REGS * 4)
- return &vax_gregset;
-
- return NULL;
+ cb (".reg", VAX_NUM_REGS * 4, VAX_NUM_REGS * 4, &vax_gregset, NULL, cb_data);
}
\f
/* The VAX UNIX calling convention uses R1 to pass a structure return
}
\f
/* The VAX UNIX calling convention uses R1 to pass a structure return
@@
-113,6
+107,8
@@
static CORE_ADDR
vax_store_arguments (struct regcache *regcache, int nargs,
struct value **args, CORE_ADDR sp)
{
vax_store_arguments (struct regcache *regcache, int nargs,
struct value **args, CORE_ADDR sp)
{
+ struct gdbarch *gdbarch = regcache->arch ();
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
gdb_byte buf[4];
int count = 0;
int i;
gdb_byte buf[4];
int count = 0;
int i;
@@
-132,12
+128,12
@@
vax_store_arguments (struct regcache *regcache, int nargs,
/* Push argument count. */
sp -= 4;
/* Push argument count. */
sp -= 4;
- store_unsigned_integer (buf, 4, count);
+ store_unsigned_integer (buf, 4,
byte_order,
count);
write_memory (sp, buf, 4);
/* Update the argument pointer. */
write_memory (sp, buf, 4);
/* Update the argument pointer. */
- store_unsigned_integer (buf, 4, sp);
- regcache
_cooked_write (regcache,
VAX_AP_REGNUM, buf);
+ store_unsigned_integer (buf, 4,
byte_order,
sp);
+ regcache
->cooked_write (
VAX_AP_REGNUM, buf);
return sp;
}
return sp;
}
@@
-145,9
+141,11
@@
vax_store_arguments (struct regcache *regcache, int nargs,
static CORE_ADDR
vax_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
struct regcache *regcache, CORE_ADDR bp_addr, int nargs,
static CORE_ADDR
vax_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,
+ struct value **args, CORE_ADDR sp,
+ function_call_return_method return_method,
CORE_ADDR struct_addr)
{
CORE_ADDR struct_addr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR fp = sp;
gdb_byte buf[4];
CORE_ADDR fp = sp;
gdb_byte buf[4];
@@
-155,17
+153,17
@@
vax_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
sp = vax_store_arguments (regcache, nargs, args, sp);
/* Store return value address. */
sp = vax_store_arguments (regcache, nargs, args, sp);
/* Store return value address. */
- if (
struct_return
)
+ if (
return_method == return_method_struct
)
regcache_cooked_write_unsigned (regcache, VAX_R1_REGNUM, struct_addr);
/* Store return address in the PC slot. */
sp -= 4;
regcache_cooked_write_unsigned (regcache, VAX_R1_REGNUM, struct_addr);
/* Store return address in the PC slot. */
sp -= 4;
- store_unsigned_integer (buf, 4, bp_addr);
+ store_unsigned_integer (buf, 4, b
yte_order, b
p_addr);
write_memory (sp, buf, 4);
/* Store the (fake) frame pointer in the FP slot. */
sp -= 4;
write_memory (sp, buf, 4);
/* Store the (fake) frame pointer in the FP slot. */
sp -= 4;
- store_unsigned_integer (buf, 4, fp);
+ store_unsigned_integer (buf, 4,
byte_order,
fp);
write_memory (sp, buf, 4);
/* Skip the AP slot. */
write_memory (sp, buf, 4);
/* Skip the AP slot. */
@@
-173,18
+171,18
@@
vax_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
/* Store register save mask and control bits. */
sp -= 4;
/* Store register save mask and control bits. */
sp -= 4;
- store_unsigned_integer (buf, 4, 0);
+ store_unsigned_integer (buf, 4,
byte_order,
0);
write_memory (sp, buf, 4);
/* Store condition handler. */
sp -= 4;
write_memory (sp, buf, 4);
/* Store condition handler. */
sp -= 4;
- store_unsigned_integer (buf, 4, 0);
+ store_unsigned_integer (buf, 4,
byte_order,
0);
write_memory (sp, buf, 4);
/* Update the stack pointer and frame pointer. */
write_memory (sp, buf, 4);
/* Update the stack pointer and frame pointer. */
- store_unsigned_integer (buf, 4, sp);
- regcache
_cooked_write (regcache,
VAX_SP_REGNUM, buf);
- regcache
_cooked_write (regcache,
VAX_FP_REGNUM, buf);
+ store_unsigned_integer (buf, 4,
byte_order,
sp);
+ regcache
->cooked_write (
VAX_SP_REGNUM, buf);
+ regcache
->cooked_write (
VAX_FP_REGNUM, buf);
/* Return the saved (fake) frame pointer. */
return fp;
/* Return the saved (fake) frame pointer. */
return fp;
@@
-201,7
+199,7
@@
vax_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
\f
static enum return_value_convention
\f
static enum return_value_convention
-vax_return_value (struct gdbarch *gdbarch, struct
type *func_type
,
+vax_return_value (struct gdbarch *gdbarch, struct
value *function
,
struct type *type, struct regcache *regcache,
gdb_byte *readbuf, const gdb_byte *writebuf)
{
struct type *type, struct regcache *regcache,
gdb_byte *readbuf, const gdb_byte *writebuf)
{
@@
-230,18
+228,18
@@
vax_return_value (struct gdbarch *gdbarch, struct type *func_type,
if (readbuf)
{
/* Read the contents of R0 and (if necessary) R1. */
if (readbuf)
{
/* Read the contents of R0 and (if necessary) R1. */
- regcache
_cooked_read (regcache,
VAX_R0_REGNUM, buf);
+ regcache
->cooked_read (
VAX_R0_REGNUM, buf);
if (len > 4)
if (len > 4)
- regcache
_cooked_read (regcache,
VAX_R1_REGNUM, buf + 4);
+ regcache
->cooked_read (
VAX_R1_REGNUM, buf + 4);
memcpy (readbuf, buf, len);
}
if (writebuf)
{
/* Read the contents to R0 and (if necessary) R1. */
memcpy (buf, writebuf, len);
memcpy (readbuf, buf, len);
}
if (writebuf)
{
/* Read the contents to R0 and (if necessary) R1. */
memcpy (buf, writebuf, len);
- regcache
_cooked_write (regcache,
VAX_R0_REGNUM, buf);
+ regcache
->cooked_write (
VAX_R0_REGNUM, buf);
if (len > 4)
if (len > 4)
- regcache
_cooked_write (regcache,
VAX_R1_REGNUM, buf + 4);
+ regcache
->cooked_write (
VAX_R1_REGNUM, buf + 4);
}
return RETURN_VALUE_REGISTER_CONVENTION;
}
return RETURN_VALUE_REGISTER_CONVENTION;
@@
-253,15
+251,10
@@
vax_return_value (struct gdbarch *gdbarch, struct type *func_type,
encode a breakpoint instruction, store the length of the string in
*LEN and optionally adjust *PC to point to the correct memory
location for inserting the breakpoint. */
encode a breakpoint instruction, store the length of the string in
*LEN and optionally adjust *PC to point to the correct memory
location for inserting the breakpoint. */
-
-static const gdb_byte *
-vax_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pc, int *len)
-{
- static gdb_byte break_insn[] = { 3 };
-
*len = sizeof (break_insn)
;
- return break_insn;
-}
+
constexpr gdb_byte vax_break_insn[] = { 3 }
;
+
+typedef BP_MANIPULATION (vax_break_insn) vax_breakpoint;
\f
/* Advance PC across any function entry prologue instructions
to reach some "real" code. */
\f
/* Advance PC across any function entry prologue instructions
to reach some "real" code. */
@@
-269,26
+262,27
@@
vax_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pc, int *len)
static CORE_ADDR
vax_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
{
static CORE_ADDR
vax_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
{
- gdb_byte op = read_memory_unsigned_integer (pc, 1);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ gdb_byte op = read_memory_unsigned_integer (pc, 1, byte_order);
if (op == 0x11)
pc += 2; /* skip brb */
if (op == 0x31)
pc += 3; /* skip brw */
if (op == 0xC2
if (op == 0x11)
pc += 2; /* skip brb */
if (op == 0x31)
pc += 3; /* skip brw */
if (op == 0xC2
- &&
(read_memory_unsigned_integer (pc + 2, 1)
) == 0x5E)
+ &&
read_memory_unsigned_integer (pc + 2, 1, byte_order
) == 0x5E)
pc += 3; /* skip subl2 */
if (op == 0x9E
pc += 3; /* skip subl2 */
if (op == 0x9E
- &&
(read_memory_unsigned_integer (pc + 1, 1)
) == 0xAE
- &&
(read_memory_unsigned_integer (pc + 3, 1)
) == 0x5E)
+ &&
read_memory_unsigned_integer (pc + 1, 1, byte_order
) == 0xAE
+ &&
read_memory_unsigned_integer (pc + 3, 1, byte_order
) == 0x5E)
pc += 4; /* skip movab */
if (op == 0x9E
pc += 4; /* skip movab */
if (op == 0x9E
- &&
(read_memory_unsigned_integer (pc + 1, 1)
) == 0xCE
- &&
(read_memory_unsigned_integer (pc + 4, 1)
) == 0x5E)
+ &&
read_memory_unsigned_integer (pc + 1, 1, byte_order
) == 0xCE
+ &&
read_memory_unsigned_integer (pc + 4, 1, byte_order
) == 0x5E)
pc += 5; /* skip movab */
if (op == 0x9E
pc += 5; /* skip movab */
if (op == 0x9E
- &&
(read_memory_unsigned_integer (pc + 1, 1)
) == 0xEE
- &&
(read_memory_unsigned_integer (pc + 6, 1)
) == 0x5E)
+ &&
read_memory_unsigned_integer (pc + 1, 1, byte_order
) == 0xEE
+ &&
read_memory_unsigned_integer (pc + 6, 1, byte_order
) == 0x5E)
pc += 7; /* skip movab */
return pc;
pc += 7; /* skip movab */
return pc;
@@
-310,7
+304,7
@@
struct vax_frame_cache
struct trad_frame_saved_reg *saved_regs;
};
struct trad_frame_saved_reg *saved_regs;
};
-struct vax_frame_cache *
+st
atic st
ruct vax_frame_cache *
vax_frame_cache (struct frame_info *this_frame, void **this_cache)
{
struct vax_frame_cache *cache;
vax_frame_cache (struct frame_info *this_frame, void **this_cache)
{
struct vax_frame_cache *cache;
@@
-319,7
+313,7
@@
vax_frame_cache (struct frame_info *this_frame, void **this_cache)
int regnum;
if (*this_cache)
int regnum;
if (*this_cache)
- return *this_cache;
+ return
(struct vax_frame_cache *)
*this_cache;
/* Allocate a new cache. */
cache = FRAME_OBSTACK_ZALLOC (struct vax_frame_cache);
/* Allocate a new cache. */
cache = FRAME_OBSTACK_ZALLOC (struct vax_frame_cache);
@@
-397,6
+391,7
@@
vax_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind vax_frame_unwind =
{
NORMAL_FRAME,
static const struct frame_unwind vax_frame_unwind =
{
NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
vax_frame_this_id,
vax_frame_prev_register,
NULL,
vax_frame_this_id,
vax_frame_prev_register,
NULL,
@@
-442,11
+437,6
@@
vax_frame_num_args (struct frame_info *frame)
return get_frame_memory_unsigned (frame, args, 1);
}
return get_frame_memory_unsigned (frame, args, 1);
}
-static CORE_ADDR
-vax_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
- return frame_unwind_register_unsigned (next_frame, VAX_PC_REGNUM);
-}
\f
/* Initialize the current architecture based on INFO. If possible, re-use an
\f
/* Initialize the current architecture based on INFO. If possible, re-use an
@@
-481,8
+471,8
@@
vax_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_pc_regnum (gdbarch, VAX_PC_REGNUM);
set_gdbarch_ps_regnum (gdbarch, VAX_PS_REGNUM);
set_gdbarch_pc_regnum (gdbarch, VAX_PC_REGNUM);
set_gdbarch_ps_regnum (gdbarch, VAX_PS_REGNUM);
- set_gdbarch_
regset_from_core_section
- (gdbarch, vax_
regset_from_core_section
);
+ set_gdbarch_
iterate_over_regset_sections
+ (gdbarch, vax_
iterate_over_regset_sections
);
/* Frame and stack info */
set_gdbarch_skip_prologue (gdbarch, vax_skip_prologue);
/* Frame and stack info */
set_gdbarch_skip_prologue (gdbarch, vax_skip_prologue);
@@
-500,16
+490,13
@@
vax_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_dummy_id (gdbarch, vax_dummy_id);
/* Breakpoint info */
set_gdbarch_dummy_id (gdbarch, vax_dummy_id);
/* Breakpoint info */
- set_gdbarch_breakpoint_from_pc (gdbarch, vax_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch, vax_breakpoint::kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch, vax_breakpoint::bp_from_kind);
/* Misc info */
set_gdbarch_deprecated_function_start_offset (gdbarch, 2);
set_gdbarch_believe_pcc_promotion (gdbarch, 1);
/* Misc info */
set_gdbarch_deprecated_function_start_offset (gdbarch, 2);
set_gdbarch_believe_pcc_promotion (gdbarch, 1);
- set_gdbarch_print_insn (gdbarch, print_insn_vax);
-
- set_gdbarch_unwind_pc (gdbarch, vax_unwind_pc);
-
frame_base_set_default (gdbarch, &vax_frame_base);
/* Hook in ABI-specific overrides, if they have been registered. */
frame_base_set_default (gdbarch, &vax_frame_base);
/* Hook in ABI-specific overrides, if they have been registered. */
@@
-520,9
+507,6
@@
vax_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
return (gdbarch);
}
return (gdbarch);
}
-/* Provide a prototype to silence -Wmissing-prototypes. */
-void _initialize_vax_tdep (void);
-
void
_initialize_vax_tdep (void)
{
void
_initialize_vax_tdep (void)
{
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