/* Target-dependent code for the Tilera TILE-Gx processor.
- Copyright (C) 2012-2016 Free Software Foundation, Inc.
+ Copyright (C) 2012-2021 Free Software Foundation, Inc.
This file is part of GDB.
#include "frame.h"
#include "frame-base.h"
#include "frame-unwind.h"
-#include "dwarf2-frame.h"
+#include "dwarf2/frame.h"
#include "trad-frame.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "dis-asm.h"
#include "inferior.h"
#include "arch-utils.h"
-#include "floatformat.h"
#include "regcache.h"
#include "regset.h"
-#include "doublest.h"
#include "osabi.h"
#include "linux-tdep.h"
#include "objfiles.h"
#include "tilegx-tdep.h"
#include "opcode/tilegx.h"
#include <algorithm>
+#include "gdbsupport/byte-vector.h"
struct tilegx_frame_cache
{
CORE_ADDR start_pc;
/* Table of saved registers. */
- struct trad_frame_saved_reg *saved_regs;
+ trad_frame_saved_reg *saved_regs;
};
/* Register state values used by analyze_prologue. */
static int
tilegx_type_is_scalar (struct type *t)
{
- return (TYPE_CODE(t) != TYPE_CODE_STRUCT
- && TYPE_CODE(t) != TYPE_CODE_UNION
- && TYPE_CODE(t) != TYPE_CODE_ARRAY);
+ return (t->code () != TYPE_CODE_STRUCT
+ && t->code () != TYPE_CODE_UNION
+ && t->code () != TYPE_CODE_ARRAY);
}
/* Returns non-zero if the given struct type will be returned using
int i, regnum = TILEGX_R0_REGNUM;
for (i = 0; i < len; i += tilegx_reg_size)
- regcache_raw_read (regcache, regnum++, valbuf + i);
+ regcache->raw_read (regnum++, valbuf + i);
}
/* Copy the function return value from VALBUF into the proper
gdb_byte buf[tilegx_reg_size] = { 0 };
memcpy (buf, valbuf, TYPE_LENGTH (type));
- regcache_raw_write (regcache, TILEGX_R0_REGNUM, buf);
+ regcache->raw_write (TILEGX_R0_REGNUM, buf);
}
else
{
int i, regnum = TILEGX_R0_REGNUM;
for (i = 0; i < len; i += tilegx_reg_size)
- regcache_raw_write (regcache, regnum++, (gdb_byte *) valbuf + i);
+ regcache->raw_write (regnum++, (gdb_byte *) valbuf + i);
}
}
struct regcache *regcache,
CORE_ADDR bp_addr, int nargs,
struct value **args,
- CORE_ADDR sp, int struct_return,
+ CORE_ADDR sp, function_call_return_method return_method,
CORE_ADDR struct_addr)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
/* If struct_return is 1, then the struct return address will
consume one argument-passing register. */
- if (struct_return)
+ if (return_method == return_method_struct)
regcache_cooked_write_unsigned (regcache, argreg++, struct_addr);
/* Arguments are passed in R0 - R9, and as soon as an argument
the stack, word aligned. */
for (j = nargs - 1; j >= i; j--)
{
- gdb_byte *val;
- struct cleanup *back_to;
const gdb_byte *contents = value_contents (args[j]);
typelen = TYPE_LENGTH (value_enclosing_type (args[j]));
slacklen = align_up (typelen, 8) - typelen;
- val = (gdb_byte *) xmalloc (typelen + slacklen);
- back_to = make_cleanup (xfree, val);
- memcpy (val, contents, typelen);
- memset (val + typelen, 0, slacklen);
+ gdb::byte_vector val (typelen + slacklen);
+ memcpy (val.data (), contents, typelen);
+ memset (val.data () + typelen, 0, slacklen);
/* Now write data to the stack. The stack grows downwards. */
stack_dest -= typelen + slacklen;
- write_memory (stack_dest, val, typelen + slacklen);
- do_cleanups (back_to);
+ write_memory (stack_dest, val.data (), typelen + slacklen);
}
/* Add 16 bytes for linkage space to the stack. */
instbuf_start = next_addr;
status = safe_frame_unwind_memory (next_frame, instbuf_start,
- instbuf, instbuf_size);
+ {instbuf, instbuf_size});
if (status == 0)
memory_error (TARGET_XFER_E_IO, next_addr);
}
unsigned saved_register
= (unsigned) reverse_frame[operands[1]].value;
- /* realreg >= 0 and addr != -1 indicates that the
- value of saved_register is in memory location
- saved_address. The value of realreg is not
- meaningful in this case but it must be >= 0.
- See trad-frame.h. */
- cache->saved_regs[saved_register].realreg = saved_register;
- cache->saved_regs[saved_register].addr = saved_address;
+ cache->saved_regs[saved_register].set_addr (saved_address);
}
else if (cache
&& (operands[0] == TILEGX_SP_REGNUM)
/* Fix up the sign-extension. */
if (opcode->mnemonic == TILEGX_OPC_ADDI)
op2_as_short = op2_as_char;
- prev_sp_value = (cache->saved_regs[hopefully_sp].addr
+ prev_sp_value = (cache->saved_regs[hopefully_sp].addr ()
- op2_as_short);
new_reverse_frame[i].state = REVERSE_STATE_VALUE;
new_reverse_frame[i].value
- = cache->saved_regs[hopefully_sp].addr;
- trad_frame_set_value (cache->saved_regs,
- hopefully_sp, prev_sp_value);
+ = cache->saved_regs[hopefully_sp].addr ();
+ cache->saved_regs[hopefully_sp].set_value (prev_sp_value);
}
else
{
{
unsigned saved_register = (unsigned) reverse_frame[i].value;
- cache->saved_regs[saved_register].realreg = i;
- cache->saved_regs[saved_register].addr = (LONGEST) -1;
+ cache->saved_regs[saved_register].set_realreg (i);
}
}
}
if (lr_saved_on_stack_p)
{
- cache->saved_regs[TILEGX_LR_REGNUM].realreg = TILEGX_LR_REGNUM;
- cache->saved_regs[TILEGX_LR_REGNUM].addr =
- cache->saved_regs[TILEGX_SP_REGNUM].addr;
+ CORE_ADDR addr = cache->saved_regs[TILEGX_SP_REGNUM].addr ();
+ cache->saved_regs[TILEGX_LR_REGNUM].set_addr (addr);
}
return prolog_end;
if (find_pc_partial_function (start_pc, NULL, &func_start, NULL))
{
CORE_ADDR post_prologue_pc
- = skip_prologue_using_sal (gdbarch, func_start);
+ = skip_prologue_using_sal (gdbarch, func_start);
if (post_prologue_pc != 0)
- return std::max (start_pc, post_prologue_pc);
+ return std::max (start_pc, post_prologue_pc);
}
/* Don't straddle a section boundary. */
within GDB. In all other cases the system call will not be
restarted. */
regcache_cooked_write_unsigned (regcache, TILEGX_FAULTNUM_REGNUM,
- INT_SWINT_1_SIGRETURN);
+ INT_SWINT_1_SIGRETURN);
}
-/* This is the implementation of gdbarch method breakpoint_from_pc. */
+/* 64-bit pattern for a { bpt ; nop } bundle. */
+constexpr gdb_byte tilegx_break_insn[] =
+ { 0x00, 0x50, 0x48, 0x51, 0xae, 0x44, 0x6a, 0x28 };
-static const unsigned char *
-tilegx_breakpoint_from_pc (struct gdbarch *gdbarch,
- CORE_ADDR *pcptr, int *lenptr)
-{
- /* 64-bit pattern for a { bpt ; nop } bundle. */
- static const unsigned char breakpoint[] =
- { 0x00, 0x50, 0x48, 0x51, 0xae, 0x44, 0x6a, 0x28 };
-
- *lenptr = sizeof (breakpoint);
- return breakpoint;
-}
+typedef BP_MANIPULATION (tilegx_break_insn) tilegx_breakpoint;
/* Normal frames. */
current_pc = get_frame_pc (this_frame);
cache->base = get_frame_register_unsigned (this_frame, TILEGX_SP_REGNUM);
- trad_frame_set_value (cache->saved_regs, TILEGX_SP_REGNUM, cache->base);
+ cache->saved_regs[TILEGX_SP_REGNUM].set_value (cache->base);
if (cache->start_pc)
tilegx_analyze_prologue (gdbarch, cache->start_pc, current_pc,
tilegx_frame_base_address
};
-static CORE_ADDR
-tilegx_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
- return frame_unwind_register_unsigned (next_frame, TILEGX_SP_REGNUM);
-}
-
-static CORE_ADDR
-tilegx_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
- return frame_unwind_register_unsigned (next_frame, TILEGX_PC_REGNUM);
-}
-
-static struct frame_id
-tilegx_unwind_dummy_id (struct gdbarch *gdbarch,
- struct frame_info *this_frame)
-{
- CORE_ADDR sp;
-
- sp = get_frame_register_unsigned (this_frame, TILEGX_SP_REGNUM);
- return frame_id_build (sp, get_frame_pc (this_frame));
-}
-
-
/* We cannot read/write the "special" registers. */
static int
if (regno >= 0 && regno < TILEGX_NUM_EASY_REGS)
return 0;
else if (regno == TILEGX_PC_REGNUM
- || regno == TILEGX_FAULTNUM_REGNUM)
+ || regno == TILEGX_FAULTNUM_REGNUM)
return 0;
else
return 1;
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
/* Frame Info. */
- set_gdbarch_unwind_sp (gdbarch, tilegx_unwind_sp);
- set_gdbarch_unwind_pc (gdbarch, tilegx_unwind_pc);
- set_gdbarch_dummy_id (gdbarch, tilegx_unwind_dummy_id);
set_gdbarch_frame_align (gdbarch, tilegx_frame_align);
frame_base_set_default (gdbarch, &tilegx_frame_base);
set_gdbarch_push_dummy_call (gdbarch, tilegx_push_dummy_call);
set_gdbarch_get_longjmp_target (gdbarch, tilegx_get_longjmp_target);
set_gdbarch_write_pc (gdbarch, tilegx_write_pc);
- set_gdbarch_breakpoint_from_pc (gdbarch, tilegx_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch,
+ tilegx_breakpoint::kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch,
+ tilegx_breakpoint::bp_from_kind);
set_gdbarch_return_value (gdbarch, tilegx_return_value);
- set_gdbarch_print_insn (gdbarch, print_insn_tilegx);
-
gdbarch_init_osabi (info, gdbarch);
dwarf2_append_unwinders (gdbarch);
return gdbarch;
}
-/* Provide a prototype to silence -Wmissing-prototypes. */
-extern initialize_file_ftype _initialize_tilegx_tdep;
-
+void _initialize_tilegx_tdep ();
void
-_initialize_tilegx_tdep (void)
+_initialize_tilegx_tdep ()
{
register_gdbarch_init (bfd_arch_tilegx, tilegx_gdbarch_init);
}
projects / deliverable / binutils-gdb.git / blobdiff