/* Target-dependent code for the Renesas RX for GDB, the GNU debugger.
- Copyright (C) 2008-2015 Free Software Foundation, Inc.
+ Copyright (C) 2008-2017 Free Software Foundation, Inc.
Contributed by Red Hat, Inc.
#include "elf/rx.h"
#include "elf-bfd.h"
+#include <algorithm>
/* Certain important register numbers. */
enum
return reg_names[regnr];
}
+/* Construct the flags type for PSW and BPSW. */
+
+static struct type *
+rx_psw_type (struct gdbarch *gdbarch)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ if (tdep->rx_psw_type == NULL)
+ {
+ tdep->rx_psw_type = arch_flags_type (gdbarch, "rx_psw_type", 32);
+ append_flags_type_flag (tdep->rx_psw_type, 0, "C");
+ append_flags_type_flag (tdep->rx_psw_type, 1, "Z");
+ append_flags_type_flag (tdep->rx_psw_type, 2, "S");
+ append_flags_type_flag (tdep->rx_psw_type, 3, "O");
+ append_flags_type_flag (tdep->rx_psw_type, 16, "I");
+ append_flags_type_flag (tdep->rx_psw_type, 17, "U");
+ append_flags_type_flag (tdep->rx_psw_type, 20, "PM");
+ append_flags_type_flag (tdep->rx_psw_type, 24, "IPL0");
+ append_flags_type_flag (tdep->rx_psw_type, 25, "IPL1");
+ append_flags_type_flag (tdep->rx_psw_type, 26, "IPL2");
+ append_flags_type_flag (tdep->rx_psw_type, 27, "IPL3");
+ }
+ return tdep->rx_psw_type;
+}
+
+/* Construct flags type for FPSW. */
+
+static struct type *
+rx_fpsw_type (struct gdbarch *gdbarch)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ if (tdep->rx_fpsw_type == NULL)
+ {
+ tdep->rx_fpsw_type = arch_flags_type (gdbarch, "rx_fpsw_type", 32);
+ append_flags_type_flag (tdep->rx_fpsw_type, 0, "RM0");
+ append_flags_type_flag (tdep->rx_fpsw_type, 1, "RM1");
+ append_flags_type_flag (tdep->rx_fpsw_type, 2, "CV");
+ append_flags_type_flag (tdep->rx_fpsw_type, 3, "CO");
+ append_flags_type_flag (tdep->rx_fpsw_type, 4, "CZ");
+ append_flags_type_flag (tdep->rx_fpsw_type, 5, "CU");
+ append_flags_type_flag (tdep->rx_fpsw_type, 6, "CX");
+ append_flags_type_flag (tdep->rx_fpsw_type, 7, "CE");
+ append_flags_type_flag (tdep->rx_fpsw_type, 8, "DN");
+ append_flags_type_flag (tdep->rx_fpsw_type, 10, "EV");
+ append_flags_type_flag (tdep->rx_fpsw_type, 11, "EO");
+ append_flags_type_flag (tdep->rx_fpsw_type, 12, "EZ");
+ append_flags_type_flag (tdep->rx_fpsw_type, 13, "EU");
+ append_flags_type_flag (tdep->rx_fpsw_type, 14, "EX");
+ append_flags_type_flag (tdep->rx_fpsw_type, 26, "FV");
+ append_flags_type_flag (tdep->rx_fpsw_type, 27, "FO");
+ append_flags_type_flag (tdep->rx_fpsw_type, 28, "FZ");
+ append_flags_type_flag (tdep->rx_fpsw_type, 29, "FU");
+ append_flags_type_flag (tdep->rx_fpsw_type, 30, "FX");
+ append_flags_type_flag (tdep->rx_fpsw_type, 31, "FS");
+ }
+
+ return tdep->rx_fpsw_type;
+}
+
/* Implement the "register_type" gdbarch method. */
static struct type *
rx_register_type (struct gdbarch *gdbarch, int reg_nr)
if (reg_nr == RX_PC_REGNUM)
return builtin_type (gdbarch)->builtin_func_ptr;
else if (reg_nr == RX_PSW_REGNUM || reg_nr == RX_BPSW_REGNUM)
- return tdep->rx_psw_type;
+ return rx_psw_type (gdbarch);
else if (reg_nr == RX_FPSW_REGNUM)
- return tdep->rx_fpsw_type;
+ return rx_fpsw_type (gdbarch);
else if (reg_nr == RX_ACC_REGNUM)
return builtin_type (gdbarch)->builtin_unsigned_long_long;
else
/* Function for finding saved registers in a 'struct pv_area'; this
- function is passed to pv_area_scan.
+ function is passed to pv_area::scan.
If VALUE is a saved register, ADDR says it was saved at a constant
offset from the frame base, and SIZE indicates that the whole
static int
rx_get_opcode_byte (void *handle)
{
- struct rx_get_opcode_byte_handle *opcdata = handle;
+ struct rx_get_opcode_byte_handle *opcdata
+ = (struct rx_get_opcode_byte_handle *) handle;
int status;
gdb_byte byte;
- status = target_read_memory (opcdata->pc, &byte, 1);
+ status = target_read_code (opcdata->pc, &byte, 1);
if (status == 0)
{
opcdata->pc += 1;
CORE_ADDR pc, next_pc;
int rn;
pv_t reg[RX_NUM_REGS];
- struct pv_area *stack;
- struct cleanup *back_to;
CORE_ADDR after_last_frame_setup_insn = start_pc;
memset (result, 0, sizeof (*result));
result->reg_offset[rn] = 1;
}
- stack = make_pv_area (RX_SP_REGNUM, gdbarch_addr_bit (target_gdbarch ()));
- back_to = make_cleanup_free_pv_area (stack);
+ pv_area stack (RX_SP_REGNUM, gdbarch_addr_bit (target_gdbarch ()));
if (frame_type == RX_FRAME_TYPE_FAST_INTERRUPT)
{
if (frame_type == RX_FRAME_TYPE_EXCEPTION)
{
reg[RX_SP_REGNUM] = pv_add_constant (reg[RX_SP_REGNUM], -4);
- pv_area_store (stack, reg[RX_SP_REGNUM], 4, reg[RX_PSW_REGNUM]);
+ stack.store (reg[RX_SP_REGNUM], 4, reg[RX_PSW_REGNUM]);
}
/* The call instruction (or an exception/interrupt) has saved the return
address on the stack. */
reg[RX_SP_REGNUM] = pv_add_constant (reg[RX_SP_REGNUM], -4);
- pv_area_store (stack, reg[RX_SP_REGNUM], 4, reg[RX_PC_REGNUM]);
+ stack.store (reg[RX_SP_REGNUM], 4, reg[RX_PC_REGNUM]);
}
for (r = r2; r >= r1; r--)
{
reg[RX_SP_REGNUM] = pv_add_constant (reg[RX_SP_REGNUM], -4);
- pv_area_store (stack, reg[RX_SP_REGNUM], 4, reg[r]);
+ stack.store (reg[RX_SP_REGNUM], 4, reg[r]);
}
after_last_frame_setup_insn = next_pc;
}
rsrc = opc.op[1].reg;
reg[RX_SP_REGNUM] = pv_add_constant (reg[RX_SP_REGNUM], -4);
- pv_area_store (stack, reg[RX_SP_REGNUM], 4, reg[rsrc]);
+ stack.store (reg[RX_SP_REGNUM], 4, reg[rsrc]);
after_last_frame_setup_insn = next_pc;
}
else if (opc.id == RXO_add /* add #const, rsrc, rdst */
}
/* Record where all the registers were saved. */
- pv_area_scan (stack, check_for_saved, (void *) result);
+ stack.scan (check_for_saved, (void *) result);
result->prologue_end = after_last_frame_setup_insn;
-
- do_cleanups (back_to);
}
stop_addr = func_start;
rx_analyze_prologue (func_start, stop_addr, frame_type,
- *this_prologue_cache);
+ (struct rx_prologue *) *this_prologue_cache);
}
- return *this_prologue_cache;
+ return (struct rx_prologue *) *this_prologue_cache;
}
/* Determine type of frame by scanning the function for a return
if (*this_cache != NULL)
{
- struct rx_prologue *p = *this_cache;
+ struct rx_prologue *p = (struct rx_prologue *) *this_cache;
return p->frame_type;
}
}
else
{
- struct rx_prologue *p = *this_cache;
+ struct rx_prologue *p = (struct rx_prologue *) *this_cache;
return sniff_p (p->frame_type);
}
struct_addr);
}
else if (TYPE_CODE (arg_type) != TYPE_CODE_STRUCT
- && TYPE_CODE (arg_type) != TYPE_CODE_UNION)
+ && TYPE_CODE (arg_type) != TYPE_CODE_UNION
+ && arg_size <= 8)
{
/* Argument is a scalar. */
if (arg_size == 8)
&& arg_size <= 4 * (RX_R4_REGNUM - arg_reg + 1)
&& arg_size % 4 == 0)
{
- int len = min (arg_size, 4);
+ int len = std::min (arg_size, (ULONGEST) 4);
if (write_pass)
regcache_cooked_write_unsigned (regcache, arg_reg,
while (valtype_len > 0)
{
- int len = min (valtype_len, 4);
+ int len = std::min (valtype_len, (ULONGEST) 4);
regcache_cooked_read_unsigned (regcache, argreg, &u);
store_unsigned_integer (readbuf + offset, len, byte_order, u);
while (valtype_len > 0)
{
- int len = min (valtype_len, 4);
+ int len = std::min (valtype_len, (ULONGEST) 4);
u = extract_unsigned_integer (writebuf + offset, len, byte_order);
regcache_cooked_write_unsigned (regcache, argreg, u);
return RETURN_VALUE_REGISTER_CONVENTION;
}
-/* Implement the "breakpoint_from_pc" gdbarch method. */
-static const gdb_byte *
-rx_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr)
-{
- static gdb_byte breakpoint[] = { 0x00 };
- *lenptr = sizeof breakpoint;
- return breakpoint;
-}
+constexpr gdb_byte rx_break_insn[] = { 0x00 };
+
+typedef BP_MANIPULATION (rx_break_insn) rx_breakpoint;
/* Implement the dwarf_reg_to_regnum" gdbarch method. */
else if (reg == 17)
return RX_PC_REGNUM;
else
- internal_error (__FILE__, __LINE__,
- _("Undefined dwarf2 register mapping of reg %d"),
- reg);
+ return -1;
}
/* Allocate and initialize a gdbarch object. */
/* None found, create a new architecture from the information
provided. */
- tdep = (struct gdbarch_tdep *) xmalloc (sizeof (struct gdbarch_tdep));
+ tdep = XCNEW (struct gdbarch_tdep);
gdbarch = gdbarch_alloc (&info, tdep);
tdep->elf_flags = elf_flags;
- /* Initialize the flags type for PSW and BPSW. */
-
- tdep->rx_psw_type = arch_flags_type (gdbarch, "rx_psw_type", 4);
- append_flags_type_flag (tdep->rx_psw_type, 0, "C");
- append_flags_type_flag (tdep->rx_psw_type, 1, "Z");
- append_flags_type_flag (tdep->rx_psw_type, 2, "S");
- append_flags_type_flag (tdep->rx_psw_type, 3, "O");
- append_flags_type_flag (tdep->rx_psw_type, 16, "I");
- append_flags_type_flag (tdep->rx_psw_type, 17, "U");
- append_flags_type_flag (tdep->rx_psw_type, 20, "PM");
- append_flags_type_flag (tdep->rx_psw_type, 24, "IPL0");
- append_flags_type_flag (tdep->rx_psw_type, 25, "IPL1");
- append_flags_type_flag (tdep->rx_psw_type, 26, "IPL2");
- append_flags_type_flag (tdep->rx_psw_type, 27, "IPL3");
-
- /* Initialize flags type for FPSW. */
-
- tdep->rx_fpsw_type = arch_flags_type (gdbarch, "rx_fpsw_type", 4);
- append_flags_type_flag (tdep->rx_fpsw_type, 0, "RM0");
- append_flags_type_flag (tdep->rx_fpsw_type, 1, "RM1");
- append_flags_type_flag (tdep->rx_fpsw_type, 2, "CV");
- append_flags_type_flag (tdep->rx_fpsw_type, 3, "CO");
- append_flags_type_flag (tdep->rx_fpsw_type, 4, "CZ");
- append_flags_type_flag (tdep->rx_fpsw_type, 5, "CU");
- append_flags_type_flag (tdep->rx_fpsw_type, 6, "CX");
- append_flags_type_flag (tdep->rx_fpsw_type, 7, "CE");
- append_flags_type_flag (tdep->rx_fpsw_type, 8, "DN");
- append_flags_type_flag (tdep->rx_fpsw_type, 10, "EV");
- append_flags_type_flag (tdep->rx_fpsw_type, 11, "EO");
- append_flags_type_flag (tdep->rx_fpsw_type, 12, "EZ");
- append_flags_type_flag (tdep->rx_fpsw_type, 13, "EU");
- append_flags_type_flag (tdep->rx_fpsw_type, 14, "EX");
- append_flags_type_flag (tdep->rx_fpsw_type, 26, "FV");
- append_flags_type_flag (tdep->rx_fpsw_type, 27, "FO");
- append_flags_type_flag (tdep->rx_fpsw_type, 28, "FZ");
- append_flags_type_flag (tdep->rx_fpsw_type, 29, "FU");
- append_flags_type_flag (tdep->rx_fpsw_type, 30, "FX");
- append_flags_type_flag (tdep->rx_fpsw_type, 31, "FS");
-
set_gdbarch_num_regs (gdbarch, RX_NUM_REGS);
set_gdbarch_num_pseudo_regs (gdbarch, 0);
set_gdbarch_register_name (gdbarch, rx_register_name);
set_gdbarch_sp_regnum (gdbarch, RX_SP_REGNUM);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_decr_pc_after_break (gdbarch, 1);
- set_gdbarch_breakpoint_from_pc (gdbarch, rx_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch, rx_breakpoint::kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch, rx_breakpoint::bp_from_kind);
set_gdbarch_skip_prologue (gdbarch, rx_skip_prologue);
- set_gdbarch_print_insn (gdbarch, print_insn_rx);
-
set_gdbarch_unwind_pc (gdbarch, rx_unwind_pc);
set_gdbarch_unwind_sp (gdbarch, rx_unwind_sp);
return gdbarch;
}
-/* -Wmissing-prototypes */
-extern initialize_file_ftype _initialize_rx_tdep;
-
/* Register the above initialization routine. */
void
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