/* Target-dependent code for the Sanyo Xstormy16a (LC590000) processor.
- Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 2001-2019 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 "floatformat.h"
#include "regcache.h"
-#include "doublest.h"
#include "osabi.h"
#include "objfiles.h"
+#include "gdbsupport/byte-vector.h"
enum gdb_regnum
{
/* Xstormy16 has 16 general purpose registers (R0-R15) plus PC.
Functions will return their values in register R2-R7 as they fit.
Otherwise a hidden pointer to an big enough area is given as argument
- to the function in r2. Further arguments are beginning in r3 then.
+ to the function in r2. Further arguments are beginning in r3 then.
R13 is used as frame pointer when GCC compiles w/o optimization
R14 is used as "PSW", displaying the CPU status.
- R15 is used implicitely as stack pointer. */
+ R15 is used implicitly as stack pointer. */
E_R0_REGNUM,
E_R1_REGNUM,
E_R2_REGNUM, E_1ST_ARG_REGNUM = E_R2_REGNUM, E_PTR_RET_REGNUM = E_R2_REGNUM,
CORE_ADDR saved_sp;
};
-/* Size of instructions, registers, etc. */
+/* Size of instructions, registers, etc. */
enum
{
xstormy16_inst_size = 2,
xstormy16_pc_size = 4
};
-/* Size of return datatype which fits into the remaining return registers. */
+/* Size of return datatype which fits into the remaining return registers. */
#define E_MAX_RETTYPE_SIZE(regnum) ((E_LST_ARG_REGNUM - (regnum) + 1) \
* xstormy16_reg_size)
-/* Size of return datatype which fits into all return registers. */
+/* Size of return datatype which fits into all return registers. */
enum
{
E_MAX_RETTYPE_SIZE_IN_REGS = E_MAX_RETTYPE_SIZE (E_R2_REGNUM)
static const char *
xstormy16_register_name (struct gdbarch *gdbarch, int regnum)
{
- static char *register_names[] = {
+ static const char *register_names[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13",
"psw", "sp", "pc"
xstormy16_register_type (struct gdbarch *gdbarch, int regnum)
{
if (regnum == E_PC_REGNUM)
- return builtin_type_uint32;
+ return builtin_type (gdbarch)->builtin_uint32;
else
- return builtin_type_uint16;
+ return builtin_type (gdbarch)->builtin_uint16;
}
/* Function: xstormy16_type_is_scalar
static void
xstormy16_extract_return_value (struct type *type, struct regcache *regcache,
- void *valbuf)
+ gdb_byte *valbuf)
{
int len = TYPE_LENGTH (type);
int i, regnum = E_1ST_ARG_REGNUM;
for (i = 0; i < len; i += xstormy16_reg_size)
- regcache_raw_read (regcache, regnum++, (char *) valbuf + i);
+ regcache->raw_read (regnum++, valbuf + i);
}
/* Function: xstormy16_store_return_value
static void
xstormy16_store_return_value (struct type *type, struct regcache *regcache,
- const void *valbuf)
+ const gdb_byte *valbuf)
{
if (TYPE_LENGTH (type) == 1)
{
- /* Add leading zeros to the value. */
- char buf[xstormy16_reg_size];
+ /* Add leading zeros to the value. */
+ gdb_byte buf[xstormy16_reg_size];
memset (buf, 0, xstormy16_reg_size);
memcpy (buf, valbuf, 1);
- regcache_raw_write (regcache, E_1ST_ARG_REGNUM, buf);
+ regcache->raw_write (E_1ST_ARG_REGNUM, buf);
}
else
{
int i, regnum = E_1ST_ARG_REGNUM;
for (i = 0; i < len; i += xstormy16_reg_size)
- regcache_raw_write (regcache, regnum++, (char *) valbuf + i);
+ regcache->raw_write (regnum++, valbuf + i);
}
}
static enum return_value_convention
-xstormy16_return_value (struct gdbarch *gdbarch, struct type *type,
- struct regcache *regcache,
+xstormy16_return_value (struct gdbarch *gdbarch, struct value *function,
+ struct type *type, struct regcache *regcache,
gdb_byte *readbuf, const gdb_byte *writebuf)
{
if (xstormy16_use_struct_convention (type))
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);
CORE_ADDR stack_dest = sp;
int argreg = E_1ST_ARG_REGNUM;
int i, j;
int typelen, slacklen;
- const gdb_byte *val;
- char buf[xstormy16_pc_size];
+ gdb_byte buf[xstormy16_pc_size];
- /* If struct_return is true, then the struct return address will
- consume one argument-passing register. */
- if (struct_return)
+ /* If returning a struct using target ABI method, then the struct return
+ address will consume one argument-passing register. */
+ if (return_method == return_method_struct)
{
regcache_cooked_write_unsigned (regcache, E_PTR_RET_REGNUM, struct_addr);
argreg++;
}
- /* Arguments are passed in R2-R7 as they fit. If an argument doesn't
+ /* Arguments are passed in R2-R7 as they fit. If an argument doesn't
fit in the remaining registers we're switching over to the stack.
No argument is put on stack partially and as soon as we switched
over to stack no further argument is put in a register even if it
if (typelen > E_MAX_RETTYPE_SIZE (argreg))
break;
- /* Put argument into registers wordwise. */
- val = value_contents (args[i]);
+ /* Put argument into registers wordwise. */
+ const gdb_byte *val = value_contents (args[i]);
for (j = 0; j < typelen; j += xstormy16_reg_size)
- regcache_cooked_write_unsigned (regcache, argreg++,
- extract_unsigned_integer (val + j,
- typelen - j ==
- 1 ? 1 :
- xstormy16_reg_size));
+ {
+ ULONGEST regval;
+ int size = (typelen - j == 1) ? 1 : xstormy16_reg_size;
+
+ regval = extract_unsigned_integer (val + j, size, byte_order);
+ regcache_cooked_write_unsigned (regcache, argreg++, regval);
+ }
}
/* Align SP */
wordaligned. */
for (j = nargs - 1; j >= i; j--)
{
- char *val;
+ const gdb_byte *bytes = value_contents (args[j]);
typelen = TYPE_LENGTH (value_enclosing_type (args[j]));
slacklen = typelen & 1;
- val = alloca (typelen + slacklen);
- memcpy (val, value_contents (args[j]), typelen);
- memset (val + typelen, 0, slacklen);
+ gdb::byte_vector val (typelen + slacklen);
+ memcpy (val.data (), bytes, typelen);
+ memset (val.data () + typelen, 0, slacklen);
- /* Now write this data to the stack. The stack grows upwards. */
- write_memory (stack_dest, val, typelen + slacklen);
+ /* Now write this data to the stack. The stack grows upwards. */
+ write_memory (stack_dest, val.data (), typelen + slacklen);
stack_dest += typelen + slacklen;
}
- store_unsigned_integer (buf, xstormy16_pc_size, bp_addr);
+ store_unsigned_integer (buf, xstormy16_pc_size, byte_order, bp_addr);
write_memory (stack_dest, buf, xstormy16_pc_size);
stack_dest += xstormy16_pc_size;
Returns the address of the first instruction after the prologue. */
static CORE_ADDR
-xstormy16_analyze_prologue (CORE_ADDR start_addr, CORE_ADDR end_addr,
+xstormy16_analyze_prologue (struct gdbarch *gdbarch,
+ CORE_ADDR start_addr, CORE_ADDR end_addr,
struct xstormy16_frame_cache *cache,
- struct frame_info *next_frame)
+ struct frame_info *this_frame)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR next_addr;
ULONGEST inst, inst2;
LONGEST offset;
int regnum;
- /* Initialize framesize with size of PC put on stack by CALLF inst. */
+ /* Initialize framesize with size of PC put on stack by CALLF inst. */
cache->saved_regs[E_PC_REGNUM] = 0;
cache->framesize = xstormy16_pc_size;
for (next_addr = start_addr;
next_addr < end_addr; next_addr += xstormy16_inst_size)
{
- inst = read_memory_unsigned_integer (next_addr, xstormy16_inst_size);
+ inst = read_memory_unsigned_integer (next_addr,
+ xstormy16_inst_size, byte_order);
inst2 = read_memory_unsigned_integer (next_addr + xstormy16_inst_size,
- xstormy16_inst_size);
+ xstormy16_inst_size, byte_order);
if (inst >= 0x0082 && inst <= 0x008d) /* push r2 .. push r13 */
{
cache->framesize += xstormy16_reg_size;
}
- /* optional stack allocation for args and local vars <= 4 byte */
- else if (inst == 0x301f || inst == 0x303f) /* inc r15, #0x1/#0x3 */
+ /* Optional stack allocation for args and local vars <= 4 byte. */
+ else if (inst == 0x301f || inst == 0x303f) /* inc r15, #0x1/#0x3 */
{
cache->framesize += ((inst & 0x0030) >> 4) + 1;
}
cache->framesize += (inst & 0x00f0) >> 4;
}
- /* optional stack allocation for args and local vars >= 16 byte */
- else if (inst == 0x314f && inst2 >= 0x0010) /* 314f HHHH add r15, #0xH */
+ /* Optional stack allocation for args and local vars >= 16 byte. */
+ else if (inst == 0x314f && inst2 >= 0x0010) /* 314f HHHH add r15, #0xH */
{
cache->framesize += inst2;
next_addr += xstormy16_inst_size;
cache->uses_fp = 1;
}
- /* optional copying of args in r2-r7 to r10-r13 */
- /* Probably only in optimized case but legal action for prologue */
+ /* optional copying of args in r2-r7 to r10-r13. */
+ /* Probably only in optimized case but legal action for prologue. */
else if ((inst & 0xff00) == 0x4600 /* 46SD mov rD, rS */
&& (inst & 0x00f0) >= 0x0020 && (inst & 0x00f0) <= 0x0070
- && (inst & 0x000f) >= 0x00a0 && (inst & 0x000f) <= 0x000d)
+ && (inst & 0x000f) >= 0x000a && (inst & 0x000f) <= 0x000d)
;
- /* optional copying of args in r2-r7 to stack */
- /* 72DS HHHH mov.b (rD, 0xHHHH), r(S-8) (bit3 always 1, bit2-0 = reg) */
+ /* Optional copying of args in r2-r7 to stack. */
+ /* 72DS HHHH mov.b (rD, 0xHHHH), r(S-8)
+ (bit3 always 1, bit2-0 = reg) */
/* 73DS HHHH mov.w (rD, 0xHHHH), r(S-8) */
else if ((inst & 0xfed8) == 0x72d8 && (inst & 0x0007) >= 2)
{
regnum = inst & 0x0007;
/* Only 12 of 16 bits of the argument are used for the
- signed offset. */
+ signed offset. */
offset = (LONGEST) (inst2 & 0x0fff);
if (offset & 0x0800)
offset -= 0x1000;
next_addr += xstormy16_inst_size;
}
- else /* Not a prologue instruction. */
+ else /* Not a prologue instruction. */
break;
}
stepped into a function call. */
static CORE_ADDR
-xstormy16_skip_prologue (CORE_ADDR pc)
+xstormy16_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
{
CORE_ADDR func_addr = 0, func_end = 0;
- char *func_name;
+ const char *func_name;
if (find_pc_partial_function (pc, &func_name, &func_addr, &func_end))
{
memset (&cache, 0, sizeof cache);
- /* Don't trust line number debug info in frameless functions. */
- plg_end = xstormy16_analyze_prologue (func_addr, func_end, &cache, NULL);
+ /* Don't trust line number debug info in frameless functions. */
+ plg_end = xstormy16_analyze_prologue (gdbarch, func_addr, func_end,
+ &cache, NULL);
if (!cache.uses_fp)
return plg_end;
/* Found a function. */
- sym = lookup_symbol (func_name, NULL, VAR_DOMAIN, NULL, NULL);
- /* Don't use line number debug info for assembly source files. */
- if (sym && SYMBOL_LANGUAGE (sym) != language_asm)
+ sym = lookup_symbol (func_name, NULL, VAR_DOMAIN, NULL).symbol;
+ /* Don't use line number debug info for assembly source files. */
+ if (sym && sym->language () != language_asm)
{
sal = find_pc_line (func_addr, 0);
if (sal.end && sal.end < func_end)
return sal.end;
}
}
- /* No useable line symbol. Use result of prologue parsing method. */
+ /* No useable line symbol. Use result of prologue parsing method. */
return plg_end;
}
- /* No function symbol -- just return the PC. */
+ /* No function symbol -- just return the PC. */
return (CORE_ADDR) pc;
}
-/* The epilogue is defined here as the area at the end of a function,
+/* Implement the stack_frame_destroyed_p gdbarch method.
+
+ The epilogue is defined here as the area at the end of a function,
either on the `ret' instruction itself or after an instruction which
- destroys the function's stack frame. */
+ destroys the function's stack frame. */
+
static int
-xstormy16_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
+xstormy16_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR func_addr = 0, func_end = 0;
if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
ULONGEST inst, inst2;
CORE_ADDR addr = func_end - xstormy16_inst_size;
- /* The Xstormy16 epilogue is max. 14 bytes long. */
+ /* The Xstormy16 epilogue is max. 14 bytes long. */
if (pc < func_end - 7 * xstormy16_inst_size)
return 0;
/* Check if we're on a `ret' instruction. Otherwise it's
- too dangerous to proceed. */
- inst = read_memory_unsigned_integer (addr, xstormy16_inst_size);
+ too dangerous to proceed. */
+ inst = read_memory_unsigned_integer (addr,
+ xstormy16_inst_size, byte_order);
if (inst != 0x0003)
return 0;
while ((addr -= xstormy16_inst_size) >= func_addr)
{
- inst = read_memory_unsigned_integer (addr, xstormy16_inst_size);
+ inst = read_memory_unsigned_integer (addr,
+ xstormy16_inst_size,
+ byte_order);
if (inst >= 0x009a && inst <= 0x009d) /* pop r10...r13 */
continue;
if (inst == 0x305f || inst == 0x307f) /* dec r15, #0x1/#0x3 */
break;
inst2 = read_memory_unsigned_integer (addr - xstormy16_inst_size,
- xstormy16_inst_size);
- if (inst2 == 0x314f && inst >= 0x8000) /* add r15, neg. value */
+ xstormy16_inst_size,
+ byte_order);
+ if (inst2 == 0x314f && inst >= 0x8000) /* add r15, neg. value */
{
addr -= xstormy16_inst_size;
break;
return 0;
}
-const static unsigned char *
-xstormy16_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
- int *lenptr)
-{
- static unsigned char breakpoint[] = { 0x06, 0x0 };
- *lenptr = sizeof (breakpoint);
- return breakpoint;
-}
+constexpr gdb_byte xstormy16_break_insn[] = { 0x06, 0x0 };
+
+typedef BP_MANIPULATION (xstormy16_break_insn) xstormy16_breakpoint;
/* Given a pointer to a jump table entry, return the address
- of the function it jumps to. Return 0 if not found. */
+ of the function it jumps to. Return 0 if not found. */
static CORE_ADDR
-xstormy16_resolve_jmp_table_entry (CORE_ADDR faddr)
+xstormy16_resolve_jmp_table_entry (struct gdbarch *gdbarch, CORE_ADDR faddr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct obj_section *faddr_sect = find_pc_section (faddr);
if (faddr_sect)
{
LONGEST inst, inst2, addr;
- char buf[2 * xstormy16_inst_size];
+ gdb_byte buf[2 * xstormy16_inst_size];
- /* Return faddr if it's not pointing into the jump table. */
+ /* Return faddr if it's not pointing into the jump table. */
if (strcmp (faddr_sect->the_bfd_section->name, ".plt"))
return faddr;
if (!target_read_memory (faddr, buf, sizeof buf))
{
- inst = extract_unsigned_integer (buf, xstormy16_inst_size);
+ inst = extract_unsigned_integer (buf,
+ xstormy16_inst_size, byte_order);
inst2 = extract_unsigned_integer (buf + xstormy16_inst_size,
- xstormy16_inst_size);
+ xstormy16_inst_size, byte_order);
addr = inst2 << 8 | (inst & 0xff);
return addr;
}
/* Given a function's address, attempt to find (and return) the
address of the corresponding jump table entry. Return 0 if
- not found. */
+ not found. */
static CORE_ADDR
-xstormy16_find_jmp_table_entry (CORE_ADDR faddr)
+xstormy16_find_jmp_table_entry (struct gdbarch *gdbarch, CORE_ADDR faddr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct obj_section *faddr_sect = find_pc_section (faddr);
if (faddr_sect)
{
struct obj_section *osect;
- /* Return faddr if it's already a pointer to a jump table entry. */
+ /* Return faddr if it's already a pointer to a jump table entry. */
if (!strcmp (faddr_sect->the_bfd_section->name, ".plt"))
return faddr;
if (osect < faddr_sect->objfile->sections_end)
{
- CORE_ADDR addr;
- for (addr = osect->addr;
- addr < osect->endaddr; addr += 2 * xstormy16_inst_size)
+ CORE_ADDR addr, endaddr;
+
+ addr = obj_section_addr (osect);
+ endaddr = obj_section_endaddr (osect);
+
+ for (; addr < endaddr; addr += 2 * xstormy16_inst_size)
{
LONGEST inst, inst2, faddr2;
- char buf[2 * xstormy16_inst_size];
+ gdb_byte buf[2 * xstormy16_inst_size];
if (target_read_memory (addr, buf, sizeof buf))
return 0;
- inst = extract_unsigned_integer (buf, xstormy16_inst_size);
+ inst = extract_unsigned_integer (buf,
+ xstormy16_inst_size,
+ byte_order);
inst2 = extract_unsigned_integer (buf + xstormy16_inst_size,
- xstormy16_inst_size);
+ xstormy16_inst_size,
+ byte_order);
faddr2 = inst2 << 8 | (inst & 0xff);
if (faddr == faddr2)
return addr;
static CORE_ADDR
xstormy16_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc)
{
- CORE_ADDR tmp = xstormy16_resolve_jmp_table_entry (pc);
+ struct gdbarch *gdbarch = get_frame_arch (frame);
+ CORE_ADDR tmp = xstormy16_resolve_jmp_table_entry (gdbarch, pc);
if (tmp && tmp != pc)
return tmp;
and vice versa. */
static CORE_ADDR
-xstormy16_pointer_to_address (struct type *type, const gdb_byte *buf)
+xstormy16_pointer_to_address (struct gdbarch *gdbarch,
+ struct type *type, const gdb_byte *buf)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
enum type_code target = TYPE_CODE (TYPE_TARGET_TYPE (type));
- CORE_ADDR addr = extract_unsigned_integer (buf, TYPE_LENGTH (type));
+ CORE_ADDR addr
+ = extract_unsigned_integer (buf, TYPE_LENGTH (type), byte_order);
if (target == TYPE_CODE_FUNC || target == TYPE_CODE_METHOD)
{
- CORE_ADDR addr2 = xstormy16_resolve_jmp_table_entry (addr);
+ CORE_ADDR addr2 = xstormy16_resolve_jmp_table_entry (gdbarch, addr);
if (addr2)
addr = addr2;
}
}
static void
-xstormy16_address_to_pointer (struct type *type, gdb_byte *buf, CORE_ADDR addr)
+xstormy16_address_to_pointer (struct gdbarch *gdbarch,
+ struct type *type, gdb_byte *buf, CORE_ADDR addr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
enum type_code target = TYPE_CODE (TYPE_TARGET_TYPE (type));
if (target == TYPE_CODE_FUNC || target == TYPE_CODE_METHOD)
{
- CORE_ADDR addr2 = xstormy16_find_jmp_table_entry (addr);
+ CORE_ADDR addr2 = xstormy16_find_jmp_table_entry (gdbarch, addr);
if (addr2)
addr = addr2;
}
- store_unsigned_integer (buf, TYPE_LENGTH (type), addr);
+ store_unsigned_integer (buf, TYPE_LENGTH (type), byte_order, addr);
}
static struct xstormy16_frame_cache *
}
static struct xstormy16_frame_cache *
-xstormy16_frame_cache (struct frame_info *next_frame, void **this_cache)
+xstormy16_frame_cache (struct frame_info *this_frame, void **this_cache)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct xstormy16_frame_cache *cache;
CORE_ADDR current_pc;
int i;
if (*this_cache)
- return *this_cache;
+ return (struct xstormy16_frame_cache *) *this_cache;
cache = xstormy16_alloc_frame_cache ();
*this_cache = cache;
- cache->base = frame_unwind_register_unsigned (next_frame, E_FP_REGNUM);
+ cache->base = get_frame_register_unsigned (this_frame, E_FP_REGNUM);
if (cache->base == 0)
return cache;
- cache->pc = frame_func_unwind (next_frame, NORMAL_FRAME);
- current_pc = frame_pc_unwind (next_frame);
+ cache->pc = get_frame_func (this_frame);
+ current_pc = get_frame_pc (this_frame);
if (cache->pc)
- xstormy16_analyze_prologue (cache->pc, current_pc, cache, next_frame);
+ xstormy16_analyze_prologue (gdbarch, cache->pc, current_pc,
+ cache, this_frame);
if (!cache->uses_fp)
- cache->base = frame_unwind_register_unsigned (next_frame, E_SP_REGNUM);
+ cache->base = get_frame_register_unsigned (this_frame, E_SP_REGNUM);
cache->saved_sp = cache->base - cache->framesize;
return cache;
}
-static void
-xstormy16_frame_prev_register (struct frame_info *next_frame,
- void **this_cache,
- int regnum, int *optimizedp,
- enum lval_type *lvalp, CORE_ADDR *addrp,
- int *realnump, gdb_byte *valuep)
+static struct value *
+xstormy16_frame_prev_register (struct frame_info *this_frame,
+ void **this_cache, int regnum)
{
- struct xstormy16_frame_cache *cache = xstormy16_frame_cache (next_frame,
+ struct xstormy16_frame_cache *cache = xstormy16_frame_cache (this_frame,
this_cache);
gdb_assert (regnum >= 0);
if (regnum == E_SP_REGNUM && cache->saved_sp)
- {
- *optimizedp = 0;
- *lvalp = not_lval;
- *addrp = 0;
- *realnump = -1;
- if (valuep)
- {
- /* Store the value. */
- store_unsigned_integer (valuep, xstormy16_reg_size, cache->saved_sp);
- }
- return;
- }
+ return frame_unwind_got_constant (this_frame, regnum, cache->saved_sp);
if (regnum < E_NUM_REGS && cache->saved_regs[regnum] != REG_UNAVAIL)
- {
- *optimizedp = 0;
- *lvalp = lval_memory;
- *addrp = cache->saved_regs[regnum];
- *realnump = -1;
- if (valuep)
- {
- /* Read the value in from memory. */
- read_memory (*addrp, valuep,
- register_size (get_frame_arch (next_frame), regnum));
- }
- return;
- }
+ return frame_unwind_got_memory (this_frame, regnum,
+ cache->saved_regs[regnum]);
- *optimizedp = 0;
- *lvalp = lval_register;
- *addrp = 0;
- *realnump = regnum;
- if (valuep)
- frame_unwind_register (next_frame, (*realnump), valuep);
+ return frame_unwind_got_register (this_frame, regnum, regnum);
}
static void
-xstormy16_frame_this_id (struct frame_info *next_frame, void **this_cache,
+xstormy16_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct frame_id *this_id)
{
- struct xstormy16_frame_cache *cache = xstormy16_frame_cache (next_frame,
+ struct xstormy16_frame_cache *cache = xstormy16_frame_cache (this_frame,
this_cache);
/* This marks the outermost frame. */
}
static CORE_ADDR
-xstormy16_frame_base_address (struct frame_info *next_frame, void **this_cache)
+xstormy16_frame_base_address (struct frame_info *this_frame, void **this_cache)
{
- struct xstormy16_frame_cache *cache = xstormy16_frame_cache (next_frame,
+ struct xstormy16_frame_cache *cache = xstormy16_frame_cache (this_frame,
this_cache);
return cache->base;
}
static const struct frame_unwind xstormy16_frame_unwind = {
NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
xstormy16_frame_this_id,
- xstormy16_frame_prev_register
+ xstormy16_frame_prev_register,
+ NULL,
+ default_frame_sniffer
};
static const struct frame_base xstormy16_frame_base = {
xstormy16_frame_base_address
};
-static const struct frame_unwind *
-xstormy16_frame_sniffer (struct frame_info *next_frame)
-{
- return &xstormy16_frame_unwind;
-}
-
-static CORE_ADDR
-xstormy16_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
- return frame_unwind_register_unsigned (next_frame, E_SP_REGNUM);
-}
-
-static CORE_ADDR
-xstormy16_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
- return frame_unwind_register_unsigned (next_frame, E_PC_REGNUM);
-}
-
-static struct frame_id
-xstormy16_unwind_dummy_id (struct gdbarch *gdbarch,
- struct frame_info *next_frame)
-{
- return frame_id_build (xstormy16_unwind_sp (gdbarch, next_frame),
- frame_pc_unwind (next_frame));
-}
-
-
/* Function: xstormy16_gdbarch_init
Initializer function for the xstormy16 gdbarch vector.
- Called by gdbarch. Sets up the gdbarch vector(s) for this target. */
+ Called by gdbarch. Sets up the gdbarch vector(s) for this target. */
static struct gdbarch *
xstormy16_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
struct gdbarch *gdbarch;
- /* find a candidate among the list of pre-declared architectures. */
+ /* find a candidate among the list of pre-declared architectures. */
arches = gdbarch_list_lookup_by_info (arches, &info);
if (arches != NULL)
return (arches->gdbarch);
set_gdbarch_long_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_long_long_bit (gdbarch, 8 * TARGET_CHAR_BIT);
+ set_gdbarch_wchar_bit (gdbarch, 2 * TARGET_CHAR_BIT);
+ set_gdbarch_wchar_signed (gdbarch, 1);
+
set_gdbarch_float_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_ptr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ set_gdbarch_dwarf2_addr_size (gdbarch, 4);
set_gdbarch_address_to_pointer (gdbarch, xstormy16_address_to_pointer);
set_gdbarch_pointer_to_address (gdbarch, xstormy16_pointer_to_address);
- /* Stack grows up. */
+ /* Stack grows up. */
set_gdbarch_inner_than (gdbarch, core_addr_greaterthan);
/*
* Frame Info
*/
- set_gdbarch_unwind_sp (gdbarch, xstormy16_unwind_sp);
- set_gdbarch_unwind_pc (gdbarch, xstormy16_unwind_pc);
- set_gdbarch_unwind_dummy_id (gdbarch, xstormy16_unwind_dummy_id);
set_gdbarch_frame_align (gdbarch, xstormy16_frame_align);
frame_base_set_default (gdbarch, &xstormy16_frame_base);
set_gdbarch_skip_prologue (gdbarch, xstormy16_skip_prologue);
- set_gdbarch_in_function_epilogue_p (gdbarch,
- xstormy16_in_function_epilogue_p);
+ set_gdbarch_stack_frame_destroyed_p (gdbarch,
+ xstormy16_stack_frame_destroyed_p);
/* These values and methods are used when gdb calls a target function. */
set_gdbarch_push_dummy_call (gdbarch, xstormy16_push_dummy_call);
- set_gdbarch_breakpoint_from_pc (gdbarch, xstormy16_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch,
+ xstormy16_breakpoint::kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch,
+ xstormy16_breakpoint::bp_from_kind);
set_gdbarch_return_value (gdbarch, xstormy16_return_value);
set_gdbarch_skip_trampoline_code (gdbarch, xstormy16_skip_trampoline_code);
- set_gdbarch_print_insn (gdbarch, print_insn_xstormy16);
-
gdbarch_init_osabi (info, gdbarch);
- frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer);
- frame_unwind_append_sniffer (gdbarch, xstormy16_frame_sniffer);
+ dwarf2_append_unwinders (gdbarch);
+ frame_unwind_append_unwinder (gdbarch, &xstormy16_frame_unwind);
return gdbarch;
}
/* Function: _initialize_xstormy16_tdep
Initializer function for the Sanyo Xstormy16a module.
- Called by gdb at start-up. */
-
-extern initialize_file_ftype _initialize_xstormy16_tdep; /* -Wmissing-prototypes */
+ Called by gdb at start-up. */
void
_initialize_xstormy16_tdep (void)
projects / deliverable / binutils-gdb.git / blobdiff