/* Target-dependent code for the S+core architecture, for GDB,
the GNU Debugger.
- Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Qinwei (qinwei@sunnorth.com.cn)
Contributed by Ching-Peng Lin (cplin@sunplus.com)
static void
score_analyze_pdr_section (CORE_ADDR startaddr, CORE_ADDR pc,
- struct frame_info *next_frame,
+ struct frame_info *this_frame,
struct score_frame_cache *this_cache)
{
struct symbol *sym;
score_register_type (struct gdbarch *gdbarch, int regnum)
{
gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS);
- return builtin_type_uint32;
+ return builtin_type (gdbarch)->builtin_uint32;
}
static CORE_ADDR
}
static int
-score_register_sim_regno (int regnum)
+score_register_sim_regno (struct gdbarch *gdbarch, int regnum)
{
gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS);
return regnum;
static int
score_print_insn (bfd_vma memaddr, struct disassemble_info *info)
{
- if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
+ if (info->endian == BFD_ENDIAN_BIG)
return print_insn_big_score (memaddr, info);
else
return print_insn_little_score (memaddr, info);
score_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
int *lenptr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
gdb_byte buf[SCORE_INSTLEN] = { 0 };
int ret;
unsigned int raw;
error ("Error: target_read_memory in file:%s, line:%d!",
__FILE__, __LINE__);
}
- raw = extract_unsigned_integer (buf, SCORE_INSTLEN);
+ raw = extract_unsigned_integer (buf, SCORE_INSTLEN, byte_order);
- if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG)
+ if (byte_order == BFD_ENDIAN_BIG)
{
if (!(raw & 0x80008000))
{
}
static enum return_value_convention
-score_return_value (struct gdbarch *gdbarch, struct type *type,
- struct regcache *regcache,
+score_return_value (struct gdbarch *gdbarch, struct type *func_type,
+ struct type *type, struct regcache *regcache,
gdb_byte * readbuf, const gdb_byte * writebuf)
{
if (TYPE_CODE (type) == TYPE_CODE_STRUCT
}
static struct frame_id
-score_unwind_dummy_id (struct gdbarch *gdbarch,
- struct frame_info *next_frame)
+score_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
{
return frame_id_build (
- frame_unwind_register_unsigned (next_frame, SCORE_SP_REGNUM),
- frame_pc_unwind (next_frame));
+ get_frame_register_unsigned (this_frame, SCORE_SP_REGNUM),
+ get_frame_pc (this_frame));
}
static int
int nargs, struct value **args, CORE_ADDR sp,
int struct_return, CORE_ADDR struct_addr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int argnum;
int argreg;
int arglen = 0;
while (arglen > 0)
{
int partial_len = arglen < SCORE_REGSIZE ? arglen : SCORE_REGSIZE;
- ULONGEST regval = extract_unsigned_integer (val, partial_len);
+ ULONGEST regval = extract_unsigned_integer (val, partial_len,
+ byte_order);
/* The last part of a arg should shift left when
gdbarch_byte_order is BFD_ENDIAN_BIG. */
}
static inst_t *
-score_fetch_inst (CORE_ADDR addr, char *memblock)
+score_fetch_inst (struct gdbarch *gdbarch, CORE_ADDR addr, char *memblock)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
static inst_t inst = { 0, 0 };
char buf[SCORE_INSTLEN] = { 0 };
int big;
}
}
- inst.raw = extract_unsigned_integer (buf, SCORE_INSTLEN);
+ inst.raw = extract_unsigned_integer (buf, SCORE_INSTLEN, byte_order);
inst.is15 = !(inst.raw & 0x80008000);
inst.v = RM_PBITS (inst.raw);
- big = (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG);
+ big = (byte_order == BFD_ENDIAN_BIG);
if (inst.is15)
{
if (big ^ ((addr & 0x2) == 2))
}
static CORE_ADDR
-score_skip_prologue (CORE_ADDR pc)
+score_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
{
CORE_ADDR cpc = pc;
int iscan = 32, stack_sub = 0;
while (iscan-- > 0)
{
- inst_t *inst = score_fetch_inst (cpc, NULL);
+ inst_t *inst = score_fetch_inst (gdbarch, cpc, NULL);
if (!inst)
break;
if (!inst->is15 && !stack_sub
static int
score_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR cur_pc)
{
- inst_t *inst = score_fetch_inst (cur_pc, NULL);
+ inst_t *inst = score_fetch_inst (gdbarch, cur_pc, NULL);
if (inst->v == 0x23)
return 1; /* mv! r0, r2 */
static void
score_analyze_prologue (CORE_ADDR startaddr, CORE_ADDR pc,
- struct frame_info *next_frame,
+ struct frame_info *this_frame,
struct score_frame_cache *this_cache)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
CORE_ADDR sp;
CORE_ADDR fp;
CORE_ADDR cur_pc = startaddr;
memblock_ptr = memblock =
score_malloc_and_get_memblock (startaddr, pc - startaddr);
- sp = frame_unwind_register_unsigned (next_frame, SCORE_SP_REGNUM);
- fp = frame_unwind_register_unsigned (next_frame, SCORE_FP_REGNUM);
+ sp = get_frame_register_unsigned (this_frame, SCORE_SP_REGNUM);
+ fp = get_frame_register_unsigned (this_frame, SCORE_FP_REGNUM);
for (; cur_pc < pc; prev_pc = cur_pc, cur_pc += inst_len)
{
/* Reading memory block from target succefully and got all
the instructions(from STARTADDR to PC) needed. */
score_adjust_memblock_ptr (&memblock, prev_pc, cur_pc);
- inst = score_fetch_inst (cur_pc, memblock);
+ inst = score_fetch_inst (gdbarch, cur_pc, memblock);
}
else
{
/* Otherwise, we fetch 4 bytes from target, and GDB also
work correctly. */
- inst = score_fetch_inst (cur_pc, NULL);
+ inst = score_fetch_inst (gdbarch, cur_pc, NULL);
}
if (inst->is15 == 1)
{
unsigned int save_v = inst->v;
inst_t *inst2 =
- score_fetch_inst (cur_pc + SCORE_INSTLEN, NULL);
+ score_fetch_inst (gdbarch, cur_pc + SCORE_INSTLEN, NULL);
if (inst2->v == 0x23)
{
/* mv! r0, r2 */
}
static struct score_frame_cache *
-score_make_prologue_cache (struct frame_info *next_frame, void **this_cache)
+score_make_prologue_cache (struct frame_info *this_frame, void **this_cache)
{
struct score_frame_cache *cache;
cache = FRAME_OBSTACK_ZALLOC (struct score_frame_cache);
(*this_cache) = cache;
- cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
+ cache->saved_regs = trad_frame_alloc_saved_regs (this_frame);
/* Analyze the prologue. */
{
- const CORE_ADDR pc = frame_pc_unwind (next_frame);
+ const CORE_ADDR pc = get_frame_pc (this_frame);
CORE_ADDR start_addr;
find_pc_partial_function (pc, NULL, &start_addr, NULL);
if (start_addr == 0)
return cache;
- score_analyze_prologue (start_addr, pc, next_frame, *this_cache);
+ score_analyze_prologue (start_addr, pc, this_frame, *this_cache);
}
/* Save SP. */
}
static void
-score_prologue_this_id (struct frame_info *next_frame, void **this_cache,
+score_prologue_this_id (struct frame_info *this_frame, void **this_cache,
struct frame_id *this_id)
{
- struct score_frame_cache *info = score_make_prologue_cache (next_frame,
+ struct score_frame_cache *info = score_make_prologue_cache (this_frame,
this_cache);
- (*this_id) = frame_id_build (info->base,
- frame_func_unwind (next_frame, NORMAL_FRAME));
+ (*this_id) = frame_id_build (info->base, get_frame_func (this_frame));
}
-static void
-score_prologue_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 *
+score_prologue_prev_register (struct frame_info *this_frame,
+ void **this_cache, int regnum)
{
- struct score_frame_cache *info = score_make_prologue_cache (next_frame,
+ struct score_frame_cache *info = score_make_prologue_cache (this_frame,
this_cache);
- trad_frame_get_prev_register (next_frame, info->saved_regs, regnum,
- optimizedp, lvalp, addrp, realnump, valuep);
+ return trad_frame_get_prev_register (this_frame, info->saved_regs, regnum);
}
static const struct frame_unwind score_prologue_unwind =
{
NORMAL_FRAME,
score_prologue_this_id,
- score_prologue_prev_register
+ score_prologue_prev_register,
+ NULL,
+ default_frame_sniffer
};
-static const struct frame_unwind *
-score_prologue_sniffer (struct frame_info *next_frame)
-{
- return &score_prologue_unwind;
-}
-
static CORE_ADDR
-score_prologue_frame_base_address (struct frame_info *next_frame,
+score_prologue_frame_base_address (struct frame_info *this_frame,
void **this_cache)
{
struct score_frame_cache *info =
- score_make_prologue_cache (next_frame, this_cache);
+ score_make_prologue_cache (this_frame, this_cache);
return info->fp;
}
};
static const struct frame_base *
-score_prologue_frame_base_sniffer (struct frame_info *next_frame)
+score_prologue_frame_base_sniffer (struct frame_info *this_frame)
{
return &score_prologue_frame_base;
}
/* Dummy frame hooks. */
set_gdbarch_return_value (gdbarch, score_return_value);
set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
- set_gdbarch_unwind_dummy_id (gdbarch, score_unwind_dummy_id);
+ set_gdbarch_dummy_id (gdbarch, score_dummy_id);
set_gdbarch_push_dummy_call (gdbarch, score_push_dummy_call);
/* Normal frame hooks. */
- frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer);
+ dwarf2_append_unwinders (gdbarch);
frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
- frame_unwind_append_sniffer (gdbarch, score_prologue_sniffer);
+ frame_unwind_append_unwinder (gdbarch, &score_prologue_unwind);
frame_base_append_sniffer (gdbarch, score_prologue_frame_base_sniffer);
return gdbarch;
projects / deliverable / binutils-gdb.git / blobdiff