/* Target-dependent code for the S+core architecture, for GDB,
the GNU Debugger.
- Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2006-2020 Free Software Foundation, Inc.
Contributed by Qinwei (qinwei@sunnorth.com.cn)
Contributed by Ching-Peng Lin (cplin@sunplus.com)
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "gdb_assert.h"
#include "inferior.h"
#include "symtab.h"
#include "objfiles.h"
((unsigned)((_i) << (31 - (_ms))) >> (31 - (_ms) + (_ls)))
typedef struct{
- unsigned long long v;
- unsigned long long raw;
- unsigned int len;
+ unsigned long long v;
+ unsigned long long raw;
+ unsigned int len;
}inst_t;
struct score_frame_cache
static int target_mach = bfd_mach_score7;
-#if WITH_SIM
-int
-score_target_can_use_watch (int type, int cnt, int othertype)
-{
- if (strcmp (current_target.to_shortname, "sim") == 0)
- return soc_gh_can_use_watch (type, cnt);
- return (*current_target.to_can_use_hw_breakpoint) (type, cnt, othertype);
-}
-
-int
-score_stopped_by_watch (void)
-{
- if (strcmp (current_target.to_shortname, "sim") == 0)
- return soc_gh_stopped_by_watch ();
- return (*current_target.to_stopped_by_watchpoint) ();
-}
-
-int
-score_target_insert_watchpoint (CORE_ADDR addr, int len, int type)
-{
- if (strcmp (current_target.to_shortname, "sim") == 0)
- return soc_gh_add_watch (addr, len, type);
- return (*current_target.to_insert_watchpoint) (addr, len, type);
-}
-
-int
-score_target_remove_watchpoint (CORE_ADDR addr, int len, int type)
-{
- if (strcmp (current_target.to_shortname, "sim") == 0)
- return soc_gh_del_watch (addr, len, type);
- return (*current_target.to_remove_watchpoint) (addr, len, type);
-}
-
-int
-score_target_insert_hw_breakpoint (struct gdbarch *gdbarch,
- struct bp_target_info * bp_tgt)
-{
- if (strcmp (current_target.to_shortname, "sim") == 0)
- return soc_gh_add_hardbp (bp_tgt->placed_address);
- return (*current_target.to_insert_hw_breakpoint) (gdbarch, bp_tgt);
-}
-
-int
-score_target_remove_hw_breakpoint (struct gdbarch *gdbarch,
- struct bp_target_info * bp_tgt)
-{
- if (strcmp (current_target.to_shortname, "sim") == 0)
- return soc_gh_del_hardbp (bp_tgt->placed_address);
- return (*current_target.to_remove_hw_breakpoint) (gdbarch, bp_tgt);
-}
-#endif
-
static struct type *
score_register_type (struct gdbarch *gdbarch, int regnum)
{
gdb_assert (regnum >= 0
- && regnum < ((target_mach == bfd_mach_score7) ? SCORE7_NUM_REGS : SCORE3_NUM_REGS));
+ && regnum < ((target_mach == bfd_mach_score7)
+ ? SCORE7_NUM_REGS : SCORE3_NUM_REGS));
return builtin_type (gdbarch)->builtin_uint32;
}
-static CORE_ADDR
-score_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
- return frame_unwind_register_unsigned (next_frame, SCORE_SP_REGNUM);
-}
-
-static CORE_ADDR
-score_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
- return frame_unwind_register_unsigned (next_frame, SCORE_PC_REGNUM);
-}
-
static const char *
score7_register_name (struct gdbarch *gdbarch, int regnum)
{
score_register_sim_regno (struct gdbarch *gdbarch, int regnum)
{
gdb_assert (regnum >= 0
- && regnum < ((target_mach == bfd_mach_score7) ? SCORE7_NUM_REGS : SCORE3_NUM_REGS));
+ && regnum < ((target_mach == bfd_mach_score7)
+ ? SCORE7_NUM_REGS : SCORE3_NUM_REGS));
return regnum;
}
#endif
-static int
-score_print_insn (bfd_vma memaddr, struct disassemble_info *info)
-{
- if (info->endian == BFD_ENDIAN_BIG)
- return print_insn_big_score (memaddr, info);
- else
- return print_insn_little_score (memaddr, info);
-}
-
static inst_t *
-score7_fetch_inst (struct gdbarch *gdbarch, CORE_ADDR addr, char *memblock)
+score7_fetch_inst (struct gdbarch *gdbarch, CORE_ADDR addr, gdb_byte *memblock)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
static inst_t inst = { 0, 0, 0 };
- char buf[SCORE_INSTLEN] = { 0 };
+ gdb_byte buf[SCORE_INSTLEN] = { 0 };
int big;
int ret;
ret = target_read_memory (addr & ~0x3, buf, SCORE_INSTLEN);
if (ret)
{
- error ("Error: target_read_memory in file:%s, line:%d!",
+ error (_("Error: target_read_memory in file:%s, line:%d!"),
__FILE__, __LINE__);
return 0;
}
#define EXTRACT_LEN 2
CORE_ADDR adjust_pc = *pcptr & ~0x1;
- int inst_len;
gdb_byte buf[5][EXTRACT_LEN] =
{
{'\0', '\0'},
buf[i][0] = '\0';
buf[i][1] = '\0';
if (i == 2)
- error ("Error: target_read_memory in file:%s, line:%d!",
+ error (_("Error: target_read_memory in file:%s, line:%d!"),
__FILE__, __LINE__);
}
return &inst;
}
-static const gdb_byte *
-score7_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
- int *lenptr)
+/* Implement the breakpoint_kind_from_pc gdbarch method. */
+
+static int
+score7_breakpoint_kind_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr)
{
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- gdb_byte buf[SCORE_INSTLEN] = { 0 };
int ret;
unsigned int raw;
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ gdb_byte buf[SCORE_INSTLEN] = { 0 };
if ((ret = target_read_memory (*pcptr & ~0x3, buf, SCORE_INSTLEN)) != 0)
{
- error ("Error: target_read_memory in file:%s, line:%d!",
- __FILE__, __LINE__);
+ error (_("Error: target_read_memory in file:%s, line:%d!"),
+ __FILE__, __LINE__);
}
raw = extract_unsigned_integer (buf, SCORE_INSTLEN, byte_order);
- if (byte_order == BFD_ENDIAN_BIG)
+ if (!(raw & 0x80008000))
{
- if (!(raw & 0x80008000))
- {
- /* 16bits instruction. */
- static gdb_byte big_breakpoint16[] = { 0x60, 0x02 };
- *pcptr &= ~0x1;
- *lenptr = sizeof (big_breakpoint16);
- return big_breakpoint16;
- }
+ /* 16bits instruction. */
+ *pcptr &= ~0x1;
+ return 2;
+ }
+ else
+ {
+ /* 32bits instruction. */
+ *pcptr &= ~0x3;
+ return 4;
+ }
+}
+
+/* Implement the sw_breakpoint_from_kind gdbarch method. */
+
+static const gdb_byte *
+score7_sw_breakpoint_from_kind (struct gdbarch *gdbarch, int kind, int *size)
+{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+
+ *size = kind;
+
+ if (kind == 4)
+ {
+ static gdb_byte big_breakpoint32[] = { 0x80, 0x00, 0x80, 0x06 };
+ static gdb_byte little_breakpoint32[] = { 0x06, 0x80, 0x00, 0x80 };
+
+ if (byte_order == BFD_ENDIAN_BIG)
+ return big_breakpoint32;
else
- {
- /* 32bits instruction. */
- static gdb_byte big_breakpoint32[] = { 0x80, 0x00, 0x80, 0x06 };
- *pcptr &= ~0x3;
- *lenptr = sizeof (big_breakpoint32);
- return big_breakpoint32;
- }
+ return little_breakpoint32;
}
else
{
- if (!(raw & 0x80008000))
- {
- /* 16bits instruction. */
- static gdb_byte little_breakpoint16[] = { 0x02, 0x60 };
- *pcptr &= ~0x1;
- *lenptr = sizeof (little_breakpoint16);
- return little_breakpoint16;
- }
+ static gdb_byte big_breakpoint16[] = { 0x60, 0x02 };
+ static gdb_byte little_breakpoint16[] = { 0x02, 0x60 };
+
+ if (byte_order == BFD_ENDIAN_BIG)
+ return big_breakpoint16;
else
- {
- /* 32bits instruction. */
- static gdb_byte little_breakpoint32[] = { 0x06, 0x80, 0x00, 0x80 };
- *pcptr &= ~0x3;
- *lenptr = sizeof (little_breakpoint32);
- return little_breakpoint32;
- }
+ return little_breakpoint16;
}
}
-static const gdb_byte *
-score3_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
- int *lenptr)
+/* Implement the breakpoint_kind_from_pc gdbarch method. */
+
+static int
+score3_breakpoint_kind_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- CORE_ADDR adjust_pc = *pcptr;
int len;
+
+ score3_adjust_pc_and_fetch_inst (pcptr, &len, byte_order);
+
+ return len;
+}
+
+/* Implement the sw_breakpoint_from_kind gdbarch method. */
+
+static const gdb_byte *
+score3_sw_breakpoint_from_kind (struct gdbarch *gdbarch, int kind, int *size)
+{
+ int index = 0;
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
static gdb_byte score_break_insns[6][6] = {
/* The following three instructions are big endian. */
{ 0x00, 0x20 },
{ 0x00, 0x80, 0x06, 0x00 },
{ 0x00, 0x80, 0x00, 0x80, 0x00, 0x00 }};
- gdb_byte *p = NULL;
- int index = 0;
-
- score3_adjust_pc_and_fetch_inst (&adjust_pc, &len, byte_order);
-
- index = ((byte_order == BFD_ENDIAN_BIG) ? 0 : 3) + (len / 2 - 1);
- p = score_break_insns[index];
-
- *pcptr = adjust_pc;
- *lenptr = len;
+ *size = kind;
- return p;
+ index = ((byte_order == BFD_ENDIAN_BIG) ? 0 : 3) + (kind / 2 - 1);
+ return score_break_insns[index];
}
static CORE_ADDR
{
int reg_offset = 0;
gdb_assert (regnum >= 0
- && regnum < ((target_mach == bfd_mach_score7) ? SCORE7_NUM_REGS : SCORE3_NUM_REGS));
+ && regnum < ((target_mach == bfd_mach_score7)
+ ? SCORE7_NUM_REGS : SCORE3_NUM_REGS));
switch (endian)
{
reg_offset = 0;
break;
default:
- error ("Error: score_xfer_register in file:%s, line:%d!",
+ error (_("Error: score_xfer_register in file:%s, line:%d!"),
__FILE__, __LINE__);
}
if (readbuf != NULL)
- regcache_cooked_read_part (regcache, regnum, reg_offset, length,
- readbuf + buf_offset);
+ regcache->cooked_read_part (regnum, reg_offset, length,
+ readbuf + buf_offset);
if (writebuf != NULL)
- regcache_cooked_write_part (regcache, regnum, reg_offset, length,
- writebuf + buf_offset);
+ regcache->cooked_write_part (regnum, reg_offset, length,
+ writebuf + buf_offset);
}
static enum return_value_convention
-score_return_value (struct gdbarch *gdbarch, struct type *func_type,
+score_return_value (struct gdbarch *gdbarch, struct value *function,
struct type *type, struct regcache *regcache,
gdb_byte * readbuf, const gdb_byte * writebuf)
{
offset += SCORE_REGSIZE, regnum++)
{
int xfer = SCORE_REGSIZE;
+
if (offset + xfer > TYPE_LENGTH (type))
xfer = TYPE_LENGTH (type) - offset;
score_xfer_register (regcache, regnum, xfer,
}
}
-static struct frame_id
-score_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
-{
- return frame_id_build (
- get_frame_register_unsigned (this_frame, SCORE_SP_REGNUM),
- get_frame_pc (this_frame));
-}
-
static int
score_type_needs_double_align (struct type *type)
{
score_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, CORE_ADDR struct_addr)
+ function_call_return_method return_method,
+ CORE_ADDR struct_addr)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int argnum;
/* Step 3, Check if struct return then save the struct address to
r4 and increase the stack_offset by 4. */
- if (struct_return)
+ if (return_method == return_method_struct)
{
regcache_cooked_write_unsigned (regcache, argreg++, struct_addr);
stack_offset += SCORE_REGSIZE;
enum type_code typecode = TYPE_CODE (arg_type);
const gdb_byte *val = value_contents (arg);
int downward_offset = 0;
- int odd_sized_struct_p;
int arg_last_part_p = 0;
arglen = TYPE_LENGTH (arg_type);
- odd_sized_struct_p = (arglen > SCORE_REGSIZE
- && arglen % SCORE_REGSIZE != 0);
/* If a arg should be aligned to 8 bytes (long long or double),
the value should be put to even register numbers. */
while (iscan-- > 0)
{
inst_t *inst
- = score3_adjust_pc_and_fetch_inst (&cpc, NULL, gdbarch_byte_order (gdbarch));
+ = score3_adjust_pc_and_fetch_inst (&cpc, NULL,
+ gdbarch_byte_order (gdbarch));
if (!inst)
break;
return pc;
}
+/* Implement the stack_frame_destroyed_p gdbarch method. */
+
static int
-score7_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR cur_pc)
+score7_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR cur_pc)
{
inst_t *inst = score7_fetch_inst (gdbarch, cur_pc, NULL);
return 0;
}
+/* Implement the stack_frame_destroyed_p gdbarch method. */
+
static int
-score3_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR cur_pc)
+score3_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR cur_pc)
{
CORE_ADDR pc = cur_pc;
inst_t *inst
- = score3_adjust_pc_and_fetch_inst (&pc, NULL, gdbarch_byte_order (gdbarch));
+ = score3_adjust_pc_and_fetch_inst (&pc, NULL,
+ gdbarch_byte_order (gdbarch));
if (inst->len == 2
&& (G_FLD (inst->v, 14, 10) == 0x10)
return 0;
}
-static char *
+static gdb_byte *
score7_malloc_and_get_memblock (CORE_ADDR addr, CORE_ADDR size)
{
int ret;
- char *memblock = NULL;
+ gdb_byte *memblock = NULL;
- if (size < 0)
- {
- error ("Error: malloc size < 0 in file:%s, line:%d!",
- __FILE__, __LINE__);
- return NULL;
- }
- else if (size == 0)
+ if (size == 0)
return NULL;
- memblock = (char *) xmalloc (size);
+ memblock = (gdb_byte *) xmalloc (size);
memset (memblock, 0, size);
ret = target_read_memory (addr & ~0x3, memblock, size);
if (ret)
{
- error ("Error: target_read_memory in file:%s, line:%d!",
+ error (_("Error: target_read_memory in file:%s, line:%d!"),
__FILE__, __LINE__);
return NULL;
}
}
static void
-score7_free_memblock (char *memblock)
+score7_free_memblock (gdb_byte *memblock)
{
xfree (memblock);
}
static void
-score7_adjust_memblock_ptr (char **memblock, CORE_ADDR prev_pc,
+score7_adjust_memblock_ptr (gdb_byte **memblock, CORE_ADDR prev_pc,
CORE_ADDR cur_pc)
{
if (prev_pc == -1)
int fp_offset_p = 0;
int inst_len = 0;
- char *memblock = NULL;
- char *memblock_ptr = NULL;
+ gdb_byte *memblock = NULL;
+ gdb_byte *memblock_ptr = NULL;
CORE_ADDR prev_pc = -1;
/* Allocate MEMBLOCK if PC - STARTADDR > 0. */
inst_t *inst = NULL;
if (memblock != NULL)
{
- /* Reading memory block from target succefully and got all
+ /* Reading memory block from target successfully and got all
the instructions(from STARTADDR to PC) needed. */
score7_adjust_memblock_ptr (&memblock, prev_pc, cur_pc);
inst = score7_fetch_inst (gdbarch, cur_pc, memblock);
inst = score7_fetch_inst (gdbarch, cur_pc, NULL);
}
- /* FIXME: make a full-power prologue analyzer */
+ /* FIXME: make a full-power prologue analyzer. */
if (inst->len == 2)
{
inst_len = SCORE16_INSTLEN;
&& G_FLD (inst->v, 2, 0) == 0x0)
{
/* subei! r0, n */
- sp_offset += (int) pow (2, G_FLD (inst->v, 6, 3));
+ sp_offset += (int) pow (2.0, G_FLD (inst->v, 6, 3));
}
else if (G_FLD (inst->v, 14, 7) == 0xc0
&& G_FLD (inst->v, 2, 0) == 0x0)
{
/* addei! r0, n */
- sp_offset -= (int) pow (2, G_FLD (inst->v, 6, 3));
+ /* Solaris 11+gcc 5.5 has ambiguous overloads of pow, so we
+ pass 2.0 instead of 2 to get the right one. */
+ sp_offset -= (int) pow (2.0, G_FLD (inst->v, 6, 3));
}
}
else
CORE_ADDR sp;
CORE_ADDR fp;
CORE_ADDR cur_pc = startaddr;
- enum bfd_endian byte_order = gdbarch_byte_order (get_frame_arch (this_frame));
+ enum bfd_endian byte_order
+ = gdbarch_byte_order (get_frame_arch (this_frame));
int sp_offset = 0;
int ra_offset = 0;
int fp_offset_p = 0;
int inst_len = 0;
- CORE_ADDR prev_pc = -1;
-
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)
+ for (; cur_pc < pc; cur_pc += inst_len)
{
inst_t *inst = NULL;
inst = score3_adjust_pc_and_fetch_inst (&cur_pc, &inst_len, byte_order);
- /* FIXME: make a full-power prologue analyzer */
+ /* FIXME: make a full-power prologue analyzer. */
if (inst->len == 2)
{
if (G_FLD (inst->v, 14, 12) == 0x0
/* addi! r2, offset */
if (pc - cur_pc >= 2)
{
- unsigned int save_v = inst->v;
inst_t *inst2;
cur_pc += inst->len;
- inst2 = score3_adjust_pc_and_fetch_inst (&cur_pc, NULL, byte_order);
+ inst2 = score3_adjust_pc_and_fetch_inst (&cur_pc, NULL,
+ byte_order);
if (inst2->len == 2
&& G_FLD (inst2->v, 14, 10) == 0x10
/* addi r2, offset */
if (pc - cur_pc >= 2)
{
- unsigned int save_v = inst->v;
inst_t *inst2;
cur_pc += inst->len;
- inst2 = score3_adjust_pc_and_fetch_inst (&cur_pc, NULL, byte_order);
+ inst2 = score3_adjust_pc_and_fetch_inst (&cur_pc, NULL,
+ byte_order);
if (inst2->len == 2
&& G_FLD (inst2->v, 14, 10) == 0x10
struct score_frame_cache *cache;
if ((*this_cache) != NULL)
- return (*this_cache);
+ return (struct score_frame_cache *) (*this_cache);
cache = FRAME_OBSTACK_ZALLOC (struct score_frame_cache);
(*this_cache) = cache;
return cache;
if (target_mach == bfd_mach_score3)
- score3_analyze_prologue (start_addr, pc, this_frame, *this_cache);
+ score3_analyze_prologue (start_addr, pc, this_frame,
+ (struct score_frame_cache *) *this_cache);
else
- score7_analyze_prologue (start_addr, pc, this_frame, *this_cache);
+ score7_analyze_prologue (start_addr, pc, this_frame,
+ (struct score_frame_cache *) *this_cache);
}
/* Save SP. */
trad_frame_set_value (cache->saved_regs, SCORE_SP_REGNUM, cache->base);
- return (*this_cache);
+ return (struct score_frame_cache *) (*this_cache);
}
static void
static const struct frame_unwind score_prologue_unwind =
{
NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
score_prologue_this_id,
score_prologue_prev_register,
NULL,
return &score_prologue_frame_base;
}
-/* Core file support (dirty hack)
-
- The core file MUST be generated by GNU/Linux on S+core */
+/* Core file support. */
+
+static const struct regcache_map_entry score7_linux_gregmap[] =
+ {
+ /* FIXME: According to the current Linux kernel, r0 is preceded by
+ 9 rather than 7 words. */
+ { 7, REGCACHE_MAP_SKIP, 4 },
+ { 32, 0, 4 }, /* r0 ... r31 */
+ { 1, 55, 4 }, /* CEL */
+ { 1, 54, 4 }, /* CEH */
+ { 1, 53, 4 }, /* sr0, i.e. cnt or COUNTER */
+ { 1, 52, 4 }, /* sr1, i.e. lcr or LDCR */
+ { 1, 51, 4 }, /* sr2, i.e. scr or STCR */
+ { 1, 49, 4 }, /* PC (same slot as EPC) */
+ { 1, 38, 4 }, /* EMA */
+ { 1, 32, 4 }, /* PSR */
+ { 1, 34, 4 }, /* ECR */
+ { 1, 33, 4 }, /* COND */
+ { 0 }
+ };
+
+#define SCORE7_LINUX_EPC_OFFSET (44 * 4)
+#define SCORE7_LINUX_SIZEOF_GREGSET (49 * 4)
static void
score7_linux_supply_gregset(const struct regset *regset,
- struct regcache *regcache,
- int regnum, const void *gregs_buf, size_t len)
+ struct regcache *regcache,
+ int regnum, const void *buf,
+ size_t size)
{
- int regno;
- elf_gregset_t *gregs;
-
- gdb_assert (regset != NULL);
- gdb_assert ((regcache != NULL) && (gregs_buf != NULL));
-
- gregs = (elf_gregset_t *) gregs_buf;
-
- for (regno = 0; regno < 32; regno++)
- if (regnum == -1 || regnum == regno)
- regcache_raw_supply (regcache, regno, gregs->regs + regno);
-
- {
- struct sreg {
- int regnum;
- void *buf;
- } sregs [] = {
- { 55, &(gregs->cel) }, /* CEL */
- { 54, &(gregs->ceh) }, /* CEH */
- { 53, &(gregs->sr0) }, /* sr0, i.e. cnt or COUNTER */
- { 52, &(gregs->sr1) }, /* sr1, i.e. lcr or LDCR */
- { 51, &(gregs->sr1) }, /* sr2, i.e. scr or STCR */
-
- /* Exception occured at this address, exactly the PC we want */
- { 49, &(gregs->cp0_epc) }, /* PC */
-
- { 38, &(gregs->cp0_ema) }, /* EMA */
- { 37, &(gregs->cp0_epc) }, /* EPC */
- { 34, &(gregs->cp0_ecr) }, /* ECR */
- { 33, &(gregs->cp0_condition) }, /* COND */
- { 32, &(gregs->cp0_psr) }, /* PSR */
- };
-
- for (regno = 0; regno < sizeof(sregs)/sizeof(sregs[0]); regno++)
- if (regnum == -1 || regnum == sregs[regno].regnum)
- regcache_raw_supply (regcache, sregs[regno].regnum, sregs[regno].buf);
- }
+ regcache_supply_regset (regset, regcache, regnum, buf, size);
+
+ /* Supply the EPC from the same slot as the PC. Note that the
+ collect function will store the PC in that slot. */
+ if ((regnum == -1 || regnum == SCORE_EPC_REGNUM)
+ && size >= SCORE7_LINUX_EPC_OFFSET + 4)
+ regcache->raw_supply
+ (SCORE_EPC_REGNUM, (const gdb_byte *) buf + SCORE7_LINUX_EPC_OFFSET);
}
-/* Return the appropriate register set from the core section identified
- by SECT_NAME and SECT_SIZE. */
-
-static const struct regset *
-score7_linux_regset_from_core_section(struct gdbarch *gdbarch,
- const char *sect_name, size_t sect_size)
-{
- struct gdbarch_tdep *tdep;
-
- gdb_assert (gdbarch != NULL);
- gdb_assert (sect_name != NULL);
-
- tdep = gdbarch_tdep (gdbarch);
+static const struct regset score7_linux_gregset =
+ {
+ score7_linux_gregmap,
+ score7_linux_supply_gregset,
+ regcache_collect_regset
+ };
- if (strcmp(sect_name, ".reg") == 0 && sect_size == sizeof(elf_gregset_t))
- {
- if (tdep->gregset == NULL)
- tdep->gregset = regset_alloc (gdbarch, score7_linux_supply_gregset, NULL);
- return tdep->gregset;
- }
+/* Iterate over core file register note sections. */
- return NULL;
+static void
+score7_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
+ iterate_over_regset_sections_cb *cb,
+ void *cb_data,
+ const struct regcache *regcache)
+{
+ cb (".reg", SCORE7_LINUX_SIZEOF_GREGSET, SCORE7_LINUX_SIZEOF_GREGSET,
+ &score7_linux_gregset, NULL, cb_data);
}
static struct gdbarch *
score_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
struct gdbarch *gdbarch;
- struct gdbarch_tdep *tdep;
target_mach = info.bfd_arch_info->mach;
arches = gdbarch_list_lookup_by_info (arches, &info);
{
return (arches->gdbarch);
}
- tdep = xcalloc(1, sizeof(struct gdbarch_tdep));
- gdbarch = gdbarch_alloc (&info, tdep);
+ gdbarch = gdbarch_alloc (&info, NULL);
set_gdbarch_short_bit (gdbarch, 16);
set_gdbarch_int_bit (gdbarch, 32);
#endif
set_gdbarch_pc_regnum (gdbarch, SCORE_PC_REGNUM);
set_gdbarch_sp_regnum (gdbarch, SCORE_SP_REGNUM);
- set_gdbarch_adjust_breakpoint_address (gdbarch, score_adjust_breakpoint_address);
+ set_gdbarch_adjust_breakpoint_address (gdbarch,
+ score_adjust_breakpoint_address);
set_gdbarch_register_type (gdbarch, score_register_type);
set_gdbarch_frame_align (gdbarch, score_frame_align);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
- set_gdbarch_unwind_sp (gdbarch, score_unwind_sp);
- set_gdbarch_unwind_pc (gdbarch, score_unwind_pc);
- set_gdbarch_print_insn (gdbarch, score_print_insn);
switch (target_mach)
{
case bfd_mach_score7:
- set_gdbarch_breakpoint_from_pc (gdbarch, score7_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch,
+ score7_breakpoint_kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch,
+ score7_sw_breakpoint_from_kind);
set_gdbarch_skip_prologue (gdbarch, score7_skip_prologue);
- set_gdbarch_in_function_epilogue_p (gdbarch, score7_in_function_epilogue_p);
+ set_gdbarch_stack_frame_destroyed_p (gdbarch,
+ score7_stack_frame_destroyed_p);
set_gdbarch_register_name (gdbarch, score7_register_name);
set_gdbarch_num_regs (gdbarch, SCORE7_NUM_REGS);
- /* Core file support. */
- set_gdbarch_regset_from_core_section (gdbarch, score7_linux_regset_from_core_section);
+ /* Core file support. */
+ set_gdbarch_iterate_over_regset_sections
+ (gdbarch, score7_linux_iterate_over_regset_sections);
break;
case bfd_mach_score3:
- set_gdbarch_breakpoint_from_pc (gdbarch, score3_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch,
+ score3_breakpoint_kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch,
+ score3_sw_breakpoint_from_kind);
set_gdbarch_skip_prologue (gdbarch, score3_skip_prologue);
- set_gdbarch_in_function_epilogue_p (gdbarch, score3_in_function_epilogue_p);
+ set_gdbarch_stack_frame_destroyed_p (gdbarch,
+ score3_stack_frame_destroyed_p);
set_gdbarch_register_name (gdbarch, score3_register_name);
set_gdbarch_num_regs (gdbarch, SCORE3_NUM_REGS);
break;
/* Dummy frame hooks. */
set_gdbarch_return_value (gdbarch, score_return_value);
set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
- set_gdbarch_dummy_id (gdbarch, score_dummy_id);
set_gdbarch_push_dummy_call (gdbarch, score_push_dummy_call);
/* Normal frame hooks. */
return gdbarch;
}
-extern initialize_file_ftype _initialize_score_tdep;
-
void
_initialize_score_tdep (void)
{
projects / deliverable / binutils-gdb.git / blobdiff