#include "gdbcmd.h"
#include "gdb_assert.h"
#include "dis-asm.h"
+#include "dwarf2-frame.h"
+#include "frame.h"
+#include "frame-base.h"
+#include "frame-unwind.h"
/* Extra info which is saved in each frame_info. */
struct frame_extra_info
enum gdb_regnum
{
E_R0_REGNUM, E_ER0_REGNUM = E_R0_REGNUM, E_ARG0_REGNUM = E_R0_REGNUM,
- E_RET0_REGNUM = E_R0_REGNUM,
+ E_RET0_REGNUM = E_R0_REGNUM,
E_R1_REGNUM, E_ER1_REGNUM = E_R1_REGNUM, E_RET1_REGNUM = E_R1_REGNUM,
E_R2_REGNUM, E_ER2_REGNUM = E_R2_REGNUM, E_ARGLAST_REGNUM = E_R2_REGNUM,
E_R3_REGNUM, E_ER3_REGNUM = E_R3_REGNUM,
E_VBR_REGNUM
};
+#define H8300_MAX_NUM_REGS 18
+
#define E_PSEUDO_CCR_REGNUM (NUM_REGS)
#define E_PSEUDO_EXR_REGNUM (NUM_REGS+1)
{
int w = read_memory_unsigned_integer (pc, 2);
- if (((w & 0xff88) == 0x0c88 /* mov.b Rsl, Rdl */
- || (w & 0xff88) == 0x0d00 /* mov.w Rs, Rd */
- || (w & 0xff88) == 0x0f80) /* mov.l Rs, Rd */
- && (w & 0x70) <= 0x20 /* Rs is R0, R1 or R2 */
- && (w & 0x7) >= 0x3 && (w & 0x7) <= 0x5)/* Rd is R3, R4 or R5 */
+ if (((w & 0xff88) == 0x0c88 /* mov.b Rsl, Rdl */
+ || (w & 0xff88) == 0x0d00 /* mov.w Rs, Rd */
+ || (w & 0xff88) == 0x0f80) /* mov.l Rs, Rd */
+ && (w & 0x70) <= 0x20 /* Rs is R0, R1 or R2 */
+ && (w & 0x7) >= 0x3 && (w & 0x7) <= 0x5) /* Rd is R3, R4 or R5 */
return 2;
- if ((w & 0xfff0) == 0x6ee0 /* mov.b Rs,@(d:16,er6) */
- && 8 <= (w & 0xf) && (w & 0xf) <= 10) /* Rs is R0L, R1L, or R2L */
+ if ((w & 0xfff0) == 0x6ee0 /* mov.b Rs,@(d:16,er6) */
+ && 8 <= (w & 0xf) && (w & 0xf) <= 10) /* Rs is R0L, R1L, or R2L */
{
int w2 = read_memory_integer (pc + 2, 2);
/* ... and d:16 is negative. */
if (w2 < 0)
- return 4;
+ return 4;
}
else if (w == 0x7860)
{
int w2 = read_memory_integer (pc + 2, 2);
- if ((w2 & 0xfff0) == 0x6aa0) /* mov.b Rs, @(d:24,er6) */
- {
- LONGEST disp = read_memory_integer (pc + 4, 4);
+ if ((w2 & 0xfff0) == 0x6aa0) /* mov.b Rs, @(d:24,er6) */
+ {
+ LONGEST disp = read_memory_integer (pc + 4, 4);
- /* ... and d:24 is negative. */
- if (disp < 0 && disp > 0xffffff)
- return 8;
- }
+ /* ... and d:24 is negative. */
+ if (disp < 0 && disp > 0xffffff)
+ return 8;
+ }
}
- else if ((w & 0xfff0) == 0x6fe0 /* mov.w Rs,@(d:16,er6) */
- && (w & 0xf) <= 2) /* Rs is R0, R1, or R2 */
+ else if ((w & 0xfff0) == 0x6fe0 /* mov.w Rs,@(d:16,er6) */
+ && (w & 0xf) <= 2) /* Rs is R0, R1, or R2 */
{
int w2 = read_memory_integer (pc + 2, 2);
/* ... and d:16 is negative. */
if (w2 < 0)
- return 4;
+ return 4;
}
else if (w == 0x78e0)
{
int w2 = read_memory_integer (pc + 2, 2);
- if ((w2 & 0xfff0) == 0x6ba0) /* mov.b Rs, @(d:24,er6) */
- {
- LONGEST disp = read_memory_integer (pc + 4, 4);
+ if ((w2 & 0xfff0) == 0x6ba0) /* mov.b Rs, @(d:24,er6) */
+ {
+ LONGEST disp = read_memory_integer (pc + 4, 4);
- /* ... and d:24 is negative. */
- if (disp < 0 && disp > 0xffffff)
- return 8;
- }
+ /* ... and d:24 is negative. */
+ if (disp < 0 && disp > 0xffffff)
+ return 8;
+ }
}
else if (w == 0x0100)
{
int w2 = read_memory_integer (pc + 2, 2);
- if ((w2 & 0xfff0) == 0x6fe0 /* mov.l Rs,@(d:16,er6) */
- && (w2 & 0xf) <= 2) /* Rs is ER0, ER1, or ER2 */
- {
- int w3 = read_memory_integer (pc + 4, 2);
+ if ((w2 & 0xfff0) == 0x6fe0 /* mov.l Rs,@(d:16,er6) */
+ && (w2 & 0xf) <= 2) /* Rs is ER0, ER1, or ER2 */
+ {
+ int w3 = read_memory_integer (pc + 4, 2);
- /* ... and d:16 is negative. */
- if (w3 < 0)
- return 6;
- }
+ /* ... and d:16 is negative. */
+ if (w3 < 0)
+ return 6;
+ }
else if (w2 == 0x78e0)
- {
- int w3 = read_memory_integer (pc + 4, 2);
-
- if ((w3 & 0xfff0) == 0x6ba0) /* mov.l Rs, @(d:24,er6) */
- {
- LONGEST disp = read_memory_integer (pc + 6, 4);
-
- /* ... and d:24 is negative. */
- if (disp < 0 && disp > 0xffffff)
- return 10;
- }
- }
+ {
+ int w3 = read_memory_integer (pc + 4, 2);
+
+ if ((w3 & 0xfff0) == 0x6ba0) /* mov.l Rs, @(d:24,er6) */
+ {
+ LONGEST disp = read_memory_integer (pc + 6, 4);
+
+ /* ... and d:24 is negative. */
+ if (disp < 0 && disp > 0xffffff)
+ return 10;
+ }
+ }
}
return 0;
{
int spill_size = h8300_is_argument_spill (start_pc);
if (spill_size == 0)
- break;
+ break;
start_pc += spill_size;
}
return start_pc;
}
-/* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
- is not the address of a valid instruction, the address of the next
- instruction beyond ADDR otherwise. *PWORD1 receives the first word
- of the instruction. */
-
static CORE_ADDR
-h8300_next_prologue_insn (CORE_ADDR addr,
- CORE_ADDR lim,
- unsigned short* pword1)
+h8300_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
- char buf[2];
- if (addr < lim + 8)
- {
- read_memory (addr, buf, 2);
- *pword1 = extract_signed_integer (buf, 2);
+ char buf[8];
- return addr + 2;
- }
- return 0;
+ frame_unwind_register (next_frame, E_PC_REGNUM, buf);
+ return extract_typed_address (buf, builtin_type_void_func_ptr);
}
-/* Examine the prologue of a function. `ip' points to the first instruction.
- `limit' is the limit of the prologue (e.g. the addr of the first
- linenumber, or perhaps the program counter if we're stepping through).
- `frame_sp' is the stack pointer value in use in this frame.
- `fsr' is a pointer to a frame_saved_regs structure into which we put
- info about the registers saved by this frame.
- `fi' is a struct frame_info pointer; we fill in various fields in it
- to reflect the offsets of the arg pointer and the locals pointer. */
-
-/* Any function with a frame looks like this
- SECOND ARG
- FIRST ARG
- RET PC
- SAVED R2
- SAVED R3
- SAVED FP <-FP POINTS HERE
- LOCALS0
- LOCALS1 <-SP POINTS HERE
- */
+static struct frame_id
+h8300_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
+{
+ char buf[4];
+ CORE_ADDR fp;
-static CORE_ADDR
-h8300_examine_prologue (CORE_ADDR ip, CORE_ADDR limit,
- CORE_ADDR after_prolog_fp, CORE_ADDR *fsr,
- struct frame_info *fi)
+ frame_unwind_register (next_frame, E_FP_REGNUM, buf);
+ fp = extract_unsigned_integer (buf, 4);
+
+ return frame_id_build (fp, frame_pc_unwind (next_frame));
+}
+
+struct h8300_frame_cache
{
- CORE_ADDR next_ip;
- int r;
- int have_fp = 0;
- unsigned short insn_word;
- /* Number of things pushed onto stack, starts at 2/4, 'cause the
- PC is already there */
- unsigned int reg_save_depth = BINWORD;
+ /* Base address. */
+ CORE_ADDR base;
+ CORE_ADDR sp_offset;
+ CORE_ADDR pc;
- unsigned int auto_depth = 0; /* Number of bytes of autos */
+ /* Saved registers. */
+ CORE_ADDR saved_regs[H8300_MAX_NUM_REGS];
+ CORE_ADDR saved_sp;
- char in_frame[11]; /* One for each reg */
+ /* Stack space reserved for local variables. */
+ long locals;
+};
- int adjust = 0;
+/* Normal frames. */
- memset (in_frame, 1, 11);
- for (r = 0; r < 8; r++)
- {
- fsr[r] = 0;
- }
- if (after_prolog_fp == 0)
- {
- after_prolog_fp = read_register (E_SP_REGNUM);
- }
+/* Allocate and initialize a frame cache. */
- /* If the PC isn't valid, quit now. */
- if (ip == 0 || ip & (is_h8300hmode (current_gdbarch) &&
- !is_h8300_normal_mode (current_gdbarch) ? ~0xffffff : ~0xffff))
- return 0;
+static struct h8300_frame_cache *
+h8300_alloc_frame_cache (void)
+{
+ struct h8300_frame_cache *cache;
+ int i;
- next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
+ cache = FRAME_OBSTACK_ZALLOC (struct h8300_frame_cache);
- if (insn_word == 0x0100) /* mov.l */
- {
- insn_word = read_memory_unsigned_integer (ip + 2, 2);
- adjust = 2;
- }
+ /* Base address. */
+ cache->base = 0;
+ cache->sp_offset = -4;
+ cache->pc = 0;
- /* Skip over any fp push instructions */
- fsr[E_FP_REGNUM] = after_prolog_fp;
- while (next_ip && IS_PUSH_FP (insn_word))
- {
- ip = next_ip + adjust;
+ /* Saved registers. We initialize these to -1 since zero is a valid
+ offset (that's where %fp is supposed to be stored). */
+ for (i = 0; i < NUM_REGS; i++)
+ cache->saved_regs[i] = -1;
- in_frame[insn_word & 0x7] = reg_save_depth;
- next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
- reg_save_depth += 2 + adjust;
- }
+ /* Frameless until proven otherwise. */
+ cache->locals = -1;
- /* Is this a move into the fp */
- if (next_ip && IS_MOV_SP_FP (insn_word))
- {
- ip = next_ip;
- next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
- have_fp = 1;
- }
+ return cache;
+}
- /* Skip over any stack adjustment, happens either with a number of
- sub#2,sp or a mov #x,r5 sub r5,sp */
+/* Check whether PC points at a code that sets up a new stack frame.
+ If so, it updates CACHE and returns the address of the first
+ instruction after the sequence that sets removes the "hidden"
+ argument from the stack or CURRENT_PC, whichever is smaller.
+ Otherwise, return PC. */
- if (next_ip && (IS_SUB2_SP (insn_word) || IS_SUB4_SP (insn_word)))
- {
- while (next_ip && (IS_SUB2_SP (insn_word) || IS_SUB4_SP (insn_word)))
- {
- auto_depth += IS_SUB2_SP (insn_word) ? 2 : 4;
- ip = next_ip;
- next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
- }
- }
- else
+static CORE_ADDR
+h8300_analyze_frame_setup (CORE_ADDR pc, CORE_ADDR current_pc,
+ struct h8300_frame_cache *cache)
+{
+ unsigned int op;
+ int subs_count;
+
+ if (pc >= current_pc)
+ return current_pc;
+
+ op = read_memory_unsigned_integer (pc, 4);
+
+ if (op == 0x6df60d76)
{
- if (next_ip && IS_MOVK_R5 (insn_word))
+ /* mov.w r6,@-sp; mov.w sp,r6 */
+ cache->saved_regs[E_FP_REGNUM] = 0;
+ cache->sp_offset += 2;
+ op = read_memory_unsigned_integer (pc + 4, 4);
+ if (((op >> 16) & 0xfff0) == 0x7900)
{
- ip = next_ip;
- next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
- auto_depth += insn_word;
-
- next_ip = h8300_next_prologue_insn (next_ip, limit, &insn_word);
- auto_depth += insn_word;
+ /* mov.w #imm,rN */
+ cache->locals = -(short) (op & 0xffff);
+ return pc + 8;
}
- if (next_ip && IS_SUBL_SP (insn_word))
+ else if ((op >> 16) == 0x1b87)
{
- ip = next_ip;
- auto_depth += read_memory_unsigned_integer (ip, 4);
- ip += 4;
-
- next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
+ /* subs #2,sp */
+ for (cache->locals = 0, pc += 4;
+ read_memory_unsigned_integer (pc, 2) == 0x1b87;
+ pc += 2, cache->locals += 2);
+ return pc;
}
}
-
- /* Now examine the push insns to determine where everything lives
- on the stack. */
- while (1)
+ else if (op == 0x01006df6)
{
- adjust = 0;
- if (!next_ip)
- break;
-
- if (insn_word == 0x0100)
+ /* mov.l er6,@-sp */
+ op = read_memory_unsigned_integer (pc + 4, 2);
+ if (op == 0x0ff6)
{
- ip = next_ip;
- next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
- adjust = 2;
+ /* mov.l sp,er6 */
+ op = read_memory_unsigned_integer (pc + 6, 2);
+ if (op == 0x7a17)
+ {
+ /* add.l #-n,sp */
+ cache->locals = -read_memory_unsigned_integer (pc + 8, 4);
+ return pc + 12;
+ }
+ else if (op == 0x1b97)
+ {
+ /* subs #4,sp */
+ for (cache->locals = 0, pc += 6;
+ read_memory_unsigned_integer (pc, 2) == 0x1b97;
+ pc += 2, cache->locals += 2);
+ return pc;
+ }
}
+ }
- if (IS_PUSH (insn_word))
- {
- auto_depth += 2 + adjust;
- fsr[insn_word & 0x7] = after_prolog_fp - auto_depth;
- ip = next_ip;
- next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
- continue;
- }
+ return pc;
+}
- /* Now check for push multiple insns. */
- if (insn_word == 0x0110 || insn_word == 0x0120 || insn_word == 0x0130)
- {
- int count = ((insn_word >> 4) & 0xf) + 1;
- int start, i;
+/* Check whether PC points at code that saves registers on the stack.
+ If so, it updates CACHE and returns the address of the first
+ instruction after the register saves or CURRENT_PC, whichever is
+ smaller. Otherwise, return PC. */
- ip = next_ip;
- next_ip = h8300_next_prologue_insn (ip, limit, &insn_word);
- start = insn_word & 0x7;
+static CORE_ADDR
+h8300_analyze_register_saves (CORE_ADDR pc, CORE_ADDR current_pc,
+ struct h8300_frame_cache *cache)
+{
+ if (cache->locals >= 0)
+ {
+ CORE_ADDR offset;
+ int op;
+ int i, regno;
- for (i = start; i < start + count; i++)
+ offset = -cache->locals;
+ while (pc < current_pc)
+ {
+ op = read_memory_unsigned_integer (pc, 2);
+ if ((op & 0xfff0) == 0x6df0)
{
- auto_depth += 4;
- fsr[i] = after_prolog_fp - auto_depth;
+ /* mov.w rN,@-sp */
+ regno = op & 0x000f;
+ cache->saved_regs[regno] = offset;
+ offset -= 2;
+ pc += 2;
}
+ else if (op == 0x0100)
+ {
+ op = read_memory_unsigned_integer (pc + 2, 2);
+ if ((op & 0xfff0) == 0x6df0)
+ {
+ /* mov.l erN,@-sp */
+ regno = op & 0x000f;
+ cache->saved_regs[regno] = offset;
+ offset -= 4;
+ pc += 4;
+ }
+ else
+ break;
+ }
+ else if ((op & 0xffcf) == 0x0100)
+ {
+ int op1;
+ op1 = read_memory_unsigned_integer (pc + 2, 2);
+ if ((op1 & 0xfff0) == 0x6df0)
+ {
+ /* stm.l reglist,@-sp */
+ i = ((op & 0x0030) >> 4) + 1;
+ regno = op1 & 0x000f;
+ for (; i > 0; regno++, --i)
+ {
+ cache->saved_regs[regno] = offset;
+ offset -= 4;
+ }
+ pc += 4;
+ }
+ else
+ break;
+ }
+ else
+ break;
}
- break;
}
+ return pc;
+}
- /* The PC is at a known place */
- get_frame_extra_info (fi)->from_pc =
- read_memory_unsigned_integer (after_prolog_fp + BINWORD, BINWORD);
- /* Rememeber any others too */
- in_frame[E_PC_REGNUM] = 0;
+/* Do a full analysis of the prologue at PC and update CACHE
+ accordingly. Bail out early if CURRENT_PC is reached. Return the
+ address where the analysis stopped.
- if (have_fp)
- /* We keep the old FP in the SP spot */
- fsr[E_SP_REGNUM] = read_memory_unsigned_integer (fsr[E_FP_REGNUM],
- BINWORD);
- else
- fsr[E_SP_REGNUM] = after_prolog_fp + auto_depth;
+ We handle all cases that can be generated by gcc.
- return (ip);
-}
+ For allocating a stack frame:
-static void
-h8300_frame_init_saved_regs (struct frame_info *fi)
-{
- CORE_ADDR func_addr, func_end;
+ mov.w r6,@-sp
+ mov.w sp,r6
+ mov.w #-n,rN
+ add.w rN,sp
- if (!deprecated_get_frame_saved_regs (fi))
- {
- frame_saved_regs_zalloc (fi);
-
- /* Find the beginning of this function, so we can analyze its
- prologue. */
- if (find_pc_partial_function (get_frame_pc (fi), NULL,
- &func_addr, &func_end))
- {
- struct symtab_and_line sal = find_pc_line (func_addr, 0);
- CORE_ADDR limit = (sal.end && sal.end < get_frame_pc (fi))
- ? sal.end : get_frame_pc (fi);
- /* This will fill in fields in fi. */
- h8300_examine_prologue (func_addr, limit, get_frame_base (fi),
- deprecated_get_frame_saved_regs (fi), fi);
- }
- /* Else we're out of luck (can't debug completely stripped code).
- FIXME. */
- }
-}
+ mov.w r6,@-sp
+ mov.w sp,r6
+ subs #2,sp
+ (repeat)
+
+ mov.l er6,@-sp
+ mov.l sp,er6
+ add.l #-n,sp
+
+ mov.w r6,@-sp
+ mov.w sp,r6
+ subs #4,sp
+ (repeat)
-/* Given a GDB frame, determine the address of the calling function's
- frame. This will be used to create a new GDB frame struct, and
- then DEPRECATED_INIT_EXTRA_FRAME_INFO and DEPRECATED_INIT_FRAME_PC
- will be called for the new frame.
+ For saving registers:
- For us, the frame address is its stack pointer value, so we look up
- the function prologue to determine the caller's sp value, and
- return it. */
+ mov.w rN,@-sp
+ mov.l erN,@-sp
+ stm.l reglist,@-sp
+
+ For setting up the PIC register:
+
+ Future equivalence...
+
+ */
static CORE_ADDR
-h8300_frame_chain (struct frame_info *thisframe)
+h8300_analyze_prologue (CORE_ADDR pc, CORE_ADDR current_pc,
+ struct h8300_frame_cache *cache)
{
- if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (thisframe),
- get_frame_base (thisframe),
- get_frame_base (thisframe)))
- { /* initialize the from_pc now */
- get_frame_extra_info (thisframe)->from_pc =
- deprecated_read_register_dummy (get_frame_pc (thisframe),
- get_frame_base (thisframe),
- E_PC_REGNUM);
- return get_frame_base (thisframe);
- }
- return deprecated_get_frame_saved_regs (thisframe)[E_SP_REGNUM];
+ unsigned int op;
+
+ pc = h8300_analyze_frame_setup (pc, current_pc, cache);
+ pc = h8300_analyze_register_saves (pc, current_pc, cache);
+ if (pc >= current_pc)
+ return current_pc;
+
+ /* PIC support */
+
+ return pc;
}
-/* Return the saved PC from this frame.
+static struct h8300_frame_cache *
+h8300_frame_cache (struct frame_info *next_frame, void **this_cache)
+{
+ struct h8300_frame_cache *cache;
+ char buf[4];
+ int i;
+
+ if (*this_cache)
+ return *this_cache;
+
+ cache = h8300_alloc_frame_cache ();
+ *this_cache = cache;
+
+ /* In principle, for normal frames, %fp holds the frame pointer,
+ which holds the base address for the current stack frame.
+ However, for functions that don't need it, the frame pointer is
+ optional. For these "frameless" functions the frame pointer is
+ actually the frame pointer of the calling frame. Signal
+ trampolines are just a special case of a "frameless" function.
+ They (usually) share their frame pointer with the frame that was
+ in progress when the signal occurred. */
+
+ frame_unwind_register (next_frame, E_FP_REGNUM, buf);
+ cache->base = extract_unsigned_integer (buf, 4);
+ if (cache->base == 0)
+ return cache;
+
+ /* For normal frames, %pc is stored at 4(%fp). */
+ cache->saved_regs[E_PC_REGNUM] = 4;
+
+ cache->pc = frame_func_unwind (next_frame);
+ if (cache->pc != 0)
+ h8300_analyze_prologue (cache->pc, frame_pc_unwind (next_frame), cache);
+
+ if (cache->locals < 0)
+ {
+ /* We didn't find a valid frame, which means that CACHE->base
+ currently holds the frame pointer for our calling frame. If
+ we're at the start of a function, or somewhere half-way its
+ prologue, the function's frame probably hasn't been fully
+ setup yet. Try to reconstruct the base address for the stack
+ frame by looking at the stack pointer. For truly "frameless"
+ functions this might work too. */
+
+ frame_unwind_register (next_frame, E_SP_REGNUM, buf);
+ cache->base = extract_unsigned_integer (buf, 4) + cache->sp_offset;
+ }
+
+ /* Now that we have the base address for the stack frame we can
+ calculate the value of %sp in the calling frame. */
+ cache->saved_sp = cache->base;
- If the frame has a memory copy of SRP_REGNUM, use that. If not,
- just use the register SRP_REGNUM itself. */
+ /* Adjust all the saved registers such that they contain addresses
+ instead of offsets. */
+ for (i = 0; i < NUM_REGS; i++)
+ if (cache->saved_regs[i] != -1)
+ cache->saved_regs[i] += cache->base;
-static CORE_ADDR
-h8300_frame_saved_pc (struct frame_info *frame)
+ return cache;
+}
+
+static void
+h8300_frame_this_id (struct frame_info *next_frame, void **this_cache,
+ struct frame_id *this_id)
{
- if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (frame),
- get_frame_base (frame),
- get_frame_base (frame)))
- return deprecated_read_register_dummy (get_frame_pc (frame),
- get_frame_base (frame),
- E_PC_REGNUM);
- else
- return get_frame_extra_info (frame)->from_pc;
+ struct h8300_frame_cache *cache =
+ h8300_frame_cache (next_frame, this_cache);
+
+ /* This marks the outermost frame. */
+ if (cache->base == 0)
+ return;
+
+ /* See the end of m68k_push_dummy_call. */
+ *this_id = frame_id_build (cache->base, cache->pc);
}
static void
-h8300_init_extra_frame_info (int fromleaf, struct frame_info *fi)
+h8300_frame_prev_register (struct frame_info *next_frame, void **this_cache,
+ int regnum, int *optimizedp,
+ enum lval_type *lvalp, CORE_ADDR *addrp,
+ int *realnump, void *valuep)
{
- if (!get_frame_extra_info (fi))
+ struct h8300_frame_cache *cache =
+ h8300_frame_cache (next_frame, this_cache);
+
+ gdb_assert (regnum >= 0);
+
+ if (regnum == E_SP_REGNUM && cache->saved_sp)
{
- frame_extra_info_zalloc (fi, sizeof (struct frame_extra_info));
- get_frame_extra_info (fi)->from_pc = 0;
-
- if (!get_frame_pc (fi))
- {
- if (get_next_frame (fi))
- deprecated_update_frame_pc_hack (fi, h8300_frame_saved_pc (get_next_frame (fi)));
+ *optimizedp = 0;
+ *lvalp = not_lval;
+ *addrp = 0;
+ *realnump = -1;
+ if (valuep)
+ {
+ /* Store the value. */
+ store_unsigned_integer (valuep, 4, cache->saved_sp);
+ }
+ return;
+ }
+
+ if (regnum < NUM_REGS && cache->saved_regs[regnum] != -1)
+ {
+ *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 (current_gdbarch, regnum));
}
- h8300_frame_init_saved_regs (fi);
+ return;
}
+
+ frame_register_unwind (next_frame, regnum,
+ optimizedp, lvalp, addrp, realnump, valuep);
+}
+
+static const struct frame_unwind h8300_frame_unwind = {
+ NORMAL_FRAME,
+ h8300_frame_this_id,
+ h8300_frame_prev_register
+};
+
+static const struct frame_unwind *
+h8300_frame_sniffer (struct frame_info *next_frame)
+{
+ return &h8300_frame_unwind;
}
/* Function: push_dummy_call
to begin with. */
static CORE_ADDR
-h8300_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr,
- struct regcache *regcache, CORE_ADDR bp_addr, int nargs,
- struct value **args, CORE_ADDR sp, int struct_return,
- CORE_ADDR struct_addr)
+h8300_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)
{
int stack_alloc = 0, stack_offset = 0;
int wordsize = BINWORD;
/* Now make sure there's space on the stack for the arguments. We
may over-allocate a little here, but that won't hurt anything. */
for (argument = 0; argument < nargs; argument++)
- stack_alloc += align_up (TYPE_LENGTH (VALUE_TYPE (args[argument])),
- wordsize);
+ stack_alloc += align_up (TYPE_LENGTH (value_type (args[argument])),
+ wordsize);
sp -= stack_alloc;
/* Now load as many arguments as possible into registers, and push
for (argument = 0; argument < nargs; argument++)
{
- struct type *type = VALUE_TYPE (args[argument]);
+ struct type *type = value_type (args[argument]);
int len = TYPE_LENGTH (type);
- char *contents = (char *) VALUE_CONTENTS (args[argument]);
+ char *contents = (char *) value_contents (args[argument]);
/* Pad the argument appropriately. */
int padded_len = align_up (len, wordsize);
memset (padded, 0, padded_len);
memcpy (len < wordsize ? padded + padded_len - len : padded,
- contents, len);
+ contents, len);
/* Could the argument fit in the remaining registers? */
if (padded_len <= (E_ARGLAST_REGNUM - reg + 1) * wordsize)
- {
- /* Are we going to pass it on the stack anyway, for no good
- reason? */
- if (len > wordsize && len % wordsize)
- {
- /* I feel so unclean. */
- write_memory (sp + stack_offset, padded, padded_len);
- stack_offset += padded_len;
-
- /* That's right --- even though we passed the argument
- on the stack, we consume the registers anyway! Love
- me, love my dog. */
- reg += padded_len / wordsize;
- }
- else
- {
- /* Heavens to Betsy --- it's really going in registers!
- It would be nice if we could use write_register_bytes
- here, but on the h8/300s, there are gaps between
- the registers in the register file. */
- int offset;
-
- for (offset = 0; offset < padded_len; offset += wordsize)
- {
- ULONGEST word = extract_unsigned_integer (padded + offset,
+ {
+ /* Are we going to pass it on the stack anyway, for no good
+ reason? */
+ if (len > wordsize && len % wordsize)
+ {
+ /* I feel so unclean. */
+ write_memory (sp + stack_offset, padded, padded_len);
+ stack_offset += padded_len;
+
+ /* That's right --- even though we passed the argument
+ on the stack, we consume the registers anyway! Love
+ me, love my dog. */
+ reg += padded_len / wordsize;
+ }
+ else
+ {
+ /* Heavens to Betsy --- it's really going in registers!
+ It would be nice if we could use write_register_bytes
+ here, but on the h8/300s, there are gaps between
+ the registers in the register file. */
+ int offset;
+
+ for (offset = 0; offset < padded_len; offset += wordsize)
+ {
+ ULONGEST word = extract_unsigned_integer (padded + offset,
wordsize);
regcache_cooked_write_unsigned (regcache, reg++, word);
- }
- }
- }
+ }
+ }
+ }
else
- {
- /* It doesn't fit in registers! Onto the stack it goes. */
- write_memory (sp + stack_offset, padded, padded_len);
- stack_offset += padded_len;
-
- /* Once one argument has spilled onto the stack, all
- subsequent arguments go on the stack. */
- reg = E_ARGLAST_REGNUM + 1;
- }
+ {
+ /* It doesn't fit in registers! Onto the stack it goes. */
+ write_memory (sp + stack_offset, padded, padded_len);
+ stack_offset += padded_len;
+
+ /* Once one argument has spilled onto the stack, all
+ subsequent arguments go on the stack. */
+ reg = E_ARGLAST_REGNUM + 1;
+ }
}
/* Store return address. */
return sp;
}
-/* Function: h8300_pop_frame
- Restore the machine to the state it had before the current frame
- was created. Usually used either by the "RETURN" command, or by
- call_function_by_hand after the dummy_frame is finished. */
-
-static void
-h8300_pop_frame (void)
-{
- unsigned regno;
- struct frame_info *frame = get_current_frame ();
-
- if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (frame),
- get_frame_base (frame),
- get_frame_base (frame)))
- {
- generic_pop_dummy_frame ();
- }
- else
- {
- for (regno = 0; regno < 8; regno++)
- {
- /* Don't forget E_SP_REGNUM is a frame_saved_regs struct is the
- actual value we want, not the address of the value we want. */
- if (deprecated_get_frame_saved_regs (frame)[regno] && regno != E_SP_REGNUM)
- write_register (regno,
- read_memory_integer
- (deprecated_get_frame_saved_regs (frame)[regno], BINWORD));
- else if (deprecated_get_frame_saved_regs (frame)[regno] && regno == E_SP_REGNUM)
- write_register (regno, get_frame_base (frame) + 2 * BINWORD);
- }
-
- /* Don't forget to update the PC too! */
- write_register (E_PC_REGNUM, get_frame_extra_info (frame)->from_pc);
- }
- flush_cached_frames ();
-}
-
/* Function: extract_return_value
Figure out where in REGBUF the called function has left its return value.
Copy that into VALBUF. Be sure to account for CPU type. */
switch (len)
{
- case 1:
- case 2:
- regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &c);
- store_unsigned_integer (valbuf, len, c);
- break;
- case 4: /* Needs two registers on plain H8/300 */
- regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &c);
- store_unsigned_integer (valbuf, 2, c);
- regcache_cooked_read_unsigned (regcache, E_RET1_REGNUM, &c);
- store_unsigned_integer ((void*)((char *)valbuf + 2), 2, c);
- break;
- case 8: /* long long is now 8 bytes. */
- if (TYPE_CODE (type) == TYPE_CODE_INT)
- {
- regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &addr);
- c = read_memory_unsigned_integer ((CORE_ADDR) addr, len);
- store_unsigned_integer (valbuf, len, c);
- }
- else
- {
- error ("I don't know how this 8 byte value is returned.");
- }
- break;
+ case 1:
+ case 2:
+ regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &c);
+ store_unsigned_integer (valbuf, len, c);
+ break;
+ case 4: /* Needs two registers on plain H8/300 */
+ regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &c);
+ store_unsigned_integer (valbuf, 2, c);
+ regcache_cooked_read_unsigned (regcache, E_RET1_REGNUM, &c);
+ store_unsigned_integer ((void *) ((char *) valbuf + 2), 2, c);
+ break;
+ case 8: /* long long is now 8 bytes. */
+ if (TYPE_CODE (type) == TYPE_CODE_INT)
+ {
+ regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &addr);
+ c = read_memory_unsigned_integer ((CORE_ADDR) addr, len);
+ store_unsigned_integer (valbuf, len, c);
+ }
+ else
+ {
+ error ("I don't know how this 8 byte value is returned.");
+ }
+ break;
}
}
static void
h8300h_extract_return_value (struct type *type, struct regcache *regcache,
- void *valbuf)
+ void *valbuf)
{
int len = TYPE_LENGTH (type);
ULONGEST c, addr;
switch (len)
{
- case 1:
- case 2:
- case 4:
- regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &c);
- store_unsigned_integer (valbuf, len, c);
- break;
- case 8: /* long long is now 8 bytes. */
- if (TYPE_CODE (type) == TYPE_CODE_INT)
- {
- regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &addr);
- c = read_memory_unsigned_integer ((CORE_ADDR) addr, len);
- store_unsigned_integer (valbuf, len, c);
- }
- else
- {
- error ("I don't know how this 8 byte value is returned.");
- }
- break;
+ case 1:
+ case 2:
+ case 4:
+ regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &c);
+ store_unsigned_integer (valbuf, len, c);
+ break;
+ case 8: /* long long is now 8 bytes. */
+ if (TYPE_CODE (type) == TYPE_CODE_INT)
+ {
+ regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &addr);
+ c = read_memory_unsigned_integer ((CORE_ADDR) addr, len);
+ store_unsigned_integer (valbuf, len, c);
+ }
+ else
+ {
+ error ("I don't know how this 8 byte value is returned.");
+ }
+ break;
}
}
switch (len)
{
- case 1:
- case 2: /* short... */
- val = extract_unsigned_integer (valbuf, len);
- regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM, val);
- break;
- case 4: /* long, float */
- val = extract_unsigned_integer (valbuf, len);
- regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM,
- (val >> 16) &0xffff);
- regcache_cooked_write_unsigned (regcache, E_RET1_REGNUM, val & 0xffff);
- break;
- case 8: /* long long, double and long double are all defined
- as 4 byte types so far so this shouldn't happen. */
- error ("I don't know how to return an 8 byte value.");
- break;
+ case 1:
+ case 2: /* short... */
+ val = extract_unsigned_integer (valbuf, len);
+ regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM, val);
+ break;
+ case 4: /* long, float */
+ val = extract_unsigned_integer (valbuf, len);
+ regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM,
+ (val >> 16) & 0xffff);
+ regcache_cooked_write_unsigned (regcache, E_RET1_REGNUM, val & 0xffff);
+ break;
+ case 8: /* long long, double and long double are all defined
+ as 4 byte types so far so this shouldn't happen. */
+ error ("I don't know how to return an 8 byte value.");
+ break;
}
}
switch (len)
{
- case 1:
- case 2:
- case 4: /* long, float */
- val = extract_unsigned_integer (valbuf, len);
- regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM, val);
- break;
- case 8: /* long long, double and long double are all defined
- as 4 byte types so far so this shouldn't happen. */
- error ("I don't know how to return an 8 byte value.");
- break;
+ case 1:
+ case 2:
+ case 4: /* long, float */
+ val = extract_unsigned_integer (valbuf, len);
+ regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM, val);
+ break;
+ case 8: /* long long, double and long double are all defined
+ as 4 byte types so far so this shouldn't happen. */
+ error ("I don't know how to return an 8 byte value.");
+ break;
}
}
type is selected. */
static char *register_names[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6",
- "sp", "","pc","cycles", "tick", "inst",
- "ccr", /* pseudo register */
+ "sp", "", "pc", "cycles", "tick", "inst",
+ "ccr", /* pseudo register */
};
if (regno < 0
|| regno >= (sizeof (register_names) / sizeof (*register_names)))
internal_error (__FILE__, __LINE__,
- "h8300_register_name: illegal register number %d", regno);
+ "h8300_register_name: illegal register number %d", regno);
else
return register_names[regno];
}
"er0", "er1", "er2", "er3", "er4", "er5", "er6",
"sp", "", "pc", "cycles", "", "tick", "inst",
"mach", "macl",
- "ccr", "exr" /* pseudo registers */
+ "ccr", "exr" /* pseudo registers */
};
if (regno < 0
|| regno >= (sizeof (register_names) / sizeof (*register_names)))
internal_error (__FILE__, __LINE__,
- "h8300s_register_name: illegal register number %d", regno);
+ "h8300s_register_name: illegal register number %d",
+ regno);
else
return register_names[regno];
}
"er0", "er1", "er2", "er3", "er4", "er5", "er6",
"sp", "", "pc", "cycles", "", "tick", "inst",
"mach", "macl", "sbr", "vbr",
- "ccr", "exr" /* pseudo registers */
+ "ccr", "exr" /* pseudo registers */
};
if (regno < 0
|| regno >= (sizeof (register_names) / sizeof (*register_names)))
internal_error (__FILE__, __LINE__,
- "h8300sx_register_name: illegal register number %d", regno);
+ "h8300sx_register_name: illegal register number %d",
+ regno);
else
return register_names[regno];
}
rval = get_frame_register_signed (frame, regno);
fprintf_filtered (file, "%-14s ", name);
- if (regno == E_PSEUDO_CCR_REGNUM ||
- (regno == E_PSEUDO_EXR_REGNUM && is_h8300smode (current_gdbarch)))
+ if ((regno == E_PSEUDO_CCR_REGNUM) || \
+ (regno == E_PSEUDO_EXR_REGNUM && is_h8300smode (current_gdbarch)))
{
- fprintf_filtered (file, "0x%02x ", (unsigned char)rval);
+ fprintf_filtered (file, "0x%02x ", (unsigned char) rval);
print_longest (file, 'u', 1, rval);
}
else
{
- fprintf_filtered (file, "0x%s ", phex ((ULONGEST)rval, BINWORD));
+ fprintf_filtered (file, "0x%s ", phex ((ULONGEST) rval, BINWORD));
print_longest (file, 'd', 1, rval);
}
if (regno == E_PSEUDO_CCR_REGNUM)
h8300_print_register (gdbarch, file, frame, E_PSEUDO_CCR_REGNUM);
h8300_print_register (gdbarch, file, frame, E_PC_REGNUM);
if (is_h8300smode (current_gdbarch))
- {
+ {
h8300_print_register (gdbarch, file, frame, E_PSEUDO_EXR_REGNUM);
if (is_h8300sxmode (current_gdbarch))
{
h8300_print_register (gdbarch, file, frame, E_INSTS_REGNUM);
}
else
- {
+ {
h8300_print_register (gdbarch, file, frame, E_CYCLES_REGNUM);
h8300_print_register (gdbarch, file, frame, E_TICK_REGNUM);
h8300_print_register (gdbarch, file, frame, E_INST_REGNUM);
else
{
if (regno == E_CCR_REGNUM)
- h8300_print_register (gdbarch, file, frame, E_PSEUDO_CCR_REGNUM);
- else if (regno == E_PSEUDO_EXR_REGNUM && is_h8300smode (current_gdbarch))
+ h8300_print_register (gdbarch, file, frame, E_PSEUDO_CCR_REGNUM);
+ else if (regno == E_PSEUDO_EXR_REGNUM
+ && is_h8300smode (current_gdbarch))
h8300_print_register (gdbarch, file, frame, E_PSEUDO_EXR_REGNUM);
else
h8300_print_register (gdbarch, file, frame, regno);
}
}
-static CORE_ADDR
-h8300_saved_pc_after_call (struct frame_info *ignore)
-{
- return read_memory_unsigned_integer (read_register (E_SP_REGNUM), BINWORD);
-}
-
static struct type *
h8300_register_type (struct gdbarch *gdbarch, int regno)
{
if (regno < 0 || regno >= NUM_REGS + NUM_PSEUDO_REGS)
internal_error (__FILE__, __LINE__,
- "h8300_register_type: illegal register number %d",
- regno);
+ "h8300_register_type: illegal register number %d", regno);
else
{
switch (regno)
- {
- case E_PC_REGNUM:
- return builtin_type_void_func_ptr;
- case E_SP_REGNUM:
- case E_FP_REGNUM:
- return builtin_type_void_data_ptr;
- default:
- if (regno == E_PSEUDO_CCR_REGNUM)
- return builtin_type_uint8;
- else if (regno == E_PSEUDO_EXR_REGNUM)
- return builtin_type_uint8;
- else if (is_h8300hmode (current_gdbarch))
- return builtin_type_int32;
- else
- return builtin_type_int16;
- }
+ {
+ case E_PC_REGNUM:
+ return builtin_type_void_func_ptr;
+ case E_SP_REGNUM:
+ case E_FP_REGNUM:
+ return builtin_type_void_data_ptr;
+ default:
+ if (regno == E_PSEUDO_CCR_REGNUM)
+ return builtin_type_uint8;
+ else if (regno == E_PSEUDO_EXR_REGNUM)
+ return builtin_type_uint8;
+ else if (is_h8300hmode (current_gdbarch))
+ return builtin_type_int32;
+ else
+ return builtin_type_int16;
+ }
}
}
static void
-h8300_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
- int regno, void *buf)
+h8300_pseudo_register_read (struct gdbarch *gdbarch,
+ struct regcache *regcache, int regno, void *buf)
{
if (regno == E_PSEUDO_CCR_REGNUM)
regcache_raw_read (regcache, E_CCR_REGNUM, buf);
}
static void
-h8300_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
- int regno, const void *buf)
+h8300_pseudo_register_write (struct gdbarch *gdbarch,
+ struct regcache *regcache, int regno,
+ const void *buf)
{
if (regno == E_PSEUDO_CCR_REGNUM)
regcache_raw_write (regcache, E_CCR_REGNUM, buf);
const static unsigned char *
h8300_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
{
- /*static unsigned char breakpoint[] = { 0x7A, 0xFF };*/ /* ??? */
- static unsigned char breakpoint[] = { 0x01, 0x80 }; /* Sleep */
+ /*static unsigned char breakpoint[] = { 0x7A, 0xFF }; *//* ??? */
+ static unsigned char breakpoint[] = { 0x01, 0x80 }; /* Sleep */
*lenptr = sizeof (breakpoint);
return breakpoint;
set_gdbarch_dwarf2_reg_to_regnum (gdbarch, h8300_dbg_reg_to_regnum);
set_gdbarch_stab_reg_to_regnum (gdbarch, h8300_dbg_reg_to_regnum);
set_gdbarch_register_name (gdbarch, h8300_register_name);
- if(info.bfd_arch_info->mach != bfd_mach_h8300hn)
- {
- set_gdbarch_ptr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
- set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
- }
+ if (info.bfd_arch_info->mach != bfd_mach_h8300hn)
+ {
+ set_gdbarch_ptr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ }
else
- {
- set_gdbarch_ptr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
- set_gdbarch_addr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
- }
+ {
+ set_gdbarch_ptr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
+ set_gdbarch_addr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
+ }
set_gdbarch_extract_return_value (gdbarch, h8300h_extract_return_value);
set_gdbarch_store_return_value (gdbarch, h8300h_store_return_value);
set_gdbarch_print_insn (gdbarch, print_insn_h8300h);
set_gdbarch_dwarf2_reg_to_regnum (gdbarch, h8300s_dbg_reg_to_regnum);
set_gdbarch_stab_reg_to_regnum (gdbarch, h8300s_dbg_reg_to_regnum);
set_gdbarch_register_name (gdbarch, h8300s_register_name);
- if(info.bfd_arch_info->mach != bfd_mach_h8300sn)
- {
- set_gdbarch_ptr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
- set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
- }
+ if (info.bfd_arch_info->mach != bfd_mach_h8300sn)
+ {
+ set_gdbarch_ptr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ }
else
- {
- set_gdbarch_ptr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
- set_gdbarch_addr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
- }
+ {
+ set_gdbarch_ptr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
+ set_gdbarch_addr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
+ }
set_gdbarch_extract_return_value (gdbarch, h8300h_extract_return_value);
set_gdbarch_store_return_value (gdbarch, h8300h_store_return_value);
set_gdbarch_print_insn (gdbarch, print_insn_h8300s);
set_gdbarch_dwarf2_reg_to_regnum (gdbarch, h8300s_dbg_reg_to_regnum);
set_gdbarch_stab_reg_to_regnum (gdbarch, h8300s_dbg_reg_to_regnum);
set_gdbarch_register_name (gdbarch, h8300sx_register_name);
- if(info.bfd_arch_info->mach != bfd_mach_h8300sxn)
- {
- set_gdbarch_ptr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
- set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
- }
+ if (info.bfd_arch_info->mach != bfd_mach_h8300sxn)
+ {
+ set_gdbarch_ptr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ }
else
- {
- set_gdbarch_ptr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
- set_gdbarch_addr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
- }
+ {
+ set_gdbarch_ptr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
+ set_gdbarch_addr_bit (gdbarch, 2 * TARGET_CHAR_BIT);
+ }
set_gdbarch_extract_return_value (gdbarch, h8300h_extract_return_value);
set_gdbarch_store_return_value (gdbarch, h8300h_store_return_value);
set_gdbarch_print_insn (gdbarch, print_insn_h8300s);
set_gdbarch_pseudo_register_read (gdbarch, h8300_pseudo_register_read);
set_gdbarch_pseudo_register_write (gdbarch, h8300_pseudo_register_write);
- /* NOTE: cagney/2002-12-06: This can be deleted when this arch is
- ready to unwind the PC first (see frame.c:get_prev_frame()). */
- set_gdbarch_deprecated_init_frame_pc (gdbarch, deprecated_init_frame_pc_default);
-
/*
* Basic register fields and methods.
*/
*/
set_gdbarch_skip_prologue (gdbarch, h8300_skip_prologue);
- set_gdbarch_deprecated_frame_init_saved_regs (gdbarch,
- h8300_frame_init_saved_regs);
- set_gdbarch_deprecated_init_extra_frame_info (gdbarch,
- h8300_init_extra_frame_info);
- set_gdbarch_deprecated_frame_chain (gdbarch, h8300_frame_chain);
- set_gdbarch_deprecated_saved_pc_after_call (gdbarch,
- h8300_saved_pc_after_call);
- set_gdbarch_deprecated_frame_saved_pc (gdbarch, h8300_frame_saved_pc);
- set_gdbarch_deprecated_pop_frame (gdbarch, h8300_pop_frame);
+ /* Frame unwinder. */
+ set_gdbarch_unwind_dummy_id (gdbarch, h8300_unwind_dummy_id);
+ set_gdbarch_unwind_pc (gdbarch, h8300_unwind_pc);
+
+ /* Hook in the DWARF CFI frame unwinder. */
+ frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer);
/*
* Miscelany
*/
/* Stack grows up. */
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
- set_gdbarch_deprecated_frameless_function_invocation (gdbarch, legacy_frameless_look_for_prologue);
- set_gdbarch_deprecated_extract_struct_value_address (gdbarch, h8300_extract_struct_value_address);
- set_gdbarch_use_struct_convention (gdbarch, always_use_struct_convention);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch,
+ h8300_extract_struct_value_address);
+ set_gdbarch_deprecated_use_struct_convention (gdbarch,
+ always_use_struct_convention);
set_gdbarch_breakpoint_from_pc (gdbarch, h8300_breakpoint_from_pc);
set_gdbarch_push_dummy_code (gdbarch, h8300_push_dummy_code);
set_gdbarch_push_dummy_call (gdbarch, h8300_push_dummy_call);
/* Char is unsigned. */
set_gdbarch_char_signed (gdbarch, 0);
+ frame_unwind_append_sniffer (gdbarch, h8300_frame_sniffer);
+
return gdbarch;
+
}
-extern initialize_file_ftype _initialize_h8300_tdep; /* -Wmissing-prototypes */
+extern initialize_file_ftype _initialize_h8300_tdep; /* -Wmissing-prototypes */
void
_initialize_h8300_tdep (void)
is_h8300hmode (struct gdbarch *gdbarch)
{
return gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sx
- || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sxn
- || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300s
- || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sn
- || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300h
- || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300hn;
+ || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sxn
+ || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300s
+ || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sn
+ || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300h
+ || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300hn;
}
static int
is_h8300smode (struct gdbarch *gdbarch)
{
return gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sx
- || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sxn
- || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300s
- || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sn;
+ || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sxn
+ || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300s
+ || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sn;
}
static int
is_h8300sxmode (struct gdbarch *gdbarch)
{
return gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sx
- || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sxn;
+ || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sxn;
}
static int
is_h8300_normal_mode (struct gdbarch *gdbarch)
{
return gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sxn
- || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sn
- || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300hn;
+ || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300sn
+ || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_h8300hn;
}
-
projects / deliverable / binutils-gdb.git / blobdiff