/* Target-dependent code for the SPARC for GDB, the GNU debugger.
Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation,
Inc.
This file is part of GDB.
#include "arch-utils.h"
#include "frame.h"
#include "inferior.h"
-#include "obstack.h"
#include "target.h"
#include "value.h"
#include "bfd.h"
#include "gdb_string.h"
#include "regcache.h"
+#include "osabi.h"
#ifdef USE_PROC_FS
#include <sys/procfs.h>
#endif
#include "gdbcore.h"
+#include "gdb_assert.h"
#include "symfile.h" /* for 'entry_point_address' */
/* Does the target have Floating Point registers? */
-#if defined(TARGET_SPARCLET) || defined(TARGET_SPARCLITE)
-#define SPARC_HAS_FPU 0
-#else
-#define SPARC_HAS_FPU 1
+#if 0
+// OBSOLETE #if defined(TARGET_SPARCLET) || defined(TARGET_SPARCLITE)
+// OBSOLETE #define SPARC_HAS_FPU 0
+// OBSOLETE #else
+// OBSOLETE #define SPARC_HAS_FPU 1
+// OBSOLETE #endif
#endif
+#define SPARC_HAS_FPU 1
/* Number of bytes devoted to Floating Point registers: */
#if (GDB_TARGET_IS_SPARC64)
struct gdbarch_tdep
{
- int has_fpu;
+#if 0
+ // OBSOLETE int has_fpu;
+#endif
int fp_register_bytes;
int y_regnum;
int fp_max_regnum;
int deferred_stores = 0; /* Accumulated stores we want to do eventually. */
-/* Some machines, such as Fujitsu SPARClite 86x, have a bi-endian mode
- where instructions are big-endian and data are little-endian.
- This flag is set when we detect that the target is of this type. */
-
-int bi_endian = 0;
+#if 0
+// OBSOLETE /* Some machines, such as Fujitsu SPARClite 86x, have a bi-endian mode
+// OBSOLETE where instructions are big-endian and data are little-endian.
+// OBSOLETE This flag is set when we detect that the target is of this type. */
+// OBSOLETE
+// OBSOLETE int bi_endian = 0;
+#endif
/* Fetch a single instruction. Even on bi-endian machines
CORE_ADDR prologue_start, prologue_end;
int insn;
- fi->extra_info = (struct frame_extra_info *)
- frame_obstack_alloc (sizeof (struct frame_extra_info));
+ frame_extra_info_zalloc (fi, sizeof (struct frame_extra_info));
frame_saved_regs_zalloc (fi);
- fi->extra_info->bottom =
- (fi->next ?
- (fi->frame == fi->next->frame ? fi->next->extra_info->bottom :
- fi->next->frame) : read_sp ());
+ get_frame_extra_info (fi)->bottom =
+ (get_next_frame (fi)
+ ? (get_frame_base (fi) == get_frame_base (get_next_frame (fi))
+ ? get_frame_extra_info (get_next_frame (fi))->bottom
+ : get_frame_base (get_next_frame (fi)))
+ : read_sp ());
/* If fi->next is NULL, then we already set ->frame by passing read_fp()
to create_new_frame. */
- if (fi->next)
+ if (get_next_frame (fi))
{
char *buf;
/* Compute ->frame as if not flat. If it is flat, we'll change
it later. */
- if (fi->next->next != NULL
- && (fi->next->next->signal_handler_caller
- || frame_in_dummy (fi->next->next))
- && frameless_look_for_prologue (fi->next))
+ if (get_next_frame (get_next_frame (fi)) != NULL
+ && ((get_frame_type (get_next_frame (get_next_frame (fi))) == SIGTRAMP_FRAME)
+ || deprecated_frame_in_dummy (get_next_frame (get_next_frame (fi))))
+ && frameless_look_for_prologue (get_next_frame (fi)))
{
/* A frameless function interrupted by a signal did not change
the frame pointer, fix up frame pointer accordingly. */
- fi->frame = FRAME_FP (fi->next);
- fi->extra_info->bottom = fi->next->extra_info->bottom;
+ deprecated_update_frame_base_hack (fi, get_frame_base (get_next_frame (fi)));
+ get_frame_extra_info (fi)->bottom =
+ get_frame_extra_info (get_next_frame (fi))->bottom;
}
else
{
/* Should we adjust for stack bias here? */
- get_saved_register (buf, 0, 0, fi, FP_REGNUM, 0);
- fi->frame = extract_address (buf, REGISTER_RAW_SIZE (FP_REGNUM));
-
- if (GDB_TARGET_IS_SPARC64 && (fi->frame & 1))
- fi->frame += 2047;
+ ULONGEST tmp;
+ frame_read_unsigned_register (fi, FP_REGNUM, &tmp);
+ deprecated_update_frame_base_hack (fi, tmp);
+ if (GDB_TARGET_IS_SPARC64 && (get_frame_base (fi) & 1))
+ deprecated_update_frame_base_hack (fi, get_frame_base (fi) + 2047);
}
}
/* Decide whether this is a function with a ``flat register window''
frame. For such functions, the frame pointer is actually in %i7. */
- fi->extra_info->flat = 0;
- fi->extra_info->in_prologue = 0;
- if (find_pc_partial_function (fi->pc, &name, &prologue_start, &prologue_end))
+ get_frame_extra_info (fi)->flat = 0;
+ get_frame_extra_info (fi)->in_prologue = 0;
+ if (find_pc_partial_function (get_frame_pc (fi), &name, &prologue_start, &prologue_end))
{
/* See if the function starts with an add (which will be of a
negative number if a flat frame) to the sp. FIXME: Does not
buf = alloca (MAX_REGISTER_RAW_SIZE);
/* We definitely have a flat frame now. */
- fi->extra_info->flat = 1;
+ get_frame_extra_info (fi)->flat = 1;
- fi->extra_info->sp_offset = offset;
+ get_frame_extra_info (fi)->sp_offset = offset;
/* Overwrite the frame's address with the value in %i7. */
- get_saved_register (buf, 0, 0, fi, I7_REGNUM, 0);
- fi->frame = extract_address (buf, REGISTER_RAW_SIZE (I7_REGNUM));
+ {
+ ULONGEST tmp;
+ frame_read_unsigned_register (fi, I7_REGNUM, &tmp);
+ deprecated_update_frame_base_hack (fi, tmp);
+ }
- if (GDB_TARGET_IS_SPARC64 && (fi->frame & 1))
- fi->frame += 2047;
+ if (GDB_TARGET_IS_SPARC64 && (get_frame_base (fi) & 1))
+ deprecated_update_frame_base_hack (fi, get_frame_base (fi) + 2047);
/* Record where the fp got saved. */
- fi->extra_info->fp_addr =
- fi->frame + fi->extra_info->sp_offset + X_SIMM13 (insn);
+ get_frame_extra_info (fi)->fp_addr =
+ get_frame_base (fi) + get_frame_extra_info (fi)->sp_offset + X_SIMM13 (insn);
/* Also try to collect where the pc got saved to. */
- fi->extra_info->pc_addr = 0;
+ get_frame_extra_info (fi)->pc_addr = 0;
insn = fetch_instruction (prologue_start + 12);
if (X_OP (insn) == 3
&& X_RD (insn) == 15
&& X_OP3 (insn) == 4
&& X_RS1 (insn) == 14)
- fi->extra_info->pc_addr =
- fi->frame + fi->extra_info->sp_offset + X_SIMM13 (insn);
+ get_frame_extra_info (fi)->pc_addr =
+ get_frame_base (fi) + get_frame_extra_info (fi)->sp_offset + X_SIMM13 (insn);
}
}
else
sal = find_pc_line (prologue_start, 0);
if (sal.line == 0) /* no line info, use PC */
- prologue_end = fi->pc;
+ prologue_end = get_frame_pc (fi);
else if (sal.end < prologue_end)
prologue_end = sal.end;
- if (fi->pc < prologue_end)
+ if (get_frame_pc (fi) < prologue_end)
{
- for (addr = prologue_start; addr < fi->pc; addr += 4)
+ for (addr = prologue_start; addr < get_frame_pc (fi); addr += 4)
{
insn = read_memory_integer (addr, 4);
if (X_OP (insn) == 2 && X_OP3 (insn) == 0x3c)
break; /* SAVE seen, stop searching */
}
- if (addr >= fi->pc)
+ if (addr >= get_frame_pc (fi))
{
- fi->extra_info->in_prologue = 1;
- fi->frame = read_register (SP_REGNUM);
+ get_frame_extra_info (fi)->in_prologue = 1;
+ deprecated_update_frame_base_hack (fi, read_register (SP_REGNUM));
}
}
}
}
- if (fi->next && fi->frame == 0)
+ if (get_next_frame (fi) && get_frame_base (fi) == 0)
{
/* Kludge to cause init_prev_frame_info to destroy the new frame. */
- fi->frame = fi->next->frame;
- fi->pc = fi->next->pc;
+ deprecated_update_frame_base_hack (fi, get_frame_base (get_next_frame (fi)));
+ deprecated_update_frame_pc_hack (fi, get_frame_pc (get_next_frame (fi)));
}
}
CORE_ADDR
sparc_frame_chain (struct frame_info *frame)
{
- /* Value that will cause FRAME_CHAIN_VALID to not worry about the chain
- value. If it really is zero, we detect it later in
- sparc_init_prev_frame. */
- return (CORE_ADDR) 1;
+ /* Value that will cause DEPRECATED_FRAME_CHAIN_VALID to not worry
+ about the chain value. If it really is zero, we detect it later
+ in sparc_init_prev_frame.
+
+ Note: kevinb/2003-02-18: The constant 1 used to be returned here,
+ but, after some recent changes to legacy_frame_chain_valid(),
+ this value is no longer suitable for causing
+ legacy_frame_chain_valid() to "not worry about the chain value."
+ The constant ~0 (i.e, 0xfff...) causes the failing test in
+ legacy_frame_chain_valid() to succeed thus preserving the "not
+ worry" property. I had considered using something like
+ ``get_frame_base (frame) + 1''. However, I think a constant
+ value is better, because when debugging this problem, I knew that
+ something funny was going on as soon as I saw the constant 1
+ being used as the frame chain elsewhere in GDB. */
+
+ return ~ (CORE_ADDR) 0;
}
CORE_ADDR
CORE_ADDR addr;
buf = alloca (MAX_REGISTER_RAW_SIZE);
- if (frame->signal_handler_caller)
+ if ((get_frame_type (frame) == SIGTRAMP_FRAME))
{
/* This is the signal trampoline frame.
Get the saved PC from the sigcontext structure. */
/* Solaris2 ucbsigvechandler passes a pointer to a sigcontext
as the third parameter. The offset to the saved pc is 12. */
- find_pc_partial_function (frame->pc, &name,
+ find_pc_partial_function (get_frame_pc (frame), &name,
(CORE_ADDR *) NULL, (CORE_ADDR *) NULL);
if (name && STREQ (name, "ucbsigvechandler"))
saved_pc_offset = 12;
/* The sigcontext address is contained in register O2. */
- get_saved_register (buf, (int *) NULL, (CORE_ADDR *) NULL,
- frame, O0_REGNUM + 2, (enum lval_type *) NULL);
- sigcontext_addr = extract_address (buf, REGISTER_RAW_SIZE (O0_REGNUM + 2));
+ {
+ ULONGEST tmp;
+ frame_read_unsigned_register (frame, O0_REGNUM + 2, &tmp);
+ sigcontext_addr = tmp;
+ }
/* Don't cause a memory_error when accessing sigcontext in case the
stack layout has changed or the stack is corrupt. */
scbuf, sizeof (scbuf));
return extract_address (scbuf, sizeof (scbuf));
}
- else if (frame->extra_info->in_prologue ||
- (frame->next != NULL &&
- (frame->next->signal_handler_caller ||
- frame_in_dummy (frame->next)) &&
+ else if (get_frame_extra_info (frame)->in_prologue ||
+ (get_next_frame (frame) != NULL &&
+ ((get_frame_type (get_next_frame (frame)) == SIGTRAMP_FRAME) ||
+ deprecated_frame_in_dummy (get_next_frame (frame))) &&
frameless_look_for_prologue (frame)))
{
/* A frameless function interrupted by a signal did not save
the PC, it is still in %o7. */
- get_saved_register (buf, (int *) NULL, (CORE_ADDR *) NULL,
- frame, O7_REGNUM, (enum lval_type *) NULL);
- return PC_ADJUST (extract_address (buf, SPARC_INTREG_SIZE));
+ ULONGEST tmp;
+ frame_read_unsigned_register (frame, O7_REGNUM, &tmp);
+ return PC_ADJUST (tmp);
}
- if (frame->extra_info->flat)
- addr = frame->extra_info->pc_addr;
+ if (get_frame_extra_info (frame)->flat)
+ addr = get_frame_extra_info (frame)->pc_addr;
else
- addr = frame->extra_info->bottom + FRAME_SAVED_I0 +
+ addr = get_frame_extra_info (frame)->bottom + FRAME_SAVED_I0 +
SPARC_INTREG_SIZE * (I7_REGNUM - I0_REGNUM);
if (addr == 0)
internal_error (__FILE__, __LINE__,
"create_new_frame returned invalid frame");
- frame->extra_info->bottom = argv[1];
- frame->pc = FRAME_SAVED_PC (frame);
+ get_frame_extra_info (frame)->bottom = argv[1];
+ deprecated_update_frame_pc_hack (frame, DEPRECATED_FRAME_SAVED_PC (frame));
return frame;
}
{
if (saved_regs && X_I (insn))
saved_regs[X_RD (insn)] =
- fi->frame + fi->extra_info->sp_offset + X_SIMM13 (insn);
+ get_frame_base (fi) + get_frame_extra_info (fi)->sp_offset + X_SIMM13 (insn);
}
else
break;
return pc;
}
+/* Advance PC across any function entry prologue instructions to reach
+ some "real" code. */
+
CORE_ADDR
-sparc_skip_prologue (CORE_ADDR start_pc, int frameless_p)
+sparc_skip_prologue (CORE_ADDR start_pc)
{
- return examine_prologue (start_pc, frameless_p, NULL, NULL);
+ struct symtab_and_line sal;
+ CORE_ADDR func_start, func_end;
+
+ /* This is the preferred method, find the end of the prologue by
+ using the debugging information. */
+ if (find_pc_partial_function (start_pc, NULL, &func_start, &func_end))
+ {
+ sal = find_pc_line (func_start, 0);
+
+ if (sal.end < func_end
+ && start_pc <= sal.end)
+ return sal.end;
+ }
+
+ /* Oh well, examine the code by hand. */
+ return examine_prologue (start_pc, 0, NULL, NULL);
+}
+
+/* Is the prologue at IP frameless? */
+
+int
+sparc_prologue_frameless_p (CORE_ADDR ip)
+{
+ return ip == examine_prologue (ip, 1, NULL, NULL);
}
/* Check instruction at ADDR to see if it is a branch.
/* error ("No selected frame."); */
if (!target_has_registers)
error ("The program has no registers now.");
- if (selected_frame == NULL)
+ if (deprecated_selected_frame == NULL)
error ("No selected frame.");
/* Try to use selected frame */
- frame = get_prev_frame (selected_frame);
+ frame = get_prev_frame (deprecated_selected_frame);
if (frame == 0)
error ("Cmd not meaningful in the outermost frame.");
}
- frame1 = frame->next;
+ frame1 = get_next_frame (frame);
/* Get saved PC from the frame info if not in innermost frame. */
if (regnum == PC_REGNUM && frame1 != NULL)
if (raw_buffer != NULL)
{
/* Put it back in target format. */
- store_address (raw_buffer, REGISTER_RAW_SIZE (regnum), frame->pc);
+ store_address (raw_buffer, REGISTER_RAW_SIZE (regnum), get_frame_pc (frame));
}
if (addrp != NULL)
*addrp = 0;
{
/* FIXME MVS: wrong test for dummy frame at entry. */
- if (frame1->pc >= (frame1->extra_info->bottom ?
- frame1->extra_info->bottom : read_sp ())
- && frame1->pc <= FRAME_FP (frame1))
+ if (get_frame_pc (frame1) >= (get_frame_extra_info (frame1)->bottom
+ ? get_frame_extra_info (frame1)->bottom
+ : read_sp ())
+ && get_frame_pc (frame1) <= get_frame_base (frame1))
{
/* Dummy frame. All but the window regs are in there somewhere.
The window registers are saved on the stack, just like in a
normal frame. */
if (regnum >= G1_REGNUM && regnum < G1_REGNUM + 7)
- addr = frame1->frame + (regnum - G0_REGNUM) * SPARC_INTREG_SIZE
+ addr = get_frame_base (frame1) + (regnum - G0_REGNUM) * SPARC_INTREG_SIZE
- (FP_REGISTER_BYTES + 8 * SPARC_INTREG_SIZE);
else if (regnum >= I0_REGNUM && regnum < I0_REGNUM + 8)
- addr = (frame1->prev->extra_info->bottom
+ /* NOTE: cagney/2002-05-04: The call to get_prev_frame()
+ is safe/cheap - there will always be a prev frame.
+ This is because frame1 is initialized to frame->next
+ (frame1->prev == frame) and is then advanced towards
+ the innermost (next) frame. */
+ addr = (get_frame_extra_info (get_prev_frame (frame1))->bottom
+ (regnum - I0_REGNUM) * SPARC_INTREG_SIZE
+ FRAME_SAVED_I0);
else if (regnum >= L0_REGNUM && regnum < L0_REGNUM + 8)
- addr = (frame1->prev->extra_info->bottom
+ /* NOTE: cagney/2002-05-04: The call to get_prev_frame()
+ is safe/cheap - there will always be a prev frame.
+ This is because frame1 is initialized to frame->next
+ (frame1->prev == frame) and is then advanced towards
+ the innermost (next) frame. */
+ addr = (get_frame_extra_info (get_prev_frame (frame1))->bottom
+ (regnum - L0_REGNUM) * SPARC_INTREG_SIZE
+ FRAME_SAVED_L0);
else if (regnum >= O0_REGNUM && regnum < O0_REGNUM + 8)
- addr = frame1->frame + (regnum - O0_REGNUM) * SPARC_INTREG_SIZE
+ addr = get_frame_base (frame1) + (regnum - O0_REGNUM) * SPARC_INTREG_SIZE
- (FP_REGISTER_BYTES + 16 * SPARC_INTREG_SIZE);
else if (SPARC_HAS_FPU &&
regnum >= FP0_REGNUM && regnum < FP0_REGNUM + 32)
- addr = frame1->frame + (regnum - FP0_REGNUM) * 4
+ addr = get_frame_base (frame1) + (regnum - FP0_REGNUM) * 4
- (FP_REGISTER_BYTES);
else if (GDB_TARGET_IS_SPARC64 && SPARC_HAS_FPU &&
regnum >= FP0_REGNUM + 32 && regnum < FP_MAX_REGNUM)
- addr = frame1->frame + 32 * 4 + (regnum - FP0_REGNUM - 32) * 8
+ addr = get_frame_base (frame1) + 32 * 4 + (regnum - FP0_REGNUM - 32) * 8
- (FP_REGISTER_BYTES);
else if (regnum >= Y_REGNUM && regnum < NUM_REGS)
- addr = frame1->frame + (regnum - Y_REGNUM) * SPARC_INTREG_SIZE
+ addr = get_frame_base (frame1) + (regnum - Y_REGNUM) * SPARC_INTREG_SIZE
- (FP_REGISTER_BYTES + 24 * SPARC_INTREG_SIZE);
}
- else if (frame1->extra_info->flat)
+ else if (get_frame_extra_info (frame1)->flat)
{
if (regnum == RP_REGNUM)
- addr = frame1->extra_info->pc_addr;
+ addr = get_frame_extra_info (frame1)->pc_addr;
else if (regnum == I7_REGNUM)
- addr = frame1->extra_info->fp_addr;
+ addr = get_frame_extra_info (frame1)->fp_addr;
else
{
CORE_ADDR func_start;
regs = alloca (NUM_REGS * sizeof (CORE_ADDR));
memset (regs, 0, NUM_REGS * sizeof (CORE_ADDR));
- find_pc_partial_function (frame1->pc, NULL, &func_start, NULL);
+ find_pc_partial_function (get_frame_pc (frame1), NULL, &func_start, NULL);
examine_prologue (func_start, 0, frame1, regs);
addr = regs[regnum];
}
{
/* Normal frame. Local and In registers are saved on stack. */
if (regnum >= I0_REGNUM && regnum < I0_REGNUM + 8)
- addr = (frame1->prev->extra_info->bottom
+ addr = (get_frame_extra_info (get_prev_frame (frame1))->bottom
+ (regnum - I0_REGNUM) * SPARC_INTREG_SIZE
+ FRAME_SAVED_I0);
else if (regnum >= L0_REGNUM && regnum < L0_REGNUM + 8)
- addr = (frame1->prev->extra_info->bottom
+ addr = (get_frame_extra_info (get_prev_frame (frame1))->bottom
+ (regnum - L0_REGNUM) * SPARC_INTREG_SIZE
+ FRAME_SAVED_L0);
else if (regnum >= O0_REGNUM && regnum < O0_REGNUM + 8)
{
/* Outs become ins. */
- get_saved_register (raw_buffer, optimized, addrp, frame1,
- (regnum - O0_REGNUM + I0_REGNUM), lval);
+ int realnum;
+ frame_register (frame1, (regnum - O0_REGNUM + I0_REGNUM),
+ optimized, lval, addrp, &realnum, raw_buffer);
return;
}
}
if (addr != 0)
break;
- frame1 = frame1->next;
+ frame1 = get_next_frame (frame1);
}
if (addr != 0)
{
*lval = lval_register;
addr = REGISTER_BYTE (regnum);
if (raw_buffer != NULL)
- read_register_gen (regnum, raw_buffer);
+ deprecated_read_register_gen (regnum, raw_buffer);
}
if (addrp != NULL)
*addrp = addr;
if (GDB_TARGET_IS_SPARC64)
{
/* PC, NPC, CCR, FSR, FPRS, Y, ASI */
- read_register_bytes (REGISTER_BYTE (PC_REGNUM), ®ister_temp[0],
- REGISTER_RAW_SIZE (PC_REGNUM) * 7);
- read_register_bytes (REGISTER_BYTE (PSTATE_REGNUM),
- ®ister_temp[7 * SPARC_INTREG_SIZE],
- REGISTER_RAW_SIZE (PSTATE_REGNUM));
+ deprecated_read_register_bytes (REGISTER_BYTE (PC_REGNUM),
+ ®ister_temp[0],
+ REGISTER_RAW_SIZE (PC_REGNUM) * 7);
+ deprecated_read_register_bytes (REGISTER_BYTE (PSTATE_REGNUM),
+ ®ister_temp[7 * SPARC_INTREG_SIZE],
+ REGISTER_RAW_SIZE (PSTATE_REGNUM));
/* FIXME: not sure what needs to be saved here. */
}
else
{
/* Y, PS, WIM, TBR, PC, NPC, FPS, CPS regs */
- read_register_bytes (REGISTER_BYTE (Y_REGNUM), ®ister_temp[0],
- REGISTER_RAW_SIZE (Y_REGNUM) * 8);
+ deprecated_read_register_bytes (REGISTER_BYTE (Y_REGNUM),
+ ®ister_temp[0],
+ REGISTER_RAW_SIZE (Y_REGNUM) * 8);
}
- read_register_bytes (REGISTER_BYTE (O0_REGNUM),
- ®ister_temp[8 * SPARC_INTREG_SIZE],
- SPARC_INTREG_SIZE * 8);
+ deprecated_read_register_bytes (REGISTER_BYTE (O0_REGNUM),
+ ®ister_temp[8 * SPARC_INTREG_SIZE],
+ SPARC_INTREG_SIZE * 8);
- read_register_bytes (REGISTER_BYTE (G0_REGNUM),
- ®ister_temp[16 * SPARC_INTREG_SIZE],
- SPARC_INTREG_SIZE * 8);
+ deprecated_read_register_bytes (REGISTER_BYTE (G0_REGNUM),
+ ®ister_temp[16 * SPARC_INTREG_SIZE],
+ SPARC_INTREG_SIZE * 8);
if (SPARC_HAS_FPU)
- read_register_bytes (REGISTER_BYTE (FP0_REGNUM),
- ®ister_temp[24 * SPARC_INTREG_SIZE],
- FP_REGISTER_BYTES);
+ deprecated_read_register_bytes (REGISTER_BYTE (FP0_REGNUM),
+ ®ister_temp[24 * SPARC_INTREG_SIZE],
+ FP_REGISTER_BYTES);
sp -= DUMMY_STACK_SIZE;
- write_sp (sp);
+ DEPRECATED_DUMMY_WRITE_SP (sp);
write_memory (sp + DUMMY_REG_SAVE_OFFSET, ®ister_temp[0],
DUMMY_STACK_REG_BUF_SIZE);
I think few ports of GDB get right--if you are popping a frame
which does not save some register that *is* saved by a more inner
frame (such a frame will never be a dummy frame because dummy
- frames save all registers). Rewriting pop_frame to use
- get_saved_register would solve this problem and also get rid of the
- ugly duplication between sparc_frame_find_saved_regs and
- get_saved_register.
+ frames save all registers).
+
+ NOTE: cagney/2003-03-12: Since pop_frame has been rewritten to use
+ frame_unwind_register() the need for this function is questionable.
Stores, into an array of CORE_ADDR,
the addresses of the saved registers of frame described by FRAME_INFO.
sparc_frame_find_saved_regs (struct frame_info *fi, CORE_ADDR *saved_regs_addr)
{
register int regnum;
- CORE_ADDR frame_addr = FRAME_FP (fi);
+ CORE_ADDR frame_addr = get_frame_base (fi);
- if (!fi)
- internal_error (__FILE__, __LINE__,
- "Bad frame info struct in FRAME_FIND_SAVED_REGS");
+ gdb_assert (fi != NULL);
memset (saved_regs_addr, 0, NUM_REGS * sizeof (CORE_ADDR));
- if (fi->pc >= (fi->extra_info->bottom ?
- fi->extra_info->bottom : read_sp ())
- && fi->pc <= FRAME_FP (fi))
+ if (get_frame_pc (fi) >= (get_frame_extra_info (fi)->bottom
+ ? get_frame_extra_info (fi)->bottom
+ : read_sp ())
+ && get_frame_pc (fi) <= get_frame_base (fi))
{
/* Dummy frame. All but the window regs are in there somewhere. */
for (regnum = G1_REGNUM; regnum < G1_REGNUM + 7; regnum++)
frame_addr + (regnum - Y_REGNUM) * SPARC_INTREG_SIZE
- DUMMY_STACK_REG_BUF_SIZE;
- frame_addr = fi->extra_info->bottom ?
- fi->extra_info->bottom : read_sp ();
+ frame_addr = (get_frame_extra_info (fi)->bottom
+ ? get_frame_extra_info (fi)->bottom
+ : read_sp ());
}
- else if (fi->extra_info->flat)
+ else if (get_frame_extra_info (fi)->flat)
{
CORE_ADDR func_start;
- find_pc_partial_function (fi->pc, NULL, &func_start, NULL);
+ find_pc_partial_function (get_frame_pc (fi), NULL, &func_start, NULL);
examine_prologue (func_start, 0, fi, saved_regs_addr);
/* Flat register window frame. */
- saved_regs_addr[RP_REGNUM] = fi->extra_info->pc_addr;
- saved_regs_addr[I7_REGNUM] = fi->extra_info->fp_addr;
+ saved_regs_addr[RP_REGNUM] = get_frame_extra_info (fi)->pc_addr;
+ saved_regs_addr[I7_REGNUM] = get_frame_extra_info (fi)->fp_addr;
}
else
{
/* Normal frame. Just Local and In registers */
- frame_addr = fi->extra_info->bottom ?
- fi->extra_info->bottom : read_sp ();
+ frame_addr = (get_frame_extra_info (fi)->bottom
+ ? get_frame_extra_info (fi)->bottom
+ : read_sp ());
for (regnum = L0_REGNUM; regnum < L0_REGNUM + 8; regnum++)
saved_regs_addr[regnum] =
(frame_addr + (regnum - L0_REGNUM) * SPARC_INTREG_SIZE
(frame_addr + (regnum - I0_REGNUM) * SPARC_INTREG_SIZE
+ FRAME_SAVED_I0);
}
- if (fi->next)
+ if (get_next_frame (fi))
{
- if (fi->extra_info->flat)
+ if (get_frame_extra_info (fi)->flat)
{
- saved_regs_addr[O7_REGNUM] = fi->extra_info->pc_addr;
+ saved_regs_addr[O7_REGNUM] = get_frame_extra_info (fi)->pc_addr;
}
else
{
/* Pull off either the next frame pointer or the stack pointer */
CORE_ADDR next_next_frame_addr =
- (fi->next->extra_info->bottom ?
- fi->next->extra_info->bottom : read_sp ());
+ (get_frame_extra_info (get_next_frame (fi))->bottom
+ ? get_frame_extra_info (get_next_frame (fi))->bottom
+ : read_sp ());
for (regnum = O0_REGNUM; regnum < O0_REGNUM + 8; regnum++)
saved_regs_addr[regnum] =
(next_next_frame_addr
}
/* Otherwise, whatever we would get from ptrace(GETREGS) is accurate */
/* FIXME -- should this adjust for the sparc64 offset? */
- saved_regs_addr[SP_REGNUM] = FRAME_FP (fi);
+ saved_regs_addr[SP_REGNUM] = get_frame_base (fi);
}
/* Discard from the stack the innermost frame, restoring all saved registers.
- Note that the values stored in fsr by get_frame_saved_regs are *in
- the context of the called frame*. What this means is that the i
- regs of fsr must be restored into the o regs of the (calling) frame that
- we pop into. We don't care about the output regs of the calling frame,
- since unless it's a dummy frame, it won't have any output regs in it.
+ Note that the values stored in fsr by
+ deprecated_get_frame_saved_regs are *in the context of the called
+ frame*. What this means is that the i regs of fsr must be restored
+ into the o regs of the (calling) frame that we pop into. We don't
+ care about the output regs of the calling frame, since unless it's
+ a dummy frame, it won't have any output regs in it.
We never have to bother with %l (local) regs, since the called routine's
locals get tossed, and the calling routine's locals are already saved
if (fsr[FP0_REGNUM])
{
read_memory (fsr[FP0_REGNUM], raw_buffer, FP_REGISTER_BYTES);
- write_register_bytes (REGISTER_BYTE (FP0_REGNUM),
- raw_buffer, FP_REGISTER_BYTES);
+ deprecated_write_register_bytes (REGISTER_BYTE (FP0_REGNUM),
+ raw_buffer, FP_REGISTER_BYTES);
}
if (!(GDB_TARGET_IS_SPARC64))
{
if (fsr[FPS_REGNUM])
{
read_memory (fsr[FPS_REGNUM], raw_buffer, SPARC_INTREG_SIZE);
- write_register_gen (FPS_REGNUM, raw_buffer);
+ deprecated_write_register_gen (FPS_REGNUM, raw_buffer);
}
if (fsr[CPS_REGNUM])
{
read_memory (fsr[CPS_REGNUM], raw_buffer, SPARC_INTREG_SIZE);
- write_register_gen (CPS_REGNUM, raw_buffer);
+ deprecated_write_register_gen (CPS_REGNUM, raw_buffer);
}
}
}
if (fsr[G1_REGNUM])
{
read_memory (fsr[G1_REGNUM], raw_buffer, 7 * SPARC_INTREG_SIZE);
- write_register_bytes (REGISTER_BYTE (G1_REGNUM), raw_buffer,
- 7 * SPARC_INTREG_SIZE);
+ deprecated_write_register_bytes (REGISTER_BYTE (G1_REGNUM), raw_buffer,
+ 7 * SPARC_INTREG_SIZE);
}
- if (frame->extra_info->flat)
+ if (get_frame_extra_info (frame)->flat)
{
/* Each register might or might not have been saved, need to test
individually. */
read_memory_integer (fsr[O0_REGNUM + 7],
SPARC_INTREG_SIZE));
- write_sp (frame->frame);
+ DEPRECATED_DUMMY_WRITE_SP (get_frame_base (frame));
}
else if (fsr[I0_REGNUM])
{
char *reg_temp;
- reg_temp = alloca (REGISTER_BYTES);
+ reg_temp = alloca (SPARC_INTREG_SIZE * 16);
read_memory (fsr[I0_REGNUM], raw_buffer, 8 * SPARC_INTREG_SIZE);
/* Restore the out registers.
Among other things this writes the new stack pointer. */
- write_register_bytes (REGISTER_BYTE (O0_REGNUM), raw_buffer,
- SPARC_INTREG_SIZE * 8);
+ deprecated_write_register_bytes (REGISTER_BYTE (O0_REGNUM), raw_buffer,
+ SPARC_INTREG_SIZE * 8);
- write_register_bytes (REGISTER_BYTE (L0_REGNUM), reg_temp,
- SPARC_INTREG_SIZE * 16);
+ deprecated_write_register_bytes (REGISTER_BYTE (L0_REGNUM), reg_temp,
+ SPARC_INTREG_SIZE * 16);
}
if (!(GDB_TARGET_IS_SPARC64))
read_memory_integer (fsr[NPC_REGNUM],
REGISTER_RAW_SIZE (NPC_REGNUM)));
}
- else if (frame->extra_info->flat)
+ else if (get_frame_extra_info (frame)->flat)
{
- if (frame->extra_info->pc_addr)
+ if (get_frame_extra_info (frame)->pc_addr)
pc = PC_ADJUST ((CORE_ADDR)
- read_memory_integer (frame->extra_info->pc_addr,
+ read_memory_integer (get_frame_extra_info (frame)->pc_addr,
REGISTER_RAW_SIZE (PC_REGNUM)));
else
{
/* I think this happens only in the innermost frame, if so then
it is a complicated way of saying
"pc = read_register (O7_REGNUM);". */
- char *buf;
-
- buf = alloca (MAX_REGISTER_RAW_SIZE);
- get_saved_register (buf, 0, 0, frame, O7_REGNUM, 0);
- pc = PC_ADJUST (extract_address
- (buf, REGISTER_RAW_SIZE (O7_REGNUM)));
+ ULONGEST tmp;
+ frame_read_unsigned_register (frame, O7_REGNUM, &tmp);
+ pc = PC_ADJUST (tmp);
}
write_register (PC_REGNUM, pc);
for (regi = 0; regi <= R_I7; regi++)
if ((regno == -1) || (regno == regi))
- read_register_gen (regi, (char *) (regp + regi) + offset);
+ deprecated_read_register_gen (regi, (char *) (regp + regi) + offset);
if ((regno == -1) || (regno == PC_REGNUM))
- read_register_gen (PC_REGNUM, (char *) (regp + R_PC) + offset);
+ deprecated_read_register_gen (PC_REGNUM, (char *) (regp + R_PC) + offset);
if ((regno == -1) || (regno == NPC_REGNUM))
- read_register_gen (NPC_REGNUM, (char *) (regp + R_nPC) + offset);
+ deprecated_read_register_gen (NPC_REGNUM, (char *) (regp + R_nPC) + offset);
if ((regno == -1) || (regno == Y_REGNUM))
- read_register_gen (Y_REGNUM, (char *) (regp + R_Y) + offset);
+ deprecated_read_register_gen (Y_REGNUM, (char *) (regp + R_Y) + offset);
if (GDB_TARGET_IS_SPARC64)
{
#ifdef R_CCR
if (regno == -1 || regno == CCR_REGNUM)
- read_register_gen (CCR_REGNUM, ((char *) (regp + R_CCR)) + offset);
+ deprecated_read_register_gen (CCR_REGNUM, ((char *) (regp + R_CCR)) + offset);
#endif
#ifdef R_FPRS
if (regno == -1 || regno == FPRS_REGNUM)
- read_register_gen (FPRS_REGNUM, ((char *) (regp + R_FPRS)) + offset);
+ deprecated_read_register_gen (FPRS_REGNUM, ((char *) (regp + R_FPRS)) + offset);
#endif
#ifdef R_ASI
if (regno == -1 || regno == ASI_REGNUM)
- read_register_gen (ASI_REGNUM, ((char *) (regp + R_ASI)) + offset);
+ deprecated_read_register_gen (ASI_REGNUM, ((char *) (regp + R_ASI)) + offset);
#endif
}
else /* sparc32 */
{
#ifdef R_PS
if (regno == -1 || regno == PS_REGNUM)
- read_register_gen (PS_REGNUM, ((char *) (regp + R_PS)) + offset);
+ deprecated_read_register_gen (PS_REGNUM, ((char *) (regp + R_PS)) + offset);
#endif
/* For 64-bit hosts, R_WIM and R_TBR may not be defined.
#if defined (R_WIM)
if (regno == -1 || regno == WIM_REGNUM)
- read_register_gen (WIM_REGNUM, ((char *) (regp + R_WIM)) + offset);
+ deprecated_read_register_gen (WIM_REGNUM, ((char *) (regp + R_WIM)) + offset);
#else
if (regno == -1 || regno == WIM_REGNUM)
- read_register_gen (WIM_REGNUM, NULL);
+ deprecated_read_register_gen (WIM_REGNUM, NULL);
#endif
#if defined (R_TBR)
if (regno == -1 || regno == TBR_REGNUM)
- read_register_gen (TBR_REGNUM, ((char *) (regp + R_TBR)) + offset);
+ deprecated_read_register_gen (TBR_REGNUM, ((char *) (regp + R_TBR)) + offset);
#else
if (regno == -1 || regno == TBR_REGNUM)
- read_register_gen (TBR_REGNUM, NULL);
+ deprecated_read_register_gen (TBR_REGNUM, NULL);
#endif
}
}
{
if ((regno == -1) || (regno == regi))
{
- from = (char *) ®isters[REGISTER_BYTE (regi)];
+ from = (char *) &deprecated_registers[REGISTER_BYTE (regi)];
to = (char *) &fpregsetp->pr_fr.pr_regs[regi - FP0_REGNUM];
memcpy (to, from, REGISTER_RAW_SIZE (regi));
}
if (!(GDB_TARGET_IS_SPARC64)) /* FIXME: does Sparc64 have this register? */
if ((regno == -1) || (regno == FPS_REGNUM))
{
- from = (char *)®isters[REGISTER_BYTE (FPS_REGNUM)];
+ from = (char *)&deprecated_registers[REGISTER_BYTE (FPS_REGNUM)];
to = (char *) &fpregsetp->pr_fsr;
memcpy (to, from, REGISTER_RAW_SIZE (FPS_REGNUM));
}
}
}
-/* PRINT_REGISTER_HOOK routine.
- Pretty print various registers. */
+/* Pretty print various registers. */
/* FIXME: Would be nice if this did some fancy things for 32 bit sparc. */
-void
+static void
sparc_print_register_hook (int regno)
{
ULONGEST val;
{
char value[16];
- if (frame_register_read (selected_frame, regno, value)
- && frame_register_read (selected_frame, regno + 1, value + 4))
+ if (frame_register_read (deprecated_selected_frame, regno, value)
+ && frame_register_read (deprecated_selected_frame, regno + 1, value + 4))
{
printf_unfiltered ("\t");
print_floating (value, builtin_type_double, gdb_stdout);
#if 0 /* FIXME: gdb doesn't handle long doubles */
if ((regno & 3) == 0)
{
- if (frame_register_read (selected_frame, regno + 2, value + 8)
- && frame_register_read (selected_frame, regno + 3, value + 12))
+ if (frame_register_read (deprecated_selected_frame, regno + 2, value + 8)
+ && frame_register_read (deprecated_selected_frame, regno + 3, value + 12))
{
printf_unfiltered ("\t");
print_floating (value, builtin_type_long_double, gdb_stdout);
{
char value[16];
- if (frame_register_read (selected_frame, regno, value)
- && frame_register_read (selected_frame, regno + 1, value + 8))
+ if (frame_register_read (deprecated_selected_frame, regno, value)
+ && frame_register_read (deprecated_selected_frame, regno + 1, value + 8))
{
printf_unfiltered ("\t");
print_floating (value, builtin_type_long_double, gdb_stdout);
#undef BITS
}
+
+static void
+sparc_print_registers (struct gdbarch *gdbarch,
+ struct ui_file *file,
+ struct frame_info *frame,
+ int regnum, int print_all,
+ void (*print_register_hook) (int))
+{
+ int i;
+ const int numregs = NUM_REGS + NUM_PSEUDO_REGS;
+ char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
+ char *virtual_buffer = alloca (MAX_REGISTER_VIRTUAL_SIZE);
+
+ for (i = 0; i < numregs; i++)
+ {
+ /* Decide between printing all regs, non-float / vector regs, or
+ specific reg. */
+ if (regnum == -1)
+ {
+ if (!print_all)
+ {
+ if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
+ continue;
+ if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)))
+ continue;
+ }
+ }
+ else
+ {
+ if (i != regnum)
+ continue;
+ }
+
+ /* If the register name is empty, it is undefined for this
+ processor, so don't display anything. */
+ if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
+ continue;
+
+ fputs_filtered (REGISTER_NAME (i), file);
+ print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file);
+
+ /* Get the data in raw format. */
+ if (! frame_register_read (frame, i, raw_buffer))
+ {
+ fprintf_filtered (file, "*value not available*\n");
+ continue;
+ }
+
+ /* FIXME: cagney/2002-08-03: This code shouldn't be necessary.
+ The function frame_register_read() should have returned the
+ pre-cooked register so no conversion is necessary. */
+ /* Convert raw data to virtual format if necessary. */
+ if (REGISTER_CONVERTIBLE (i))
+ {
+ REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
+ raw_buffer, virtual_buffer);
+ }
+ else
+ {
+ memcpy (virtual_buffer, raw_buffer,
+ REGISTER_VIRTUAL_SIZE (i));
+ }
+
+ /* If virtual format is floating, print it that way, and in raw
+ hex. */
+ if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
+ {
+ int j;
+
+ val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+ file, 0, 1, 0, Val_pretty_default);
+
+ fprintf_filtered (file, "\t(raw 0x");
+ for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
+ {
+ int idx;
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ idx = j;
+ else
+ idx = REGISTER_RAW_SIZE (i) - 1 - j;
+ fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]);
+ }
+ fprintf_filtered (file, ")");
+ }
+ else
+ {
+ /* Print the register in hex. */
+ val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+ file, 'x', 1, 0, Val_pretty_default);
+ /* If not a vector register, print it also according to its
+ natural format. */
+ if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)) == 0)
+ {
+ fprintf_filtered (file, "\t");
+ val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+ file, 0, 1, 0, Val_pretty_default);
+ }
+ }
+
+ /* Some sparc specific info. */
+ if (print_register_hook != NULL)
+ print_register_hook (i);
+
+ fprintf_filtered (file, "\n");
+ }
+}
+
+static void
+sparc_print_registers_info (struct gdbarch *gdbarch,
+ struct ui_file *file,
+ struct frame_info *frame,
+ int regnum, int print_all)
+{
+ sparc_print_registers (gdbarch, file, frame, regnum, print_all,
+ sparc_print_register_hook);
+}
+
+void
+sparc_do_registers_info (int regnum, int all)
+{
+ sparc_print_registers_info (current_gdbarch, gdb_stdout, deprecated_selected_frame,
+ regnum, all);
+}
+
+#if 0
+// OBSOLETE static void
+// OBSOLETE sparclet_print_registers_info (struct gdbarch *gdbarch,
+// OBSOLETE struct ui_file *file,
+// OBSOLETE struct frame_info *frame,
+// OBSOLETE int regnum, int print_all)
+// OBSOLETE {
+// OBSOLETE sparc_print_registers (gdbarch, file, frame, regnum, print_all, NULL);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE sparclet_do_registers_info (int regnum, int all)
+// OBSOLETE {
+// OBSOLETE sparclet_print_registers_info (current_gdbarch, gdb_stdout,
+// OBSOLETE deprecated_selected_frame, regnum, all);
+// OBSOLETE }
+#endif
+
\f
int
gdb_print_insn_sparc (bfd_vma memaddr, disassemble_info *info)
}
/* Make room for the arguments on the stack. */
- accumulate_size += CALL_DUMMY_STACK_ADJUST;
- sp = ((sp - accumulate_size) & ~7) + CALL_DUMMY_STACK_ADJUST;
+ accumulate_size += DEPRECATED_CALL_DUMMY_STACK_ADJUST;
+ sp = ((sp - accumulate_size) & ~7) + DEPRECATED_CALL_DUMMY_STACK_ADJUST;
/* `Push' arguments on the stack. */
for (i = 0, oregnum = 0, m_arg = sparc_args;
for (j = 0;
j < m_arg->len && oregnum < 6;
j += SPARC_INTREG_SIZE, oregnum++)
- write_register_gen (O0_REGNUM + oregnum, m_arg->contents + j);
+ deprecated_write_register_gen (O0_REGNUM + oregnum, m_arg->contents + j);
}
return sp;
memset (buffer, 0, REGISTER_RAW_SIZE (regno));
memcpy (buffer + REGISTER_RAW_SIZE (regno) - TYPE_LENGTH (type), valbuf,
TYPE_LENGTH (type));
- write_register_gen (regno, buffer);
+ deprecated_write_register_gen (regno, buffer);
}
else
- write_register_bytes (REGISTER_BYTE (regno), valbuf, TYPE_LENGTH (type));
+ deprecated_write_register_bytes (REGISTER_BYTE (regno), valbuf,
+ TYPE_LENGTH (type));
}
-extern void
-sparclet_store_return_value (struct type *type, char *valbuf)
-{
- /* Other values are returned in register %o0. */
- write_register_bytes (REGISTER_BYTE (O0_REGNUM), valbuf,
- TYPE_LENGTH (type));
-}
+#if 0
+// OBSOLETE extern void
+// OBSOLETE sparclet_store_return_value (struct type *type, char *valbuf)
+// OBSOLETE {
+// OBSOLETE /* Other values are returned in register %o0. */
+// OBSOLETE deprecated_write_register_bytes (REGISTER_BYTE (O0_REGNUM), valbuf,
+// OBSOLETE TYPE_LENGTH (type));
+// OBSOLETE }
+#endif
#ifndef CALL_DUMMY_CALL_OFFSET
}
}
- /* If this is a bi-endian target, GDB has written the call dummy
- in little-endian order. We must byte-swap it back to big-endian. */
- if (bi_endian)
- {
- for (i = 0; i < CALL_DUMMY_LENGTH; i += 4)
- {
- char tmp = dummy[i];
- dummy[i] = dummy[i + 3];
- dummy[i + 3] = tmp;
- tmp = dummy[i + 1];
- dummy[i + 1] = dummy[i + 2];
- dummy[i + 2] = tmp;
- }
- }
+#if 0
+// OBSOLETE /* If this is a bi-endian target, GDB has written the call dummy
+// OBSOLETE in little-endian order. We must byte-swap it back to big-endian. */
+// OBSOLETE if (bi_endian)
+// OBSOLETE {
+// OBSOLETE for (i = 0; i < CALL_DUMMY_LENGTH; i += 4)
+// OBSOLETE {
+// OBSOLETE char tmp = dummy[i];
+// OBSOLETE dummy[i] = dummy[i + 3];
+// OBSOLETE dummy[i + 3] = tmp;
+// OBSOLETE tmp = dummy[i + 1];
+// OBSOLETE dummy[i + 1] = dummy[i + 2];
+// OBSOLETE dummy[i + 2] = tmp;
+// OBSOLETE }
+// OBSOLETE }
+#endif
}
-/* Set target byte order based on machine type. */
-
-static int
-sparc_target_architecture_hook (const bfd_arch_info_type *ap)
-{
- int i, j;
-
- if (ap->mach == bfd_mach_sparc_sparclite_le)
- {
- target_byte_order = BFD_ENDIAN_LITTLE;
- bi_endian = 1;
- }
- else
- bi_endian = 0;
- return 1;
-}
-\f
+#if 0
+// OBSOLETE /* Set target byte order based on machine type. */
+// OBSOLETE
+// OBSOLETE static int
+// OBSOLETE sparc_target_architecture_hook (const bfd_arch_info_type *ap)
+// OBSOLETE {
+// OBSOLETE int i, j;
+// OBSOLETE
+// OBSOLETE if (ap->mach == bfd_mach_sparc_sparclite_le)
+// OBSOLETE {
+// OBSOLETE target_byte_order = BFD_ENDIAN_LITTLE;
+// OBSOLETE bi_endian = 1;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE bi_endian = 0;
+// OBSOLETE return 1;
+// OBSOLETE }
+#endif
/*
* Module "constructor" function.
static struct gdbarch * sparc_gdbarch_init (struct gdbarch_info info,
struct gdbarch_list *arches);
+static void sparc_dump_tdep (struct gdbarch *, struct ui_file *);
void
_initialize_sparc_tdep (void)
{
/* Hook us into the gdbarch mechanism. */
- register_gdbarch_init (bfd_arch_sparc, sparc_gdbarch_init);
+ gdbarch_register (bfd_arch_sparc, sparc_gdbarch_init, sparc_dump_tdep);
tm_print_insn = gdb_print_insn_sparc;
tm_print_insn_info.mach = TM_PRINT_INSN_MACH; /* Selects sparc/sparclite */
- target_architecture_hook = sparc_target_architecture_hook;
+ /* OBSOLETE target_architecture_hook = sparc_target_architecture_hook; */
}
/* Compensate for stack bias. Note that we currently don't handle
default:
internal_error (__FILE__, __LINE__, "bad switch");
}
- write_register_bytes (REGISTER_BYTE (fpreg),
- VALUE_CONTENTS (args[i]),
- len);
+ deprecated_write_register_bytes (REGISTER_BYTE (fpreg),
+ VALUE_CONTENTS (args[i]),
+ len);
}
}
else /* all other args go into the first six 'o' registers */
{
int oreg = O0_REGNUM + register_counter;
- write_register_gen (oreg, VALUE_CONTENTS (copyarg) + j);
+ deprecated_write_register_gen (oreg, VALUE_CONTENTS (copyarg) + j);
register_counter += 1;
}
}
sp64_extract_return_value (type, regbuf, valbuf, 0);
}
-extern void
-sparclet_extract_return_value (struct type *type,
- char *regbuf,
- char *valbuf)
-{
- regbuf += REGISTER_RAW_SIZE (O0_REGNUM) * 8;
- if (TYPE_LENGTH (type) < REGISTER_RAW_SIZE (O0_REGNUM))
- regbuf += REGISTER_RAW_SIZE (O0_REGNUM) - TYPE_LENGTH (type);
-
- memcpy ((void *) valbuf, regbuf, TYPE_LENGTH (type));
-}
-
+#if 0
+// OBSOLETE extern void
+// OBSOLETE sparclet_extract_return_value (struct type *type,
+// OBSOLETE char *regbuf,
+// OBSOLETE char *valbuf)
+// OBSOLETE {
+// OBSOLETE regbuf += REGISTER_RAW_SIZE (O0_REGNUM) * 8;
+// OBSOLETE if (TYPE_LENGTH (type) < REGISTER_RAW_SIZE (O0_REGNUM))
+// OBSOLETE regbuf += REGISTER_RAW_SIZE (O0_REGNUM) - TYPE_LENGTH (type);
+// OBSOLETE
+// OBSOLETE memcpy ((void *) valbuf, regbuf, TYPE_LENGTH (type));
+// OBSOLETE }
+#endif
extern CORE_ADDR
sparc32_stack_align (CORE_ADDR addr)
extern void
sparc_print_extra_frame_info (struct frame_info *fi)
{
- if (fi && fi->extra_info && fi->extra_info->flat)
+ if (fi && get_frame_extra_info (fi) && get_frame_extra_info (fi)->flat)
printf_filtered (" flat, pc saved at 0x%s, fp saved at 0x%s\n",
- paddr_nz (fi->extra_info->pc_addr),
- paddr_nz (fi->extra_info->fp_addr));
+ paddr_nz (get_frame_extra_info (fi)->pc_addr),
+ paddr_nz (get_frame_extra_info (fi)->fp_addr));
}
/* MULTI_ARCH support */
-static char *
+static const char *
sparc32_register_name (int regno)
{
static char *register_names[] =
return register_names[regno];
}
-static char *
+static const char *
sparc64_register_name (int regno)
{
static char *register_names[] =
return register_names[regno];
}
-static char *
-sparclite_register_name (int regno)
-{
- static char *register_names[] =
- { "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
- "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7",
- "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
- "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7",
-
- "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
- "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
- "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
- "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
-
- "y", "psr", "wim", "tbr", "pc", "npc", "fpsr", "cpsr",
- "dia1", "dia2", "dda1", "dda2", "ddv1", "ddv2", "dcr", "dsr"
- };
-
- if (regno < 0 ||
- regno >= (sizeof (register_names) / sizeof (register_names[0])))
- return NULL;
- else
- return register_names[regno];
-}
-
-static char *
-sparclet_register_name (int regno)
-{
- static char *register_names[] =
- { "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
- "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7",
- "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
- "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7",
-
- "", "", "", "", "", "", "", "", /* no floating point registers */
- "", "", "", "", "", "", "", "",
- "", "", "", "", "", "", "", "",
- "", "", "", "", "", "", "", "",
-
- "y", "psr", "wim", "tbr", "pc", "npc", "", "", /* no FPSR or CPSR */
- "ccsr", "ccpr", "cccrcr", "ccor", "ccobr", "ccibr", "ccir", "",
-
- /* ASR15 ASR19 (don't display them) */
- "asr1", "", "asr17", "asr18", "", "asr20", "asr21", "asr22"
- /* None of the rest get displayed */
#if 0
- "awr0", "awr1", "awr2", "awr3", "awr4", "awr5", "awr6", "awr7",
- "awr8", "awr9", "awr10", "awr11", "awr12", "awr13", "awr14", "awr15",
- "awr16", "awr17", "awr18", "awr19", "awr20", "awr21", "awr22", "awr23",
- "awr24", "awr25", "awr26", "awr27", "awr28", "awr29", "awr30", "awr31",
- "apsr"
-#endif /* 0 */
- };
+// OBSOLETE static const char *
+// OBSOLETE sparclite_register_name (int regno)
+// OBSOLETE {
+// OBSOLETE static char *register_names[] =
+// OBSOLETE { "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
+// OBSOLETE "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7",
+// OBSOLETE "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
+// OBSOLETE "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7",
+// OBSOLETE
+// OBSOLETE "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
+// OBSOLETE "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
+// OBSOLETE "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
+// OBSOLETE "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
+// OBSOLETE
+// OBSOLETE "y", "psr", "wim", "tbr", "pc", "npc", "fpsr", "cpsr",
+// OBSOLETE "dia1", "dia2", "dda1", "dda2", "ddv1", "ddv2", "dcr", "dsr"
+// OBSOLETE };
+// OBSOLETE
+// OBSOLETE if (regno < 0 ||
+// OBSOLETE regno >= (sizeof (register_names) / sizeof (register_names[0])))
+// OBSOLETE return NULL;
+// OBSOLETE else
+// OBSOLETE return register_names[regno];
+// OBSOLETE }
+#endif
- if (regno < 0 ||
- regno >= (sizeof (register_names) / sizeof (register_names[0])))
- return NULL;
- else
- return register_names[regno];
-}
+#if 0
+// OBSOLETE static const char *
+// OBSOLETE sparclet_register_name (int regno)
+// OBSOLETE {
+// OBSOLETE static char *register_names[] =
+// OBSOLETE { "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
+// OBSOLETE "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7",
+// OBSOLETE "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
+// OBSOLETE "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7",
+// OBSOLETE
+// OBSOLETE "", "", "", "", "", "", "", "", /* no floating point registers */
+// OBSOLETE "", "", "", "", "", "", "", "",
+// OBSOLETE "", "", "", "", "", "", "", "",
+// OBSOLETE "", "", "", "", "", "", "", "",
+// OBSOLETE
+// OBSOLETE "y", "psr", "wim", "tbr", "pc", "npc", "", "", /* no FPSR or CPSR */
+// OBSOLETE "ccsr", "ccpr", "cccrcr", "ccor", "ccobr", "ccibr", "ccir", "",
+// OBSOLETE
+// OBSOLETE /* ASR15 ASR19 (don't display them) */
+// OBSOLETE "asr1", "", "asr17", "asr18", "", "asr20", "asr21", "asr22"
+// OBSOLETE /* None of the rest get displayed */
+// OBSOLETE #if 0
+// OBSOLETE "awr0", "awr1", "awr2", "awr3", "awr4", "awr5", "awr6", "awr7",
+// OBSOLETE "awr8", "awr9", "awr10", "awr11", "awr12", "awr13", "awr14", "awr15",
+// OBSOLETE "awr16", "awr17", "awr18", "awr19", "awr20", "awr21", "awr22", "awr23",
+// OBSOLETE "awr24", "awr25", "awr26", "awr27", "awr28", "awr29", "awr30", "awr31",
+// OBSOLETE "apsr"
+// OBSOLETE #endif /* 0 */
+// OBSOLETE };
+// OBSOLETE
+// OBSOLETE if (regno < 0 ||
+// OBSOLETE regno >= (sizeof (register_names) / sizeof (register_names[0])))
+// OBSOLETE return NULL;
+// OBSOLETE else
+// OBSOLETE return register_names[regno];
+// OBSOLETE }
+#endif
CORE_ADDR
sparc_push_return_address (CORE_ADDR pc_unused, CORE_ADDR sp)
return 64 * 8 + (regno - 80) * 8;
}
-/* Advance PC across any function entry prologue instructions to reach
- some "real" code. SKIP_PROLOGUE_FRAMELESS_P advances the PC past
- some of the prologue, but stops as soon as it knows that the
- function has a frame. Its result is equal to its input PC if the
- function is frameless, unequal otherwise. */
-
-static CORE_ADDR
-sparc_gdbarch_skip_prologue (CORE_ADDR ip)
-{
- return examine_prologue (ip, 0, NULL, NULL);
-}
-
/* Immediately after a function call, return the saved pc.
Can't go through the frames for this because on some machines
the new frame is not set up until the new function executes
sparc_fix_call_dummy (dummy, pc, fun, type, gcc_p);
}
-/* Coerce float to double: a no-op. */
-
-static int
-sparc_coerce_float_to_double (struct type *formal, struct type *actual)
-{
- return 1;
-}
-
/* CALL_DUMMY_ADDRESS: fetch the breakpoint address for a call dummy. */
static CORE_ADDR
};
static LONGEST call_dummy_nil[] = {0};
+ /* Try to determine the OS ABI of the object we are loading. */
+
+ if (info.abfd != NULL
+ && info.osabi == GDB_OSABI_UNKNOWN)
+ {
+ /* If it's an ELF file, assume it's Solaris. */
+ if (bfd_get_flavour (info.abfd) == bfd_target_elf_flavour)
+ info.osabi = GDB_OSABI_SOLARIS;
+ }
+
/* First see if there is already a gdbarch that can satisfy the request. */
arches = gdbarch_list_lookup_by_info (arches, &info);
if (arches != NULL)
/* First set settings that are common for all sparc architectures. */
set_gdbarch_believe_pcc_promotion (gdbarch, 1);
set_gdbarch_breakpoint_from_pc (gdbarch, memory_breakpoint_from_pc);
- set_gdbarch_coerce_float_to_double (gdbarch,
- sparc_coerce_float_to_double);
- set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 1);
- set_gdbarch_call_dummy_p (gdbarch, 1);
- set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 1);
set_gdbarch_decr_pc_after_break (gdbarch, 0);
set_gdbarch_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
- set_gdbarch_extract_struct_value_address (gdbarch,
- sparc_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, sparc_extract_struct_value_address);
set_gdbarch_fix_call_dummy (gdbarch, sparc_gdbarch_fix_call_dummy);
set_gdbarch_float_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_fp_regnum (gdbarch, SPARC_FP_REGNUM);
set_gdbarch_fp0_regnum (gdbarch, SPARC_FP0_REGNUM);
- set_gdbarch_frame_args_address (gdbarch, default_frame_address);
- set_gdbarch_frame_chain (gdbarch, sparc_frame_chain);
- set_gdbarch_frame_init_saved_regs (gdbarch, sparc_frame_init_saved_regs);
- set_gdbarch_frame_locals_address (gdbarch, default_frame_address);
+ set_gdbarch_deprecated_frame_chain (gdbarch, sparc_frame_chain);
+ set_gdbarch_deprecated_frame_init_saved_regs (gdbarch, sparc_frame_init_saved_regs);
set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown);
- set_gdbarch_frame_saved_pc (gdbarch, sparc_frame_saved_pc);
+ set_gdbarch_deprecated_frame_saved_pc (gdbarch, sparc_frame_saved_pc);
set_gdbarch_frameless_function_invocation (gdbarch,
frameless_look_for_prologue);
- set_gdbarch_get_saved_register (gdbarch, sparc_get_saved_register);
- set_gdbarch_init_extra_frame_info (gdbarch, sparc_init_extra_frame_info);
+ set_gdbarch_deprecated_get_saved_register (gdbarch, sparc_get_saved_register);
+ set_gdbarch_deprecated_init_extra_frame_info (gdbarch, sparc_init_extra_frame_info);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_int_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_long_double_bit (gdbarch, 16 * TARGET_CHAR_BIT);
set_gdbarch_long_long_bit (gdbarch, 8 * TARGET_CHAR_BIT);
- set_gdbarch_max_register_raw_size (gdbarch, 8);
- set_gdbarch_max_register_virtual_size (gdbarch, 8);
- set_gdbarch_pop_frame (gdbarch, sparc_pop_frame);
- set_gdbarch_push_return_address (gdbarch, sparc_push_return_address);
- set_gdbarch_push_dummy_frame (gdbarch, sparc_push_dummy_frame);
+ set_gdbarch_deprecated_max_register_raw_size (gdbarch, 8);
+ set_gdbarch_deprecated_max_register_virtual_size (gdbarch, 8);
+ set_gdbarch_deprecated_pop_frame (gdbarch, sparc_pop_frame);
+ set_gdbarch_deprecated_push_return_address (gdbarch, sparc_push_return_address);
+ set_gdbarch_deprecated_push_dummy_frame (gdbarch, sparc_push_dummy_frame);
set_gdbarch_read_pc (gdbarch, generic_target_read_pc);
set_gdbarch_register_convert_to_raw (gdbarch, sparc_convert_to_raw);
set_gdbarch_register_convert_to_virtual (gdbarch,
generic_register_convertible_not);
set_gdbarch_reg_struct_has_addr (gdbarch, sparc_reg_struct_has_addr);
set_gdbarch_return_value_on_stack (gdbarch, sparc_return_value_on_stack);
- set_gdbarch_saved_pc_after_call (gdbarch, sparc_saved_pc_after_call);
+ set_gdbarch_deprecated_saved_pc_after_call (gdbarch, sparc_saved_pc_after_call);
+ set_gdbarch_prologue_frameless_p (gdbarch, sparc_prologue_frameless_p);
set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
- set_gdbarch_skip_prologue (gdbarch, sparc_gdbarch_skip_prologue);
+ set_gdbarch_skip_prologue (gdbarch, sparc_skip_prologue);
set_gdbarch_sp_regnum (gdbarch, SPARC_SP_REGNUM);
- set_gdbarch_use_generic_dummy_frames (gdbarch, 0);
+ set_gdbarch_deprecated_use_generic_dummy_frames (gdbarch, 0);
set_gdbarch_write_pc (gdbarch, generic_target_write_pc);
/*
switch (info.bfd_arch_info->mach)
{
case bfd_mach_sparc:
- case bfd_mach_sparc_sparclet:
- case bfd_mach_sparc_sparclite:
+#if 0
+ // OBSOLETE case bfd_mach_sparc_sparclet:
+ // OBSOLETE case bfd_mach_sparc_sparclite:
+#endif
case bfd_mach_sparc_v8plus:
case bfd_mach_sparc_v8plusa:
- case bfd_mach_sparc_sparclite_le:
+#if 0
+ // OBSOLETE case bfd_mach_sparc_sparclite_le:
+#endif
/* 32-bit machine types: */
#ifdef SPARC32_CALL_DUMMY_ON_STACK
- set_gdbarch_pc_in_call_dummy (gdbarch, pc_in_call_dummy_on_stack);
+ set_gdbarch_deprecated_pc_in_call_dummy (gdbarch, deprecated_pc_in_call_dummy_on_stack);
set_gdbarch_call_dummy_address (gdbarch, sparc_call_dummy_address);
set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0x30);
set_gdbarch_call_dummy_length (gdbarch, 0x38);
+
+ /* NOTE: cagney/2002-04-26: Based from info posted by Peter
+ Schauer around Oct '99. Briefly, due to aspects of the SPARC
+ ABI, it isn't possible to use ON_STACK with a strictly
+ compliant compiler.
+
+ Peter Schauer writes ...
+
+ No, any call from GDB to a user function returning a
+ struct/union will fail miserably. Try this:
+
+ *NOINDENT*
+ struct x
+ {
+ int a[4];
+ };
+
+ struct x gx;
+
+ struct x
+ sret ()
+ {
+ return gx;
+ }
+
+ main ()
+ {
+ int i;
+ for (i = 0; i < 4; i++)
+ gx.a[i] = i + 1;
+ gx = sret ();
+ }
+ *INDENT*
+
+ Set a breakpoint at the gx = sret () statement, run to it and
+ issue a `print sret()'. It will not succed with your
+ approach, and I doubt that continuing the program will work
+ as well.
+
+ For details of the ABI see the Sparc Architecture Manual. I
+ have Version 8 (Prentice Hall ISBN 0-13-825001-4) and the
+ calling conventions for functions returning aggregate values
+ are explained in Appendix D.3. */
+
set_gdbarch_call_dummy_location (gdbarch, ON_STACK);
set_gdbarch_call_dummy_words (gdbarch, call_dummy_32);
#else
- set_gdbarch_pc_in_call_dummy (gdbarch, pc_in_call_dummy_at_entry_point);
- set_gdbarch_call_dummy_address (gdbarch, entry_point_address);
- set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0);
- set_gdbarch_call_dummy_length (gdbarch, 0);
- set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
+ set_gdbarch_deprecated_pc_in_call_dummy (gdbarch, deprecated_pc_in_call_dummy_at_entry_point);
set_gdbarch_call_dummy_words (gdbarch, call_dummy_nil);
#endif
- set_gdbarch_call_dummy_stack_adjust (gdbarch, 68);
- set_gdbarch_call_dummy_start_offset (gdbarch, 0);
+ set_gdbarch_deprecated_call_dummy_stack_adjust (gdbarch, 68);
set_gdbarch_frame_args_skip (gdbarch, 68);
set_gdbarch_function_start_offset (gdbarch, 0);
set_gdbarch_long_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_npc_regnum (gdbarch, SPARC32_NPC_REGNUM);
set_gdbarch_pc_regnum (gdbarch, SPARC32_PC_REGNUM);
set_gdbarch_ptr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
- set_gdbarch_push_arguments (gdbarch, sparc32_push_arguments);
+ set_gdbarch_deprecated_push_arguments (gdbarch, sparc32_push_arguments);
set_gdbarch_read_fp (gdbarch, generic_target_read_fp);
set_gdbarch_read_sp (gdbarch, generic_target_read_sp);
set_gdbarch_sizeof_call_dummy_words (gdbarch, 0);
#endif
set_gdbarch_stack_align (gdbarch, sparc32_stack_align);
- set_gdbarch_store_struct_return (gdbarch, sparc32_store_struct_return);
+ set_gdbarch_deprecated_extra_stack_alignment_needed (gdbarch, 1);
+ set_gdbarch_deprecated_store_struct_return (gdbarch, sparc32_store_struct_return);
set_gdbarch_use_struct_convention (gdbarch,
generic_use_struct_convention);
- set_gdbarch_write_sp (gdbarch, generic_target_write_sp);
+ set_gdbarch_deprecated_dummy_write_sp (gdbarch, generic_target_write_sp);
tdep->y_regnum = SPARC32_Y_REGNUM;
tdep->fp_max_regnum = SPARC_FP0_REGNUM + 32;
tdep->intreg_size = 4;
default: /* Any new machine type is likely to be 64-bit. */
#ifdef SPARC64_CALL_DUMMY_ON_STACK
- set_gdbarch_pc_in_call_dummy (gdbarch, pc_in_call_dummy_on_stack);
+ set_gdbarch_deprecated_pc_in_call_dummy (gdbarch, deprecated_pc_in_call_dummy_on_stack);
set_gdbarch_call_dummy_address (gdbarch, sparc_call_dummy_address);
set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 8 * 4);
set_gdbarch_call_dummy_length (gdbarch, 192);
set_gdbarch_call_dummy_start_offset (gdbarch, 148);
set_gdbarch_call_dummy_words (gdbarch, call_dummy_64);
#else
- set_gdbarch_pc_in_call_dummy (gdbarch, pc_in_call_dummy_at_entry_point);
- set_gdbarch_call_dummy_address (gdbarch, entry_point_address);
- set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0);
- set_gdbarch_call_dummy_length (gdbarch, 0);
- set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
- set_gdbarch_call_dummy_start_offset (gdbarch, 0);
+ set_gdbarch_deprecated_pc_in_call_dummy (gdbarch, deprecated_pc_in_call_dummy_at_entry_point);
set_gdbarch_call_dummy_words (gdbarch, call_dummy_nil);
#endif
- set_gdbarch_call_dummy_stack_adjust (gdbarch, 128);
+ set_gdbarch_deprecated_call_dummy_stack_adjust (gdbarch, 128);
set_gdbarch_frame_args_skip (gdbarch, 136);
set_gdbarch_function_start_offset (gdbarch, 0);
set_gdbarch_long_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_npc_regnum (gdbarch, SPARC64_NPC_REGNUM);
set_gdbarch_pc_regnum (gdbarch, SPARC64_PC_REGNUM);
set_gdbarch_ptr_bit (gdbarch, 8 * TARGET_CHAR_BIT);
- set_gdbarch_push_arguments (gdbarch, sparc64_push_arguments);
+ set_gdbarch_deprecated_push_arguments (gdbarch, sparc64_push_arguments);
/* NOTE different for at_entry */
set_gdbarch_read_fp (gdbarch, sparc64_read_fp);
set_gdbarch_read_sp (gdbarch, sparc64_read_sp);
set_gdbarch_sizeof_call_dummy_words (gdbarch, 0);
#endif
set_gdbarch_stack_align (gdbarch, sparc64_stack_align);
- set_gdbarch_store_struct_return (gdbarch, sparc64_store_struct_return);
+ set_gdbarch_deprecated_extra_stack_alignment_needed (gdbarch, 1);
+ set_gdbarch_deprecated_store_struct_return (gdbarch, sparc64_store_struct_return);
set_gdbarch_use_struct_convention (gdbarch,
sparc64_use_struct_convention);
- set_gdbarch_write_sp (gdbarch, sparc64_write_sp);
+ set_gdbarch_deprecated_dummy_write_sp (gdbarch, sparc64_write_sp);
tdep->y_regnum = SPARC64_Y_REGNUM;
tdep->fp_max_regnum = SPARC_FP0_REGNUM + 48;
tdep->intreg_size = 8;
switch (info.bfd_arch_info->mach)
{
case bfd_mach_sparc:
- set_gdbarch_extract_return_value (gdbarch, sparc32_extract_return_value);
- set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid);
+ set_gdbarch_deprecated_extract_return_value (gdbarch, sparc32_extract_return_value);
set_gdbarch_num_regs (gdbarch, 72);
set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4);
set_gdbarch_register_name (gdbarch, sparc32_register_name);
- set_gdbarch_store_return_value (gdbarch, sparc_store_return_value);
- tdep->has_fpu = 1; /* (all but sparclet and sparclite) */
+ set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value);
+#if 0
+ // OBSOLETE tdep->has_fpu = 1; /* (all but sparclet and sparclite) */
+#endif
tdep->fp_register_bytes = 32 * 4;
tdep->print_insn_mach = bfd_mach_sparc;
break;
- case bfd_mach_sparc_sparclet:
- set_gdbarch_extract_return_value (gdbarch,
- sparclet_extract_return_value);
- set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid);
- set_gdbarch_num_regs (gdbarch, 32 + 32 + 8 + 8 + 8);
- set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4 + 8*4 + 8*4);
- set_gdbarch_register_name (gdbarch, sparclet_register_name);
- set_gdbarch_store_return_value (gdbarch, sparclet_store_return_value);
- tdep->has_fpu = 0; /* (all but sparclet and sparclite) */
- tdep->fp_register_bytes = 0;
- tdep->print_insn_mach = bfd_mach_sparc_sparclet;
- break;
- case bfd_mach_sparc_sparclite:
- set_gdbarch_extract_return_value (gdbarch, sparc32_extract_return_value);
- set_gdbarch_frame_chain_valid (gdbarch, func_frame_chain_valid);
- set_gdbarch_num_regs (gdbarch, 80);
- set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4 + 8*4);
- set_gdbarch_register_name (gdbarch, sparclite_register_name);
- set_gdbarch_store_return_value (gdbarch, sparc_store_return_value);
- tdep->has_fpu = 0; /* (all but sparclet and sparclite) */
- tdep->fp_register_bytes = 0;
- tdep->print_insn_mach = bfd_mach_sparc_sparclite;
- break;
+#if 0
+ // OBSOLETE case bfd_mach_sparc_sparclet:
+ // OBSOLETE set_gdbarch_deprecated_extract_return_value (gdbarch, sparclet_extract_return_value);
+ // OBSOLETE set_gdbarch_num_regs (gdbarch, 32 + 32 + 8 + 8 + 8);
+ // OBSOLETE set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4 + 8*4 + 8*4);
+ // OBSOLETE set_gdbarch_register_name (gdbarch, sparclet_register_name);
+ // OBSOLETE set_gdbarch_deprecated_store_return_value (gdbarch, sparclet_store_return_value);
+ // OBSOLETE tdep->has_fpu = 0; /* (all but sparclet and sparclite) */
+ // OBSOLETE tdep->fp_register_bytes = 0;
+ // OBSOLETE tdep->print_insn_mach = bfd_mach_sparc_sparclet;
+ // OBSOLETE break;
+#endif
+#if 0
+ // OBSOLETE case bfd_mach_sparc_sparclite:
+ // OBSOLETE set_gdbarch_deprecated_extract_return_value (gdbarch, sparc32_extract_return_value);
+ // OBSOLETE set_gdbarch_num_regs (gdbarch, 80);
+ // OBSOLETE set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4 + 8*4);
+ // OBSOLETE set_gdbarch_register_name (gdbarch, sparclite_register_name);
+ // OBSOLETE set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value);
+ // OBSOLETE tdep->has_fpu = 0; /* (all but sparclet and sparclite) */
+ // OBSOLETE tdep->fp_register_bytes = 0;
+ // OBSOLETE tdep->print_insn_mach = bfd_mach_sparc_sparclite;
+ // OBSOLETE break;
+#endif
case bfd_mach_sparc_v8plus:
- set_gdbarch_extract_return_value (gdbarch, sparc32_extract_return_value);
- set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid);
+ set_gdbarch_deprecated_extract_return_value (gdbarch, sparc32_extract_return_value);
set_gdbarch_num_regs (gdbarch, 72);
set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4);
set_gdbarch_register_name (gdbarch, sparc32_register_name);
- set_gdbarch_store_return_value (gdbarch, sparc_store_return_value);
+ set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value);
tdep->print_insn_mach = bfd_mach_sparc;
tdep->fp_register_bytes = 32 * 4;
- tdep->has_fpu = 1; /* (all but sparclet and sparclite) */
+#if 0
+ // OBSOLETE tdep->has_fpu = 1; /* (all but sparclet and sparclite) */
+#endif
break;
case bfd_mach_sparc_v8plusa:
- set_gdbarch_extract_return_value (gdbarch, sparc32_extract_return_value);
- set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid);
+ set_gdbarch_deprecated_extract_return_value (gdbarch, sparc32_extract_return_value);
set_gdbarch_num_regs (gdbarch, 72);
set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4);
set_gdbarch_register_name (gdbarch, sparc32_register_name);
- set_gdbarch_store_return_value (gdbarch, sparc_store_return_value);
- tdep->has_fpu = 1; /* (all but sparclet and sparclite) */
+ set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value);
+#if 0
+ // OBSOLETE tdep->has_fpu = 1; /* (all but sparclet and sparclite) */
+#endif
tdep->fp_register_bytes = 32 * 4;
tdep->print_insn_mach = bfd_mach_sparc;
break;
- case bfd_mach_sparc_sparclite_le:
- set_gdbarch_extract_return_value (gdbarch, sparc32_extract_return_value);
- set_gdbarch_frame_chain_valid (gdbarch, func_frame_chain_valid);
- set_gdbarch_num_regs (gdbarch, 80);
- set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4 + 8*4);
- set_gdbarch_register_name (gdbarch, sparclite_register_name);
- set_gdbarch_store_return_value (gdbarch, sparc_store_return_value);
- tdep->has_fpu = 0; /* (all but sparclet and sparclite) */
- tdep->fp_register_bytes = 0;
- tdep->print_insn_mach = bfd_mach_sparc_sparclite;
- break;
+#if 0
+// OBSOLETE case bfd_mach_sparc_sparclite_le:
+// OBSOLETE set_gdbarch_deprecated_extract_return_value (gdbarch, sparc32_extract_return_value);
+// OBSOLETE set_gdbarch_num_regs (gdbarch, 80);
+// OBSOLETE set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4 + 8*4);
+// OBSOLETE set_gdbarch_register_name (gdbarch, sparclite_register_name);
+// OBSOLETE set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value);
+// OBSOLETE tdep->has_fpu = 0; /* (all but sparclet and sparclite) */
+// OBSOLETE tdep->fp_register_bytes = 0;
+// OBSOLETE tdep->print_insn_mach = bfd_mach_sparc_sparclite;
+// OBSOLETE break;
+#endif
case bfd_mach_sparc_v9:
- set_gdbarch_extract_return_value (gdbarch, sparc64_extract_return_value);
- set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid);
+ set_gdbarch_deprecated_extract_return_value (gdbarch, sparc64_extract_return_value);
set_gdbarch_num_regs (gdbarch, 125);
set_gdbarch_register_bytes (gdbarch, 32*8 + 32*8 + 45*8);
set_gdbarch_register_name (gdbarch, sparc64_register_name);
- set_gdbarch_store_return_value (gdbarch, sparc_store_return_value);
- tdep->has_fpu = 1; /* (all but sparclet and sparclite) */
+ set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value);
+#if 0
+ // OBSOLETE tdep->has_fpu = 1; /* (all but sparclet and sparclite) */
+#endif
tdep->fp_register_bytes = 64 * 4;
tdep->print_insn_mach = bfd_mach_sparc_v9a;
break;
case bfd_mach_sparc_v9a:
- set_gdbarch_extract_return_value (gdbarch, sparc64_extract_return_value);
- set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid);
+ set_gdbarch_deprecated_extract_return_value (gdbarch, sparc64_extract_return_value);
set_gdbarch_num_regs (gdbarch, 125);
set_gdbarch_register_bytes (gdbarch, 32*8 + 32*8 + 45*8);
set_gdbarch_register_name (gdbarch, sparc64_register_name);
- set_gdbarch_store_return_value (gdbarch, sparc_store_return_value);
- tdep->has_fpu = 1; /* (all but sparclet and sparclite) */
+ set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value);
+#if 0
+ // OBSOLETE tdep->has_fpu = 1; /* (all but sparclet and sparclite) */
+#endif
tdep->fp_register_bytes = 64 * 4;
tdep->print_insn_mach = bfd_mach_sparc_v9a;
break;
}
+ /* Hook in OS ABI-specific overrides, if they have been registered. */
+ gdbarch_init_osabi (info, gdbarch);
+
return gdbarch;
}
+static void
+sparc_dump_tdep (struct gdbarch *current_gdbarch, struct ui_file *file)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+
+ if (tdep == NULL)
+ return;
+
+#if 0
+ // OBSOLETE fprintf_unfiltered (file, "sparc_dump_tdep: has_fpu = %d\n",
+ // OBSOLETE tdep->has_fpu);
+#endif
+ fprintf_unfiltered (file, "sparc_dump_tdep: fp_register_bytes = %d\n",
+ tdep->fp_register_bytes);
+ fprintf_unfiltered (file, "sparc_dump_tdep: y_regnum = %d\n",
+ tdep->y_regnum);
+ fprintf_unfiltered (file, "sparc_dump_tdep: fp_max_regnum = %d\n",
+ tdep->fp_max_regnum);
+ fprintf_unfiltered (file, "sparc_dump_tdep: intreg_size = %d\n",
+ tdep->intreg_size);
+ fprintf_unfiltered (file, "sparc_dump_tdep: reg_save_offset = %d\n",
+ tdep->reg_save_offset);
+ fprintf_unfiltered (file, "sparc_dump_tdep: call_dummy_call_offset = %d\n",
+ tdep->call_dummy_call_offset);
+ fprintf_unfiltered (file, "sparc_dump_tdep: print_insn_match = %d\n",
+ tdep->print_insn_mach);
+}