{
/* Filter out any registers eliminated, but whose regnum is
reserved for backward compatibility, e.g. the vfp. */
- if (REGISTER_NAME (regnum) == NULL || *REGISTER_NAME (regnum) == '\0')
+ if (gdbarch_register_name (current_gdbarch, regnum) == NULL
+ || *gdbarch_register_name (current_gdbarch, regnum) == '\0')
return 0;
if (group == all_reggroup)
into the "pc". This routine returns true on success. */
static int
-alpha_get_longjmp_target (CORE_ADDR *pc)
+alpha_get_longjmp_target (struct frame_info *frame, CORE_ADDR *pc)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (get_frame_arch (frame));
CORE_ADDR jb_addr;
gdb_byte raw_buffer[ALPHA_REGISTER_SIZE];
- jb_addr = read_register (ALPHA_A0_REGNUM);
+ jb_addr = get_frame_register_unsigned (frame, ALPHA_A0_REGNUM);
if (target_read_memory (jb_addr + (tdep->jb_pc * tdep->jb_elt_size),
raw_buffer, tdep->jb_elt_size))
code_addr = 0;
}
else
- code_addr = frame_func_unwind (next_frame);
+ code_addr = frame_func_unwind (next_frame, SIGTRAMP_FRAME);
/* The stack address is trivially read from the sigcontext. */
stack_addr = alpha_sigtramp_register_address (info->sigcontext_addr,
targets don't supply this value in their core files. */
void
-alpha_supply_int_regs (int regno, const void *r0_r30,
- const void *pc, const void *unique)
+alpha_supply_int_regs (struct regcache *regcache, int regno,
+ const void *r0_r30, const void *pc, const void *unique)
{
const gdb_byte *regs = r0_r30;
int i;
for (i = 0; i < 31; ++i)
if (regno == i || regno == -1)
- regcache_raw_supply (current_regcache, i, regs + i * 8);
+ regcache_raw_supply (regcache, i, regs + i * 8);
if (regno == ALPHA_ZERO_REGNUM || regno == -1)
- regcache_raw_supply (current_regcache, ALPHA_ZERO_REGNUM, NULL);
+ regcache_raw_supply (regcache, ALPHA_ZERO_REGNUM, NULL);
if (regno == ALPHA_PC_REGNUM || regno == -1)
- regcache_raw_supply (current_regcache, ALPHA_PC_REGNUM, pc);
+ regcache_raw_supply (regcache, ALPHA_PC_REGNUM, pc);
if (regno == ALPHA_UNIQUE_REGNUM || regno == -1)
- regcache_raw_supply (current_regcache, ALPHA_UNIQUE_REGNUM, unique);
+ regcache_raw_supply (regcache, ALPHA_UNIQUE_REGNUM, unique);
}
void
-alpha_fill_int_regs (int regno, void *r0_r30, void *pc, void *unique)
+alpha_fill_int_regs (const struct regcache *regcache,
+ int regno, void *r0_r30, void *pc, void *unique)
{
gdb_byte *regs = r0_r30;
int i;
for (i = 0; i < 31; ++i)
if (regno == i || regno == -1)
- regcache_raw_collect (current_regcache, i, regs + i * 8);
+ regcache_raw_collect (regcache, i, regs + i * 8);
if (regno == ALPHA_PC_REGNUM || regno == -1)
- regcache_raw_collect (current_regcache, ALPHA_PC_REGNUM, pc);
+ regcache_raw_collect (regcache, ALPHA_PC_REGNUM, pc);
if (unique && (regno == ALPHA_UNIQUE_REGNUM || regno == -1))
- regcache_raw_collect (current_regcache, ALPHA_UNIQUE_REGNUM, unique);
+ regcache_raw_collect (regcache, ALPHA_UNIQUE_REGNUM, unique);
}
void
-alpha_supply_fp_regs (int regno, const void *f0_f30, const void *fpcr)
+alpha_supply_fp_regs (struct regcache *regcache, int regno,
+ const void *f0_f30, const void *fpcr)
{
const gdb_byte *regs = f0_f30;
int i;
for (i = ALPHA_FP0_REGNUM; i < ALPHA_FP0_REGNUM + 31; ++i)
if (regno == i || regno == -1)
- regcache_raw_supply (current_regcache, i,
+ regcache_raw_supply (regcache, i,
regs + (i - ALPHA_FP0_REGNUM) * 8);
if (regno == ALPHA_FPCR_REGNUM || regno == -1)
- regcache_raw_supply (current_regcache, ALPHA_FPCR_REGNUM, fpcr);
+ regcache_raw_supply (regcache, ALPHA_FPCR_REGNUM, fpcr);
}
void
-alpha_fill_fp_regs (int regno, void *f0_f30, void *fpcr)
+alpha_fill_fp_regs (const struct regcache *regcache,
+ int regno, void *f0_f30, void *fpcr)
{
gdb_byte *regs = f0_f30;
int i;
for (i = ALPHA_FP0_REGNUM; i < ALPHA_FP0_REGNUM + 31; ++i)
if (regno == i || regno == -1)
- regcache_raw_collect (current_regcache, i,
+ regcache_raw_collect (regcache, i,
regs + (i - ALPHA_FP0_REGNUM) * 8);
if (regno == ALPHA_FPCR_REGNUM || regno == -1)
- regcache_raw_collect (current_regcache, ALPHA_FPCR_REGNUM, fpcr);
+ regcache_raw_collect (regcache, ALPHA_FPCR_REGNUM, fpcr);
}
\f
/* alpha_software_single_step() is called just before we want to resume
the inferior, if we want to single-step it but there is no hardware
or kernel single-step support (NetBSD on Alpha, for example). We find
- the target of the coming instruction and breakpoint it.
-
- single_step is also called just after the inferior stops. If we had
- set up a simulated single-step, we undo our damage. */
+ the target of the coming instruction and breakpoint it. */
static CORE_ADDR
-alpha_next_pc (CORE_ADDR pc)
+alpha_next_pc (struct frame_info *frame, CORE_ADDR pc)
{
unsigned int insn;
unsigned int op;
int regno;
int offset;
LONGEST rav;
- gdb_byte reg[ALPHA_REGISTER_SIZE];
insn = alpha_read_insn (pc);
{
/* Jump format: target PC is:
RB & ~3 */
- return (read_register ((insn >> 16) & 0x1f) & ~3);
+ return (get_frame_register_unsigned (frame, (insn >> 16) & 0x1f) & ~3);
}
if ((op & 0x30) == 0x30)
case 0x33: /* FBLE */
case 0x32: /* FBLT */
case 0x35: /* FBNE */
- regno += FP0_REGNUM;
+ regno += gdbarch_fp0_regnum (current_gdbarch);
}
- regcache_cooked_read (current_regcache, regno, reg);
- rav = extract_signed_integer (reg, ALPHA_REGISTER_SIZE);
+ rav = get_frame_register_signed (frame, regno);
switch (op)
{
return (pc + ALPHA_INSN_SIZE);
}
-void
-alpha_software_single_step (enum target_signal sig, int insert_breakpoints_p)
+int
+alpha_software_single_step (struct frame_info *frame)
{
- static CORE_ADDR next_pc;
- CORE_ADDR pc;
+ CORE_ADDR pc, next_pc;
- if (insert_breakpoints_p)
- {
- pc = read_pc ();
- next_pc = alpha_next_pc (pc);
+ pc = get_frame_pc (frame);
+ next_pc = alpha_next_pc (frame, pc);
- insert_single_step_breakpoint (next_pc);
- }
- else
- {
- remove_single_step_breakpoints ();
- write_pc (next_pc);
- }
+ insert_single_step_breakpoint (next_pc);
+ return 1;
}
\f