Ejemplo n.º 1
0
/* Simple frame_unwind_cache.  
   This finds the "extra info" for the frame.  */
struct trad_frame_cache *
mn10300_frame_unwind_cache (struct frame_info *next_frame,
			    void **this_prologue_cache)
{
  struct trad_frame_cache *cache;
  CORE_ADDR pc, start, end;

  if (*this_prologue_cache)
    return (*this_prologue_cache);

  cache = trad_frame_cache_zalloc (next_frame);
  pc = gdbarch_unwind_pc (current_gdbarch, next_frame);
  mn10300_analyze_prologue (next_frame, (void **) &cache, pc);
  if (find_pc_partial_function (pc, NULL, &start, &end))
    trad_frame_set_id (cache, 
		       frame_id_build (trad_frame_get_this_base (cache), 
				       start));
  else
    trad_frame_set_id (cache, 
		       frame_id_build (trad_frame_get_this_base (cache), 
				       frame_func_unwind (next_frame)));

  (*this_prologue_cache) = cache;
  return cache;
}
Ejemplo n.º 2
0
static struct trad_frame_cache *
amd64fbsd_trapframe_cache (struct frame_info *this_frame, void **this_cache)
{
    struct gdbarch *gdbarch = get_frame_arch (this_frame);
    enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
    struct trad_frame_cache *cache;
    CORE_ADDR addr, func, pc, sp;
    const char *name;
    int i;

    if (*this_cache != NULL)
        return (*this_cache);

    cache = trad_frame_cache_zalloc (this_frame);
    *this_cache = cache;

    func = get_frame_func (this_frame);
    sp = get_frame_register_unsigned (this_frame, AMD64_RSP_REGNUM);

    find_pc_partial_function (func, &name, NULL, NULL);
    if (strcmp(name, "fork_trampoline") == 0 && get_frame_pc (this_frame) == func)
    {
        /* fork_exit hasn't been called (kthread has never run), so %rsp
        in the pcb points to the trapframe.  GDB has auto-adjusted
         %rsp for this frame to account for the "call" into
         fork_trampoline, so "undo" the adjustment.  */
        sp += 8;
    }

    for (i = 0; i < ARRAY_SIZE (amd64fbsd_trapframe_offset); i++)
        if (amd64fbsd_trapframe_offset[i] != -1)
            trad_frame_set_reg_addr (cache, i, sp + amd64fbsd_trapframe_offset[i]);

    /* Read %rip from trap frame.  */
    addr = sp + amd64fbsd_trapframe_offset[AMD64_RIP_REGNUM];
    pc = read_memory_unsigned_integer (addr, 8, byte_order);

    if (pc == 0 && strcmp(name, "fork_trampoline") == 0)
    {
        /* Initial frame of a kthread; terminate backtrace.  */
        trad_frame_set_id (cache, outer_frame_id);
    }
    else
    {
        /* Construct the frame ID using the function start.  */
        trad_frame_set_id (cache, frame_id_build (sp + TRAPFRAME_SIZE, func));
    }

    return cache;
}
Ejemplo n.º 3
0
static void
microblaze_linux_sigtramp_cache (struct frame_info *next_frame,
				 struct trad_frame_cache *this_cache,
				 CORE_ADDR func, LONGEST offset,
				 int bias)
{
  CORE_ADDR base;
  CORE_ADDR gpregs;
  int regnum;

  base = frame_unwind_register_unsigned (next_frame, MICROBLAZE_SP_REGNUM);
  if (bias > 0 && get_frame_address_in_block (next_frame) != func)
    /* See below, some signal trampolines increment the stack as their
       first instruction, need to compensate for that.  */
    base -= bias;

  /* Find the address of the register buffer.  */
  gpregs = base + offset;

  /* Registers saved on stack.  */
  for (regnum = 0; regnum < MICROBLAZE_BTR_REGNUM; regnum++)
    trad_frame_set_reg_addr (this_cache, regnum, 
			     gpregs + regnum * MICROBLAZE_REGISTER_SIZE);
  trad_frame_set_id (this_cache, frame_id_build (base, func));
}
Ejemplo n.º 4
0
static void
riscv_linux_sigframe_init (const struct tramp_frame *self,
			   struct frame_info *this_frame,
			   struct trad_frame_cache *this_cache,
			   CORE_ADDR func)
{
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  int xlen = riscv_isa_xlen (gdbarch);
  int flen = riscv_isa_flen (gdbarch);
  CORE_ADDR frame_sp = get_frame_sp (this_frame);
  CORE_ADDR mcontext_base;
  CORE_ADDR regs_base;

  mcontext_base = frame_sp + SIGFRAME_SIGINFO_SIZE + UCONTEXT_MCONTEXT_OFFSET;

  /* Handle the integer registers.  The first one is PC, followed by x1
     through x31.  */
  regs_base = mcontext_base;
  trad_frame_set_reg_addr (this_cache, RISCV_PC_REGNUM, regs_base);
  for (int i = 1; i < 32; i++)
    trad_frame_set_reg_addr (this_cache, RISCV_ZERO_REGNUM + i,
			     regs_base + (i * xlen));

  /* Handle the FP registers.  First comes the 32 FP registers, followed by
     fcsr.  */
  regs_base += 32 * xlen;
  for (int i = 0; i < 32; i++)
    trad_frame_set_reg_addr (this_cache, RISCV_FIRST_FP_REGNUM + i,
			     regs_base + (i * flen));
  regs_base += 32 * flen;
  trad_frame_set_reg_addr (this_cache, RISCV_CSR_FCSR_REGNUM, regs_base);

  /* Choice of the bottom of the sigframe is somewhat arbitrary.  */
  trad_frame_set_id (this_cache, frame_id_build (frame_sp, func));
}
Ejemplo n.º 5
0
static void
csky_linux_rt_sigreturn_init (const struct tramp_frame *self,
			      struct frame_info *this_frame,
			      struct trad_frame_cache *this_cache,
			      CORE_ADDR func)
{
  int i;
  CORE_ADDR sp = get_frame_register_unsigned (this_frame, 14);

  CORE_ADDR base = sp + CSKY_SIGINFO_OFFSET + CSKY_SIGINFO_SIZE
		   + CSKY_UCONTEXT_SIGCONTEXT
		   + CSKY_SIGCONTEXT_SC_USP
		   + CSKY_SIGCONTEXT_SC_A0;

  /* Set addrs of R0 ~ R13.  */
  for (i = 0; i < 14; i++)
   trad_frame_set_reg_addr (this_cache, i, base + i * 4);

  /* Set addrs of SP(R14) and R15.  */
  trad_frame_set_reg_addr (this_cache, 14, base - 4);
  trad_frame_set_reg_addr (this_cache, 15, base + 4 * 14);

  /* Set addrs of R16 ~ R31.  */
  for (i = 15; i < 31; i++)
   trad_frame_set_reg_addr (this_cache, i, base + i * 4);

  /* Set addrs of PSR and PC.  */
  trad_frame_set_reg_addr (this_cache, 89, base + 4 * 33);
  trad_frame_set_reg_addr (this_cache, 72, base + 4 * 34);

  trad_frame_set_id (this_cache, frame_id_build (sp, func));
}
Ejemplo n.º 6
0
static void
bfin_linux_sigframe_init (const struct tramp_frame *self,
			  struct frame_info *this_frame,
			  struct trad_frame_cache *this_cache,
			  CORE_ADDR func)
{
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  CORE_ADDR sp = get_frame_sp (this_frame);
  CORE_ADDR pc = get_frame_pc (this_frame);
  CORE_ADDR sigcontext = sp + SIGCONTEXT_OFFSET;
  const int *reg_offset = bfin_linux_sigcontext_reg_offset;
  int i;
  
  if (gdbarch == NULL) {
    ; /* ??? */
  }

  for (i = 0; i < BFIN_NUM_REGS; i++)
    if (reg_offset[i] != -1)
      trad_frame_set_reg_addr (this_cache, i, sigcontext + reg_offset[i]);

  /* This would come after the LINK instruction in the ret_from_signal
     function, hence the frame id would be SP + 8.  */
  trad_frame_set_id (this_cache, frame_id_build (sp + 8, pc));
}
Ejemplo n.º 7
0
static void
ppc_linux_sigtramp_cache (struct frame_info *next_frame,
			  struct trad_frame_cache *this_cache,
			  CORE_ADDR func, LONGEST offset,
			  int bias)
{
  CORE_ADDR base;
  CORE_ADDR regs;
  CORE_ADDR gpregs;
  CORE_ADDR fpregs;
  int i;
  struct gdbarch *gdbarch = get_frame_arch (next_frame);
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  base = frame_unwind_register_unsigned (next_frame,
					 gdbarch_sp_regnum (current_gdbarch));
  if (bias > 0 && frame_pc_unwind (next_frame) != func)
    /* See below, some signal trampolines increment the stack as their
       first instruction, need to compensate for that.  */
    base -= bias;

  /* Find the address of the register buffer pointer.  */
  regs = base + offset;
  /* Use that to find the address of the corresponding register
     buffers.  */
  gpregs = read_memory_unsigned_integer (regs, tdep->wordsize);
  fpregs = gpregs + 48 * tdep->wordsize;

  /* General purpose.  */
  for (i = 0; i < 32; i++)
    {
      int regnum = i + tdep->ppc_gp0_regnum;
      trad_frame_set_reg_addr (this_cache, regnum, gpregs + i * tdep->wordsize);
    }
  trad_frame_set_reg_addr (this_cache,
			   gdbarch_pc_regnum (current_gdbarch),
			   gpregs + 32 * tdep->wordsize);
  trad_frame_set_reg_addr (this_cache, tdep->ppc_ctr_regnum,
			   gpregs + 35 * tdep->wordsize);
  trad_frame_set_reg_addr (this_cache, tdep->ppc_lr_regnum,
			   gpregs + 36 * tdep->wordsize);
  trad_frame_set_reg_addr (this_cache, tdep->ppc_xer_regnum,
			   gpregs + 37 * tdep->wordsize);
  trad_frame_set_reg_addr (this_cache, tdep->ppc_cr_regnum,
			   gpregs + 38 * tdep->wordsize);

  if (ppc_floating_point_unit_p (gdbarch))
    {
      /* Floating point registers.  */
      for (i = 0; i < 32; i++)
	{
	  int regnum = i + gdbarch_fp0_regnum (current_gdbarch);
	  trad_frame_set_reg_addr (this_cache, regnum,
				   fpregs + i * tdep->wordsize);
	}
      trad_frame_set_reg_addr (this_cache, tdep->ppc_fpscr_regnum,
                         fpregs + 32 * tdep->wordsize);
    }
  trad_frame_set_id (this_cache, frame_id_build (base, func));
}
Ejemplo n.º 8
0
static void
alphanbsd_sigtramp_cache_init (const struct tramp_frame *self,
			       struct frame_info *this_frame,
			       struct trad_frame_cache *this_cache,
			       CORE_ADDR func)
{
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  CORE_ADDR addr, sp;
  int i;

  sp = get_frame_register_unsigned (this_frame, ALPHA_SP_REGNUM);

  if (self == &alphanbsd_sigtramp_sc1) {
    addr = sp;
  } else {
    addr = sp + 128 + 56;
  }
 
  for (i = 0; i < 32; i++, addr += ALPHA_REGISTER_SIZE)
    {
      trad_frame_set_reg_addr (this_cache, i, addr);
    }
  trad_frame_set_reg_addr (this_cache, ALPHA_PC_REGNUM, addr);

  /* Construct the frame ID using the function start.  */
  trad_frame_set_id (this_cache, frame_id_build (sp, func));
}
Ejemplo n.º 9
0
static void
hppanbsd_sigtramp_cache_init (const struct tramp_frame *self,
                             struct frame_info *this_frame,
                             struct trad_frame_cache *this_cache,
                             CORE_ADDR func)
{
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  CORE_ADDR sp = get_frame_register_unsigned (this_frame, HPPA_SP_REGNUM);
  CORE_ADDR base;
  int *reg_offset;
  int num_regs;
  int i;

  reg_offset = hppanbsd_mc_reg_offset;
  num_regs = ARRAY_SIZE (hppanbsd_mc_reg_offset);

  /* frame pointer */
  base = sp - 0x280;
  /* offsetof(struct sigframe_siginfo, sf_uc) = 128 */
  base += 128;
  /* offsetof(ucontext_t, uc_mcontext) == 40 */
  base += 40;

  for (i = 0; i < num_regs; i++)
    if (reg_offset[i] != -1)
      trad_frame_set_reg_addr (this_cache, i, base + reg_offset[i]);

  /* Construct the frame ID using the function start.  */
  trad_frame_set_id (this_cache, frame_id_build (sp, func));
}
Ejemplo n.º 10
0
static struct trad_frame_cache *
vaxobsd_sigtramp_frame_cache (struct frame_info *next_frame, void **this_cache)
{
  struct trad_frame_cache *cache;
  CORE_ADDR addr, base, func;

  if (*this_cache)
    return *this_cache;

  cache = trad_frame_cache_zalloc (next_frame);
  *this_cache = cache;

  func = frame_pc_unwind (next_frame);
  func &= ~(vaxobsd_page_size - 1);

  base = frame_unwind_register_unsigned (next_frame, VAX_SP_REGNUM);
  addr = get_frame_memory_unsigned (next_frame, base - 4, 4);

  trad_frame_set_reg_addr (cache, VAX_SP_REGNUM, addr + 8);
  trad_frame_set_reg_addr (cache, VAX_FP_REGNUM, addr + 12);
  trad_frame_set_reg_addr (cache, VAX_AP_REGNUM, addr + 16);
  trad_frame_set_reg_addr (cache, VAX_PC_REGNUM, addr + 20);
  trad_frame_set_reg_addr (cache, VAX_PS_REGNUM, addr + 24);

  /* Construct the frame ID using the function start.  */
  trad_frame_set_id (cache, frame_id_build (base, func));

  return cache;
}
Ejemplo n.º 11
0
static void
ppcnbsd_sigtramp_cache_init (const struct tramp_frame *self,
			     struct frame_info *next_frame,
			     struct trad_frame_cache *this_cache,
			     CORE_ADDR func)
{
  CORE_ADDR base;
  CORE_ADDR offset;
  int i;
  struct gdbarch *gdbarch = get_frame_arch (next_frame);
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  base = frame_unwind_register_unsigned (next_frame, SP_REGNUM);
  offset = base + 0x18 + 2 * tdep->wordsize;
  for (i = 0; i < ppc_num_gprs; i++)
    {
      int regnum = i + tdep->ppc_gp0_regnum;
      trad_frame_set_reg_addr (this_cache, regnum, offset);
      offset += tdep->wordsize;
    }
  trad_frame_set_reg_addr (this_cache, tdep->ppc_lr_regnum, offset);
  offset += tdep->wordsize;
  trad_frame_set_reg_addr (this_cache, tdep->ppc_cr_regnum, offset);
  offset += tdep->wordsize;
  trad_frame_set_reg_addr (this_cache, tdep->ppc_xer_regnum, offset);
  offset += tdep->wordsize;
  trad_frame_set_reg_addr (this_cache, tdep->ppc_ctr_regnum, offset);
  offset += tdep->wordsize;
  trad_frame_set_reg_addr (this_cache, PC_REGNUM, offset); /* SRR0? */
  offset += tdep->wordsize;

  /* Construct the frame ID using the function start.  */
  trad_frame_set_id (this_cache, frame_id_build (base, func));
}
Ejemplo n.º 12
0
static void
aarch64_linux_sigframe_init (const struct tramp_frame *self,
			     struct frame_info *this_frame,
			     struct trad_frame_cache *this_cache,
			     CORE_ADDR func)
{
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  CORE_ADDR sp = get_frame_register_unsigned (this_frame, AARCH64_SP_REGNUM);
  CORE_ADDR sigcontext_addr =
    sp
    + AARCH64_RT_SIGFRAME_UCONTEXT_OFFSET
    + AARCH64_UCONTEXT_SIGCONTEXT_OFFSET;
  int i;

  for (i = 0; i < 31; i++)
    {
      trad_frame_set_reg_addr (this_cache,
			       AARCH64_X0_REGNUM + i,
			       sigcontext_addr + AARCH64_SIGCONTEXT_XO_OFFSET
			       + i * AARCH64_SIGCONTEXT_REG_SIZE);
    }
  trad_frame_set_reg_addr (this_cache, AARCH64_SP_REGNUM,
			   sigcontext_addr + AARCH64_SIGCONTEXT_XO_OFFSET
			     + 31 * AARCH64_SIGCONTEXT_REG_SIZE);
  trad_frame_set_reg_addr (this_cache, AARCH64_PC_REGNUM,
			   sigcontext_addr + AARCH64_SIGCONTEXT_XO_OFFSET
			     + 32 * AARCH64_SIGCONTEXT_REG_SIZE);

  trad_frame_set_id (this_cache, frame_id_build (sp, func));
}
Ejemplo n.º 13
0
static void
m68kobsd_sigtramp_cache_init (const struct tramp_frame *self,
			      struct frame_info *this_frame,
			      struct trad_frame_cache *this_cache,
			      CORE_ADDR func)
{
  CORE_ADDR addr, base, pc;
  int regnum;

  base = get_frame_register_unsigned (this_frame, M68K_SP_REGNUM);

  /* The 'addql #4,%sp' instruction at offset 8 adjusts the stack
     pointer.  Adjust the frame base accordingly.  */
  pc = get_frame_register_unsigned (this_frame, M68K_PC_REGNUM);
  if ((pc - func) > 8)
    base -= 4;

  /* Get frame pointer, stack pointer, program counter and processor
     state from `struct sigcontext'.  */
  addr = get_frame_memory_unsigned (this_frame, base + 8, 4);
  trad_frame_set_reg_addr (this_cache, M68K_FP_REGNUM, addr + 8);
  trad_frame_set_reg_addr (this_cache, M68K_SP_REGNUM, addr + 12);
  trad_frame_set_reg_addr (this_cache, M68K_PC_REGNUM, addr + 20);
  trad_frame_set_reg_addr (this_cache, M68K_PS_REGNUM, addr + 24);

  /* The sc_ap member of `struct sigcontext' points to additional
     hardware state.  Here we find the missing registers.  */
  addr = get_frame_memory_unsigned (this_frame, addr + 16, 4) + 4;
  for (regnum = M68K_D0_REGNUM; regnum < M68K_FP_REGNUM; regnum++, addr += 4)
    trad_frame_set_reg_addr (this_cache, regnum, addr);

  /* Construct the frame ID using the function start.  */
  trad_frame_set_id (this_cache, frame_id_build (base, func));
}
Ejemplo n.º 14
0
static void
sh_linux_sigtramp_cache (struct frame_info *this_frame,
			 struct trad_frame_cache *this_cache,
			 CORE_ADDR func, int regs_offset)
{
  int i;
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  CORE_ADDR base = get_frame_register_unsigned (this_frame,
						gdbarch_sp_regnum (gdbarch));
  CORE_ADDR regs = base + regs_offset;

  for (i = 0; i < 18; i++)
    trad_frame_set_reg_addr (this_cache, i, regs + i * 4);

  trad_frame_set_reg_addr (this_cache, SR_REGNUM, regs + 18 * 4);
  trad_frame_set_reg_addr (this_cache, GBR_REGNUM, regs + 19 * 4);
  trad_frame_set_reg_addr (this_cache, MACH_REGNUM, regs + 20 * 4);
  trad_frame_set_reg_addr (this_cache, MACL_REGNUM, regs + 21 * 4);

  /* Restore FP state if we have an FPU.  */
  if (gdbarch_fp0_regnum (gdbarch) != -1)
    {
      CORE_ADDR fpregs = regs + 22 * 4;
      for (i = FR0_REGNUM; i <= FP_LAST_REGNUM; i++)
	trad_frame_set_reg_addr (this_cache, i, fpregs + i * 4);
      trad_frame_set_reg_addr (this_cache, FPSCR_REGNUM, fpregs + 32 * 4);
      trad_frame_set_reg_addr (this_cache, FPUL_REGNUM, fpregs + 33 * 4);
    }

  /* Save a frame ID.  */
  trad_frame_set_id (this_cache, frame_id_build (base, func));
}
Ejemplo n.º 15
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static void
mips64_fbsd_sigframe_init (const struct tramp_frame *self,
			   struct frame_info *this_frame,
			   struct trad_frame_cache *cache,
			   CORE_ADDR func)
{
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
  CORE_ADDR sp, ucontext_addr, addr;
  int regnum;
  gdb_byte buf[4];

  /* We find the appropriate instance of `ucontext_t' at a
     fixed offset in the signal frame.  */
  sp = get_frame_register_signed (this_frame,
				  MIPS_SP_REGNUM + gdbarch_num_regs (gdbarch));
  ucontext_addr = sp + N64_SIGFRAME_UCONTEXT_OFFSET;

  /* PC.  */
  regnum = mips_regnum (gdbarch)->pc;
  trad_frame_set_reg_addr (cache,
			   regnum + gdbarch_num_regs (gdbarch),
			   ucontext_addr + N64_UCONTEXT_PC);

  /* GPRs.  */
  for (regnum = MIPS_ZERO_REGNUM, addr = ucontext_addr + N64_UCONTEXT_REGS;
       regnum <= MIPS_RA_REGNUM; regnum++, addr += N64_UCONTEXT_REG_SIZE)
    trad_frame_set_reg_addr (cache,
			     regnum + gdbarch_num_regs (gdbarch),
			     addr);

  regnum = MIPS_PS_REGNUM;
  trad_frame_set_reg_addr (cache,
			   regnum + gdbarch_num_regs (gdbarch),
			   ucontext_addr + N64_UCONTEXT_SR);

  /* HI and LO.  */
  regnum = mips_regnum (gdbarch)->lo;
  trad_frame_set_reg_addr (cache,
			   regnum + gdbarch_num_regs (gdbarch),
			   ucontext_addr + N64_UCONTEXT_LO);
  regnum = mips_regnum (gdbarch)->hi;
  trad_frame_set_reg_addr (cache,
			   regnum + gdbarch_num_regs (gdbarch),
			   ucontext_addr + N64_UCONTEXT_HI);

  if (target_read_memory (ucontext_addr + N64_UCONTEXT_FPUSED, buf, 4) == 0
      && extract_unsigned_integer (buf, 4, byte_order) != 0)
    {
      for (regnum = 0, addr = ucontext_addr + N64_UCONTEXT_FPREGS;
	   regnum < 32; regnum++, addr += N64_UCONTEXT_REG_SIZE)
	trad_frame_set_reg_addr (cache,
				 regnum + gdbarch_fp0_regnum (gdbarch),
				 addr);
      trad_frame_set_reg_addr (cache, mips_regnum (gdbarch)->fp_control_status,
			       addr);
    }

  trad_frame_set_id (cache, frame_id_build (sp, func));
}
Ejemplo n.º 16
0
static void
tilegx_linux_sigframe_init (const struct tramp_frame *self,
			    struct frame_info *this_frame,
			    struct trad_frame_cache *this_cache,
			    CORE_ADDR func)
{
  CORE_ADDR sp = get_frame_register_unsigned (this_frame, 54);

  /* Base address of register save area.  */
  CORE_ADDR base = sp
                   + 16    /* Skip ABI_SAVE_AREA.  */
                   + 128   /* Skip SIGINFO.  */
                   + 40;   /* Skip UCONTEXT.  */

  /* Address of saved LR register (R56) which holds previous PC.  */
  CORE_ADDR prev_pc = base + 56 * 8;

  int i;

  for (i = 0; i < 56; i++)
    trad_frame_set_reg_addr (this_cache, i, base + i * 8);

  trad_frame_set_reg_value (this_cache, 64,
                            get_frame_memory_unsigned (this_frame, prev_pc, 8));

  /* Save a frame ID.  */
  trad_frame_set_id (this_cache, frame_id_build (base, func));
}
static struct trad_frame_cache *
amd64obsd_trapframe_cache(struct frame_info *next_frame, void **this_cache)
{
  struct trad_frame_cache *cache;
  CORE_ADDR func, sp, addr;
  ULONGEST cs;
  char *name;
  int i;

  if (*this_cache)
    return *this_cache;

  cache = trad_frame_cache_zalloc (next_frame);
  *this_cache = cache;

  /* NORMAL_FRAME matches the type in amd64obsd_trapframe_unwind, but
     SIGTRAMP_FRAME might be more appropriate.  */
  func = frame_func_unwind (next_frame, NORMAL_FRAME);
  sp = frame_unwind_register_unsigned (next_frame, AMD64_RSP_REGNUM);

  find_pc_partial_function (func, &name, NULL, NULL);
  if (name && strncmp (name, "Xintr", 5) == 0)
    addr = sp + 8;		/* It's an interrupt frame.  */
  else
    addr = sp;

  for (i = 0; i < ARRAY_SIZE (amd64obsd_tf_reg_offset); i++)
    if (amd64obsd_tf_reg_offset[i] != -1)
      trad_frame_set_reg_addr (cache, i, addr + amd64obsd_tf_reg_offset[i]);

  /* Read %cs from trap frame.  */
  addr += amd64obsd_tf_reg_offset[AMD64_CS_REGNUM];
  cs = read_memory_unsigned_integer (addr, 8); 
  if ((cs & I386_SEL_RPL) == I386_SEL_UPL)
    {
      /* Trap from user space; terminate backtrace.  */
      trad_frame_set_id (cache, null_frame_id);
    }
  else
    {
      /* Construct the frame ID using the function start.  */
      trad_frame_set_id (cache, frame_id_build (sp + 16, func));
    }

  return cache;
}
Ejemplo n.º 18
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static struct trad_frame_cache *
amd64obsd_trapframe_cache (struct frame_info *this_frame, void **this_cache)
{
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
  struct trad_frame_cache *cache;
  CORE_ADDR func, sp, addr;
  ULONGEST cs;
  const char *name;
  int i;

  if (*this_cache)
    return (struct trad_frame_cache *) *this_cache;

  cache = trad_frame_cache_zalloc (this_frame);
  *this_cache = cache;

  func = get_frame_func (this_frame);
  sp = get_frame_register_unsigned (this_frame, AMD64_RSP_REGNUM);

  find_pc_partial_function (func, &name, NULL, NULL);
  if (name && startswith (name, "Xintr"))
    addr = sp + 8;		/* It's an interrupt frame.  */
  else
    addr = sp;

  for (i = 0; i < ARRAY_SIZE (amd64obsd_tf_reg_offset); i++)
    if (amd64obsd_tf_reg_offset[i] != -1)
      trad_frame_set_reg_addr (cache, i, addr + amd64obsd_tf_reg_offset[i]);

  /* Read %cs from trap frame.  */
  addr += amd64obsd_tf_reg_offset[AMD64_CS_REGNUM];
  cs = read_memory_unsigned_integer (addr, 8, byte_order);
  if ((cs & I386_SEL_RPL) == I386_SEL_UPL)
    {
      /* Trap from user space; terminate backtrace.  */
      trad_frame_set_id (cache, outer_frame_id);
    }
  else
    {
      /* Construct the frame ID using the function start.  */
      trad_frame_set_id (cache, frame_id_build (sp + 16, func));
    }

  return cache;
}
Ejemplo n.º 19
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static void
tic6x_linux_rt_sigreturn_init (const struct tramp_frame *self,
			       struct frame_info *this_frame,
			       struct trad_frame_cache *this_cache,
			       CORE_ADDR func)
{
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  CORE_ADDR sp = get_frame_register_unsigned (this_frame, TIC6X_SP_REGNUM);
  /* The base of struct sigcontext is computed by examining the definition of
     struct rt_sigframe in linux kernel source arch/c6x/kernel/signal.c.  */
  CORE_ADDR base = (sp + TIC6X_SP_RT_SIGFRAME
		    /* Pointer type *pinfo and *puc in struct rt_sigframe.  */
		    + 4 + 4
		    + TIC6X_SIGINFO_SIZE
		    + 4 + 4 /* uc_flags and *uc_link in struct ucontext.  */
		    + TIC6X_STACK_T_SIZE);
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  unsigned int reg_offset;
  unsigned int i;

  for (i = 0; i < 10; i++)	/* A0 - A9 */
    {
      reg_offset = tic6x_register_sigcontext_offset (i, gdbarch);
      gdb_assert (reg_offset != 0);

      trad_frame_set_reg_addr (this_cache, i, base + reg_offset);
    }

  for (i = TIC6X_B0_REGNUM; i < TIC6X_B0_REGNUM + 10; i++)	/* B0 - B9 */
    {
      reg_offset = tic6x_register_sigcontext_offset (i, gdbarch);
      gdb_assert (reg_offset != 0);

      trad_frame_set_reg_addr (this_cache, i, base + reg_offset);
    }

  if (tdep->has_gp)
    for (i = 34; i < 34 + 32; i++)	/* A16 - A31, B16 - B31 */
      {
	reg_offset = tic6x_register_sigcontext_offset (i, gdbarch);
	gdb_assert (reg_offset != 0);

	trad_frame_set_reg_addr (this_cache, i, base + reg_offset);
      }

  trad_frame_set_reg_addr (this_cache, TIC6X_PC_REGNUM,
			   base + tic6x_register_sigcontext_offset (TIC6X_PC_REGNUM,
								    gdbarch));
  trad_frame_set_reg_addr (this_cache, TIC6X_SP_REGNUM,
			   base + tic6x_register_sigcontext_offset (TIC6X_SP_REGNUM,
								    gdbarch));

  /* Save a frame ID.  */
  trad_frame_set_id (this_cache, frame_id_build (sp, func));
}
Ejemplo n.º 20
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static struct trad_frame_cache *
aix_sighandle_frame_cache (struct frame_info *this_frame,
			   void **this_cache)
{
  LONGEST backchain;
  CORE_ADDR base, base_orig, func;
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
  struct trad_frame_cache *this_trad_cache;

  if ((*this_cache) != NULL)
    return (struct trad_frame_cache *) (*this_cache);

  this_trad_cache = trad_frame_cache_zalloc (this_frame);
  (*this_cache) = this_trad_cache;

  base = get_frame_register_unsigned (this_frame,
                                      gdbarch_sp_regnum (gdbarch));
  base_orig = base;

  if (tdep->wordsize == 4)
    {
      func = read_memory_unsigned_integer (base_orig +
					   SIG_FRAME_PC_OFFSET + 8,
					   tdep->wordsize, byte_order);
      safe_read_memory_integer (base_orig + SIG_FRAME_FP_OFFSET + 8,
				tdep->wordsize, byte_order, &backchain);
      base = (CORE_ADDR)backchain;
    }
  else
    {
      func = read_memory_unsigned_integer (base_orig +
					   SIG_FRAME_LR_OFFSET64,
					   tdep->wordsize, byte_order);
      safe_read_memory_integer (base_orig + SIG_FRAME_FP_OFFSET64,
				tdep->wordsize, byte_order, &backchain);
      base = (CORE_ADDR)backchain;
    }

  trad_frame_set_reg_value (this_trad_cache, gdbarch_pc_regnum (gdbarch), func);
  trad_frame_set_reg_value (this_trad_cache, gdbarch_sp_regnum (gdbarch), base);

  if (tdep->wordsize == 4)
    trad_frame_set_reg_addr (this_trad_cache, tdep->ppc_lr_regnum,
                             base_orig + 0x38 + 52 + 8);
  else
    trad_frame_set_reg_addr (this_trad_cache, tdep->ppc_lr_regnum,
                             base_orig + 0x70 + 320);

  trad_frame_set_id (this_trad_cache, frame_id_build (base, func));
  trad_frame_set_this_base (this_trad_cache, base);

  return this_trad_cache;
}
static void
mips_linux_n32n64_sigframe_init (const struct tramp_frame *self,
				 struct frame_info *this_frame,
				 struct trad_frame_cache *this_cache,
				 CORE_ADDR func)
{
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  int ireg, reg_position;
  CORE_ADDR frame_sp = get_frame_sp (this_frame);
  CORE_ADDR sigcontext_base;
  const struct mips_regnum *regs = mips_regnum (gdbarch);

  if (self == &mips_linux_n32_rt_sigframe)
    sigcontext_base = frame_sp + N32_SIGFRAME_SIGCONTEXT_OFFSET;
  else
    sigcontext_base = frame_sp + N64_SIGFRAME_SIGCONTEXT_OFFSET;

  if (mips_linux_restart_reg_p (gdbarch))
    trad_frame_set_reg_addr (this_cache,
			     (MIPS_RESTART_REGNUM
			      + gdbarch_num_regs (gdbarch)),
			     sigcontext_base + N64_SIGCONTEXT_REGS);

  for (ireg = 1; ireg < 32; ireg++)
    trad_frame_set_reg_addr (this_cache,
			     ireg + MIPS_ZERO_REGNUM
			     + gdbarch_num_regs (gdbarch),
			     sigcontext_base + N64_SIGCONTEXT_REGS
			     + ireg * N64_SIGCONTEXT_REG_SIZE);

  for (ireg = 0; ireg < 32; ireg++)
    trad_frame_set_reg_addr (this_cache,
			     ireg + regs->fp0
			     + gdbarch_num_regs (gdbarch),
			     sigcontext_base + N64_SIGCONTEXT_FPREGS
			     + ireg * N64_SIGCONTEXT_REG_SIZE);

  trad_frame_set_reg_addr (this_cache,
			   regs->pc + gdbarch_num_regs (gdbarch),
			   sigcontext_base + N64_SIGCONTEXT_PC);

  trad_frame_set_reg_addr (this_cache,
			   regs->fp_control_status
			   + gdbarch_num_regs (gdbarch),
			   sigcontext_base + N64_SIGCONTEXT_FPCSR);
  trad_frame_set_reg_addr (this_cache,
			   regs->hi + gdbarch_num_regs (gdbarch),
			   sigcontext_base + N64_SIGCONTEXT_HI);
  trad_frame_set_reg_addr (this_cache,
			   regs->lo + gdbarch_num_regs (gdbarch),
			   sigcontext_base + N64_SIGCONTEXT_LO);

  /* Choice of the bottom of the sigframe is somewhat arbitrary.  */
  trad_frame_set_id (this_cache, frame_id_build (frame_sp, func));
}
Ejemplo n.º 22
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static struct trad_frame_cache *
ppcobsd_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache)
{
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
  struct trad_frame_cache *cache;
  CORE_ADDR addr, base, func;
  gdb_byte buf[PPC_INSN_SIZE];
  unsigned long insn, sigcontext_offset;
  int i;

  if (*this_cache)
    return (struct trad_frame_cache *) *this_cache;

  cache = trad_frame_cache_zalloc (this_frame);
  *this_cache = cache;

  func = get_frame_pc (this_frame);
  func &= ~(ppcobsd_page_size - 1);
  if (!safe_frame_unwind_memory (this_frame, func, buf, sizeof buf))
    return cache;

  /* Calculate the offset where we can find `struct sigcontext'.  We
     base our calculation on the amount of stack space reserved by the
     first instruction of the signal trampoline.  */
  insn = extract_unsigned_integer (buf, PPC_INSN_SIZE, byte_order);
  sigcontext_offset = (0x10000 - (insn & 0x0000ffff)) + 8;

  base = get_frame_register_unsigned (this_frame, gdbarch_sp_regnum (gdbarch));
  addr = base + sigcontext_offset + 2 * tdep->wordsize;
  for (i = 0; i < ppc_num_gprs; i++, addr += tdep->wordsize)
    {
      int regnum = i + tdep->ppc_gp0_regnum;
      trad_frame_set_reg_addr (cache, regnum, addr);
    }
  trad_frame_set_reg_addr (cache, tdep->ppc_lr_regnum, addr);
  addr += tdep->wordsize;
  trad_frame_set_reg_addr (cache, tdep->ppc_cr_regnum, addr);
  addr += tdep->wordsize;
  trad_frame_set_reg_addr (cache, tdep->ppc_xer_regnum, addr);
  addr += tdep->wordsize;
  trad_frame_set_reg_addr (cache, tdep->ppc_ctr_regnum, addr);
  addr += tdep->wordsize;
  trad_frame_set_reg_addr (cache, gdbarch_pc_regnum (gdbarch), addr);
  /* SRR0?  */
  addr += tdep->wordsize;

  /* Construct the frame ID using the function start.  */
  trad_frame_set_id (cache, frame_id_build (base, func));

  return cache;
}
Ejemplo n.º 23
0
static void
arm_linux_restart_syscall_init (const struct tramp_frame *self,
				struct frame_info *this_frame,
				struct trad_frame_cache *this_cache,
				CORE_ADDR func)
{
  CORE_ADDR sp = get_frame_register_unsigned (this_frame, ARM_SP_REGNUM);

  trad_frame_set_reg_addr (this_cache, ARM_PC_REGNUM, sp);
  trad_frame_set_reg_value (this_cache, ARM_SP_REGNUM, sp + 12);

  /* Save a frame ID.  */
  trad_frame_set_id (this_cache, frame_id_build (sp, func));
}
Ejemplo n.º 24
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static struct trad_frame_cache *
ppcfbsd_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache)
{
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
  struct trad_frame_cache *cache;
  CORE_ADDR addr, base, func;
  gdb_byte buf[PPC_INSN_SIZE];
  int i;

  if (*this_cache)
    return *this_cache;

  cache = trad_frame_cache_zalloc (this_frame);
  *this_cache = cache;

  func = get_frame_pc (this_frame);
  func &= ~(ppcfbsd_page_size - 1);
  if (!safe_frame_unwind_memory (this_frame, func, buf, sizeof buf))
    return cache;

  base = get_frame_register_unsigned (this_frame, gdbarch_sp_regnum (gdbarch));
  addr = base + 0x10 + 2 * tdep->wordsize;
  for (i = 0; i < ppc_num_gprs; i++, addr += tdep->wordsize)
    {
      int regnum = i + tdep->ppc_gp0_regnum;
      trad_frame_set_reg_addr (cache, regnum, addr);
    }
  trad_frame_set_reg_addr (cache, tdep->ppc_lr_regnum, addr);
  addr += tdep->wordsize;
  trad_frame_set_reg_addr (cache, tdep->ppc_cr_regnum, addr);
  addr += tdep->wordsize;
  trad_frame_set_reg_addr (cache, tdep->ppc_xer_regnum, addr);
  addr += tdep->wordsize;
  trad_frame_set_reg_addr (cache, tdep->ppc_ctr_regnum, addr);
  addr += tdep->wordsize;
  trad_frame_set_reg_addr (cache, gdbarch_pc_regnum (gdbarch), addr);
  /* SRR0?  */
  addr += tdep->wordsize;

  /* Construct the frame ID using the function start.  */
  trad_frame_set_id (cache, frame_id_build (base, func));

  return cache;
}
static void
sparc64_linux_sigframe_init (const struct tramp_frame *self,
			     struct frame_info *this_frame,
			     struct trad_frame_cache *this_cache,
			     CORE_ADDR func)
{
  CORE_ADDR base, addr, sp_addr;
  int regnum;

  base = get_frame_register_unsigned (this_frame, SPARC_O1_REGNUM);
  base += 128;

  /* Offsets from <bits/sigcontext.h>.  */

  /* Since %g0 is always zero, keep the identity encoding.  */
  addr = base + 8;
  sp_addr = base + ((SPARC_SP_REGNUM - SPARC_G0_REGNUM) * 8);
  for (regnum = SPARC_G1_REGNUM; regnum <= SPARC_O7_REGNUM; regnum++)
    {
      trad_frame_set_reg_addr (this_cache, regnum, addr);
      addr += 8;
    }

  trad_frame_set_reg_addr (this_cache, SPARC64_STATE_REGNUM, addr + 0);
  trad_frame_set_reg_addr (this_cache, SPARC64_PC_REGNUM, addr + 8);
  trad_frame_set_reg_addr (this_cache, SPARC64_NPC_REGNUM, addr + 16);
  trad_frame_set_reg_addr (this_cache, SPARC64_Y_REGNUM, addr + 24);
  trad_frame_set_reg_addr (this_cache, SPARC64_FPRS_REGNUM, addr + 28);

  base = get_frame_register_unsigned (this_frame, SPARC_SP_REGNUM);
  if (base & 1)
    base += BIAS;

  addr = get_frame_memory_unsigned (this_frame, sp_addr, 8);
  if (addr & 1)
    addr += BIAS;

  for (regnum = SPARC_L0_REGNUM; regnum <= SPARC_I7_REGNUM; regnum++)
    {
      trad_frame_set_reg_addr (this_cache, regnum, addr);
      addr += 8;
    }
  trad_frame_set_id (this_cache, frame_id_build (base, func));
}
Ejemplo n.º 26
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static void
mips64obsd_sigframe_init (const struct tramp_frame *self,
			  struct frame_info *next_frame,
			  struct trad_frame_cache *cache,
			  CORE_ADDR func)
{
  struct gdbarch *gdbarch = get_frame_arch (next_frame);
  CORE_ADDR sp, sigcontext_addr, addr;
  int regnum;

  /* We find the appropriate instance of `struct sigcontext' at a
     fixed offset in the signal frame.  */
  sp = frame_unwind_register_signed (next_frame,
				     MIPS_SP_REGNUM
				     + gdbarch_num_regs (current_gdbarch));
  sigcontext_addr = sp + 32;

  /* PC.  */
  regnum = mips_regnum (gdbarch)->pc;
  trad_frame_set_reg_addr (cache,
			   regnum + gdbarch_num_regs (current_gdbarch),
			    sigcontext_addr + 16);

  /* GPRs.  */
  for (regnum = MIPS_AT_REGNUM, addr = sigcontext_addr + 32;
       regnum <= MIPS_RA_REGNUM; regnum++, addr += 8)
    trad_frame_set_reg_addr (cache,
			     regnum + gdbarch_num_regs (current_gdbarch),
			     addr);

  /* HI and LO.  */
  regnum = mips_regnum (gdbarch)->lo;
  trad_frame_set_reg_addr (cache,
			   regnum + gdbarch_num_regs (current_gdbarch),
			   sigcontext_addr + 280);
  regnum = mips_regnum (gdbarch)->hi;
  trad_frame_set_reg_addr (cache,
			   regnum + gdbarch_num_regs (current_gdbarch),
			   sigcontext_addr + 288);

  /* TODO: Handle the floating-point registers.  */

  trad_frame_set_id (cache, frame_id_build (sp, func));
}
Ejemplo n.º 27
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static struct trad_frame_cache *
ppcfbsd_trapframe_cache (struct frame_info *this_frame, void **this_cache)
{
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
  struct trad_frame_cache *cache;
  CORE_ADDR base;
  int i, regnum;

  if (*this_cache)
    return *this_cache;

  cache = trad_frame_cache_zalloc (this_frame);
  *this_cache = cache;

  base = get_frame_register_unsigned (this_frame, gdbarch_sp_regnum (gdbarch));
  if (tdep->wordsize == 8)
    base += 48;
  else
    base += 8;

  for (i = 0; i < ppc_num_gprs; i++)
    trad_frame_set_reg_addr (cache, tdep->ppc_gp0_regnum + i, base
			     + (OFF_FIXREG + i) * tdep->wordsize);
  trad_frame_set_reg_addr (cache, tdep->ppc_lr_regnum, base
			   + OFF_LR * tdep->wordsize);
  trad_frame_set_reg_addr (cache, tdep->ppc_cr_regnum, base
			   + OFF_CR * tdep->wordsize);
  trad_frame_set_reg_addr (cache, tdep->ppc_xer_regnum, base
			   + OFF_XER * tdep->wordsize);
  trad_frame_set_reg_addr (cache, tdep->ppc_ctr_regnum, base
			   + OFF_CTR * tdep->wordsize);
  /* SRR0?  */
  trad_frame_set_reg_addr (cache, gdbarch_pc_regnum (gdbarch), base
			   + OFF_SRR0 * tdep->wordsize);

  /* Construct the frame ID using the function start.  */
  trad_frame_set_id (cache, frame_id_build (base, get_frame_func (this_frame)));
  
  return cache;
}
Ejemplo n.º 28
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static void
nios2_linux_rt_sigreturn_init (const struct tramp_frame *self,
			       struct frame_info *next_frame,
			       struct trad_frame_cache *this_cache,
			       CORE_ADDR func)
{
  CORE_ADDR base = func + 41 * 4;
  int i;

  for (i = 0; i < 23; i++)
    trad_frame_set_reg_addr (this_cache, i + 1, base + i * 4);
  trad_frame_set_reg_addr (this_cache, NIOS2_RA_REGNUM, base + 23 * 4);
  trad_frame_set_reg_addr (this_cache, NIOS2_FP_REGNUM, base + 24 * 4);
  trad_frame_set_reg_addr (this_cache, NIOS2_GP_REGNUM, base + 25 * 4);
  trad_frame_set_reg_addr (this_cache, NIOS2_PC_REGNUM, base + 27 * 4);
  trad_frame_set_reg_addr (this_cache, NIOS2_SP_REGNUM, base + 28 * 4);

  /* Save a frame ID.  */
  trad_frame_set_id (this_cache, frame_id_build (base, func));
}
Ejemplo n.º 29
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static void
arm_linux_sigtramp_cache (struct frame_info *this_frame,
			  struct trad_frame_cache *this_cache,
			  CORE_ADDR func, int regs_offset)
{
  CORE_ADDR sp = get_frame_register_unsigned (this_frame, ARM_SP_REGNUM);
  CORE_ADDR base = sp + regs_offset;
  int i;

  for (i = 0; i < 16; i++)
    trad_frame_set_reg_addr (this_cache, i, base + i * 4);

  trad_frame_set_reg_addr (this_cache, ARM_PS_REGNUM, base + 16 * 4);

  /* The VFP or iWMMXt registers may be saved on the stack, but there's
     no reliable way to restore them (yet).  */

  /* Save a frame ID.  */
  trad_frame_set_id (this_cache, frame_id_build (sp, func));
}
Ejemplo n.º 30
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static void
i386nbsd_sigtramp_cache_init (const struct tramp_frame *self,
			      struct frame_info *this_frame,
			      struct trad_frame_cache *this_cache,
			      CORE_ADDR func)
{
  struct gdbarch *gdbarch = get_frame_arch (this_frame);
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
  CORE_ADDR sp = get_frame_register_unsigned (this_frame, I386_ESP_REGNUM);
  CORE_ADDR base;
  int *reg_offset;
  int num_regs;
  int i;

  if (self == &i386nbsd_sigtramp_sc16 || self == &i386nbsd_sigtramp_sc2)
    {
      reg_offset = i386nbsd_sc_reg_offset;
      num_regs = ARRAY_SIZE (i386nbsd_sc_reg_offset);

      /* Read in the sigcontext address */
      base = read_memory_unsigned_integer (sp + 8, 4, byte_order);
    }
  else
    {
      reg_offset = i386nbsd_mc_reg_offset;
      num_regs = ARRAY_SIZE (i386nbsd_mc_reg_offset);

      /* Read in the ucontext address */
      base = read_memory_unsigned_integer (sp + 8, 4, byte_order);
      /* offsetof(ucontext_t, uc_mcontext) == 36 */
      base += 36;
    }

  for (i = 0; i < num_regs; i++)
    if (reg_offset[i] != -1)
      trad_frame_set_reg_addr (this_cache, i, base + reg_offset[i]);

  /* Construct the frame ID using the function start.  */
  trad_frame_set_id (this_cache, frame_id_build (sp, func));
}