void
fetch_inferior_registers (int regno)
{
unsigned int regaddr;
char buf[MAX_REGISTER_SIZE];
int i;
char zerobuf[MAX_REGISTER_SIZE];
memset (zerobuf, 0, MAX_REGISTER_SIZE);
deprecated_registers_fetched ();
for (regno = 1; regno < NUM_REGS; regno++)
{
regaddr = register_ptrace_addr (regno);
for (i = 0; i < DEPRECATED_REGISTER_RAW_SIZE (regno); i += sizeof (int))
{
*(int *) &buf[i] = ptrace (PT_READ_U, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) regaddr, 0);
regaddr += sizeof (int);
}
supply_register (regno, buf);
}
supply_register (ZERO_REGNUM, zerobuf);
/* Frame ptr reg must appear to be 0; it is faked by stack handling code. */
supply_register (DEPRECATED_FP_REGNUM, zerobuf);
}
/* Get registers from a core file. REG_ADDR is unused. */
static void
fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
unsigned int reg_addr)
{
struct coreregs *core_reg;
core_reg = (struct coreregs *) core_reg_sect;
/*
* We have *all* registers
* in the first core section.
* Ignore which.
*/
if (core_reg_size < sizeof (*core_reg))
{
fprintf_unfiltered (gdb_stderr, "Couldn't read regs from core file\n");
return;
}
/* Integer registers */
RF (R0_REGNUM + 0, core_reg->intreg.r_r0);
RF (R0_REGNUM + 1, core_reg->intreg.r_r1);
RF (R0_REGNUM + 2, core_reg->intreg.r_r2);
RF (R0_REGNUM + 3, core_reg->intreg.r_r3);
RF (R0_REGNUM + 4, core_reg->intreg.r_r4);
RF (R0_REGNUM + 5, core_reg->intreg.r_r5);
RF (R0_REGNUM + 6, core_reg->intreg.r_r6);
RF (R0_REGNUM + 7, core_reg->intreg.r_r7);
RF (SP_REGNUM, core_reg->intreg.r_sp);
RF (DEPRECATED_FP_REGNUM, core_reg->intreg.r_fp);
RF (PC_REGNUM, core_reg->intreg.r_pc);
RF (PS_REGNUM, core_reg->intreg.r_psr);
/* Floating point registers */
RF (FPS_REGNUM, core_reg->freg.r_fsr);
RF (FP0_REGNUM + 0, core_reg->freg.r_freg[0]);
RF (FP0_REGNUM + 2, core_reg->freg.r_freg[2]);
RF (FP0_REGNUM + 4, core_reg->freg.r_freg[4]);
RF (FP0_REGNUM + 6, core_reg->freg.r_freg[6]);
RF (LP0_REGNUM + 1, core_reg->freg.r_freg[1]);
RF (LP0_REGNUM + 3, core_reg->freg.r_freg[3]);
RF (LP0_REGNUM + 5, core_reg->freg.r_freg[5]);
RF (LP0_REGNUM + 7, core_reg->freg.r_freg[7]);
deprecated_registers_fetched ();
}
/*
* Get registers from a kernel crash dump or live kernel.
* Called by kcore-nbsd.c:get_kcore_registers().
*/
void
fetch_kcore_registers (struct pcb *pcb)
{
struct switchframe sf;
struct reg intreg;
int dummy;
/* Integer registers */
if (target_read_memory ((CORE_ADDR) pcb->pcb_ksp, (char *) &sf, sizeof sf))
error ("Cannot read integer registers.");
/* We use the psr at kernel entry */
if (target_read_memory ((CORE_ADDR) pcb->pcb_onstack, (char *) &intreg, sizeof intreg))
error ("Cannot read processor status register.");
dummy = 0;
RF (R0_REGNUM + 0, dummy);
RF (R0_REGNUM + 1, dummy);
RF (R0_REGNUM + 2, dummy);
RF (R0_REGNUM + 3, sf.sf_r3);
RF (R0_REGNUM + 4, sf.sf_r4);
RF (R0_REGNUM + 5, sf.sf_r5);
RF (R0_REGNUM + 6, sf.sf_r6);
RF (R0_REGNUM + 7, sf.sf_r7);
dummy = pcb->pcb_kfp + 8;
RF (SP_REGNUM, dummy);
RF (DEPRECATED_FP_REGNUM, sf.sf_fp);
RF (PC_REGNUM, sf.sf_pc);
RF (PS_REGNUM, intreg.r_psr);
/* Floating point registers */
RF (FPS_REGNUM, pcb->pcb_fsr);
RF (FP0_REGNUM + 0, pcb->pcb_freg[0]);
RF (FP0_REGNUM + 2, pcb->pcb_freg[2]);
RF (FP0_REGNUM + 4, pcb->pcb_freg[4]);
RF (FP0_REGNUM + 6, pcb->pcb_freg[6]);
RF (LP0_REGNUM + 1, pcb->pcb_freg[1]);
RF (LP0_REGNUM + 3, pcb->pcb_freg[3]);
RF (LP0_REGNUM + 5, pcb->pcb_freg[5]);
RF (LP0_REGNUM + 7, pcb->pcb_freg[7]);
deprecated_registers_fetched ();
}
void
fetch_inferior_registers (int regno)
{
struct reg inferior_registers;
struct fpreg inferior_fpregisters;
ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) & inferior_registers, 0);
ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) & inferior_fpregisters, 0);
RF (R0_REGNUM + 0, inferior_registers.r_r0);
RF (R0_REGNUM + 1, inferior_registers.r_r1);
RF (R0_REGNUM + 2, inferior_registers.r_r2);
RF (R0_REGNUM + 3, inferior_registers.r_r3);
RF (R0_REGNUM + 4, inferior_registers.r_r4);
RF (R0_REGNUM + 5, inferior_registers.r_r5);
RF (R0_REGNUM + 6, inferior_registers.r_r6);
RF (R0_REGNUM + 7, inferior_registers.r_r7);
RF (SP_REGNUM, inferior_registers.r_sp);
RF (DEPRECATED_FP_REGNUM, inferior_registers.r_fp);
RF (PC_REGNUM, inferior_registers.r_pc);
RF (PS_REGNUM, inferior_registers.r_psr);
RF (FPS_REGNUM, inferior_fpregisters.r_fsr);
RF (FP0_REGNUM + 0, inferior_fpregisters.r_freg[0]);
RF (FP0_REGNUM + 2, inferior_fpregisters.r_freg[2]);
RF (FP0_REGNUM + 4, inferior_fpregisters.r_freg[4]);
RF (FP0_REGNUM + 6, inferior_fpregisters.r_freg[6]);
RF (LP0_REGNUM + 1, inferior_fpregisters.r_freg[1]);
RF (LP0_REGNUM + 3, inferior_fpregisters.r_freg[3]);
RF (LP0_REGNUM + 5, inferior_fpregisters.r_freg[5]);
RF (LP0_REGNUM + 7, inferior_fpregisters.r_freg[7]);
deprecated_registers_fetched ();
}
