#include "defs.h"
#include "inferior.h"
#include "gdbcore.h"
#include "target.h"
#include "regcache.h"
#include <sys/time.h>
#include <sys/procfs.h>
#include <setjmp.h>
#include "gregset.h"
#define JB_ELEMENT_SIZE 4
void
supply_gregset (gregset_t *gregsetp)
{
int regi;
greg_t *regp = &(*gregsetp)[0];
char zerobuf[MAX_REGISTER_SIZE];
memset (zerobuf, 0, MAX_REGISTER_SIZE);
for (regi = 0; regi <= CXT_RA; regi++)
regcache_raw_supply (current_regcache, regi, (char *) (regp + regi));
regcache_raw_supply (current_regcache, mips_regnum (current_gdbarch)->pc,
(char *) (regp + CXT_EPC));
regcache_raw_supply (current_regcache, mips_regnum (current_gdbarch)->hi,
(char *) (regp + CXT_MDHI));
regcache_raw_supply (current_regcache, mips_regnum (current_gdbarch)->lo,
(char *) (regp + CXT_MDLO));
regcache_raw_supply (current_regcache, mips_regnum (current_gdbarch)->cause,
(char *) (regp + CXT_CAUSE));
regcache_raw_supply (current_regcache, MIPS_PS_REGNUM, zerobuf);
regcache_raw_supply (current_regcache,
mips_regnum (current_gdbarch)->badvaddr,
zerobuf);
regcache_raw_supply (current_regcache, DEPRECATED_FP_REGNUM, zerobuf);
regcache_raw_supply (current_regcache, MIPS_UNUSED_REGNUM, zerobuf);
for (regi = MIPS_FIRST_EMBED_REGNUM; regi <= MIPS_LAST_EMBED_REGNUM; regi++)
regcache_raw_supply (current_regcache, regi, zerobuf);
}
void
fill_gregset (gregset_t *gregsetp, int regno)
{
int regi;
greg_t *regp = &(*gregsetp)[0];
for (regi = 0; regi <= 32; regi++)
if ((regno == -1) || (regno == regi))
*(regp + regi) = *(greg_t *) & deprecated_registers[DEPRECATED_REGISTER_BYTE (regi)];
if ((regno == -1) || (regno == mips_regnum (current_gdbarch)->pc))
*(regp + CXT_EPC) = *(greg_t *) & deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->pc)];
if ((regno == -1) || (regno == mips_regnum (current_gdbarch)->cause))
*(regp + CXT_CAUSE) = *(greg_t *) & deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->cause)];
if ((regno == -1) || (regno == mips_regnum (current_gdbarch)->hi))
*(regp + CXT_MDHI) = *(greg_t *) & deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->hi)];
if ((regno == -1) || (regno == mips_regnum (current_gdbarch)->lo))
*(regp + CXT_MDLO) = *(greg_t *) & deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->lo)];
}
void
supply_fpregset (fpregset_t *fpregsetp)
{
int regi;
char zerobuf[MAX_REGISTER_SIZE];
memset (zerobuf, 0, MAX_REGISTER_SIZE);
for (regi = 0; regi < 32; regi++)
regcache_raw_supply (current_regcache,
mips_regnum (current_gdbarch)->fp0 + regi,
(char *) &fpregsetp->fp_r.fp_regs[regi]);
regcache_raw_supply (current_regcache,
mips_regnum (current_gdbarch)->fp_control_status,
(char *) &fpregsetp->fp_csr);
regcache_raw_supply (current_regcache,
mips_regnum (current_gdbarch)->fp_implementation_revision,
zerobuf);
}
void
fill_fpregset (fpregset_t *fpregsetp, int regno)
{
int regi;
char *from, *to;
for (regi = mips_regnum (current_gdbarch)->fp0;
regi < mips_regnum (current_gdbarch)->fp0 + 32; regi++)
{
if ((regno == -1) || (regno == regi))
{
from = (char *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (regi)];
to = (char *) &(fpregsetp->fp_r.fp_regs[regi - mips_regnum (current_gdbarch)->fp0]);
memcpy (to, from, register_size (current_gdbarch, regi));
}
}
if ((regno == -1)
|| (regno == mips_regnum (current_gdbarch)->fp_control_status))
fpregsetp->fp_csr = *(unsigned *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->fp_control_status)];
}
int
get_longjmp_target (CORE_ADDR *pc)
{
char *buf;
CORE_ADDR jb_addr;
buf = alloca (TARGET_PTR_BIT / TARGET_CHAR_BIT);
jb_addr = read_register (MIPS_A0_REGNUM);
if (target_read_memory (jb_addr + _JB_PC * JB_ELEMENT_SIZE, buf,
TARGET_PTR_BIT / TARGET_CHAR_BIT))
return 0;
*pc = extract_unsigned_integer (buf, TARGET_PTR_BIT / TARGET_CHAR_BIT);
return 1;
}