void
mips64_supply_fpregset (struct regcache *regcache,
const mips64_elf_fpregset_t *fpregsetp)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
int regi;
/* See mips_linux_o32_sigframe_init for a description of the
peculiar FP register layout. */
if (register_size (gdbarch, gdbarch_fp0_regnum (gdbarch)) == 4)
for (regi = 0; regi < 32; regi++)
{
const gdb_byte *reg_ptr = (const gdb_byte *)(*fpregsetp + (regi & ~1));
if ((gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) != (regi & 1))
reg_ptr += 4;
regcache_raw_supply (regcache,
gdbarch_fp0_regnum (gdbarch) + regi,
reg_ptr);
}
else
for (regi = 0; regi < 32; regi++)
regcache_raw_supply (regcache,
gdbarch_fp0_regnum (gdbarch) + regi,
(const char *)(*fpregsetp + regi));
supply_32bit_reg (regcache, mips_regnum (gdbarch)->fp_control_status,
(const gdb_byte *)(*fpregsetp + 32));
/* The ABI doesn't tell us how to supply FCRIR, and core dumps don't
include it - but the result of PTRACE_GETFPREGS does. The best we
can do is to assume that its value is present. */
supply_32bit_reg (regcache,
mips_regnum (gdbarch)->fp_implementation_revision,
(const gdb_byte *)(*fpregsetp + 32) + 4);
}
void
mips_supply_gregset (struct regcache *regcache,
const mips_elf_gregset_t *gregsetp)
{
int regi;
const mips_elf_greg_t *regp = *gregsetp;
char zerobuf[MAX_REGISTER_SIZE];
struct gdbarch *gdbarch = get_regcache_arch (regcache);
memset (zerobuf, 0, MAX_REGISTER_SIZE);
for (regi = EF_REG0 + 1; regi <= EF_REG31; regi++)
supply_32bit_reg (regcache, regi - EF_REG0, regp + regi);
if (mips_linux_restart_reg_p (gdbarch))
supply_32bit_reg (regcache, MIPS_RESTART_REGNUM, regp + EF_REG0);
supply_32bit_reg (regcache, mips_regnum (gdbarch)->lo, regp + EF_LO);
supply_32bit_reg (regcache, mips_regnum (gdbarch)->hi, regp + EF_HI);
supply_32bit_reg (regcache, mips_regnum (gdbarch)->pc,
regp + EF_CP0_EPC);
supply_32bit_reg (regcache, mips_regnum (gdbarch)->badvaddr,
regp + EF_CP0_BADVADDR);
supply_32bit_reg (regcache, MIPS_PS_REGNUM, regp + EF_CP0_STATUS);
supply_32bit_reg (regcache, mips_regnum (gdbarch)->cause,
regp + EF_CP0_CAUSE);
}
void
mips_supply_gregset (struct regcache *regcache,
const mips_elf_gregset_t *gregsetp)
{
int regi;
const mips_elf_greg_t *regp = *gregsetp;
char zerobuf[MAX_REGISTER_SIZE];
memset (zerobuf, 0, MAX_REGISTER_SIZE);
for (regi = EF_REG0 + 1; regi <= EF_REG31; regi++)
supply_32bit_reg (regcache, regi - EF_REG0, regp + regi);
if (mips_linux_restart_reg_p (current_gdbarch))
supply_32bit_reg (regcache, MIPS_RESTART_REGNUM, regp + EF_REG0);
supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->lo,
regp + EF_LO);
supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->hi,
regp + EF_HI);
supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->pc,
regp + EF_CP0_EPC);
supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->badvaddr,
regp + EF_CP0_BADVADDR);
supply_32bit_reg (regcache, MIPS_PS_REGNUM, regp + EF_CP0_STATUS);
supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->cause,
regp + EF_CP0_CAUSE);
/* Fill inaccessible registers with zero. */
regcache_raw_supply (regcache, MIPS_ZERO_REGNUM, zerobuf);
regcache_raw_supply (regcache, MIPS_UNUSED_REGNUM, zerobuf);
for (regi = MIPS_FIRST_EMBED_REGNUM;
regi <= MIPS_LAST_EMBED_REGNUM;
regi++)
regcache_raw_supply (regcache, regi, zerobuf);
}
