static void
amd64bsd_fetch_inferior_registers (struct target_ops *ops,
struct regcache *regcache, int regnum)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
amd64_supply_native_gregset (regcache, ®s, -1);
if (regnum != -1)
return;
}
if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
amd64_supply_fxsave (regcache, -1, &fpregs);
}
}
static void
amd64_linux_fetch_inferior_registers (int regnum)
{
int tid;
/* GNU/Linux LWP ID's are process ID's. */
tid = TIDGET (inferior_ptid);
if (tid == 0)
tid = PIDGET (inferior_ptid); /* Not a threaded program. */
if (regnum == -1 || amd64_native_gregset_supplies_p (regnum))
{
elf_gregset_t regs;
if (ptrace (PTRACE_GETREGS, tid, 0, (long) ®s) < 0)
perror_with_name (_("Couldn't get registers"));
amd64_supply_native_gregset (current_regcache, ®s, -1);
if (regnum != -1)
return;
}
if (regnum == -1 || !amd64_native_gregset_supplies_p (regnum))
{
elf_fpregset_t fpregs;
if (ptrace (PTRACE_GETFPREGS, tid, 0, (long) &fpregs) < 0)
perror_with_name (_("Couldn't get floating point status"));
amd64_supply_fxsave (current_regcache, -1, &fpregs);
}
}
void
fetch_inferior_registers (int regnum)
{
if (regnum == -1 || amd64_native_gregset_supplies_p (regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) ®s, 0) == -1)
perror_with_name ("Couldn't get registers");
amd64_supply_native_gregset (current_regcache, ®s, -1);
if (regnum != -1)
return;
}
if (regnum == -1 || regnum >= AMD64_ST0_REGNUM)
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
perror_with_name ("Couldn't get floating point status");
amd64_supply_fxsave (current_regcache, -1, &fpregs);
}
}
static void
amd64_supply_fpregset (const struct regset *regset, struct regcache *regcache,
int regnum, const void *fpregs, size_t len)
{
const struct gdbarch_tdep *tdep = gdbarch_tdep (regset->arch);
gdb_assert (len == tdep->sizeof_fpregset);
amd64_supply_fxsave (regcache, regnum, fpregs);
}
static void
amd64obsd_supply_regset (const struct regset *regset,
struct regcache *regcache, int regnum,
const void *regs, size_t len)
{
const struct gdbarch_tdep *tdep = gdbarch_tdep (regset->arch);
gdb_assert (len >= tdep->sizeof_gregset + I387_SIZEOF_FXSAVE);
i386_supply_gregset (regset, regcache, regnum, regs, tdep->sizeof_gregset);
amd64_supply_fxsave (regcache, regnum,
((const gdb_byte *)regs) + tdep->sizeof_gregset);
}
static void
amd64_linux_fetch_inferior_registers (struct target_ops *ops,
struct regcache *regcache, int regnum)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
int tid;
/* GNU/Linux LWP ID's are process ID's. */
tid = ptid_get_lwp (inferior_ptid);
if (tid == 0)
tid = ptid_get_pid (inferior_ptid); /* Not a threaded program. */
if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, regnum))
{
elf_gregset_t regs;
if (ptrace (PTRACE_GETREGS, tid, 0, (long) ®s) < 0)
perror_with_name (_("Couldn't get registers"));
amd64_supply_native_gregset (regcache, ®s, -1);
if (regnum != -1)
return;
}
if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
{
elf_fpregset_t fpregs;
if (have_ptrace_getregset)
{
char xstateregs[I386_XSTATE_MAX_SIZE];
struct iovec iov;
iov.iov_base = xstateregs;
iov.iov_len = sizeof (xstateregs);
if (ptrace (PTRACE_GETREGSET, tid,
(unsigned int) NT_X86_XSTATE, (long) &iov) < 0)
perror_with_name (_("Couldn't get extended state status"));
amd64_supply_xsave (regcache, -1, xstateregs);
}
else
{
if (ptrace (PTRACE_GETFPREGS, tid, 0, (long) &fpregs) < 0)
perror_with_name (_("Couldn't get floating point status"));
amd64_supply_fxsave (regcache, -1, &fpregs);
}
}
}
static void
amd64bsd_fetch_inferior_registers (struct target_ops *ops,
struct regcache *regcache, int regnum)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, get_ptrace_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
amd64_supply_native_gregset (regcache, ®s, -1);
if (regnum != -1)
return;
}
if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
{
struct fpreg fpregs;
#ifdef PT_GETXSTATE_INFO
void *xstateregs;
if (x86bsd_xsave_len != 0)
{
xstateregs = alloca (x86bsd_xsave_len);
if (ptrace (PT_GETXSTATE, get_ptrace_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) xstateregs, 0) == -1)
perror_with_name (_("Couldn't get extended state status"));
amd64_supply_xsave (regcache, -1, xstateregs);
return;
}
#endif
if (ptrace (PT_GETFPREGS, get_ptrace_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
amd64_supply_fxsave (regcache, -1, &fpregs);
}
}
void
kgdb_trgt_fetch_registers(int regno __unused)
{
struct kthr *kt;
struct pcb pcb;
kt = kgdb_thr_lookup_tid(ptid_get_pid(inferior_ptid));
if (kt == NULL)
return;
if (kvm_read(kvm, kt->pcb, &pcb, sizeof(pcb)) != sizeof(pcb)) {
warnx("kvm_read: %s", kvm_geterr(kvm));
memset(&pcb, 0, sizeof(pcb));
}
supply_register(AMD64_RBX_REGNUM, (char *)&pcb.pcb_rbx);
supply_register(AMD64_RBP_REGNUM, (char *)&pcb.pcb_rbp);
supply_register(AMD64_RSP_REGNUM, (char *)&pcb.pcb_rsp);
supply_register(AMD64_R8_REGNUM + 4, (char *)&pcb.pcb_r12);
supply_register(AMD64_R8_REGNUM + 5, (char *)&pcb.pcb_r13);
supply_register(AMD64_R8_REGNUM + 6, (char *)&pcb.pcb_r14);
supply_register(AMD64_R15_REGNUM, (char *)&pcb.pcb_r15);
supply_register(AMD64_RIP_REGNUM, (char *)&pcb.pcb_rip);
amd64_supply_fxsave(current_regcache, -1, (struct fpusave *)(&pcb + 1));
}
void
supply_fpregset (struct regcache *regcache, const elf_fpregset_t *fpregsetp)
{
amd64_supply_fxsave (regcache, -1, fpregsetp);
}
void
supply_fpregset (elf_fpregset_t *fpregsetp)
{
amd64_supply_fxsave (current_regcache, -1, fpregsetp);
}
void
amd64bsd_fetch_inferior_registers (struct regcache *regcache, int regnum)
{
struct gdbarch *gdbarch = regcache->arch ();
pid_t pid = get_ptrace_pid (regcache->ptid ());
if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
amd64_supply_native_gregset (regcache, ®s, -1);
if (regnum != -1)
return;
}
#ifdef PT_GETFSBASE
if (regnum == -1 || regnum == AMD64_FSBASE_REGNUM)
{
register_t base;
if (ptrace (PT_GETFSBASE, pid, (PTRACE_TYPE_ARG3) &base, 0) == -1)
perror_with_name (_("Couldn't get segment register fs_base"));
regcache->raw_supply (AMD64_FSBASE_REGNUM, &base);
if (regnum != -1)
return;
}
#endif
#ifdef PT_GETGSBASE
if (regnum == -1 || regnum == AMD64_GSBASE_REGNUM)
{
register_t base;
if (ptrace (PT_GETGSBASE, pid, (PTRACE_TYPE_ARG3) &base, 0) == -1)
perror_with_name (_("Couldn't get segment register gs_base"));
regcache->raw_supply (AMD64_GSBASE_REGNUM, &base);
if (regnum != -1)
return;
}
#endif
if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
{
struct fpreg fpregs;
#ifdef PT_GETXSTATE_INFO
void *xstateregs;
if (x86bsd_xsave_len != 0)
{
xstateregs = alloca (x86bsd_xsave_len);
if (ptrace (PT_GETXSTATE, pid, (PTRACE_TYPE_ARG3) xstateregs, 0)
== -1)
perror_with_name (_("Couldn't get extended state status"));
amd64_supply_xsave (regcache, -1, xstateregs);
return;
}
#endif
if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
amd64_supply_fxsave (regcache, -1, &fpregs);
}
}
/* Read register values from the inferior process.
If REGNO is -1, do this for all registers.
Otherwise, REGNO specifies which register (so we can save time). */
static void
i386_darwin_fetch_inferior_registers (struct target_ops *ops,
struct regcache *regcache, int regno)
{
thread_t current_thread = ptid_get_tid (inferior_ptid);
int fetched = 0;
struct gdbarch *gdbarch = get_regcache_arch (regcache);
#ifdef BFD64
if (gdbarch_ptr_bit (gdbarch) == 64)
{
if (regno == -1 || amd64_native_gregset_supplies_p (gdbarch, regno))
{
x86_thread_state_t gp_regs;
unsigned int gp_count = x86_THREAD_STATE_COUNT;
kern_return_t ret;
ret = thread_get_state
(current_thread, x86_THREAD_STATE, (thread_state_t) & gp_regs,
&gp_count);
if (ret != KERN_SUCCESS)
{
printf_unfiltered (_("Error calling thread_get_state for "
"GP registers for thread 0x%ulx"),
current_thread);
MACH_CHECK_ERROR (ret);
}
amd64_supply_native_gregset (regcache, &gp_regs.uts, -1);
fetched++;
}
if (regno == -1 || !amd64_native_gregset_supplies_p (gdbarch, regno))
{
x86_float_state_t fp_regs;
unsigned int fp_count = x86_FLOAT_STATE_COUNT;
kern_return_t ret;
ret = thread_get_state
(current_thread, x86_FLOAT_STATE, (thread_state_t) & fp_regs,
&fp_count);
if (ret != KERN_SUCCESS)
{
printf_unfiltered (_("Error calling thread_get_state for "
"float registers for thread 0x%ulx"),
current_thread);
MACH_CHECK_ERROR (ret);
}
amd64_supply_fxsave (regcache, -1, &fp_regs.ufs.fs64.__fpu_fcw);
fetched++;
}
}
else
#endif
{
if (regno == -1 || regno < I386_NUM_GREGS)
{
i386_thread_state_t gp_regs;
unsigned int gp_count = i386_THREAD_STATE_COUNT;
kern_return_t ret;
int i;
ret = thread_get_state
(current_thread, i386_THREAD_STATE, (thread_state_t) & gp_regs,
&gp_count);
if (ret != KERN_SUCCESS)
{
printf_unfiltered (_("Error calling thread_get_state for "
"GP registers for thread 0x%ulx"),
current_thread);
MACH_CHECK_ERROR (ret);
}
for (i = 0; i < I386_NUM_GREGS; i++)
regcache_raw_supply
(regcache, i,
(char *)&gp_regs + i386_darwin_thread_state_reg_offset[i]);
fetched++;
}
if (regno == -1
|| (regno >= I386_ST0_REGNUM && regno < I386_SSE_NUM_REGS))
{
i386_float_state_t fp_regs;
unsigned int fp_count = i386_FLOAT_STATE_COUNT;
kern_return_t ret;
ret = thread_get_state
(current_thread, i386_FLOAT_STATE, (thread_state_t) & fp_regs,
&fp_count);
if (ret != KERN_SUCCESS)
{
printf_unfiltered (_("Error calling thread_get_state for "
"float registers for thread 0x%ulx"),
current_thread);
MACH_CHECK_ERROR (ret);
}
i387_supply_fxsave (regcache, -1, &fp_regs.__fpu_fcw);
fetched++;
}
}
if (! fetched)
{
warning (_("unknown register %d"), regno);
regcache_raw_supply (regcache, regno, NULL);
}
}
void
supply_fpregset (prfpregset_t *fpregs)
{
amd64_supply_fxsave (current_regcache, -1, fpregs);
}
