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- /* Native-dependent code for LynxOS.
- Copyright 1993, 1994 Free Software Foundation, Inc.
-
- This file is part of GDB.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include "defs.h"
- #include "frame.h"
- #include "inferior.h"
- #include "target.h"
-
- #include <sys/ptrace.h>
- #include <sys/wait.h>
- #include <sys/fpp.h>
-
- static unsigned long registers_addr PARAMS ((int pid));
-
- #define X(ENTRY)(offsetof(struct econtext, ENTRY))
-
- #ifdef I386
- /* Mappings from tm-i386v.h */
-
- static int regmap[] =
- {
- X(eax),
- X(ecx),
- X(edx),
- X(ebx),
- X(esp), /* sp */
- X(ebp), /* fp */
- X(esi),
- X(edi),
- X(eip), /* pc */
- X(flags), /* ps */
- X(cs),
- X(ss),
- X(ds),
- X(es),
- X(ecode), /* Lynx doesn't give us either fs or gs, so */
- X(fault), /* we just substitute these two in the hopes
- that they are useful. */
- };
- #endif /* I386 */
-
- #ifdef M68K
- /* Mappings from tm-m68k.h */
-
- static int regmap[] =
- {
- X(regs[0]), /* d0 */
- X(regs[1]), /* d1 */
- X(regs[2]), /* d2 */
- X(regs[3]), /* d3 */
- X(regs[4]), /* d4 */
- X(regs[5]), /* d5 */
- X(regs[6]), /* d6 */
- X(regs[7]), /* d7 */
- X(regs[8]), /* a0 */
- X(regs[9]), /* a1 */
- X(regs[10]), /* a2 */
- X(regs[11]), /* a3 */
- X(regs[12]), /* a4 */
- X(regs[13]), /* a5 */
- X(regs[14]), /* fp */
- offsetof (st_t, usp) - offsetof (st_t, ec), /* sp */
- X(status), /* ps */
- X(pc),
-
- X(fregs[0*3]), /* fp0 */
- X(fregs[1*3]), /* fp1 */
- X(fregs[2*3]), /* fp2 */
- X(fregs[3*3]), /* fp3 */
- X(fregs[4*3]), /* fp4 */
- X(fregs[5*3]), /* fp5 */
- X(fregs[6*3]), /* fp6 */
- X(fregs[7*3]), /* fp7 */
-
- X(fcregs[0]), /* fpcontrol */
- X(fcregs[1]), /* fpstatus */
- X(fcregs[2]), /* fpiaddr */
- X(ssw), /* fpcode */
- X(fault), /* fpflags */
- };
- #endif /* M68K */
-
- #ifdef SPARC
- /* Mappings from tm-sparc.h */
-
- #define FX(ENTRY)(offsetof(struct fcontext, ENTRY))
-
- static int regmap[] =
- {
- -1, /* g0 */
- X(g1),
- X(g2),
- X(g3),
- X(g4),
- -1, /* g5->g7 aren't saved by Lynx */
- -1,
- -1,
-
- X(o[0]),
- X(o[1]),
- X(o[2]),
- X(o[3]),
- X(o[4]),
- X(o[5]),
- X(o[6]), /* sp */
- X(o[7]), /* ra */
-
- -1,-1,-1,-1,-1,-1,-1,-1, /* l0 -> l7 */
-
- -1,-1,-1,-1,-1,-1,-1,-1, /* i0 -> i7 */
-
- FX(f.fregs[0]), /* f0 */
- FX(f.fregs[1]),
- FX(f.fregs[2]),
- FX(f.fregs[3]),
- FX(f.fregs[4]),
- FX(f.fregs[5]),
- FX(f.fregs[6]),
- FX(f.fregs[7]),
- FX(f.fregs[8]),
- FX(f.fregs[9]),
- FX(f.fregs[10]),
- FX(f.fregs[11]),
- FX(f.fregs[12]),
- FX(f.fregs[13]),
- FX(f.fregs[14]),
- FX(f.fregs[15]),
- FX(f.fregs[16]),
- FX(f.fregs[17]),
- FX(f.fregs[18]),
- FX(f.fregs[19]),
- FX(f.fregs[20]),
- FX(f.fregs[21]),
- FX(f.fregs[22]),
- FX(f.fregs[23]),
- FX(f.fregs[24]),
- FX(f.fregs[25]),
- FX(f.fregs[26]),
- FX(f.fregs[27]),
- FX(f.fregs[28]),
- FX(f.fregs[29]),
- FX(f.fregs[30]),
- FX(f.fregs[31]),
-
- X(y),
- X(psr),
- X(wim),
- X(tbr),
- X(pc),
- X(npc),
- FX(fsr), /* fpsr */
- -1, /* cpsr */
- };
- #endif /* SPARC */
-
- #ifdef rs6000
-
- static int regmap[] =
- {
- X(iregs[0]), /* r0 */
- X(iregs[1]),
- X(iregs[2]),
- X(iregs[3]),
- X(iregs[4]),
- X(iregs[5]),
- X(iregs[6]),
- X(iregs[7]),
- X(iregs[8]),
- X(iregs[9]),
- X(iregs[10]),
- X(iregs[11]),
- X(iregs[12]),
- X(iregs[13]),
- X(iregs[14]),
- X(iregs[15]),
- X(iregs[16]),
- X(iregs[17]),
- X(iregs[18]),
- X(iregs[19]),
- X(iregs[20]),
- X(iregs[21]),
- X(iregs[22]),
- X(iregs[23]),
- X(iregs[24]),
- X(iregs[25]),
- X(iregs[26]),
- X(iregs[27]),
- X(iregs[28]),
- X(iregs[29]),
- X(iregs[30]),
- X(iregs[31]),
-
- X(fregs[0]), /* f0 */
- X(fregs[1]),
- X(fregs[2]),
- X(fregs[3]),
- X(fregs[4]),
- X(fregs[5]),
- X(fregs[6]),
- X(fregs[7]),
- X(fregs[8]),
- X(fregs[9]),
- X(fregs[10]),
- X(fregs[11]),
- X(fregs[12]),
- X(fregs[13]),
- X(fregs[14]),
- X(fregs[15]),
- X(fregs[16]),
- X(fregs[17]),
- X(fregs[18]),
- X(fregs[19]),
- X(fregs[20]),
- X(fregs[21]),
- X(fregs[22]),
- X(fregs[23]),
- X(fregs[24]),
- X(fregs[25]),
- X(fregs[26]),
- X(fregs[27]),
- X(fregs[28]),
- X(fregs[29]),
- X(fregs[30]),
- X(fregs[31]),
-
- X(srr0), /* IAR (PC) */
- X(srr1), /* MSR (PS) */
- X(cr), /* CR */
- X(lr), /* LR */
- X(ctr), /* CTR */
- X(xer), /* XER */
- X(mq) /* MQ */
- };
-
- #endif /* rs6000 */
-
- #ifdef SPARC
-
- /* This routine handles some oddball cases for Sparc registers and LynxOS.
- In partucular, it causes refs to G0, g5->7, and all fp regs to return zero.
- It also handles knows where to find the I & L regs on the stack. */
-
- void
- fetch_inferior_registers (regno)
- int regno;
- {
- int whatregs = 0;
-
- #define WHATREGS_FLOAT 1
- #define WHATREGS_GEN 2
- #define WHATREGS_STACK 4
-
- if (regno == -1)
- whatregs = WHATREGS_FLOAT | WHATREGS_GEN | WHATREGS_STACK;
- else if (regno >= L0_REGNUM && regno <= I7_REGNUM)
- whatregs = WHATREGS_STACK;
- else if (regno >= FP0_REGNUM && regno < FP0_REGNUM + 32)
- whatregs = WHATREGS_FLOAT;
- else
- whatregs = WHATREGS_GEN;
-
- if (whatregs & WHATREGS_GEN)
- {
- struct econtext ec; /* general regs */
- char buf[MAX_REGISTER_RAW_SIZE];
- int retval;
- int i;
-
- errno = 0;
- retval = ptrace (PTRACE_GETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &ec,
- 0);
- if (errno)
- perror_with_name ("ptrace(PTRACE_GETREGS)");
-
- memset (buf, 0, REGISTER_RAW_SIZE (G0_REGNUM));
- supply_register (G0_REGNUM, buf);
- supply_register (TBR_REGNUM, (char *)&ec.tbr);
-
- memcpy (®isters[REGISTER_BYTE (G1_REGNUM)], &ec.g1,
- 4 * REGISTER_RAW_SIZE (G1_REGNUM));
- for (i = G1_REGNUM; i <= G1_REGNUM + 3; i++)
- register_valid[i] = 1;
-
- supply_register (PS_REGNUM, (char *)&ec.psr);
- supply_register (Y_REGNUM, (char *)&ec.y);
- supply_register (PC_REGNUM, (char *)&ec.pc);
- supply_register (NPC_REGNUM, (char *)&ec.npc);
- supply_register (WIM_REGNUM, (char *)&ec.wim);
-
- memcpy (®isters[REGISTER_BYTE (O0_REGNUM)], ec.o,
- 8 * REGISTER_RAW_SIZE (O0_REGNUM));
- for (i = O0_REGNUM; i <= O0_REGNUM + 7; i++)
- register_valid[i] = 1;
- }
-
- if (whatregs & WHATREGS_STACK)
- {
- CORE_ADDR sp;
- int i;
-
- sp = read_register (SP_REGNUM);
-
- target_xfer_memory (sp + FRAME_SAVED_I0,
- ®isters[REGISTER_BYTE(I0_REGNUM)],
- 8 * REGISTER_RAW_SIZE (I0_REGNUM), 0);
- for (i = I0_REGNUM; i <= I7_REGNUM; i++)
- register_valid[i] = 1;
-
- target_xfer_memory (sp + FRAME_SAVED_L0,
- ®isters[REGISTER_BYTE(L0_REGNUM)],
- 8 * REGISTER_RAW_SIZE (L0_REGNUM), 0);
- for (i = L0_REGNUM; i <= L0_REGNUM + 7; i++)
- register_valid[i] = 1;
- }
-
- if (whatregs & WHATREGS_FLOAT)
- {
- struct fcontext fc; /* fp regs */
- int retval;
- int i;
-
- errno = 0;
- retval = ptrace (PTRACE_GETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) &fc,
- 0);
- if (errno)
- perror_with_name ("ptrace(PTRACE_GETFPREGS)");
-
- memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], fc.f.fregs,
- 32 * REGISTER_RAW_SIZE (FP0_REGNUM));
- for (i = FP0_REGNUM; i <= FP0_REGNUM + 31; i++)
- register_valid[i] = 1;
-
- supply_register (FPS_REGNUM, (char *)&fc.fsr);
- }
- }
-
- /* This routine handles storing of the I & L regs for the Sparc. The trick
- here is that they actually live on the stack. The really tricky part is
- that when changing the stack pointer, the I & L regs must be written to
- where the new SP points, otherwise the regs will be incorrect when the
- process is started up again. We assume that the I & L regs are valid at
- this point. */
-
- void
- store_inferior_registers (regno)
- int regno;
- {
- int whatregs = 0;
-
- if (regno == -1)
- whatregs = WHATREGS_FLOAT | WHATREGS_GEN | WHATREGS_STACK;
- else if (regno >= L0_REGNUM && regno <= I7_REGNUM)
- whatregs = WHATREGS_STACK;
- else if (regno >= FP0_REGNUM && regno < FP0_REGNUM + 32)
- whatregs = WHATREGS_FLOAT;
- else if (regno == SP_REGNUM)
- whatregs = WHATREGS_STACK | WHATREGS_GEN;
- else
- whatregs = WHATREGS_GEN;
-
- if (whatregs & WHATREGS_GEN)
- {
- struct econtext ec; /* general regs */
- int retval;
-
- ec.tbr = read_register (TBR_REGNUM);
- memcpy (&ec.g1, ®isters[REGISTER_BYTE (G1_REGNUM)],
- 4 * REGISTER_RAW_SIZE (G1_REGNUM));
-
- ec.psr = read_register (PS_REGNUM);
- ec.y = read_register (Y_REGNUM);
- ec.pc = read_register (PC_REGNUM);
- ec.npc = read_register (NPC_REGNUM);
- ec.wim = read_register (WIM_REGNUM);
-
- memcpy (ec.o, ®isters[REGISTER_BYTE (O0_REGNUM)],
- 8 * REGISTER_RAW_SIZE (O0_REGNUM));
-
- errno = 0;
- retval = ptrace (PTRACE_SETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &ec,
- 0);
- if (errno)
- perror_with_name ("ptrace(PTRACE_SETREGS)");
- }
-
- if (whatregs & WHATREGS_STACK)
- {
- int regoffset;
- CORE_ADDR sp;
-
- sp = read_register (SP_REGNUM);
-
- if (regno == -1 || regno == SP_REGNUM)
- {
- if (!register_valid[L0_REGNUM+5])
- abort();
- target_xfer_memory (sp + FRAME_SAVED_I0,
- ®isters[REGISTER_BYTE (I0_REGNUM)],
- 8 * REGISTER_RAW_SIZE (I0_REGNUM), 1);
-
- target_xfer_memory (sp + FRAME_SAVED_L0,
- ®isters[REGISTER_BYTE (L0_REGNUM)],
- 8 * REGISTER_RAW_SIZE (L0_REGNUM), 1);
- }
- else if (regno >= L0_REGNUM && regno <= I7_REGNUM)
- {
- if (!register_valid[regno])
- abort();
- if (regno >= L0_REGNUM && regno <= L0_REGNUM + 7)
- regoffset = REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM)
- + FRAME_SAVED_L0;
- else
- regoffset = REGISTER_BYTE (regno) - REGISTER_BYTE (I0_REGNUM)
- + FRAME_SAVED_I0;
- target_xfer_memory (sp + regoffset, ®isters[REGISTER_BYTE (regno)],
- REGISTER_RAW_SIZE (regno), 1);
- }
- }
-
- if (whatregs & WHATREGS_FLOAT)
- {
- struct fcontext fc; /* fp regs */
- int retval;
-
- /* We read fcontext first so that we can get good values for fq_t... */
- errno = 0;
- retval = ptrace (PTRACE_GETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) &fc,
- 0);
- if (errno)
- perror_with_name ("ptrace(PTRACE_GETFPREGS)");
-
- memcpy (fc.f.fregs, ®isters[REGISTER_BYTE (FP0_REGNUM)],
- 32 * REGISTER_RAW_SIZE (FP0_REGNUM));
-
- fc.fsr = read_register (FPS_REGNUM);
-
- errno = 0;
- retval = ptrace (PTRACE_SETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) &fc,
- 0);
- if (errno)
- perror_with_name ("ptrace(PTRACE_SETFPREGS)");
- }
- }
- #endif /* SPARC */
-
- #if defined (I386) || defined (M68K) || defined (rs6000)
-
- /* Return the offset relative to the start of the per-thread data to the
- saved context block. */
-
- static unsigned long
- registers_addr(pid)
- int pid;
- {
- CORE_ADDR stblock;
- int ecpoff = offsetof(st_t, ecp);
- CORE_ADDR ecp;
-
- errno = 0;
- stblock = (CORE_ADDR) ptrace (PTRACE_THREADUSER, pid, (PTRACE_ARG3_TYPE)0,
- 0);
- if (errno)
- perror_with_name ("ptrace(PTRACE_THREADUSER)");
-
- ecp = (CORE_ADDR) ptrace (PTRACE_PEEKTHREAD, pid, (PTRACE_ARG3_TYPE)ecpoff,
- 0);
- if (errno)
- perror_with_name ("ptrace(PTRACE_PEEKTHREAD)");
-
- return ecp - stblock;
- }
-
- /* Fetch one or more registers from the inferior. REGNO == -1 to get
- them all. We actually fetch more than requested, when convenient,
- marking them as valid so we won't fetch them again. */
-
- void
- fetch_inferior_registers (regno)
- int regno;
- {
- int reglo, reghi;
- int i;
- unsigned long ecp;
-
- if (regno == -1)
- {
- reglo = 0;
- reghi = NUM_REGS - 1;
- }
- else
- reglo = reghi = regno;
-
- ecp = registers_addr (inferior_pid);
-
- for (regno = reglo; regno <= reghi; regno++)
- {
- char buf[MAX_REGISTER_RAW_SIZE];
- int ptrace_fun = PTRACE_PEEKTHREAD;
-
- #ifdef M68K
- ptrace_fun = regno == SP_REGNUM ? PTRACE_PEEKUSP : PTRACE_PEEKTHREAD;
- #endif
-
- for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
- {
- unsigned int reg;
-
- errno = 0;
- reg = ptrace (ptrace_fun, inferior_pid,
- (PTRACE_ARG3_TYPE) (ecp + regmap[regno] + i), 0);
- if (errno)
- perror_with_name ("ptrace(PTRACE_PEEKUSP)");
-
- *(int *)&buf[i] = reg;
- }
- supply_register (regno, buf);
- }
- }
-
- /* Store our register values back into the inferior.
- If REGNO is -1, do this for all registers.
- Otherwise, REGNO specifies which register (so we can save time). */
-
- /* Registers we shouldn't try to store. */
- #if !defined (CANNOT_STORE_REGISTER)
- #define CANNOT_STORE_REGISTER(regno) 0
- #endif
-
- void
- store_inferior_registers (regno)
- int regno;
- {
- int reglo, reghi;
- int i;
- unsigned long ecp;
-
- if (regno == -1)
- {
- reglo = 0;
- reghi = NUM_REGS - 1;
- }
- else
- reglo = reghi = regno;
-
- ecp = registers_addr (inferior_pid);
-
- for (regno = reglo; regno <= reghi; regno++)
- {
- int ptrace_fun = PTRACE_POKEUSER;
-
- if (CANNOT_STORE_REGISTER (regno))
- continue;
-
- #ifdef M68K
- ptrace_fun = regno == SP_REGNUM ? PTRACE_POKEUSP : PTRACE_POKEUSER;
- #endif
-
- for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
- {
- unsigned int reg;
-
- reg = *(unsigned int *)®isters[REGISTER_BYTE (regno) + i];
-
- errno = 0;
- ptrace (ptrace_fun, inferior_pid,
- (PTRACE_ARG3_TYPE) (ecp + regmap[regno] + i), reg);
- if (errno)
- perror_with_name ("ptrace(PTRACE_POKEUSP)");
- }
- }
- }
- #endif /* defined (I386) || defined (M68K) || defined (rs6000) */
-
- /* Wait for child to do something. Return pid of child, or -1 in case
- of error; store status through argument pointer OURSTATUS. */
-
- int
- child_wait (pid, ourstatus)
- int pid;
- struct target_waitstatus *ourstatus;
- {
- int save_errno;
- int thread;
- union wait status;
-
- while (1)
- {
- int sig;
-
- set_sigint_trap(); /* Causes SIGINT to be passed on to the
- attached process. */
- pid = wait (&status);
-
- save_errno = errno;
-
- clear_sigint_trap();
-
- if (pid == -1)
- {
- if (save_errno == EINTR)
- continue;
- fprintf_unfiltered (gdb_stderr, "Child process unexpectedly missing: %s.\n",
- safe_strerror (save_errno));
- /* Claim it exited with unknown signal. */
- ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
- ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
- return -1;
- }
-
- if (pid != PIDGET (inferior_pid)) /* Some other process?!? */
- continue;
-
- thread = status.w_tid; /* Get thread id from status */
-
- /* Initial thread value can only be acquired via wait, so we have to
- resort to this hack. */
-
- if (TIDGET (inferior_pid) == 0)
- {
- inferior_pid = BUILDPID (inferior_pid, thread);
- add_thread (inferior_pid);
- }
-
- pid = BUILDPID (pid, thread);
-
- if (WIFSTOPPED(status)
- && WSTOPSIG(status) == SIGTRAP
- && !in_thread_list (pid))
- {
- int realsig;
-
- realsig = ptrace (PTRACE_GETTRACESIG, pid, (PTRACE_ARG3_TYPE)0, 0);
-
- if (realsig == SIGNEWTHREAD)
- {
- /* Simply ignore new thread notification, as we can't do anything
- useful with such threads. All ptrace calls at this point just
- fail for no apparent reason. The thread will eventually get a
- real signal when it becomes real. */
- child_resume (pid, 0, TARGET_SIGNAL_0);
- continue;
- }
- }
-
- #ifdef SPARC
- /* SPARC Lynx uses an byte reversed wait status; we must use the
- host macros to access it. These lines just a copy of
- store_waitstatus. We can't use CHILD_SPECIAL_WAITSTATUS
- because target.c can't include the Lynx <sys/wait.h>. */
- if (WIFEXITED (status))
- {
- ourstatus->kind = TARGET_WAITKIND_EXITED;
- ourstatus->value.integer = WEXITSTATUS (status);
- }
- else if (!WIFSTOPPED (status))
- {
- ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
- ourstatus->value.sig =
- target_signal_from_host (WTERMSIG (status));
- }
- else
- {
- ourstatus->kind = TARGET_WAITKIND_STOPPED;
- ourstatus->value.sig =
- target_signal_from_host (WSTOPSIG (status));
- }
- #else
- store_waitstatus (ourstatus, status.w_status);
- #endif
-
- return pid;
- }
- }
-
- /* Resume execution of the inferior process.
- If STEP is nonzero, single-step it.
- If SIGNAL is nonzero, give it that signal. */
-
- void
- child_resume (pid, step, signal)
- int pid;
- int step;
- enum target_signal signal;
- {
- int func;
-
- errno = 0;
-
- if (pid == -1)
- {
- /* Resume all threads. */
-
- pid = inferior_pid;
- }
-
- func = step ? PTRACE_SINGLESTEP_ONE : PTRACE_CONT;
-
- /* An address of (PTRACE_ARG3_TYPE)1 tells ptrace to continue from where
- it was. (If GDB wanted it to start some other way, we have already
- written a new PC value to the child.)
-
- If this system does not support PT_STEP, a higher level function will
- have called single_step() to transmute the step request into a
- continue request (by setting breakpoints on all possible successor
- instructions), so we don't have to worry about that here. */
-
- ptrace (func, pid, (PTRACE_ARG3_TYPE) 1, target_signal_to_host (signal));
-
- if (errno)
- perror_with_name ("ptrace");
- }
-
- /* Convert a Lynx process ID to a string. Returns the string in a static
- buffer. */
-
- char *
- lynx_pid_to_str (pid)
- int pid;
- {
- static char buf[40];
-
- sprintf (buf, "process %d thread %d", PIDGET (pid), TIDGET (pid));
-
- return buf;
- }
-
- /* Extract the register values out of the core file and store
- them where `read_register' will find them.
-
- CORE_REG_SECT points to the register values themselves, read into memory.
- CORE_REG_SIZE is the size of that area.
- WHICH says which set of registers we are handling (0 = int, 2 = float
- on machines where they are discontiguous).
- REG_ADDR is the offset from u.u_ar0 to the register values relative to
- core_reg_sect. This is used with old-fashioned core files to
- locate the registers in a large upage-plus-stack ".reg" section.
- Original upage address X is at location core_reg_sect+x+reg_addr.
- */
-
- void
- fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which;
- unsigned reg_addr;
- {
- struct st_entry s;
- unsigned int regno;
-
- for (regno = 0; regno < NUM_REGS; regno++)
- if (regmap[regno] != -1)
- supply_register (regno, core_reg_sect + offsetof (st_t, ec)
- + regmap[regno]);
-
- #ifdef SPARC
- /* Fetching this register causes all of the I & L regs to be read from the
- stack and validated. */
-
- fetch_inferior_registers (I0_REGNUM);
- #endif
- }
-