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Diffstat (limited to 'gdb/gdbserver/low-lynx.c')
-rw-r--r--gdb/gdbserver/low-lynx.c345
1 files changed, 173 insertions, 172 deletions
diff --git a/gdb/gdbserver/low-lynx.c b/gdb/gdbserver/low-lynx.c
index 3444f7a116e..ecc331811c9 100644
--- a/gdb/gdbserver/low-lynx.c
+++ b/gdb/gdbserver/low-lynx.c
@@ -1,21 +1,22 @@
/* Low level interface to ptrace, for the remote server for GDB.
Copyright (C) 1986, 1987, 1993 Free Software Foundation, Inc.
-This file is part of GDB.
+ 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 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.
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include "server.h"
#include "frame.h"
@@ -66,18 +67,18 @@ create_inferior (program, allargs)
int pgrp;
/* Switch child to it's own process group so that signals won't
- directly affect gdbserver. */
+ directly affect gdbserver. */
- pgrp = getpid();
- setpgrp(0, pgrp);
+ pgrp = getpid ();
+ setpgrp (0, pgrp);
ioctl (0, TIOCSPGRP, &pgrp);
- ptrace (PTRACE_TRACEME, 0, (PTRACE_ARG3_TYPE)0, 0);
+ ptrace (PTRACE_TRACEME, 0, (PTRACE_ARG3_TYPE) 0, 0);
execv (program, allargs);
fprintf (stderr, "GDBserver (process %d): Cannot exec %s: %s.\n",
- getpid(), program,
+ getpid (), program,
errno < sys_nerr ? sys_errlist[errno] : "unknown error");
fflush (stderr);
_exit (0177);
@@ -128,34 +129,34 @@ mywait (status)
while (1)
{
- enable_async_io();
+ enable_async_io ();
pid = wait (&w);
- disable_async_io();
+ disable_async_io ();
- if (pid != PIDGET(inferior_pid))
+ if (pid != PIDGET (inferior_pid))
perror_with_name ("wait");
thread_from_wait = w.w_tid;
inferior_pid = BUILDPID (inferior_pid, w.w_tid);
- if (WIFSTOPPED(w)
- && WSTOPSIG(w) == SIGTRAP)
+ if (WIFSTOPPED (w)
+ && WSTOPSIG (w) == SIGTRAP)
{
int realsig;
realsig = ptrace (PTRACE_GETTRACESIG, inferior_pid,
- (PTRACE_ARG3_TYPE)0, 0);
+ (PTRACE_ARG3_TYPE) 0, 0);
if (realsig == SIGNEWTHREAD)
{
/* It's a new thread notification. Nothing to do here since
- the machine independent code in wait_for_inferior will
- add the thread to the thread list and restart the thread
- when pid != inferior_pid and pid is not in the thread list.
- We don't even want to muck with realsig -- the code in
- wait_for_inferior expects SIGTRAP. */
+ the machine independent code in wait_for_inferior will
+ add the thread to the thread list and restart the thread
+ when pid != inferior_pid and pid is not in the thread list.
+ We don't even want to muck with realsig -- the code in
+ wait_for_inferior expects SIGTRAP. */
;
}
}
@@ -209,22 +210,22 @@ myresume (step, signal)
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
+ 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
@@ -234,39 +235,39 @@ static int regmap[] =
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 */
+ 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 */
0, /* 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 */
+ 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
@@ -278,67 +279,67 @@ static int regmap[] =
static int regmap[] =
{
-1, /* g0 */
- X(g1),
- X(g2),
- X(g3),
- X(g4),
+ 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 */
+ 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
@@ -371,7 +372,7 @@ fetch_inferior_registers (regno)
if (whatregs & WHATREGS_GEN)
{
- struct econtext ec; /* general regs */
+ struct econtext ec; /* general regs */
char buf[MAX_REGISTER_RAW_SIZE];
int retval;
int i;
@@ -379,25 +380,25 @@ fetch_inferior_registers (regno)
errno = 0;
retval = ptrace (PTRACE_GETREGS,
BUILDPID (inferior_pid, general_thread),
- (PTRACE_ARG3_TYPE) &ec,
+ (PTRACE_ARG3_TYPE) & ec,
0);
if (errno)
perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
-
+
memset (buf, 0, REGISTER_RAW_SIZE (G0_REGNUM));
supply_register (G0_REGNUM, buf);
- supply_register (TBR_REGNUM, (char *)&ec.tbr);
+ supply_register (TBR_REGNUM, (char *) &ec.tbr);
memcpy (&registers[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);
+ 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 (&registers[REGISTER_BYTE (O0_REGNUM)], ec.o,
8 * REGISTER_RAW_SIZE (O0_REGNUM));
@@ -413,13 +414,13 @@ fetch_inferior_registers (regno)
sp = read_register (SP_REGNUM);
target_xfer_memory (sp + FRAME_SAVED_I0,
- &registers[REGISTER_BYTE(I0_REGNUM)],
+ &registers[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,
- &registers[REGISTER_BYTE(L0_REGNUM)],
+ &registers[REGISTER_BYTE (L0_REGNUM)],
8 * REGISTER_RAW_SIZE (L0_REGNUM), 0);
for (i = L0_REGNUM; i <= L0_REGNUM + 7; i++)
register_valid[i] = 1;
@@ -427,22 +428,22 @@ fetch_inferior_registers (regno)
if (whatregs & WHATREGS_FLOAT)
{
- struct fcontext fc; /* fp regs */
+ struct fcontext fc; /* fp regs */
int retval;
int i;
errno = 0;
- retval = ptrace (PTRACE_GETFPREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) &fc,
+ retval = ptrace (PTRACE_GETFPREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) & fc,
0);
if (errno)
perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
-
+
memcpy (&registers[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);
+ supply_register (FPS_REGNUM, (char *) &fc.fsr);
}
#endif
}
@@ -474,7 +475,7 @@ store_inferior_registers (regno)
if (whatregs & WHATREGS_GEN)
{
- struct econtext ec; /* general regs */
+ struct econtext ec; /* general regs */
int retval;
ec.tbr = read_register (TBR_REGNUM);
@@ -491,7 +492,7 @@ store_inferior_registers (regno)
8 * REGISTER_RAW_SIZE (O0_REGNUM));
errno = 0;
- retval = ptrace (PTRACE_SETREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) &ec,
+ retval = ptrace (PTRACE_SETREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) & ec,
0);
if (errno)
perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
@@ -506,8 +507,8 @@ store_inferior_registers (regno)
if (regno == -1 || regno == SP_REGNUM)
{
- if (!register_valid[L0_REGNUM+5])
- abort();
+ if (!register_valid[L0_REGNUM + 5])
+ abort ();
target_xfer_memory (sp + FRAME_SAVED_I0,
&registers[REGISTER_BYTE (I0_REGNUM)],
8 * REGISTER_RAW_SIZE (I0_REGNUM), 1);
@@ -519,7 +520,7 @@ store_inferior_registers (regno)
else if (regno >= L0_REGNUM && regno <= I7_REGNUM)
{
if (!register_valid[regno])
- abort();
+ abort ();
if (regno >= L0_REGNUM && regno <= L0_REGNUM + 7)
regoffset = REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM)
+ FRAME_SAVED_L0;
@@ -533,27 +534,27 @@ store_inferior_registers (regno)
if (whatregs & WHATREGS_FLOAT)
{
- struct fcontext fc; /* fp regs */
+ 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, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) &fc,
+ retval = ptrace (PTRACE_GETFPREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) & fc,
0);
if (errno)
perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
-
+
memcpy (fc.f.fregs, &registers[REGISTER_BYTE (FP0_REGNUM)],
32 * REGISTER_RAW_SIZE (FP0_REGNUM));
fc.fsr = read_register (FPS_REGNUM);
errno = 0;
- retval = ptrace (PTRACE_SETFPREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) &fc,
+ retval = ptrace (PTRACE_SETFPREGS, BUILDPID (inferior_pid, general_thread), (PTRACE_ARG3_TYPE) & fc,
0);
if (errno)
perror_with_name ("Sparc fetch_inferior_registers(ptrace)");
- }
+ }
#endif
}
#endif /* SPARC */
@@ -564,20 +565,20 @@ store_inferior_registers (regno)
saved context block. */
static unsigned long
-lynx_registers_addr()
+lynx_registers_addr ()
{
CORE_ADDR stblock;
- int ecpoff = offsetof(st_t, ecp);
+ int ecpoff = offsetof (st_t, ecp);
CORE_ADDR ecp;
errno = 0;
stblock = (CORE_ADDR) ptrace (PTRACE_THREADUSER, BUILDPID (inferior_pid, general_thread),
- (PTRACE_ARG3_TYPE)0, 0);
+ (PTRACE_ARG3_TYPE) 0, 0);
if (errno)
perror_with_name ("PTRACE_THREADUSER");
ecp = (CORE_ADDR) ptrace (PTRACE_PEEKTHREAD, BUILDPID (inferior_pid, general_thread),
- (PTRACE_ARG3_TYPE)ecpoff, 0);
+ (PTRACE_ARG3_TYPE) ecpoff, 0);
if (errno)
perror_with_name ("lynx_registers_addr(PTRACE_PEEKTHREAD)");
@@ -596,7 +597,7 @@ fetch_inferior_registers (ignored)
unsigned long reg;
unsigned long ecp;
- ecp = lynx_registers_addr();
+ ecp = lynx_registers_addr ();
for (regno = 0; regno < NUM_REGS; regno++)
{
@@ -611,8 +612,8 @@ fetch_inferior_registers (ignored)
(PTRACE_ARG3_TYPE) (ecp + regmap[regno]), 0);
if (errno)
perror_with_name ("fetch_inferior_registers(PTRACE_PEEKTHREAD)");
-
- *(unsigned long *)&registers[REGISTER_BYTE (regno)] = reg;
+
+ *(unsigned long *) &registers[REGISTER_BYTE (regno)] = reg;
}
}
@@ -628,7 +629,7 @@ store_inferior_registers (ignored)
unsigned long reg;
unsigned long ecp;
- ecp = lynx_registers_addr();
+ ecp = lynx_registers_addr ();
for (regno = 0; regno < NUM_REGS; regno++)
{
@@ -638,7 +639,7 @@ store_inferior_registers (ignored)
ptrace_fun = regno == SP_REGNUM ? PTRACE_POKEUSP : PTRACE_POKEUSER;
#endif
- reg = *(unsigned long *)&registers[REGISTER_BYTE (regno)];
+ reg = *(unsigned long *) &registers[REGISTER_BYTE (regno)];
errno = 0;
ptrace (ptrace_fun, BUILDPID (inferior_pid, general_thread),
@@ -730,12 +731,12 @@ write_inferior_memory (memaddr, myaddr, len)
ptrace (PTRACE_POKETEXT, BUILDPID (inferior_pid, general_thread), addr, buffer[i]);
if (errno)
{
- fprintf(stderr, "\
+ fprintf (stderr, "\
ptrace (PTRACE_POKETEXT): errno=%d, pid=0x%x, addr=0x%x, buffer[i] = 0x%x\n",
- errno, BUILDPID (inferior_pid, general_thread),
- addr, buffer[i]);
- fprintf(stderr, "Sleeping for 1 second\n");
- sleep(1);
+ errno, BUILDPID (inferior_pid, general_thread),
+ addr, buffer[i]);
+ fprintf (stderr, "Sleeping for 1 second\n");
+ sleep (1);
}
else
break;
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