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More changes, mostly from IBM, for the rs6000. See ChangeLog.

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This commit is contained in:
Per Bothner
1992-03-01 01:04:13 +00:00
parent 1651b22d76
commit 2b5a8d9c47
7 changed files with 144 additions and 38 deletions
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48
gdb/rs6000-xdep.c
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@@ -60,30 +60,58 @@ static int special_regs[] = {
/* Nonzero if we just simulated a single step break. */
extern int one_stepped;
extern char register_valid[];
void
fetch_inferior_registers (regno)
int regno;
int regno;
{
int ii;
extern char registers[];
/* read 32 general purpose registers. */
if (regno < 0) { /* for all registers */
for (ii=0; ii < 32; ++ii)
*(int*)&registers[REGISTER_BYTE (ii)] =
/* read 32 general purpose registers. */
for (ii=0; ii < 32; ++ii)
*(int*)&registers[REGISTER_BYTE (ii)] =
ptrace (PT_READ_GPR, inferior_pid, ii, 0, 0);
/* read general purpose floating point registers. */
/* read general purpose floating point registers. */
for (ii=0; ii < 32; ++ii)
ptrace (PT_READ_FPR, inferior_pid,
for (ii=0; ii < 32; ++ii)
ptrace (PT_READ_FPR, inferior_pid,
(int*)&registers [REGISTER_BYTE (FP0_REGNUM+ii)], FPR0+ii, 0);
/* read special registers. */
for (ii=0; ii <= LAST_SP_REGNUM-FIRST_SP_REGNUM; ++ii)
*(int*)&registers[REGISTER_BYTE (FIRST_SP_REGNUM+ii)] =
/* read special registers. */
for (ii=0; ii <= LAST_SP_REGNUM-FIRST_SP_REGNUM; ++ii)
*(int*)&registers[REGISTER_BYTE (FIRST_SP_REGNUM+ii)] =
ptrace (PT_READ_GPR, inferior_pid, special_regs[ii], 0, 0);
registers_fetched ();
return;
}
/* else an individual register is addressed. */
else if (regno < FP0_REGNUM) { /* a GPR */
*(int*)&registers[REGISTER_BYTE (regno)] =
ptrace (PT_READ_GPR, inferior_pid, regno, 0, 0);
}
else if (regno <= FPLAST_REGNUM) { /* a FPR */
ptrace (PT_READ_FPR, inferior_pid,
(int*)&registers [REGISTER_BYTE (regno)], (regno-FP0_REGNUM+FPR0), 0);
}
else if (regno <= LAST_SP_REGNUM) { /* a special register */
*(int*)&registers[REGISTER_BYTE (regno)] =
ptrace (PT_READ_GPR, inferior_pid,
special_regs[regno-FIRST_SP_REGNUM], 0, 0);
}
else
fprintf (stderr, "gdb error: register no %d not implemented.\n", regno);
register_valid [regno] = 1;
}
/* Store our register values back into the inferior.