/* Target-dependent code for GDB, the GNU debugger.
Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software
Foundation, Inc.
This file is part of GDB.
#include "frame-unwind.h"
#include "frame-base.h"
+#include "reggroups.h"
+
/* If the kernel has to deliver a signal, it pushes a sigcontext
structure on the stack and then calls the signal handler, passing
the address of the sigcontext in an argument register. Usually
offset = offsets->f0_offset;
for (i = tdep->ppc_fp0_regnum;
i < tdep->ppc_fp0_regnum + ppc_num_fprs;
- i++, offset += 4)
+ i++, offset += 8)
{
if (regnum == -1 || regnum == i)
ppc_supply_reg (regcache, i, fpregs, offset);
offset = offsets->f0_offset;
for (i = tdep->ppc_fp0_regnum;
i <= tdep->ppc_fp0_regnum + ppc_num_fprs;
- i++, offset += 4)
+ i++, offset += 8)
{
if (regnum == -1 || regnum == i)
- ppc_collect_reg (regcache, regnum, fpregs, offset);
+ ppc_collect_reg (regcache, i, fpregs, offset);
}
if (regnum == -1 || regnum == tdep->ppc_fpscr_regnum)
regcache_cooked_write (regcache,
tdep->ppc_fp0_regnum + 1 + f_argno,
- VALUE_CONTENTS (arg));
+ value_contents (arg));
++f_argno;
}
char word[MAX_REGISTER_SIZE];
memset (word, 0, reg_size);
memcpy (word,
- ((char *) VALUE_CONTENTS (arg)) + argbytes,
+ ((char *) value_contents (arg)) + argbytes,
(len - argbytes) > reg_size
? reg_size : len - argbytes);
regcache_cooked_write (regcache,
char word[MAX_REGISTER_SIZE];
memset (word, 0, reg_size);
- memcpy (word, VALUE_CONTENTS (arg), len);
+ memcpy (word, value_contents (arg), len);
regcache_cooked_write (regcache, tdep->ppc_gp0_regnum + 3 +ii, word);
}
++argno;
if (argbytes)
{
write_memory (sp + 24 + (ii * 4),
- ((char *) VALUE_CONTENTS (arg)) + argbytes,
+ ((char *) value_contents (arg)) + argbytes,
len - argbytes);
++argno;
ii += ((len - argbytes + 3) & -4) / 4;
regcache_cooked_write (regcache,
tdep->ppc_fp0_regnum + 1 + f_argno,
- VALUE_CONTENTS (arg));
+ value_contents (arg));
++f_argno;
}
write_memory (sp + 24 + (ii * 4),
- (char *) VALUE_CONTENTS (arg),
+ (char *) value_contents (arg),
len);
ii += ((len + 3) & -4) / 4;
}
}
static void
-rs6000_extract_return_value (struct type *valtype, char *regbuf, char *valbuf)
+rs6000_extract_return_value (struct type *valtype, bfd_byte *regbuf,
+ bfd_byte *valbuf)
{
int offset = 0;
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
back to where execution should continue.
GDB should silently step over @FIX code, just like AIX dbx does.
- Unfortunately, the linker uses the "b" instruction for the branches,
- meaning that the link register doesn't get set. Therefore, GDB's usual
- step_over_function() mechanism won't work.
+ Unfortunately, the linker uses the "b" instruction for the
+ branches, meaning that the link register doesn't get set.
+ Therefore, GDB's usual step_over_function () mechanism won't work.
- Instead, use the IN_SOLIB_RETURN_TRAMPOLINE and SKIP_TRAMPOLINE_CODE hooks
- in handle_inferior_event() to skip past @FIX code. */
+ Instead, use the IN_SOLIB_RETURN_TRAMPOLINE and
+ SKIP_TRAMPOLINE_CODE hooks in handle_inferior_event() to skip past
+ @FIX code. */
int
rs6000_in_solib_return_trampoline (CORE_ADDR pc, char *name)
/* Check for bigtoc fixup code. */
msymbol = lookup_minimal_symbol_by_pc (pc);
- if (msymbol && rs6000_in_solib_return_trampoline (pc, DEPRECATED_SYMBOL_NAME (msymbol)))
+ if (msymbol
+ && rs6000_in_solib_return_trampoline (pc,
+ DEPRECATED_SYMBOL_NAME (msymbol)))
{
/* Double-check that the third instruction from PC is relative "b". */
op = read_memory_integer (pc + 8, 4);
return builtin_type_vec128;
break;
default:
- internal_error (__FILE__, __LINE__, "Register %d size %d unknown",
+ internal_error (__FILE__, __LINE__, _("Register %d size %d unknown"),
n, size);
}
}
}
+/* Is REGNUM a member of REGGROUP? */
+static int
+rs6000_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
+ struct reggroup *group)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ int float_p;
+ int vector_p;
+ int general_p;
+
+ if (REGISTER_NAME (regnum) == NULL
+ || *REGISTER_NAME (regnum) == '\0')
+ return 0;
+ if (group == all_reggroup)
+ return 1;
+
+ float_p = (regnum == tdep->ppc_fpscr_regnum
+ || (regnum >= tdep->ppc_fp0_regnum
+ && regnum < tdep->ppc_fp0_regnum + 32));
+ if (group == float_reggroup)
+ return float_p;
+
+ vector_p = ((regnum >= tdep->ppc_vr0_regnum
+ && regnum < tdep->ppc_vr0_regnum + 32)
+ || (regnum >= tdep->ppc_ev0_regnum
+ && regnum < tdep->ppc_ev0_regnum + 32)
+ || regnum == tdep->ppc_vrsave_regnum
+ || regnum == tdep->ppc_acc_regnum
+ || regnum == tdep->ppc_spefscr_regnum);
+ if (group == vector_reggroup)
+ return vector_p;
+
+ /* Note that PS aka MSR isn't included - it's a system register (and
+ besides, due to GCC's CFI foobar you do not want to restore
+ it). */
+ general_p = ((regnum >= tdep->ppc_gp0_regnum
+ && regnum < tdep->ppc_gp0_regnum + 32)
+ || regnum == tdep->ppc_toc_regnum
+ || regnum == tdep->ppc_cr_regnum
+ || regnum == tdep->ppc_lr_regnum
+ || regnum == tdep->ppc_ctr_regnum
+ || regnum == tdep->ppc_xer_regnum
+ || regnum == PC_REGNUM);
+ if (group == general_reggroup)
+ return general_p;
+
+ if (group == save_reggroup || group == restore_reggroup)
+ return general_p || vector_p || float_p;
+
+ return 0;
+}
+
/* The register format for RS/6000 floating point registers is always
double, we need a conversion if the memory format is float. */
e500_move_ev_register (regcache_raw_read, regcache, reg_nr, buffer);
else
internal_error (__FILE__, __LINE__,
- "e500_pseudo_register_read: "
- "called on unexpected register '%s' (%d)",
+ _("e500_pseudo_register_read: "
+ "called on unexpected register '%s' (%d)"),
gdbarch_register_name (gdbarch, reg_nr), reg_nr);
}
regcache, reg_nr, (void *) buffer);
else
internal_error (__FILE__, __LINE__,
- "e500_pseudo_register_read: "
- "called on unexpected register '%s' (%d)",
+ _("e500_pseudo_register_read: "
+ "called on unexpected register '%s' (%d)"),
gdbarch_register_name (gdbarch, reg_nr), reg_nr);
}
regnum = tdep->ppc_vr0_regnum + 2;
else
internal_error (__FILE__, __LINE__,
- "rs6000_store_return_value: "
- "unexpected array return type");
+ _("rs6000_store_return_value: "
+ "unexpected array return type"));
}
else
/* Everything else is returned in GPR3 and up. */
}
else
internal_error (__FILE__, __LINE__,
- "rs6000_gdbarch_init: "
- "received unexpected BFD 'arch' value");
+ _("rs6000_gdbarch_init: "
+ "received unexpected BFD 'arch' value"));
/* Sanity check on registers. */
gdb_assert (strcmp (tdep->regs[tdep->ppc_gp0_regnum].name, "r0") == 0);
set_gdbarch_num_pseudo_regs (gdbarch, v->npregs);
set_gdbarch_register_name (gdbarch, rs6000_register_name);
set_gdbarch_register_type (gdbarch, rs6000_register_type);
+ set_gdbarch_register_reggroup_p (gdbarch, rs6000_register_reggroup_p);
set_gdbarch_ptr_bit (gdbarch, wordsize * TARGET_CHAR_BIT);
set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
/* Add root prefix command for "info powerpc" commands */
add_prefix_cmd ("powerpc", class_info, rs6000_info_powerpc_command,
- "Various POWERPC info specific commands.",
+ _("Various POWERPC info specific commands."),
&info_powerpc_cmdlist, "info powerpc ", 0, &infolist);
}
projects / deliverable / binutils-gdb.git / blobdiff