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2004-08-02 Andrew Cagney <cagney@gnu.org>

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* cris-tdep.c (cris_register_size): Restore function, still used
	locally.
This commit is contained in:
Andrew Cagney 2004-08-03 03:58:49 +00:00
parent 331ae7edef
commit 1d94326ff6
2 changed files with 42 additions and 0 deletions
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3
gdb/ChangeLog
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@ -1,5 +1,8 @@
2004-08-02 Andrew Cagney <cagney@gnu.org>
* cris-tdep.c (cris_register_size): Restore function, still used
locally.
* gdbarch.sh (deprecated_target_read_fp)
(deprecated_frame_locals_address, deprecated_frame_args_address)
(deprecated_frame_chain_valid, deprecated_frame_chain)

39
gdb/cris-tdep.c
View File

@ -1096,6 +1096,45 @@ cris_spec_reg_applicable (struct cris_spec_reg spec_reg)
}
}
/* Returns the register size in unit byte. Returns 0 for an unimplemented
register, -1 for an invalid register. */
static int
cris_register_size (int regno)
{
int i;
int spec_regno;
if (regno >= 0 && regno < NUM_GENREGS)
{
/* General registers (R0 - R15) are 32 bits. */
return 4;
}
else if (regno >= NUM_GENREGS && regno < NUM_REGS)
{
/* Special register (R16 - R31). cris_spec_regs is zero-based.
Adjust regno accordingly. */
spec_regno = regno - NUM_GENREGS;
/* The entries in cris_spec_regs are stored in register number order,
which means we can shortcut into the array when searching it. */
for (i = spec_regno; cris_spec_regs[i].name != NULL; i++)
{
if (cris_spec_regs[i].number == spec_regno
&& cris_spec_reg_applicable (cris_spec_regs[i]))
/* Go with the first applicable register. */
return cris_spec_regs[i].reg_size;
}
/* Special register not applicable to this CRIS version. */
return 0;
}
else
{
/* Invalid register. */
return -1;
}
}
/* Nonzero if regno should not be fetched from the target. This is the case
for unimplemented (size 0) and non-existant registers. */